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Gronewold M, Grote I, Bartels S, Christgen H, Kandt LD, Brito MJ, Cserni G, Daemmrich ME, Fogt F, Helmke BM, ter Hoeve N, Lang‐Schwarz C, Vieth M, Wellmann A, Kuehnle E, Kulik U, Riedel G, Reineke‐Plaass T, Lehmann U, Koorman T, Derksen PWB, Kreipe H, Christgen M. Microenvironment-induced restoration of cohesive growth associated with focal activation of P-cadherin expression in lobular breast carcinoma metastatic to the colon. J Pathol Clin Res 2024; 10:e12361. [PMID: 38618992 PMCID: PMC10796744 DOI: 10.1002/2056-4538.12361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 11/30/2023] [Accepted: 12/21/2023] [Indexed: 04/16/2024]
Abstract
Invasive lobular carcinoma (ILC) is a special breast cancer type characterized by noncohesive growth and E-cadherin loss. Focal activation of P-cadherin expression in tumor cells that are deficient for E-cadherin occurs in a subset of ILCs. Switching from an E-cadherin deficient to P-cadherin proficient status (EPS) partially restores cell-cell adhesion leading to the formation of cohesive tubular elements. It is unknown what conditions control EPS. Here, we report on EPS in ILC metastases in the large bowel. We reviewed endoscopic colon biopsies and colectomy specimens from a 52-year-old female (index patient) and of 18 additional patients (reference series) diagnosed with metastatic ILC in the colon. EPS was assessed by immunohistochemistry for E-cadherin and P-cadherin. CDH1/E-cadherin mutations were determined by next-generation sequencing. The index patient's colectomy showed transmural metastatic ILC harboring a CDH1/E-cadherin p.Q610* mutation. ILC cells displayed different growth patterns in different anatomic layers of the colon wall. In the tunica muscularis propria and the tela submucosa, ILC cells featured noncohesive growth and were E-cadherin-negative and P-cadherin-negative. However, ILC cells invading the mucosa formed cohesive tubular elements in the intercryptal stroma of the lamina propria mucosae. Inter-cryptal ILC cells switched to a P-cadherin-positive phenotype in this microenvironmental niche. In the reference series, colon mucosa infiltration was evident in 13 of 18 patients, one of which showed intercryptal EPS and conversion to cohesive growth as described in the index patient. The large bowel is a common metastatic site in ILC. In endoscopic colon biopsies, the typical noncohesive growth of ILC may be concealed by microenvironment-induced EPS and conversion to cohesive growth.
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Affiliation(s)
- Malte Gronewold
- Institute of PathologyHannover Medical SchoolHannoverGermany
| | - Isabel Grote
- Institute of PathologyHannover Medical SchoolHannoverGermany
| | - Stephan Bartels
- Institute of PathologyHannover Medical SchoolHannoverGermany
| | | | - Leonie D Kandt
- Institute of PathologyHannover Medical SchoolHannoverGermany
| | | | - Gàbor Cserni
- Department of PathologyUniversity of SzegedSzegedHungary
| | | | - Franz Fogt
- Pennsylvania Hospital – Penn Pathology and Laboratory MedicinePhiladelphiaPAUSA
| | | | - Natalie ter Hoeve
- Department of PathologyUniversity Medical Center UtrechtUtrechtThe Netherlands
| | | | - Michael Vieth
- Klinikum Bayreuth – Institut für PathologieBayreuthGermany
| | | | - Elna Kuehnle
- Clinic for Obstetrics and Gynecology the NeonatologyHannover Medical SchoolHannoverGermany
| | - Ulf Kulik
- Department of General, Visceral, and Transplant SurgeryHannover Medical SchoolHannoverGermany
| | - Gesa Riedel
- Department of Immunology and RheumatologyHannover Medical SchoolHannoverGermany
| | | | - Ulrich Lehmann
- Institute of PathologyHannover Medical SchoolHannoverGermany
| | - Thijs Koorman
- Department of PathologyUniversity Medical Center UtrechtUtrechtThe Netherlands
| | - Patrick WB Derksen
- Department of PathologyUniversity Medical Center UtrechtUtrechtThe Netherlands
| | - Hans Kreipe
- Institute of PathologyHannover Medical SchoolHannoverGermany
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Randolph ME, Afifi M, Gorthi A, Weil R, Wilky BA, Weinreb J, Ciero P, Hoeve NT, van Diest PJ, Raman V, Bishop AJ, Loeb DM. RNA helicase DDX3 regulates RAD51 localization and DNA damage repair in Ewing sarcoma. iScience 2024; 27:108925. [PMID: 38323009 PMCID: PMC10844834 DOI: 10.1016/j.isci.2024.108925] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 12/09/2023] [Accepted: 01/12/2024] [Indexed: 02/08/2024] Open
