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Dry SM. Dedifferentiation in bone and soft tissue sarcomas: How do we define it? What is prognostically relevant? Hum Pathol 2024:S0046-8177(24)00015-7. [PMID: 38311185 DOI: 10.1016/j.humpath.2024.02.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 01/30/2024] [Accepted: 02/01/2024] [Indexed: 02/10/2024]
Abstract
Dedifferentiation traditionally is defined by descriptive criteria as a tumor showing an abrupt change in histology from a conventional, classic, low-grade appearing neoplasm to a tumor that is more cellular, pleomorphic and "high grade", with grading typically being performed by subjective criteria. The dedifferentiated areas range from areas with recognizable histologic differentiation which differs from the primary tumor (such as an osteosarcoma arising from a low-grade chondrosarcoma) to areas containing sarcomas without specific histologic differentiation (such as pleomorphic or spindle cell sarcoma). Many, but not all, dedifferentiated tumors are aggressive and associated with significantly shorter survival than their conventional counterparts, even grade 3 conventional tumors. As a result, dedifferentiated tumors are generally considered to be clinically aggressive and as a result, more aggressive surgery or the addition of (neo)adjuvant chemotherapy is often considered. However, long-term (greater than 20 year) survivors are reported in the most common dedifferentiated bone and soft tissue sarcomas. Moreover, use of mitotic criterion for defining dedifferentiation in dedifferentiated liposarcoma as well as grading (by the French system) have been found to be associated with survival. This paper reviews the literature on dedifferentiated chondrosarcoma, dedifferentiated liposarcoma, dedifferentiated chordoma and dedifferentiated parosteal osteosarcoma. As a result of that review, recommendations are advocated to identify evidence-based, objective diagnostic and grading criteria for dedifferentiation that are appropriate for each tumor type. Adding such criteria will improve consistency in diagnosis worldwide, allow easier comparison of clinical research performed on dedifferentiated tumors and help communicate (to patients and clinicians) the tumors with highest risk of clinically aggressive behavior, to allow appropriate and personalized treatment planning.
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Affiliation(s)
- Sarah M Dry
- Department of Pathology and Laboratory Medicine, UCLA David Geffen School of Medicine, 13-222 CHS, 10833 Le Conte Ave, Los Angeles, CA, 90095, USA.
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Klingbeil KD, Tang JP, Graham DS, Lofftus SY, Jaiswal AK, Lin TL, Frias C, Chen LY, Nakasaki M, Dry SM, Crompton JG, Eilber FC, Rao DS, Kalbasi A, Kadera BE. IGF2BP3 as a Prognostic Biomarker in Well-Differentiated/Dedifferentiated Liposarcoma. Cancers (Basel) 2023; 15:4489. [PMID: 37760460 PMCID: PMC10526143 DOI: 10.3390/cancers15184489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 08/30/2023] [Accepted: 09/07/2023] [Indexed: 09/29/2023] Open
Abstract
BACKGROUND Although IGF2BP3 has been implicated in tumorigenesis and poor outcomes in multiple cancers, its role in soft-tissue sarcoma (STS) remains unknown. Preliminary data have suggested an association with IGF2BP3 expression among patients with well-differentiated/dedifferentiated liposarcoma (WD/DD LPS), a disease where molecular risk stratification is lacking. METHODS We examined the survival associations of IGF2BP3 via univariate and multivariate Cox regression in three unique datasets: (1) the Cancer Genome Atlas (TCGA), (2) an in-house gene microarray, and (3) an in-house tissue microarray (TMA). A fourth dataset, representing an independent in-house TMA, was used for validation. RESULTS Within the TCGA dataset, IGF2BP3 expression was a poor prognostic factor uniquely in DD LPS (OS 1.6 vs. 5.0 years, p = 0.009). Within the microarray dataset, IGF2BP3 expression in WD/DD LPS was associated with worse survival (OS 7.7 vs. 21.5 years, p = 0.02). IGF2BP3 protein expression also portended worse survival in WD/DD LPS (OS 3.7 vs. 13.8 years, p < 0.001), which was confirmed in our validation cohort (OS 2.7 vs. 14.9 years, p < 0.001). In the multivariate model, IGF2BP3 was an independent risk factor for OS, (HR 2.55, p = 0.034). CONCLUSION IGF2BP3 is highly expressed in a subset of WD/DD LPS. Across independent datasets, IGF2BP3 is also a biomarker of disease progression and worse survival.
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Affiliation(s)
- Kyle D. Klingbeil
- Department of Surgery, Division of Surgical Oncology, University of California, Los Angeles David Geffen School of Medicine, Los Angeles, CA 90049, USA (C.F.)
- Jonsson Comprehensive Cancer Center, University of California, Los Angeles, Los Angeles, CA 90095, USA
- Molecular, Cellular, and Integrative Physiology Interdepartmental PhD Program, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Jack Pengfei Tang
- University of California, Los Angeles David Geffen School of Medicine, Los Angeles, CA 90095, USA
| | - Danielle S. Graham
- Department of Surgery, Division of Surgical Oncology, University of California, Los Angeles David Geffen School of Medicine, Los Angeles, CA 90049, USA (C.F.)
- Jonsson Comprehensive Cancer Center, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Serena Y. Lofftus
- Department of Surgery, Division of Surgical Oncology, University of California, Los Angeles David Geffen School of Medicine, Los Angeles, CA 90049, USA (C.F.)
| | - Amit Kumar Jaiswal
- Department of Pathology & Laboratory Medicine, University of California, Los Angeles David Geffen School of Medicine, Los Angeles, CA 90095, USA
| | - Tasha L. Lin
- Department of Medicine, Division of Hematology and Oncology, University of California, Los Angeles David Geffen School of Medicine, Los Angeles, CA 90095, USA
| | - Chris Frias
- Department of Surgery, Division of Surgical Oncology, University of California, Los Angeles David Geffen School of Medicine, Los Angeles, CA 90049, USA (C.F.)
| | - Lucia Y. Chen
- Department of Medicine, Statistics Core, University of California, Los Angeles David Geffen School of Medicine, Los Angeles, CA 90095, USA
| | - Manando Nakasaki
- Department of Pathology & Laboratory Medicine, University of California, Los Angeles David Geffen School of Medicine, Los Angeles, CA 90095, USA
| | - Sarah M. Dry
- Jonsson Comprehensive Cancer Center, University of California, Los Angeles, Los Angeles, CA 90095, USA
- Department of Pathology & Laboratory Medicine, University of California, Los Angeles David Geffen School of Medicine, Los Angeles, CA 90095, USA
| | - Joseph G. Crompton
- Department of Surgery, Division of Surgical Oncology, University of California, Los Angeles David Geffen School of Medicine, Los Angeles, CA 90049, USA (C.F.)
- Jonsson Comprehensive Cancer Center, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Fritz C. Eilber
- Department of Surgery, Division of Surgical Oncology, University of California, Los Angeles David Geffen School of Medicine, Los Angeles, CA 90049, USA (C.F.)
- Jonsson Comprehensive Cancer Center, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Dinesh S. Rao
- Jonsson Comprehensive Cancer Center, University of California, Los Angeles, Los Angeles, CA 90095, USA
- Department of Pathology & Laboratory Medicine, University of California, Los Angeles David Geffen School of Medicine, Los Angeles, CA 90095, USA
- Broad Stem Cell Research Center, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Anusha Kalbasi
- Department of Radiation Oncology, Stanford Cancer Institute, Stanford School of Medicine, Stanford, CA 94305, USA
| | - Brian E. Kadera
- Department of Surgery, Division of Surgical Oncology, University of California, Los Angeles David Geffen School of Medicine, Los Angeles, CA 90049, USA (C.F.)
- Jonsson Comprehensive Cancer Center, University of California, Los Angeles, Los Angeles, CA 90095, USA
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Crane JN, Graham DS, Mona CE, Nelson SD, Samiei A, Dawson DW, Dry SM, Masri MG, Crompton JG, Benz MR, Czernin J, Eilber FC, Graeber TG, Calais J, Federman NC. Fibroblast Activation Protein Expression in Sarcomas. Sarcoma 2023; 2023:2480493. [PMID: 37333052 PMCID: PMC10275689 DOI: 10.1155/2023/2480493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 05/03/2023] [Accepted: 05/23/2023] [Indexed: 06/20/2023] Open
Abstract
Objectives Fibroblast activation protein alpha (FAP) is highly expressed by cancer-associated fibroblasts in multiple epithelial cancers. The aim of this study was to characterize FAP expression in sarcomas to explore its potential utility as a diagnostic and therapeutic target and prognostic biomarker in sarcomas. Methods Available tissue samples from patients with bone or soft tissue tumors were identified at the University of California, Los Angeles. FAP expression was evaluated via immunohistochemistry (IHC) in tumor samples (n = 63), adjacent normal tissues (n = 30), and positive controls (n = 2) using semiquantitative systems for intensity (0 = negative; 1 = weak; 2 = moderate; and 3 = strong) and density (none, <25%, 25-75%; >75%) in stromal and tumor/nonstromal cells and using a qualitative overall score (not detected, low, medium, and high). Additionally, RNA sequencing data in publicly available databases were utilized to compare FAP expression in samples (n = 10,626) from various cancer types and evaluate the association between FAP expression and overall survival (OS) in sarcoma (n = 168). Results The majority of tumor samples had FAP IHC intensity scores ≥2 and density scores ≥25% for stromal cells (77.7%) and tumor cells (50.7%). All desmoid fibromatosis, myxofibrosarcoma, solitary fibrous tumor, and undifferentiated pleomorphic sarcoma samples had medium or high FAP overall scores. Sarcomas were among cancer types with the highest mean FAP expression by RNA sequencing. There was no significant difference in OS in patients with sarcoma with low versus high FAP expression. Conclusion The majority of the sarcoma samples showed FAP expression by both stromal and tumor/nonstromal cells. Further investigation of FAP as a potential diagnostic and therapeutic target in sarcomas is warranted.
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Affiliation(s)
- Jacquelyn N. Crane
- Department of Pediatrics, Division of Pediatric Hematology, Oncology, Stem Cell Transplantation & Regenerative Medicine, Stanford University School of Medicine, 1000 Welch Rd, Suite 300, Palo Alto, CA 94304, USA
| | - Danielle S. Graham
- University of California Los Angeles, Department of Surgery, Los Angeles, CA, USA
| | - Christine E. Mona
- University of California Los Angeles, Department of Molecular and Medical Pharmacology, Los Angeles, CA, USA
| | - Scott D. Nelson
- University of California Los Angeles, Department of Pathology and Laboratory Medicine, Los Angeles, CA, USA
- University of California Los Angeles, Jonsson Comprehensive Cancer Center, Los Angeles, CA, USA
| | - Alireza Samiei
- University of California Los Angeles, Department of Pathology and Laboratory Medicine, Los Angeles, CA, USA
| | - David W. Dawson
- University of California Los Angeles, Department of Pathology and Laboratory Medicine, Los Angeles, CA, USA
- University of California Los Angeles, Jonsson Comprehensive Cancer Center, Los Angeles, CA, USA
| | - Sarah M. Dry
- University of California Los Angeles, Department of Pathology and Laboratory Medicine, Los Angeles, CA, USA
- University of California Los Angeles, Jonsson Comprehensive Cancer Center, Los Angeles, CA, USA
| | - Marwan G. Masri
- University of California Los Angeles, Department of Molecular and Medical Pharmacology, Los Angeles, CA, USA
| | - Joseph G. Crompton
- University of California Los Angeles, Department of Surgery, Los Angeles, CA, USA
- University of California Los Angeles, Jonsson Comprehensive Cancer Center, Los Angeles, CA, USA
| | - Matthias R. Benz
- University of California Los Angeles, Department of Molecular and Medical Pharmacology, Los Angeles, CA, USA
- University of California Los Angeles, Jonsson Comprehensive Cancer Center, Los Angeles, CA, USA
| | - Johannes Czernin
- University of California Los Angeles, Department of Molecular and Medical Pharmacology, Los Angeles, CA, USA
- University of California Los Angeles, Jonsson Comprehensive Cancer Center, Los Angeles, CA, USA
| | - Fritz C. Eilber
- University of California Los Angeles, Department of Surgery, Los Angeles, CA, USA
- University of California Los Angeles, Department of Molecular and Medical Pharmacology, Los Angeles, CA, USA
- University of California Los Angeles, Jonsson Comprehensive Cancer Center, Los Angeles, CA, USA
| | - Thomas G. Graeber
- University of California Los Angeles, Department of Molecular and Medical Pharmacology, Los Angeles, CA, USA
- University of California Los Angeles, Jonsson Comprehensive Cancer Center, Los Angeles, CA, USA
| | - Jeremie Calais
- University of California Los Angeles, Department of Molecular and Medical Pharmacology, Los Angeles, CA, USA
| | - Noah C. Federman
- University of California Los Angeles, Jonsson Comprehensive Cancer Center, Los Angeles, CA, USA
- University of California Los Angeles, Department of Pediatrics, Los Angeles, CA, USA
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Graham DS, Qorbani A, Eckardt MA, Klingbeil KD, Chen LY, Chopra S, Eilber FC, Dry SM. Does "Low-Grade" Dedifferentiated Liposarcoma Exist? The Role of Mitotic Index in Separating Dedifferentiated Liposarcoma From Cellular Well-differentiated Liposarcoma. Am J Surg Pathol 2023; 47:649-660. [PMID: 37057834 DOI: 10.1097/pas.0000000000002037] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/15/2023]
Abstract
BACKGROUND Subjective, varying criteria identify "low-grade" dedifferentiation in well-differentiated/dedifferentiated liposarcoma (WD/DDLPS). The value of mitotic rate (MR) in defining DDLPS is not confirmed. We studied all patients with the resection of their primary or first recurrence retroperitoneal WD/DDLPS at our institution to determine the value of MR in diagnosing DDLPS and if MR associates with patient survival. DESIGN Ninety-eight patients with retroperitoneal WD/DDLPS operated at our institution from January 1, 1989 to December 31, 2013 were included. Cases were defined as acellular (AC) WDLPS, LS0-4 (tumors with non-lipogenic areas and MR 0-4/10HPFs) or LS5+(non-lipogenic areas, MR≥5/10 HPFs) and graded using the French system. Kaplan-Meier survival estimates with log-rank test and multivariate Cox (mCox) analyses were performed. RESULTS Follow-up was available on all patients (median 9.3 y, range 0.02-23.16 y). Kaplan-Meier demonstrated a significant ( P =0.004) difference in disease-specific survival (DSS) among the 3 groups. mCox demonstrated no difference in DSS between the AC and LS0-4 groups (HR 1.51; 95% CI 0.57-3.99, P =0.412) but significantly lower DSS in the LS5+group compared with the AC group (HR 2.68; 95% CI 1.07-6.71, P =0.035). The difference in DSS was not significant between grade 2 and 3 tumors ( P =0.094). DSS between MR 5-19/10 HPFs and MR20+/10 HPFs subgroups was significant ( P =0.007) but by mCox did not reach significance (HR 2.47; 95% CI 0.96-6.35, P =0.060). CONCLUSION This study confirms that MR distinguishes DDLPS from WDLPS with non-lipogenic areas, also known as cellular WDLPS. For consistency in diagnosis and research, only WD/DDLPS with≥5 mitoses/10 HPFs should be considered DDLPS.
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Affiliation(s)
| | - Amir Qorbani
- Department of Pathology
- Department of Pathology, University of California, San Francisco, San Francisco, CA
| | - Mark A Eckardt
- Division of Surgical Oncology, Department of Surgery
- Department of Surgery, Greater Los Angeles Veterans Health Administration
- Department of Surgery, Yale School of Medicine, New Haven, CT
| | | | - Lucia Y Chen
- Department of Medicine Statistics Core, David Geffen School of Medicine
| | - Shefali Chopra
- Department of Pathology, University of Southern California, Los Angeles
| | - Fritz C Eilber
- Division of Surgical Oncology, Department of Surgery
- Jonsson Comprehensive Cancer Center, University of California, Los Angeles
| | - Sarah M Dry
- Department of Pathology
- Jonsson Comprehensive Cancer Center, University of California, Los Angeles
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5
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Eckardt MA, Graham DS, Klingbeil KD, Lofftus SY, McCaw TR, Bailey MJ, Goldring CJ, Kendal JK, Kadera BE, Nelson SD, Dry SM, Kalbasi A, Singh AS, Chmielowski B, Eilber FR, Eilber FC, Crompton JG. ASO Visual Abstract: Lifelong Imaging Surveillance is Indicated for Patients with Primary Retroperitoneal Liposarcoma. Ann Surg Oncol 2023; 30:3104-3105. [PMID: 36690841 DOI: 10.1245/s10434-023-13127-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Mark A Eckardt
- Department of Surgery, Yale School of Medicine, New Haven, CT, USA
- UCLA Department of Surgery, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - Danielle S Graham
- UCLA Department of Surgery, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - Kyle D Klingbeil
- UCLA Department of Surgery, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - Serena Y Lofftus
- UCLA Department of Surgery, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - Tyler R McCaw
- UCLA Department of Surgery, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - Mark J Bailey
- UCLA Department of Surgery, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - Charles J Goldring
- UCLA Division of Surgical Oncology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - Joseph K Kendal
- UCLA Jonsson Comprehensive Cancer Center Sarcoma Oncology Program, Division of Surgical Oncology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - Brian E Kadera
- UCLA Division of Surgical Oncology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
- UCLA Jonsson Comprehensive Cancer Center Sarcoma Oncology Program, Division of Surgical Oncology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - Scott D Nelson
- UCLA Department of Pathology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
- UCLA Jonsson Comprehensive Cancer Center Sarcoma Oncology Program, Division of Surgical Oncology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - Sarah M Dry
- UCLA Department of Pathology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
- UCLA Jonsson Comprehensive Cancer Center Sarcoma Oncology Program, Division of Surgical Oncology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - Anusha Kalbasi
- UCLA Department of Radiation Oncology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
- UCLA Jonsson Comprehensive Cancer Center Sarcoma Oncology Program, Division of Surgical Oncology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - Arun S Singh
- UCLA Division of Hematology/Oncology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
- UCLA Jonsson Comprehensive Cancer Center Sarcoma Oncology Program, Division of Surgical Oncology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - Bartosz Chmielowski
- UCLA Division of Hematology/Oncology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
- UCLA Jonsson Comprehensive Cancer Center Sarcoma Oncology Program, Division of Surgical Oncology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - Frederick R Eilber
- UCLA Division of Surgical Oncology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
- UCLA Jonsson Comprehensive Cancer Center Sarcoma Oncology Program, Division of Surgical Oncology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - Fritz C Eilber
- UCLA Division of Surgical Oncology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA.
- UCLA Jonsson Comprehensive Cancer Center Sarcoma Oncology Program, Division of Surgical Oncology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA.
| | - Joseph G Crompton
- UCLA Division of Surgical Oncology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA.
- UCLA Jonsson Comprehensive Cancer Center Sarcoma Oncology Program, Division of Surgical Oncology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA.
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Eckardt MA, Graham DS, Klingbeil KD, Lofftus SY, McCaw TR, Bailey MJ, Goldring CJ, Kendal JK, Kadera BE, Nelson SD, Dry SM, Kalbasi AK, Singh AS, Chmielowski B, Eilber FR, Eilber FC, Crompton JG. Lifelong Imaging Surveillance is Indicated for Patients with Primary Retroperitoneal Liposarcoma. Ann Surg Oncol 2022; 30:3097-3103. [PMID: 36581724 DOI: 10.1245/s10434-022-12977-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 12/07/2022] [Indexed: 12/30/2022]
Abstract
BACKGROUND Surveillance imaging of patients with retroperitoneal liposarcoma (RP-LPS) after surgical resection is based on a projected risk of locoregional and distant recurrence. The duration of surveillance is not well defined because the natural history of RP-LPS after treatment is poorly understood. This study evaluated the long-term risk of recurrence and disease-specific survival (DSS) for a cohort of patients with at least 10 years of progression-free survival (10yr-PFS) from their primary resection. METHODS The prospective University of California, Los Angeles (UCLA) Sarcoma Database identified RP-LPS patients with 10yr-PFS after initial resection. The patients in the 10yr-PFS cohort were subsequently evaluated for recurrence and DSS. The time intervals start at date of initial surgical resection. Cox proportional hazards models were used to determine factors associated with recurrence and DSS. RESULTS From 1972 to 2010, 76 patients with RP-LPS had at least 10 years of follow-up evaluation. Of these 76 patients, 39 (51%) demonstrated 10yr-PFS. The median follow-up period was 15 years (range 10-33 years). Among the 10yr-PFS patients, 49% (19/39) experienced a recurrence at least 10 years after surgery. Of those who experienced recurrence, 42% (8/19) died of disease. Neither long-term recurrence nor DSS were significantly associated with age, sex, tumor size, LPS subtype, surgical margin, or perioperative treatment with radiation or chemotherapy. CONCLUSION Patients who have primary RP-LPS treated with surgical resection ± multimodality therapy face a long-term risk of recurrence and disease-specific death unacknowledged by current surveillance imaging guidelines. Among the patients with 10yr-PFS, 49% experienced a recurrence, and 42% of those died of disease. These findings suggest a need for lifelong surveillance imaging for patients with RP-LPS.
