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Feng Z, Gao L, Lu Y, He X, Xie J. The potential contribution of aberrant cathepsin K expression to gastric cancer pathogenesis. Discov Oncol 2024; 15:218. [PMID: 38856944 PMCID: PMC11164852 DOI: 10.1007/s12672-023-00814-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 10/26/2023] [Indexed: 06/11/2024] Open
Abstract
The role of cathepsin K (CTSK) expression in the pathogenesis and progression of gastric cancer (GC) remains unclear. Hence, the primary objective of this study is to elucidate the precise expression and biological role of CTSK in GC by employing a combination of bioinformatics analysis and in vitro experiments. Our findings indicated a significant upregulation of CTSK in GC. The bioinformatics analysis revealed that GC patients with a high level of CTSK expression exhibited enrichment of hallmark gene sets associated with angiogenesis, epithelial-mesenchymal transition (EMT), inflammatory response, KRAS signaling up, TNFα signaling via KFκB, IL2-STAT5 signaling, and IL6-JAK-STAT3 signaling. Additionally, these patients demonstrated elevated levels of M2-macrophage infiltration, which was also correlated with a poorer prognosis. The results of in vitro experiments provided confirmation that the over-expression of CTSK leads to an increase in the proliferative and invasive abilities of GC cells. However, further evaluation was necessary to determine the impact of CTSK on the migration capability of these cells. Our findings suggested that CTSK has the potential to facilitate the initiation and progression of GC by augmenting the invasive capacity of GC cells, engaging in tumor-associated EMT, and fostering the establishment of an immunosuppressive tumor microenvironment (TME).
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Affiliation(s)
- Zhijun Feng
- Jiangmen Central Hospital, No. 23, Haibang Street, Pengjiang District, Jiangmen, Guangdong, China
- The Second Clinical Medical College, Lanzhou University, No. 82, Cuiyingmen, Chengguan District, Lanzhou, Gansu, China
| | - Lina Gao
- Laboratory Medicine Center, Lanzhou University Second Hospital, No. 82, Cuiyingmen, Chengguan District, Lanzhou, Gansu, China
| | - Yapeng Lu
- Department of Anesthesiology, Lanzhou University Second Hospital, No. 82, Cuiyingmen, Chengguan District, Lanzhou, Gansu, China
| | - Xiaodong He
- The Second Clinical Medical College, Lanzhou University, No. 82, Cuiyingmen, Chengguan District, Lanzhou, Gansu, China.
| | - Jianqin Xie
- Department of Anesthesiology, Lanzhou University Second Hospital, No. 82, Cuiyingmen, Chengguan District, Lanzhou, Gansu, China.
- The Second Clinical Medical College, Lanzhou University, No. 82, Cuiyingmen, Chengguan District, Lanzhou, Gansu, China.
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2
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Samaržija I. The Potential of Extracellular Matrix- and Integrin Adhesion Complex-Related Molecules for Prostate Cancer Biomarker Discovery. Biomedicines 2023; 12:79. [PMID: 38255186 PMCID: PMC10813710 DOI: 10.3390/biomedicines12010079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 12/16/2023] [Accepted: 12/26/2023] [Indexed: 01/24/2024] Open
Abstract
Prostate cancer is among the top five cancer types according to incidence and mortality. One of the main obstacles in prostate cancer management is the inability to foresee its course, which ranges from slow growth throughout years that requires minimum or no intervention to highly aggressive disease that spreads quickly and resists treatment. Therefore, it is not surprising that numerous studies have attempted to find biomarkers of prostate cancer occurrence, risk stratification, therapy response, and patient outcome. However, only a few prostate cancer biomarkers are used in clinics, which shows how difficult it is to find a novel biomarker. Cell adhesion to the extracellular matrix (ECM) through integrins is among the essential processes that govern its fate. Upon activation and ligation, integrins form multi-protein intracellular structures called integrin adhesion complexes (IACs). In this review article, the focus is put on the biomarker potential of the ECM- and IAC-related molecules stemming from both body fluids and prostate cancer tissue. The processes that they are involved in, such as tumor stiffening, bone turnover, and communication via exosomes, and their biomarker potential are also reviewed.
