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Bacon ER, Ihle K, Guo W, Egelston CA, Simons DL, Wei C, Tumyan L, Schmolze D, Lee PP, Waisman JR. Tumor heterogeneity and clinically invisible micrometastases in metastatic breast cancer-a call for enhanced surveillance strategies. NPJ Precis Oncol 2024; 8:81. [PMID: 38553598 PMCID: PMC10980766 DOI: 10.1038/s41698-024-00572-3] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Accepted: 03/08/2024] [Indexed: 04/02/2024] Open
Abstract
The biology of metastatic breast cancer (MBC) is understudied, primarily due to the difficulty of procuring multiple samples from patients with oligometastatic breast cancer. We developed a rapid postmortem tissue procurement program that allows the collection and analysis of numerous metastatic lesions, subclinical locations, and potential pre-metastatic niches that fall within this scope. We conducted a rapid postmortem tissue collection study on 9 patients with MBC. Patients and their families consented to donate tissues immediately after death in an IRB-approved study. Various disease subtypes, progression histories, organ involvement, and final causes of death are reported. In patients with hormone receptor-positive (HR+) disease, estrogen receptor (ER), progesterone receptor (PR), HER2, and Ki-67 expression were heterogeneous across metastatic lesions within individual patients. Disease phenotype at the end of life trended toward complete loss of HR expression. Nearly all (n = 7) patients exhibited extensive tumor involvement of additional organs that had not been previously diagnosed clinically and were not retrospectively visible on recent imaging. Of these seven individuals, three included organs uncommonly associated with MBC: kidney, spleen, pancreas, and ovary. Finally, we identified clinically undetectable micrometastases in several organs uncommonly involved in MBC. Our findings raise several clinically relevant questions regarding the mechanisms of metastatic progression. Insights from this study argue for better surveillance strategies for monitoring MBC. We highlight the need to capture more accurate biomarker information in the context of heterogeneous disease and urge the consideration of treatment strategies that combine multiple targeted therapies.
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Affiliation(s)
- Eliza R Bacon
- The Center for Precision Medicine, City of Hope National Medical Center, Duarte, CA, USA.
- Department of Medical Oncology, City of Hope National Medical Center, Duarte, CA, USA.
| | - Kena Ihle
- The Center for Precision Medicine, City of Hope National Medical Center, Duarte, CA, USA
- Department of Medical Oncology, City of Hope National Medical Center, Duarte, CA, USA
| | - Weihua Guo
- Department of Immuno-Oncology, Beckman Research Institute at City of Hope, Duarte, CA, USA
| | - Colt A Egelston
- Department of Immuno-Oncology, Beckman Research Institute at City of Hope, Duarte, CA, USA
| | - Diana L Simons
- Department of Immuno-Oncology, Beckman Research Institute at City of Hope, Duarte, CA, USA
| | - Christina Wei
- Department of Pathology, City of Hope National Medical Center, Duarte, CA, USA
| | - Lusine Tumyan
- Diagnostic Radiology, City of Hope National Medical Center, Duarte, CA, 91010, USA
| | - Daniel Schmolze
- Department of Pathology, City of Hope National Medical Center, Duarte, CA, USA
| | - Peter P Lee
- Department of Immuno-Oncology, Beckman Research Institute at City of Hope, Duarte, CA, USA
| | - James R Waisman
- Department of Medical Oncology, City of Hope National Medical Center, Duarte, CA, USA
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Yue Z, Gao C, Xing T, Zhao W, Duan C, Wang X, Jin M, Su Y. Combined analysis of PHOX2B at two time points and its value for further risk stratification in high-risk neuroblastoma. Pediatr Blood Cancer 2023; 70:e30261. [PMID: 36815592 DOI: 10.1002/pbc.30261] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 01/18/2023] [Accepted: 01/30/2023] [Indexed: 02/24/2023]
Abstract
BACKGROUND Risk stratification of high-risk neuroblastoma (NB) is crucial for exploring treatments. This study aimed to explore the value of minimal residual disease (MRD) based on PHOX2B levels for further risk stratification in high-risk NB. METHODS The expression of PHOX2B was monitored at two time points (after two and six cycles of induction chemotherapy, TP1 and TP2, respectively) by real-time polymerase chain reaction (RT-PCR). The clinical characteristics between groups and survival rates were analyzed. RESULTS The study included 151 high-risk patients. Positive expression of PHOX2B at diagnosis was seen in 129 cases. PHOX2B was mainly expressed in patients with high lactate dehydrogenase (LDH) and neuron-specific enolase (NSE) levels (p < .001), bone marrow metastasis (p < .001), more than three metastatic organs (p < .001), 11q23 loss of heterozygosity (LOH) (p = .007), and when more events occurred (p = .012). The 4-year EFS rate was significantly lower in patients with positive PHOX2B expression compared to the negative group at diagnosis (32.9% ± 6.2% vs. 74.5% ± 10.1%, p = .005). We stratified the 151 patients into three MRD risk groups: low high-risk (low-HR), with TP1 less than 10-4 and TP2 less than 10-4 ; ultra-HR, with TP1 greater than or equal to 10-2 or TP2 greater than or equal to 10-4 , and others classified as intermediate-HR. Patients in ultra-HR had the worst survival rate compared with other two groups (p = .02). In a multivariate model, MRD risk stratification based on PHOX2B levels at TP1 and TP2 was an independent prognostic factor for high-risk patients (p = .001). Patients in ultra-HR were associated with 11q23 LOH (p < .001), more than three organs of metastasis (p = .005), bone marrow metastasis (p < .001), and occurrence of more events (p = .009). CONCLUSIONS MRD risk stratification based on PHOX2B levels at two time points (after two and six cycles of induction chemotherapy) provided a stratification system for high-risk NB, which successfully predicted treatment outcomes. Our results present an effective method for further stratification of high-risk NB.
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Affiliation(s)
- Zhixia Yue
- Hematologic Disease Laboratory, Hematology Center, Beijing Key Laboratory of Pediatric Hematology Oncology, Beijing, China
- National Key Discipline of Pediatrics, Capital Medical University, Beijing, China
- Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing, China
- Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Chao Gao
- Hematologic Disease Laboratory, Hematology Center, Beijing Key Laboratory of Pediatric Hematology Oncology, Beijing, China
- National Key Discipline of Pediatrics, Capital Medical University, Beijing, China
- Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing, China
- Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Tianyu Xing
- Hematologic Disease Laboratory, Hematology Center, Beijing Key Laboratory of Pediatric Hematology Oncology, Beijing, China
- National Key Discipline of Pediatrics, Capital Medical University, Beijing, China
- Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing, China
- Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Wen Zhao
- Medical Oncology Department, Pediatric Oncology Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
- Beijing Key Laboratory of Pediatric Hematology Oncology, Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing, China
| | - Chao Duan
- Medical Oncology Department, Pediatric Oncology Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
- Beijing Key Laboratory of Pediatric Hematology Oncology, Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing, China
| | - Xisi Wang
- Medical Oncology Department, Pediatric Oncology Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
- Beijing Key Laboratory of Pediatric Hematology Oncology, Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing, China
| | - Mei Jin
- Medical Oncology Department, Pediatric Oncology Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
- Beijing Key Laboratory of Pediatric Hematology Oncology, Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing, China
| | - Yan Su
- Medical Oncology Department, Pediatric Oncology Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
- Beijing Key Laboratory of Pediatric Hematology Oncology, Key Laboratory of Major Diseases in Children, Ministry of Education, Beijing, China
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Ffrench B, Kashdan E, Huang Y, Spillane CD, Cocchiglia S, Charmsaz S, Varešlija D, O'Brien C, Scholz D, Martin C, Gallagher M, Brooks DA, Brooks RD, Selemidis S, Gleeson N, AbuSaadeh F, O'Riain C, Kamran W, Flavin R, Young L, O'Toole SA, O'Leary JJ. CTC-5: A novel digital pathology approach to characterise circulating tumour cell biodiversity. Heliyon 2023; 9:e13044. [PMID: 36747925 DOI: 10.1016/j.heliyon.2023.e13044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Revised: 12/17/2022] [Accepted: 01/12/2023] [Indexed: 01/19/2023] Open
Abstract
Metastatic progression and tumor evolution complicates the clinical management of cancer patients. Circulating tumor cell (CTC) characterization is a growing discipline that aims to elucidate tumor metastasis and evolution processes. CTCs offer the clinical potential to monitor cancer patients for therapy response, disease relapse, and screen 'at risk' groups for the onset of malignancy. However, such clinical utility is currently limited to breast, prostate, and colorectal cancer patients. Further understanding of the basic CTC biology of other malignancies is required to progress them towards clinical utility. Unfortunately, such basic clinical research is often limited by restrictive characterization methods and high-cost barrier to entry for CTC isolation and imaging infrastructure. As experimental clinical results on applications of CTC are accumulating, it is becoming clear that a two-tier system of CTC isolation and characterization is required. The first tier is to facilitate basic research into CTC characterization. This basic research then informs a second tier specialised in clinical prognostic and diagnostic testing. This study presented in this manuscript describes the development and application of a low-cost, CTC isolation and characterization pipeline; CTC-5. This approach uses an established 'isolation by size' approach (ScreenCell Cyto) and combines histochemical morphology stains and multiparametric immunofluorescence on the same isolated CTCs. This enables capture and characterization of CTCs independent of biomarker-based pre-selection and accommodates both single CTCs and clusters of CTCs. Additionally, the developed open-source software is provided to facilitate the synchronization of microscopy data from multiple sources (https://github.com/CTC5/). This enables high parameter histochemical and immunofluorescent analysis of CTCs with existing microscopy infrastructure without investment in CTC specific imaging hardware. Our approach confirmed by the number of successful tests represents a potential major advance towards highly accessible low-cost technology aiming at the basic research tier of CTC isolation and characterization. The biomarker independent approach facilitates closing the gap between malignancies with poorly, and well-defined CTC phenotypes. As is currently the case for some of the most commonly occurring breast, prostate and colorectal cancers, such advances will ultimately benefit the patient, as early detection of relapse or onset of malignancy strongly correlates with their prognosis.
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4
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Le MCN, Smith KA, Alipanah M, Chen K, Lagmay JP, Fan ZH. Microfluidics-Enabled Isolation and Single-Cell Analysis of Circulating Tumor Cells. Methods Mol Biol 2023; 2689:71-93. [PMID: 37430048 DOI: 10.1007/978-1-0716-3323-6_7] [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] [Subscribe] [Scholar Register] [Indexed: 07/12/2023]
Abstract
Microfluidic platforms enable the enrichment and analysis of circulating tumor cells (CTCs), a potential biomarker for cancer diagnosis, prognosis, and theragnosis. Combined with immunocytochemistry/immunofluorescence (ICC/IF) assays for CTCs, microfluidics-enabled detection presents a unique opportunity to study tumor heterogeneity and predict treatment response, both of which can help cancer drug development. In this chapter, we detail the protocols and methods employed to fabricate and use a microfluidic device for the enrichment, detection, and analysis of single CTCs from the blood samples of sarcoma patients.
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Affiliation(s)
- Minh-Chau N Le
- Interdisciplinary Microsystems Group, Department of Mechanical and Aerospace Engineering, University of Florida, Gainesville, FL, USA
| | - Kierstin A Smith
- Interdisciplinary Microsystems Group, Department of Mechanical and Aerospace Engineering, University of Florida, Gainesville, FL, USA
| | - Morteza Alipanah
- Interdisciplinary Microsystems Group, Department of Mechanical and Aerospace Engineering, University of Florida, Gainesville, FL, USA
| | - Kangfu Chen
- Interdisciplinary Microsystems Group, Department of Mechanical and Aerospace Engineering, University of Florida, Gainesville, FL, USA
| | | | - Z Hugh Fan
- Interdisciplinary Microsystems Group, Department of Mechanical and Aerospace Engineering, University of Florida, Gainesville, FL, USA.
- J. Crayton Pruitt Family Department of Biomedical Engineering, Gainesville, FL, USA.
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5
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Jin T, Chen Y, Chen QY, Xiong Y, Yang JQ. Circulating tumor cells in peripheral blood as a diagnostic biomarker of breast cancer: A meta-analysis. Front Oncol 2023; 13:1103146. [PMID: 37035139 PMCID: PMC10073650 DOI: 10.3389/fonc.2023.1103146] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Accepted: 03/10/2023] [Indexed: 04/11/2023] Open
Abstract
Purpose Studies have reported that breast cancer (BC) patients' circulating tumor cells (CTCs) have varying results for their diagnostic role. Thus, we conducted a meta-analysis to systematically assess the accuracy of CTCs in the diagnosis of BC. Methods A meta-analysis was conducted to evaluate the overall accuracy of CTC detection. A pooled analysis of sensitivity (SEN), specificity (SPE), positive likelihood ratio (PLR), negative likelihood ratio (NLR), and diagnostic advantage ratio (DOR) was used to measure diagnostic accuracy. In addition, the area under the summary receiver operating characteristic curve (AUC) was used to discriminate BC from non-BC. An analysis of the threshold effect was calculated using the Spearman correlation coefficient. We calculated the Q and I2 statistics to determine whether the studies were heterogeneous. Sensitivity analysis was performed by removing studies one by one. Publication bias was assessed by Deeks' funnel plot asymmetry test. Results Studies from the PubMed, Cochrane Library, Embase, Web of Science, Wanfang, Vip, and CNKI databases were collected for diagnosing BC from January 2000 to April March 2023. Finally, 8 publications were retrieved in total containing 2014 cases involved in the study. Based on a random-effects model, it was found that the pooled SEN was 0.69 (0.55 - 0.80), SPE was 0.93 (0.60 - 0.99), PLR was 9.5 (1.4 - 65.9), NLR was 0.33 (0.23 - 0.48), DOR was 29 (4 - 205) and the AUC of the summary receiver operating characteristic (SROC) curve was 0.81 (0.77 - 0.84). Some heterogeneity was found in the article, but there was no threshold effect to account for it (P = 0.27). Deek's funnel plot asymmetry test indicated that no publication bias was observed in this meta-analysis (P = 0.52). Conclusion The results of this meta-analysis confirmed that CTCs were an important component of noninvasive methods of confirming BC with SEN of 0.69 (0.55 - 0.80), SPE of 0.93 (0.60 - 0.99) and AUC of 0.81 (0.77 - 0.84).
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Affiliation(s)
- Tao Jin
- Department of Gastrointestinal Surgery, West China Hospital, Sichuan University, Chengdu, China
- Laboratory of Gastric Cancer, State Key Laboratory of Biotherapy/Collaborative Innovation Center of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, China
| | - Yao Chen
- Breast Center, West China Hospital, Sichuan University, Chengdu, China
| | - Qing-Yan Chen
- Medical college, Hebei University of Engineering, Hebei, China
| | - Yang Xiong
- Department of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Ji-Qiao Yang
- Breast Center, West China Hospital, Sichuan University, Chengdu, China
- *Correspondence: Ji-Qiao Yang,
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Petrik J, Verbanac D, Fabijanec M, Hulina-Tomašković A, Čeri A, Somborac-Bačura A, Petlevski R, Grdić Rajković M, Rumora L, Krušlin B, Štefanović M, Ljubičić N, Baršić N, Hanžek A, Bočkor L, Ćelap I, Demirović A, Barišić K. Circulating Tumor Cells in Colorectal Cancer: Detection Systems and Clinical Utility. Int J Mol Sci 2022; 23:13582. [PMID: 36362369 PMCID: PMC9654465 DOI: 10.3390/ijms232113582] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 10/26/2022] [Accepted: 10/31/2022] [Indexed: 09/29/2023] Open
Abstract
Colorectal cancer (CRC) is the third most common cancer worldwide. The high mortality from CRC is mainly related to metastasis affecting distant organs and their function. Dissemination of tumor cells from the primary tumor and hematogeneous spread are considered crucial in the formation of tumor metastases. The analysis of circulating tumor cells (CTCs) and CTC clusters in the blood can be used for the early detection of invasive cancer. Moreover, CTCs have a prognostic significance in the monitoring of a malignant disease or the response to chemotherapy. This work presents an overview of the research conducted on CTCs with the aim of finding suitable detection systems and assessing the possibility of clinical applications in patients with CRC.
