51
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Siqueira JM, Heguedusch D, Rodini CO, Nunes FD, Rodrigues MFSD. Mechanisms involved in cancer stem cell resistance in head and neck squamous cell carcinoma. CANCER DRUG RESISTANCE (ALHAMBRA, CALIF.) 2023; 6:116-137. [PMID: 37065869 PMCID: PMC10099599 DOI: 10.20517/cdr.2022.107] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 01/04/2023] [Accepted: 02/08/2023] [Indexed: 04/18/2023]
Abstract
Despite scientific advances in the Oncology field, cancer remains a leading cause of death worldwide. Molecular and cellular heterogeneity of head and neck squamous cell carcinoma (HNSCC) is a significant contributor to the unpredictability of the clinical response and failure in cancer treatment. Cancer stem cells (CSCs) are recognized as a subpopulation of tumor cells that can drive and maintain tumorigenesis and metastasis, leading to poor prognosis in different types of cancer. CSCs exhibit a high level of plasticity, quickly adapting to the tumor microenvironment changes, and are intrinsically resistant to current chemo and radiotherapies. The mechanisms of CSC-mediated therapy resistance are not fully understood. However, they include different strategies used by CSCs to overcome challenges imposed by treatment, such as activation of DNA repair system, anti-apoptotic mechanisms, acquisition of quiescent state and Epithelial-mesenchymal transition, increased drug efflux capacity, hypoxic environment, protection by the CSC niche, overexpression of stemness related genes, and immune surveillance. Complete elimination of CSCs seems to be the main target for achieving tumor control and improving overall survival for cancer patients. This review will focus on the multi-factorial mechanisms by which CSCs are resistant to radiotherapy and chemotherapy in HNSCC, supporting the use of possible strategies to overcome therapy failure.
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Affiliation(s)
- Juliana Mota Siqueira
- Department of Stomatology, Discipline of Oral and Maxillofacial Pathology, School of Dentistry, University of São Paulo, São Paulo 05508-000, Brazil
| | - Daniele Heguedusch
- Department of Stomatology, Discipline of Oral and Maxillofacial Pathology, School of Dentistry, University of São Paulo, São Paulo 05508-000, Brazil
| | - Camila Oliveira Rodini
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, São Paulo 17012-230, Brazil
| | - Fabio Daumas Nunes
- Department of Stomatology, Discipline of Oral and Maxillofacial Pathology, School of Dentistry, University of São Paulo, São Paulo 05508-000, Brazil
| | - Maria Fernanda Setúbal Destro Rodrigues
- Biophotonics Applied to Health Sciences, Nove de Julho University, UNINOVE, São Paulo 01504-001, Brazil
- Correspondence to: PhD. Maria Fernanda Setúbal Destro Rodrigues. Biophotonics Applied to Health Sciences, Nove de Julho University, UNINOVE, Rua Vergueiro, 235/249 - Liberdade, São Paulo 01504-001, Brazil. E-mail:
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52
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Pawluchin A, Galic M. Moving through a changing world: Single cell migration in 2D vs. 3D. Front Cell Dev Biol 2022; 10:1080995. [PMID: 36605722 PMCID: PMC9810339 DOI: 10.3389/fcell.2022.1080995] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 12/05/2022] [Indexed: 12/24/2022] Open
Abstract
Migration of single adherent cells is frequently observed in the developing and adult organism and has been the subject of many studies. Yet, while elegant work has elucidated molecular and mechanical cues affecting motion dynamics on a flat surface, it remains less clear how cells migrate in a 3D setting. In this review, we explore the changing parameters encountered by cells navigating through a 3D microenvironment compared to cells crawling on top of a 2D surface, and how these differences alter subcellular structures required for propulsion. We further discuss how such changes at the micro-scale impact motion pattern at the macro-scale.