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Affiliation(s)
- Mark A Eckardt
- Department of Surgery, Yale School of Medicine, New Haven, CT, USA.,UCLA Department of Surgery, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - Danielle S Graham
- UCLA Department of Surgery, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - Kyle D Klingbeil
- UCLA Department of Surgery, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - Serena Y Lofftus
- UCLA Department of Surgery, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - Tyler R McCaw
- UCLA Department of Surgery, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - Mark J Bailey
- UCLA Department of Surgery, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - Charles J Goldring
- UCLA Division of Surgical Oncology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - Joseph K Kendal
- UCLA Jonsson Comprehensive Cancer Center Sarcoma Program, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - Brian E Kadera
- UCLA Division of Surgical Oncology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA.,UCLA Jonsson Comprehensive Cancer Center Sarcoma Program, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - Scott D Nelson
- UCLA Jonsson Comprehensive Cancer Center Sarcoma Program, UCLA David Geffen School of Medicine, Los Angeles, CA, USA.,UCLA Department of Pathology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - Sarah M Dry
- UCLA Jonsson Comprehensive Cancer Center Sarcoma Program, UCLA David Geffen School of Medicine, Los Angeles, CA, USA.,UCLA Department of Pathology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - Anusha K Kalbasi
- Department of Radiation Oncology, Stanford Cancer Institute, Stanford University School of Medicine, Stanford, CA, USA
| | - Arun S Singh
- UCLA Jonsson Comprehensive Cancer Center Sarcoma Program, UCLA David Geffen School of Medicine, Los Angeles, CA, USA.,UCLA Division of Hematology/Oncology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - Bartosz Chmielowski
- UCLA Jonsson Comprehensive Cancer Center Sarcoma Program, UCLA David Geffen School of Medicine, Los Angeles, CA, USA.,UCLA Division of Hematology/Oncology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - Frederick R Eilber
- UCLA Division of Surgical Oncology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA.,UCLA Jonsson Comprehensive Cancer Center Sarcoma Program, UCLA David Geffen School of Medicine, Los Angeles, CA, USA
| | - Fritz C Eilber
- UCLA Division of Surgical Oncology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA. .,UCLA Jonsson Comprehensive Cancer Center Sarcoma Program, UCLA David Geffen School of Medicine, Los Angeles, CA, USA.
| | - Joseph G Crompton
- UCLA Division of Surgical Oncology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA. .,UCLA Jonsson Comprehensive Cancer Center Sarcoma Program, UCLA David Geffen School of Medicine, Los Angeles, CA, USA.
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7
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Gkouveris I, Hadaya D, Elzakra N, Soundia A, Bezouglaia O, Dry SM, Pirih F, Aghaloo T, Tetradis S. Inhibition of HMGB1/RAGE Signaling Reduces the Incidence of Medication-Related Osteonecrosis of the Jaw (MRONJ) in Mice. J Bone Miner Res 2022; 37:1775-1786. [PMID: 35711109 PMCID: PMC9474692 DOI: 10.1002/jbmr.4637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 05/07/2022] [Accepted: 06/04/2022] [Indexed: 11/06/2022]
Abstract
Medication-related osteonecrosis of the jaw (MRONJ) is a severe complication of antiresorptive or antiangiogenic medications, used in the treatment of bone malignancy or osteoporosis. Bone necrosis, mainly represented by osteocytic death, is always present in MRONJ sites; however, the role of osteocyte death in MRONJ pathogenesis is unknown. High mobility group box 1 (HMGB1) is a non-histone nucleoprotein that in its acetylated form accumulates in the cytoplasm, whereas non-acetylated HMGB1 localizes in the nucleus. SIRT1 deacetylase regulates cellular localization of HMGB1. Interestingly, HMGB1 is released during cell necrosis and promotes inflammation through signaling cascades, including activation of the RAGE receptor. Here, we utilized a well-established mouse MRONJ model that utilizes ligature-induced experimental periodontitis (EP) and treatment with either vehicle or zolendronic acid (ZA). Initially, we evaluated HMGB1-SIRT1 expression in osteocytes at 1, 2, and 4 weeks of treatment. Significantly increased cytoplasmic and perilacunar HMGB1 expression was observed at EP sites of ZA versus vehicle (Veh) animals at all time points. SIRT1 colocalized with cytoplasmic HMGB1 and presented a statistically significant increased expression at the EP sites of ZA animals for all time points. RAGE expression was significantly higher in the submucosal tissues EP sites of ZA animals compared with those in vehicle group. To explore the significance of increased cytoplasmic and extracellular HMGB1 and increased RAGE expression in MRONJ pathogenesis, we used pharmacologic inhibitors of these molecules. Combined HMGB1/RAGE inhibition resulted in lower MRONJ incidence with statistically significant decrease in osteonecrotic areas and bone exposure versus non-inhibitor treated ZA animals. Together, our data point to the role of HMGB1 as a central alarmin, overexpressed at early phase of MRONJ pathogenesis during osteocytic death. Moreover, HMGB1-RAGE pathway may represent a new promising therapeutic target in patients at high risk of MRONJ. © 2022 American Society for Bone and Mineral Research (ASBMR).
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Affiliation(s)
- Ioannis Gkouveris
- Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA 90095, USA
| | - Danny Hadaya
- Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA 90095, USA
| | - Naseim Elzakra
- Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA 90095, USA
| | - Akrivoula Soundia
- Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA 90095, USA
| | - Olga Bezouglaia
- Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA 90095, USA
| | - Sarah M Dry
- UCLA Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095, USA
| | - Flavia Pirih
- Division of Constitutive and Regenerative Sciences, UCLA School of Dentistry, Los Angeles, CA, 90095, USA
| | - Tara Aghaloo
- Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA 90095, USA
| | - Sotirios Tetradis
- Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA 90095, USA
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Klingbeil KD, Tang JP, Dry SM, Eilber FC, Rao DS, Kadera BE, Kalbasi A. Abstract 3490: IGF2BP3 (IMP3) expression is associated with worse survival in well-differentiated/dedifferentiated (WD/DD) liposarcoma. Cancer Res 2022. [DOI: 10.1158/1538-7445.am2022-3490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background: Liposarcoma (LPS) is an understudied form of soft tissue sarcoma (STS). The well-differentiated (WD) and de-differentiated (DD) subtypes of LPS are associated with indolent and aggressive disease courses, respectively, but this histologic stratification fails to fully capture disease heterogeneity. Molecular approaches may help refine prognostication and inform treatment intensification. Insulin-like growth factor 2 mRNA-binding protein 3 (IGF2BP3 or IMP3), is an RNA-binding protein that regulates gene expression by controlling mRNA stability and has been implicated in tumorigenesis and poor prognosis in many cancers. We hypothesized IGF2BP3 would refine the prognostication of LPS beyond its WD/DD histologic status.
Methods: We examined the association between IGF2BP3 gene or protein expression and clinical data in four datasets: (1) patients with STS subtypes (n=206) in the cancer genome atlas (TCGA) database, (2) an in-house gene microarray of lipomatous tumors (n=71), LPS cell lines (n=3) and patient-derived xenografts (PDX, n=3), (3) an in-house tissue microarray (TMA) of lipomatous tumors (n=115), LPS cell lines (n=3) and PDXs (n=3) and (4) an in-house TMA of WD/DD LPS (n=71). IGF2BP3 protein expression in TMAs was quantified by immunohistochemistry (IHC). IGF2BP3 gene and protein expression values from identical samples were compared by Pearson correlation (n=43). The Kaplan-Meier method and log-rank test were used to compare survival outcomes.
Results: In the TCGA cohort, which does not include WD LPS, IGF2BP3 expression was a poor prognostic factor solely in DD LPS (n=50, median overall survival (mOS): 1.6 vs 5.0 years, p=0.009). Among gene microarray samples, IGF2BP3 expression was highest in DD LPS (n=18) compared to WD LPS (n=29) and lipoma (n=7) by paired t-tests (p=0.03 and 0.002, respectively) and IGF2BP3 expression was associated with worse survival in WD/DD LPS (mOS 7.7 vs 21.5 years, p=0.02). In both TMAs, IGF2BP3 expression (>25% cell positivity/core) portended worse survival in WD/DD LPS (mOS (3): 3.7 vs 13.8 years, p<0.001 and mOS (4): 2.7 vs 14.9 years, p<0.001). IGF2BP3 was not expressed in myxoid LPS (n=21) or lipoma (n=8) samples. Gene and protein expression of IGF2BP3 were positively correlated in WD/DD LPS (r2 = 0.69). IGF2BP3 expression was more strongly associated with survival than LPS differentiation status (mOS: 7.0 (DD) vs 15.2 years (WD), p=0.02). Furthermore, all LPS cell lines and PDXs demonstrated high gene and protein expression of IGF2BP3.
Conclusion: IGF2BP3 is highly expressed in a subset of LPS. Across independent datasets, IGF2BP3 is also a biomarker of disease progression and worse survival, and may stratify patients more effectively than histologic differentiation. Mechanistic studies of IGF2BP3 in LPS tumorigenesis and progression using aforementioned LPS cell lines and PDX models are ongoing.
Citation Format: Kyle D. Klingbeil, Jack Pengfei Tang, Sarah M. Dry, Fritz C. Eilber, Dinesh S. Rao, Brian E. Kadera, Anusha Kalbasi. IGF2BP3 (IMP3) expression is associated with worse survival in well-differentiated/dedifferentiated (WD/DD) liposarcoma [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2022; 2022 Apr 8-13. Philadelphia (PA): AACR; Cancer Res 2022;82(12_Suppl):Abstract nr 3490.
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Crompton JG, Armstrong WR, Eckardt MA, Seyedroudbari A, Tap WD, Dry SM, Abt ER, Calais J, Herrmann K, Czernin J, Eilber FC, Benz MR. 18F-FLT PET/CT as a Prognostic Imaging Biomarker of Disease-Specific Survival in Patients with Primary Soft-Tissue Sarcoma. J Nucl Med 2022; 63:708-712. [PMID: 34593596 PMCID: PMC9051595 DOI: 10.2967/jnumed.121.262502] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 08/05/2021] [Indexed: 01/19/2023] Open
Abstract
The purpose of this study was to evaluate 18F-FLT PET/CT as an early prognostic imaging biomarker of long-term overall survival and disease-specific survival (DSS) in soft-tissue sarcoma (STS) patients treated with neoadjuvant therapy (NAT) and surgical resection. Methods: This was a 10-y follow-up of a previous single-center, single-arm prospective clinical trial. Patients underwent 18F-FLT PET/CT before treatment (PET1) and after NAT (PET2). Posttreatment pathology specimens were assessed for tumor necrosis or fibrosis and for Ki-67 and thymidine kinase 1 expression. Maximally selected cutoffs for PET and histopathologic factors were applied. Survival was calculated from the date of subject consent to the date of death or last follow-up. Results: The study population consisted of 26 patients who underwent PET1; 16 of the 26 with primary STS underwent PET2. Thirteen deaths occurred during a median follow-up of 104 mo. In the overall cohort, overall survival was longer in patients with a low than a high PET1 tumor SUVmax (dichotomized by an SUVmax of ≥8.5 vs. <8.5: not yet reached vs. 49.7 mo; P = 0.0064). DSS showed a trend toward significance (P = 0.096). In a subanalysis of primary STS, DSS was significantly longer in patients with a low PET1 tumor SUVmax (dichotomized by an SUVmax of ≥8 vs. <8; P = 0.034). There were no significant 18F-FLT PET response thresholds corresponding to DSS or overall survival after NAT at PET2. Conclusion:18F-FLT PET may serve as a prognostic baseline imaging biomarker for DSS in patients with primary STS.
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Affiliation(s)
- Joseph G. Crompton
- Division of Surgical-Oncology, Department of Surgery, UCLA, Los Angeles, California
| | - Wesley R. Armstrong
- Ahmanson Translational Theranostics Division, Department of Molecular and Medical Pharmacology, UCLA, Los Angeles, California
| | - Mark A. Eckardt
- Department of Surgery, Yale School of Medicine, New Haven, Connecticut
| | - Ameen Seyedroudbari
- Ahmanson Translational Theranostics Division, Department of Molecular and Medical Pharmacology, UCLA, Los Angeles, California
| | - William D. Tap
- Department of Medicine, Sarcoma Medical Oncology Service, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Sarah M. Dry
- Department of Pathology, UCLA, Los Angeles, California; and
| | - Evan R. Abt
- Ahmanson Translational Theranostics Division, Department of Molecular and Medical Pharmacology, UCLA, Los Angeles, California
| | - Jeremie Calais
- Ahmanson Translational Theranostics Division, Department of Molecular and Medical Pharmacology, UCLA, Los Angeles, California
| | - Ken Herrmann
- Department of Nuclear Medicine, University of Duisburg–Essen and German Cancer Consortium–University Hospital Essen, Essen, Germany
| | - Johannes Czernin
- Ahmanson Translational Theranostics Division, Department of Molecular and Medical Pharmacology, UCLA, Los Angeles, California
| | - Fritz C. Eilber
- Division of Surgical-Oncology, Department of Surgery, UCLA, Los Angeles, California
| | - Matthias R. Benz
- Ahmanson Translational Theranostics Division, Department of Molecular and Medical Pharmacology, UCLA, Los Angeles, California;,Department of Nuclear Medicine, University of Duisburg–Essen and German Cancer Consortium–University Hospital Essen, Essen, Germany
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Liou SS, Memarzadeh S, Dry SM, Graham RP, Moatamed NA. A rare case of vulvar extraskeletal myxoid chondrosarcoma: mimics and diagnostic clues. Autops Case Rep 2021; 11:e2021322. [PMID: 34458187 PMCID: PMC8387072 DOI: 10.4322/acr.2021.322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 07/11/2021] [Indexed: 11/23/2022] Open
Abstract
Only 14 cases of extraskeletal myxoid chondrosarcoma (EMC) of the vulva have been documented in the literature. We report a case of a 63-year-old woman with EMC of the vulva confirmed by both EWSR1 and NR4A3 fluorescence in situ hybridization, the latter of which is a more specific probe for this entity. The unusual location of this tumor of prominent myxoid morphology gave rise to a wide differential diagnosis, which necessitated thorough histologic evaluation and confirmatory ancillary testing in the form of immunohistochemistry and cytogenetic studies. This article aims to review extraskeletal myxoid chondrosarcoma of the vulva and various diagnostic clues to help differentiate it from its histologic mimics. This is the fifth case of vulvar EMC in the literature with confirmation of a NR4A3 gene rearrangement.
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Affiliation(s)
- Sofia S Liou
- University of California Los Angeles (UCLA), David Geffen School of Medicine, Department of Pathology and Laboratory Medicine, Los Angeles, CA, USA
| | - Sanaz Memarzadeh
- University of California Los Angeles (UCLA), David Geffen School of Medicine, Department of Obstetrics and Gynecology, Los Angeles, CA, USA.,University of California Los Angeles (UCLA), Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research, Los Angeles, CA, USA.,University of California Los Angeles (UCLA), Molecular Biology Institute, Los Angeles, CA, USA.,The VA Greater Los Angeles Healthcare System, Los Angeles, CA, USA
| | - Sarah M Dry
- University of California Los Angeles (UCLA), David Geffen School of Medicine, Department of Pathology and Laboratory Medicine, Los Angeles, CA, USA
| | - Rondell P Graham
- Mayo Clinic, Department of Laboratory Medicine and Pathology, Rochester, MN, USA
| | - Neda A Moatamed
- University of California Los Angeles (UCLA), David Geffen School of Medicine, Department of Pathology and Laboratory Medicine, Los Angeles, CA, USA
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11
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Eckardt MA, Graham DS, Kadera BE, Klingbeil KD, Nelson SD, Dry SM, Kalbasi A, Singh AS, Chmielowski B, Eilber FR, Crompton JG, Eilber FC. Recurrence and disease-specific survival after 10-year disease-free interval in patients with primary retroperitoneal liposarcoma: Implications for long-term surveillance. J Clin Oncol 2021. [DOI: 10.1200/jco.2021.39.15_suppl.11546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
11546 Background: Surveillance imaging of patients with retroperitoneal liposarcoma (RP-LPS) following surgical resection is based on a projected risk of locoregional and distant recurrence. The duration of surveillance is not well defined as the long-term natural history of RP-LPS after treatment is poorly understood. We evaluate a cohort of RP-LPS patients—without evidence of disease 10 years following initial resection—to assess the long-term risk of recurrence and disease-specific survival (DSS). Methods: The prospectively maintained UCLA Sarcoma Database was used to identify RP-LPS patients who demonstrated 10-year progression-free survival (10yr-PFS) after initial diagnosis and treatment. Patients in the 10yr-PFS cohort were subsequently evaluated for recurrence and DSS. Time intervals start at date of initial surgical resection. Cox proportional hazards models were used to determine factors associated with recurrence and DSS. Results: From 1972-2010, 76 patients with RP-LPS had at least 10 years of follow-up. Of these, 37 (49%) demonstrated 10yr-PFS. Median follow-up was 15 years (range 10-35 years). Among the 10yr-PFS patients, 43% (16/37) developed a recurrence >10 years after the initial surgery, and 19% (7/37) died of disease. Neither long-term recurrence nor DSS were significantly associated with age, sex, tumor size, LPS subtype, surgical margin, or peri-operative treatment with radiation or chemotherapy (Table). Conclusions: Patients with primary RP-LPS treated with surgical resection +/- multimodality therapy have a long-term risk of recurrence and disease-specific death that is unacknowledged by current surveillance imaging guidelines. Among the patients with a 10yr-PFS, 43% developed a recurrence and 19% died of disease. These findings suggest a need for lifelong surveillance imaging in patients with RP-LPS.[Table: see text]
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Affiliation(s)
| | - Danielle S. Graham
- Department of Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | | | - Kyle D. Klingbeil
- Department of Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Scott D. Nelson
- Department of Pathology & Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Sarah M. Dry
- Department of Pathology & Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Anusha Kalbasi
- David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Arun S. Singh
- Division of Hematology-Oncology, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Bartosz Chmielowski
- Division of Hematology-Oncology, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Frederick R. Eilber
- Division of Surgical Oncology, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Joseph G. Crompton
- Division of Surgical Oncology, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Frederick C. Eilber
- Division of Surgical Oncology, David Geffen School of Medicine at UCLA, Los Angeles, CA
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12
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Gao Y, Ghodrati V, Kalbasi A, Fu J, Ruan D, Cao M, Wang C, Eilber FC, Bernthal N, Bukata S, Dry SM, Nelson SD, Kamrava M, Lewis J, Low DA, Steinberg M, Hu P, Yang Y. Prediction of soft tissue sarcoma response to radiotherapy using longitudinal diffusion MRI and a deep neural network with generative adversarial network-based data augmentation. Med Phys 2021; 48:3262-3372. [PMID: 33908045 DOI: 10.1002/mp.14897] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 02/18/2021] [Accepted: 04/12/2021] [Indexed: 11/10/2022] Open
Abstract
PURPOSE The goal of this study was to predict soft tissue sarcoma response to radiotherapy (RT) using longitudinal diffusion-weighted MRI (DWI). A novel deep-learning prediction framework along with generative adversarial network (GAN)-based data augmentation was investigated for the response prediction. METHODS Thirty soft tissue sarcoma patients who were treated with five-fraction hypofractionated radiation therapy (RT, 6Gy×5) underwent diffusion-weighted MRI three times throughout the RT course using an MR-guided radiotherapy system. Pathologic treatment effect (TE) scores, ranging from 0-100%, were obtained from the post-RT surgical specimen as a surrogate of patient treatment response. Patients were divided into three classes based on the TE score (TE ≤ 20%, 20% < TE < 90%, TE ≥ 90%). Apparent diffusion coefficient (ADC) maps of the tumor from the three time points were combined as 3-channel images. An auxiliary classifier generative adversarial network (ACGAN) was trained on 20 patients to augment the data size. A total of 15,000 synthetic images were generated for each class. A prediction model based on a previously described VGG-19 network was trained using the synthesized data, validated on five unseen validation patients, and tested on the remaining five test patients. The entire process was repeated seven times, each time shuffling the training, validation, and testing datasets such that each patient was tested at least once during the independent test stage. Prediction performance for slice-based prediction and patient-based prediction was evaluated. RESULTS The average training and validation accuracies were 86.5% ± 1.6% and 84.8% ± 1.8%, respectively, indicating that the generated samples were good representations of the original patient data. Among the seven rounds of testing, slice by slice prediction accuracy ranged from 81.6% to 86.8%. The overall accuracy of the independent test sets was 83.3%. For patient-based prediction, 80% was achieved in one round and 100% was achieved in the remaining six rounds. The mean accuracy was 97.1%. CONCLUSION This study demonstrated the potential to use deep learning to predict the pathologic treatment effect from longitudinal DWI. Accuracies of 83.3% and 97.1% were achieved on independent test sets for slice-based and patient-based prediction respectively.