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Affiliation(s)
- József Petrik
- Department of Medical Biochemistry and Hematology, Faculty of Pharmacy and Biochemistry, University of Zagreb, Ante Kovačića 1, 10000 Zagreb, Croatia
| | - Donatella Verbanac
- Department of Medical Biochemistry and Hematology, Faculty of Pharmacy and Biochemistry, University of Zagreb, Ante Kovačića 1, 10000 Zagreb, Croatia
| | - Marija Fabijanec
- Department of Medical Biochemistry and Hematology, Faculty of Pharmacy and Biochemistry, University of Zagreb, Ante Kovačića 1, 10000 Zagreb, Croatia
| | - Andrea Hulina-Tomašković
- Department of Medical Biochemistry and Hematology, Faculty of Pharmacy and Biochemistry, University of Zagreb, Ante Kovačića 1, 10000 Zagreb, Croatia
| | - Andrea Čeri
- Department of Medical Biochemistry and Hematology, Faculty of Pharmacy and Biochemistry, University of Zagreb, Ante Kovačića 1, 10000 Zagreb, Croatia
| | - Anita Somborac-Bačura
- Department of Medical Biochemistry and Hematology, Faculty of Pharmacy and Biochemistry, University of Zagreb, Ante Kovačića 1, 10000 Zagreb, Croatia
| | - Roberta Petlevski
- Department of Medical Biochemistry and Hematology, Faculty of Pharmacy and Biochemistry, University of Zagreb, Ante Kovačića 1, 10000 Zagreb, Croatia
| | - Marija Grdić Rajković
- Department of Medical Biochemistry and Hematology, Faculty of Pharmacy and Biochemistry, University of Zagreb, Ante Kovačića 1, 10000 Zagreb, Croatia
| | - Lada Rumora
- Department of Medical Biochemistry and Hematology, Faculty of Pharmacy and Biochemistry, University of Zagreb, Ante Kovačića 1, 10000 Zagreb, Croatia
| | - Božo Krušlin
- School of Medicine, University of Zagreb, Šalata 3, 10000 Zagreb, Croatia
- Department of Pathology and Cytology “Ljudevit Jurak”, University Hospital Centre “Sestre milosrdnice”, University of Zagreb, Vinogradska 29, 10000 Zagreb, Croatia
| | - Mario Štefanović
- Department of Medical Biochemistry and Hematology, Faculty of Pharmacy and Biochemistry, University of Zagreb, Ante Kovačića 1, 10000 Zagreb, Croatia
- Department of Clinical Chemistry, University Hospital Centre “Sestre milosrdnice”, University of Zagreb, Vinogradska 29, 10000 Zagreb, Croatia
| | - Neven Ljubičić
- School of Medicine, University of Zagreb, Šalata 3, 10000 Zagreb, Croatia
- Department of Internal Medicine, University Hospital Centre “Sestre milosrdnice”, Division of Gastroenterology and Hepatology, University of Zagreb, Vinogradska 29, 10000 Zagreb, Croatia
- School of Dental Medicine, University of Zagreb, Gundulićeva 5, 10000 Zagreb, Croatia
| | - Neven Baršić
- School of Medicine, University of Zagreb, Šalata 3, 10000 Zagreb, Croatia
- Department of Internal Medicine, University Hospital Centre “Sestre milosrdnice”, Division of Gastroenterology and Hepatology, University of Zagreb, Vinogradska 29, 10000 Zagreb, Croatia
| | - Antonija Hanžek
- UPR CHROME, University of Nimes, 7 Place Gabriel Peri, 30000 Nîmes, France
| | - Luka Bočkor
- Centre for Applied Bioanthropology, Institute for Anthropological Research, Ljudevita Gaja 32, 10000 Zagreb, Croatia
| | - Ivana Ćelap
- Department of Medical Biochemistry and Hematology, Faculty of Pharmacy and Biochemistry, University of Zagreb, Ante Kovačića 1, 10000 Zagreb, Croatia
| | - Alma Demirović
- Department of Pathology and Cytology “Ljudevit Jurak”, University Hospital Centre “Sestre milosrdnice”, University of Zagreb, Vinogradska 29, 10000 Zagreb, Croatia
- School of Dental Medicine, University of Zagreb, Gundulićeva 5, 10000 Zagreb, Croatia
| | - Karmela Barišić
- Department of Medical Biochemistry and Hematology, Faculty of Pharmacy and Biochemistry, University of Zagreb, Ante Kovačića 1, 10000 Zagreb, Croatia
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7
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Mi J, Yang F, Liu J, Liu M, Lin AY, Wang DD, Lin PP, Zeng Q. Case report: Post-therapeutic laryngeal carcinoma patient possessing a high ratio of aneuploid CTECs to CTCs rapidly developed de novo malignancy in pancreas. Front Oncol 2022; 12:981907. [PMID: 36172149 PMCID: PMC9510919 DOI: 10.3389/fonc.2022.981907] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 08/22/2022] [Indexed: 11/13/2022] Open
Abstract
Effectively evaluating therapeutic efficacy, detecting minimal residual disease (MRD) after therapy completion, and predicting early occurrence of malignancy in cancer patients remain as unmet imperative clinical demands. This article presents a case of a laryngeal carcinoma patient who had a surgical resection and complete post-operative chemoradiotherapy in combination with the targeted therapy, then rapidly developed pancreatic adenocarcinoma. Detected by SE-iFISH, the patient had a substantial amount of 107 non-hematological aneuploid circulating rare cells including 14 circulating tumor cells (CTCs, CD31-/CD45-) and 93 circulating tumor endothelial cells (CTECs, CD31+/CD45-) with a high ratio of CTECs/CTCs > 5 upon finishing post-surgical combination regimens. Positive detection of those aneuploid non-hematological circulating rare cells was five months prior to subsequent plasma CA19-9 increasing and ten months before the de novo pancreatic cancer was diagnosed by medical imaging modalities. Besides previously reported clinical utilities of co-detection of aneuploid CD31- CTCs and CD31+ CTECs in real-time evaluation of therapeutic efficacy, longitudinal monitoring of emerging treatment resistance and adequate detection of MRD, a large cohort study is necessary to further investigate whether, and how, a high ratio of MRD CTECs to CTCs may function as an appropriate index forecasting either occurrence or metastatic distant recurrence of malignancy in post-therapeutic cancer patients.
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Affiliation(s)
- Jiaoping Mi
- Department of Otolaryngology-Head and Neck Surgery, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, China
| | - Fang Yang
- Cancer Center, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, China
| | - Jiani Liu
- Cancer Center, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, China
| | - Mingyang Liu
- State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Alexander Y. Lin
- Department of Oncology, Cytelligen, San Diego, CA, United States
| | | | - Peter Ping Lin
- Department of Oncology, Cytelligen, San Diego, CA, United States
- *Correspondence: Qi Zeng, ; Peter Ping Lin,
| | - Qi Zeng
- Cancer Center, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, China
- *Correspondence: Qi Zeng, ; Peter Ping Lin,
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Ahmadinejad F, Bos T, Hu B, Britt E, Koblinski J, Souers AJ, Leverson JD, Faber AC, Gewirtz DA, Harada H. Senolytic-Mediated Elimination of Head and Neck Tumor Cells Induced Into Senescence by Cisplatin. Mol Pharmacol 2022; 101:168-180. [PMID: 34907000 PMCID: PMC8969145 DOI: 10.1124/molpharm.121.000354] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Accepted: 11/25/2021] [Indexed: 01/10/2023] Open
Abstract
Therapeutic outcomes achieved in head and neck squamous cell carcinoma (HNSCC) patients by concurrent cisplatin-based chemoradiotherapy initially reflect both tumor regression and tumor stasis. However, local and distant metastasis and disease relapse are common in HNSCC patients. In the current work, we demonstrate that cisplatin treatment induces senescence in both p53 wild-type HN30 and p53 mutant HN12 head and neck cancer models. We also show that tumor cells can escape from senescence both in vitro and in vivo. We further establish the effectiveness of the senolytic, ABT-263 (Navitoclax), in elimination of senescent tumor cells after cisplatin treatment. Navitoclax increased apoptosis by 3.3-fold (P ≤ 0.05) at day 7 compared with monotherapy by cisplatin. Additionally, we show that ABT-263 interferes with the interaction between B-cell lymphoma-x large (BCL-XL) and BAX, anti- and pro-apoptotic proteins, respectively, followed by BAX activation, suggesting that ABT-263-induced apoptotic cell death is mediated through BAX. Our in vivo studies also confirm senescence induction in tumor cells by cisplatin, and the promotion of apoptosis coupled with a significant delay of tumor growth after sequential treatment with ABT-263. Sequential treatment with cisplatin followed by ABT-263 extended the humane endpoint to ∼130 days compared with cisplatin alone, where mice survived ∼75 days. These results support the premise that senolytic agents could be used to eliminate residual senescent tumor cells after chemotherapy and thereby potentially delay disease recurrence in head and neck cancer patients. SIGNIFICANCE STATEMENT: Disease recurrence is the most common cause of death in head and neck cancer patients. B-cell lymphoma-x large inhibitors such as ABT-263 (Navitoclax) have the capacity to be used in combination with cisplatin in head and neck cancer patients to eliminate senescent cells and possibly prevent disease relapse.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Hisashi Harada
- Department of Human and Molecular Genetics, School of Medicine (F.A.), Philips Institute for Oral Health Research, School of Dentistry (T.B., E.B., A.C.F., H.H.), Cancer Mouse Models Core (B.H., J.K.), and Department of Pharmacology and Toxicology, School of Medicine (D.A.G.), Massey Cancer Center, Virginia Commonwealth University, Richmond, Virginia; and AbbVie, North Chicago, Illinois (A.J.S., J.D.L.)
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9
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Hu C, Guo T, Li H, Xu P, Xiao Y. A novel NIR-II probe for improved tumor-targeting NIR-II imaging. RSC Adv 2021; 11:39287-39290. [PMID: 35492481 PMCID: PMC9044443 DOI: 10.1039/d1ra07135a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [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: 09/24/2021] [Accepted: 11/25/2021] [Indexed: 11/21/2022] Open
Abstract
In this work, we report a novel probe IR-RGD, which possesses a bright emission tail in the NIR-II region along with high quantum yield. Further, IR-RGD has been successfully used for tumor-targeting NIR-II fluorescence imaging with great potential for clinical translation. In this work, we report a novel probe IR-RGD, which possesses a bright emission tail in the NIR-II region along with high quantum yield.![]()
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Affiliation(s)
- Chao Hu
- Department of Radiology, The Second Xiangya Hospital, Central South University Changsha Hunan 410011 P. R. China
| | - Tengyu Guo
- College of Chemistry Jilin University Changchun 130012 P. R. China
| | - Huizhou Li
- Department of Radiology, The Second Xiangya Hospital, Central South University Changsha Hunan 410011 P. R. China
| | - Pengfei Xu
- Institute of Clinical Pharmacy & Pharmacology, Jining First People's Hospital, Jining Medical University Jining 272000 P. R. China
| | - Yudong Xiao
- Department of Radiology, The Second Xiangya Hospital, Central South University Changsha Hunan 410011 P. R. China
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Chen Z, Wang T, Chen C, Hong X, Yu J, Ma Y, Guo Y, Huang C, He X, Ju W, Chen M. Circulating Tumor Cell Is a Clinical Indicator of Pretransplant Radiofrequency Ablation for Patients with Hepatocellular Carcinoma. J Oncol 2021; 2021:7776389. [PMID: 34712326 DOI: 10.1155/2021/7776389] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 09/07/2021] [Accepted: 09/24/2021] [Indexed: 12/14/2022]
Abstract
Introduction It is of great significance to confirm reliable indicators for the guidance of pretransplant radiofrequency ablation (RFA) for hepatocellular carcinoma (HCC). In this study, we aim to investigate whether circulating tumor cell (CTC) status is a clinical indicator for RFA before liver transplantation (LT) in HCC patients. Method CTC analyses were measured in 79 HCC patients. Clinical outcomes including progression-free (PFS) and overall survival (OS) were compared and analyzed between patients with and without pretransplant RFA. Result Forty-two patients were detected as CTC-positive and 18 patients received pretransplant RFA. Recurrence was correlated with CTC count (P=0.024), tumor number (P=0.035), liver cirrhosis (P=0.001), Milan criteria (P=0.003), and University of California San Francisco (UCSF) criteria (P=0.001). Kaplan-Meier analysis revealed that patients with CTC-positive had a lower PFS rate (P=0.0257). For CTC-positive patients, the PFS rate of the pretransplant RFA group was significantly higher than the non-pretransplant RFA group (100% vs. 46.7%, P=0.0236). For CTC-negative patients, both PFS rate and OS rate were similar and without significant differences. In multivariate analysis, pretransplant RFA was the independent factor for PFS (P=0.025). Conclusion Pretransplant CTC status can guide the administration of pretransplant RFA in HCC patients which can improve PFS in CTC-positive HCC patients.
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11
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Lin AY, Wang DD, Li L, Lin PP. Identification and Comprehensive Co-Detection of Necrotic and Viable Aneuploid Cancer Cells in Peripheral Blood. Cancers (Basel) 2021; 13:5108. [PMID: 34680256 PMCID: PMC8534250 DOI: 10.3390/cancers13205108] [Citation(s) in RCA: 2] [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: 09/10/2021] [Revised: 10/07/2021] [Accepted: 10/09/2021] [Indexed: 02/03/2023] Open
Abstract
Aneuploid circulating tumor cells (CTCs, CD31-) and circulating tumor endothelial cells (CTECs, CD31+) exhibit an active interplay in peripheral blood, and play an essential role in tumorigenesis, neoangiogenesis, disease progression, therapy-resistant minimal residual disease (MRD), cancer metastasis and relapse. Currently, most CTC detection techniques are restricted to the indistinguishable quantification of circulating rare cells, including both necrotic and viable cells in cancer patients. Clinically imperative demands to distinguish and detect live and/or dead non-hematological aneuploid cancer cells in peripheral blood, which will assist in the rapid evaluation of therapeutic effects, real-time monitoring of treatment resistance longitudinally developed along with therapy and the effective detection of post-therapeutic MRD, have not yet been achieved. The integrated subtraction enrichment and immunostaining-fluorescence in situ hybridization (SE-iFISH)-derived novel strategy was developed in this study, aiming to precisely identify and detect live and necrotic cancer cells (NC) enriched from carcinoma patients' biofluids. The innovative SE-iFISH (NC) provides a meaningful and practical approach to co-detect various viable and necrotic aneuploid CTCs and CTECs. The detected circulating rare cells can be characterized and categorized into diverse subtypes based upon cell viability, morphology, multiple tumor markers' expression, and the degree of aneuploidy relevant to both malignancy and therapeutic resistance. Each subtype of live or necrotic CTCs and CTECs possesses distinct utility in anti-cancer drug development, translational research, and clinical practice.
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Affiliation(s)
| | | | | | - Peter Ping Lin
- Cytelligen, San Diego, CA 92121, USA; (A.Y.L.); (D.D.W.); (L.L.)
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12
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Sukhanova A, Ramos-Gomes F, Chames P, Sokolov P, Baty D, Alves F, Nabiev I. Multiphoton Deep-Tissue Imaging of Micrometastases and Disseminated Cancer Cells Using Conjugates of Quantum Dots and Single-Domain Antibodies. Methods Mol Biol 2021; 2350:105-23. [PMID: 34331282 DOI: 10.1007/978-1-0716-1593-5_8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
Abstract
Early detection of malignant tumors, micrometastases, and disseminated tumor cells is one of the effective way of fighting cancer. Among the many existing imaging methods like computed tomography (CT), ultrasound (US), magnetic resonance imaging (MRI), positron emission tomography (PET), and single-photon emission computed tomography (SPECT), optical imaging with fluorescent probes is one of the most promising alternatives because it is fast, inexpensive, safe, sensitive, and specific. However, traditional fluorescent probes, based on organic fluorescent dyes, suffer from the low signal-to-noise ratio. Furthermore, conventional organic fluorescent dyes are unsuitable for deep tissue imaging because of the strong visible light absorption by biological tissues. The use of fluorescent semiconductor nanocrystals, or quantum dots (QDs), may overcome this limitation due to their large multiphoton cross section, which ensures efficient imaging of thick tissue sections inaccessible with conventional fluorescent probes. Moreover, the lower photobleaching and higher brightness of fluorescence signals from QDs ensures a much better discrimination of positive signals from the background. The use of fluorescent nanoprobes based on QDs conjugated to uniformly oriented high-affinity single-domain antibodies (sdAbs) may significantly increase the sensitivity and specificity due to better recognition of analytes and deeper penetration into tissues due to small size of such nanoprobes.Here, we describe a protocol for the fabrication of nanoprobes based on sdAbs and QDs, preparation of experimental xenograft mouse models for quality control, and multiphoton imaging of deep-tissue solid tumors, micrometastases, and disseminated tumor cells.
