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Micalet A, Upadhyay A, Javanmardi Y, de Brito CG, Moeendarbary E, Cheema U. Patient-specific colorectal-cancer-associated fibroblasts modulate tumor microenvironment mechanics. iScience 2024; 27:110060. [PMID: 38883829 PMCID: PMC11179580 DOI: 10.1016/j.isci.2024.110060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 01/19/2024] [Accepted: 05/17/2024] [Indexed: 06/18/2024] Open
Abstract
Cancer-associated fibroblasts (CAFs) play a major role in reorganizing the physical tumor micro-environment and changing tissue stiffness. Herein, using an engineered three-dimensional (3D) model that mimics the tumor's native biomechanical environment, we characterized the changes in matrix stiffness caused by six patient-specific colorectal CAF populations. After 21 days of culture, atomic force microscopy (AFM) was performed to precisely measure the local changes in tissue stiffness. Each CAF population exhibited heterogeneity in remodeling capabilities, with some patient-derived cells stiffening the matrix and others softening it. Tissue stiffening was mainly attributed to active contraction of the matrix by the cells, whereas the softening was due to enzymatic activity of matrix-cleaving proteins. This measured heterogeneity was lost when the CAFs were cocultured with colorectal cancer cells, as all samples significantly soften the tissue. The interplay between cancer cells and CAFs was critical as it altered any heterogeneity exhibited by CAFs alone.
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Affiliation(s)
- Auxtine Micalet
- UCL Centre for 3D Models of Health and Disease, Department of Targeted Intervention, Division of Surgery and Interventional Science, University College London, Charles Bell House, 43-45 Foley Street, London W1W 7TS, UK
- Department of Mechanical Engineering, University College London, Gower Street, London WC1E 6BT, UK
| | - Anuja Upadhyay
- UCL Centre for 3D Models of Health and Disease, Department of Targeted Intervention, Division of Surgery and Interventional Science, University College London, Charles Bell House, 43-45 Foley Street, London W1W 7TS, UK
| | - Yousef Javanmardi
- Department of Mechanical Engineering, University College London, Gower Street, London WC1E 6BT, UK
| | | | - Emad Moeendarbary
- Department of Mechanical Engineering, University College London, Gower Street, London WC1E 6BT, UK
- 199 Biotechnologies Ltd, Gloucester Road, London W2 6LD, UK
| | - Umber Cheema
- UCL Centre for 3D Models of Health and Disease, Department of Targeted Intervention, Division of Surgery and Interventional Science, University College London, Charles Bell House, 43-45 Foley Street, London W1W 7TS, UK
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Devarasou S, Kang M, Shin JH. Biophysical perspectives to understanding cancer-associated fibroblasts. APL Bioeng 2024; 8:021507. [PMID: 38855445 PMCID: PMC11161195 DOI: 10.1063/5.0199024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2024] [Accepted: 05/24/2024] [Indexed: 06/11/2024] Open
Abstract
The understanding of cancer has evolved significantly, with the tumor microenvironment (TME) now recognized as a critical factor influencing the onset and progression of the disease. This broader perspective challenges the traditional view that cancer is primarily caused by mutations, instead emphasizing the dynamic interaction between different cell types and physicochemical factors within the TME. Among these factors, cancer-associated fibroblasts (CAFs) command attention for their profound influence on tumor behavior and patient prognoses. Despite their recognized importance, the biophysical and mechanical interactions of CAFs within the TME remain elusive. This review examines the distinctive physical characteristics of CAFs, their morphological attributes, and mechanical interactions within the TME. We discuss the impact of mechanotransduction on CAF function and highlight how these cells communicate mechanically with neighboring cancer cells, thereby shaping the path of tumor development and progression. By concentrating on the biomechanical regulation of CAFs, this review aims to deepen our understanding of their role in the TME and to illuminate new biomechanical-based therapeutic strategies.