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Affiliation(s)
- Yu Gao
- Department of Radiological Sciences, University of California, Los Angeles, CA, USA.,Physics and Biology in Medicine IDP, University of California, Los Angeles, CA, USA
| | - Vahid Ghodrati
- Department of Radiological Sciences, University of California, Los Angeles, CA, USA.,Physics and Biology in Medicine IDP, University of California, Los Angeles, CA, USA
| | - Anusha Kalbasi
- Department of Radiation Oncology, University of California, Los Angeles, CA, USA
| | - Jie Fu
- Physics and Biology in Medicine IDP, University of California, Los Angeles, CA, USA.,Department of Radiation Oncology, University of California, Los Angeles, CA, USA
| | - Dan Ruan
- Physics and Biology in Medicine IDP, University of California, Los Angeles, CA, USA.,Department of Radiation Oncology, University of California, Los Angeles, CA, USA
| | - Minsong Cao
- Physics and Biology in Medicine IDP, University of California, Los Angeles, CA, USA.,Department of Radiation Oncology, University of California, Los Angeles, CA, USA
| | - Chenyang Wang
- Department of Radiation Oncology, University of California, Los Angeles, CA, USA
| | - Fritz C Eilber
- Division of Surgical Oncology, Department of Surgery, University of California, Los Angeles, CA, USA
| | - Nicholas Bernthal
- Department of Orthopaedic Surgery, University of California, Los Angeles, CA, USA
| | - Susan Bukata
- Department of Orthopaedic Surgery, University of California, Los Angeles, CA, USA
| | - Sarah M Dry
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Scott D Nelson
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Mitchell Kamrava
- Radiation Oncology, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - John Lewis
- Physics and Biology in Medicine IDP, University of California, Los Angeles, CA, USA.,Department of Radiation Oncology, University of California, Los Angeles, CA, USA
| | - Daniel A Low
- Physics and Biology in Medicine IDP, University of California, Los Angeles, CA, USA.,Department of Radiation Oncology, University of California, Los Angeles, CA, USA
| | - Michael Steinberg
- Department of Radiation Oncology, University of California, Los Angeles, CA, USA
| | - Peng Hu
- Department of Radiological Sciences, University of California, Los Angeles, CA, USA.,Physics and Biology in Medicine IDP, University of California, Los Angeles, CA, USA
| | - Yingli Yang
- Physics and Biology in Medicine IDP, University of California, Los Angeles, CA, USA.,Department of Radiation Oncology, University of California, Los Angeles, CA, USA
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Hadaya D, Soundia A, Gkouveris I, Bezouglaia O, Dry SM, Pirih FQ, Aghaloo TL, Tetradis S. Antiresorptive-Type and Discontinuation-Timing Affect ONJ Burden. J Dent Res 2021; 100:746-753. [PMID: 33478337 DOI: 10.1177/0022034520986804] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Osteonecrosis of the jaws (ONJ), a severe side effect of antiresorptive medications, is characterized by exposed, nonhealing bone in the oral cavity. Treatment options for ONJ range from management of symptomology to surgical resection of the affected area. Antiresorptive discontinuation, often termed a "drug holiday," has been used for managing ONJ patients. Antiresorptives can be discontinued prior to oral surgical procedures, such as tooth extraction, to prevent ONJ development or in patients with established ONJ to accelerate healing. Here, our objective was to test these clinical scenarios using the potent bisphosphonate, zoledronic acid (ZA), and the denosumab surrogate for rodents, OPG-Fc, in a rat model of ONJ. Animals were pretreated with antiresorptives or saline, after which we induced ONJ using periapical disease and tooth extraction. In our first experimental design, antiresorptives were discontinued 1 wk prior to tooth extraction, and animals were evaluated 4 wk later for clinical, radiographic, and histologic features of ONJ. In the second experiment, ONJ was established and antiresorptives were discontinued for 4 wk. Discontinuation of OPG-Fc, but not ZA, prior to tooth extraction ameliorated subsequent ONJ development. In contrast, discontinuation of either ZA or OPG-Fc in rats with established ONJ did not lead to ONJ resolution. In conclusion, our findings suggest that antiresorptive discontinuation is dependent on both the type of antiresorptive and the timing of discontinuation.
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Affiliation(s)
- D Hadaya
- Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA, USA
| | - A Soundia
- Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA, USA
| | - I Gkouveris
- Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA, USA
| | - O Bezouglaia
- Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA, USA
| | - S M Dry
- UCLA Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - F Q Pirih
- Division of Constitutive and Regenerative Sciences, UCLA School of Dentistry, Los Angeles, CA, USA
| | - T L Aghaloo
- Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA, USA
| | - S Tetradis
- Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA, USA
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Xiao A, Ahlers M, Dry SM, Weber AT, Chiu VY, Pessegueiro AM. Rare malignant glomus tumor of the esophagus with pulmonary metastasis: a case report. AME Case Rep 2021; 6:20. [DOI: 10.21037/acr-21-72] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 02/11/2022] [Indexed: 11/06/2022]
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Igarashi K, Kawaguchi K, Yamamoto N, Hayashi K, Kimura H, Miwa S, Higuchi T, Taniguchi Y, Yonezawa H, Araki Y, Morinaga S, Misra S, Nelson SD, Dry SM, Li Y, Odani A, Singh SR, Tsuchiya H, Hoffman RM. A Novel Anionic-phosphate-platinum Complex Effectively Targets a Cisplatinum-resistant Osteosarcoma in a Patient-derived Orthotopic Xenograft Mouse Model. Cancer Genomics Proteomics 2020; 17:217-223. [PMID: 32345663 DOI: 10.21873/cgp.20182] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Revised: 02/19/2020] [Accepted: 02/20/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND/AIM We have previously developed a novel bone-targeting platinum compound, 3Pt, and showed that it has strong inhibitory activity against osteosarcoma cells and orthotopic cell-line xenograft mouse models. In the present report, we compared the efficacy of 3Pt to cisplatinum (CDDP) in a CDDP-resistant relapsed osteosarcoma patient-derived orthotopic xenograft (PDOX) mouse model. PATIENTS AND METHODS The tumor of a patient with osteosarcoma of the distal femur was treated with CDDP-based chemotherapy followed by surgery. The surgical specimen was used to establish a PDOX model. An osteosarcoma cell line was also established from the original patient tumor. Osteosarcoma cell viability was assessed with the WST-8 assay and the IC50 values were calculated. The PDOX models were randomized into three groups: untreated control, CDDP-treated group, and 3Pt-treated group. Tumor size and body weight were measured twice a week. RESULTS 3Pt had a strong concentration-dependent cytocidal effect in vitro. The IC50 value of 3Pt was significantly lower than that of CDDP. On day 14 of the treatment, 3Pt caused a significantly greater tumor growth inhibition compared to the untreated control and CDDP-treated mice. CONCLUSION 3Pt is a promising clinical candidate for the treatment of recalcitrant osteosarcoma.
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Affiliation(s)
- Kentaro Igarashi
- AntiCancer, Inc., San Diego, CA, U.S.A.,Department of Surgery, University of California, San Diego, CA, U.S.A.,Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Kei Kawaguchi
- AntiCancer, Inc., San Diego, CA, U.S.A.,Department of Surgery, University of California, San Diego, CA, U.S.A
| | - Norio Yamamoto
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Katsuhiro Hayashi
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Hiroaki Kimura
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Shinji Miwa
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Takashi Higuchi
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Yuta Taniguchi
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Hirotaka Yonezawa
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Yoshihiro Araki
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Sei Morinaga
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Sweta Misra
- Mouse Cancer Genetics Program, National Cancer Institute, Frederick, MD, U.S.A
| | - Scott D Nelson
- Department of Pathology, University of California, Los Angeles, CA, U.S.A
| | - Sarah M Dry
- Department of Pathology, University of California, Los Angeles, CA, U.S.A
| | - Yunfeng Li
- Department of Pathology, University of California, Los Angeles, CA, U.S.A
| | - Akira Odani
- Division of Pharmaceutical Sciences, Kanazawa University, Kanazawa, Japan
| | - Shree Ram Singh
- Basic Research Laboratory, National Cancer Institute, Frederick, MD, U.S.A.
| | - Hiroyuki Tsuchiya
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Robert M Hoffman
- AntiCancer, Inc., San Diego, CA, U.S.A. .,Department of Surgery, University of California, San Diego, CA, U.S.A
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Gao Y, Kalbasi A, Hsu W, Ruan D, Fu J, Shao J, Cao M, Wang C, Eilber FC, Bernthal N, Bukata S, Dry SM, Nelson SD, Kamrava M, Lewis J, Low DA, Steinberg M, Hu P, Yang Y. Treatment effect prediction for sarcoma patients treated with preoperative radiotherapy using radiomics features from longitudinal diffusion-weighted MRIs. Phys Med Biol 2020; 65:175006. [PMID: 32554891 DOI: 10.1088/1361-6560/ab9e58] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The objective of this study was to explore radiomics features from longitudinal diffusion-weighted MRIs (DWIs) for pathologic treatment effect prediction in patients with localized soft tissue sarcoma (STS) undergoing hypofractionated preoperative radiotherapy (RT). Thirty patients with localized STS treated with preoperative hypofractionated RT were recruited to this longitudinal imaging study. DWIs were acquired at three time points using a 0.35 T MRI-guided radiotherapy system. Treatment effect score (TES) was obtained from the post-surgery pathology as a surrogate of treatment outcome. Patients were divided into two groups based on TES. Response prediction was first performed using a support vector machine (SVM) with only mean apparent diffusion coefficient (ADC) or delta ADC to serve as the benchmark. Radiomics features were then extracted from tumor ADC maps at each of the three time points. Logistic regression and SVM were constructed to predict the TES group using features selected by univariate analysis and sequential forward selection. Classification performance using SVM with features from different time points and with or without delta radiomics were evaluated. Prediction performance using only mean ADC or delta ADC was poor (area under the curve (AUC) < 0.7). For the radiomics study using features from all time points and corresponding delta radiomics, SVM significantly outperformed logistic regression (AUC of 0.91 ± 0.05 v.s. 0.85 ± 0.06). Prediction AUC values using single or multiple time points without delta radiomics were all below 0.74. Including delta radiomics of mid- or post-treatment relative to the baseline drastically boosted the prediction. In this work, an SVM model was built to predict the TES using radiomics features from longitudinal DWI. Based on this study, we found that use of mean ADC, delta ADC, or radiomics features alone was not sufficient for response prediction, and including delta radiomics features of mid- or post-treatment relative to the baseline can optimize the prediction of TES, a pathologic and clinical endpoint.
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Affiliation(s)
- Yu Gao
- Department of Radiological Sciences, University of California, Los Angeles, CA, United States of America. Physics and Biology in Medicine IDP, University of California, Los Angeles, CA, United States of America
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17
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Igarashi K, Kawaguchi K, Zhao M, Han Q, Tan Y, Kiyuna T, Miyake K, Higuchi T, Nelson SD, Dry SM, Li Y, Yamamoto N, Hayashi K, Kimura H, Miwa S, Singh SR, Tsuchiya H, Hoffman RM. Recombinant Methioninase Combined With Tumor-targeting Salmonella typhimurium A1-R Induced Regression in a PDOX Mouse Model of Doxorubicin-resistant Dedifferentiated Liposarcoma. Anticancer Res 2020; 40:2515-2523. [PMID: 32366396 DOI: 10.21873/anticanres.14222] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 04/15/2020] [Accepted: 04/16/2020] [Indexed: 11/10/2022]
Abstract
BACKGROUND/AIM Dedifferentiated liposarcoma (DDLPS) is associated with a poor survival rate even with multi-modality treatment. In the present study, we evaluated the efficacy of recombinant methioninase (rMETase) combined with tumor-targeting Salmonella typhimurium (S. typhimurium) A1-R against a doxorubicin-resistant DDLPS in a patient-derived orthotopic xenograft (PDOX) mouse model. MATERIALS AND METHODS A recurrent high-grade DDLPS from the right retroperitoneum of a patient was grown orthotopically in the retroperitoneum of nude mice to establish a PDOX model. The PDOX models were randomly divided into the following groups: Control, no treatment; doxorubicin monotherapy; rMETase monotherapy; S. typhimurium A1-R monotherapy; S. typhimurium A1-R and rMETase combination therapy. Tumor length and width were measured before and after treatment. RESULTS On day 14 after treatment, all treatments significantly inhibited DDLPS PDOX tumor growth compared to the untreated control except for doxorubicin monotherapy. rMETase combined with S. typhimurium A1-R was significantly more effective and regressed tumor volume compared to either rMETase or S. typhimurium A1-R alone. The relative body weight did not significantly differ between days 0 and 14 for individual groups. CONCLUSION The combination of rMETase and S. typhimurium A1-R has important clinical potential for this recalcitrant sarcoma.
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Affiliation(s)
- Kentaro Igarashi
- AntiCancer, Inc., San Diego, CA, U.S.A.,Department of Surgery, University of California, San Diego, CA, U.S.A.,Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Kei Kawaguchi
- AntiCancer, Inc., San Diego, CA, U.S.A.,Department of Surgery, University of California, San Diego, CA, U.S.A
| | - Ming Zhao
- AntiCancer, Inc., San Diego, CA, U.S.A
| | | | | | - Tasuku Kiyuna
- AntiCancer, Inc., San Diego, CA, U.S.A.,Department of Surgery, University of California, San Diego, CA, U.S.A
| | - Kentaro Miyake
- AntiCancer, Inc., San Diego, CA, U.S.A.,Department of Surgery, University of California, San Diego, CA, U.S.A
| | - Takashi Higuchi
- AntiCancer, Inc., San Diego, CA, U.S.A.,Department of Surgery, University of California, San Diego, CA, U.S.A.,Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Scott D Nelson
- Department of Pathology, University of California, Los Angeles, CA, U.S.A
| | - Sarah M Dry
- Department of Pathology, University of California, Los Angeles, CA, U.S.A
| | - Yunfeng Li
- Department of Pathology, University of California, Los Angeles, CA, U.S.A
| | - Norio Yamamoto
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Katsuhiro Hayashi
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Hiroaki Kimura
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Shinji Miwa
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Shree Ram Singh
- Basic Research Laboratory, National Cancer Institute, Frederick, MD, U.S.A.
| | - Hiroyuki Tsuchiya
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Robert M Hoffman
- AntiCancer, Inc., San Diego, CA, U.S.A. .,Department of Surgery, University of California, San Diego, CA, U.S.A
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18
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Kalbasi A, Kamrava M, Chu FI, Telesca D, Van Dams R, Yang Y, Ruan D, Nelson SD, Dry SM, Hernandez J, Chmielowski B, Singh AS, Bukata SV, Bernthal NM, Steinberg ML, Weidhaas JB, Eilber FC. A Phase II Trial of 5-Day Neoadjuvant Radiotherapy for Patients with High-Risk Primary Soft Tissue Sarcoma. Clin Cancer Res 2020; 26:1829-1836. [PMID: 32054730 DOI: 10.1158/1078-0432.ccr-19-3524] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 12/09/2019] [Accepted: 01/24/2020] [Indexed: 12/27/2022]
Abstract
PURPOSE In a single-institution phase II study, we evaluated the safety of a 5-day dose-equivalent neoadjuvant radiotherapy (RT) regimen for high-risk primary soft tissue sarcoma. PATIENTS AND METHODS Patients received neoadjuvant RT alone (30 Gy in five fractions) to the primary tumor with standard margins. The primary endpoint was grade ≥2 late-radiation toxicity. Major wound complications, local recurrences, and distant metastases were also examined. In exploratory analysis, we evaluated germline biomarkers for wound toxicity and the effects of the study on treatment utilization. RESULTS Over 2 years, 52 patients were enrolled with median follow-up of 29 months. Seven of 44 evaluable patients (16%) developed grade ≥2 late toxicity. Major wound complications occurred in 16 of 50 patients (32%); a signature defined by 19 germline SNPs in miRNA-binding sites of immune and DNA damage response genes, in addition to lower extremity tumor location, demonstrated strong predictive performance for major wound complications. Compared with the preceding 2-year period, the number of patients treated with neoadjuvant RT alone at our institution increased 3-fold, with a concomitant increase in the catchment area. CONCLUSIONS A shorter 5-day neoadjuvant RT regimen results in favorable rates of wound complications and grade ≥2 toxicity after 2-year follow-up. Five-day RT significantly increased utilization of neoadjuvant RT at our high-volume sarcoma center. With further validation, a putative germline biomarker for wound complications may guide safer RT utilization.
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Affiliation(s)
- Anusha Kalbasi
- Department of Radiation Oncology, University of California Los Angeles (UCLA), Los Angeles, California. .,Division of Surgical-Oncology, Department of Surgery, University of California Los Angeles, Los Angeles, California.,University of California Los Angeles Jonsson Comprehensive Cancer Center Sarcoma Program, Los Angeles, California
| | | | - Fang-I Chu
- Department of Radiation Oncology, University of California Los Angeles (UCLA), Los Angeles, California
| | - Donatello Telesca
- Department of Biostatistics, University of California Los Angeles Fielding School of Public Health, Los Angeles, California
| | - Ritchell Van Dams
- Department of Radiation Oncology, University of California Los Angeles (UCLA), Los Angeles, California
| | - Yingli Yang
- Department of Radiation Oncology, University of California Los Angeles (UCLA), Los Angeles, California
| | - Dan Ruan
- Department of Radiation Oncology, University of California Los Angeles (UCLA), Los Angeles, California
| | - Scott D Nelson
- University of California Los Angeles Jonsson Comprehensive Cancer Center Sarcoma Program, Los Angeles, California.,Department of Pathology, University of California Los Angeles, Los Angeles, California
| | - Sarah M Dry
- University of California Los Angeles Jonsson Comprehensive Cancer Center Sarcoma Program, Los Angeles, California.,Department of Pathology, University of California Los Angeles, Los Angeles, California
| | - Jackie Hernandez
- Department of Radiation Oncology, University of California Los Angeles (UCLA), Los Angeles, California
| | - Bartosz Chmielowski
- University of California Los Angeles Jonsson Comprehensive Cancer Center Sarcoma Program, Los Angeles, California.,Division of Hematology-Oncology, Department of Medicine, University of California Los Angeles, Los Angeles, California
| | - Arun S Singh
- Division of Surgical-Oncology, Department of Surgery, University of California Los Angeles, Los Angeles, California.,University of California Los Angeles Jonsson Comprehensive Cancer Center Sarcoma Program, Los Angeles, California.,Division of Hematology-Oncology, Department of Medicine, University of California Los Angeles, Los Angeles, California
| | - Susan V Bukata
- University of California Los Angeles Jonsson Comprehensive Cancer Center Sarcoma Program, Los Angeles, California.,Department of Orthopedic Surgery, University of California Los Angeles, Los Angeles, California
| | - Nicholas M Bernthal
- University of California Los Angeles Jonsson Comprehensive Cancer Center Sarcoma Program, Los Angeles, California.,Department of Orthopedic Surgery, University of California Los Angeles, Los Angeles, California
| | - Michael L Steinberg
- Department of Radiation Oncology, University of California Los Angeles (UCLA), Los Angeles, California.,University of California Los Angeles Jonsson Comprehensive Cancer Center Sarcoma Program, Los Angeles, California
| | - Joanne B Weidhaas
- Department of Radiation Oncology, University of California Los Angeles (UCLA), Los Angeles, California.,University of California Los Angeles Jonsson Comprehensive Cancer Center Sarcoma Program, Los Angeles, California
| | - Fritz C Eilber
- Division of Surgical-Oncology, Department of Surgery, University of California Los Angeles, Los Angeles, California. .,University of California Los Angeles Jonsson Comprehensive Cancer Center Sarcoma Program, Los Angeles, California
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19
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Igarashi K, Kawaguchi K, Zhao M, Kiyuna T, Miyake K, Miyake M, Nelson SD, Dry SM, Li Y, Yamamoto N, Hayashi K, Kimura H, Miwa S, Higuchi T, Singh SR, Tsuchiya H, Hoffman RM. Exquisite Tumor Targeting by Salmonella A1-R in Combination with Caffeine and Valproic Acid Regresses an Adult Pleomorphic Rhabdomyosarcoma Patient-Derived Orthotopic Xenograft Mouse Model. Transl Oncol 2019; 13:393-400. [PMID: 31896528 PMCID: PMC6940643 DOI: 10.1016/j.tranon.2019.10.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 10/09/2019] [Accepted: 10/09/2019] [Indexed: 12/12/2022] Open
Abstract
Adult pleomorphic rhabdomyosarcoma (RMS) is a rare and malignant mesenchymal tumor. Recently, we developed a patient-derived orthotopic xenograft (PDOX) model of adult pleomorphic RMS. In the present study, we evaluated the efficacy of tumor-targeting Salmonella typhimurium (S. typhimurium) A1-R combined with caffeine (CAF) and valproic acid (VPA) on the adult RMS PDOX. An adult pleomorphic RMS cell line was established from the PDOX model. Cell survival after exposure to CAF and VPA was assessed, and the IC50 value was calculated for each drug. The RMS PDOX models were randomized into five groups: untreated control; tumor treated with cyclophosphamide (CPA); tumor treated with CAF + VPA; tumor treated with S. typhimurium A1-R; and tumor treated with S. typhimurium A1-R + CAF + VPA. Tumor size and body weight was measured twice a week. VPA caused a concentration-dependent cytocidal effect. A synergistic effect of combination treatment with CAF was observed against the RMS cell line. For the in vivo study, all treatments significantly inhibited tumor growth compared with the untreated control. S. typhimurium A1-R combined with VPA and CAF was significantly more effective than CPA, VPA combined with CAF, or S. typhimurium A1-R alone and significantly regressed the tumor volume compared with day 0. These results suggest that S. typhimurium A1-R together with VPA and CAF could regresses an adult pleomorphic RMS in a PDOX model and therefore has important future clinical potential.