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Affiliation(s)
- Ivana Samaržija
- Laboratory for Epigenomics, Division of Molecular Medicine, Ruđer Bošković Institute, 10000 Zagreb, Croatia
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3
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Zou N, Liu R, Li C. Cathepsin K+ Non-Osteoclast Cells in the Skeletal System: Function, Models, Identity, and Therapeutic Implications. Front Cell Dev Biol 2022; 10:818462. [PMID: 35912093 PMCID: PMC9326176 DOI: 10.3389/fcell.2022.818462] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 05/31/2022] [Indexed: 11/13/2022] Open
Abstract
Cathepsin K (Ctsk) is a cysteine protease of the papain superfamily initially identified in differentiated osteoclasts; it plays a critical role in degrading the bone matrix. However, subsequent in vivo and in vitro studies based on animal models elucidate novel subpopulations of Ctsk-expressing cells, which display markers and properties of mesenchymal stem/progenitor cells. This review introduces the function, identity, and role of Ctsk+ cells and their therapeutic implications in related preclinical osseous disorder models. It also summarizes the available in vivo models for studying Ctsk+ cells and their progeny. Further investigations of detailed properties and mechanisms of Ctsk+ cells in transgenic models are required to guide potential therapeutic targets in multiple diseases in the future.
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Affiliation(s)
- Nanyu Zou
- Department of Endocrinology, Endocrinology Research Center, The Xiangya Hospital of Central South University, Changsha, China
| | - Ran Liu
- Department of Endocrinology, Endocrinology Research Center, The Xiangya Hospital of Central South University, Changsha, China
| | - Changjun Li
- Department of Endocrinology, Endocrinology Research Center, The Xiangya Hospital of Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders (Xiangya Hospital), Changsha, China
- Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, China
- *Correspondence: Changjun Li,
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4
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Iakymenko OA, Delma KS, Jorda M, Kryvenko ON. Cathepsin K (Clone EPR19992) Demonstrates Uniformly Positive Immunoreactivity in Renal Oncocytoma, Chromophobe Renal Cell Carcinoma, and Distal Tubules. Int J Surg Pathol 2021; 29:600-605. [PMID: 33764165 DOI: 10.1177/1066896921991588] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Introduction. Cathepsin K is overexpressed in several tumors associated with microphthalmia transcription factor (MiTF) family or mechanistic target of rapamycin (mTOR) upregulation. Among renal neoplasms, MiTF translocation renal cell carcinoma (RCC), perivascular epithelioid cell neoplasms (PEComa), and eosinophilic solid and cystic RCC have demonstrated Cathepsin K immunoreactivity. In this study, we demonstrate a uniform Cathepsin K expression in oncocytoma, chromophobe RCC (CHRCC), and distal tubules. Design. We stained 13 oncocytomas, 13 CHRCC, 14 clear cell RCC (CCRCC), 9 papillary RCC (PRCC), 9 PEComas, and 5 MiTF RCC. Additionally, we assessed immunoreactivity for Cathepsin K in non-neoplastic renal parenchyma. Immunolabeling was performed on regularly charged slides from formalin-fixed paraffin-embedded tissue with monoclonal anti-rabbit antibodies to human Cathepsin K (clone EPR19992, Abcam). Results. All oncocytomas demonstrated diffuse strong cytoplasmic immunolabeling. CHRCC demonstrated uniform less intense immunolabeling in all cases with membranous accentuation. The assessment of the non-neoplastic renal parenchyma in all cases showed strong cytoplasmic immunoreaction in distal tubules and proximal tubules stained faintly. Mesangial cells were not immunoreactive. All MiTF RCC and PEComas were immunoreactive for Cathepsin K, whereas CCRCC and PRCC were negative in all cases. Conclusions. In this study, we expand the spectrum of renal neoplasms reactive with a particular clone of Cathepsin K (EPR19992). Distal tubules are strongly immunoreactive for Cathepsin K. Our conclusions need to be taken into consideration when differential diagnosis includes MiTF RCC or PEComa and this Cathepsin K clone is included in the immunohistochemical panel. This newer antibody clone was not tested in prior publications, potentially explaining the difference in conclusions.