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Affiliation(s)
- Somayadineshraj Devarasou
- Department of Mechanical Engineering, Korea Advanced Institute of Science & Technology (KAIST), Daejeon, Korea
| | - Minwoo Kang
- Department of Mechanical Engineering, Korea Advanced Institute of Science & Technology (KAIST), Daejeon, Korea
| | - Jennifer H. Shin
- Department of Mechanical Engineering, Korea Advanced Institute of Science & Technology (KAIST), Daejeon, Korea
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Fang B, Lu Y, Li X, Wei Y, Ye D, Wei G, Zhu Y. Targeting the tumor microenvironment, a new therapeutic approach for prostate cancer. Prostate Cancer Prostatic Dis 2024:10.1038/s41391-024-00825-z. [PMID: 38565910 DOI: 10.1038/s41391-024-00825-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 03/17/2024] [Accepted: 03/21/2024] [Indexed: 04/04/2024]
Abstract
BACKGROUND A growing number of studies have shown that in addition to adaptive immune cells such as CD8 + T cells and CD4 + T cells, various other cellular components within prostate cancer (PCa) tumor microenvironment (TME), mainly tumor-associated macrophages (TAMs), cancer-associated fibroblasts (CAFs) and myeloid-derived suppressor cells (MDSCs), have been increasingly recognized as important modulators of tumor progression and promising therapeutic targets. OBJECTIVE In this review, we aim to delineate the mechanisms by which TAMs, CAFs and MDSCs interact with PCa cells in the TME, summarize the therapeutic advancements targeting these cells and discuss potential new therapeutic avenues. METHODS We searched PubMed for relevant studies published through December 10 2023 on TAMs, CAFs and MDSCs in PCa. RESULTS TAMs, CAFs and MDSCs play a critical role in the tumorigenesis, progression, and metastasis of PCa. Moreover, they substantially mediate therapeutic resistance against conventional treatments including anti-androgen therapy, chemotherapy, and immunotherapy. Therapeutic interventions targeting these cellular components have demonstrated promising effects in preclinical models and several clinical trials for PCa, when administrated alone, or combined with other anti-cancer therapies. However, the lack of reliable biomarkers for patient selection and incomplete understanding of the mechanisms underlying the interactions between these cellular components and PCa cells hinder their clinical translation and utility. CONCLUSION New therapeutic strategies targeting TAMs, CAFs, and MDSCs in PCa hold promising prospects. Future research endeavors should focus on a more comprehensive exploration of the specific mechanisms by which these cells contribute to PCa, aiming to identify additional drug targets and conduct more clinical trials to validate the safety and efficacy of these treatment strategies.
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Affiliation(s)
- Bangwei Fang
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai, 200032, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Shanghai Genitourinary Cancer Institute, Shanghai, 200032, China
| | - Ying Lu
- Key Laboratory of Metabolism and Molecular Medicine of the Ministry of Education, Department of Biochemistry and Molecular Biology of School of Basic Medical Sciences, Shanghai Medical College of Fudan University, Shanghai, China
| | - Xiaomeng Li
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai, 200032, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Shanghai Genitourinary Cancer Institute, Shanghai, 200032, China
| | - Yu Wei
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai, 200032, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Shanghai Genitourinary Cancer Institute, Shanghai, 200032, China
| | - Dingwei Ye
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai, 200032, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Shanghai Genitourinary Cancer Institute, Shanghai, 200032, China
| | - Gonghong Wei
- Key Laboratory of Metabolism and Molecular Medicine of the Ministry of Education, Department of Biochemistry and Molecular Biology of School of Basic Medical Sciences, Shanghai Medical College of Fudan University, Shanghai, China
| | - Yao Zhu
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai, 200032, China.
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China.
- Shanghai Genitourinary Cancer Institute, Shanghai, 200032, China.