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Affiliation(s)
- Kentaro Igarashi
- AntiCancer, Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA; Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Kei Kawaguchi
- AntiCancer, Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Ming Zhao
- AntiCancer, Inc., San Diego, CA, USA
| | - Tasuku Kiyuna
- AntiCancer, Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Kentaro Miyake
- AntiCancer, Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Masuyo Miyake
- AntiCancer, Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Scott D Nelson
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Sarah M Dry
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Yunfeng Li
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Norio Yamamoto
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Katsuhiro Hayashi
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Hiroaki Kimura
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Shinji Miwa
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Takashi Higuchi
- AntiCancer, Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA; Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Shree Ram Singh
- Basic Research Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, MD, USA.
| | - Hiroyuki Tsuchiya
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan.
| | - Robert M Hoffman
- AntiCancer, Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA.
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20
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McCall SJ, Dry SM. Precision Pathology as Part of Precision Medicine: Are We Optimizing Patients’ Interests in Prioritizing Use of Limited Tissue Samples? JCO Precis Oncol 2019; 3:1-6. [DOI: 10.1200/po.18.00238] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Affiliation(s)
| | - Sarah M. Dry
- University of California at Los Angeles, Los Angeles, CA
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21
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Tsuda Y, Dickson BC, Dry SM, Federman N, Suurmeijer AJH, Swanson D, Sung YS, Zhang L, Healey JH, Antonescu CR. Clinical and molecular characterization of primary sclerosing epithelioid fibrosarcoma of bone and review of the literature. Genes Chromosomes Cancer 2019; 59:217-224. [PMID: 31675134 DOI: 10.1002/gcc.22822] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Revised: 10/23/2019] [Accepted: 10/30/2019] [Indexed: 02/03/2023] Open
Abstract
Sclerosing epithelioid fibrosarcoma (SEF) is a rare sarcoma subtype characterized by monomorphic epithelioid cells embedded in a densely sclerotic collagenous matrix. The overwhelming majority of tumors arise in soft tissues; however, rare cases have been documented to occur primarily in bone. The hallmarks of soft tissue SEF include MUC4 immunoreactivity and the presence of an EWSR1-CREB3L1 fusion. Rare cases with alternative fusions have also been reported such as EWSR1-CREB3L2 and FUS-CREB3L2 transcripts. The molecular alterations of skeletal SEF have not been well-defined, with only rare cases analyzed to date. In this study we investigated the clinicopathologic and molecular features of seven patients presenting with primary osseous SEF. There were 3 males and 4 females, with a mean age at diagnosis of 38 years. All cases had microscopic features within the histologic spectrum of SEF and showed strong and diffuse MUC4 positivity, while lacking SATB2 expression. However, due to its unusual presentation within bone, four cases were initially misinterpreted as either osteosarcoma, Ewing sarcoma or chondroblastoma. Half of the patients with follow-up data developed metastasis. The cases were tested by targeted RNA sequencing, MSK-IMPACT, and/or fluorescence in situ hybridization, showing EWSR1-CREB3L1 in six cases and EWSR1-CREB3L2 in one case. The fusion transcripts were composed of EWSR1 exon 11 to either exon 6 of CREB3L1 or CREB3L2. In summary, due to their rarity in the bone, skeletal SEF are often misdiagnosed, resulting in inadequate treatment modalities. Similar to their soft tissue counterpart, bone SEF follow an aggressive clinical behavior and show similar EWSR1-CREB3L1/CREB3L2 fusions.
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Affiliation(s)
- Yusuke Tsuda
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Brendan C Dickson
- Department of Pathology & Laboratory Medicine, Mount Sinai Hospital, Toronto, Canada
| | - Sarah M Dry
- Department of Pathology, UCLA Medical Center, Santa Monica, California
| | - Noah Federman
- Department of Pediatrics, UCLA David Geffen School of Medicine, Los Angeles, California.,Department of Orthopaedics, UCLA David Geffen School of Medicine, Los Angeles, California
| | - Albert J H Suurmeijer
- Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - David Swanson
- Department of Pathology & Laboratory Medicine, Mount Sinai Hospital, Toronto, Canada
| | - Yun-Shao Sung
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Lei Zhang
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - John H Healey
- Department of Orthopedic Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Cristina R Antonescu
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York
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22
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Igarashi K, Kawaguchi K, Murakami T, Miyake K, Kiyuna T, Miyake M, Hiroshima Y, Higuchi T, Oshiro H, Nelson SD, Dry SM, Li Y, Yamamoto N, Hayashi K, Kimura H, Miwa S, Singh SR, Tsuchiya H, Hoffman RM. Patient-derived orthotopic xenograft models of sarcoma. Cancer Lett 2019; 469:332-339. [PMID: 31639427 DOI: 10.1016/j.canlet.2019.10.028] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 10/15/2019] [Accepted: 10/17/2019] [Indexed: 12/15/2022]
Abstract
Sarcoma is a rare and recalcitrant malignancy. Although immune and novel targeted therapies have been tested on many cancer types, few sarcoma patients have had durable responses with such therapy. Doxorubicin and cisplatinum are still first-line chemotherapy after four decades. Our laboratory has established the patient-derived orthotopic xenograft (PDOX) model using surgical orthotopic implantation (SOI). Many promising results have been obtained using the sarcoma PDOX model for identifying effective approved drugs and experimental therapeutics, as well as combinations of them for individual patients. In this review, we present our laboratory's experience with PDOX models of sarcoma, and the ability of the PDOX models to identify effective approved agents, as well as experimental therapeutics.
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Affiliation(s)
- Kentaro Igarashi
- AntiCancer, Inc, San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA; Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Kei Kawaguchi
- AntiCancer, Inc, San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Takashi Murakami
- AntiCancer, Inc, San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Kentaro Miyake
- AntiCancer, Inc, San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Tasuku Kiyuna
- AntiCancer, Inc, San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Masuyo Miyake
- AntiCancer, Inc, San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Yukihiko Hiroshima
- AntiCancer, Inc, San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Takashi Higuchi
- AntiCancer, Inc, San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA; Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Hiromichi Oshiro
- AntiCancer, Inc, San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Scott D Nelson
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Sarah M Dry
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Yunfeng Li
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Norio Yamamoto
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Katsuhiro Hayashi
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Hiroaki Kimura
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Shinji Miwa
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Shree Ram Singh
- Basic Research Laboratory, National Cancer Institute, Frederick, MD, USA.
| | - Hiroyuki Tsuchiya
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan.
| | - Robert M Hoffman
- AntiCancer, Inc, San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA.
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23
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Gkouveris I, Hadaya D, Soundia A, Bezouglaia O, Chau Y, Dry SM, Pirih FQ, Aghaloo TL, Tetradis S. Vasculature submucosal changes at early stages of osteonecrosis of the jaw (ONJ). Bone 2019; 123:234-245. [PMID: 30953717 PMCID: PMC6763394 DOI: 10.1016/j.bone.2019.03.031] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Revised: 03/16/2019] [Accepted: 03/22/2019] [Indexed: 02/09/2023]
Abstract
Osteonecrosis of the jaw (ONJ), a rare, but potentially severe side effect of anti-resorptive medications, presents as exposed bone in the maxillofacial region lasting for at least 8 weeks. While clinical experience and animal models concur in finding that systemic antiresorptive treatment in conjunction with local risk factors, such as tooth extraction or dental disease may lead to ONJ development, the subclinical molecular changes that precede bone exposure remain poorly understood. The identification of these changes is not only important in understanding disease pathophysiology, but could provide potential for treatment development. Here, we evaluated the early stages of ONJ utilizing a model of experimental periodontitis (EP) in mice treated with two different types of antiresorptives, targeting potential changes in vasculature, hypoxia, oxidative stress, and apoptosis. Antiresorptive treatment in animals with EP increased levels of empty osteocytic lacunae and increased ONJ prevalence compared to Veh animals. The arteriole and venule network seen around EP areas was diminished in animals treated with antiresorptives. Higher levels of vascular endothelial growth factor A (VEGF-A) and vascular cell adhesion protein-1 (VCAM-1) were observed 1-week following EP in treated animals. Finally, levels of hypoxia, oxidative stress, and apoptosis remained high in antiresorptive treated animals with EP through the duration of the experiment. Together, our data point to subclinical vasculature organizational disturbances that subsequently affect levels of hypoxia, oxidative stress, and apoptosis in the area of developing ONJ.
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Affiliation(s)
- Ioannis Gkouveris
- Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA 90095, USA
| | - Danny Hadaya
- Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA 90095, USA
| | - Akrivoula Soundia
- Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA 90095, USA
| | - Olga Bezouglaia
- Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA 90095, USA
| | - Yee Chau
- Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA 90095, USA
| | - Sarah M Dry
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095, USA
| | - Flavia Q Pirih
- Division of Constitutive and Regenerative Sciences, UCLA School of Dentistry, Los Angeles, CA 90095, USA
| | - Tara L Aghaloo
- Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA 90095, USA.
| | - Sotirios Tetradis
- Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA 90095, USA.
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24
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Eckardt MA, Graham DS, Singh AS, Chmielowski B, Federman N, Kalbasi A, Bernthal NM, Bukata SV, Hornicek FJ, Yanagawa J, Levine BD, Motamedi K, Seeger LL, Eckardt JJ, Eilber FR, Dry SM, Nelson SD, Eilber FC. Pathologic discordance in sarcomas: Prospective comparison of external and sarcoma center pathologic diagnosis. J Clin Oncol 2019. [DOI: 10.1200/jco.2019.37.15_suppl.11020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
11020 Background: With more than 80 different histologic subtypes, sarcomas are a unique pathologic challenge. As therapeutic decisions have become histology-specific, obtaining an accurate pathologic diagnosis is critical in guiding treatment decisions. The aim of this study is to determine the discordance between the diagnosis rendered by an external non-specialized pathologist and pathologic re-review by a specialized sarcoma pathologist at a high-volume sarcoma center. Methods: Patients who presented at the UCLA Multidisciplinary Sarcoma Conference (MSC) in 2017 that had a pathologic diagnosis from an outside facility were included in this study. All specimens underwent pathologic re-review at UCLA by an experienced sarcoma pathologist. The pathology was classified as concordant (identical diagnoses), minor discordance (difference with minor impact on prognosis/therapy) and major discordance (difference with significant impact on prognosis/therapy). Results: 1350 patients were presented at the UCLA MSC in 2017. Of the 635 new patients, 196 presented with an outside pathologic diagnosis and underwent pathologic re-review at UCLA. 44% (n = 87) were concordant, 22% (n = 43) had minor discordance, and 34% (n = 66) had major discordance. Major discordance included substantial discrepancies in histologic subtype (n = 24, 36%), benign/malignant mismatch (n = 23, 35%), diagnostic from non-diagnostic (n = 12, 18%) and major grading discrepancy (n = 7, 11%). Major discordance was most often seen in biopsies [needle (n = 27, 32%), incisional (n = 30, 44%)] as compared to resection (n = 9, 21%). Conclusions: 56% of external non-specialized sarcoma pathologic diagnoses were discordant from specialized sarcoma pathologist review, 34% of which were major discordances. Pathologic re-review of a presumed sarcoma by a specialized sarcoma pathologist is critical for both patient care and investigational studies. [Table: see text]
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Affiliation(s)
- Mark A. Eckardt
- Department of Surgery, Yale School of Medicine, New Haven, CT
| | - Danielle S. Graham
- Department of Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Arun S. Singh
- Division of Hematology-Oncology, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Bartosz Chmielowski
- Division of Hematology-Oncology, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Noah Federman
- Department of Pediatrics, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Anusha Kalbasi
- Department of Radiation Oncology, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Nicholas M. Bernthal
- Department of Orthopaedic Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Susan V. Bukata
- Department of Orthopaedic Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Francis J. Hornicek
- Department of Orthopaedic Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Jane Yanagawa
- Division of Thoracic Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Benjamin D. Levine
- Department of Radiological Sciences, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Kambiz Motamedi
- Department of Radiological Sciences, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Leanne L. Seeger
- Department of Radiological Sciences, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Jeffrey J. Eckardt
- Department of Orthopaedic Surgery, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Frederick R. Eilber
- Division of Surgical Oncology, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Sarah M. Dry
- Department of Pathology & Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Scott D. Nelson
- Department of Pathology & Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Frederick C. Eilber
- Division of Surgical Oncology, David Geffen School of Medicine at UCLA, Los Angeles, CA
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25
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Igarashi K, Kawaguchi K, Kiyuna T, Miyake K, Miyake M, Nelson SD, Russell TA, Dry SM, Li Y, Yamamoto N, Hayashi K, Kimura H, Miwa S, Higuchi T, Singh SR, Tsuchiya H, Hoffman RM. Pazopanib regresses a doxorubicin-resistant synovial sarcoma in a patient-derived orthotopic xenograft mouse model. Tissue Cell 2019; 58:107-111. [PMID: 31133237 DOI: 10.1016/j.tice.2019.04.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Accepted: 04/29/2019] [Indexed: 12/16/2022]
Abstract
Synovial sarcoma (SS) is an aggressive subgroup of soft tissue sarcoma (STS) with high grade and high risk of metastasis. However, there are no systemic therapies available that target SS. Therefore, transformative therapy is needed for SS. To establish a patient-derived orthotopic xenograft (PDOX) model, a patient tumor with high grade SS from a lower extremity was grown orthotopically in the right biceps femoris muscle of mice. To test the efficacy of drugs, the PDOX models were randomized into five groups: Group 1 (G1), control-without treatment; Group 2 (G2), doxorubicin (DOX); Group 3 (G3), temozolomide (TEM); Group 4 (G4), gemcitabine (GEM) combined with docetaxel (DOC); and Group 5 (G5), pazopanib (PAZ). Tumor size and body weight were measured twice a week for each treatment group. A significant growth inhibition was found on day 14 in each treatment group compared to the untreated control, except for DOX. However, PAZ was significantly more effective than both TEM and GEM + DOC. In addition, PAZ significantly regressed the tumor volume on day 14 compared to day 0. No change was found in body weight on day 14 compared to day 0 in any treatment group. The present study demonstrated the precision of the SS PDOX models for individualizing SS therapy.
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Affiliation(s)
- Kentaro Igarashi
- AntiCancer, Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA; Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Kei Kawaguchi
- AntiCancer, Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Tasuku Kiyuna
- AntiCancer, Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Kentaro Miyake
- AntiCancer, Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Masuyo Miyake
- AntiCancer, Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Scott D Nelson
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Tara A Russell
- Division of Surgical Oncology, University of California, Los Angeles, CA, USA
| | - Sarah M Dry
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Yunfeng Li
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Norio Yamamoto
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Katsuhiro Hayashi
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Hiroaki Kimura
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Shinji Miwa
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Takashi Higuchi
- AntiCancer, Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA; Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Shree Ram Singh
- Basic Research Laboratory, National Cancer Institute, Frederick, MD, USA.
| | - Hiroyuki Tsuchiya
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan.
| | - Robert M Hoffman
- AntiCancer, Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA.
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26
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Higuchi T, Kawaguchi K, Miyake K, Oshiro H, Zhang Z, Razmjooei S, Wangsiricharoen S, Igarashi K, Yamamoto N, Hayashi K, Kimura H, Miwa S, Nelson SD, Dry SM, Li Y, Chawla SP, Eilber FC, Singh SR, Tsuchiya H, Hoffman RM. The combination of gemcitabine and nab-paclitaxel as a novel effective treatment strategy for undifferentiated soft-tissue sarcoma in a patient-derived orthotopic xenograft (PDOX) nude-mouse model. Biomed Pharmacother 2019; 111:835-840. [PMID: 30616082 DOI: 10.1016/j.biopha.2018.12.110] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 12/12/2018] [Accepted: 12/23/2018] [Indexed: 12/19/2022] Open
Abstract
Undifferentiated/unclassified soft-tissue sarcomas (USTS) is recalcitrant neoplasms that is usually treated with doxorubicin (DOX)-containing regimens as first-line therapy. Nanoparticle albumin-bound paclitaxel (nab-PTX) is a nanotechnology-based drug and is widely used in pancreatic cancer in combination with gemcitabine (GEM). The major goal of the present study was to determine the efficacy of nab-PTX in combination with GEM, compared to conventional drugs such as docetaxel (DOC), GEM combined with DOC, or first-line drug DOX on a USTS not-otherwise specified (USTS/NOS) from a striated muscle implanted in the right biceps femoris muscle of nude mice to establish a patient-derived orthotopic xenograft (PDOX) model. USTS PDOX models were randomized into six groups: untreated control; DOX; DOC; nab-PTX; GEM combined with DOC; and GEM combined with nab-PTX. Tumor size and body weight were measured. Tumor growth was inhibited to the greatest extent by GEM combined with nab-PTX. Tumors treated with GEM combined with nab-PTX had the most necrosis. Body weight of the treated mice was not significantly different from the untreated controls. The present study demonstrates the power of the PDOX model to identify a novel effective treatment strategy of the combination of GEM and nab-PTX for recalcitrant soft-tissue sarcomas. These results suggest that combination of GEM and nab-PTX could be a promising therapeutic strategy for USTS.
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Affiliation(s)
- Takashi Higuchi
- AntiCancer, Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA; Department of Orthopedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Kei Kawaguchi
- AntiCancer, Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Kentaro Miyake
- AntiCancer, Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Hiromichi Oshiro
- AntiCancer, Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Zhiying Zhang
- AntiCancer, Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | | | | | - Kentaro Igarashi
- AntiCancer, Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA; Department of Orthopedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Norio Yamamoto
- Department of Orthopedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Katsuhiro Hayashi
- Department of Orthopedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Hiroaki Kimura
- Department of Orthopedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Shinji Miwa
- Department of Orthopedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Scott D Nelson
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Sarah M Dry
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Yunfeng Li
- Department of Pathology, University of California, Los Angeles, CA, USA
| | | | - Frederick C Eilber
- Division of Surgical Oncology, University of California, Los Angeles, CA, USA
| | - Shree Ram Singh
- Basic Research Laboratory, National Cancer Institute, Frederick, MD, USA.
| | - Hiroyuki Tsuchiya
- Department of Orthopedic Surgery, Kanazawa University, Kanazawa, Japan.
| | - Robert M Hoffman
- AntiCancer, Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA.
