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Chu X, Tian W, Ning J, Xiao G, Zhou Y, Wang Z, Zhai Z, Tanzhu G, Yang J, Zhou R. Cancer stem cells: advances in knowledge and implications for cancer therapy. Signal Transduct Target Ther 2024; 9:170. [PMID: 38965243 PMCID: PMC11224386 DOI: 10.1038/s41392-024-01851-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 03/27/2024] [Accepted: 04/28/2024] [Indexed: 07/06/2024] Open
Abstract
Cancer stem cells (CSCs), a small subset of cells in tumors that are characterized by self-renewal and continuous proliferation, lead to tumorigenesis, metastasis, and maintain tumor heterogeneity. Cancer continues to be a significant global disease burden. In the past, surgery, radiotherapy, and chemotherapy were the main cancer treatments. The technology of cancer treatments continues to develop and advance, and the emergence of targeted therapy, and immunotherapy provides more options for patients to a certain extent. However, the limitations of efficacy and treatment resistance are still inevitable. Our review begins with a brief introduction of the historical discoveries, original hypotheses, and pathways that regulate CSCs, such as WNT/β-Catenin, hedgehog, Notch, NF-κB, JAK/STAT, TGF-β, PI3K/AKT, PPAR pathway, and their crosstalk. We focus on the role of CSCs in various therapeutic outcomes and resistance, including how the treatments affect the content of CSCs and the alteration of related molecules, CSCs-mediated therapeutic resistance, and the clinical value of targeting CSCs in patients with refractory, progressed or advanced tumors. In summary, CSCs affect therapeutic efficacy, and the treatment method of targeting CSCs is still difficult to determine. Clarifying regulatory mechanisms and targeting biomarkers of CSCs is currently the mainstream idea.
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Affiliation(s)
- Xianjing Chu
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Wentao Tian
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Jiaoyang Ning
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Gang Xiao
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Yunqi Zhou
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Ziqi Wang
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Zhuofan Zhai
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Guilong Tanzhu
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, China.
| | - Jie Yang
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, China.
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, 410008, China.
| | - Rongrong Zhou
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, China.
- Xiangya Lung Cancer Center, Xiangya Hospital, Central South University, Changsha, 410008, China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan Province, 410008, China.
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Lefevre C, Thibaut MM, Loumaye A, Thissen JP, Neyrinck AM, Navez B, Delzenne NM, Feron O, Bindels LB. Tumoral acidosis promotes adipose tissue depletion by fostering adipocyte lipolysis. Mol Metab 2024; 83:101930. [PMID: 38570069 PMCID: PMC11027574 DOI: 10.1016/j.molmet.2024.101930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 03/20/2024] [Accepted: 03/28/2024] [Indexed: 04/05/2024] Open
Abstract
OBJECTIVE Tumour progression drives profound alterations in host metabolism, such as adipose tissue depletion, an early event of cancer cachexia. As fatty acid consumption by cancer cells increases upon acidosis of the tumour microenvironment, we reasoned that fatty acids derived from distant adipose lipolysis may sustain tumour fatty acid craving, leading to the adipose tissue loss observed in cancer cachexia. METHODS To evaluate the pro-lipolytic capacities of acid-exposed cancer cells, primary mouse adipocytes from subcutaneous and visceral adipose tissue were exposed to pH-matched conditioned medium from human and murine acid-exposed cancer cells (pH 6.5), compared to naive cancer cells (pH 7.4). To further address the role of tumoral acidosis on adipose tissue loss, a pH-low insertion peptide was injected into tumour-bearing mice, and tumoral acidosis was neutralised with a sodium bicarbonate buffer. Prolipolytic mediators were identified by transcriptomic approaches and validated on murine and human adipocytes. RESULTS Here, we reveal that acid-exposed cancer cells promote lipolysis from subcutaneous and visceral adipocytes and that dampening acidosis in vivo inhibits adipose tissue depletion. We further found a set of well-known prolipolytic factors enhanced upon acidosis adaptation and unravelled a role for β-glucuronidase (GUSB) as a promising new actor in adipocyte lipolysis. CONCLUSIONS Tumoral acidosis promotes the mobilization of fatty acids derived from adipocytes via the release of soluble factors by cancer cells. Our work paves the way for therapeutic approaches aimed at tackling cachexia by targeting the tumour acidic compartment.