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Borikun T, Mushii O, Pavlova A, Burda T, Zadvornyi T. TUMOR MICROENVIRONMENT-ASSOCIATED miR-7-5p, miR-19a-3p, AND miR-23b-3p EXPRESSION IN PROSTATE CANCER WITH DIFFERENT PROGRESSION RISK. Exp Oncol 2024; 45:432-442. [PMID: 38328847 DOI: 10.15407/exp-oncology.2023.04.432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Indexed: 02/09/2024]
Abstract
BACKGROUND The tumor microenvironment (TME) plays an important role in the occurrence and progression of prostate cancer (PCa). At the same time, the mechanisms and features of the interaction between tumor cells and individual components of the TME in PCa remain not fully elucidated. The aim was to study the expression levels of tumor-associated miR-7-5p, miR-19a-3p, and miR-23b-3p in the PCa tissue and to analyze their relationship with the features of TME. MATERIALS AND METHODS The work is based on the analysis of the results of the examination and treatment of 50 patients with PCa of stages II-IV. The expression of miRNA in the PCa tissue was analyzed by the real-time polymerase chain reaction. The expression of alpha-smooth muscle actin (α-SMA), vimentin (VIM), and CD68 in PCa tissue was determined by the immunohistochemical method. The identification of mast cells in the PCa tissue was assessed by the histochemical method. RESULTS The analysis of the expression levels of tumor-associated miRNAs demonstrated that the tumor tissue of patients with a high risk of PCa progression was characterized by 4.93 (p < 0.01) and 8.97 (p < 0.05) times higher levels of miR-19a-3p and miR-23b-3p, respectively, compared to similar indicators in the group of patients with a low risk of PCa progression. The levels of miR-7-5p and miR-19a-3p expression in the PCa tissue correlated with the expression level of α-SMA (r = 0.49 and r = 0.45, respectively; p < 0.05) and VIM (r = 0.45 and r = 0.46; respectively, p < 0.05). A direct relationship (r = 0.44; p < 0.05) was established between the level of miR-7-5p expression and the degree of infiltration of the prostate gland tissue by tumor-associated macrophages. CONCLUSIONS The features of the expression of tumor-associated miR-7-5p, miR-19a-3p, and miR-23b-3p indicated the prospect of their use as markers of the aggressiveness of the PCa course.
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Affiliation(s)
- T Borikun
- R.E. Kavetsky Institute of Experimental Pathology, Oncology, and Radiobiology, NAS of Ukraine, Kyiv, Ukraine
| | - O Mushii
- R.E. Kavetsky Institute of Experimental Pathology, Oncology, and Radiobiology, NAS of Ukraine, Kyiv, Ukraine
| | - A Pavlova
- R.E. Kavetsky Institute of Experimental Pathology, Oncology, and Radiobiology, NAS of Ukraine, Kyiv, Ukraine
| | - T Burda
- R.E. Kavetsky Institute of Experimental Pathology, Oncology, and Radiobiology, NAS of Ukraine, Kyiv, Ukraine
| | - T Zadvornyi
- R.E. Kavetsky Institute of Experimental Pathology, Oncology, and Radiobiology, NAS of Ukraine, Kyiv, Ukraine.
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Bedeschi M, Marino N, Cavassi E, Piccinini F, Tesei A. Cancer-Associated Fibroblast: Role in Prostate Cancer Progression to Metastatic Disease and Therapeutic Resistance. Cells 2023; 12:cells12050802. [PMID: 36899938 PMCID: PMC10000679 DOI: 10.3390/cells12050802] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 02/24/2023] [Accepted: 03/03/2023] [Indexed: 03/08/2023] Open
Abstract
Prostate cancer (PCa) is one of the most common cancers in European males. Although therapeutic approaches have changed in recent years, and several new drugs have been approved by the Food and Drug Administration (FDA), androgen deprivation therapy (ADT) remains the standard of care. Currently, PCa represents a clinical and economic burden due to the development of resistance to ADT, paving the way to cancer progression, metastasis, and to long-term side effects induced by ADT and radio-chemotherapeutic regimens. In light of this, a growing number of studies are focusing on the tumor microenvironment (TME) because of its role in supporting tumor growth. Cancer-associated fibroblasts (CAFs) have a central function in the TME because they communicate with prostate cancer cells, altering their metabolism and sensitivity to drugs; hence, targeted therapy against the TME, and, in particular, CAFs, could represent an alternative therapeutic approach to defeat therapy resistance in PCa. In this review, we focus on different CAF origins, subsets, and functions to highlight their potential in future therapeutic strategies for prostate cancer.
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Affiliation(s)
- Martina Bedeschi
- BioScience Laboratory, IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) “Dino Amadori”, 47014 Meldola, Italy
- Correspondence: (M.B.); (A.T.); Tel.: +39-0543739932 (A.T.)
| | - Noemi Marino
- BioScience Laboratory, IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) “Dino Amadori”, 47014 Meldola, Italy
| | - Elena Cavassi
- BioScience Laboratory, IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) “Dino Amadori”, 47014 Meldola, Italy
| | - Filippo Piccinini
- BioScience Laboratory, IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) “Dino Amadori”, 47014 Meldola, Italy
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, 40126 Bologna, Italy
| | - Anna Tesei
- BioScience Laboratory, IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) “Dino Amadori”, 47014 Meldola, Italy
- Correspondence: (M.B.); (A.T.); Tel.: +39-0543739932 (A.T.)