Abstract
We previously demonstrated that RNA helicase DDX3X (DDX3) can be a therapeutic target in Ewing sarcoma (EWS), but its role in EWS biology remains unclear. The present work demonstrates that DDX3 plays a unique role in DNA damage repair (DDR). We show that DDX3 interacts with several proteins involved in homologous recombination, including RAD51, RECQL1, RPA32, and XRCC2. In particular, DDX3 colocalizes with RAD51 and RNA:DNA hybrid structures in the cytoplasm of EWS cells. Inhibition of DDX3 RNA helicase activity increases cytoplasmic RNA:DNA hybrids, sequestering RAD51 in the cytoplasm, which impairs nuclear translocation of RAD51 to sites of double-stranded DNA breaks, thus increasing sensitivity of EWS to radiation treatment, both in vitro and in vivo. This discovery lays the foundation for exploring new therapeutic approaches directed at manipulating DDR protein localization in solid tumors.
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Affiliation(s)
- Matthew E. Randolph
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY, USA
- Department of Pediatrics, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Marwa Afifi
- Laboratory of Cancer Biology and Genetics, Center for Cancer Research, National Cancer Institute, Bethesda, MD, USA
| | - Aparna Gorthi
- Greehey Children’s Cancer Research Institute and Department of Cell Systems & Anatomy, UT Health San Antonio, San Antonio, TX, USA
| | - Rachel Weil
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Breelyn A. Wilky
- Department of Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, Baltimore, MD, USA
| | - Joshua Weinreb
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Paul Ciero
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY, USA
- Department of Pediatrics, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Natalie ter Hoeve
- Department of Pathology, University Medical Centre Utrecht, Utrecht, the Netherlands
| | - Paul J. van Diest
- Department of Pathology, University Medical Centre Utrecht, Utrecht, the Netherlands
| | - Venu Raman
- Department of Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, Baltimore, MD, USA
- Department of Radiology, Johns Hopkins University, Baltimore, MD, USA
- Department of Pharmacology, Johns Hopkins University, Baltimore, MD, USA
| | - Alexander J.R. Bishop
- Greehey Children’s Cancer Research Institute and Department of Cell Systems & Anatomy, UT Health San Antonio, San Antonio, TX, USA
| | - David M. Loeb
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY, USA
- Department of Pediatrics, Albert Einstein College of Medicine, Bronx, NY, USA
- Department of Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, Baltimore, MD, USA
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Randolph ME, Afifi M, Gorthi A, Weil R, Wilky BA, Weinreb J, Ciero P, ter Hoeve N, van Diest PJ, Raman V, Bishop AJR, Loeb DM. RNA Helicase DDX3 Regulates RAD51 Localization and DNA Damage Repair in Ewing Sarcoma. bioRxiv 2023:2023.06.10.544474. [PMID: 37333164 PMCID: PMC10274875 DOI: 10.1101/2023.06.10.544474] [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] [Subscribe] [Scholar Register] [Indexed: 06/20/2023]
Abstract
We previously demonstrated that RNA helicase DDX3X (DDX3) can be a therapeutic target in Ewing sarcoma (EWS), but its role in EWS biology remains unclear. The present work demonstrates that DDX3 plays a unique role in DNA damage repair (DDR). We show that DDX3 interacts with several proteins involved in homologous recombination, including RAD51, RECQL1, RPA32, and XRCC2. In particular, DDX3 colocalizes with RAD51 and RNA:DNA hybrid structures in the cytoplasm of EWS cells. Inhibition of DDX3 RNA helicase activity increases cytoplasmic RNA:DNA hybrids, sequestering RAD51 in the cytoplasm, which impairs nuclear translocation of RAD51 to sites of double-stranded DNA breaks thus increasing sensitivity of EWS to radiation treatment, both in vitro and in vivo. This discovery lays the foundation for exploring new therapeutic approaches directed at manipulating DDR protein localization in solid tumors.