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27
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Hadaya D, Gkouveris I, Soundia A, Bezouglaia O, Boyce RW, Stolina M, Dwyer D, Dry SM, Pirih FQ, Aghaloo TL, Tetradis S. Clinically Relevant Doses of Sclerostin Antibody Do Not Induce Osteonecrosis of the Jaw (ONJ) in Rats with Experimental Periodontitis. J Bone Miner Res 2019; 34:171-181. [PMID: 30184271 PMCID: PMC6448152 DOI: 10.1002/jbmr.3581] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Revised: 08/13/2018] [Accepted: 08/25/2018] [Indexed: 12/31/2022]
Abstract
Antiresorptive agents, such as bisphosphonates and denosumab, are frequently used for the management of osteoporosis. Indeed, both medications decrease the risk of osteoporotic fractures; however, these medications are associated with rare but potentially severe side effects, such as osteonecrosis of the jaw (ONJ). ONJ, defined as an area of exposed bone in the maxillofacial region that lasts for 8 weeks, often presents with significant pain and infection and can lead to serious complications. Interestingly, other treatments for osteoporosis have been developed, such as antibodies against the osteocyte-secreted protein, sclerostin. Sclerostin functions to inhibit the Wnt signaling cascade, leading to inhibition of bone formation. In clinical trials, a sclerostin antibody (romosozumab, Amgen Inc., UCB Brussels) increases bone formation and lowers the risk of osteoporotic fractures. However, in conjunction with increased osteoblastic activity, a reduction in bone resorption markers is observed. This antiresorptive effect raises the concern of possible ONJ development in patients treated with sclerostin antibodies. Here, utilizing ligature-induced experimental periodontitis (EP), we evaluated the effects of sclerostin inhibition on the development of ONJ-like lesions in ovariectomized rats. Beginning 8 weeks post-ovariectomy, rats were treated for 22 weeks with weekly injections of vehicle (Veh), 200 μg/kg zoledronic acid (ZA), a potent bisphosphonate at 100-fold the osteoporosis dose, or 5 mg/kg sclerostin antibody (Scl-Ab) at the osteoporotic dose. EP was initiated at week 12 and maintained for the remainder of the study. Scl-Ab treatment transiently increased serum P1NP, a bone formation marker, increased BV/TV, and decreased eroded surfaces in lumbar vertebrae. ZA-treated rats developed histologic features of ONJ, whereas Veh-treated controls did not. Scl-Ab animals lost less periodontal bone in sites with EP. However, these animals presented with no histologic signs of ONJ. In conclusion, sclerostin inhibition enhanced structural bone parameters, without inducing ONJ-like lesions, in ovariectomized rats with EP. © 2018 American Society for Bone and Mineral Research.
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Affiliation(s)
- Danny Hadaya
- Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA, USA
| | - Ioannis Gkouveris
- Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA, USA
| | - Akrivoula Soundia
- Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA, USA
| | - Olga Bezouglaia
- Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA, USA
| | - Rogely W Boyce
- Comparative Biology and Safety Sciences, Amgen Inc., Thousand Oaks, CA, USA
| | - Marina Stolina
- Discovery Research Department, Amgen Inc., Thousand Oaks, CA, USA
| | - Denise Dwyer
- Discovery Research Department, Amgen Inc., Thousand Oaks, CA, USA
| | - Sarah M Dry
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Flavia Q Pirih
- Division of Constitutive and Regenerative Sciences, UCLA School of Dentistry, Los Angeles, CA, USA
| | - Tara L Aghaloo
- Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA, USA
| | - Sotirios Tetradis
- Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA, USA
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28
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Kiyuna T, Tome Y, Murakami T, Miyake K, Igarashi K, Kawaguchi K, Oshiro H, Higuchi T, Miyake M, Sugisawa N, Zhang Z, Razmjooei S, Wangsiricharoen S, Chmielowski B, Nelson SD, Russell TA, Dry SM, Li Y, Eckardt MA, Singh AS, Chawla S, Kanaya F, Eilber FC, Singh SR, Zhao M, Hoffman RM. A combination of irinotecan/cisplatinum and irinotecan/temozolomide or tumor-targeting Salmonella typhimurium A1-R arrest doxorubicin- and temozolomide-resistant myxofibrosarcoma in a PDOX mouse model. Biochem Biophys Res Commun 2018; 505:733-739. [PMID: 30292411 DOI: 10.1016/j.bbrc.2018.09.106] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Accepted: 09/16/2018] [Indexed: 12/22/2022]
Abstract
Myxofibrosarcoma (MFS) is the most common sarcomas in elderly patients and is either chemo-resistant or recurs with metastasis after chemotherapy. This recalcitrant cancer in need of improved treatment. We have established a patient-derived orthotopic xenograft (PDOX) of MFS. The MFS PDOX model was established in the biceps femoris of nude mice and randomized into 7 groups of 7 mice each: control; doxorubicin (DOX); pazopanib (PAZ); temozolomide (TEM); Irinotecan (IRN); IRN combined with TEM; IRN combined with cisplatinum (CDDP) and Salmonella typhimurium A1-R (S. typhimurium A1-R). Treatment was evaluated by relative tumor volume and relative body weight. The MFS PDOX models were DOX, PAZ, and TEM resistant. IRN combined with TEM and IRN combined with CDDP were most effective on the MFS PDOX. S. typhimurium A1-R arrested the MFS PDOX tumor. There was no significant body weight loss in any group. The present study suggests that the combination of IRN with either TEM or CDDP, and S. typhimurium have clinical potential for MFS.
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Affiliation(s)
- Tasuku Kiyuna
- AntiCancer Inc, San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA; Department of Orthopedic Surgery, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan
| | - Yasunori Tome
- Department of Orthopedic Surgery, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan.
| | - Takashi Murakami
- AntiCancer Inc, San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Kentaro Miyake
- AntiCancer Inc, San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Kentaro Igarashi
- AntiCancer Inc, San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Kei Kawaguchi
- AntiCancer Inc, San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Hiromichi Oshiro
- AntiCancer Inc, San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Takashi Higuchi
- AntiCancer Inc, San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Masuyo Miyake
- AntiCancer Inc, San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Norihiko Sugisawa
- AntiCancer Inc, San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Zhiying Zhang
- AntiCancer Inc, San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | | | | | | | - Scott D Nelson
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Tara A Russell
- Division of Surgical Oncology, University of California, Los Angeles, CA, USA
| | - Sarah M Dry
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Yunfeng Li
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Mark A Eckardt
- Department of Surgery, Yale School of Medicine, New Haven, CT, USA
| | - Arun S Singh
- Div. of Hematology-Oncology, University of California, Los Angeles, CA, USA
| | - Sant Chawla
- Sarcoma Oncology Center, Santa Monica, CA, USA.
| | - Fuminori Kanaya
- Department of Orthopedic Surgery, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan
| | - Fritz C Eilber
- Division of Surgical Oncology, University of California, Los Angeles, CA, USA.
| | - Shree Ram Singh
- Basic Research Laboratory, National Cancer Institute, Frederick, MD, USA.
| | | | - Robert M Hoffman
- AntiCancer Inc, San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA.
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29
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Kawaguchi K, Higuchi T, Li S, Han Q, Tan Y, Igarashi K, Zhao M, Miyake K, Kiyuna T, Miyake M, Ohshiro H, Sugisawa N, Zhang Z, Razmjooei S, Wangsiricharoen S, Chmielowski B, Nelson SD, Russell TA, Dry SM, Li Y, Eckardt MA, Singh AS, Singh SR, Eilber FC, Unno M, Hoffman RM. Combination therapy of tumor-targeting Salmonella typhimurium A1-R and oral recombinant methioninase regresses a BRAF-V600E-negative melanoma. Biochem Biophys Res Commun 2018; 503:3086-3092. [DOI: 10.1016/j.bbrc.2018.08.097] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2018] [Accepted: 08/13/2018] [Indexed: 01/10/2023]
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30
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Kawaguchi K, Igarashi K, Miyake K, Kiyuna T, Miyake M, Singh AS, Chmielowski B, Nelson SD, Russell TA, Dry SM, Li Y, Unno M, Singh SR, Eilber FC, Hoffman RM. Patterns of sensitivity to a panel of drugs are highly individualised for undifferentiated/unclassified soft tissue sarcoma (USTS) in patient-derived orthotopic xenograft (PDOX) nude-mouse models. J Drug Target 2018; 27:211-216. [PMID: 30024282 DOI: 10.1080/1061186x.2018.1499748] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Undifferentiated/unclassified soft tissue sarcoma (USTS) is a recalcitrant disease; therefore, precise individualised therapy is needed. Toward this goal, we previously established patient-derived orthotopic xenograft (PDOX) models of USTS in nude mice. Here, we determined the extent of uniqueness of drug response in a panel on USTS PDOX models from 5 different patients. We previously showed that 3 of the 5 patients were resistant to doxorubicin (DOX) despite DOX being first-line therapy. Two weeks after orthotopic tumour implantation, PDOX mouse models were randomised into five groups: untreated control, DOX, gem-citabine/docetaxel (GEM/DOC), pazopanib (PAZ), temozolomide (TEM). Three PDOX cases were completely resistant to DOX. TEM had high efficacy for 4 USTS PDOX models, including DOX-resistant cases. GEM/DOC and PAZ were effective in three USTS PDOX. One case was completely resistant to TEM. Two cases were completely resistant to PAZ. The results showed the drug sensitivity pattern for each USTS PDOX was highly individualised and that at least one effective drug could be found for each. The PDOX model could be effective in precise individualised drug sensitivity testing which is especially important for heterogeneous cancers such as USTS, and can give the patient a greater chance to be treated with an effective drug.
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Affiliation(s)
- Kei Kawaguchi
- a AntiCancer, Inc , San Diego , CA , USA.,b Department of Surgery , University of California , San Diego , CA, USA.,c Department of Surgery, Graduate School of Medicine , Tohoku University , Sendai , Japan
| | - Kentaro Igarashi
- a AntiCancer, Inc , San Diego , CA , USA.,b Department of Surgery , University of California , San Diego , CA, USA
| | - Kentaro Miyake
- a AntiCancer, Inc , San Diego , CA , USA.,b Department of Surgery , University of California , San Diego , CA, USA
| | - Tasuku Kiyuna
- a AntiCancer, Inc , San Diego , CA , USA.,b Department of Surgery , University of California , San Diego , CA, USA
| | - Masuyo Miyake
- a AntiCancer, Inc , San Diego , CA , USA.,b Department of Surgery , University of California , San Diego , CA, USA
| | - Arun S Singh
- d Division of Hematology-Oncology , University of California , Los Angeles , CA, USA
| | - Bartosz Chmielowski
- d Division of Hematology-Oncology , University of California , Los Angeles , CA, USA
| | - Scott D Nelson
- e Department of Pathology , University of California , Los Angeles , CA, USA
| | - Tara A Russell
- f Division of Surgical Oncology , University of California , Los Angeles , CA, USA
| | - Sarah M Dry
- e Department of Pathology , University of California , Los Angeles , CA, USA
| | - Yunfeng Li
- e Department of Pathology , University of California , Los Angeles , CA, USA
| | - Michiaki Unno
- c Department of Surgery, Graduate School of Medicine , Tohoku University , Sendai , Japan
| | - Shree Ram Singh
- g Basic Research Laboratory , National Cancer Institute , Frederick , MD, USA
| | - Fritz C Eilber
- f Division of Surgical Oncology , University of California , Los Angeles , CA, USA
| | - Robert M Hoffman
- a AntiCancer, Inc , San Diego , CA , USA.,b Department of Surgery , University of California , San Diego , CA, USA
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31
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Hadaya D, Soundia A, Gkouveris I, Dry SM, Aghaloo TL, Tetradis S. Development of Medication-Related Osteonecrosis of the Jaw After Extraction of Teeth With Experimental Periapical Disease. J Oral Maxillofac Surg 2018; 77:71-86. [PMID: 30218655 DOI: 10.1016/j.joms.2018.08.010] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Revised: 08/01/2018] [Accepted: 08/01/2018] [Indexed: 12/25/2022]
Abstract
PURPOSE Medication-related osteonecrosis of the jaw (MRONJ) is a rare but severe side effect of antiresorptive medications. Most animal models use tooth extraction as an instigating local factor to induce MRONJ, with varied results. However, these teeth are healthy and absent of dental disease, a rare finding that does not reflect clinical practices. The authors hypothesized that extraction of teeth with periapical inflammation would lead to MRONJ in rats treated with high-dose bisphosphonates. MATERIALS AND METHODS Rats were pretreated with zoledronic acid (ZA) for 1 week. Pulp exposure (PE) was established by exposing the pulpal chamber of the first and second molars. Experimental periapical disease (EPD) was induced by PE and bacterial inoculation into pulp chambers of the first and second mandibular molars. The mandibular molars were extracted 4 weeks after PE or EPD, and animals were euthanized 4 weeks after tooth extraction. Extraction sockets were assessed clinically, radiographically, and histologically. RESULTS Clinically, radiographically, and histologically, socket healing was observed in all vehicle-treated animals and in ZA-treated animals after extraction of healthy teeth or teeth with PE. In contrast, bone exposure, lack of socket healing, and osteonecrosis were present in most ZA-treated animals after extraction of teeth with EPD. Bacterial presence was noted in areas of osteonecrotic alveolar bone. CONCLUSION These data support a synergistic contribution of severe dental disease and tooth extraction to MRONJ pathogenesis. Importantly, this model is amenable to manipulation of methodologic conditions for the dissection of parameters involved in MRONJ pathogenesis.
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Affiliation(s)
- Danny Hadaya
- Graduate Student, Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA
| | - Akrivoula Soundia
- Graduate Student, Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA
| | - Ioannis Gkouveris
- Post-doctoral Fellow, Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA
| | - Sarah M Dry
- Professor, Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Tara L Aghaloo
- Professor, Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA.
| | - Sotirios Tetradis
- Professor, Division of Diagnostic and Surgical Sciences, UCLA School of Dentistry, Los Angeles, CA.
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32
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Kiyuna T, Tome Y, Murakami T, Kawaguchi K, Igarashi K, Miyake K, Miyake M, Li Y, Nelson SD, Dry SM, Singh AS, Russell TA, Elliott I, Singh SR, Kanaya F, Eilber FC, Hoffman RM. Trabectedin arrests a doxorubicin-resistant PDGFRA-activated liposarcoma patient-derived orthotopic xenograft (PDOX) nude mouse model. BMC Cancer 2018; 18:840. [PMID: 30126369 PMCID: PMC6102848 DOI: 10.1186/s12885-018-4703-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Accepted: 07/30/2018] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Pleomorphic liposarcoma (PLPS) is a rare, heterogeneous and an aggressive variant of liposarcoma. Therefore, individualized therapy is urgently needed. Our recent reports suggest that trabectedin (TRAB) is effective against several patient-derived orthotopic xenograft (PDOX) mouse models. Here, we compared the efficacy of first-line therapy, doxorubicin (DOX), and TRAB in a platelet-derived growth factor receptor-α (PDGFRA)-amplified PLPS. METHODS We used a fresh sample of PLPS tumor derived from a 68-year-old male patient diagnosed with a recurrent PLPS. Subcutaneous implantation of tumor tissue was performed in a nude mouse. After three weeks of implantation, tumor tissues were isolated and cut into small pieces. To match the patient a PDGFRA-amplified PLPS PDOX was created in the biceps femoris of nude mice. Mice were randomized into three groups: Group 1 (G1), control (untreated); Group 2 (G2), DOX-treated; Group 3 (G3), TRAB-treated. Measurement was done twice a week for tumor width, length, and mouse body weight. RESULTS The PLPS PDOX showed resistance towards DOX. However, TRAB could arrest the PLPS (p < 0.05 compared to control; p < 0.05 compared to DOX) without any significant changes in body-weight. CONCLUSIONS The data presented here suggest that for the individual patient the PLPS PDOX model could specifically distinguish both effective and ineffective drugs. This is especially crucial for PLPS because effective first-line therapy is harder to establish if it is not individualized.
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Affiliation(s)
- Tasuku Kiyuna
- AntiCancer Inc., San Diego, CA, USA.,Department of Surgery, University of California, San Diego, CA, USA.,Department of Orthopedic Surgery, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan
| | - Yasunori Tome
- Department of Orthopedic Surgery, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan.
| | - Takashi Murakami
- AntiCancer Inc., San Diego, CA, USA.,Department of Surgery, University of California, San Diego, CA, USA
| | - Kei Kawaguchi
- AntiCancer Inc., San Diego, CA, USA.,Department of Surgery, University of California, San Diego, CA, USA
| | - Kentaro Igarashi
- AntiCancer Inc., San Diego, CA, USA.,Department of Surgery, University of California, San Diego, CA, USA
| | - Kentaro Miyake
- AntiCancer Inc., San Diego, CA, USA.,Department of Surgery, University of California, San Diego, CA, USA
| | - Masuyo Miyake
- AntiCancer Inc., San Diego, CA, USA.,Department of Surgery, University of California, San Diego, CA, USA
| | - Yunfeng Li
- Department of Surgery, University of California, Los Angeles, CA, USA
| | - Scott D Nelson
- Department of Surgery, University of California, Los Angeles, CA, USA
| | - Sarah M Dry
- Department of Surgery, University of California, Los Angeles, CA, USA
| | - Arun S Singh
- Division of Hematology-Oncology, University of California, Los Angeles, CA, USA
| | - Tara A Russell
- Division of Surgical Oncology, University of California, Los Angeles, CA, USA
| | - Irmina Elliott
- Division of Surgical Oncology, University of California, Los Angeles, CA, USA
| | - Shree Ram Singh
- Basic Research Laboratory, National Cancer Institute, Frederick, MD, USA.
| | - Fuminori Kanaya
- Department of Orthopedic Surgery, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan
| | - Fritz C Eilber
- Division of Surgical Oncology, University of California, Los Angeles, CA, USA.
| | - Robert M Hoffman
- AntiCancer Inc., San Diego, CA, USA. .,Department of Surgery, University of California, San Diego, CA, USA.
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Kiyuna T, Tome Y, Murakami T, Zhao M, Miyake K, Igarashi K, Kawaguchi K, Miyake M, Oshiro H, Higuchi T, Li Y, Dry SM, Nelson SD, Russell TA, Eckardt MA, Singh AS, Kanaya F, Eilber FC, Hoffman RM. Tumor-targeting Salmonella typhimurium A1-R arrests a doxorubicin-resistant PDGFRA-amplified patient-derived orthotopic xenograft mouse model of pleomorphic liposarcoma. J Cell Biochem 2018; 119:7827-7833. [PMID: 29932244 DOI: 10.1002/jcb.27183] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Accepted: 05/24/2018] [Indexed: 01/06/2023]
Abstract
Pleomorphic liposarcoma (PLPS) is a recalcitrant soft-tissue sarcoma (STS) subtype in need of transformative therapy. We have previously established a patient-derived orthotopic xenograft (PDOX) model, of PLPS with PDGFRA amplification, using surgical orthotopic implantation. In the current study, the PLPS PDOX model was randomized into 3 groups of 7 mice each: untreated control; doxorubicin (DOX)-treated; and treated with Salmonella typhimurium A1-R (S. typhimurium A1-R) expressing green fluorescent protein (GFP). Tumor volume and body weight were monitored during the treatment period. The PLPS PDOX was resistant to DOX. In contrast, the PLPS PDOX was highly sensitive to S. typhimurium A1-R. There was no significant body-weight loss among these 3 groups. Fluorescence imaging demonstrated that S. typhimurium A1-R-GFP was very effective to target the PLPS PDOX tumor. The current study demonstrates that a PLPS PDOX, resistant to first-line therapy DOX, was highly sensitive to tumor targeting S. typhimurium A1-R.