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Prostate Cancer Tumor Stroma: Responsibility in Tumor Biology, Diagnosis and Treatment. Cancers (Basel) 2022; 14:cancers14184412. [PMID: 36139572 PMCID: PMC9496870 DOI: 10.3390/cancers14184412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 09/05/2022] [Accepted: 09/06/2022] [Indexed: 12/24/2022] Open
Abstract
Simple Summary The crosstalk between prostate stroma and its epithelium is essential to tissue homeostasis. Likewise, reciprocal signaling between tumor cells and the stromal compartment is required in tumor progression to facilitate or stimulate key processes such as cell proliferation and invasion. The aim of the present work was to review the current state of knowledge on the significance of tumor stroma in the genesis, progression and therapeutic response of prostate carcinoma. Additionally, we addressed the future therapeutic opportunities. Abstract Prostate cancer (PCa) is a common cancer among males globally, and its occurrence is growing worldwide. Clinical decisions about the combination of therapies are becoming highly relevant. However, this is a heterogeneous disease, ranging widely in prognosis. Therefore, new approaches are needed based on tumor biology, from which further prognostic assessments can be established and complementary strategies can be identified. The knowledge of both the morphological structure and functional biology of the PCa stroma compartment can provide new diagnostic, prognostic or therapeutic possibilities. In the present review, we analyzed the aspects related to the tumor stromal component (both acellular and cellular) in PCa, their influence on tumor behavior and the therapeutic response and their consideration as a new therapeutic target.
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Huang K, Liu J, Chen Q, Feng D, Wu H, Aldanakh A, Jian Y, Xu Z, Wang S, Yang D. The effect of mechanical force in genitourinary malignancies. Expert Rev Anticancer Ther 2021; 22:53-64. [PMID: 34726963 DOI: 10.1080/14737140.2022.2000864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
INTRODUCTION Mechanical force is attributed to the formation of tumor blood vessels, influences cancer cell invasion and metastasis, and promotes reprogramming of the energy metabolism. Currently, therapy strategies for the tumor microenvironment are being developed progressively. The purpose of this article is to discuss the molecular mechanism, diagnosis, and treatment of mechanical force in urinary tract cancers and outline the medications used in the mechanical microenvironment. AREAS COVERED This review covers the complex mechanical elements in the microenvironment of urinary system malignancies, focusing on mechanical molecular mechanisms for diagnosis and treatment. EXPERT OPINION The classification of various mechanical forces, such as matrix stiffness, shear force, and other forces, is relatively straightforward. However, little is known about the molecular process of mechanical forces in urinary tract malignancies. Because mechanical therapy is still controversial, it is critical to understand the molecular basis of mechanical force before adding mechanical therapy solutions.