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Zhang T, Zhang L, Gao Y, Wang Y, Liu Y, Zhang H, Wang Q, Hu F, Li J, Tan J, Wang DD, Gires O, Lin PP, Li B. Role of aneuploid circulating tumor cells and CD31 + circulating tumor endothelial cells in predicting and monitoring anti-angiogenic therapy efficacy in advanced NSCLC. Mol Oncol 2021; 15:2891-2909. [PMID: 34455700 PMCID: PMC8564645 DOI: 10.1002/1878-0261.13092] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [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: 05/19/2021] [Accepted: 08/23/2021] [Indexed: 12/18/2022] Open
Abstract
Prognosticating the efficacy of anti‐angiogenic therapy through longitudinal monitoring and early detection of treatment resistance in cancer patients remain highly challenging. In this study, co‐detection and comprehensive phenotypic and karyotypic molecular characterization of aneuploid circulating tumor cells (CTCs) and circulating tumor endothelial cells (CTECs) were conducted on non‐small cell lung cancer (NSCLC) patients receiving bevacizumab plus chemotherapy. Prognostic values of the cell‐based significant univariate risk factors identified by Cox regression analyses were progressively investigated. Subjects showing an increase in total post‐therapeutic platelet endothelial cell adhesion molecule‐1 (CD31)– CTCs and CD31+ CTECs exhibited a significantly reduced median progression‐free survival (mPFS) and overall survival. Further stratification analyses indicated that pretherapeutic patients bearing vimentin (Vim)+ CTECs (mesenchymal M‐type) at baseline revealed a significantly shortened mPFS compared with patients with Vim– CTECs. Post‐therapeutic patients harboring epithelial cell adhesion molecule (EpCAM)+ CTCs and CTECs (epithelial E‐type), regardless of Vim expression or not, showed a significantly reduced mPFS. Post‐therapeutic patients possessing de novo EpCAM+/Vim+ (hybrid E/M‐type) CTECs displayed the shortest mPFS. Patients harboring either pre‐ or post‐therapeutic EpCAM–/Vim– null CTECs (N‐type) exhibited a better response to therapy compared to patients harboring EpCAM+ and/or Vim+ CTECs. The presented results support the notion that baseline Vim+ CTECs and post‐therapeutic EpCAM+ CTCs and CTECs are predictive biomarkers for longitudinal monitoring of response to anti‐angiogenesis combination regimens in NSCLC patients.
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Affiliation(s)
- Tongmei Zhang
- Department of Medical Oncology, Beijing Chest Hospital, Capital Medical University, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, China
| | - Lina Zhang
- Department of Cellular and Molecular Biology, Beijing Chest Hospital, Capital Medical University, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, China
| | - Yuan Gao
- Department of Medical Oncology, Beijing Chest Hospital, Capital Medical University, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, China
| | - Ying Wang
- Department of Medical Oncology, Beijing Chest Hospital, Capital Medical University, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, China
| | - Yanxia Liu
- Department of Medical Oncology, Beijing Chest Hospital, Capital Medical University, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, China
| | - Hongmei Zhang
- Department of Medical Oncology, Beijing Chest Hospital, Capital Medical University, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, China
| | - Qunhui Wang
- Department of Medical Oncology, Beijing Chest Hospital, Capital Medical University, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, China
| | - Fanbin Hu
- Department of Medical Oncology, Beijing Chest Hospital, Capital Medical University, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, China
| | - Jie Li
- Department of Medical Oncology, Beijing Chest Hospital, Capital Medical University, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, China
| | - Jinjing Tan
- Department of Cellular and Molecular Biology, Beijing Chest Hospital, Capital Medical University, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, China
| | | | - Olivier Gires
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital, LMU Munich, Germany
| | | | - Baolan Li
- Department of Medical Oncology, Beijing Chest Hospital, Capital Medical University, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, China
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Pan Y, Lu B, Peng Y, Wang M, Deng Y, Yin Y, Yang J, Li G. A simple method to assay tumor cells based on target-initiated steric hindrance. Chem Commun (Camb) 2021; 57:6522-6525. [PMID: 34105555 DOI: 10.1039/d1cc02532e] [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: 11/21/2022]
Abstract
We have proposed a simple electrochemical method in this work for the assay of tumor cells through their own steric hindrance effect. Specifically, tumor cells can block the catalysis of terminal deoxynucleotidyl transferase to the aptamer previously immobilized on the electrode surface. By making use of the hindrance effect, cancer cells can be quantitatively analyzed in the range from 1.6 × 102 to 1.6 × 106 cells per mL without complicated design or cumbersome operation, while the detection limit can be about 53 cells per mL. This method can also show satisfactory performance in complex environments, indicating its potential in clinical application.
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Affiliation(s)
- Yanhong Pan
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210023, P. R. China
| | - Bing Lu
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210023, P. R. China
| | - Ying Peng
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210023, P. R. China
| | - Minghui Wang
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210023, P. R. China
| | - Ying Deng
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210023, P. R. China
| | - Yongmei Yin
- Department of Oncology, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, P. R. China
| | - Jie Yang
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210023, P. R. China
| | - Genxi Li
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210023, P. R. China and Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai 200444, P. R. China
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15
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Brown TC, Sankpal NV, Gillanders WE. Functional Implications of the Dynamic Regulation of EpCAM during Epithelial-to-Mesenchymal Transition. Biomolecules 2021; 11:956. [PMID: 34209658 DOI: 10.3390/biom11070956] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Revised: 06/11/2021] [Accepted: 06/16/2021] [Indexed: 12/12/2022] Open
Abstract
Epithelial cell adhesion molecule (EpCAM) is a transmembrane glycoprotein expressed in epithelial tissues. EpCAM forms intercellular, homophilic adhesions, modulates epithelial junctional protein complex formation, and promotes epithelial tissue homeostasis. EpCAM is a target of molecular therapies and plays a prominent role in tumor biology. In this review, we focus on the dynamic regulation of EpCAM expression during epithelial-to-mesenchymal transition (EMT) and the functional implications of EpCAM expression on the regulation of EMT. EpCAM is frequently and highly expressed in epithelial cancers, while silenced in mesenchymal cancers. During EMT, EpCAM expression is downregulated by extracellular signal-regulated kinases (ERK) and EMT transcription factors, as well as by regulated intramembrane proteolysis (RIP). The functional impact of EpCAM expression on tumor biology is frequently dependent on the cancer type and predominant oncogenic signaling pathways, suggesting that the role of EpCAM in tumor biology and EMT is multifunctional. Membrane EpCAM is cleaved in cancers and its intracellular domain (EpICD) is transported into the nucleus and binds β-catenin, FHL2, and LEF1. This stimulates gene transcription that promotes growth, cancer stem cell properties, and EMT. EpCAM is also regulated by epidermal growth factor receptor (EGFR) signaling and the EpCAM ectoderm (EpEX) is an EGFR ligand that affects EMT. EpCAM is expressed on circulating tumor and cancer stem cells undergoing EMT and modulates metastases and cancer treatment responses. Future research exploring EpCAM’s role in EMT may reveal additional therapeutic opportunities.
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16
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Zhang X, Guo X, Zong Y, Xu C, Wang J, Zhang B, Liu C, Gong Y, Xue L, Ma L, Zhang S, Li Y, Zeng H. CTCs detection from intraoperative salvaged blood in RCC-IVC thrombus patients by negative enrichment and iFISH identification: a preliminary study. BMC Urol 2021; 21:89. [PMID: 34112129 PMCID: PMC8191124 DOI: 10.1186/s12894-021-00803-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 02/26/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Intra-operative cell salvage (IOCS) and leukocyte-depleted filter (LDF) are widely used and effective in saving blood. However, the safety issue concerning reinfusion of IOCS-LDF processed blood to renal cell carcinoma (RCC) patients with inferior vena cava (IVC) thrombus were inconclusive for fear of increased risk of cancer metastases. This study intends to analyze the circulating tumor cell (CTC) eliminating effect of IOCS-LDF in 5 RCC-IVC thrombus patients. METHODS A novel strategy integrating negative enrichment by immunomagnetic beads and immunostaining-fluorescence in situ hybridization with probes identifying aneuploid of 8 and/or 7 were used to detect CTCs from salvages blood. Blood samples were collected from 4 stages in each patient. RESULTS Of the 5 RCC patients, the number of CTCs decreased (from 3, 4, 10, 7, 3, respectively, to all zero) after IOCS-LDF treatment. The triploid of chromosome 7 and/or chromosome 8 were most common karyotype for RCC patients with IVC thrombus. Tetraploid of chromosome 8 occurred in only one sample and no polypoid (number of chromosome > 4) were found. CONCLUSION IOCS-LDF might be a promising way of reducing of allogeneic product transfusion based on current preliminary outcome. More convincing conclusions are to be drawn with enlarged sample size and long-term follow-up for patients prognosis.
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Affiliation(s)
- Xiaoqing Zhang
- Department of Anesthesia, Peking University Third Hospital, Huayuan 49# Rd, Haidian Dist., Beijing, China
| | - Xiangyang Guo
- Department of Anesthesia, Peking University Third Hospital, Huayuan 49# Rd, Haidian Dist., Beijing, China
| | - Yanan Zong
- Department of Anesthesia, Peking University Third Hospital, Huayuan 49# Rd, Haidian Dist., Beijing, China
| | - Chuanya Xu
- Department of Anesthesia, Peking University Third Hospital, Huayuan 49# Rd, Haidian Dist., Beijing, China
| | - Jilian Wang
- Department of Anesthesia, Peking University Third Hospital, Huayuan 49# Rd, Haidian Dist., Beijing, China
| | - Bin Zhang
- Department of Anesthesia, Peking University Third Hospital, Huayuan 49# Rd, Haidian Dist., Beijing, China
| | - Chang Liu
- Department of Anesthesia, Peking University Third Hospital, Huayuan 49# Rd, Haidian Dist., Beijing, China
| | - Yueqing Gong
- Biological Sample Bank, Peking University Third Hospital, Beijing, China
| | - Lixiang Xue
- Biological Sample Bank, Peking University Third Hospital, Beijing, China
| | - Lulin Ma
- Department of Urology, Peking University Third Hospital, Beijing, China
| | - Shudong Zhang
- Department of Urology, Peking University Third Hospital, Beijing, China
| | - Yi Li
- Department of Anesthesia, Peking University Third Hospital, Huayuan 49# Rd, Haidian Dist., Beijing, China.
| | - Hong Zeng
- Department of Anesthesia, Peking University Third Hospital, Huayuan 49# Rd, Haidian Dist., Beijing, China.
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17
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Lin KS, Uemura S, Thwin KKM, Nakatani N, Ishida T, Yamamoto N, Tamura A, Saito A, Mori T, Hasegawa D, Kosaka Y, Nino N, Nagano C, Takafuji S, Iijima K, Nishimura N. Minimal residual disease in high-risk neuroblastoma shows a dynamic and disease burden-dependent correlation between bone marrow and peripheral blood. Transl Oncol 2021; 14:101019. [PMID: 33993097 PMCID: PMC8138775 DOI: 10.1016/j.tranon.2021.101019] [Citation(s) in RCA: 2] [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: 08/31/2020] [Revised: 10/20/2020] [Accepted: 01/12/2021] [Indexed: 11/04/2022] Open
Abstract
Bone marrow is the most frequent site of metastasis and relapse for neuroblastoma. Minimal residual disease has been identified in bone marrow and peripheral blood (BM-MRD and PB-MRD) by quantifying several sets of neuroblastoma-associated mRNAs. BM-MRD has significant prognostic information for high-risk neuroblastoma. BM-MRD and PB-MRD show a dynamic and disease burden-dependent correlation in high-risk neuroblastoma.
Neuroblastoma (NB) is the most common extracranial solid tumor in children and originates from sympathoadrenal or Schwann cell precursors derived from neural crest. These neural crest derivatives also constitute the hematopoietic and mesenchymal stem cells in bone marrow (BM) that is the most frequent site of NB metastasis and relapse. In NB patients, NB cells have been pathologically detected in BM and peripheral blood (PB), and minimal residual disease (MRD) in BM and PB (BM-MRD and PB-MRD) can be monitored by quantitating several sets of NB-associated mRNAs (NB-mRNAs). Although previous studies have shown varying degrees of correlation between BM-MRD and PB-MRD, the underlying factors and/or mechanisms remains unknown. In the present study, we determined the levels of BM-MRD and PB-MRD by quantitating seven NB-mRNAs in 133 pairs of concurrently collected BM and PB samples from 19 high-risk NB patients with clinical disease evaluation, and examined their correlation in overall and subgroups of sample pairs. The levels of BM-MRD and PB-MRD were moderately (r = 0.418, p < 0.001) correlated with each other in overall sample pairs. The correlation became strong (r = 0.725, p < 0.001), weak (r = 0.284, p = 0.008), and insignificant (p = 0.194) in progression, stable, and remission subgroups of sample pairs, respectively. It also became stronger in subgroups of sample pairs with poor treatment responses and poor prognostic factors. Present study suggests that MRD in high-risk NB shows a dynamic and disease burden-dependent correlation between BM and PB.
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Affiliation(s)
- Kyaw San Lin
- Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Suguru Uemura
- Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Khin Kyae Mon Thwin
- Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Naoko Nakatani
- Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Toshiaki Ishida
- Department of Hematology and Oncology, Kobe Children's Hospital, Kobe, Japan
| | - Nobuyuki Yamamoto
- Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Akihiro Tamura
- Department of Hematology and Oncology, Kobe Children's Hospital, Kobe, Japan
| | - Atsuro Saito
- Department of Hematology and Oncology, Kobe Children's Hospital, Kobe, Japan
| | - Takeshi Mori
- Department of Hematology and Oncology, Kobe Children's Hospital, Kobe, Japan
| | - Daiichiro Hasegawa
- Department of Hematology and Oncology, Kobe Children's Hospital, Kobe, Japan
| | - Yoshiyuki Kosaka
- Department of Hematology and Oncology, Kobe Children's Hospital, Kobe, Japan
| | - Nanako Nino
- Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, Japan
| | - China Nagano
- Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Satoru Takafuji
- Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Kazumoto Iijima
- Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Noriyuki Nishimura
- Department of Public Health, Kobe University Graduate School of Health Science, Kobe, Japan.
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Kalita B, Coumar MS. Deciphering molecular mechanisms of metastasis: novel insights into targets and therapeutics. Cell Oncol (Dordr) 2021; 44:751-775. [PMID: 33914273 DOI: 10.1007/s13402-021-00611-2] [Citation(s) in RCA: 2] [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: 08/08/2020] [Accepted: 04/19/2021] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND The transition of a primary tumour to metastatic progression is driven by dynamic molecular changes, including genetic and epigenetic alterations. The metastatic cascade involves bidirectional interactions among extracellular and intracellular components leading to disintegration of cellular junctions, cytoskeleton reorganization and epithelial to mesenchymal transition. These events promote metastasis by reprogramming the primary cancer cell's molecular framework, enabling them to cause local invasion, anchorage-independent survival, cell death and immune resistance, extravasation and colonization of distant organs. Metastasis follows a site-specific pattern that is still poorly understood at the molecular level. Although various drugs have been tested clinically across different metastatic cancer types, it has remained difficult to develop efficacious therapeutics due to complex molecular layers involved in metastasis as well as experimental limitations. CONCLUSIONS In this review, a systemic evaluation of the molecular mechanisms of metastasis is outlined and the potential molecular components and their status as therapeutic targets and the associated pre-clinical and clinical agents available or under investigations are discussed. Integrative methods like pan-cancer data analysis, which can provide clinical insights into both targets and treatment decisions and help in the identification of crucial components driving metastasis such as mutational profiles, gene signatures, associated pathways, site specificities and disease-gene phenotypes, are discussed. A multi-level data integration of the metastasis signatures across multiple primary and metastatic cancer types may facilitate the development of precision medicine and open up new opportunities for future therapies.