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Affiliation(s)
- Anna Pawluchin
- Institute of Medical Physics and Biophysics, Medical Faculty, University of Münster, Münster, Germany,Cells in Motion Interfaculty Centre, University of Münster, Münster, Germany,CIM-IMRPS Graduate Program, Münster, Germany
| | - Milos Galic
- Institute of Medical Physics and Biophysics, Medical Faculty, University of Münster, Münster, Germany,Cells in Motion Interfaculty Centre, University of Münster, Münster, Germany,*Correspondence: Milos Galic,
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53
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Čada Š, Vondálová Blanářová O, Gömoryová K, Mikulová A, Bačovská P, Zezula N, Kumari Jadaun A, Janovská P, Plešingerová H, Bryja V. Role of casein kinase 1 in the amoeboid migration of B-cell leukemic and lymphoma cells: A quantitative live imaging in the confined environment. Front Cell Dev Biol 2022; 10:911966. [PMID: 36561363 PMCID: PMC9763939 DOI: 10.3389/fcell.2022.911966] [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: 04/03/2022] [Accepted: 11/03/2022] [Indexed: 12/12/2022] Open
Abstract
The migratory properties of leukemic cells are commonly associated with their pathological potential and can significantly affect the disease progression. While the research in immunopathology mostly employed powerful indirect methods such as flow cytometry, these cells were rarely observed directly using live imaging microscopy. This is especially true for the malignant cells of the B-cell lineage, such as those originating from chronic lymphocytic leukemia (CLL) and mantle cell lymphoma (MCL). In this study, we employed open-source image analysis tools to automatically and quantitatively describe the amoeboid migration of four B-cell leukemic and lymphoma cell lines and primary CLL cells. To avoid the effect of the shear stress of the medium on these usually non-adherent cells, we have confined the cells using a modified under-agarose assay. Surprisingly, the behavior of tested cell lines differed substantially in terms of basal motility or response to chemokines and VCAM1 stimulation. Since casein kinase 1 (CK1) was reported as a regulator of B-cell migration and a promoter of CLL, we looked at the effects of CK1 inhibition in more detail. Migration analysis revealed that CK1 inhibition induced rapid negative effects on the migratory polarity of these cells, which was quantitatively and morphologically distinct from the effect of ROCK inhibition. We have set up an assay that visualizes endocytic vesicles in the uropod and facilitates morphological analysis. This assay hints that the effect of CK1 inhibition might be connected to defects in polarized intracellular transport. In summary, 1) we introduce and validate a pipeline for the imaging and quantitative assessment of the amoeboid migration of CLL/MCL cells, 2) we provide evidence that the assay is sensitive enough to mechanistically study migration defects identified by the transwell assay, and 3) we describe the polarity defects induced by inhibition or deletion of CK1ε.
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Affiliation(s)
- Štěpán Čada
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czechia
| | | | - Kristína Gömoryová
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czechia
| | - Antónia Mikulová
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czechia
| | - Petra Bačovská
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czechia
| | - Nikodém Zezula
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czechia
| | - Alka Kumari Jadaun
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czechia
| | - Pavlína Janovská
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czechia
| | - Hana Plešingerová
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czechia,Department of Internal Medicine—Hematology and Oncology, University Hospital Brno, Brno, Czechia
| | - Vítězslav Bryja
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czechia,Department of Cytokinetics, Institute of Biophysics, Academy of Sciences of the Czech Republic, Brno, Czechia,*Correspondence: Vítězslav Bryja,
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54
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Galbraith M, Levine H, Onuchic JN, Jia D. Decoding the coupled decision-making of the epithelial-mesenchymal transition and metabolic reprogramming in cancer. iScience 2022; 26:105719. [PMID: 36582834 PMCID: PMC9792913 DOI: 10.1016/j.isci.2022.105719] [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: 09/09/2022] [Revised: 11/03/2022] [Accepted: 11/30/2022] [Indexed: 12/11/2022] Open
Abstract
Cancer metastasis relies on an orchestration of traits driven by different interacting functional modules, including metabolism and epithelial-mesenchymal transition (EMT). During metastasis, cancer cells can acquire a hybrid metabolic phenotype (W/O) by increasing oxidative phosphorylation without compromising glycolysis and they can acquire a hybrid epithelial/mesenchymal (E/M) phenotype by engaging EMT. Both the W/O and E/M states are associated with high metastatic potentials, and many regulatory links coupling metabolism and EMT have been identified. Here, we investigate the coupled decision-making networks of metabolism and EMT. Their crosstalk can exhibit synergistic or antagonistic effects on the acquisition and stability of different coupled metabolism-EMT states. Strikingly, the aggressive E/M-W/O state can be enabled and stabilized by the crosstalk irrespective of these hybrid states' availability in individual metabolism or EMT modules. Our work emphasizes the mutual activation between metabolism and EMT, providing an important step toward understanding the multifaceted nature of cancer metastasis.