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Affiliation(s)
- Camille Lefevre
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, UCLouvain, Université catholique de Louvain, Brussels, Belgium.
| | - Morgane M Thibaut
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, UCLouvain, Université catholique de Louvain, Brussels, Belgium
| | - Audrey Loumaye
- Department of Endocrinology and Nutrition, Cliniques Universitaires Saint-Luc, Brussels, Belgium; Department of Endocrinology, Diabetology and Nutrition, IREC, UCLouvain, Brussels, Belgium
| | - Jean-Paul Thissen
- Department of Endocrinology and Nutrition, Cliniques Universitaires Saint-Luc, Brussels, Belgium; Department of Endocrinology, Diabetology and Nutrition, IREC, UCLouvain, Brussels, Belgium
| | - Audrey M Neyrinck
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, UCLouvain, Université catholique de Louvain, Brussels, Belgium
| | - Benoit Navez
- Department of Abdominal Surgery and Transplantation, Cliniques universitaires Saint-Luc, Brussels, Belgium
| | - Nathalie M Delzenne
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, UCLouvain, Université catholique de Louvain, Brussels, Belgium
| | - Olivier Feron
- Pole of Pharmacology and Therapeutics (FATH), Institut de Recherche Expérimentale et Clinique (IREC), UCLouvain, Brussels, Belgium; Welbio Department, WEL Research Institute, Wavre, Belgium
| | - Laure B Bindels
- Metabolism and Nutrition Research Group, Louvain Drug Research Institute, UCLouvain, Université catholique de Louvain, Brussels, Belgium; Welbio Department, WEL Research Institute, Wavre, Belgium.
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3
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Urban L, Novák Š, Čoma M, Dvořánková B, Lacina L, Šáchová J, Hradilová M, Svatoňová P, Kolář M, Strnad H, Březinová J, Smetana K, Gál P, Szabo P. Unravelling heterogeneous effects of cancer‑associated fibroblasts on poor prognosis markers in breast cancer EM‑G3 cell line: In vitro‑targeted treatment (anti‑IL-6, anti‑VEGF-A, anti‑MFGE8) based on transcriptomic profiling. Oncol Rep 2024; 51:3. [PMID: 37975220 PMCID: PMC10688412 DOI: 10.3892/or.2023.8662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 09/29/2023] [Indexed: 11/19/2023] Open
Abstract
Breast cancer is the most frequently diagnosed cancer in women worldwide. Although dramatically increased survival rates of early diagnosed cases have been observed, late diagnosed patients and metastatic cancer may still be considered fatal. The present study's main focus was on cancer‑associated fibroblasts (CAFs) which is an active component of the tumor microenvironment (TME) regulating the breast cancer ecosystem. Transcriptomic profiling and analysis of CAFs isolated from breast cancer skin metastasis, cutaneous basal cell carcinoma, and squamous cell carcinoma unravelled major gene candidates such as IL6, VEGFA and MFGE8 that induced co‑expression of keratins‑8/‑14 in the EM‑G3 cell line derived from infiltrating ductal breast carcinoma. Western blot analysis of selected keratins (keratin‑8, ‑14, ‑18, ‑19) and epithelial‑mesenchymal transition‑associated markers (SLUG, SNAIL, ZEB1, E‑/N‑cadherin, vimentin) revealed specific responses pointing to certain heterogeneity of the studied CAF populations. Experimental in vitro treatment using neutralizing antibodies against IL-6, VEGF‑A and MFGE8 attenuated the modulatory effect of CAFs on EM‑G3 cells. The present study provided novel data in characterizing and understanding the interactions between CAFs and EM‑G3 cells in vitro. CAFs of different origins support the pro‑inflammatory microenvironment and influence the biology of breast cancer cells. This observation potentially holds significant interest for the development of novel, clinically relevant approaches targeting the TME in breast cancer. Furthermore, its implications extend beyond breast cancer and have the potential to impact a wide range of other cancer types.