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Affiliation(s)
- Matthew E. Randolph
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY
- Department of Pediatrics, Albert Einstein College of Medicine, Bronx, NY
| | - Marwa Afifi
- Laboratory of Cancer Biology and Genetics, Center for Cancer Research, National Cancer Institute, Bethesda, MD
| | - Aparna Gorthi
- Greehey Children’s Cancer Research Institute and Department of Cell Systems & Anatomy, UT Health San Antonio, San Antonio, TX
| | - Rachel Weil
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY
| | - Breelyn A. Wilky
- Department of Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, Baltimore, MD
| | - Joshua Weinreb
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY
| | - Paul Ciero
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY
- Department of Pediatrics, Albert Einstein College of Medicine, Bronx, NY
| | - Natalie ter Hoeve
- Department of Pathology, University Medical Centre Utrecht, The Netherlands
| | - Paul J. van Diest
- Department of Pathology, University Medical Centre Utrecht, The Netherlands
| | - Venu Raman
- Department of Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, Baltimore, MD
- Department of Radiology, Johns Hopkins University, Baltimore, MD
- Department of Pharmacology, Johns Hopkins University, Baltimore, MD
| | - Alexander J. R. Bishop
- Greehey Children’s Cancer Research Institute and Department of Cell Systems & Anatomy, UT Health San Antonio, San Antonio, TX
| | - David M. Loeb
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY
- Department of Pediatrics, Albert Einstein College of Medicine, Bronx, NY
- Department of Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, Baltimore, MD
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Sieuwerts AM, Schrijver WAME, Dalm SU, de Weerd V, Moelans CB, ter Hoeve N, van Diest PJ, Martens JWM, van Deurzen CHM. Progressive APOBEC3B mRNA expression in distant breast cancer metastases. PLoS One 2017; 12:e0171343. [PMID: 28141868 PMCID: PMC5283735 DOI: 10.1371/journal.pone.0171343] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2016] [Accepted: 01/19/2017] [Indexed: 02/07/2023] Open
Abstract
Background APOBEC3B was recently identified as a gain-of-function enzymatic source of mutagenesis, which may offer novel therapeutic options with molecules that specifically target this enzyme. In primary breast cancer, APOBEC3B mRNA is deregulated in a substantial proportion of cases and its expression is associated with poor prognosis. However, its expression in breast cancer metastases, which are the main causes of breast cancer-related death, remained to be elucidated. Patients and methods RNA was isolated from 55 primary breast cancers and paired metastases, including regional lymph node (N = 20) and distant metastases (N = 35). APOBEC3B mRNA levels were measured by RT-qPCR. Expression levels of the primary tumors and corresponding metastases were compared, including subgroup analysis by estrogen receptor (ER/ESR1) status. Results Overall, APOBEC3B mRNA levels of distant metastases were significantly higher as compared to the corresponding primary breast tumor (P = 0.0015), an effect that was not seen for loco-regional lymph node metastases (P = 0.23). Subgroup analysis by ER-status showed that increased APOBEC3B levels in distant metastases were restricted to metastases arising from ER-positive primary breast cancers (P = 0.002). However, regarding ER-negative primary tumors, only loco-regional lymph node metastases showed increased APOBEC3B expression when compared to the corresponding primary tumor (P = 0.028). Conclusion APOBEC3B mRNA levels are significantly higher in breast cancer metastases as compared to the corresponding ER-positive primary tumors. This suggests a potential role for APOBEC3B in luminal breast cancer progression, and consequently, a promising role for anti-APOBEC3B therapies in advanced stages of this frequent form of breast cancer.