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Affiliation(s)
- Madeline Galbraith
- Center for Theoretical Biological Physics, Rice University, Houston, TX 77005, USA,Department of Physics and Astronomy, Rice University, Houston, TX77005, USA
| | - Herbert Levine
- Center for Theoretical Biological Physics, Department of Physics, and Department of Bioengineering, Northeastern University, Boston, MA02115, USA,Corresponding author
| | - José N. Onuchic
- Center for Theoretical Biological Physics, Rice University, Houston, TX 77005, USA,Department of Physics and Astronomy, Rice University, Houston, TX77005, USA,Department of Chemistry, Rice University, Houston, TX77005, USA,Department of Biosciences, Rice University, Houston, TX77005, USA,Corresponding author
| | - Dongya Jia
- Center for Theoretical Biological Physics, Rice University, Houston, TX 77005, USA,Corresponding author
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55
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NECTIN1 is a melanoma metastasis suppressor gene. Nat Genet 2022; 54:1776-1777. [PMID: 36401088 DOI: 10.1038/s41588-022-01229-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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56
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Mittler F, Obeïd P, Haguet V, Allier C, Gerbaud S, Rulina AV, Gidrol X, Balakirev MY. Mechanical stress shapes the cancer cell response to neddylation inhibition. J Exp Clin Cancer Res 2022; 41:115. [PMID: 35354476 PMCID: PMC8966269 DOI: 10.1186/s13046-022-02328-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 03/13/2022] [Indexed: 12/28/2022] Open
Abstract
Background The inhibition of neddylation by the preclinical drug MLN4924 represents a new strategy to combat cancer. However, despite being effective against hematologic malignancies, its success in solid tumors, where cell–cell and cell-ECM interactions play essential roles, remains elusive. Methods Here, we studied the effects of MLN4924 on cell growth, migration and invasion in cultured prostate cancer cells and in disease-relevant prostate tumoroids. Using focused protein profiling, drug and RNAi screening, we analyzed cellular pathways activated by neddylation inhibition. Results We show that mechanical stress induced by MLN4924 in prostate cancer cells significantly affects the therapeutic outcome. The latter depends on the cell type and involves distinct Rho isoforms. In LNCaP and VCaP cells, the stimulation of RhoA and RhoB by MLN4924 markedly upregulates the level of tight junction proteins at cell–cell contacts, which augments the mechanical strain induced by Rho signaling. This “tight junction stress response” (TJSR) causes the collapse of cell monolayers and a characteristic rupture of cancer spheroids. Notably, TJSR is a major cause of drug-induced apoptosis in these cells. On the other hand, in PC3 cells that underwent partial epithelial-to-mesenchymal transition (EMT), the stimulation of RhoC induces an adverse effect by promoting amoeboid cell scattering and invasion. We identified complementary targets and drugs that allow for the induction of TJSR without stimulating RhoC. Conclusions Our finding that MLN4924 acts as a mechanotherapeutic opens new ways to improve the efficacy of neddylation inhibition as an anticancer approach. Graphical Abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s13046-022-02328-y.
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Substrate Type and Concentration Differently Affect Colon Cancer Cells Ultrastructural Morphology, EMT Markers, and Matrix Degrading Enzymes. Biomolecules 2022; 12:biom12121786. [PMID: 36551219 PMCID: PMC9775446 DOI: 10.3390/biom12121786] [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: 10/17/2022] [Revised: 11/21/2022] [Accepted: 11/25/2022] [Indexed: 12/03/2022] Open
Abstract
Aim of the study was to understand the behavior of colon cancer LoVo-R cells (doxorubicin-resistant) vs. LoVo-S (doxorubicin sensitive) in the initial steps of extracellular matrix (ECM) invasion. We investigated how the matrix substrates Matrigel and type I collagen-mimicking the basement membrane (BM) and the normal or desmoplastic lamina propria, respectively-could affect the expression of epithelial-to-mesenchymal transition (EMT) markers, matrix-degrading enzymes, and phenotypes. Gene expression with RT-qPCR, E-cadherin protein expression using Western blot, and phenotypes using scanning electron microscopy (SEM) were analyzed. The type and different concentrations of matrix substrates differently affected colon cancer cells. In LoVo-S cells, the higher concentrated collagen, mimicking the desmoplastic lamina propria, strongly induced EMT, as also confirmed by the expression of Snail, metalloproteases (MMPs)-2, -9, -14 and heparanase (HPSE), as well as mesenchymal phenotypes. Stimulation in E-cadherin expression in LoVo-S groups suggests that these cells develop a hybrid EMT phenotype. Differently, LoVo-R cells did not increase their aggressiveness: no changes in EMT markers, matrix effectors, and phenotypes were evident. The low influence of ECM components in LoVo-R cells might be related to their intrinsic aggressiveness related to chemoresistance. These results improve understanding of the critical role of tumor microenvironment in colon cancer cell invasion, driving the development of new therapeutic approaches.