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Affiliation(s)
| | - Katiana S Delma
- 12235University of Miami Miller School of Medicine, Miami, FL, USA
| | - Merce Jorda
- 12235University of Miami Miller School of Medicine, Miami, FL, USA.,Sylvester Comprehensive Cancer Center, 12235University of Miami Miller School of Medicine, Miami, FL, USA
| | - Oleksandr N Kryvenko
- 12235University of Miami Miller School of Medicine, Miami, FL, USA.,Sylvester Comprehensive Cancer Center, 12235University of Miami Miller School of Medicine, Miami, FL, USA
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Petersen EV, Chudakova DA, Skorova EY, Anikin V, Reshetov IV, Mynbaev OA. The Extracellular Matrix-Derived Biomarkers for Diagnosis, Prognosis, and Personalized Therapy of Malignant Tumors. Front Oncol 2020; 10:575569. [PMID: 33425730 PMCID: PMC7793707 DOI: 10.3389/fonc.2020.575569] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Accepted: 11/10/2020] [Indexed: 01/18/2023] Open
Abstract
The tumor biomarkers already have proven clinical value and have become an integral part in cancer management and modern translational oncology. The tumor tissue microenvironment (TME), which includes extracellular matrix (ECM), signaling molecules, immune and stromal cells, and adjacent non-tumorous tissue, contributes to cancer pathogenesis. Thus, TME-derived biomarkers have many clinical applications. This review is predominately based on the most recent publications (manuscripts published in a last 5 years, or seminal publications published earlier) and fills a gap in the current literature on the cancer biomarkers derived from the TME, with particular attention given to the ECM and products of its processing and degradation, ECM-associated extracellular vesicles (EVs), biomechanical characteristics of ECM, and ECM-derived biomarkers predicting response to the immunotherapy. We discuss the clinical utility of the TME-incorporating three-dimensional in vitro and ex vivo cell culture models for personalized therapy. We conclude that ECM is a critical driver of malignancies and ECM-derived biomarkers should be included in diagnostics and prognostics panels of markers in the clinic.
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Affiliation(s)
- Elena V. Petersen
- Department of Molecular and Bio Physics, Moscow Institute of Physics and Technology, Dolgoprudny, Russia
| | - Daria A. Chudakova
- School of Biological Sciences, University of Auckland, Auckland, New Zealand
| | - Ekaterina Yu. Skorova
- Department of Molecular and Bio Physics, Moscow Institute of Physics and Technology, Dolgoprudny, Russia
| | - Vladimir Anikin
- Harefield Hospital, The Royal Brompton and Harefield Hospitals NHS Foundation Trust, Harefield, United Kingdom
- Department of Oncology and Reconstructive Surgery, Sechenov Medical University, Moscow, Russia
| | - Igor V. Reshetov
- Department of Molecular and Bio Physics, Moscow Institute of Physics and Technology, Dolgoprudny, Russia
- Department of Oncology and Reconstructive Surgery, Sechenov Medical University, Moscow, Russia
| | - Ospan A. Mynbaev
- Department of Molecular and Bio Physics, Moscow Institute of Physics and Technology, Dolgoprudny, Russia
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Feng Z, Qiao R, Ren Z, Hou X, Feng J, He X, Chen D. Could CTSK and COL4A2 be specific biomarkers of poor prognosis for patients with gastric cancer in Asia?-a microarray analysis based on regional population. J Gastrointest Oncol 2020; 11:386-401. [PMID: 32399279 DOI: 10.21037/jgo.2020.03.01] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Background In the purpose of identifying reliable biomarkers for evaluating prognosis, monitoring recurrence and exploring new therapeutic targets, it is quite necessary to screen for the genetic changes and potential molecular mechanisms of the occurrence and development of gastric cancer (GC) from the aspects of race and region. Methods Target datasets were retrieved from Gene Expression Omnibus (GEO) database with "gastric cancer" as the key word, and corresponding data was downloaded. The differentially expressed genes (DEGs) were obtained by using limma R package, and the Gene Ontology (GO) annotation and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway for DEGs were analyzed in Enirchr database. Protein-protein interaction (PPI) network and molecular module were also constructed through STRING database and Cytoscape software. Survival analyses were completed for DEGs in GEO and Kaplan-Meier plotter database via cross validation. Finally, the correlation between gene expression and the infiltration cell levels in tumor microenvironment (TME) was explored based on the tumor immune estimation resource (TIMER) database. Results Five GC-related microarray datasets were selected and used for differential analysis, and 222 DEGs were identified. GO analyses of DEGs were mainly involved in cell metabolism and the formation of extracellular matrix (ECM). The top enriched pathways of DEGs were protein digestion and absorption, ECM-receptor interaction, focal adhesion (FA), PI3K-Akt signaling pathway. Survival analyses of DEGs revealed that the expression levels of CTSK and COL4A2 were significantly associated with poor prognosis of GC patients in Asian. Specifically, the high expression of CTSK had a closely related to the infiltration level of inflammatory cell in TME. Conclusions CTSK and COL4A2 could play a critical role in the pathogenesis of GC and act as the promising prognostic biomarkers. CTSK could induce the formation of immunosuppressive TME and promote the immune escape of GC cells.