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Affiliation(s)
- Lukáš Urban
- Department of Pharmacology, Faculty of Medicine, Pavol Jozef Šafárik University in Košice, 040 11 Košice, Slovak Republic
- Department for Biomedical Research, East-Slovak Institute of Cardiovascular Diseases, Inc., 040 11 Košice, Slovak Republic
| | - Štepán Novák
- Institute of Anatomy, First Faculty of Medicine, Charles University, 128 00 Prague, Czech Republic
- Department of Otorhinolaryngology, Head and Neck Surgery, First Faculty of Medicine, Charles University and University Hospital Motol, 150 06 Prague, Czech Republic
| | - Matúš Čoma
- Department of Pharmacology, Faculty of Medicine, Pavol Jozef Šafárik University in Košice, 040 11 Košice, Slovak Republic
- Department for Biomedical Research, East-Slovak Institute of Cardiovascular Diseases, Inc., 040 11 Košice, Slovak Republic
| | - Barbora Dvořánková
- Institute of Anatomy, First Faculty of Medicine, Charles University, 128 00 Prague, Czech Republic
- BIOCEV, Charles University, First Faculty of Medicine and Faculty of Sciences, 252 50 Vestec, Czech Republic
| | - Lukáš Lacina
- Institute of Anatomy, First Faculty of Medicine, Charles University, 128 00 Prague, Czech Republic
- BIOCEV, Charles University, First Faculty of Medicine and Faculty of Sciences, 252 50 Vestec, Czech Republic
- Department of Dermatovenereology, General University Hospital in Prague and First Faculty of Medicine, Charles University, 128 00 Prague, Czech Republic
| | - Jana Šáchová
- Laboratory of Genomics and Bioinformatics, Institute of Molecular Genetics, Czech Academy of Sciences, 142 20 Prague, Czech Republic
| | - Miluše Hradilová
- Laboratory of Genomics and Bioinformatics, Institute of Molecular Genetics, Czech Academy of Sciences, 142 20 Prague, Czech Republic
| | - Petra Svatoňová
- Laboratory of Genomics and Bioinformatics, Institute of Molecular Genetics, Czech Academy of Sciences, 142 20 Prague, Czech Republic
| | - Michal Kolář
- Laboratory of Genomics and Bioinformatics, Institute of Molecular Genetics, Czech Academy of Sciences, 142 20 Prague, Czech Republic
| | - Hynek Strnad
- Laboratory of Genomics and Bioinformatics, Institute of Molecular Genetics, Czech Academy of Sciences, 142 20 Prague, Czech Republic
| | - Jana Březinová
- Cytogenetic Laboratory, Institute of Hematology and Blood Transfusion, 128 00 Prague, Czech Republic
| | - Karel Smetana
- Institute of Anatomy, First Faculty of Medicine, Charles University, 128 00 Prague, Czech Republic
- BIOCEV, Charles University, First Faculty of Medicine and Faculty of Sciences, 252 50 Vestec, Czech Republic
| | - Peter Gál
- Department of Pharmacology, Faculty of Medicine, Pavol Jozef Šafárik University in Košice, 040 11 Košice, Slovak Republic
- Department for Biomedical Research, East-Slovak Institute of Cardiovascular Diseases, Inc., 040 11 Košice, Slovak Republic
- Department of Pharmacognosy, Faculty of Pharmacy, Comenius University in Bratislava, 832 32 Bratislava, Slovak Republic
- Prague Burn Center, Third Faculty of Medicine, Charles University, 100 34 Prague, Czech Republic
- Insitute of Neurobiology, Biomedical Research Center of the Slovak Academy of Sciences, 040 01 Košice, Slovak Republic
| | - Pavol Szabo
- Institute of Anatomy, First Faculty of Medicine, Charles University, 128 00 Prague, Czech Republic