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58
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Chemokine/GPCR Signaling-Mediated EMT in Cancer Metastasis. JOURNAL OF ONCOLOGY 2022; 2022:2208176. [PMID: 36268282 PMCID: PMC9578795 DOI: 10.1155/2022/2208176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 08/08/2022] [Accepted: 08/23/2022] [Indexed: 11/17/2022]
Abstract
Metastasis, the chief cause of cancer-related deaths, is associated with epithelial-mesenchymal transition (EMT). In the tumor microenvironment, EMT can be triggered by chemokine/G-protein-coupled receptor (GPCR) signaling, which is closely associated with tumor progression. However, the functional links between chemokine/GPCR signaling-mediated EMT and metastasis remain unclear. Herein, we summarized the mechanisms of chemokine/GPCR signaling-mediated EMT with an insight into facilitating metastasis and clarified the role of chemokine in the local invasion, intravasation, circulation, extravasation, and colonization, respectively. Moreover, several potential pathways that might contribute to EMT based on the latest studies on GPCR signaling were proposed, including signaling mediated by G protein, β-arrestin, intracellular, dimerization activation, and transactivation. However, there is still limited evidence to support the EMT programme functional contribution to metastasis, which keeps a key question still open whether we should target EMT programme of cancer cells. Answers to that question might help develop an anticancer strategy or guide new directions for anticancer metastasis therapy.
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59
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Alexandrova A, Lomakina M. How does plasticity of migration help tumor cells to avoid treatment: Cytoskeletal regulators and potential markers. Front Pharmacol 2022; 13:962652. [PMID: 36278174 PMCID: PMC9582651 DOI: 10.3389/fphar.2022.962652] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Accepted: 09/16/2022] [Indexed: 11/13/2022] Open
Abstract
Tumor shrinkage as a result of antitumor therapy is not the only and sufficient indicator of treatment success. Cancer progression leads to dissemination of tumor cells and formation of metastases - secondary tumor lesions in distant organs. Metastasis is associated with acquisition of mobile phenotype by tumor cells as a result of epithelial-to-mesenchymal transition and further cell migration based on cytoskeleton reorganization. The main mechanisms of individual cell migration are either mesenchymal, which depends on the activity of small GTPase Rac, actin polymerization, formation of adhesions with extracellular matrix and activity of proteolytic enzymes or amoeboid, which is based on the increase in intracellular pressure caused by the enhancement of actin cortex contractility regulated by Rho-ROCK-MLCKII pathway, and does not depend on the formation of adhesive structures with the matrix, nor on the activity of proteases. The ability of tumor cells to switch from one motility mode to another depending on cell context and environmental conditions, termed migratory plasticity, contributes to the efficiency of dissemination and often allows the cells to avoid the applied treatment. The search for new therapeutic targets among cytoskeletal proteins offers an opportunity to directly influence cell migration. For successful treatment it is important to assess the likelihood of migratory plasticity in a particular tumor. Therefore, the search for specific markers that can indicate a high probability of migratory plasticity is very important.
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60
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Dai W, Li Y, Sun W, Ji M, Bao R, Chen J, Xu S, Dai Y, Chen Y, Liu W, Ge C, Sun W, Mo W, Guo C, Xu X. Silencing of OGDHL promotes liver cancer metastasis by enhancing hypoxia inducible factor 1 α protein stability. Cancer Sci 2022; 114:1309-1323. [PMID: 36000493 PMCID: PMC10067421 DOI: 10.1111/cas.15540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 07/07/2022] [Accepted: 07/14/2022] [Indexed: 02/01/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is one of the most common malignant diseases associated with a high rate of mortality. Frequent intrahepatic spread, extrahepatic metastasis, and tumor invasiveness are the main factors responsible for the poor prognosis of patients with HCC. Hypoxia-inducible factor 1 (HIF-1) has been verified to play a critical role in the metastasis of HCC. HIFs are also known to be modulated by small molecular metabolites, thus highlighting the need to understand the complexity of their cellular regulation in tumor metastasis. In this study, lower expression levels of oxoglutarate dehydrogenase-like (OGDHL) were strongly correlated with aggressive clinicopathologic characteristics, such as metastasis and invasion in three independent cohorts featuring a total of 281 postoperative HCC patients. The aberrant expression of OGDHL reduced cell invasiveness and migration in vitro and HCC metastasis in vivo, whereas the silencing of OGDHL promoted these processes in HCC cells. The pro-metastatic role of OGDHL downregulation is most likely attributed to its upregulation of HIF-1α transactivation activity and the protein stabilization by promoting the accumulation of L-2-HG to prevent the activity of HIF-1α prolyl hydroxylases, which subsequently causes an epithelial-mesenchymal transition process in HCC cells. These results demonstrate that OGDHL is a dominant factor that modulates the metastasis of HCC.