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Affiliation(s)
- Bikashita Kalita
- Centre for Bioinformatics, School of Life Sciences, Pondicherry University, Kalapet, Pondicherry, 605014, India
| | - Mohane Selvaraj Coumar
- Centre for Bioinformatics, School of Life Sciences, Pondicherry University, Kalapet, Pondicherry, 605014, India.
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19
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Rezaei M, Radfar P, Winter M, McClements L, Thierry B, Warkiani ME. Simple-to-Operate Approach for Single Cell Analysis Using a Hydrophobic Surface and Nanosized Droplets. Anal Chem 2021; 93:4584-4592. [PMID: 33656329 DOI: 10.1021/acs.analchem.0c05026] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Microfluidics-based technologies for single-cell analysis are becoming increasingly important tools in biological studies. With the increasing sophistication of microfluidics, cellular barcoding techniques, and next-generation sequencing, a more detailed picture of cellular subtype is emerging. Unfortunately, the majority of the methods developed for single-cell analysis are high-throughput and not suitable for rare cell analysis as they require a high input cell number. Here, we report a low-cost and reproducible method for rare single-cell analysis using a highly hydrophobic surface and nanosized static droplets. Our method allows rapid and efficient on-chip single-cell lysis and subsequent collection of genetic materials in nanoliter droplets using a micromanipulator or a laboratory pipette before subsequent genetic analysis. We show precise isolation of single cancer cells with high purity using two different strategies (i- cytospin and ii- static droplet array) for subsequent RNA analysis using droplet digital polymerase chain reaction (PCR) and real-time PCR. Our highly controlled isolation method opens a new avenue for the study of subcellular functional mechanisms, enabling the identification of rare cells of potential functional or pathogenic consequence.
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Affiliation(s)
- Meysam Rezaei
- School of Biomedical Engineering, University of Technology Sydney, Sydney, New South Wales, 2007, Australia.,Institute for Biomedical Materials and Devices (IBMD), Faculty of Science, University of Technology Sydney, Sydney, New South Wales 2007, Australia.,SUStech-UTS Joint Research Centre for Biomedical Materials and Devices, Southern University of Science and Technology, Shenzhen 518055, People's Republic of China
| | - Payar Radfar
- School of Biomedical Engineering, University of Technology Sydney, Sydney, New South Wales, 2007, Australia
| | - Marnie Winter
- Future Industries Institute, University of South Australia, Mawson Lakes Campus, Adelaide, South Australia 5095, Australia
| | - Lana McClements
- School of Life Sciences, University of Technology Sydney, Sydney, New South Wales, 2007, Australia
| | - Benjamin Thierry
- Future Industries Institute, University of South Australia, Mawson Lakes Campus, Adelaide, South Australia 5095, Australia
| | - Majid Ebrahimi Warkiani
- School of Biomedical Engineering, University of Technology Sydney, Sydney, New South Wales, 2007, Australia.,Institute for Biomedical Materials and Devices (IBMD), Faculty of Science, University of Technology Sydney, Sydney, New South Wales 2007, Australia.,SUStech-UTS Joint Research Centre for Biomedical Materials and Devices, Southern University of Science and Technology, Shenzhen 518055, People's Republic of China.,Institute of Molecular Medicine, Sechenov University, Moscow 119991, Russia
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20
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Ramamoorthi G, Kodumudi K, Gallen C, Zachariah NN, Basu A, Albert G, Beyer A, Snyder C, Wiener D, Costa RLB, Czerniecki BJ. Disseminated cancer cells in breast cancer: Mechanism of dissemination and dormancy and emerging insights on therapeutic opportunities. Semin Cancer Biol 2021; 78:78-89. [PMID: 33626407 DOI: 10.1016/j.semcancer.2021.02.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [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: 11/02/2020] [Revised: 12/22/2020] [Accepted: 02/07/2021] [Indexed: 02/07/2023]
Abstract
Metastatic spread in breast cancer patients is the major driver of cancer-related deaths. A unique subset of cells disseminated from pre-invasive or primary tumor lesions are recognized as the main seeds for metastatic outgrowth. Disseminated cancer cells (DCCs) can migrate to distant organs and settle in a dormant state for a prolonged period until they emerge to overt metastases. Understanding the biology of breast cancer cells dissemination, dormancy and reactivation to form overt metastases has become an important focus. In this review, we discuss the recent advancements of molecular pathways involving breast cancer cell dissemination, role of chemokine-chemokine receptor networks in DCCs migration, DCCs phenotypic heterogeneity and unique genes signatures in tumor dormancy, microenvironmental regulation and specific niches that favors DCCs homing and dormancy. In addition, we also discuss recent findings relating to the role of immune response on DCC dissemination and dormancy. With recent advances in the field of immunotherapy/targeted therapy and its beneficial effects in cancer treatment, this review will focus on their impact on DCCs, reversal of stemness, tumor dormancy and metastatic relapse.
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Affiliation(s)
- Ganesan Ramamoorthi
- Clinical Science & Immunology Program, H. Lee Moffitt Cancer Center, Tampa, FL, United States
| | - Krithika Kodumudi
- Clinical Science & Immunology Program, H. Lee Moffitt Cancer Center, Tampa, FL, United States
| | - Corey Gallen
- Clinical Science & Immunology Program, H. Lee Moffitt Cancer Center, Tampa, FL, United States
| | - Nadia Nocera Zachariah
- Clinical Science & Immunology Program, H. Lee Moffitt Cancer Center, Tampa, FL, United States; Department of Breast Oncology H. Lee Moffitt Cancer Center, Tampa, FL, United States
| | - Amrita Basu
- Clinical Science & Immunology Program, H. Lee Moffitt Cancer Center, Tampa, FL, United States
| | - Gabriella Albert
- Clinical Science & Immunology Program, H. Lee Moffitt Cancer Center, Tampa, FL, United States
| | - Amber Beyer
- Clinical Science & Immunology Program, H. Lee Moffitt Cancer Center, Tampa, FL, United States
| | - Colin Snyder
- Clinical Science & Immunology Program, H. Lee Moffitt Cancer Center, Tampa, FL, United States
| | - Doris Wiener
- Clinical Science & Immunology Program, H. Lee Moffitt Cancer Center, Tampa, FL, United States
| | - Ricardo L B Costa
- Clinical Science & Immunology Program, H. Lee Moffitt Cancer Center, Tampa, FL, United States; Department of Breast Oncology H. Lee Moffitt Cancer Center, Tampa, FL, United States
| | - Brian J Czerniecki
- Clinical Science & Immunology Program, H. Lee Moffitt Cancer Center, Tampa, FL, United States; Department of Breast Oncology H. Lee Moffitt Cancer Center, Tampa, FL, United States.
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21
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Singh B, Arora S, D'Souza A, Kale N, Aland G, Bharde A, Quadir M, Calderón M, Chaturvedi P, Khandare J. Chemo-specific designs for the enumeration of circulating tumor cells: advances in liquid biopsy. J Mater Chem B 2021; 9:2946-2978. [PMID: 33480960 DOI: 10.1039/d0tb02574g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Advanced materials and chemo-specific designs at the nano/micrometer-scale have ensured revolutionary progress in next-generation clinically relevant technologies. For example, isolating a rare population of cells, like circulating tumor cells (CTCs) from the blood amongst billions of other blood cells, is one of the most complex scientific challenges in cancer diagnostics. The chemical tunability for achieving this degree of exceptional specificity for extra-cellular biomarker interactions demands the utility of advanced entities and multistep reactions both in solution and in the insoluble state. Thus, this review delineates the chemo-specific substrates, chemical methods, and structure-activity relationships (SARs) of chemical platforms used for isolation and enumeration of CTCs in advancing the relevance of liquid biopsy in cancer diagnostics and disease management. We highlight the synthesis of cell-specific, tumor biomarker-based, chemo-specific substrates utilizing functionalized linkers through chemistry-based conjugation strategies. The capacity of these nano/micro substrates to enhance the cell interaction specificity and efficiency with the targeted tumor cells is detailed. Furthermore, this review accounts for the importance of CTC capture and other downstream processes involving genotypic and phenotypic CTC analysis in real-time for the detection of the early onset of metastases progression and chemotherapy treatment response, and for monitoring progression free-survival (PFS), disease-free survival (DFS), and eventually overall survival (OS) in cancer patients.
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Affiliation(s)
- Balram Singh
- Actorius Innovations and Research Pvt. Ltd, Pune, 411057, India.
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22
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Bali P, Lozano-Pope I, Pachow C, Obonyo M. Early detection of tumor cells in bone marrow and peripheral blood in a fast‑progressing gastric cancer model. Int J Oncol 2021; 58:388-396. [PMID: 33469673 PMCID: PMC7864146 DOI: 10.3892/ijo.2021.5171] [Citation(s) in RCA: 2] [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: 05/30/2020] [Accepted: 10/15/2020] [Indexed: 12/13/2022] Open
Abstract
Helicobacter pylori (H. pylori) infection is a major risk factor for the development of gastric cancer. The authors previously demonstrated that in mice deficient in myeloid differentiation primary response 88 (Myd88−/−), infection with Helicobacter felis (H. felis) a close relative of H. pylori, subsequently rapidly progressed to neoplasia. The present study examined circulating tumor cells (CTCs) by measuring the expression of cytokeratins, epithelial-to-mesenchymal transition (EMT)-related markers and cancer stem cell (CSC) markers in bone marrow and peripheral blood from Myd88−/− and wild-type (WT) mice. Cytokeratins CK8/18 were detected as early as 4 months post-infection in Myd88−/− mice. By contrast, cytokeratins were not detected in WT mice even after 7 months post-infection. The expression of Mucin-1 (MUC1) was observed in both bone marrow and peripheral blood at different time points, suggesting its role in gastric cancer metastasis. Snail, Twist and ZEB were expressed at different levels in bone marrow and peripheral blood. The expression of these EMT-related markers suggests the manifestation of cancer metastasis in the early stages of disease development. LGR5, CD44 and CD133 were the most prominent CSC markers detected. The detection of CSC and EMT markers along with cytokeratins does reinforce their use as biomarkers for gastric cancer metastasis. This early detection of markers suggests that CTCs leave primary site even before cancer is well established. Thus, cytokeratins, EMT, and CSCs could be used as biomarkers to detect aggressive forms of gastric cancers. This information may prove to be of significance in stratifying patients for treatment prior to the onset of severe disease-related characteristics.
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Affiliation(s)
- Prerna Bali
- Department of Medicine, School of Medicine, University of California, San Diego, La Jolla, CA 92093‑0640, USA
| | - Ivonne Lozano-Pope
- Department of Medicine, School of Medicine, University of California, San Diego, La Jolla, CA 92093‑0640, USA
| | - Collin Pachow
- Department of Medicine, School of Medicine, University of California, San Diego, La Jolla, CA 92093‑0640, USA
| | - Marygorret Obonyo
- Department of Medicine, School of Medicine, University of California, San Diego, La Jolla, CA 92093‑0640, USA
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Abstract
EpCAM (epithelial cell adhesion molecule) was discovered four decades ago as a tumor antigen on colorectal carcinomas. Owing to its frequent and high expression on carcinomas and their metastases, EpCAM serves as a prognostic marker, a therapeutic target, and an anchor molecule on circulating and disseminated tumor cells (CTCs/DTCs), which are considered the major source for metastatic cancer cells. Today, EpCAM is reckoned as a multi-functional transmembrane protein involved in the regulation of cell adhesion, proliferation, migration, stemness, and epithelial-to-mesenchymal transition (EMT) of carcinoma cells. To fulfill these functions, EpCAM is instrumental in intra- and intercellular signaling as a full-length molecule and following regulated intramembrane proteolysis, generating functionally active extra- and intracellular fragments. Intact EpCAM and its proteolytic fragments interact with claudins, CD44, E-cadherin, epidermal growth factor receptor (EGFR), and intracellular signaling components of the WNT and Ras/Raf pathways, respectively. This plethora of functions contributes to shaping intratumor heterogeneity and partial EMT, which are major determinants of the clinical outcome of carcinoma patients. EpCAM represents a marker for the epithelial status of primary and systemic tumor cells and emerges as a measure for the metastatic capacity of CTCs. Consequentially, EpCAM has reclaimed potential as a prognostic marker and target on primary and systemic tumor cells.
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Affiliation(s)
- Olivier Gires
- Department of Otorhinolaryngology, University Hospital, LMU Munich, Marchioninistr. 15, 81377, Munich, Germany.
- Clinical Cooperation Group "Personalized Radiotherapy in Head and Neck Cancer", Helmholtz Zentrum, Neuherberg, Germany.
| | - Min Pan
- Department of Otorhinolaryngology, University Hospital, LMU Munich, Marchioninistr. 15, 81377, Munich, Germany
- Department of Otorhinolaryngology, The First Affiliated Hospital of Chongqing Medical University, No. 1 Youyi Road, Yuzhong District, Chongqing, 400016, China
| | - Henrik Schinke
- Department of Otorhinolaryngology, University Hospital, LMU Munich, Marchioninistr. 15, 81377, Munich, Germany
| | - Martin Canis
- Department of Otorhinolaryngology, University Hospital, LMU Munich, Marchioninistr. 15, 81377, Munich, Germany
| | - Patrick A Baeuerle
- Institute for Immunology, LMU Munich, Grosshadernerstr. 9, 82152 Planegg, Martinsried, Germany
- MPM Capital, Cambridge MA, 450 Kendall Street, Cambridge, MA, 02142, USA
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Lin PP. Aneuploid Circulating Tumor-Derived Endothelial Cell (CTEC): A Novel Versatile Player in Tumor Neovascularization and Cancer Metastasis. Cells 2020; 9:E1539. [PMID: 32599893 DOI: 10.3390/cells9061539] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 06/12/2020] [Accepted: 06/22/2020] [Indexed: 12/14/2022] Open
Abstract
Hematogenous and lymphogenous cancer metastases are significantly impacted by tumor neovascularization, which predominantly consists of blood vessel-relevant angiogenesis, vasculogenesis, vasculogenic mimicry, and lymphatic vessel-related lymphangiogenesis. Among the endothelial cells that make up the lining of tumor vasculature, a majority of them are tumor-derived endothelial cells (TECs), exhibiting cytogenetic abnormalities of aneuploid chromosomes. Aneuploid TECs are generated from “cancerization of stromal endothelial cells” and “endothelialization of carcinoma cells” in the hypoxic tumor microenvironment. Both processes crucially engage the hypoxia-triggered epithelial-to-mesenchymal transition (EMT) and endothelial-to-mesenchymal transition (EndoMT). Compared to the cancerization process, endothelialization of cancer cells, which comprises the fusion of tumor cells with endothelial cells and transdifferentiation of cancer cells into TECs, is the dominant pathway. Tumor-derived endothelial cells, possessing the dual properties of cancerous malignancy and endothelial vascularization ability, are thus the endothelialized cancer cells. Circulating tumor-derived endothelial cells (CTECs) are TECs shed into the peripheral circulation. Aneuploid CD31+ CTECs, together with their counterpart CD31- circulating tumor cells (CTCs), constitute a unique pair of cellular circulating tumor biomarkers. This review discusses a proposed cascaded framework that focuses on the origins of TECs and CTECs in the hypoxic tumor microenvironment and their clinical implications for tumorigenesis, neovascularization, disease progression, and cancer metastasis. Aneuploid CTECs, harboring hybridized properties of malignancy, vascularization and motility, may serve as a unique target for developing a novel metastasis blockade cancer therapy.