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Affiliation(s)
- Anieta M. Sieuwerts
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus MC, Rotterdam, The Netherlands
- Cancer Genomics Center, Erasmus MC Cancer Institute, Erasmus MC, Rotterdam, The Netherlands
- * E-mail:
| | | | - Simone U. Dalm
- Department of Radiology and Nuclear Medicine, Erasmus MC, Rotterdam, The Netherlands
| | - Vanja de Weerd
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus MC, Rotterdam, The Netherlands
| | - Cathy B. Moelans
- Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Natalie ter Hoeve
- Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Paul J. van Diest
- Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - John W. M. Martens
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus MC, Rotterdam, The Netherlands
- Cancer Genomics Center, Erasmus MC Cancer Institute, Erasmus MC, Rotterdam, The Netherlands
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Hogenes MCH, van Dorp S, van Kuik J, Monteiro FRP, ter Hoeve N, van Dijk MR, Martens AC, de Weger RA. Histological assessment of the sclerotic graft-versus-host response in the humanized RAG2-/-γc-/- mouse model. Biol Blood Marrow Transplant 2012; 18:1023-35. [PMID: 22579931 DOI: 10.1016/j.bbmt.2012.05.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2011] [Accepted: 05/01/2012] [Indexed: 10/28/2022]
Abstract
Graft-versus-host disease (GVHD) remains a frequently occurring and difficult-to-treat complication in human allogeneic stem cell transplantation. Murine transplantation models are often used to study and understand the complex pathogenesis of GVHD and to explore new treatment strategies. Although GVHD kinetics may differ in murine and human models, adequate models are essential for identification of the crucial factors responsible for the major pathology in GVHD. We present a detailed description of the specific histological features of a graft-versus-host-induced fibrotic response in xenogeneic RAG2(-/-)γc(-/-) mice after total body irradiation and injection with human peripheral blood mononuclear cells. We describe the full morphological features of this reaction, including a detailed analysis of the specific tissue infiltration patterns of the human peripheral blood mononuclear cells. Our data show the development of fibrosis, predominantly near blood vessels, and reveal different cell populations and specific cell migration patterns in the affected organs. The combination of immunohistochemical cell characterization and mRNA expression analysis of both human (donor)- and murine (host)-derived cytokines reveals an interaction between host tissues and donor-derived cells in an entangled cytokine profile, in which both donor- and host-derived cytokines contribute to the formation of fibrosis.
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Affiliation(s)
- Marieke C H Hogenes
- Department of Pathology, University Medical Centre Utrecht, Heidelberglaan 100, Utrecht, The Netherlands
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Moelans CB, ter Hoeve N, van Ginkel JW, ten Kate FJ, van Diest PJ. Formaldehyde substitute fixatives. Analysis of macroscopy, morphologic analysis, and immunohistochemical analysis. Am J Clin Pathol 2011; 136:548-56. [PMID: 21917676 DOI: 10.1309/ajcphh1b0cocbgom] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
Abstract
Because formaldehyde is toxic and creates cross-links that may hinder immunohistochemical studies, we tested 3 new cross-linking (F-Solv [Adamas, Rhenen, the Netherlands]) and non-cross-linking (FineFIX [Milestone, Bergamo, Italy] and RCL2 [Alphelys, Plaisir, France]) alcohol-based fixatives for routine staining in comparison with neutral buffered formalin (NBF) as the "gold standard." Fresh tissue samples were divided into 4 equal pieces and fixed in all fixatives for varying times. After paraffin embedding, H&E staining, 7 common histochemical stains, and 9 common immunohistochemical stains were performed. RCL2 fixation resulted in soft and slippery tissue, causing sectioning difficulties. F-Solv and FineFIX led to partial tissue disintegration during fixation. F-Solv performed morphologically similar to NBF but needed considerable protocol adjustments before being applicable in daily histologic and immunohistochemical practice. FineFIX did not necessitate major protocol changes but caused shrinkage artifacts, degranulation, and lysis of RBCs. RCL2 generated morphologically overall good results without major protocol changes but caused pigment deposition, degranulation, and RBC lysis. The alcohol-based fixatives had positive and negative attributes and environmental drawbacks, and none was overall comparable to NBF with regard to macroscopy, morphologic evaluation, and immunohistochemical studies.
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Affiliation(s)
- Cathy B. Moelans
- Department of Pathology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Natalie ter Hoeve
- Department of Pathology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Jan-Willem van Ginkel
- Department of Pathology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Fiebo J. ten Kate
- Department of Pathology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Paul J. van Diest
- Department of Pathology, University Medical Center Utrecht, Utrecht, the Netherlands
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