- BIOCEV, Charles University, First Faculty of Medicine and Faculty of Sciences, 252 50 Vestec, Czech Republic
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Kejík Z, Koubková N, Krčová L, Sýkora D, Abramenko N, Veselá K, Kaplánek R, Hajduch J, Houdová Megová M, Bušek P, Šedo A, Lacina L, Smetana K, Martásek P, Jakubek M. Combination of quinoxaline with pentamethinium system: Mitochondrial staining and targeting. Bioorg Chem 2023; 141:106816. [PMID: 37716274 DOI: 10.1016/j.bioorg.2023.106816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 08/15/2023] [Accepted: 08/26/2023] [Indexed: 09/18/2023]
Abstract
Pentamethinium indolium salts are promising fluorescence probes and anticancer agents with high mitochondrial selectivity. We synthesized two indolium pentamethinium salts: a cyclic form with quinoxaline directly incorporated in the pentamethinium chain (cPMS) and an open form with quinoxaline substitution in the γ-position (oPMS). To better understand their properties, we studied their interaction with mitochondrial phospholipids (cardiolipin and phosphatidylcholine) by spectroscopic methods (UV-Vis, fluorescence, and NMR spectroscopy). Both compounds displayed significant affinity for cardiolipin and phosphatidylcholine, which was associated with a strong change in their UV-Vis spectra. Nevertheless, we surprisingly observed that fluorescence properties of cPMS changed in complex with both cardiolipin and phosphatidylcholine, whereas those of oPMS only changed in complex with cardiolipin. Both salts, especially cPMS, display high usability in mitochondrial imaging and are cytotoxic for cancer cells. The above clearly indicates that conjugates of pentamethinium and quinoxaline group, especially cPMS, represent promising structural motifs for designing mitochondrial-specific agents.
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Affiliation(s)
- Zdeněk Kejík
- BIOCEV, Biotechnology and Biomedicine Center of the Academy of Sciences and Charles University in Vestec, Prumyslová 595, 252 50 Vestec, Czech Republic; Department of Paediatrics and Inherited Metabolic Disorders, First Faculty of Medicine, Charles University and General University Hospital in Prague, Ke Karlovu 455/2, 128 08 Prague, Czech Republic; Department of Analytical Chemistry, Faculty of Chemical Engineering, University of Chemistry and Technology, Technická 6, 166 28 Prague, Czech Republic
| | - Nela Koubková
- BIOCEV, Biotechnology and Biomedicine Center of the Academy of Sciences and Charles University in Vestec, Prumyslová 595, 252 50 Vestec, Czech Republic; Department of Analytical Chemistry, Faculty of Chemical Engineering, University of Chemistry and Technology, Technická 6, 166 28 Prague, Czech Republic
| | - Lucie Krčová
- BIOCEV, Biotechnology and Biomedicine Center of the Academy of Sciences and Charles University in Vestec, Prumyslová 595, 252 50 Vestec, Czech Republic; Department of Paediatrics and Inherited Metabolic Disorders, First Faculty of Medicine, Charles University and General University Hospital in Prague, Ke Karlovu 455/2, 128 08 Prague, Czech Republic; Department of Analytical Chemistry, Faculty of Chemical Engineering, University of Chemistry and Technology, Technická 6, 166 28 Prague, Czech Republic
| | - David Sýkora
- Department of Analytical Chemistry, Faculty of Chemical Engineering, University of Chemistry and Technology, Technická 6, 166 28 Prague, Czech Republic