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25
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Xie N, Hu Z, Tian C, Xiao H, Liu L, Yang X, Li J, Wu H, Lu J, Gao J, Hu X, Cao M, Shui Z, Ouyang Q. In Vivo Detection of CTC and CTC Plakoglobin Status Helps Predict Prognosis in Patients with Metastatic Breast Cancer. Pathol Oncol Res 2020; 26:2435-2442. [PMID: 32557169 DOI: 10.1007/s12253-020-00847-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [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: 07/09/2019] [Accepted: 06/10/2020] [Indexed: 12/27/2022]
Abstract
This study aims to detect the prognostic value of circulating tumour cell (CTC) in patients with metastatic breast cancer. In this study, 38 patients with metastatic breast cancer were enrolled. The in vivo CellCollector® method was used to detect the number of CTC in patients. Single CTC and CTC clusters were counted, and the expression of plakoglobin was also analysed. At baseline, 73.7% (28/38) of the patients were positive for ≥ 1 CTC (range, 1-14 cells). No CTC-like events were observed in the control group. Among the CTC-positive patients, 21.4% (6/28) of patients had CTC clusters, and 42.9% (12/28) of patients had plakoglobin-positive CTC. After chemotherapy, 48.6% (17/35) of the patients were positive for ≥ 1 CTC (range, 1-3 cells), of which 3 patients had CTC clusters, and 35.3% (6/17) had plakoglobin-positive CTC. Additionally, we found that the number of CTC clusters in plakoglobin-positive patients was much greater than that in plakoglobin-negative patients, and the number of CTC was associated with the number of sites of metastases. We also found that patients with ≥ 3 CTC at baseline had shorter progression-free survival (PFS) and overall survival (OS), and pre-chemotherapy CTC detection was associated with PFS (P = 0.0001) and OS (P = 0.0091). CTC plakoglobin expression was associated with PFS (P = 0.02) but not OS (P = 0.22). CTC collected by the in vivo CellCollector method in Chinese patients with metastatic breast cancer have prognostic significance. CTC plakoglobin expression may be associated with CTC clusters, and more in-depth studies are needed.
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Affiliation(s)
- Ning Xie
- Department of Breast Cancer Medical Oncology, Hunan Cancer Hospital, the Affiliated Cancer Hospital of Xiangya Medical School, Central South University, No. 283, Tongzipo Road, Changsha, 410013, People's Republic of China
| | - Zheyu Hu
- Department of Breast Cancer Medical Oncology, Hunan Cancer Hospital, the Affiliated Cancer Hospital of Xiangya Medical School, Central South University, No. 283, Tongzipo Road, Changsha, 410013, People's Republic of China
| | - Can Tian
- Department of Breast Cancer Medical Oncology, Hunan Cancer Hospital, the Affiliated Cancer Hospital of Xiangya Medical School, Central South University, No. 283, Tongzipo Road, Changsha, 410013, People's Republic of China
| | - Huawu Xiao
- Department of Breast Cancer Medical Oncology, Hunan Cancer Hospital, the Affiliated Cancer Hospital of Xiangya Medical School, Central South University, No. 283, Tongzipo Road, Changsha, 410013, People's Republic of China
| | - Liping Liu
- Department of Breast Cancer Medical Oncology, Hunan Cancer Hospital, the Affiliated Cancer Hospital of Xiangya Medical School, Central South University, No. 283, Tongzipo Road, Changsha, 410013, People's Republic of China
| | - Xiaohong Yang
- Department of Breast Cancer Medical Oncology, Hunan Cancer Hospital, the Affiliated Cancer Hospital of Xiangya Medical School, Central South University, No. 283, Tongzipo Road, Changsha, 410013, People's Republic of China
| | - Jing Li
- Department of Breast Cancer Medical Oncology, Hunan Cancer Hospital, the Affiliated Cancer Hospital of Xiangya Medical School, Central South University, No. 283, Tongzipo Road, Changsha, 410013, People's Republic of China
| | - Hui Wu
- Department of Breast Cancer Medical Oncology, Hunan Cancer Hospital, the Affiliated Cancer Hospital of Xiangya Medical School, Central South University, No. 283, Tongzipo Road, Changsha, 410013, People's Republic of China
| | - Jun Lu
- Department of Breast Cancer Medical Oncology, Hunan Cancer Hospital, the Affiliated Cancer Hospital of Xiangya Medical School, Central South University, No. 283, Tongzipo Road, Changsha, 410013, People's Republic of China
| | - Jianxiang Gao
- Department of Breast Cancer Medical Oncology, Hunan Cancer Hospital, the Affiliated Cancer Hospital of Xiangya Medical School, Central South University, No. 283, Tongzipo Road, Changsha, 410013, People's Republic of China
| | - Xuming Hu
- Department of Breast Cancer Medical Oncology, Hunan Cancer Hospital, the Affiliated Cancer Hospital of Xiangya Medical School, Central South University, No. 283, Tongzipo Road, Changsha, 410013, People's Republic of China
| | - Min Cao
- Department of Breast Cancer Medical Oncology, Hunan Cancer Hospital, the Affiliated Cancer Hospital of Xiangya Medical School, Central South University, No. 283, Tongzipo Road, Changsha, 410013, People's Republic of China
| | - Zhengrong Shui
- Department of Breast Cancer Medical Oncology, Hunan Cancer Hospital, the Affiliated Cancer Hospital of Xiangya Medical School, Central South University, No. 283, Tongzipo Road, Changsha, 410013, People's Republic of China
| | - Quchang Ouyang
- Department of Breast Cancer Medical Oncology, Hunan Cancer Hospital, the Affiliated Cancer Hospital of Xiangya Medical School, Central South University, No. 283, Tongzipo Road, Changsha, 410013, People's Republic of China.
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26
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Wu J, Raba K, Guglielmi R, Behrens B, Van Dalum G, Flügen G, Koch A, Patel S, Knoefel WT, Stoecklein NH, Neves RPL. Magnetic-Based Enrichment of Rare Cells from High Concentrated Blood Samples. Cancers (Basel) 2020; 12:E933. [PMID: 32290064 PMCID: PMC7225976 DOI: 10.3390/cancers12040933] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [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: 03/02/2020] [Revised: 03/30/2020] [Accepted: 04/08/2020] [Indexed: 12/12/2022] Open
Abstract
Here, we tested two magnetic-bead based systems for the enrichment and detection of rare tumor cells in concentrated blood products. For that, the defined numbers of cells from three pancreatic cancer cell lines were spiked in 108 peripheral blood mononuclear cells (PBMNCs) concentrated in 1 mL, mimicking diagnostic leukapheresis (DLA) samples, and samples were processed for circulating tumor cells (CTC) enrichment with the IsoFlux or the KingFisher systems, using different types of magnetic beads from the respective technology providers. Beads were conjugated with different anti-EpCAM and MUC-1 antibodies. Recovered cells were enumerated and documented by fluorescent microscopy. For the IsoFlux system, best performance was obtained with IsoFlux CTC enrichment kit, but these beads compromised the subsequent immunofluorescence staining. For the KingFisher system, best recoveries were obtained using Dynabeads Biotin Binder beads. These beads also allowed one to capture CTCs with different antibodies and the subsequent immunofluorescence staining. KingFisher instrument allowed a single and streamlined protocol for the enrichment and staining of CTCs that further prevented cell loss at the enrichment/staining interface. Both IsoFlux and KingFisher systems allowed the enrichment of cell line cells from the mimicked-DLA samples. However, in this particular experimental setting, the recovery rates obtained with the KingFisher system were globally higher, the system was more cost-effective, and it allowed higher throughput.
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Affiliation(s)
- Junhao Wu
- Department of General, Visceral and Pediatric Surgery, University Hospital and Medical Faculty of the Heinrich-Heine University Düsseldorf, Moorenstr. 5, 40225 Düsseldorf, Germany; (J.W.); (R.G.); (B.B.); (G.V.D.); (G.F.); (W.T.K.)
| | - Katharina Raba
- Institute for Transplantation Diagnostics and Cell Therapeutics, University Hospital and Medical Faculty of the Heinrich-Heine University Düsseldorf, 40225 Düsseldorf, Germany;
| | - Rosa Guglielmi
- Department of General, Visceral and Pediatric Surgery, University Hospital and Medical Faculty of the Heinrich-Heine University Düsseldorf, Moorenstr. 5, 40225 Düsseldorf, Germany; (J.W.); (R.G.); (B.B.); (G.V.D.); (G.F.); (W.T.K.)
| | - Bianca Behrens
- Department of General, Visceral and Pediatric Surgery, University Hospital and Medical Faculty of the Heinrich-Heine University Düsseldorf, Moorenstr. 5, 40225 Düsseldorf, Germany; (J.W.); (R.G.); (B.B.); (G.V.D.); (G.F.); (W.T.K.)
| | - Guus Van Dalum
- Department of General, Visceral and Pediatric Surgery, University Hospital and Medical Faculty of the Heinrich-Heine University Düsseldorf, Moorenstr. 5, 40225 Düsseldorf, Germany; (J.W.); (R.G.); (B.B.); (G.V.D.); (G.F.); (W.T.K.)
| | - Georg Flügen
- Department of General, Visceral and Pediatric Surgery, University Hospital and Medical Faculty of the Heinrich-Heine University Düsseldorf, Moorenstr. 5, 40225 Düsseldorf, Germany; (J.W.); (R.G.); (B.B.); (G.V.D.); (G.F.); (W.T.K.)
| | - Andreas Koch
- Thermo Fisher Scientific, Postfach 200152, Frankfurter Str. 129B, 64293 Darmstadt, Germany;
| | - Suraj Patel
- Thermo Fisher Scientific, 3 Fountain Drive, Inchinnan, Renfrew PA4 9RF, UK;
| | - Wolfram T. Knoefel
- Department of General, Visceral and Pediatric Surgery, University Hospital and Medical Faculty of the Heinrich-Heine University Düsseldorf, Moorenstr. 5, 40225 Düsseldorf, Germany; (J.W.); (R.G.); (B.B.); (G.V.D.); (G.F.); (W.T.K.)
| | - Nikolas H. Stoecklein
- Department of General, Visceral and Pediatric Surgery, University Hospital and Medical Faculty of the Heinrich-Heine University Düsseldorf, Moorenstr. 5, 40225 Düsseldorf, Germany; (J.W.); (R.G.); (B.B.); (G.V.D.); (G.F.); (W.T.K.)
| | - Rui P. L. Neves
- Department of General, Visceral and Pediatric Surgery, University Hospital and Medical Faculty of the Heinrich-Heine University Düsseldorf, Moorenstr. 5, 40225 Düsseldorf, Germany; (J.W.); (R.G.); (B.B.); (G.V.D.); (G.F.); (W.T.K.)
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Francart ME, Vanwynsberghe AM, Lambert J, Bourcy M, Genna A, Ancel J, Perez-Boza J, Noël A, Birembaut P, Struman I, Polette M, Gilles C. Vimentin prevents a miR-dependent negative regulation of tissue factor mRNA during epithelial-mesenchymal transitions and facilitates early metastasis. Oncogene 2020; 39:3680-92. [PMID: 32152404 DOI: 10.1038/s41388-020-1244-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Revised: 02/18/2020] [Accepted: 02/21/2020] [Indexed: 01/31/2023]
Abstract
Epithelial-mesenchymal transitions (EMTs) are high-profile in the field of circulating tumor cells (CTCs). EMT-shifted CTCs are considered to encompass pre-metastatic subpopulations though underlying molecular mechanisms remain elusive. Our previous work identified tissue factor (TF) as an EMT-induced gene providing tumor cells with coagulant properties and supporting metastatic colonization by CTCs. We here report that vimentin, the type III intermediate filament considered a canonical EMT marker, contributes to TF regulation and positively supports coagulant properties and early metastasis. Different evidence further pointed to a new post-transcriptional regulatory mechanism of TF mRNA by vimentin: (1) vimentin silencing accelerated TF mRNA decay after actinomycin D treatment, reflecting TF mRNA stabilization, (2) RNA immunoprecipitation revealed enriched levels of TF mRNA in vimentin immunoprecipitate, (3) TF 3'-UTR-luciferase reporter vector assays implicated the 3'-UTR of TF mRNA in vimentin-dependent TF regulation, and (4) using different TF 3'UTR-luciferase reporter vectors mutated for potential miR binding sites and specific Target Site Blockers identified a key miR binding site in vimentin-dependent TF mRNA regulation. All together, these data support a novel mechanism by which vimentin interferes with a miR-dependent negative regulation of TF mRNA, thereby promoting coagulant activity and early metastasis of vimentin-expressing CTCs.
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28
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Hu B, Tian X, Li Y, Liu Y, Yang T, Han Z, An J, Kong L, Li Y. Epithelial-mesenchymal transition may be involved in the immune evasion of circulating gastric tumor cells via downregulation of ULBP1. Cancer Med 2020; 9:2686-2697. [PMID: 32077634 PMCID: PMC7163085 DOI: 10.1002/cam4.2871] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [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: 09/04/2019] [Revised: 01/08/2020] [Accepted: 01/09/2020] [Indexed: 12/24/2022] Open
Abstract
Background Increasing numbers of studies have demonstrated that circulating tumor cells (CTCs) undergo a phenotypic change termed epithelial‐mesenchymal transition (EMT), and researchers have proposed that EMT might provide CTCs with increased potential to survive in the different microenvironments encountered during metastasis through various ways, such as by increasing cell survival and early colonization. However, the exact role of EMT in CTCs remains unclear. Methods In this study, we identified CTCs of 41 patients with gastric cancer using Cyttel‐CTC and im‐FISH (immune‐fluorescence in situ hybridization) methods, and tested the expression of EMT markers and ULBP1 (a major member of the NKG2D—natural killer [NK] group 2 member D—ligand family) on CTCs. Moreover, we investigated the relationship between the expression of EMT markers and ULBP1 on CTCs and gastric cancer cell lines. Results Our results showed that the CTCs of gastric cancer patients exhibited three EMT marker subtypes, and that the expression of ULBP1 was significantly lower on mesenchymal phenotypic CTCs (M+CTCs) than on epithelial phenotypic CTCs (E+CTCs). EMT induced by TGF‐β in vitro produced a similar phenomenon, and we therefore proposed that EMT might be involved in the immune evasion of CTCs from NK cells by altering the expression of ULBP1. Conclusions Our study indicated that EMT might play a vital role in the immune invasion of CTCs by regulating the expression of ULBP1 on CTCs. These findings could provide potential strategies for targeting the immune evasion capacity of CTCs.
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Affiliation(s)
- Baoguang Hu
- Department of Gastrointestinal Surgery, Binzhou Medical University Hospital, Binzhou, China
| | - Xiaokun Tian
- Department of Gastrointestinal Surgery, Binzhou Medical University Hospital, Binzhou, China.,Department of Burn and Plastic Surgery, the Sixth People's Hospital of Zibo, Zibo, China
| | - Yanbin Li
- Department of Gastrointestinal Surgery, Binzhou Medical University Hospital, Binzhou, China
| | - Yangchun Liu
- Jiangxi Medical College, Queen Mary College of Nanchang University, Nanchang, China
| | - Tao Yang
- Department of Gastrointestinal Surgery, Binzhou Medical University Hospital, Binzhou, China
| | - Zhaodong Han
- Department of Clinical Laboratory, Binzhou Medical University Hospital, Binzhou, China
| | - Jiajia An
- Department of Clinical Laboratory, Binzhou Medical University Hospital, Binzhou, China
| | - Lingqun Kong
- Department of Hepatobiliary Surgery, Binzhou Medical University Hospital, Binzhou, China
| | - Yuming Li
- Department of Gastrointestinal Surgery, Binzhou Medical University Hospital, Binzhou, China
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Thwin KK, Ishida T, Uemura S, Yamamoto N, Lin KS, Tamura A, Kozaki A, Saito A, Kishimoto K, Mori T, Hasegawa D, Kosaka Y, Nino N, Takafuji S, Iijima K, Nishimura N. Level of Seven Neuroblastoma-Associated mRNAs Detected by Droplet Digital PCR Is Associated with Tumor Relapse/Regrowth of High-Risk Neuroblastoma Patients. J Mol Diagn 2020; 22:236-246. [DOI: 10.1016/j.jmoldx.2019.10.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2019] [Revised: 07/25/2019] [Accepted: 10/17/2019] [Indexed: 02/07/2023] Open
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30
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Zhang L, Zhang X, Liu Y, Zhang T, Wang Z, Gu M, Li Y, Wang DD, Li W, Lin PP. PD-L1+ aneuploid circulating tumor endothelial cells (CTECs) exhibit resistance to the checkpoint blockade immunotherapy in advanced NSCLC patients. Cancer Lett 2020; 469:355-366. [DOI: 10.1016/j.canlet.2019.10.041] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 10/22/2019] [Accepted: 10/27/2019] [Indexed: 12/23/2022]
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31
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Lauritano D, Oberti L, Gabrione F, Lucchese A, Petruzzi M, Carinci F, Lo Muzio L. Liquid biopsy in head and neck squamous cell carcinoma: Prognostic significance of circulating tumor cells and circulating tumor DNA. A systematic review. Oral Oncol 2019; 97:7-17. [DOI: 10.1016/j.oraloncology.2019.07.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2019] [Revised: 07/02/2019] [Accepted: 07/05/2019] [Indexed: 12/12/2022]
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32
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Pluquet O, Abbadie C, Coqueret O. Connecting cancer relapse with senescence. Cancer Lett 2019; 463:50-8. [DOI: 10.1016/j.canlet.2019.08.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Revised: 08/05/2019] [Accepted: 08/07/2019] [Indexed: 01/08/2023]
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Clermont PL, Ci X, Pandha H, Wang Y, Crea F. Treatment-emergent neuroendocrine prostate cancer: molecularly driven clinical guidelines. International Journal of Endocrine Oncology 2019. [DOI: 10.2217/ije-2019-0008] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
An increasingly recognized mechanism of prostate cancer resistance is the transdifferentiation from adenocarcinoma to treatment-emergent neuroendocrine prostate cancer (t-NEPC), an extremely aggressive malignancy. The incidence of t-NEPC has been increasing in recent years, in part due to novel treatments that target the androgen receptor pathway. While clinicians historically had very few options for t-NEPC detection and treatment, recent research has uncovered key diagnostic tools and therapeutic targets that can be translated into improved patient care. In this article, we will outline the clinical features of t-NEPC and its molecular pathogenesis. Importantly, we will also discuss recently uncovered molecularly based strategies aimed at improving the diagnosis and treatment of t-NEPC. Finally, we will propose a unified algorithm that integrates clinical and molecular information for the clinical management of t-NEPC.