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Affiliation(s)
- Kai Huang
- Department of Urology, First Affifiliated Hospital of Dalian Medical University, Dalian, China
| | - Junqiang Liu
- Department of Urology, First Affifiliated Hospital of Dalian Medical University, Dalian, China
| | - Qiwei Chen
- Department of Urology, First Affifiliated Hospital of Dalian Medical University, Dalian, China.,School of Information Science and Technology, Dalian Maritime University, Dalian City, China
| | - Dan Feng
- Department of Urology, First Affifiliated Hospital of Dalian Medical University, Dalian, China
| | - Haotian Wu
- Department of Urology, First Affifiliated Hospital of Dalian Medical University, Dalian, China
| | - Abdullah Aldanakh
- Department of Urology, First Affifiliated Hospital of Dalian Medical University, Dalian, China
| | - Yuli Jian
- Department of Biochemistry, Institute of Glycobiology, Dalian Medical University, Dalian, China
| | - Zhongyang Xu
- Department of Biochemistry, Institute of Glycobiology, Dalian Medical University, Dalian, China
| | - Shujing Wang
- Department of Biochemistry, Institute of Glycobiology, Dalian Medical University, Dalian, China
| | - Deyong Yang
- Department of Urology, First Affifiliated Hospital of Dalian Medical University, Dalian, China
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Monteiro MV, Gaspar VM, Mendes L, Duarte IF, Mano JF. Stratified 3D Microtumors as Organotypic Testing Platforms for Screening Pancreatic Cancer Therapies. SMALL METHODS 2021; 5:e2001207. [PMID: 34928079 DOI: 10.1002/smtd.202001207] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 01/19/2021] [Indexed: 06/14/2023]
Abstract
Cancer-associated pancreatic stellate cells installed in periacinar/periductal regions are master players in generating the characteristic biophysical shield found in pancreatic ductal adenocarcinoma (PDAC). Recreating this unique PDAC stromal architecture and its desmoplastic microenvironment in vitro is key to discover innovative treatments. However, this still remains highly challenging to realize. Herein, organotypic 3D microtumors that recapitulate PDAC-stroma spatial bioarchitecture, as well as its biomolecular, metabolic, and desmoplastic signatures, are bioengineered. Such newly engineered platforms, termed stratified microenvironment spheroid models - STAMS - mimic the spatial stratification of cancer-stromal cells, exhibit a reproducible morphology and sub-millimeter size. In culture, 3D STAMS secrete the key molecular biomarkers found in human pancreatic cancer, namely TGF-β, FGF-2, IL-1β, and MMP-9, among others. This is accompanied by an extensive desmoplastic reaction where collagen and glycosaminoglycans (GAGs) de novo deposition is observed. These stratified models also recapitulate the resistance to various chemotherapeutics when compared to standard cancer-stroma random 3D models. Therapeutics resistance is further evidenced upon STAMS inclusion in a tumor extracellular matrix (ECM)-mimetic hydrogel matrix, reinforcing the importance of mimicking PDAC-stroma bioarchitectural features in vitro. The 3D STAMS technology represents a next generation of biomimetic testing platforms with improved potential for advancing high-throughput screening and preclinical validation of innovative pancreatic cancer therapies.
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Affiliation(s)
- Maria V Monteiro
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, Aveiro, 3810-193, Portugal
| | - Vítor M Gaspar
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, Aveiro, 3810-193, Portugal
| | - Luís Mendes
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, Aveiro, 3810-193, Portugal
| | - Iola F Duarte
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, Aveiro, 3810-193, Portugal
| | - João F Mano
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, Aveiro, 3810-193, Portugal
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Devlies W, Handle F, Devos G, Joniau S, Claessens F. Preclinical Models in Prostate Cancer: Resistance to AR Targeting Therapies in Prostate Cancer. Cancers (Basel) 2021; 13:915. [PMID: 33671614 PMCID: PMC7926818 DOI: 10.3390/cancers13040915] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 02/15/2021] [Accepted: 02/16/2021] [Indexed: 12/18/2022] Open
Abstract
Prostate cancer is an androgen-driven tumor. Different prostate cancer therapies consequently focus on blocking the androgen receptor pathway. Clinical studies reported tumor resistance mechanisms by reactivating and bypassing the androgen pathway. Preclinical models allowed the identification, confirmation, and thorough study of these pathways. This review looks into the current and future role of preclinical models to understand resistance to androgen receptor-targeted therapies. Increasing knowledge on this resistance will greatly improve insights into tumor pathophysiology and future treatment strategies in prostate cancer.
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Affiliation(s)
- Wout Devlies
- Laboratory of Molecular Endocrinology, KU Leuven, 3000 Leuven, Belgium;
- Department of Urology, University Hospitals Leuven, 3000 Leuven, Belgium; (G.D.); (S.J.)
| | - Florian Handle
- Division of Experimental Urology, Department of Urology, Medical University of Innsbruck, 6020 Innsbruck, Austria;
| | - Gaëtan Devos
- Department of Urology, University Hospitals Leuven, 3000 Leuven, Belgium; (G.D.); (S.J.)
| | - Steven Joniau
- Department of Urology, University Hospitals Leuven, 3000 Leuven, Belgium; (G.D.); (S.J.)