| | - Nikita Abramenko
- BIOCEV, Biotechnology and Biomedicine Center of the Academy of Sciences and Charles University in Vestec, Prumyslová 595, 252 50 Vestec, Czech Republic; Department of Paediatrics and Inherited Metabolic Disorders, First Faculty of Medicine, Charles University and General University Hospital in Prague, Ke Karlovu 455/2, 128 08 Prague, Czech Republic
| | - Kateřina Veselá
- BIOCEV, Biotechnology and Biomedicine Center of the Academy of Sciences and Charles University in Vestec, Prumyslová 595, 252 50 Vestec, Czech Republic; Department of Paediatrics and Inherited Metabolic Disorders, First Faculty of Medicine, Charles University and General University Hospital in Prague, Ke Karlovu 455/2, 128 08 Prague, Czech Republic
| | - Robert Kaplánek
- BIOCEV, Biotechnology and Biomedicine Center of the Academy of Sciences and Charles University in Vestec, Prumyslová 595, 252 50 Vestec, Czech Republic; Department of Chemistry of Natural Compounds, Faculty of Food and Biochemical Technology, University of Chemistry and Technology, Technická 6, 166 28 Prague, Czech Republic
| | - Jan Hajduch
- BIOCEV, Biotechnology and Biomedicine Center of the Academy of Sciences and Charles University in Vestec, Prumyslová 595, 252 50 Vestec, Czech Republic; Department of Chemistry of Natural Compounds, Faculty of Food and Biochemical Technology, University of Chemistry and Technology, Technická 6, 166 28 Prague, Czech Republic
| | - Magdalena Houdová Megová
- Institute of Biochemistry and Experimental Oncology, First Faculty of Medicine, Charles University, Prague 2, CZ-120 00 Prague, Czech Republic
| | - Petr Bušek
- Institute of Biochemistry and Experimental Oncology, First Faculty of Medicine, Charles University, Prague 2, CZ-120 00 Prague, Czech Republic
| | - Aleksi Šedo
- Institute of Biochemistry and Experimental Oncology, First Faculty of Medicine, Charles University, Prague 2, CZ-120 00 Prague, Czech Republic
| | - Lukáš Lacina
- BIOCEV, Biotechnology and Biomedicine Center of the Academy of Sciences and Charles University in Vestec, Prumyslová 595, 252 50 Vestec, Czech Republic; Department of Dermatovenerology, First Faculty of Medicine, Charles University and General University Hospital, CZ-128 08 Prague, Czech Republic; Institute of Anatomy, First Faculty of Medicine, Charles University, Prague 2, CZ-120 00 Prague, Czech Republic
| | - Karel Smetana
- BIOCEV, Biotechnology and Biomedicine Center of the Academy of Sciences and Charles University in Vestec, Prumyslová 595, 252 50 Vestec, Czech Republic; Institute of Anatomy, First Faculty of Medicine, Charles University, Prague 2, CZ-120 00 Prague, Czech Republic
| | - Pavel Martásek
- Department of Paediatrics and Inherited Metabolic Disorders, First Faculty of Medicine, Charles University and General University Hospital in Prague, Ke Karlovu 455/2, 128 08 Prague, Czech Republic
| | - Milan Jakubek
- BIOCEV, Biotechnology and Biomedicine Center of the Academy of Sciences and Charles University in Vestec, Prumyslová 595, 252 50 Vestec, Czech Republic; Department of Paediatrics and Inherited Metabolic Disorders, First Faculty of Medicine, Charles University and General University Hospital in Prague, Ke Karlovu 455/2, 128 08 Prague, Czech Republic; Department of Analytical Chemistry, Faculty of Chemical Engineering, University of Chemistry and Technology, Technická 6, 166 28 Prague, Czech Republic.