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Affiliation(s)
- Tasuku Kiyuna
- AntiCancer Inc, San Diego, California.,Department of Surgery, University of California, San Diego, California.,Department of Orthopedic Surgery, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan
| | - Yasunori Tome
- Department of Orthopedic Surgery, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan
| | - Takashi Murakami
- AntiCancer Inc, San Diego, California.,Department of Surgery, University of California, San Diego, California
| | - Ming Zhao
- AntiCancer Inc, San Diego, California
| | - Kentaro Miyake
- AntiCancer Inc, San Diego, California.,Department of Surgery, University of California, San Diego, California
| | - Kentaro Igarashi
- AntiCancer Inc, San Diego, California.,Department of Surgery, University of California, San Diego, California
| | - Kei Kawaguchi
- AntiCancer Inc, San Diego, California.,Department of Surgery, University of California, San Diego, California
| | - Masuyo Miyake
- AntiCancer Inc, San Diego, California.,Department of Surgery, University of California, San Diego, California
| | - Hiromichi Oshiro
- AntiCancer Inc, San Diego, California.,Department of Surgery, University of California, San Diego, California
| | - Takashi Higuchi
- AntiCancer Inc, San Diego, California.,Department of Surgery, University of California, San Diego, California
| | - Yunfeng Li
- Department of Pathology, University of California, Los Angeles, California
| | - Sarah M Dry
- Department of Pathology, University of California, Los Angeles, California
| | - Scott D Nelson
- Department of Pathology, University of California, Los Angeles, California
| | - Tara A Russell
- Division of Surgical Oncology, University of California, Los Angeles, California
| | - Mark A Eckardt
- Department of Surgery, Yale School of Medicine, New Haven, Connecticut
| | - Arun S Singh
- Division of Hematology-Oncology, University of California, Los Angeles, California
| | - Fuminori Kanaya
- Department of Orthopedic Surgery, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan
| | - Fritz C Eilber
- Division of Surgical Oncology, University of California, Los Angeles, California
| | - Robert M Hoffman
- AntiCancer Inc, San Diego, California.,Department of Surgery, University of California, San Diego, California
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Moin ASM, Cory M, Choi J, Ong A, Dhawan S, Dry SM, Butler PC, Rizza RA, Butler AE. Increased Chromogranin A-Positive Hormone-Negative Cells in Chronic Pancreatitis. J Clin Endocrinol Metab 2018; 103:2126-2135. [PMID: 29659906 PMCID: PMC6456995 DOI: 10.1210/jc.2017-01562] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Accepted: 03/30/2018] [Indexed: 01/09/2023]
Abstract
CONTEXT Chronic pancreatitis (CP) is characterized by inflammation, fibrosis, and a loss of pancreatic acinar cells, which can result in exocrine and eventually endocrine deficiency. Pancreatitis has been reported to induce formation of new endocrine cells (neogenesis) in mice. Our recent data have implicated chromogranin A-positive hormone-negative (CPHN) cells as potential evidence of neogenesis in humans. OBJECTIVE We sought to establish if CPHN cells were more abundant in CP in humans. DESIGN, SETTING, AND PARTICIPANTS We investigated the frequency and distribution of CPHN cells and the expression of the chemokine C-X-C motif ligand 10 (CXCL10) and its receptor chemokine C-X-C motif receptor 3 in pancreas of nondiabetic subjects with CP. RESULTS CPHN cell frequency in islets was increased sevenfold in CP [2.1% ± 0.67% vs 0.35% ± 0.09% CPHN cells in islets, CP vs nonpancreatitis (NP), P < 0.01], as were the CPHN cells found as scattered cells in the exocrine areas (17.4 ± 2.9 vs 4.2 ± 0.6, CP vs NP, P < 0.001). Polyhormonal endocrine cells were also increased in CP (2.7 ± 1.2 vs 0.1 ± 0.04, CP vs NP, % of polyhormonal cells of total endocrine cells, P < 0.01), as was expression of CXCL10 in α and β cells. CONCLUSION There is increased islet endogenous expression of the inflammation marker CXCL10 in islets in the setting of nondiabetic CP and an increase in polyhormonal (insulin-glucagon expressing) cells. The increase in CPHN cells in CP, often in a lobular distribution, may indicate foci of attempted endocrine cell regeneration.
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Affiliation(s)
- Abu Saleh Md Moin
- Diabetes and Metabolism Research Institute, City of Hope, Duarte, California
| | - Megan Cory
- Larry L. Hillblom Islet Research Center, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
| | - Jennifer Choi
- Larry L. Hillblom Islet Research Center, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
| | - Allison Ong
- Larry L. Hillblom Islet Research Center, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
| | - Sangeeta Dhawan
- Diabetes and Metabolism Research Institute, City of Hope, Duarte, California
| | - Sarah M Dry
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at University of California Los Angeles, Los Angeles, California
| | - Peter C Butler
- Larry L. Hillblom Islet Research Center, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California
| | - Robert A Rizza
- Division of Endocrinology, Diabetes, Metabolism, and Nutrition, Mayo Clinic College of Medicine, Rochester, Minnesota
| | - Alexandra E Butler
- Anti Doping Laboratory Qatar, Doha, Qatar
- Correspondence and Reprint Requests: Alexandra E. Butler, MBBS, Anti-Doping Laboratory Qatar, PO Box 27775, Doha, Qatar. E-mail:
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Kiyuna T, Murakami T, Tome Y, Igarashi K, Kawaguchi K, Miyake K, Miyake M, Li Y, Nelson SD, Dry SM, Singh AS, Russell TA, Singh SR, Kanaya F, Eilber FC, Hoffman RM. Doxorubicin-resistant pleomorphic liposarcoma with PDGFRA gene amplification is targeted and regressed by pazopanib in a patient-derived orthotopic xenograft mouse model. Tissue Cell 2018; 53:30-36. [PMID: 30060824 DOI: 10.1016/j.tice.2018.05.010] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Revised: 05/07/2018] [Accepted: 05/21/2018] [Indexed: 12/17/2022]
Abstract
Pleomorphic liposarcoma (PLPS) is a heterogeneous resistant group of tumors. Complete surgical resection is the only known way to treat PLPS. PLPS is reristant to both radiation and chemotherapy. Therefore, precise individualized therapy is needed to improve outcome of advanced PLPS patients. In this study, a patient-derived orthotopic xenograft (PDOX) model of a PDGFRA-amplified PLPS was established in the biceps femoris of nude mice by surgical orthotopic implantation (SOI) in order to match the patient. The PLPS PDOX was treated with pazopanib (PAZ) which targets PDGFRA, as well as with temozolomide (TEM) and first-line therapy doxorubicin (DOX). The PLPS PDOX was resistant to DOX and responded very well to PAZ as well as TEM. The tumor volume on treatment day-14 relative to day-1 was as follows: DOX (4.50 ± 2.6, p = 0.8087); PAZ (1.29 ± 0.9, p = 0.0008 compared to the control, p = 0.0167 compared to DOX); TEM (1.07 ± 0.8, p = 0.0079 compared to the control, p = 0.0079 compared to DOX). There was no significant difference in body weight between any treated group or control. The PAZ- and TEM-treated tumors showed extensive necrosis compared to the DOX-treated and untreated PDOX tumors. The present study showed that PDGFRA amplification could be effectively targeted by PAZ. The PLPS PDOX model also identified the efficacy of TEM which does not target PDGFRA, indicating that the PDOX model can identify effective targeted therapy as well as standard therapy and at the same time, identify ineffective drugs, even if they are first-line.
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Affiliation(s)
- Tasuku Kiyuna
- AntiCancer Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA; Department of Orthopedic Surgery, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan
| | - Takashi Murakami
- AntiCancer Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Yasunori Tome
- Department of Orthopedic Surgery, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan
| | - Kentaro Igarashi
- AntiCancer Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Kei Kawaguchi
- AntiCancer Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Kentaro Miyake
- AntiCancer Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Masuyo Miyake
- AntiCancer Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Yunfeng Li
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Scott D Nelson
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Sarah M Dry
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Arun S Singh
- Division of Hematology-Oncology, University of California, Los Angeles, CA, USA
| | - Tara A Russell
- Division of Surgical Oncology, University of California, Los Angeles, CA, USA
| | - Shree Ram Singh
- Basic Research Laboratory, National Cancer Institute, Frederick, MD, USA.
| | - Fuminori Kanaya
- Department of Orthopedic Surgery, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan
| | - Fritz C Eilber
- Division of Surgical Oncology, University of California, Los Angeles, CA, USA.
| | - Robert M Hoffman
- AntiCancer Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA.
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Igarashi K, Kawaguchi K, Kiyuna T, Miyake K, Miyake M, Li Y, Nelson SD, Dry SM, Singh AS, Elliott IA, Russell TA, Eckardt MA, Yamamoto N, Hayashi K, Kimura H, Miwa S, Tsuchiya H, Eilber FC, Hoffman RM. Temozolomide regresses a doxorubicin-resistant undifferentiated spindle-cell sarcoma patient-derived orthotopic xenograft (PDOX): precision-oncology nude-mouse model matching the patient with effective therapy. J Cell Biochem 2018; 119:6598-6603. [PMID: 29737543 DOI: 10.1002/jcb.26792] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Accepted: 02/16/2018] [Indexed: 12/15/2022]
Abstract
Undifferentiated spindle-cell sarcoma (USCS) is a recalcitrant cancer, resistant to conventional chemotherapy. A patient with high-grade USCS from a striated muscle was implanted orthotopically in the right biceps femoris muscle of mice to establish a patient-derived orthotopic xenograft (PDOX) model. The PDOX models were randomized into the following groups when tumor volume reached 100 mm3 : G1, control without treatment; G2, doxorubicin (DOX) (3 mg/kg, intraperitoneal [i.p.] injection, weekly, for 2 weeks); G3, temozolomide (TEM) (25 mg/kg, p.o., daily, for 14 days). Tumor size and body weight were measured with calipers and a digital balance twice a week. TEM significantly inhibited tumor volume growth compared to the untreated control and the DOX-treated group on day 14 after treatment initiation: control (G1): 343 ± 78 mm3 ; DOX (G2): 308 ± 31 mm3 , P = 0.272; TEM (G3): 85 ± 21 mm3 , P < 0.0001. TEM significantly regressed the tumor volume compared to day 0 (P = 0.019). There were no animal deaths in any group. The body weight of treated mice was not significantly different in any group. Tumors treated with DOX were comprised of spindle-shaped viable cells without apparent necrosis or inflammatory changes. In contrast, tumors treated with TEM showed extensive tumor necrosis. The present study demonstrates the potential power of matching the patient with an effective drug and saving the patient needless toxicity from ineffective drugs.
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Affiliation(s)
- Kentaro Igarashi
- AntiCancer, Inc., San Diego, California.,Department of Surgery, University of California, San Diego, California.,Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Kei Kawaguchi
- AntiCancer, Inc., San Diego, California.,Department of Surgery, University of California, San Diego, California
| | - Tasuku Kiyuna
- AntiCancer, Inc., San Diego, California.,Department of Surgery, University of California, San Diego, California
| | - Kentaro Miyake
- AntiCancer, Inc., San Diego, California.,Department of Surgery, University of California, San Diego, California
| | - Masuyo Miyake
- AntiCancer, Inc., San Diego, California.,Department of Surgery, University of California, San Diego, California
| | - Yunfeng Li
- Department of Pathology, University of California, Los Angeles, California
| | - Scott D Nelson
- Department of Pathology, University of California, Los Angeles, California
| | - Sarah M Dry
- Department of Pathology, University of California, Los Angeles, California
| | - Arun S Singh
- Division of Hematology-Oncology, University of California, Los Angeles, California
| | - Irmina A Elliott
- Division of Surgical Oncology, University of California, Los Angeles, California
| | - Tara A Russell
- Division of Surgical Oncology, University of California, Los Angeles, California
| | - Mark A Eckardt
- Department of Surgery, Yale School of Medicine, New Haven, Connecticut
| | - Norio Yamamoto
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Katsuhiro Hayashi
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Hiroaki Kimura
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Shinji Miwa
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Hiroyuki Tsuchiya
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Fritz C Eilber
- Division of Surgical Oncology, University of California, Los Angeles, California
| | - Robert M Hoffman
- AntiCancer, Inc., San Diego, California.,Department of Surgery, University of California, San Diego, California
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Abstract
Malignant peripheral nerve sheath tumor (MPNST) is the sixth most common type of soft tissue sarcoma. Most MPNSTs arise in association with a peripheral nerve or preexisting neurofibroma. Neurofibromatosis type is the most important risk factor for MPNST. Tumor size and fludeoxyglucose F 18 avidity are among the most helpful parameters to distinguish MPNST from a benign peripheral nerve sheath tumor. The histopathologic diagnosis is predominantly a diagnosis of light microscopy. Immunohistochemical stains are most helpful to distinguish high-grade MPNST from its histologic mimics. Current surgical management of high-grade MPNST is similar to that of other high-grade soft tissue sarcomas.
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Affiliation(s)
- Aaron W James
- Department of Pathology, Johns Hopkins University, 600 North Wolfe Street, Baltimore, MD 21287-6417, USA
| | - Elizabeth Shurell
- Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065, USA
| | - Arun Singh
- Sarcoma Service, Division of Hematology/Oncology, University of California, Los Angeles, 2825 Santa Monica Boulevard, Suite 213 TORL, Santa Monica, CA 90404, USA
| | - Sarah M Dry
- Department of Pathology & Laboratory Medicine, University of California, Los Angeles, Box 951732, 13-145D CHS, Los Angeles, CA 90095-1732, USA
| | - Fritz C Eilber
- Division of Surgical Oncology, University of California, Los Angeles, 10833 LeConte Avenue, Room 54-140 CHS, Los Angeles, CA 90095-1782, USA.
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Igarashi K, Kawaguchi K, Li S, Han Q, Tan Y, Gainor E, Kiyuna T, Miyake K, Miyake M, Higuchi T, Oshiro H, Singh AS, Eckardt MA, Nelson SD, Russell TA, Dry SM, Li Y, Yamamoto N, Hayashi K, Kimura H, Miwa S, Tsuchiya H, Eilber FC, Hoffman RM. Recombinant methioninase combined with doxorubicin (DOX) regresses a DOX-resistant synovial sarcoma in a patient-derived orthotopic xenograft (PDOX) mouse model. Oncotarget 2018; 9:19263-19272. [PMID: 29721200 PMCID: PMC5922394 DOI: 10.18632/oncotarget.24996] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Accepted: 03/15/2018] [Indexed: 01/09/2023] Open
Abstract
Synovial sarcoma (SS) is a recalcitrant subgroup of soft tissue sarcoma (STS). A tumor from a patient with high grade SS from a lower extremity was grown orthotopically in the right biceps femoris muscle of nude mice to establish a patient-derived orthotopic xenograft (PDOX) mouse model. The PDOX mice were randomized into the following groups when tumor volume reached approximately 100 mm3: G1, control without treatment; G2, doxorubicin (DOX) (3 mg/kg, intraperitoneal [i.p.] injection, weekly, for 2 weeks; G3, rMETase (100 unit/mouse, i.p., daily, for 2 weeks); G4 DOX (3mg/kg), i.p. weekly, for 2 weeks) combined with rMETase (100 unit/mouse, i.p., daily, for 2 weeks). On day 14 after treatment initiation, all therapies significantly inhibited tumor growth compared to untreated control, except DOX: (DOX: p = 0.48; rMETase: p < 0.005; DOX combined with rMETase < 0.0001). DOX combined with rMETase was significantly more effective than both DOX alone (p < 0.001) and rMETase alone (p < 0.05). The relative body weight on day 14 compared with day 0 did not significantly differ between any treatment group or untreated control. The results indicate that r-METase can overcome DOX-resistance in this recalcitrant disease.
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Affiliation(s)
- Kentaro Igarashi
- AntiCancer, Inc., San Diego, California, USA.,Department of Surgery, University of California, San Diego, California, USA.,Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Kei Kawaguchi
- AntiCancer, Inc., San Diego, California, USA.,Department of Surgery, University of California, San Diego, California, USA
| | - Shukuan Li
- AntiCancer, Inc., San Diego, California, USA
| | | | - Yuying Tan
- AntiCancer, Inc., San Diego, California, USA
| | | | - Tasuku Kiyuna
- AntiCancer, Inc., San Diego, California, USA.,Department of Surgery, University of California, San Diego, California, USA
| | - Kentaro Miyake
- AntiCancer, Inc., San Diego, California, USA.,Department of Surgery, University of California, San Diego, California, USA
| | - Masuyo Miyake
- AntiCancer, Inc., San Diego, California, USA.,Department of Surgery, University of California, San Diego, California, USA
| | - Takashi Higuchi
- AntiCancer, Inc., San Diego, California, USA.,Department of Surgery, University of California, San Diego, California, USA
| | - Hiromichi Oshiro
- AntiCancer, Inc., San Diego, California, USA.,Department of Surgery, University of California, San Diego, California, USA
| | - Arun S Singh
- Division of Hematology-Oncology, University of California, Los Angeles, CA, USA
| | - Mark A Eckardt
- Department of Surgery, Yale School of Medicine, New Haven, Connecticut, USA
| | - Scott D Nelson
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Tara A Russell
- Division of Surgical Oncology, University of California, Los Angeles, CA, USA
| | - Sarah M Dry
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Yunfeng Li
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Norio Yamamoto
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Katsuhiro Hayashi
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Hiroaki Kimura
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Shinji Miwa
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Hiroyuki Tsuchiya
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Fritz C Eilber
- Division of Surgical Oncology, University of California, Los Angeles, CA, USA
| | - Robert M Hoffman
- AntiCancer, Inc., San Diego, California, USA.,Department of Surgery, University of California, San Diego, California, USA
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Igarashi K, Kawaguchi K, Kiyuna T, Miyake K, Miyake M, Li S, Han Q, Tan Y, Zhao M, Li Y, Nelson SD, Dry SM, Singh AS, Elliott IA, Russell TA, Eckardt MA, Yamamoto N, Hayashi K, Kimura H, Miwa S, Tsuchiya H, Eilber FC, Hoffman RM. Tumor-targeting Salmonella typhimurium A1-R combined with recombinant methioninase and cisplatinum eradicates an osteosarcoma cisplatinum-resistant lung metastasis in a patient-derived orthotopic xenograft (PDOX) mouse model: decoy, trap and kill chemotherapy moves toward the clinic. Cell Cycle 2018; 17:801-809. [PMID: 29374999 DOI: 10.1080/15384101.2018.1431596] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
In the present study, a patient-derived orthotopic xenograft (PDOX) model of recurrent cisplatinum (CDDP)-resistant metastatic osteosarcoma was treated with Salmonella typhimurium A1-R (S. typhimurium A1-R), which decoys chemoresistant quiescent cancer cells to cycle, and recombinant methioninase (rMETase), which selectively traps cancer cells in late S/G2, and chemotherapy. The PDOX models were randomized into the following groups 14 days after implantation: G1, control without treatment; G2, CDDP (6 mg/kg, intraperitoneal (i.p.) injection, weekly, for 2 weeks); G3, rMETase (100 unit/mouse, i.p., daily, for 2 weeks). G4, S. typhimurium A1-R (5 × 107 CFU/100 μl, i.v., weekly, for 2 weeks); G5, S. typhimurium A1-R (5 × 107 CFU/100 μl, i.v., weekly, for 2 weeks) combined with rMETase (100 unit/mouse, i.p., daily, for 2 weeks); G6, S. typhimurium A1-R (5 × 107 CFU/100 μl, i.v., weekly, for 2 weeks) combined with rMETase (100 unit/mouse, i.p., daily, for 2 weeks) and CDDP (6 mg/kg, i.p. injection, weekly, for 2 weeks). On day 14 after initiation, all treatments except CDDP alone, significantly inhibited tumor growth compared to untreated control: (CDDP: p = 0.586; rMETase: p = 0.002; S. typhimurium A1-R: p = 0.002; S. typhimurium A1-R combined with rMETase: p = 0.0004; rMETase combined with both S. typhimurium A1-R and CDDP: p = 0.0001). The decoy, trap and kill combination of S. typhimurium A1-R, rMETase and CDDP was the most effective of all therapies and was able to eradicate the metastatic osteosarcoma PDOX.
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Affiliation(s)
- Kentaro Igarashi
- a AntiCancer, Inc. , San Diego , CA, USA.,b Department of Surgery , University of California , San Diego , CA, USA.,c Department of Orthopaedic Surgery , Kanazawa University , Kanazawa , Japan
| | - Kei Kawaguchi
- a AntiCancer, Inc. , San Diego , CA, USA.,b Department of Surgery , University of California , San Diego , CA, USA
| | - Tasuku Kiyuna
- a AntiCancer, Inc. , San Diego , CA, USA.,b Department of Surgery , University of California , San Diego , CA, USA
| | - Kentaro Miyake
- a AntiCancer, Inc. , San Diego , CA, USA.,b Department of Surgery , University of California , San Diego , CA, USA
| | - Masuyo Miyake
- a AntiCancer, Inc. , San Diego , CA, USA.,b Department of Surgery , University of California , San Diego , CA, USA
| | - Shukuan Li
- a AntiCancer, Inc. , San Diego , CA, USA
| | | | - Yuying Tan
- a AntiCancer, Inc. , San Diego , CA, USA
| | - Ming Zhao
- a AntiCancer, Inc. , San Diego , CA, USA
| | - Yunfeng Li
- d Dept. of Pathology , University of California , Los Angeles , CA , USA
| | - Scott D Nelson
- d Dept. of Pathology , University of California , Los Angeles , CA , USA
| | - Sarah M Dry
- d Dept. of Pathology , University of California , Los Angeles , CA , USA
| | - Arun S Singh
- e Division of Hematology-Oncology , University of California , Los Angeles , CA , USA
| | - Irmina A Elliott
- f Division of Surgical Oncology , University of California , Los Angeles , CA , USA
| | - Tara A Russell
- f Division of Surgical Oncology , University of California , Los Angeles , CA , USA
| | - Mark A Eckardt
- g Department of Surgery, Yale School of Medicine , New Haven , CT, USA
| | - Norio Yamamoto
- c Department of Orthopaedic Surgery , Kanazawa University , Kanazawa , Japan
| | - Katsuhiro Hayashi
- c Department of Orthopaedic Surgery , Kanazawa University , Kanazawa , Japan
| | - Hiroaki Kimura
- c Department of Orthopaedic Surgery , Kanazawa University , Kanazawa , Japan
| | - Shinji Miwa
- c Department of Orthopaedic Surgery , Kanazawa University , Kanazawa , Japan
| | - Hiroyuki Tsuchiya
- c Department of Orthopaedic Surgery , Kanazawa University , Kanazawa , Japan
| | - Fritz C Eilber
- f Division of Surgical Oncology , University of California , Los Angeles , CA , USA
| | - Robert M Hoffman
- a AntiCancer, Inc. , San Diego , CA, USA.,b Department of Surgery , University of California , San Diego , CA, USA
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Kawaguchi K, Igarashi K, Kiyuna T, Miyake K, Miyake M, Murakami T, Chmielowski B, Nelson SD, Russell TA, Dry SM, Li Y, Singh AS, Unno M, Eilber FC, Hoffman RM. Individualized doxorubicin sensitivity testing of undifferentiated soft tissue sarcoma (USTS) in a patient-derived orthotopic xenograft (PDOX) model demonstrates large differences between patients. Cell Cycle 2018; 17:627-633. [PMID: 29384032 DOI: 10.1080/15384101.2017.1421876] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Abstract
Doxorubicin (DOX) is often first-line treatment of undifferentiated/unclassified soft tissue sarcoma (USTS). However, the DOX response rate for USTS patients is low. Individualized precision-medicine technology that could identify DOX responders as well as non-responders would be of high value to cancer patients. In the present study, we established 5 patient-derived orthotopic xenograft (PDOX) nude mouse models from 5 USTS patients and evaluated the efficacy of DOX in each PDOX model. USTS's were grown orthotopically in the right thigh of nude mice to establish the PDOX models. Two weeks after implantation, the mouse models were randomized into two groups of 8 mice each: untreated control; and DOX (3 mg/kg, i.p., once a week for 2 weeks). DOX showed significant growth inhibition in only 2 USTS PDOX models out of 5 (p = 0.0054, p = 0.0055, respectively) on day 14 after initiation. DOX was ineffective in the other 3 PDOX models. However, even in the DOX-sensitive cases, DOX could not regress the PDOX tumors responding to treatment. The present study has important implications since this is the first in vivo study to compare the DOX sensitivity for USTS on multiple patient tumors. We showed that only two of five USTS were responsive to DOX, despite DOX being first line chemotherapy for USTS. The 3 resistant cases should not be treated with DOX clinically, in order to spare the patients' unnecessary toxicity. This PDOX model is useful for precise individualized drug sensitivity testing, especially for rare heterogeneous recalcitrant sarcomas such as USTS.