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Affiliation(s)
- Pier-Luc Clermont
- Department of Medicine, Laval University, Quebec, QB, G1V 0A6, Canada
| | - Xinpei Ci
- Department of Experimental Therapeutics, BC Cancer Research Centre, Vancouver, BC, Canada
- Department of Urology, Vancouver Prostate Centre, University of British Columbia, Vancouver, V5Z 4E6, Canada
| | - Hardev Pandha
- Department of Clinical & Experimental Medicine, Faculty of Health & Medical Science, Leggett Building, Daphne Jackson Road, University of Surrey, Guildford, GU2 7WG, UK
| | - Yuzhuo Wang
- Department of Experimental Therapeutics, BC Cancer Research Centre, Vancouver, BC, Canada
| | - Francesco Crea
- School of Life, Health & Chemical Sciences, The Open University, Walton Hall, Milton Keynes, MK7 6AA, UK
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Zhao Y, Li J, Li D, Wang Z, Zhao J, Wu X, Sun Q, Lin PP, Plum P, Damanakis A, Gebauer F, Zhou M, Zhang Z, Schlösser H, Jauch KW, Nelson PJ, Bruns CJ. Tumor biology and multidisciplinary strategies of oligometastasis in gastrointestinal cancers. Semin Cancer Biol 2019; 60:334-343. [PMID: 31445220 DOI: 10.1016/j.semcancer.2019.08.026] [Citation(s) in RCA: 20] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Accepted: 08/20/2019] [Indexed: 12/11/2022]
Abstract
More than 70% of gastrointestinal (GI) cancers are diagnosed with metastases, leading to poor prognosis. For some cancer patients with limited sites of metastatic tumors, the term oligometastatic disease (OMD) has been coined as opposed to systemic polymetastasis (PMD) disease. Stephan Paget first described an organ-specific pattern of metastasis in 1889, now known as the "seed and soil" theory where distinct cancer types are found to metastasize to different tumor-specific sites. Our understanding of the biology of tumor metastasis and specifically the molecular mechanisms driving their formation are still limited, in particular, as it relates to the genesis of oligometastasis. In the following review, we discuss recent advances in general understanding of this metastatic behavior including the role of specific signaling pathways, various molecular features and biomarkers, as well as the interaction of carcinoma cells with their tissue microenvironments (both primary and metastatic niches). The unique features that underlie OMD provide potential targets for localized therapy. As it relates to clinical practice, OMD is emerging as treatable with surgical resection and/or other local therapy options. Strategies currently being applied in the clinical management of OMD will be discussed including surgical, radiation-based therapy, ablation procedures, and the results of emerging clinical trials involving immunotherapy.
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Affiliation(s)
- Yue Zhao
- Department of General, Visceral und Tumor Surgery, University Hospital Cologne, Kerpener Straße 62, 50937, Cologne, Germany; Department of General, Visceral und Vascular Surgery, Otto von Guericke University, Magdeburg, Germany.
| | - Jiahui Li
- Department of General, Visceral und Tumor Surgery, University Hospital Cologne, Kerpener Straße 62, 50937, Cologne, Germany
| | - Dai Li
- Department of General, Visceral und Tumor Surgery, University Hospital Cologne, Kerpener Straße 62, 50937, Cologne, Germany; Department of Anethesiology, Changhai Hospital, Naval Medical University, Shanghai, PR China
| | - Zhefang Wang
- Department of General, Visceral und Tumor Surgery, University Hospital Cologne, Kerpener Straße 62, 50937, Cologne, Germany
| | - Jiangang Zhao
- Department of General, Visceral und Tumor Surgery, University Hospital Cologne, Kerpener Straße 62, 50937, Cologne, Germany; Department of General, Visceral und Vascular Surgery, Ludwig-Maximilian-University (LMU), Munich, Germany
| | - Xiaolin Wu
- Department of General, Visceral und Tumor Surgery, University Hospital Cologne, Kerpener Straße 62, 50937, Cologne, Germany
| | - Qiye Sun
- Department of General, Visceral und Tumor Surgery, University Hospital Cologne, Kerpener Straße 62, 50937, Cologne, Germany
| | | | - Patrick Plum
- Department of General, Visceral und Tumor Surgery, University Hospital Cologne, Kerpener Straße 62, 50937, Cologne, Germany; Institute for Pathology, University Hospital Cologne, Cologne, Germany
| | - Alexander Damanakis
- Department of General, Visceral und Tumor Surgery, University Hospital Cologne, Kerpener Straße 62, 50937, Cologne, Germany
| | - Florian Gebauer
- Department of General, Visceral und Tumor Surgery, University Hospital Cologne, Kerpener Straße 62, 50937, Cologne, Germany
| | - Menglong Zhou
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Zhen Zhang
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Hans Schlösser
- Department of General, Visceral und Tumor Surgery, University Hospital Cologne, Kerpener Straße 62, 50937, Cologne, Germany; Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany; Center for Integrated Oncology (CIO) Achen, Bonn, Cologne and Düsseldorf, Cologne, Germany
| | - Karl-Walter Jauch
- Department of General, Visceral und Vascular Surgery, Ludwig-Maximilian-University (LMU), Munich, Germany
| | - Peter J Nelson
- Department of Internal Medicine IV, University Hospital of Munich, Ludwig-Maximilians-University Munich, Germany
| | - Christiane J Bruns
- Department of General, Visceral und Tumor Surgery, University Hospital Cologne, Kerpener Straße 62, 50937, Cologne, Germany; Center for Integrated Oncology (CIO) Achen, Bonn, Cologne and Düsseldorf, Cologne, Germany.
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Sanada T, Islam A, Kaminota T, Kirino Y, Tanimoto R, Yoshimitsu H, Yano H, Mizuno Y, Okada M, Mitani S, Ugumori T, Tanaka J, Hato N. Elevated exosomal lysyl oxidase like 2 is a potential biomarker for head and neck squamous cell carcinoma. Laryngoscope 2019; 130:E327-E334. [PMID: 31219623 DOI: 10.1002/lary.28142] [Citation(s) in RCA: 11] [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: 10/25/2018] [Revised: 04/23/2019] [Accepted: 05/29/2019] [Indexed: 12/22/2022]
Abstract
OBJECTIVES The secretory enzyme lysyl oxidase like 2 (LOXL2) is speculated to contribute to tumor progression through its functions in the remodeling of extracellular matrix and epithelial-mesenchymal transition. We previously identified elevated expression of LOXL2 in metastatic human head and neck squamous cell carcinoma (HNSCC) cells in a mouse lymph node metastases model. Here we performed a case series study examining LOXL2 expression levels in human serum from HNSCC patients to evaluate whether LOXL2 is worth evaluation in a large cohort study. METHODS LOXL2 protein levels in three serum samples from HNSCC patients were assessed by immunoblotting and LOXL2 tissue expression was examined in one human tongue squamous cell carcinoma (SCC) tissue by immunohistochemistry as a representative of HNSCC tissue. Serum samples were further fractionated in exosomes and supernatants by ultracentrifugation, which were then subjected to immunoblot and in vitro LOX activity analyses. Exosomal LOXL2 levels of 36 serum samples from HNSCC patients and seven healthy volunteers were measured using polymer sedimentation exosome preparation followed by ELISA measurement and subjected to statistical analyses. RESULTS Immunoblot analyses revealed that LOXL2 was present in serum exosomal fractions from three HNSCC patients, and we observed approximately threefold higher levels of LOXL2 in HNSCC patients compared with three healthy volunteers. Immunohistochemical LOXL2 staining was detected in HNSCC cells in addition to non-cancerous lipid tissues and some muscles in human tongue HNSCC tissue. Further measurements of exosomal LOXL2 by ELISA showed over ninefold higher mean LOXL2 levels in patients compared with controls. Statistical analysis revealed a correlation between elevated serum exosomal LOXL2 levels and low-grade, but not high-grade, HNSCC. CONCLUSIONS Our case series study that elevated serum exosomal LOXL2 levels exhibited a correlation with low-grade HNSCCs. A follow-up large cohort clinical study will be required to determine the potential clinical utility of LOXL2 as a new biomarker and/or therapy target for HNSCCs. LEVEL OF EVIDENCE 4 Laryngoscope, 130:E327-E334, 2020.
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Affiliation(s)
- Tomoyoshi Sanada
- Department of Otorhinolaryngology-Head and Neck Surgery, Ehime University, Ehime, Japan
| | - Afsana Islam
- Department of Molecular and Cellular Physiology, Ehime University, Ehime, Japan
| | - Teppei Kaminota
- Department of Otorhinolaryngology-Head and Neck Surgery, Ehime University, Ehime, Japan
| | - Yui Kirino
- School of Medicine, Ehime University, Ehime, Japan
| | | | | | - Hajime Yano
- Department of Molecular and Cellular Physiology, Ehime University, Ehime, Japan
| | - Yosuke Mizuno
- Department of Pathological Diagnosis, Matsuyama Red Cross Hospital, Ehime, Japan
| | - Masahiro Okada
- Department of Otorhinolaryngology-Head and Neck Surgery, Ehime University, Ehime, Japan
| | - Souhei Mitani
- Department of Otorhinolaryngology-Head and Neck Surgery, Ehime University, Ehime, Japan
| | - Tohru Ugumori
- Department of Otorhinolaryngology-Head and Neck Surgery, Ehime University, Ehime, Japan
| | - Junya Tanaka
- Department of Molecular and Cellular Physiology, Ehime University, Ehime, Japan
| | - Naohito Hato
- Department of Otorhinolaryngology-Head and Neck Surgery, Ehime University, Ehime, Japan
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Uemura S, Ishida T, Thwin KKM, Yamamoto N, Tamura A, Kishimoto K, Hasegawa D, Kosaka Y, Nino N, Lin KS, Takafuji S, Mori T, Iijima K, Nishimura N. Dynamics of Minimal Residual Disease in Neuroblastoma Patients. Front Oncol 2019; 9:455. [PMID: 31214500 PMCID: PMC6558004 DOI: 10.3389/fonc.2019.00455] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [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: 03/10/2019] [Accepted: 05/14/2019] [Indexed: 12/11/2022] Open
Abstract
Neuroblastoma is a common extracranial solid tumor of neural crest (NC) origin that accounts for up to 15% of all pediatric cancer deaths. The disease arises from a transient population of NC cells that undergo an epithelial-mesenchymal transition (EMT) and generate diverse cell-types and tissues. Patients with neuroblastoma are characterized by their extreme heterogeneity ranging from spontaneous regression to malignant progression. More than half of newly diagnosed patients present highly metastatic tumors and are stratified into a high-risk group with dismal outcome. As many as 20% of high-risk patients have residual disease that is refractory or progressive during induction chemotherapy. Although a majority of high-risk patients achieve remission, larger part of those patients has minimal residual disease (MRD) that causes relapse even after additional consolidation therapy. MRD is composed of drug-resistant tumor cells and dynamically presented as cancer stem cells (CSCs) in residual tumors, circulating tumor cells (CTCs) in peripheral blood (PB), and disseminated tumor cells (DTCs) in bone marrow (BM) and other metastatic sites. EMT appears to be a key mechanism for cancer cells to acquire MRD phenotypes and malignant aggressiveness. Due to the restricted availability of residual tumors, PB and BM have been used to isolate and analyze CTCs and DTCs to evaluate MRD in cancer patients. In addition, recent technical advances make it possible to use circulating tumor DNA (ctDNA) shed from tumor cells into PB for MRD evaluation. Because MRD can be detected by tumor-specific antigens, genetic or epigenetic changes, and mRNAs, numerous assays using different methods and samples have been reported to detect MRD in cancer patients. In contrast to the tumor-specific gene-rearrangement-positive acute lymphoblastic leukemia (ALL) and the oncogenic fusion-gene-positive chronic myelogenous leukemia (CML) and several solid tumors, the clinical significance of MRD remains to be established in neuroblastoma. Given the extreme heterogeneity of neuroblastoma, dynamics of MRD in neuroblastoma patients will hold a key to the clinical validation. In this review, we summarize the biology and detection methods of cancer MRD in general and evaluate the available assays and clinical significance of neuroblastoma MRD to clarify its dynamics in neuroblastoma patients.
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Affiliation(s)
- Suguru Uemura
- Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Toshiaki Ishida
- Department of Hematology and Oncology, Kobe Children's Hospital, Kobe, Japan
| | - Khin Kyae Mon Thwin
- Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Nobuyuki Yamamoto
- Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Akihiro Tamura
- Department of Hematology and Oncology, Kobe Children's Hospital, Kobe, Japan
| | - Kenji Kishimoto
- Department of Hematology and Oncology, Kobe Children's Hospital, Kobe, Japan
| | - Daiichiro Hasegawa
- Department of Hematology and Oncology, Kobe Children's Hospital, Kobe, Japan
| | - Yoshiyuki Kosaka
- Department of Hematology and Oncology, Kobe Children's Hospital, Kobe, Japan
| | - Nanako Nino
- Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Kyaw San Lin
- Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Satoru Takafuji
- Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Takeshi Mori
- Department of Hematology and Oncology, Kobe Children's Hospital, Kobe, Japan
| | - Kazumoto Iijima
- Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Noriyuki Nishimura
- Department of Pediatrics, Kobe University Graduate School of Medicine, Kobe, Japan
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Abstract
Cancer-initiating cells (CIC) are the driving force in tumor progression. There is strong evidence that CIC fulfill this task via exosomes (TEX), which modulate and reprogram stroma, nontransformed cells, and non-CIC. Characterization of CIC, besides others, builds on expression of CIC markers, many of which are known as metastasis-associated molecules. We here discuss that the linkage between CIC/CIC-TEX and metastasis-associated molecules is not fortuitously, but relies on the contribution of these markers to TEX biogenesis including loading and TEX target interactions. In addition, CIC markers contribute to TEX binding- and uptake-promoted activation of signaling cascades, transcription initiation, and translational control. Our point of view will be outlined for pancreas and colon CIC highly expressing CD44v6, Tspan8, EPCAM, claudin7, and LGR5, which distinctly but coordinately contribute to tumor progression. Despite overwhelming progress in unraveling the metastatic cascade and the multiple tasks taken over by CIC-TEX, there remains a considerable gap in linking CIC biomarkers, TEX, and TEX-initiated target modulation with metastasis. We will try to outline possible bridges, which could allow depicting pathways for new and expectedly powerful therapeutic interference with tumor progression.
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Affiliation(s)
- Zhe Wang
- Department of Oncology, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou, China.
| | - Margot Zöller
- Department of Oncology, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou, China.
- Pancreas Section, University Hospital of Surgery, Heidelberg, Germany.