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Mandys V, Popov A, Gürlich R, Havránek J, Pfeiferová L, Kolář M, Vránová J, Smetana K, Lacina L, Szabo P. Expression of Selected miRNAs in Normal and Cancer-Associated Fibroblasts and in BxPc3 and MIA PaCa-2 Cell Lines of Pancreatic Ductal Adenocarcinoma. Int J Mol Sci 2023; 24:ijms24043617. [PMID: 36835029 PMCID: PMC9961675 DOI: 10.3390/ijms24043617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 02/07/2023] [Accepted: 02/07/2023] [Indexed: 02/15/2023] Open
Abstract
Therapy for pancreatic ductal adenocarcinoma remains challenging, and the chances of a complete cure are very limited. As in other types of cancer, the expression and role of miRNAs in controlling the biological properties of this type of tumor have been extensively studied. A better insight into miRNA biology seems critical to refining diagnostics and improving their therapeutic potential. In this study, we focused on the expression of miR-21, -96, -196a, -210, and -217 in normal fibroblasts, cancer-associated fibroblasts prepared from a ductal adenocarcinoma of the pancreas, and pancreatic carcinoma cell lines. We compared these data with miRNAs in homogenates of paraffin-embedded sections from normal pancreatic tissues. In cancer-associated fibroblasts and cancer cell lines, miRNAs differed significantly from the normal tissue. In detail, miR-21 and -210 were significantly upregulated, while miR-217 was downregulated. Similar transcription profiles were earlier reported in cancer-associated fibroblasts exposed to hypoxia. However, the cells in our study were cultured under normoxic conditions. We also noted a relation to IL-6 production. In conclusion, cultured cancer-associated fibroblasts and carcinoma cells reflect miR-21 and -210 expression similarly to the cancer tissue samples harvested from the patients.
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Affiliation(s)
- Václav Mandys
- Department of Pathology, Third Faculty of Medicine, Charles University and University Hospital Královské Vinohrady, 100 00 Prague, Czech Republic
| | - Alexey Popov
- Department of Pathology, Third Faculty of Medicine, Charles University and University Hospital Královské Vinohrady, 100 00 Prague, Czech Republic
| | - Robert Gürlich
- Department of Surgery, Third Faculty of Medicine, Charles University and University Hospital Královské Vinohrady, 100 00 Prague, Czech Republic
| | - Jan Havránek
- Institute of Molecular Genetics, Czech Academy of Sciences, 100 00 Prague, Czech Republic
- Laboratory of Informatics and Chemistry, University of Chemistry and Technology, 166 28 Prague, Czech Republic
| | - Lucie Pfeiferová
- Institute of Molecular Genetics, Czech Academy of Sciences, 100 00 Prague, Czech Republic
- Laboratory of Informatics and Chemistry, University of Chemistry and Technology, 166 28 Prague, Czech Republic
| | - Michal Kolář
- Institute of Molecular Genetics, Czech Academy of Sciences, 100 00 Prague, Czech Republic
- Laboratory of Informatics and Chemistry, University of Chemistry and Technology, 166 28 Prague, Czech Republic
| | - Jana Vránová
- Department of Medical Biophysics and Medical Informatics, Third Faculty of Medicine, Charles University, 100 00 Prague, Czech Republic
| | - Karel Smetana
- First Faculty of Medicine, BIOCEV, Charles University, 252 50 Vestec, Czech Republic
- First Faculty of Medicine, Institute of Anatomy, Charles University, 128 00 Prague, Czech Republic
| | - Lukáš Lacina
- First Faculty of Medicine, BIOCEV, Charles University, 252 50 Vestec, Czech Republic
- First Faculty of Medicine, Institute of Anatomy, Charles University, 128 00 Prague, Czech Republic
- Department Dermatovenereology, First Faculty of Medicine, Charles University and General University Hospital, 128 08 Prague, Czech Republic
| | - Pavol Szabo
- First Faculty of Medicine, BIOCEV, Charles University, 252 50 Vestec, Czech Republic
- First Faculty of Medicine, Institute of Anatomy, Charles University, 128 00 Prague, Czech Republic
- Correspondence:
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The Role of IL-6 in Cancer Cell Invasiveness and Metastasis-Overview and Therapeutic Opportunities. Cells 2022; 11:cells11223698. [PMID: 36429126 PMCID: PMC9688109 DOI: 10.3390/cells11223698] [Citation(s) in RCA: 44] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 11/14/2022] [Accepted: 11/18/2022] [Indexed: 11/23/2022] Open
Abstract
Interleukin 6 (IL-6) belongs to a broad class of cytokines involved in the regulation of various homeostatic and pathological processes. These activities range from regulating embryonic development, wound healing and ageing, inflammation, and immunity, including COVID-19. In this review, we summarise the role of IL-6 signalling pathways in cancer biology, with particular emphasis on cancer cell invasiveness and metastasis formation. Targeting principal components of IL-6 signalling (e.g., IL-6Rs, gp130, STAT3, NF-κB) is an intensively studied approach in preclinical cancer research. It is of significant translational potential; numerous studies strongly imply the remarkable potential of IL-6 signalling inhibitors, especially in metastasis suppression.