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Affiliation(s)
- Kei Kawaguchi
- a AntiCancer, Inc. , San Diego , CA , USA.,b Department of Surgery , University of California , San Diego , CA , USA.,c Department of Surgery, Graduate School of Medicine , Tohoku University , Sendai , Japan
| | - Kentaro Igarashi
- a AntiCancer, Inc. , San Diego , CA , USA.,b Department of Surgery , University of California , San Diego , CA , USA
| | - Tasuku Kiyuna
- a AntiCancer, Inc. , San Diego , CA , USA.,b Department of Surgery , University of California , San Diego , CA , USA
| | - Kentaro Miyake
- a AntiCancer, Inc. , San Diego , CA , USA.,b Department of Surgery , University of California , San Diego , CA , USA
| | - Masuyo Miyake
- a AntiCancer, Inc. , San Diego , CA , USA.,b Department of Surgery , University of California , San Diego , CA , USA
| | - Takashi Murakami
- a AntiCancer, Inc. , San Diego , CA , USA.,b Department of Surgery , University of California , San Diego , CA , USA
| | - Bartosz Chmielowski
- d Division of Hematology-Oncology , University of California , Los Angeles , CA , USA
| | - Scott D Nelson
- e Dep artmen t of Pathology , University of California , Los Angeles , CA , USA
| | - Tara A Russell
- f Division of Surgical Oncology , University of California , Los Angeles , CA , USA
| | - Sarah M Dry
- e Dep artmen t of Pathology , University of California , Los Angeles , CA , USA
| | - Yunfeng Li
- e Dep artmen t of Pathology , University of California , Los Angeles , CA , USA
| | - Arun S Singh
- d Division of Hematology-Oncology , University of California , Los Angeles , CA , USA
| | - Michiaki Unno
- c Department of Surgery, Graduate School of Medicine , Tohoku University , Sendai , Japan
| | - Fritz C Eilber
- f Division of Surgical Oncology , University of California , Los Angeles , CA , USA
| | - Robert M Hoffman
- a AntiCancer, Inc. , San Diego , CA , USA.,b Department of Surgery , University of California , San Diego , CA , USA
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Kawaguchi K, Han Q, Li S, Tan Y, Igarashi K, Kiyuna T, Miyake K, Miyake M, Chmielowski B, Nelson SD, Russell TA, Dry SM, Li Y, Singh AS, Eckardt MA, Unno M, Eilber FC, Hoffman RM. Targeting methionine with oral recombinant methioninase (o-rMETase) arrests a patient-derived orthotopic xenograft (PDOX) model of BRAF-V600E mutant melanoma: implications for chronic clinical cancer therapy and prevention. Cell Cycle 2018; 17:356-361. [PMID: 29187018 DOI: 10.1080/15384101.2017.1405195] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
The elevated methionine (MET) use by cancer cells is termed MET dependence and may be the only known general metabolic defect in cancer. Targeting MET by recombinant methioninase (rMETase) can arrest the growth of cancer cells in vitro and in vivo. We previously reported that rMETase, administrated by intra-peritoneal injection (ip-rMETase), could inhibit tumor growth in a patient-derived orthotopic xenograft (PDOX) model of a BRAF-V600E mutant melanoma. In the present study, we compared ip-rMETase and oral rMETase (o-rMETase) for efficacy on the melanoma PDOX. Melanoma PDOX nude mice were randomized into four groups of 5 mice each: untreated control; ip-rMETase (100 units, i.p., 14 consecutive days); o-rMETase (100 units, p.o., 14 consecutive days); o-rMETase+ip-rMETase (100 units, p.o.+100 units, i.p., 14 consecutive days). All treatments inhibited tumor growth on day 14 after treatment initiation, compared to untreated control (ip-rMETase, p<0.0001; o-rMETase, p<0.0001; o-rMETase+ip-rMETase, p<0.0001). o-rMETase was significantly more effective than ip-rMETase (p = 0.0086). o-rMETase+ip-rMETase was significantly more effective than either mono-therapy: ip-rMETase, p = 0.0005; or o-rMETase, p = 0.0367. The present study is the first demonstrating that o-rMETase is effective as an anticancer agent. The results of the present study indicate the potential of clinical development of o-rMETase as an agent for chronic cancer therapy and for cancer prevention and possibly for life extension since dietary MET reduction extends life span in many animal models.
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Affiliation(s)
- Kei Kawaguchi
- a AntiCancer , Inc. , San Diego , CA , USA.,b Dept. of Surgery , University of California , San Diego , CA , USA.,c Dept. of Surgery, Graduate School of Medicine , Tohoku University , Sendai , Japan
| | | | - Shukuan Li
- a AntiCancer , Inc. , San Diego , CA , USA
| | - Yuying Tan
- a AntiCancer , Inc. , San Diego , CA , USA
| | - Kentaro Igarashi
- a AntiCancer , Inc. , San Diego , CA , USA.,b Dept. of Surgery , University of California , San Diego , CA , USA
| | - Tasuku Kiyuna
- a AntiCancer , Inc. , San Diego , CA , USA.,b Dept. of Surgery , University of California , San Diego , CA , USA
| | - Kentaro Miyake
- a AntiCancer , Inc. , San Diego , CA , USA.,b Dept. of Surgery , University of California , San Diego , CA , USA
| | - Masuyo Miyake
- a AntiCancer , Inc. , San Diego , CA , USA.,b Dept. of Surgery , University of California , San Diego , CA , USA
| | - Bartosz Chmielowski
- d Div. of Hematology-Oncology , University of California , Los Angeles , CA , USA
| | - Scott D Nelson
- e Dept. of Pathology , University of California , Los Angeles , CA , USA
| | - Tara A Russell
- f Div. of Surgical Oncology , University of California , Los Angeles , CA , USA
| | - Sarah M Dry
- e Dept. of Pathology , University of California , Los Angeles , CA , USA
| | - Yunfeng Li
- e Dept. of Pathology , University of California , Los Angeles , CA , USA
| | - Arun S Singh
- d Div. of Hematology-Oncology , University of California , Los Angeles , CA , USA
| | - Mark A Eckardt
- g Department of Surgery, Yale School of Medicine , New Haven , CT , USA
| | - Michiaki Unno
- c Dept. of Surgery, Graduate School of Medicine , Tohoku University , Sendai , Japan
| | - Fritz C Eilber
- f Div. of Surgical Oncology , University of California , Los Angeles , CA , USA
| | - Robert M Hoffman
- a AntiCancer , Inc. , San Diego , CA , USA.,b Dept. of Surgery , University of California , San Diego , CA , USA.,g Department of Surgery, Yale School of Medicine , New Haven , CT , USA
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42
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Igarashi K, Kawaguchi K, Kiyuna T, Miyake K, Miyake M, Singh AS, Eckardt MA, Nelson SD, Russell TA, Dry SM, Li Y, Yamamoto N, Hayashi K, Kimura H, Miwa S, Tsuchiya H, Singh SR, Eilber FC, Hoffman RM. Tumor-targeting Salmonella typhimurium A1-R is a highly effective general therapeutic for undifferentiated soft tissue sarcoma patient-derived orthotopic xenograft nude-mouse models. Biochem Biophys Res Commun 2018; 497:1055-1061. [PMID: 29481803 DOI: 10.1016/j.bbrc.2018.02.174] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2018] [Accepted: 02/23/2018] [Indexed: 10/24/2022]
Abstract
Undifferentiated soft tissue sarcoma (USTS) is a recalcitrant and heterogeneous subgroup of soft tissue sarcoma with high risk of metastasis and recurrence. Due to heterogeneity of USTS, there is no reliably effective first-line therapy. We have generated tumor-targeting Salmonella typhimurium A1-R (S. typhimurium A1-R), which previously showed strong efficacy on single patient-derived orthotopic xenograft (PDOX) models of Ewing's sarcoma and follicular dendritic cell sarcoma. In the present study, tumor resected from 4 patients with a biopsy-proven USTS (2 undifferentiated pleomorphic sarcoma [UPS], 1 undifferentiated sarcoma not otherwise specified [NOS] and 1 undifferentiated spindle cell sarcoma [USS]) were grown orthotopically in the biceps femoris muscle of mice to establish PDOX models. One USS model and one UPS model were doxorubicin (DOX) resistant. One UPS and the NOS model were partially sensitive to DOX. DOX is first-line therapy for these diseases. S. typhimurium A1-R arrested tumor growth all 4 models. In addition to arresting tumor growth in each case, S. typhimurium A1-R was significantly more efficacious than DOX in each case, thereby surpassing first-line therapy. These results suggest that S. typhimurium A1-R can be a general therapeutic for USTS and possibly sarcoma in general.
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Affiliation(s)
- Kentaro Igarashi
- AntiCancer, Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA; Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Kei Kawaguchi
- AntiCancer, Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Tasuku Kiyuna
- AntiCancer, Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Kentaro Miyake
- AntiCancer, Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Masuyo Miyake
- AntiCancer, Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA
| | - Arun S Singh
- Division of Hematology-Oncology, University of California, Los Angeles, CA, USA
| | - Mark A Eckardt
- Department of Surgery, Yale School of Medicine, New Haven, CT, USA
| | - Scott D Nelson
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Tara A Russell
- Division of Surgical Oncology, University of California, Los Angeles, CA, USA
| | - Sarah M Dry
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Yunfeng Li
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Norio Yamamoto
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Katsuhiro Hayashi
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Hiroaki Kimura
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Shinji Miwa
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Hiroyuki Tsuchiya
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Shree Ram Singh
- Basic Research Laboratory, National Cancer Institute, Frederick, MD, USA.
| | - Fritz C Eilber
- Division of Surgical Oncology, University of California, Los Angeles, CA, USA.
| | - Robert M Hoffman
- AntiCancer, Inc., San Diego, CA, USA; Department of Surgery, University of California, San Diego, CA, USA.
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43
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Kawaguchi K, Igarashi K, Murakami T, Chmielowski B, Kiyuna T, Zhao M, Zhang Y, Singh A, Unno M, Nelson SD, Russell TA, Dry SM, Li Y, Eilber FC, Hoffman RM. Tumor-targeting Salmonella typhimurium A1-R combined with temozolomide regresses malignant melanoma with a BRAF-V600E mutation in a patient-derived orthotopic xenograft (PDOX) model. Oncotarget 2018; 7:85929-85936. [PMID: 27835903 PMCID: PMC5349886 DOI: 10.18632/oncotarget.13231] [Citation(s) in RCA: 74] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2016] [Accepted: 10/27/2016] [Indexed: 01/08/2023] Open
Abstract
Melanoma is a recalcitrant disease in need of transformative therapuetics. The present study used a patient-derived orthotopic xenograft (PDOX) nude-mouse model of melanoma with a BRAF-V600E mutation to determine the efficacy of temozolomide (TEM) combined with tumor-targeting Salmonella typhimurium A1-R. A melanoma obtained from the right chest wall of a patient was grown orthotopically in the right chest wall of nude mice to establish a PDOX model. Two weeks after implantation, 40 PDOX nude mice were divided into 4 groups: G1, control without treatment (n = 10); G2, TEM (25 mg/kg, administrated orally daily for 14 consecutive days, n = 10); G3, S. typhimurium A1-R (5 × 107 CFU/100 μl, i.v., once a week for 2 weeks, n = 10); G4, TEM combined with S. typhimurium A1-R (25 mg/kg, administrated orally daily for 14 consecutive days and 5 × 107 CFU/100 μl, i.v., once a week for 2 weeks, respectively, n = 10). Tumor sizes were measured with calipers twice a week. On day 14 from initiation of treatment, all treatments significantly inhibited tumor growth compared to untreated control (TEM: p < 0.0001; S. typhimurium A1-R: p < 0.0001; TEM combined with S. typhimurium A1-R: p < 0.0001). TEM combined with S. typhimurium A1-R was significantly more effective than either S. typhimurium A1-R (p = 0.0004) alone or TEM alone (p = 0.0017). TEM combined with S. typhimurium A1-R could regress the melanoma in the PDOX model and has important future clinical potential for melanoma patients.
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Affiliation(s)
- Kei Kawaguchi
- AntiCancer, Inc., San Diego, CA, USA.,Department of Surgery, University of California, San Diego, CA, USA.,Department of Surgery, Graduate School of Medicine, Tohoku University, Sendai, Japan
| | - Kentaro Igarashi
- AntiCancer, Inc., San Diego, CA, USA.,Department of Surgery, University of California, San Diego, CA, USA
| | - Takashi Murakami
- AntiCancer, Inc., San Diego, CA, USA.,Department of Surgery, University of California, San Diego, CA, USA
| | - Bartosz Chmielowski
- Division of Hematology-Oncology, University of California, Los Angeles, CA, USA
| | - Tasuku Kiyuna
- AntiCancer, Inc., San Diego, CA, USA.,Department of Surgery, University of California, San Diego, CA, USA
| | - Ming Zhao
- AntiCancer, Inc., San Diego, CA, USA
| | | | - Arun Singh
- Division of Hematology-Oncology, University of California, Los Angeles, CA, USA
| | - Michiaki Unno
- Department of Surgery, Graduate School of Medicine, Tohoku University, Sendai, Japan
| | - Scott D Nelson
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Tara A Russell
- Division of Surgical Oncology, University of California, Los Angeles, CA, USA
| | - Sarah M Dry
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Yunfeng Li
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Fritz C Eilber
- Division of Surgical Oncology, University of California, Los Angeles, CA, USA
| | - Robert M Hoffman
- AntiCancer, Inc., San Diego, CA, USA.,Department of Surgery, University of California, San Diego, CA, USA
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44
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Murakami T, Singh AS, Kiyuna T, Dry SM, Li Y, James AW, Igarashi K, Kawaguchi K, DeLong JC, Zhang Y, Hiroshima Y, Russell T, Eckardt MA, Yanagawa J, Federman N, Matsuyama R, Chishima T, Tanaka K, Bouvet M, Endo I, Eilber FC, Hoffman RM. Effective molecular targeting of CDK4/6 and IGF-1R in a rare FUS-ERG fusion CDKN2A-deletion doxorubicin-resistant Ewing's sarcoma patient-derived orthotopic xenograft (PDOX) nude-mouse model. Oncotarget 2018; 7:47556-47564. [PMID: 27286459 PMCID: PMC5216960 DOI: 10.18632/oncotarget.9879] [Citation(s) in RCA: 83] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Accepted: 05/22/2016] [Indexed: 11/25/2022] Open
Abstract
Ewing's sarcoma is a rare and aggressive malignancy. In the present study, tumor from a patient with a Ewing's sarcoma with cyclin-dependent kinase inhibitor 2A/B (CDKN2A/B) loss and FUS-ERG fusion was implanted in the right chest wall of nude mice to establish a patient-derived orthotopic xenograft (PDOX) model. The aim of the present study was to determine efficacy of cyclin-dependent kinase 4/6 (CDK4/6) and insulin-like growth factor-1 receptor (IGF-1R) inhibitors on the Ewing's sarcoma PDOX. The PDOX models were randomized into the following groups when tumor volume reached 50 mm3: G1, untreated control; G2, doxorubicin (DOX) (intraperitoneal (i.p.) injection, weekly, for 2 weeks); G3, CDK4/6 inhibitor (palbociclib, PD0332991, per oral (p.o.), daily, for 14 days); G4, IGF-1R inhibitor (linsitinib, OSI-906, p.o., daily, for 14 days). Tumor growth was significantly suppressed both in G3 (palbociclib) and in G4 (linsitinib) compared to G1 (untreated control) at all measured time points. In contrast, DOX did not inhibit tumor growth at any time point, which is consistent with the failure of DOX to control tumor growth in the patient. The results of the present study demonstrate the power of the PDOX model to identify effective targeted molecular therapy of a recalcitrant DOX-resistant Ewing's sarcoma with specific genetic alterations. The results of this study suggest the potential of PDOX models for individually-tailored, effective targeted therapy for recalcitrant cancer.
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Affiliation(s)
- Takashi Murakami
- AntiCancer, Inc., San Diego, CA, USA.,Department of Surgery, University of California, San Diego, CA, USA.,Department of Gastroenterological Surgery, Graduate School of Medicine, Yokohama City University, Yokohama, Japan
| | - Arun S Singh
- Division of Hematology-Oncology, University of California, Los Angeles, CA, USA
| | | | - Sarah M Dry
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Yunfeng Li
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Aaron W James
- Department of Pathology, University of California, Los Angeles, CA, USA
| | | | | | | | | | - Yukihiko Hiroshima
- Department of Gastroenterological Surgery, Graduate School of Medicine, Yokohama City University, Yokohama, Japan
| | - Tara Russell
- Division of Surgical Oncology, University of California, Los Angeles, CA, USA
| | - Mark A Eckardt
- Division of Surgical Oncology, University of California, Los Angeles, CA, USA.,Department of Surgery, Yale University School of Medicine, New Haven, CT, USA
| | - Jane Yanagawa
- Division of Surgical Oncology, University of California, Los Angeles, CA, USA
| | - Noah Federman
- Department of Pediatrics and Department of Orthopaedics, University of California, Los Angeles, CA, USA
| | - Ryusei Matsuyama
- Department of Gastroenterological Surgery, Graduate School of Medicine, Yokohama City University, Yokohama, Japan
| | - Takashi Chishima
- Department of Gastroenterological Surgery, Graduate School of Medicine, Yokohama City University, Yokohama, Japan
| | - Kuniya Tanaka
- Department of Gastroenterological Surgery, Graduate School of Medicine, Yokohama City University, Yokohama, Japan
| | - Michael Bouvet
- Department of Surgery, University of California, San Diego, CA, USA
| | - Itaru Endo
- Department of Gastroenterological Surgery, Graduate School of Medicine, Yokohama City University, Yokohama, Japan
| | - Fritz C Eilber
- Division of Surgical Oncology, University of California, Los Angeles, CA, USA.,UCLA Sarcoma Program, Jonsson Comprehensive Cancer Center, University of California, Los Angeles, CA, USA
| | - Robert M Hoffman
- AntiCancer, Inc., San Diego, CA, USA.,Department of Surgery, University of California, San Diego, CA, USA.,UCLA Sarcoma Program, Jonsson Comprehensive Cancer Center, University of California, Los Angeles, CA, USA.,PDOX Inc., San Diego, CA, USA
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McCall SJ, Branton PA, Blanc VM, Dry SM, Gastier-Foster JM, Harrison JH, Jewell SD, Dash RC, Obeng RC, Rose J, Mateski DL, Liubinskas A, Robb JA, Ramirez NC, Shea K. The College of American Pathologists Biorepository Accreditation Program: Results from the First 5 Years. Biopreserv Biobank 2018; 16:16-22. [PMID: 29394087 PMCID: PMC5824654 DOI: 10.1089/bio.2017.0108] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The College of American Pathologists (CAP) developed the Biorepository Accreditation Program (BAP) in 2012. This program integrates best practices from the International Society for Biological and Environmental Biorepositories, the National Cancer Institute, the Organisation for Economic Cooperation and Development, the Center for Medicare and Medicaid Services, and the CAP Laboratory Accreditation Program. The goal of this elective program is to provide requirements for standardization in biorepository processes that will result in high-quality specimens that can be used to support research, drug discovery, and personalized medicine. CAP uses a peer inspection model to ensure the inspectors have proper expertise and to promote educational efforts through information sharing. Lead inspectors are comprised of pathologists, PhDs, and managers of biorepositories and they are often supported by CAP staff inspectors. Accreditation is a 3-year continuous cycle of quality with a peer inspection occurring at the start of year 1 and a self-inspection and CAP desk assessment at the start of year 2 and 3. At this time 53 biorepositories are fully CAP BAP accredited and 13 are in the process of obtaining accreditation. There are currently 273 established standards with requirement lists customized based on the scope of activities performed by a biorepository. A total of 90 inspections were completed between May 2012 and December 2016. Sixty-one were initial inspections and 29 were reinspections. A total of 527 deficiencies were identified in the areas of Equipment/Instrumentation (22%), Information Technology (18%), Specimen Handling and QC (15%), Quality Management (16%), Personnel (11%), Safety (10%), Facilities (6%), and Regulatory (2%). Assessment of common deficiencies identifies areas of focus for continuous improvement and educational opportunities. Overall success of the program is high based on the current enrollment of 66 biorepositories, anecdotal participant feedback and increasing national recognition of the BAP in federal documents.