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Affiliation(s)
- Weiqi Dai
- Department of Gastroenterology, Shidong Hospital, Shidong Hospital Affiliated to University of Shanghai for Science and Technology, Shanghai, China
| | - Yueyue Li
- Department of Gastroenterology, Shidong Hospital, Shidong Hospital Affiliated to University of Shanghai for Science and Technology, Shanghai, China
| | - Weijie Sun
- Department of Infectious Diseases, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Meng Ji
- Department of Gastroenterology, Shidong Hospital, Shidong Hospital Affiliated to University of Shanghai for Science and Technology, Shanghai, China
| | - Renjun Bao
- Department of Gastroenterology, Shidong Hospital, Shidong Hospital Affiliated to University of Shanghai for Science and Technology, Shanghai, China.,Suzhou Medical College of Soochow University, Suzhou, China
| | - Jianqing Chen
- Department of Gastroenterology, Shidong Hospital, Shidong Hospital Affiliated to University of Shanghai for Science and Technology, Shanghai, China
| | - Shuqi Xu
- Department of Gastroenterology, Shidong Hospital, Shidong Hospital Affiliated to University of Shanghai for Science and Technology, Shanghai, China
| | - Ying Dai
- Department of Gastroenterology, Shidong Hospital, Shidong Hospital Affiliated to University of Shanghai for Science and Technology, Shanghai, China
| | - Yiming Chen
- Department of Gastroenterology, Shidong Hospital, Shidong Hospital Affiliated to University of Shanghai for Science and Technology, Shanghai, China
| | - Wenjing Liu
- Department of Gastroenterology, Shidong Hospital, Shidong Hospital Affiliated to University of Shanghai for Science and Technology, Shanghai, China
| | - Chao Ge
- Department of Gastroenterology, Shidong Hospital, Shidong Hospital Affiliated to University of Shanghai for Science and Technology, Shanghai, China
| | - Wei Sun
- Department of Gastroenterology, Shidong Hospital, Shidong Hospital Affiliated to University of Shanghai for Science and Technology, Shanghai, China
| | - Wenhui Mo
- Department of Gastroenterology, Shidong Hospital, Shidong Hospital Affiliated to University of Shanghai for Science and Technology, Shanghai, China
| | - Chuanyong Guo
- Department of Gastroenterology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Xuanfu Xu
- Department of Gastroenterology, Shidong Hospital, Shidong Hospital Affiliated to University of Shanghai for Science and Technology, Shanghai, China
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Infante E, Etienne-Manneville S. Intermediate filaments: Integration of cell mechanical properties during migration. Front Cell Dev Biol 2022; 10:951816. [PMID: 35990612 PMCID: PMC9389290 DOI: 10.3389/fcell.2022.951816] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 07/07/2022] [Indexed: 11/22/2022] Open
Abstract
Cell migration is a vital and dynamic process required for the development of multicellular organisms and for immune system responses, tissue renewal and wound healing in adults. It also contributes to a variety of human diseases such as cancers, autoimmune diseases, chronic inflammation and fibrosis. The cytoskeleton, which includes actin microfilaments, microtubules, and intermediate filaments (IFs), is responsible for the maintenance of animal cell shape and structural integrity. Each cytoskeletal network contributes its unique properties to dynamic cell behaviour, such as cell polarization, membrane protrusion, cell adhesion and contraction. Hence, cell migration requires the dynamic orchestration of all cytoskeleton components. Among these, IFs have emerged as a molecular scaffold with unique mechanical features and a key player in the cell resilience to mechanical stresses during migration through complex 3D environment. Moreover, accumulating evidence illustrates the participation of IFs in signalling cascades and cytoskeletal crosstalk. Teaming up with actin and microtubules, IFs contribute to the active generation of forces required for cell adhesion and mesenchymal migration and invasion. Here we summarize and discuss how IFs integrate mechanical properties and signalling functions to control cell migration in a wide spectrum of physiological and pathological situations.