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Liu X, Li J, Cadilha BL, Markota A, Voigt C, Huang Z, Lin PP, Wang DD, Dai J, Kranz G, Krandick A, Libl D, Zitzelsberger H, Zagorski I, Braselmann H, Pan M, Zhu S, Huang Y, Niedermeyer S, Reichel CA, Uhl B, Briukhovetska D, Suárez J, Kobold S, Gires O, Wang H. Epithelial-type systemic breast carcinoma cells with a restricted mesenchymal transition are a major source of metastasis. Sci Adv 2019; 5:eaav4275. [PMID: 31223646 PMCID: PMC6584608 DOI: 10.1126/sciadv.aav4275] [Citation(s) in RCA: 111] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Accepted: 05/15/2019] [Indexed: 05/21/2023]
Abstract
Carcinoma cells undergo epithelial-mesenchymal transition (EMT); however, contributions of EMT heterogeneity to disease progression remain a matter of debate. Here, we addressed the EMT status of ex vivo cultured circulating and disseminated tumor cells (CTCs/DTCs) in a syngeneic mouse model of metastatic breast cancer (MBC). Epithelial-type CTCs with a restricted mesenchymal transition had the strongest lung metastases formation ability, whereas mesenchymal-type CTCs showed limited metastatic ability. EpCAM expression served as a surrogate marker to evaluate the EMT heterogeneity of clinical samples from MBC, including metastases, CTCs, and DTCs. The proportion of epithelial-type CTCs, and especially DTCs, correlated with distant metastases and poorer outcome of patients with MBC. This study fosters our understanding of EMT in metastasis and underpins heterogeneous EMT phenotypes as important parameters for tumor prognosis and treatment. We further suggest that EpCAM-dependent CTC isolation systems will underestimate CTC numbers but will quantify clinically relevant metastatic cells.
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Affiliation(s)
- Xiao Liu
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital, Ludwig-Maximilians University of Munich, Marchioninistr. 15, 81377 Munich, Germany
| | - Junjian Li
- Department of Oncology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
| | - Bruno Loureiro Cadilha
- Center of Integrated Protein Science Munich and Division of Clinical Pharmacology, Department of Medicine IV, Klinikum der Ludwig-Maximilians-Universität München, Member of the German Center for Lung Research, Lindwurmstrasse 2a, 80337 Munich, Germany
| | - Anamarija Markota
- Center of Integrated Protein Science Munich and Division of Clinical Pharmacology, Department of Medicine IV, Klinikum der Ludwig-Maximilians-Universität München, Member of the German Center for Lung Research, Lindwurmstrasse 2a, 80337 Munich, Germany
| | - Cornelia Voigt
- Center of Integrated Protein Science Munich and Division of Clinical Pharmacology, Department of Medicine IV, Klinikum der Ludwig-Maximilians-Universität München, Member of the German Center for Lung Research, Lindwurmstrasse 2a, 80337 Munich, Germany
| | - Zhe Huang
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital, Ludwig-Maximilians University of Munich, Marchioninistr. 15, 81377 Munich, Germany
| | | | | | - Juncheng Dai
- Department of Epidemiology and Biostatistics, School of Public Health, Nanjing Medical University, Nanjing 211166, China
| | - Gisela Kranz
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital, Ludwig-Maximilians University of Munich, Marchioninistr. 15, 81377 Munich, Germany
| | - Anna Krandick
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital, Ludwig-Maximilians University of Munich, Marchioninistr. 15, 81377 Munich, Germany
| | - Darko Libl
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital, Ludwig-Maximilians University of Munich, Marchioninistr. 15, 81377 Munich, Germany
| | - Horst Zitzelsberger
- Clinical Cooperation Group Personalized Radiotherapy of Head and Neck Tumors, Helmholtz Zentrum München, Neuherberg, Germany
- Research Unit Radiation Cytogenetics, Helmholtz Zentrum München, Neuherberg, Germany
- Department of Radiation Oncology, University Hospital, LMU Munich, Munich, Germany
| | - Isabella Zagorski
- Research Unit Radiation Cytogenetics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Herbert Braselmann
- Research Unit Radiation Cytogenetics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Min Pan
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital, Ludwig-Maximilians University of Munich, Marchioninistr. 15, 81377 Munich, Germany
| | - Sibo Zhu
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai 200438, China
| | - Yuanchi Huang
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital, Ludwig-Maximilians University of Munich, Marchioninistr. 15, 81377 Munich, Germany
| | - Sebastian Niedermeyer
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital, Ludwig-Maximilians University of Munich, Marchioninistr. 15, 81377 Munich, Germany
| | - Christoph A. Reichel
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital, Ludwig-Maximilians University of Munich, Marchioninistr. 15, 81377 Munich, Germany
| | - Bernd Uhl
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital, Ludwig-Maximilians University of Munich, Marchioninistr. 15, 81377 Munich, Germany
| | - Daria Briukhovetska
- Center of Integrated Protein Science Munich and Division of Clinical Pharmacology, Department of Medicine IV, Klinikum der Ludwig-Maximilians-Universität München, Member of the German Center for Lung Research, Lindwurmstrasse 2a, 80337 Munich, Germany
| | - Javier Suárez
- Center of Integrated Protein Science Munich and Division of Clinical Pharmacology, Department of Medicine IV, Klinikum der Ludwig-Maximilians-Universität München, Member of the German Center for Lung Research, Lindwurmstrasse 2a, 80337 Munich, Germany
| | - Sebastian Kobold
- Center of Integrated Protein Science Munich and Division of Clinical Pharmacology, Department of Medicine IV, Klinikum der Ludwig-Maximilians-Universität München, Member of the German Center for Lung Research, Lindwurmstrasse 2a, 80337 Munich, Germany
| | - Olivier Gires
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital, Ludwig-Maximilians University of Munich, Marchioninistr. 15, 81377 Munich, Germany
- Clinical Cooperation Group Personalized Radiotherapy of Head and Neck Tumors, Helmholtz Zentrum München, Neuherberg, Germany
- Corresponding author. (O.G.); (H.W.)
| | - Hongxia Wang
- Department of Oncology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
- Corresponding author. (O.G.); (H.W.)
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Abstract
Metastasis is the main cause of high pancreatic cancer (PaCa) mortality and trials dampening PaCa mortality rates are not satisfying. Tumor progression is driven by the crosstalk between tumor cells, predominantly cancer-initiating cells (CIC), and surrounding cells and tissues as well as distant organs, where tumor-derived extracellular vesicles (TEX) are of major importance. A strong stroma reaction, recruitment of immunosuppressive leukocytes, perineural invasion, and early spread toward the peritoneal cavity, liver, and lung are shared with several epithelial cell-derived cancer, but are most prominent in PaCa. Here, we report on the state of knowledge on the PaCIC markers Tspan8, alpha6beta4, CD44v6, CXCR4, LRP5/6, LRG5, claudin7, EpCAM, and CD133, which all, but at different steps, are engaged in the metastatic cascade, frequently via PaCIC-TEX. This includes the contribution of PaCIC markers to TEX biogenesis, targeting, and uptake. We then discuss PaCa-selective features, where feedback loops between stromal elements and tumor cells, including distorted transcription, signal transduction, and metabolic shifts, establish vicious circles. For the latter particularly pancreatic stellate cells (PSC) are responsible, furnishing PaCa to cope with poor angiogenesis-promoted hypoxia by metabolic shifts and direct nutrient transfer via vesicles. Furthermore, nerves including Schwann cells deliver a large range of tumor cell attracting factors and Schwann cells additionally support PaCa cell survival by signaling receptor binding. PSC, tumor-associated macrophages, and components of the dysplastic stroma contribute to perineural invasion with signaling pathway activation including the cholinergic system. Last, PaCa aggressiveness is strongly assisted by the immune system. Although rich in immune cells, only immunosuppressive cells and factors are recovered in proximity to tumor cells and hamper effector immune cells entering the tumor stroma. Besides a paucity of immunostimulatory factors and receptors, immunosuppressive cytokines, myeloid-derived suppressor cells, regulatory T-cells, and M2 macrophages as well as PSC actively inhibit effector cell activation. This accounts for NK cells of the non-adaptive and cytotoxic T-cells of the adaptive immune system. We anticipate further deciphering the molecular background of these recently unraveled intermingled phenomena may turn most lethal PaCa into a curatively treatable disease.
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Affiliation(s)
- Wei Mu
- School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- *Correspondence: Wei Mu
| | - Zhe Wang
- Department of Oncology, The First Affiliated Hospital of Guangdong, Pharmaceutical University, Guangzhou, China
| | - Margot Zöller
- Department of Oncology, The First Affiliated Hospital of Guangdong, Pharmaceutical University, Guangzhou, China
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Huang Y, Chanou A, Kranz G, Pan M, Kohlbauer V, Ettinger A, Gires O. Membrane-associated epithelial cell adhesion molecule is slowly cleaved by γ-secretase prior to efficient proteasomal degradation of its intracellular domain. J Biol Chem 2018; 294:3051-3064. [PMID: 30598504 DOI: 10.1074/jbc.ra118.005874] [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] [Received: 09/14/2018] [Revised: 12/20/2018] [Indexed: 12/27/2022] Open
Abstract
Regulated intramembrane proteolysis (RIP) is a key mechanism for activating transmembrane proteins such as epithelial cell adhesion molecule (EpCAM) for cellular signaling and degradation. EpCAM is highly expressed in carcinomas and progenitor and embryonic stem cells and is involved in the regulation of cell adhesion, proliferation, and differentiation. Strictly sequential cleavage of EpCAM through RIP involves initial shedding of the extracellular domain by α-secretase (ADAM) and β-secretase (BACE) sheddases, generating a membrane-tethered C-terminal fragment EpCTF. Subsequently, the rate-limiting γ-secretase complex catalyzes intramembrane cleavage of EpCTF, generating an extracellular EpCAM-Aβ-like fragment and an intracellular EpICD fragment involved in nuclear signaling. Here, we have combined biochemical approaches with live-cell imaging of fluorescent protein tags to investigate the kinetics of γ-secretase-mediated intramembrane cleavage of EpCTF. We demonstrate that γ-secretase-mediated proteolysis of exogenously and endogenously expressed EpCTF is a slow process with a 50% protein turnover in cells ranging from 45 min to 5.5 h. The slow cleavage was dictated by γ-secretase activity and not by EpCTF species, as indicated by cross-species swapping experiments. Furthermore, both human and murine EpICDs generated from EpCTF by γ-secretase were degraded efficiently (94-99%) by the proteasome. Hence, proteolytic cleavage of EpCTF is a comparably slow process, and EpICD generation does not appear to be suited for rapidly transducing extracellular cues into nuclear signaling, but appears to provide steady signals that can be further controlled through efficient proteasomal degradation. Our approach provides an unbiased bioassay to investigate proteolytic processing of EpCTF in single living cells.
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Affiliation(s)
- Yuanchi Huang
- From the Department of Otorhinolaryngology, Head and Neck Surgery, Grosshadern Medical Center, Ludwig-Maximilians-University, Munich, Marchioninistrasse 15, 81377 Munich, Germany, .,the Department of Spinal Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an 710054, China
| | - Anna Chanou
- From the Department of Otorhinolaryngology, Head and Neck Surgery, Grosshadern Medical Center, Ludwig-Maximilians-University, Munich, Marchioninistrasse 15, 81377 Munich, Germany
| | - Gisela Kranz
- From the Department of Otorhinolaryngology, Head and Neck Surgery, Grosshadern Medical Center, Ludwig-Maximilians-University, Munich, Marchioninistrasse 15, 81377 Munich, Germany
| | - Min Pan
- From the Department of Otorhinolaryngology, Head and Neck Surgery, Grosshadern Medical Center, Ludwig-Maximilians-University, Munich, Marchioninistrasse 15, 81377 Munich, Germany
| | - Vera Kohlbauer
- From the Department of Otorhinolaryngology, Head and Neck Surgery, Grosshadern Medical Center, Ludwig-Maximilians-University, Munich, Marchioninistrasse 15, 81377 Munich, Germany
| | - Andreas Ettinger
- the Institute of Epigenetics and Stem Cells, Marchioninistrasse 25, 81377 München, Germany, and
| | - Olivier Gires
- From the Department of Otorhinolaryngology, Head and Neck Surgery, Grosshadern Medical Center, Ludwig-Maximilians-University, Munich, Marchioninistrasse 15, 81377 Munich, Germany, .,the Clinical Cooperation Group Personalized Radiotherapy of Head and Neck Tumors, Helmholtz Zentrum München, 85764 Neuherberg, Germany
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Davidson B. Circulating tumor cells and cell-free nucleic acids in patients with gynecological malignancies. Virchows Arch 2018; 473:395-403. [PMID: 30145616 DOI: 10.1007/s00428-018-2447-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2018] [Revised: 08/10/2018] [Accepted: 08/20/2018] [Indexed: 12/14/2022]
Abstract
The ability to detect cancer cells in the blood or in the bone marrow offers invaluable information which potentially impacts early diagnosis, monitoring of treatment, and prognosis. Accessing blood or other body fluids has the additional advantage of being less invasive than biopsy. Consequently, considerable effort has been invested in the last 20 years in optimizing assays which may identify malignant cells at these anatomic sites. Detection of nucleic acids has been applied as alternative approach in this context, first targeting single cancer-associated genes using PCR-based technology, and recently using assays which identify different DNA classes, as well as microRNAs and exosomes. The present review focuses on studies which applied these assays to the detection of cells or cellular components originating from gynecological cancers.
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Abstract
Conventional circulating tumor cell (CTC) detection technologies are restricted to large tumor cells (> white blood cells (WBCs)), or those unique carcinoma cells with double positive expression of surface epithelial cell adhesion molecule (EpCAM) for isolation, and intracellular structural protein cytokeratins (CKs) for identification. With respect to detecting the full spectrum of highly heterogeneous circulating rare cells (CRCs), including CTCs and circulating endothelial cells (CECs), it is imperative to develop a strategy systematically coordinating all tri-elements of nucleic acids, biomarker proteins, and cellular morphology, to effectively enrich and comprehensively identify CRCs. Accordingly, a novel strategy integrating subtraction enrichment and immunostaining-fluorescence in situ hybridization (SE-iFISH), independent of cell size variation and free of hypotonic damage as well as anti-EpCAM perturbing, has been demonstrated to enable in situ phenotyping multi-protein expression, karyotyping chromosome aneuploidy, and detecting cytogenetic rearrangements of the ALK gene in non-hematologic CRCs. Symbolic non-synonymous single nucleotide variants (SNVs) of both the TP53 gene (P33R) in each single aneuploid CTCs, and the cyclin-dependent kinase inhibitor 2A (CDKN2A) tumor suppressor gene in each examined aneuploid CECs, were identified for the first time across patients with diverse carcinomas. Comprehensive co-detecting observable aneuploid CTCs and CECs by SE-iFISH, along with applicable genomic and/or proteomic single cell molecular profiling, are anticipated to facilitate elucidating how those disparate categories of aneuploid CTCs and CECs cross-talk and functionally interplay with tumor angiogenesis, therapeutic drug resistance, tumor progression, and cancer metastasis.
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Abstract
Single-cell analysis has become an established method to study cell heterogeneity and for rare cell characterization. Despite the high cost and technical constraints, applications are increasing every year in all fields of biology. Following the trend, there is a tremendous development of tools for single-cell analysis, especially in the RNA sequencing field. Every improvement increases sensitivity and throughput. Collecting a large amount of data also stimulates the development of new approaches for bioinformatic analysis and interpretation. However, the essential requirement for any analysis is the collection of single cells of high quality. The single-cell isolation must be fast, effective, and gentle to maintain the native expression profiles. Classical methods for single-cell isolation are micromanipulation, microdissection, and fluorescence-activated cell sorting (FACS). In the last decade several new and highly efficient approaches have been developed, which not just supplement but may fully replace the traditional ones. These new techniques are based on microfluidic chips, droplets, micro-well plates, and automatic collection of cells using capillaries, magnets, an electric field, or a punching probe. In this review we summarize the current methods and developments in this field. We discuss the advantages of the different commercially available platforms and their applicability, and also provide remarks on future developments.