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Affiliation(s)
- Shannon J. McCall
- Department of Pathology, Duke University Health System, Durham, North Carolina
| | - Philip A. Branton
- National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Victoria M. Blanc
- Central Biorepository, University of Michigan Medical School, Ann Arbor, Michigan
| | - Sarah M. Dry
- Department of Pathology and Laboratory Medicine, UCLA Medical Center, David Geffen School of Medicine, Los Angeles, California
| | - Julie M. Gastier-Foster
- Department of Pathology, Nationwide Childrens' Hospital and The Ohio State University, Columbus, Ohio
| | - James H. Harrison
- Department of Public Health Sciences, University of Virginia, Charlottesville, Virginia
- Department of Pathology, University of Virginia, Charlottesville, Virginia
| | - Scott D. Jewell
- Program for Biospecimen Science, Van Andel Research Institute, Grand Rapids, Michigan
| | - Rajesh C. Dash
- Department of Pathology, Duke University Health System, Durham, North Carolina
| | | | - Joan Rose
- College of American Pathologists, Northfield, Illinois
| | | | | | - James A. Robb
- Consulting Pathologist and Former CAP Governor, Boca Raton, Florida
| | - Nilsa C. Ramirez
- Department of Pathology, Nationwide Childrens' Hospital and The Ohio State University, Columbus, Ohio
| | - Kathi Shea
- Brooks Life Science Systems, Indianapolis, Indiana
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46
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Igarashi K, Kawaguchi K, Kiyuna T, Miyake K, Miyake M, Li Y, Nelson SD, Dry SM, Singh AS, Elliott IA, Russell TA, Eckardt MA, Yamamoto N, Hayashi K, Kimura H, Miwa S, Tsuchiya H, Eilber FC, Hoffman RM. Temozolomide combined with irinotecan regresses a cisplatinum-resistant relapsed osteosarcoma in a patient-derived orthotopic xenograft (PDOX) precision-oncology mouse model. Oncotarget 2018; 9:7774-7781. [PMID: 29487690 PMCID: PMC5814257 DOI: 10.18632/oncotarget.22892] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2017] [Accepted: 11/10/2017] [Indexed: 12/13/2022] Open
Abstract
Relapsed osteosarcoma is a recalcitrant tumor. A patient's cisplatinum (CDDP)-resistant relapsed osteosarcoma lung metastasis was previously established orthotopically in the distal femur of mice to establish a patient-derived orthotopic xenograft (PDOX) model. In the present study, the PDOX models were randomized into the following groups when tumor volume reached 100 mm3: G1, control without treatment; G2, CDDP (6 mg/kg, intraperitoneal (i.p.) injection, weekly, for 2 weeks); gemcitabine (GEM) (100 mg/kg, i.p., weekly, for 2 weeks) combined with docetaxel (DOC) (20 mg/kg, i.p., once); temozolomide (TEM) (25 mg/kg, p.o., daily, for 2 weeks) combined with irinotecan (IRN) (4 mg/kg i.p., daily for 2 weeks). Tumor size and body weight were measured with calipers and a digital balance twice a week. After 2 weeks, all treatments significantly inhibited tumor growth except CDDP compared to the untreated control: CDDP: p = 0.093; GEM+DOC: p = 0.0002, TEM+IRN: p < 0.0001. TEM combined with IRN was significantly more effective than either CDDP (p = 0.0001) or GEM combined with DOC (p = 0.0003) and significantly regressed the tumor volume compared to day 0 (p = 0.003). Thus the PDOX model precisely identified the combination of TEM-IRN that could regress the CDDP-resistant relapsed metastatic osteosarcoma PDOX.
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Affiliation(s)
- Kentaro Igarashi
- AntiCancer, Inc., San Diego, California, USA
- Department of Surgery, University of California, San Diego, California, USA
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Kei Kawaguchi
- AntiCancer, Inc., San Diego, California, USA
- Department of Surgery, University of California, San Diego, California, USA
| | - Tasuku Kiyuna
- AntiCancer, Inc., San Diego, California, USA
- Department of Surgery, University of California, San Diego, California, USA
| | - Kentaro Miyake
- AntiCancer, Inc., San Diego, California, USA
- Department of Surgery, University of California, San Diego, California, USA
| | - Masuyo Miyake
- AntiCancer, Inc., San Diego, California, USA
- Department of Surgery, University of California, San Diego, California, USA
| | - Yunfeng Li
- Department of Pathology, University of California, Los Angeles, California, USA
| | - Scott D. Nelson
- Department of Pathology, University of California, Los Angeles, California, USA
| | - Sarah M. Dry
- Department of Pathology, University of California, Los Angeles, California, USA
| | - Arun S. Singh
- Division of Hematology-Oncology, University of California, Los Angeles, California, USA
| | - Irmina A. Elliott
- Division of Surgical Oncology, University of California, Los Angeles, California, USA
| | - Tara A. Russell
- Division of Surgical Oncology, University of California, Los Angeles, California, USA
| | - Mark A. Eckardt
- Department of Surgery, Yale School of Medicine, New Haven, Connecticut, USA
| | - Norio Yamamoto
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Katsuhiro Hayashi
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Hiroaki Kimura
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Shinji Miwa
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Hiroyuki Tsuchiya
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Fritz C. Eilber
- Division of Surgical Oncology, University of California, Los Angeles, California, USA
| | - Robert M. Hoffman
- AntiCancer, Inc., San Diego, California, USA
- Department of Surgery, University of California, San Diego, California, USA
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47
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Kawaguchi K, Han Q, Li S, Tan Y, Igarashi K, Miyake K, Kiyuna T, Miyake M, Chemielwski B, Nelson SD, Russell TA, Dry SM, Li Y, Singh AS, Eckardt MA, Unno M, Eilber FC, Hoffman RM. Intra-tumor L-methionine level highly correlates with tumor size in both pancreatic cancer and melanoma patient-derived orthotopic xenograft (PDOX) nude-mouse models. Oncotarget 2018. [PMID: 29541401 PMCID: PMC5834286 DOI: 10.18632/oncotarget.24264] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
An excessive requirement for methionine (MET) for growth, termed MET dependence, appears to be a general metabolic defect in cancer. We have previously shown that cancer-cell growth can be selectively arrested by MET restriction such as with recombinant methioninase (rMETase). In the present study, we utilized patient-derived orthotopic xenograft (PDOX) nude mouse models with pancreatic cancer or melanoma to determine the relationship between intra-tumor MET level and tumor size. After the tumors grew to 100 mm3, the PDOX nude mice were divided into two groups: untreated control and treated with rMETase (100 units, i.p., 14 consecutive days). On day 14 from initiation of treatment, intra-tumor MET levels were measured and found to highly correlate with tumor volume, both in the pancreatic cancer PDOX (p<0.0001, R2=0.89016) and melanoma PDOX (p<0.0001, R2=0.88114). Tumors with low concentration of MET were smaller. The present results demonstrates that patient tumors are highly dependent on MET for growth and that rMETase effectively lowers tumor MET.
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Affiliation(s)
- Kei Kawaguchi
- AntiCancer, Inc., San Diego, CA, USA.,Department of Surgery, University of California, San Diego, CA, USA.,Department of Surgery, Graduate School of Medicine, Tohoku University, Sendai, Japan
| | | | | | | | - Kentaro Igarashi
- AntiCancer, Inc., San Diego, CA, USA.,Department of Surgery, University of California, San Diego, CA, USA
| | - Kentaro Miyake
- AntiCancer, Inc., San Diego, CA, USA.,Department of Surgery, University of California, San Diego, CA, USA
| | - Tasuku Kiyuna
- AntiCancer, Inc., San Diego, CA, USA.,Department of Surgery, University of California, San Diego, CA, USA
| | - Masuyo Miyake
- AntiCancer, Inc., San Diego, CA, USA.,Department of Surgery, University of California, San Diego, CA, USA
| | - Bartosz Chemielwski
- Division of Hematology-Oncology, University of California, Los Angeles, CA, USA
| | - Scott D Nelson
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Tara A Russell
- Division of Surgical Oncology, University of California, Los Angeles, CA, USA
| | - Sarah M Dry
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Yunfeng Li
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Arun S Singh
- Division of Hematology-Oncology, University of California, Los Angeles, CA, USA
| | - Mark A Eckardt
- Department of Surgery, Yale School of Medicine, New Haven, CT, USA
| | - Michiaki Unno
- Department of Surgery, Graduate School of Medicine, Tohoku University, Sendai, Japan
| | - Fritz C Eilber
- Division of Surgical Oncology, University of California, Los Angeles, CA, USA
| | - Robert M Hoffman
- AntiCancer, Inc., San Diego, CA, USA.,Department of Surgery, University of California, San Diego, CA, USA
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48
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Igarashi K, Li S, Han Q, Tan Y, Kawaguchi K, Murakami T, Kiyuna T, Miyake K, Li Y, Nelson SD, Dry SM, Singh AS, Elliott IA, Russell TA, Eckardt MA, Yamamoto N, Hayashi K, Kimura H, Miwa S, Tsuchiya H, Eilber FC, Hoffman RM. Growth of doxorubicin-resistant undifferentiated spindle-cell sarcoma PDOX is arrested by metabolic targeting with recombinant methioninase. J Cell Biochem 2018; 119:3537-3544. [PMID: 29143983 DOI: 10.1002/jcb.26527] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Accepted: 11/13/2017] [Indexed: 12/22/2022]
Abstract
Undifferentiated spindle-cell sarcoma (USCS) is a recalcitrant -cancer in need of individualized therapy. A high-grade USCS from a striated muscle of a patient was grown orthotopically in the right biceps femoris muscle of nude mice to establish a patient-derived orthotopic xenograft (PDOX) model. In a previous study, we evaluated the efficacy of standard first-line chemotherapy of doxorubicin (DOX), gemcitabine (GEM) combined with docetaxel (DOC), compared to pazopanib (PAZ), a multi-targeting tyrosine-kinase inhibitor, in an USCS PDOX model. In the present study, mice-bearing the USCS PDOX tumors were randomized into the following groups when tumor volume reached 100 mm3 : G1, untreated control without treatment; G2, DOX (3 mg/kg, intraperitoneal (i.p.) injection, weekly, for 2 weeks); G3, L-methionine α-deamino-γ-mercaptomethane lyase (recombinant methioninase [rMETase]) (100 U/mouse, i.p., daily, for 2 weeks). Tumor size and body weight were measured with calipers and a digital balance twice a week. The methionine level of supernatants derived from sonicated tumors was also measured. rMETase inhibited tumor growth, measured by tumor volume, compared to untreated controls and the DOX-treated group on day 14 after initiation of treatment: control (G1): 347.6 ± 88 mm3 ; DOX (G2): 329.5 ± 79 mm3 , P = 0.670; rMETase (G3): 162.6 ± 51 mm3 , P = 0.0003. The mouse body weight of the treated mice was not significantly different from the untreated controls. Tumor L-methionine levels were reduced after the rMETase-treatment compared to untreated control and pre-rMETase treatment. We previously reported efficacy of rMETase against Ewing's sarcoma and melanoma in a PDOX models. These studies suggest clinical development of rMETase, especially in recalcitrant cancers such as sarcoma.
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Affiliation(s)
- Kentaro Igarashi
- AntiCancer, Inc., San Diego, California.,Department of Surgery, University of California, San Diego, California.,Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | | | | | | | - Kei Kawaguchi
- AntiCancer, Inc., San Diego, California.,Department of Surgery, University of California, San Diego, California
| | - Takashi Murakami
- AntiCancer, Inc., San Diego, California.,Department of Surgery, University of California, San Diego, California
| | - Tasuku Kiyuna
- AntiCancer, Inc., San Diego, California.,Department of Surgery, University of California, San Diego, California
| | - Kentaro Miyake
- AntiCancer, Inc., San Diego, California.,Department of Surgery, University of California, San Diego, California
| | - Yunfeng Li
- Department of Pathology, University of California, Los Angeles, California
| | - Scott D Nelson
- Department of Pathology, University of California, Los Angeles, California
| | - Sarah M Dry
- Department of Pathology, University of California, Los Angeles, California
| | - Arun S Singh
- Division of Hematology-Oncology, University of California, Los Angeles, California
| | - Irmina A Elliott
- Division of Surgical Oncology, University of California, Los Angeles, California
| | - Tara A Russell
- Division of Surgical Oncology, University of California, Los Angeles, California
| | - Mark A Eckardt
- Department of Surgery, Yale School of Medicine, New Haven, Connecticut
| | - Norio Yamamoto
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Katsuhiro Hayashi
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Hiroaki Kimura
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Shinji Miwa
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Hiroyuki Tsuchiya
- Department of Orthopaedic Surgery, Kanazawa University, Kanazawa, Japan
| | - Fritz C Eilber
- Division of Surgical Oncology, University of California, Los Angeles, California
| | - Robert M Hoffman
- AntiCancer, Inc., San Diego, California.,Department of Surgery, University of California, San Diego, California
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49
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Kawaguchi K, Igarashi K, Li S, Han Q, Tan Y, Miyake K, Kiyuna T, Miyake M, Murakami T, Chmielowski B, Nelson SD, Russell TA, Dry SM, Li Y, Unno M, Eilber FC, Hoffman RM. Recombinant methioninase (rMETase) is an effective therapeutic for BRAF-V600E-negative as well as -positive melanoma in patient-derived orthotopic xenograft (PDOX) mouse models. Oncotarget 2018; 9:915-923. [PMID: 29416666 PMCID: PMC5787523 DOI: 10.18632/oncotarget.23185] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Accepted: 11/19/2017] [Indexed: 12/31/2022] Open
Abstract
Melanoma is a recalcitrant disease. Melanoma patients with the BRAF-V600E mutation have been treated with the drug vemurafenib (VEM) which targets this mutation. However, we previously showed that VEM is not very effective against a BRAF-V600E melanoma mutant in a patient-derived orthotopic xenograft (PDOX) model. In contrast, we demonstrated that recombinant methioninase (rMETase) which targets the general metabolic defect in cancer of methionine dependence, was effective against the BRAF-V600E mutant melanoma PDOX model. In the present study, we demonstrate that rMETase is effective against a BRAF-V600E-negative melanoma PDOX which we established. Forty BRAF-V600E-negative melanoma PDOX mouse models were randomized into four groups of 10 mice each: untreated control (n = 10); temozolomide (TEM) (25 mg/kg, p.o., 14 consecutive days, n = 10); rMETase (100 units, i.p., 14 consecutive days, n = 10); TEM + rMETase (TEM: 25 mg/kg, p.o., rMETase: 100 units, i.p., 14 consecutive days, n = 10). All treatments inhibited tumor growth compared to untreated control (TEM: p = 0.0003, rMETase: p = 0.0006, TEM/rMETase: p = 0.0002) on day 14 after initiation. Combination therapy of TEM and rMETase was significantly more effective than either mono-therapy (TEM: p = 0.0113, rMETase: p = 0.0173). The present study shows that TEM combined with rMETase is effective for BRAF-V600E-negative melanoma PDOX similar to the BRAF-V600E-positive mutation melanoma. These results suggest rMETase in combination with first-line chemotherapy can be highly effective in both BRAF-V600E-negative as well as BRAF-V600E-positive melanoma and has clinical potential for this recalcitrant disease.
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Affiliation(s)
- Kei Kawaguchi
- AntiCancer, Inc., San Diego, CA, USA
- Department of Surgery, University of California, San Diego, CA, USA
- Department of Surgery, Graduate School of Medicine, Tohoku University, Sendai, Japan
| | - Kentaro Igarashi
- AntiCancer, Inc., San Diego, CA, USA
- Department of Surgery, University of California, San Diego, CA, USA
| | | | | | | | - Kentaro Miyake
- AntiCancer, Inc., San Diego, CA, USA
- Department of Surgery, University of California, San Diego, CA, USA
| | - Tasuku Kiyuna
- AntiCancer, Inc., San Diego, CA, USA
- Department of Surgery, University of California, San Diego, CA, USA
| | - Masuyo Miyake
- AntiCancer, Inc., San Diego, CA, USA
- Department of Surgery, University of California, San Diego, CA, USA
| | - Takashi Murakami
- AntiCancer, Inc., San Diego, CA, USA
- Department of Surgery, University of California, San Diego, CA, USA
| | - Bartosz Chmielowski
- Division of Hematology-Oncology, University of California, Los Angeles, CA, USA
| | - Scott D. Nelson
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Tara A. Russell
- Division of Surgical Oncology, University of California, Los Angeles, CA, USA
| | - Sarah M. Dry
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Yunfeng Li
- Department of Pathology, University of California, Los Angeles, CA, USA
| | - Michiaki Unno
- Department of Surgery, Graduate School of Medicine, Tohoku University, Sendai, Japan
| | - Fritz C. Eilber
- Division of Surgical Oncology, University of California, Los Angeles, CA, USA
| | - Robert M. Hoffman
- AntiCancer, Inc., San Diego, CA, USA
- Department of Surgery, University of California, San Diego, CA, USA
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50
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Brachtel EF, Operaña TN, Sullivan PS, Kerr SE, Cherkis KA, Schroeder BE, Dry SM, Schnabel CA. Molecular classification of cancer with the 92-gene assay in cytology and limited tissue samples. Oncotarget 2017; 7:27220-31. [PMID: 27034010 PMCID: PMC5053644 DOI: 10.18632/oncotarget.8449] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2016] [Accepted: 03/20/2016] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Detailed molecular evaluation of cytology and limited tissue samples is increasingly becoming the standard for cancer care. Reproducible and accurate diagnostic approaches with reduced demands on cellularity are an ongoing unmet need. This study evaluated the performance of a 92-gene assay for molecular diagnosis of tumor type/subtype in cytology and limited tissue samples. METHODS Clinical validation of accuracy for the 92-gene assay in limited tissue samples such as cytology cell blocks, core biopsies and small excisions was conducted in a blinded multi-institutional study (N = 109, 48% metastatic, 53% grade II and III). Analytical success rate and diagnostic utility were evaluated in a consecutive series of 644 cytology cases submitted for clinical testing. RESULTS The 92-gene assay demonstrated 91% sensitivity (95% CI [0.84, 0.95]) for tumor classification, with high accuracy maintained irrespective of specimen type (100%, 92%, and 86% in FNA/cytology cell blocks, core biopsies, and small excisions, respectively; p = 0.26). The assay performed equally well for metastatic versus primary tumors (90% vs 93%, p = 0.73), and across histologic grades (100%, 90%, 89%, in grades I, II, and III, respectively; p = 0.75). In the clinical case series, a molecular diagnosis was reported in 87% of the 644 samples, identifying 23 different tumor types and allowing for additional mutational analysis in selected cases. CONCLUSIONS These findings demonstrate high accuracy and analytical success rate of the 92-gene assay, supporting its utility in the molecular diagnosis of cancer for specimens with limited tissue.
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Affiliation(s)
- Elena F Brachtel
- Department of Pathology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | | | - Peggy S Sullivan
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, USA
| | - Sarah E Kerr
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota, USA
| | | | | | - Sarah M Dry
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, USA
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