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Sala F, Ficorella C, Osellame R, Käs JA, Martínez Vázquez R. Microfluidic Lab-on-a-Chip for Studies of Cell Migration under Spatial Confinement. BIOSENSORS 2022; 12:bios12080604. [PMID: 36004998 PMCID: PMC9405557 DOI: 10.3390/bios12080604] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 07/27/2022] [Accepted: 08/01/2022] [Indexed: 11/16/2022]
Abstract
Understanding cell migration is a key step in unraveling many physiological phenomena and predicting several pathologies, such as cancer metastasis. In particular, confinement has been proven to be a key factor in the cellular migration strategy choice. As our insight in the field improves, new tools are needed in order to empower biologists’ analysis capabilities. In this framework, microfluidic devices have been used to engineer the mechanical and spatial stimuli and to investigate cellular migration response in a more controlled way. In this work, we will review the existing technologies employed in the realization of microfluidic cellular migration assays, namely the soft lithography of PDMS and hydrogels and femtosecond laser micromachining. We will give an overview of the state of the art of these devices, focusing on the different geometrical configurations that have been exploited to study specific aspects of cellular migration. Our scope is to highlight the advantages and possibilities given by each approach and to envisage the future developments in in vitro migration studies under spatial confinement in microfluidic devices.
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Affiliation(s)
- Federico Sala
- Institute for Photonics and Nanotechnologies, CNR, Piazza Leonardo da Vinci 32, 20133 Milano, Italy
| | - Carlotta Ficorella
- Peter Debye Institute for Soft Matter Physics, University of Leipzig, 04109 Leipzig, Germany
| | - Roberto Osellame
- Institute for Photonics and Nanotechnologies, CNR, Piazza Leonardo da Vinci 32, 20133 Milano, Italy
| | - Josef A. Käs
- Peter Debye Institute for Soft Matter Physics, University of Leipzig, 04109 Leipzig, Germany
| | - Rebeca Martínez Vázquez
- Institute for Photonics and Nanotechnologies, CNR, Piazza Leonardo da Vinci 32, 20133 Milano, Italy
- Correspondence:
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63
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Tumour invasion and dissemination. Biochem Soc Trans 2022; 50:1245-1257. [PMID: 35713387 PMCID: PMC9246329 DOI: 10.1042/bst20220452] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 05/16/2022] [Accepted: 05/30/2022] [Indexed: 11/17/2022]
Abstract
Activating invasion and metastasis are one of the primary hallmarks of cancer, the latter representing the leading cause of death in cancer patients. Whilst many advances in this area have been made in recent years, the process of cancer dissemination and the underlying mechanisms governing invasion are still poorly understood. Cancer cells exhibit multiple invasion strategies, including switching between modes of invasion and plasticity in response to therapies, surgical interventions and environmental stimuli. The ability of cancer cells to switch migratory modes and their inherent plasticity highlights the critical challenge preventing the successful design of cancer and anti-metastatic therapies. This mini-review presents current knowledge on the critical models of tumour invasion and dissemination. We also discuss the current issues surrounding current treatments and arising therapeutic opportunities. We propose that the establishment of novel approaches to study the key biological mechanisms underlying the metastatic cascade is critical in finding novel targets that could ultimately lead to complete inhibition of cancer cell invasion and dissemination.