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7
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Vokurka M, Lacina L, Brábek J, Kolář M, Ng YZ, Smetana K. Cancer-Associated Fibroblasts Influence the Biological Properties of Malignant Tumours via Paracrine Secretion and Exosome Production. Int J Mol Sci 2022; 23:964. [PMID: 35055153 PMCID: PMC8778626 DOI: 10.3390/ijms23020964] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 01/10/2022] [Accepted: 01/13/2022] [Indexed: 12/15/2022] Open
Abstract
Cancer-associated fibroblasts (CAFs) are an essential component of the tumour microenvironment. They represent a heterogeneous group of cells that are under the control of cancer cells and can reversely influence the cancer cell population. They affect the cancer cell differentiation status, and the migration and formation of metastases. This is achieved through the production of the extracellular matrix and numerous bioactive factors. IL-6 seems to play the central role in the communication of noncancerous and cancer cells in the tumour. This review outlines the role of exosomes in cancer cells and cancer-associated fibroblasts. Available data on the exosomal cargo, which can significantly intensify interactions in the tumour, are summarised. The role of exosomes as mediators of the dialogue between cancer cells and cancer-associated fibroblasts is discussed together with their therapeutic relevance. The functional unity of the paracrine- and exosome-mediated communication of cancer cells with the tumour microenvironment represented by CAFs is worthy of attention.
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Affiliation(s)
- Martin Vokurka
- Institute of Pathological Physiology, First Faculty of Medicine, Charles University, 120 00 Prague 2, Czech Republic;
| | - Lukáš Lacina
- Institute of Anatomy, First Faculty of Medicine, Charles University, 120 00 Prague 2, Czech Republic
- BIOCEV, First Faculty of Medicine, Charles University, 252 50 Vestec, Czech Republic
- Department of Dermatovenereology, First Faculty of Medicine, Charles University and General University Hospital, 120 00 Prague, Czech Republic
| | - Jan Brábek
- Department of Cell Biology, Faculty of Science, Charles University, 120 00 Prague 2, Czech Republic;
- BIOCEV, Faculty of Science, Charles University, 252 50 Vestec, Czech Republic
| | - Michal Kolář
- Institute of Molecular Genetics, Czech Academy of Sciences, 142 20 Prague 4, Czech Republic;
| | - Yi Zhen Ng
- A*STAR Skin Research Labs (A*SRL)—Biopolis, Skin Research Institute of Singapore, 8A Biomedical Grove #06-06 Immunos Singapore, Singapore 138665, Singapore;
| | - Karel Smetana
- Institute of Anatomy, First Faculty of Medicine, Charles University, 120 00 Prague 2, Czech Republic
- BIOCEV, First Faculty of Medicine, Charles University, 252 50 Vestec, Czech Republic
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