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Affiliation(s)
- Zhijun Feng
- Department of General Surgery, The Second Clinical Medical College, Lanzhou University, Lanzhou 730030, China
| | - Ruili Qiao
- Department of VIP Internal Medicine, Lanzhou University First Hospital, Lanzhou 730000, China
| | - Zhijian Ren
- Department of General Surgery, The Second Clinical Medical College, Lanzhou University, Lanzhou 730030, China
| | - Xiaofeng Hou
- Department of General Surgery, The Second Clinical Medical College, Lanzhou University, Lanzhou 730030, China
| | - Jie Feng
- Department of General Surgery, The Second Clinical Medical College, Lanzhou University, Lanzhou 730030, China
| | - Xiaodong He
- Department of General Surgery, The Second Clinical Medical College, Lanzhou University, Lanzhou 730030, China
| | - Dongdong Chen
- Department of The First General Surgery, Gansu Provincial Hospital, Lanzhou 730000, China
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Zhang X. Interactions between cancer cells and bone microenvironment promote bone metastasis in prostate cancer. Cancer Commun (Lond) 2019; 39:76. [PMID: 31753020 PMCID: PMC6873445 DOI: 10.1186/s40880-019-0425-1] [Citation(s) in RCA: 84] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Accepted: 11/13/2019] [Indexed: 12/26/2022] Open
Abstract
Bone metastasis is the leading cause of death in prostate cancer patients, for which there is currently no effective treatment. Since the bone microenvironment plays an important role in this process, attentions have been directed to the interactions between cancer cells and the bone microenvironment, including osteoclasts, osteoblasts, and bone stromal cells. Here, we explained the mechanism of interactions between prostate cancer cells and metastasis-associated cells within the bone microenvironment and further discussed the recent advances in targeted therapy of prostate cancer bone metastasis. This review also summarized the effects of bone microenvironment on prostate cancer metastasis and the related mechanisms, and provides insights for future prostate cancer metastasis studies.
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Affiliation(s)
- Xiangyu Zhang
- Department of Pathology, Jining First People's Hospital, Jining Medical University, No. 6 Jiankang Road, Jining, 272000, Shandong, P. R. China.
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Extracellular Matrix Alterations in Metastatic Processes. Int J Mol Sci 2019; 20:ijms20194947. [PMID: 31591367 PMCID: PMC6802000 DOI: 10.3390/ijms20194947] [Citation(s) in RCA: 227] [Impact Index Per Article: 45.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 09/26/2019] [Accepted: 09/30/2019] [Indexed: 12/12/2022] Open
Abstract
The extracellular matrix (ECM) is a complex network of extracellular-secreted macromolecules, such as collagen, enzymes and glycoproteins, whose main functions deal with structural scaffolding and biochemical support of cells and tissues. ECM homeostasis is essential for organ development and functioning under physiological conditions, while its sustained modification or dysregulation can result in pathological conditions. During cancer progression, epithelial tumor cells may undergo epithelial-to-mesenchymal transition (EMT), a morphological and functional remodeling, that deeply alters tumor cell features, leading to loss of epithelial markers (i.e., E-cadherin), changes in cell polarity and intercellular junctions and increase of mesenchymal markers (i.e., N-cadherin, fibronectin and vimentin). This process enhances cancer cell detachment from the original tumor mass and invasiveness, which are necessary for metastasis onset, thus allowing cancer cells to enter the bloodstream or lymphatic flow and colonize distant sites. The mechanisms that lead to development of metastases in specific sites are still largely obscure but modifications occurring in target tissue ECM are being intensively studied. Matrix metalloproteases and several adhesion receptors, among which integrins play a key role, are involved in metastasis-linked ECM modifications. In addition, cells involved in the metastatic niche formation, like cancer associated fibroblasts (CAF) and tumor associated macrophages (TAM), have been found to play crucial roles in ECM alterations aimed at promoting cancer cells adhesion and growth. In this review we focus on molecular mechanisms of ECM modifications occurring during cancer progression and metastatic dissemination to distant sites, with special attention to lung, liver and bone. Moreover, the functional role of cells forming the tumor niche will also be reviewed in light of the most recent findings.