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Zhang L, Zhang Y, Shen D, Chen Y, Feng J, Wang X, Ma L, Liao Y, Tang L. RNA Binding Motif Protein 3 Promotes Cell Metastasis and Epithelial–Mesenchymal Transition Through STAT3 Signaling Pathway in Hepatocellular Carcinoma. J Hepatocell Carcinoma 2022; 9:405-422. [PMID: 35592242 PMCID: PMC9112182 DOI: 10.2147/jhc.s351886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 04/21/2022] [Indexed: 11/25/2022] Open
Abstract
Purpose RNA binding motif protein 3 (RBM3) has been reported to be dysregulated in various cancers and associated with tumor aggressiveness. Epithelial–mesenchymal transition (EMT) is an important biological process by which tumor cells acquire metastatic abilities. This study aimed to explore the regulatory and molecular mechanisms of RBM3 in EMT process. Methods Western blotting, IHC, and qRT-PCR were performed to evaluate the expression of target genes. Transwell assay was used to investigate the migration and invasion. RNA immunoprecipitation and luciferase reporter assay were performed to explore the correlation of RBM3 with STAT3 or microRNA-383. Animal HCC models were used to explore the role of RBM3 in metastasis in vivo. Results RBM3 was highly expressed in HCC tissues compared to healthy tissues, and its level was negatively correlated with the prognosis of HCC patients. RBM3 overexpression accelerated migration and invasion, promoted EMT process, and activated STAT3 signaling. EMT induced by RBM3 was not only attenuated by inhibiting pSTAT3 via S3I-201 but also abolished by suppressing STAT3 expression via siRNAs. Mechanistically, RBM3 increased STAT3 expression by stabilizing STAT3 mRNA via binding to its mRNA. As an upstream target of RBM3, microRNA-383 inhibited RBM3 expression by binding to its 3ʹUTR and resulted in the inhibition of the EMT process. Inhibition of RBM3 in HCC animal models prolonged survival and ameliorated malignant phenotypes in mice. Conclusion Our findings support that RBM3 promotes HCC metastasis by activating STAT3 signaling.
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Affiliation(s)
- Lu Zhang
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, 400044, People’s Republic of China
| | - Yi Zhang
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, 400044, People’s Republic of China
| | - Dongliang Shen
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, 400044, People’s Republic of China
| | - Ying Chen
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, 400044, People’s Republic of China
| | - Jianguo Feng
- Southwest Medical University, Department Anesthesiology, Affiliated Hospital, Luzhou, 646000, People’s Republic of China
| | - Xing Wang
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, 400044, People’s Republic of China
| | - Lunkun Ma
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, 400044, People’s Republic of China
| | - Yi Liao
- The Central Laboratory, Shenzhen Second People’s Hospital/First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen, Guangdong, 518035, People’s Republic of China
- Department of Thoracic Surgery, Southwest Hospital, Army Medical University, Chongqing, 400038, People’s Republic of China
| | - Liling Tang
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, 400044, People’s Republic of China
- Correspondence: Liling Tang; Yi Liao, Tel +86 139 9605 1730; +86 139 9656 6993, Fax +86-23-65111901; +86-23-68763333, Email ;
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Kong F, Ma L, Wang X, You H, Zheng K, Tang R. Regulation of epithelial-mesenchymal transition by protein lysine acetylation. Cell Commun Signal 2022; 20:57. [PMID: 35484625 PMCID: PMC9052664 DOI: 10.1186/s12964-022-00870-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 03/20/2022] [Indexed: 01/01/2023] Open
Abstract
The epithelial-mesenchymal transition (EMT) is a vital driver of tumor progression. It is a well-known and complex trans-differentiation process in which epithelial cells undergo morphogenetic changes with loss of apical-basal polarity, but acquire spindle-shaped mesenchymal phenotypes. Lysine acetylation is a type of protein modification that favors reversibly altering the structure and function of target molecules via the modulation of lysine acetyltransferases (KATs), as well as lysine deacetylases (KDACs). To date, research has found that histones and non-histone proteins can be acetylated to facilitate EMT. Interestingly, histone acetylation is a type of epigenetic regulation that is capable of modulating the acetylation levels of distinct histones at the promoters of EMT-related markers, EMT-inducing transcription factors (EMT-TFs), and EMT-related long non-coding RNAs to control EMT. However, non-histone acetylation is a post-translational modification, and its effect on EMT mainly relies on modulating the acetylation of EMT marker proteins, EMT-TFs, and EMT-related signal transduction molecules. In addition, several inhibitors against KATs and KDACs have been developed, some of which can suppress the development of different cancers by targeting EMT. In this review, we discuss the complex biological roles and molecular mechanisms underlying histone acetylation and non-histone protein acetylation in the control of EMT, highlighting lysine acetylation as potential strategy for the treatment of cancer through the regulation of EMT. Video Abstract
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Affiliation(s)
- Fanyun Kong
- Jiangsu Key Laboratory of Immunity and Metabolism, Department of Pathogenic Biology and Immunology, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Lihong Ma
- Jiangsu Key Laboratory of Immunity and Metabolism, Department of Pathogenic Biology and Immunology, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Xing Wang
- Jiangsu Key Laboratory of Immunity and Metabolism, Department of Pathogenic Biology and Immunology, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Hongjuan You
- Jiangsu Key Laboratory of Immunity and Metabolism, Department of Pathogenic Biology and Immunology, Xuzhou Medical University, Xuzhou, Jiangsu, China.