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Luo YT, Cheng J, Feng X, He SJ, Wang YW, Huang Q. The viable circulating tumor cells with cancer stem cells feature, where is the way out? J Exp Clin Cancer Res 2018; 37:38. [PMID: 29482576 PMCID: PMC5828305 DOI: 10.1186/s13046-018-0685-7] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Accepted: 01/19/2018] [Indexed: 02/07/2023] Open
Abstract
With cancer stem cells (CSCs) became the research hotspot, emerging studies attempt to reveal the functions of these special subsets in tumorigenesis. Although various approaches have been used in CSCs researches, only a few could really reflect or simulate the microenvironment in vivo. At present, CSCs theories are still difficult to apply for clinical remedy because CSCs subpopulations are always hard to identify and trace. Thus an ideal approach for clinicians and researchers is urgently needed. Circulating tumor cells (CTCs), as the method of noninvasive-liquid biopsy, could be detected in the peripheral blood (PB) from many tumors and even could be treated as procurators for CSCs deeper researches from patient-derived sample. However, CTCs, as a diagnostic marker, also raise much controversy over theirs clinical value. Mechanisms causing CTCs to shed from the tumor have not been fully characterized, thus it is unclear whether CTCs represent the entire makeup of cancer cells in the tumor or only a subset. The heterogeneity of CTCs also caused different clinical outcomes. To overcome these unsolved problems, recently, CTC researches are not just depend on enumerations, whereas those CTC subsets that could expand in vitro may play a pivotal role in the metastatic cascade. Here, we retrospect the CTC developmental history and discourse upon the enrichment of viable CTCs in functional assays, probe the further avenue at the crossroad.
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Affiliation(s)
- Y T Luo
- Molecular Diagnostic Laboratory of Cancer Center, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 201620, China
| | - J Cheng
- Molecular Diagnostic Laboratory of Cancer Center, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 201620, China
| | - X Feng
- Molecular Diagnostic Laboratory of Cancer Center, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 201620, China
| | - S J He
- Molecular Diagnostic Laboratory of Cancer Center, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 201620, China
| | - Y W Wang
- Molecular Diagnostic Laboratory of Cancer Center, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 201620, China
| | - Q Huang
- Molecular Diagnostic Laboratory of Cancer Center, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 201620, China.
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Abstract
Endocrine tumors have the peculiarity to become clinically evident not only due to symptoms related to space occupation by the growing lesion, similarly to most other tumors, but also, and most often, because of their specific hormonal secretion, which significantly contributes to their pathological burden. Malignant endocrine tumors, in addition, have the ability to produce distant metastases. Here, we critically review the current knowledge about mechanisms and biomarkers characterizing the metastatic process in adrenocortical carcinoma (ACC), a rare endocrine malignancy with a high risk of relapse and metastatization even when the primary tumor is diagnosed and surgically removed at an early stage. We highlight perspectives of future research in the domain and possible new therapeutic avenues based on targeting factors having an important role in the metastatic process of ACC.
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Affiliation(s)
- Enzo Lalli
- Université Côte d'AzurValbonne, France
- CNRS UMR7275Valbonne, France
- NEOGENEX CNRS International Associated LaboratoryValbonne, France
- Institut de Pharmacologie Moléculaire et CellulaireValbonne, France
| | - Michaela Luconi
- Department of Experimental and Clinical Biomedical Sciences 'Mario Serio'University of Florence, Florence, Italy
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Huang Q, Wang Y, Chen X, Wang Y, Li Z, Du S, Wang L, Chen S. Nanotechnology-Based Strategies for Early Cancer Diagnosis Using Circulating Tumor Cells as a Liquid Biopsy. Nanotheranostics 2018; 2:21-41. [PMID: 29291161 PMCID: PMC5743836 DOI: 10.7150/ntno.22091] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Accepted: 10/10/2017] [Indexed: 12/11/2022] Open
Abstract
Circulating tumor cells (CTCs) are cancer cells that shed from a primary tumor and circulate in the bloodstream. As a form of “tumor liquid biopsy”, CTCs provide important information for the mechanistic investigation of cancer metastasis and the measurement of tumor genotype evolution during treatment and disease progression. However, the extremely low abundance of CTCs in the peripheral blood and the heterogeneity of CTCs make their isolation and characterization major technological challenges. Recently, nanotechnologies have been developed for sensitive CTC detection; such technologies will enable better cell and molecular characterization and open up a wide range of clinical applications, including early disease detection and evaluation of treatment response and disease progression. In this review, we summarize the nanotechnology-based strategies for CTC isolation, including representative nanomaterials (such as magnetic nanoparticles, gold nanoparticles, silicon nanopillars, nanowires, nanopillars, carbon nanotubes, dendrimers, quantum dots, and graphene oxide) and microfluidic chip technologies that incorporate nanoroughened surfaces and discuss their key challenges and perspectives in CTC downstream analyses, such as protein expression and genetic mutations that may reflect tumor aggressiveness and patient outcome.
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Affiliation(s)
- Qinqin Huang
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery of Ministry of Education, School of Pharmaceutical Sciences, and Brain Center, Zhongnan Hospital, and Medical Research Institute, Wuhan University, Wuhan 430072, China
| | - Yin Wang
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery of Ministry of Education, School of Pharmaceutical Sciences, and Brain Center, Zhongnan Hospital, and Medical Research Institute, Wuhan University, Wuhan 430072, China
| | - Xingxiang Chen
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery of Ministry of Education, School of Pharmaceutical Sciences, and Brain Center, Zhongnan Hospital, and Medical Research Institute, Wuhan University, Wuhan 430072, China
| | - Yimeng Wang
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery of Ministry of Education, School of Pharmaceutical Sciences, and Brain Center, Zhongnan Hospital, and Medical Research Institute, Wuhan University, Wuhan 430072, China
| | - Zhiqiang Li
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery of Ministry of Education, School of Pharmaceutical Sciences, and Brain Center, Zhongnan Hospital, and Medical Research Institute, Wuhan University, Wuhan 430072, China
| | - Shiming Du
- Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei, 442000, China
| | - Lianrong Wang
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery of Ministry of Education, School of Pharmaceutical Sciences, and Brain Center, Zhongnan Hospital, and Medical Research Institute, Wuhan University, Wuhan 430072, China
| | - Shi Chen
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery of Ministry of Education, School of Pharmaceutical Sciences, and Brain Center, Zhongnan Hospital, and Medical Research Institute, Wuhan University, Wuhan 430072, China
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Wang L, Li Y, Xu J, Zhang A, Wang X, Tang R, Zhang X, Yin H, Liu M, Wang DD, Lin PP, Shen L, Dong J. Quantified postsurgical small cell size CTCs and EpCAM + circulating tumor stem cells with cytogenetic abnormalities in hepatocellular carcinoma patients determine cancer relapse. Cancer Lett 2017; 412:99-107. [PMID: 29031565 DOI: 10.1016/j.canlet.2017.10.004] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2017] [Revised: 10/02/2017] [Accepted: 10/06/2017] [Indexed: 12/12/2022]
Abstract
Detection of hepatocellular carcinoma circulating tumor cells performed with conventional strategies, is significantly limited due to inherently heterogeneous and dynamic expression of EpCAM, as well as degradation of cytokeratins during epithelial-to-mesenchymal transition, which inevitably lead to non-negligible false negative detection of such "uncapturable and invisible" CTCs. A novel SE-iFISH strategy, improved for detection of HCC CTCs in this study, was applied to comprehensively detect, in situ phenotypically and karyotypically characterize hepatocellular and cholangiocarcinoma CTCs (CD45-/CD31-) in patients subjected to surgical resection. Clinical significance of diverse subtypes of CTC was systematically investigated. Existence of small cell size CTCs (≤5 μm of WBCs) with cytogenetic abnormality of aneuploid chromosome 8, which constituted majority of the detected CTCs in HCC patients, was demonstrated for the first time. The stemness marker EpCAM+ aneuploid circulating tumor stem cells (CTSCs), and EpCAM- small CTCs with trisomy 8, promote tumor growth. Postsurgical quantity of small triploid CTCs (≥5 cells/6 ml blood), multiploid (≥pentasomy 8) CTSCs or CTM (either one ≥ 1) significantly correlated to HCC patients' poor prognosis, indicating that detection of those specific subtypes of CTCs and CTSCs in post-operative patients help predict neoplasm recurrence.
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Affiliation(s)
- Liang Wang
- Department of Hepatobiliary and Pancreas Surgery, Beijing Tsinghua Changgung Hospital (BTCH), School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Yilin Li
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Gastrointestinal Oncology, Peking University Cancer Hospital & Institute, Beijing, China
| | - Jing Xu
- Department of Hepatobiliary and Pancreas Surgery, Beijing Tsinghua Changgung Hospital (BTCH), School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Aiqun Zhang
- Center for Hepatobiliary Diseases, PLA General Hospital, Beijing, China
| | - Xuedong Wang
- Department of Hepatobiliary and Pancreas Surgery, Beijing Tsinghua Changgung Hospital (BTCH), School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Rui Tang
- Department of Hepatobiliary and Pancreas Surgery, Beijing Tsinghua Changgung Hospital (BTCH), School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Xinjing Zhang
- Department of Hepatobiliary and Pancreas Surgery, Beijing Tsinghua Changgung Hospital (BTCH), School of Clinical Medicine, Tsinghua University, Beijing, China
| | - Hongfang Yin
- Department of Pathology, Beijing Tsinghua Changgung Hospital (BTCH), Beijing, China
| | - Manting Liu
- Department of Hepatobiliary and Pancreas Surgery, Beijing Tsinghua Changgung Hospital (BTCH), School of Clinical Medicine, Tsinghua University, Beijing, China
| | | | | | - Lin Shen
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Gastrointestinal Oncology, Peking University Cancer Hospital & Institute, Beijing, China.
| | - Jiahong Dong
- Department of Hepatobiliary and Pancreas Surgery, Beijing Tsinghua Changgung Hospital (BTCH), School of Clinical Medicine, Tsinghua University, Beijing, China.
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Lin PP, Gires O, Wang DD, Li L, Wang H. Comprehensive in situ co-detection of aneuploid circulating endothelial and tumor cells. Sci Rep 2017; 7:9789. [PMID: 28852197 DOI: 10.1038/s41598-017-10763-7] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2017] [Accepted: 08/14/2017] [Indexed: 01/26/2023] Open
Abstract
Conventional circulating tumor cell (CTC) detection strategies rely on cell surface marker EpCAM and intracellular cytokeratins (CKs) for isolation and identification, respectively. Application of such methods is considerably limited by inherent heterogeneous and dynamic expression or absence of EpCAM and/or CKs in CTCs. Here, we report a novel strategy, integrating antigen-independent subtraction enrichment and immunostaining-FISH (SE-iFISH), to detect a variety of aneuploid circulating rare cells (CRCs), including CTCs and circulating tumor endothelial cells (CECs). Enriched CRCs, maintained at high viability and suitable for primary tumor cell culture, are comprehensively characterized by in situ co-examination of chromosome aneuploidy by FISH and immunostaining of multiple biomarkers displayed in diverse fluorescence channels. We described and quantified for the first time the existence of individual aneuploid CD31+ CECs and co-existence of "fusion clusters" of endothelial-epithelial aneuploid tumor cells among enriched non-hematopoietic CRCs. Hence, SE-iFISH is feasible for efficient co-detection and in situ phenotypic and karyotypic characterization as well as quantification of various CRCs, allowing for their classification into diverse subtypes upon biomarker expression and chromosome ploidy. Enhanced SE-iFISH technology, assisted by the Metafer-iFISH automated CRC imaging system, provides a platform for the analysis of potential contributions of each subtype of CRCs to distinct clinical outcome.
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49
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Kast RE, Skuli N, Karpel-Massler G, Frosina G, Ryken T, Halatsch ME. Blocking epithelial-to-mesenchymal transition in glioblastoma with a sextet of repurposed drugs: the EIS regimen. Oncotarget 2017; 8:60727-60749. [PMID: 28977822 PMCID: PMC5617382 DOI: 10.18632/oncotarget.18337] [Citation(s) in RCA: 23] [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] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2017] [Accepted: 05/12/2017] [Indexed: 12/11/2022] Open
Abstract
This paper outlines a treatment protocol to run alongside of standard current treatment of glioblastoma- resection, temozolomide and radiation. The epithelial to mesenchymal transition (EMT) inhibiting sextet, EIS Regimen, uses the ancillary attributes of six older medicines to impede EMT during glioblastoma. EMT is an actively motile, therapy-resisting, low proliferation, transient state that is an integral feature of cancers’ lethality generally and of glioblastoma specifically. It is believed to be during the EMT state that glioblastoma’s centrifugal migration occurs. EMT is also a feature of untreated glioblastoma but is enhanced by chemotherapy, by radiation and by surgical trauma. EIS Regimen uses the antifungal drug itraconazole to block Hedgehog signaling, the antidiabetes drug metformin to block AMP kinase (AMPK), the analgesic drug naproxen to block Rac1, the anti-fibrosis drug pirfenidone to block transforming growth factor-beta (TGF-beta), the psychiatric drug quetiapine to block receptor activator NFkB ligand (RANKL) and the antibiotic rifampin to block Wnt- all by their previously established ancillary attributes. All these systems have been identified as triggers of EMT and worthy targets to inhibit. The EIS Regimen drugs have a good safety profile when used individually. They are not expected to have any new side effects when combined. Further studies of the EIS Regimen are needed.
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Affiliation(s)
| | - Nicolas Skuli
- INSERM, Centre de Recherches en Cancérologie de Toulouse, CRCT, Inserm/Université Toulouse III, Paul Sabatier, Hubert Curien, Toulouse, France
| | - Georg Karpel-Massler
- Department of Neurosurgery, Ulm University Hospital, Albert-Einstein-Allee, Ulm, Germany
| | - Guido Frosina
- Mutagenesis & Cancer Prevention Unit, IRCCS Azienda Ospedaliera Universitaria San Martino, IST Istituto Nazionale per la Ricerca sul Cancro, Largo Rosanna Benzi, Genoa, Italy
| | - Timothy Ryken
- Department of Neurosurgery, University of Kansas, Lawrence, KS, USA
| | - Marc-Eric Halatsch
- Department of Neurosurgery, Ulm University Hospital, Albert-Einstein-Allee, Ulm, Germany
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50
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Francart ME, Lambert J, Vanwynsberghe AM, Thompson EW, Bourcy M, Polette M, Gilles C. Epithelial-mesenchymal plasticity and circulating tumor cells: Travel companions to metastases. Dev Dyn 2017; 247:432-450. [PMID: 28407379 DOI: 10.1002/dvdy.24506] [Citation(s) in RCA: 80] [Impact Index Per Article: 11.4] [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: 02/01/2017] [Revised: 03/29/2017] [Accepted: 03/29/2017] [Indexed: 12/11/2022] Open
Abstract
Epithelial-mesenchymal transitions (EMTs) associated with metastatic progression may contribute to the generation of hybrid phenotypes capable of plasticity. This cellular plasticity would provide tumor cells with an increased potential to adapt to the different microenvironments encountered during metastatic spread. Understanding how EMT may functionally equip circulating tumor cells (CTCs) with an enhanced competence to survive in the bloodstream and niche in the colonized organs has thus become a major cancer research axis. We summarize here clinical data with CTC endpoints involving EMT. We then review the work functionally linking EMT programs to CTC biology and deciphering molecular EMT-driven mechanisms supporting their metastatic competence. Developmental Dynamics 247:432-450, 2018. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- Marie-Emilie Francart
- GIGA-Cancer, Laboratory of Tumor and Development Biology, University of Liège, Liège, Belgium
| | - Justine Lambert
- GIGA-Cancer, Laboratory of Tumor and Development Biology, University of Liège, Liège, Belgium
| | - Aline M Vanwynsberghe
- GIGA-Cancer, Laboratory of Tumor and Development Biology, University of Liège, Liège, Belgium
| | - Erik W Thompson
- Institute of Health and Biomedical Innovation and School of Biomedical Sciences, Queensland University of Technology, and Translational Research Institute Brisbane, and University of Melbourne Department of Surgery, St Vincent's Hospital, Melbourne, Australia
| | - Morgane Bourcy
- GIGA-Cancer, Laboratory of Tumor and Development Biology, University of Liège, Liège, Belgium
| | - Myriam Polette
- Inserm UMR-S 903, University of Reims Champagne-Ardenne, Biopathology Laboratory, CHU of Reims, Reims, France
| | - Christine Gilles
- GIGA-Cancer, Laboratory of Tumor and Development Biology, University of Liège, Liège, Belgium
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