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Liang W, Wang F, Chen Q, Dai J, Escara-Wilke J, Keller ET, Zimmermann J, Hong N, Lu Y, Zhang J. Targeting cathepsin K diminishes prostate cancer establishment and growth in murine bone. J Cancer Res Clin Oncol 2019; 145:1999-2012. [PMID: 31172267 PMCID: PMC6658578 DOI: 10.1007/s00432-019-02950-y] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Accepted: 06/01/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND The processes of prostate cancer (PCa) invasion and metastasis are facilitated by proteolytic cascade involving multiple proteases, such as matrix metalloproteinases, serine proteases and cysteine proteases including cathepsin K (CatK). CatK is predominantly secreted by osteoclasts and specifically degrades collagen I leading to bone destruction. PCa and breast cancer preferentially metastasize to the bone. Importantly, CatK expression level is greater in PCa bone metastatic sites compared to primary tumor and normal prostate tissues. However, the underlying mechanism of CatK during PCa metastases into the bone remains to be elucidated. We investigated the functional role of CatK during the PCa establishment and growth process in the murine bone. METHODS CatK mRNA expression was validated by RT-PCR, protein expression by immunoblotting in PCa LNCaP, C4-2B, and PC3 cells as well as in PCa tissues. Its protein production was measured using ELISA assay. The effect of both knockdowns via siRNA and CatK inhibitor was compared in regard to PCa cell invasion. We further studied the dose-dependent CatK inhibitor effect on conditioned media-induced bone resorption. In setting up an animal model, C4-2B cells were injected into the tibiae of SCID mice. The animals treated with either vehicle or CatK inhibitor for 8 weeks at the time of tumor cell injection (tumor establishment model; protocol I) or 4 weeks after tumor cell injection (tumor progression model; protocol II) were applied to histological and histomorphometric analyses. RESULTS We confirmed CatK expression in PCa LNCaP, C4-2B, and PC3 cells as well as in PCa tissues. Furthermore, we observed the inhibitory effects of a selective CatK inhibitor on PCa cell invasion. The CatK inhibitor dose-dependently inhibited PCa-conditioned media-induced bone resorption. Upon injection of C4-2B cells into the tibiae of SCID mice, the selective CatK inhibitor significantly prevented the tumor establishment in protocol I, and reduced the tumor growth in bone in protocol II. It also decreased serum PSA levels in both animal models. The inhibitory effects of the CatK inhibitor were enhanced in combination with zoledronic acid (ZA). CONCLUSION The selective CatK inhibitor may prevent the establishment and progression of PCa in bone, thus making it a novel therapeutic approach for advanced PCa.
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Affiliation(s)
- Weiping Liang
- Key Laboratory of Longevity and Aging-Related Diseases, Guangxi Medical University, Ministry of Education, Nanning, 530021, Guangxi, China
| | - Fuhao Wang
- School of Medicine, Southern University of Science and Technology, Shenzhen, 518055, Guangdong, China.,Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen, 518055, Guangdong, China
| | - Qiuyan Chen
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, Guangdong, China
| | - Jinlu Dai
- Department of Pathology and Internal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - June Escara-Wilke
- Department of Pathology and Internal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Evan T Keller
- Department of Pathology and Internal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Johann Zimmermann
- Novartis Pharma Ltd., Basel, Switzerland.,Polyphor Ltd, Hegenheimermattweg 125, 4123, Allschwil, Switzerland
| | - Ni Hong
- School of Medicine, Southern University of Science and Technology, Shenzhen, 518055, Guangdong, China
| | - Yi Lu
- School of Medicine, Southern University of Science and Technology, Shenzhen, 518055, Guangdong, China. .,Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen, 518055, Guangdong, China.
| | - Jian Zhang
- Key Laboratory of Longevity and Aging-Related Diseases, Guangxi Medical University, Ministry of Education, Nanning, 530021, Guangxi, China. .,School of Medicine, Southern University of Science and Technology, Shenzhen, 518055, Guangdong, China. .,Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen, 518055, Guangdong, China. .,Department of Urology, University of Pittsburgh, Pittsburgh, PA, 15240, USA.
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