| | - Frank Claessens
- Laboratory of Molecular Endocrinology, KU Leuven, 3000 Leuven, Belgium;
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Ishii K, Nakagawa Y, Matsuda C, Katoh D, Ichishi M, Shirai T, Hirokawa Y, Fujiwara M, Sugimura Y, Watanabe M. Heterogeneous induction of an invasive phenotype in prostate cancer cells by coculturing with patient-derived fibroblasts. J Cell Biochem 2021; 122:679-688. [PMID: 33480080 DOI: 10.1002/jcb.29893] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 12/23/2020] [Accepted: 01/05/2021] [Indexed: 12/28/2022]
Abstract
Prostate cancer (PCa) cells frequently invade the surrounding stroma, leading to heterogeneous formation of structural atypia. The surrounding stroma contains multiple functionally diverse populations of fibroblasts that trigger numerous changes in PCa cells including motility. Thus, we hypothesized that direct or indirect contact of PCa cells with fibroblasts determines an invasive phenotype in PCa cells. We investigated the effects of 10 different patient-derived fibroblast lines on the three-dimensional (3D) morphogenesis of PCa cells growing on a viscous substrate in vitro. When grown alone, all 10 patient-derived fibroblast lines clumped on the viscous substrate, whereas the human androgen-sensitive PCa cell line LNCaP did not. Cocultures of LNCaP cells with seven of the patient-derived fibroblast lines (PrSC, pcPrF-M5, pcPrF-M7, pcPrF-M23, pcPrF-M24, pcPrF-M28, and pcPrF-M31) formed a thick fibroblast layer that resembled human prostate stromal structures. In contrast, cocultures of LNCaP cells with the remaining three fibroblast lines (NPF-M13, pcPrF-M10, and pcPrF-M26) did not form a thick fibroblast layer. Of the seven fibroblast lines that caused thick layer formation, four patient-derived fibroblast lines (PrSC, pcPrF-M5, pcPrF-M28, and pcPrF-M31) induced an invasive phenotype in LNCaP cells with a cord-like infiltrating growth pattern, whereas the other three fibroblast lines (pcPrF-M7, pcPrF-M23, and pcPrF-M24) induced no or a very weak invasive phenotype. Using cell culture inserts, none of the four patient-derived fibroblast lines that induced an invasive phenotype (PrSC, pcPrF-M5, pcPrF-M28, and pcPrF-M31) affected CDH1 mRNA expression in LNCaP cells; yet, two patient-derived fibroblast lines (pcPrF-M5 and pcPrF-M28) increased CDH2 mRNA expression in LNCaP cells, whereas the other two fibroblast lines (PrSC and pcPrF-M31) did not. These results suggest that the existence of multiple functionally diverse populations of fibroblasts in PCa tissue may be responsible for the diversity in PCa cell invasion, leading to heterogeneous formation of structural atypia.
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Affiliation(s)
- Kenichiro Ishii
- Department of Oncologic Pathology, Mie University Graduate School of Medicine, Mie, Japan
| | - Yasuhisa Nakagawa
- Department of Oncologic Pathology, Mie University Graduate School of Medicine, Mie, Japan.,Faculty of Medical Technology, Gifu University of Medical Science, Gifu, Japan
| | - Chise Matsuda
- Department of Oncologic Pathology, Mie University Graduate School of Medicine, Mie, Japan
| | - Daisuke Katoh
- Department of Pathology and Matrix Biology, Mie University Graduate School of Medicine, Mie, Japan
| | - Masako Ichishi
- Department of Oncologic Pathology, Mie University Graduate School of Medicine, Mie, Japan
| | - Taku Shirai
- Department of Oncologic Pathology, Mie University Graduate School of Medicine, Mie, Japan
| | - Yoshifumi Hirokawa
- Department of Oncologic Pathology, Mie University Graduate School of Medicine, Mie, Japan
| | - Masaya Fujiwara
- Department of Oncologic Pathology, Mie University Graduate School of Medicine, Mie, Japan.,Department of Clinical Laboratory, Mie Chuo Medical Center, Mie, Japan
| | - Yoshiki Sugimura
- Department of Nephro-Urologic Surgery and Andrology, Mie University Graduate School of Medicine, Mie, Japan
| | - Masatoshi Watanabe
- Department of Oncologic Pathology, Mie University Graduate School of Medicine, Mie, Japan
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