| | - Kuiyang Zheng
- Jiangsu Key Laboratory of Immunity and Metabolism, Department of Pathogenic Biology and Immunology, Xuzhou Medical University, Xuzhou, Jiangsu, China.,National Demonstration Center for Experimental Basic Medical Sciences Education, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Renxian Tang
- Jiangsu Key Laboratory of Immunity and Metabolism, Department of Pathogenic Biology and Immunology, Xuzhou Medical University, Xuzhou, Jiangsu, China. .,National Demonstration Center for Experimental Basic Medical Sciences Education, Xuzhou Medical University, Xuzhou, Jiangsu, China.
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Alwhaibi A, Parvathagiri V, Verma A, Artham S, Adil MS, Somanath PR. Regulation of Let-7a-5p and miR-199a-5p Expression by Akt1 Modulates Prostate Cancer Epithelial-to-Mesenchymal Transition via the Transforming Growth Factor-β Pathway. Cancers (Basel) 2022; 14:cancers14071625. [PMID: 35406397 PMCID: PMC8996869 DOI: 10.3390/cancers14071625] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 03/07/2022] [Accepted: 03/21/2022] [Indexed: 02/01/2023] Open
Abstract
Simple Summary The molecular mechanisms regulating the switch from the growth of tumor cells to invasive phenotype for metastasis is largely unknown. Molecules such as Akt1 and TGFβ have been demonstrated to play reciprocal roles in the early and advanced stages of cancers, and epithelial-to-mesenchymal transition has been identified as a common link in the process. Advancing our knowledge on the direct association between these two pathways and how their effects are reconciled in the advanced stages of cancers such as prostate cancer will have therapeutic benefits. Identifying the role of microRNAs in the process will also benefit the scientific community. Abstract Akt1 suppression in advanced cancers has been indicated to promote metastasis. Our understanding of how Akt1 orchestrates this is incomplete. Using the NanoString®-based miRNA and mRNA profiling of PC3 and DU145 cells, and subsequent data analysis using the DIANA-mirPath, dbEMT, nCounter, and Ingenuity® databases, we identified the miRNAs and associated genes responsible for Akt1-mediated prostate cancer (PCa) epithelial-to-mesenchymal transition (EMT). Akt1 loss in PC3 and DU145 cells primarily induced changes in the miRNAs and mRNAs regulating EMT genes. These include increased miR-199a-5p and decreased let-7a-5p expression associated with increased TGFβ-R1 expression. Treatment with locked nucleic acid (LNA) miR-199a-5p inhibitor and/or let-7a-5p mimic induced expression changes in EMT genes correlating to their anticipated effects on PC3 and DU145 cell motility, invasion, and TGFβ-R1 expression. A correlation between increased miR-199a-5p and TGFβ-R1 expression with reduced let-7a-5p was also observed in high Gleason score PCa patients in the cBioportal database analysis. Collectively, our studies show the effect of Akt1 suppression in advanced PCa on EMT modulating miRNA and mRNA expression changes and highlight the potential benefits of miR-199a-5p and let-7a-5p in therapy and/or early screening of mPCa.
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Affiliation(s)
- Abdulrahman Alwhaibi
- Clinical and Experimental Therapeutics, University of Georgia, Augusta, GA 30912, USA; (A.A.); (V.P.); (A.V.); (S.A.); (M.S.A.)
- Charlie Norwood VA Medical Center, Augusta, GA 30912, USA
- Clinical Pharmacy Department, College of Pharmacy at King Saud University, Riyadh 11451, Saudi Arabia
| | - Varun Parvathagiri
- Clinical and Experimental Therapeutics, University of Georgia, Augusta, GA 30912, USA; (A.A.); (V.P.); (A.V.); (S.A.); (M.S.A.)
- Charlie Norwood VA Medical Center, Augusta, GA 30912, USA
| | - Arti Verma
- Clinical and Experimental Therapeutics, University of Georgia, Augusta, GA 30912, USA; (A.A.); (V.P.); (A.V.); (S.A.); (M.S.A.)
- Charlie Norwood VA Medical Center, Augusta, GA 30912, USA
| | - Sandeep Artham
- Clinical and Experimental Therapeutics, University of Georgia, Augusta, GA 30912, USA; (A.A.); (V.P.); (A.V.); (S.A.); (M.S.A.)
- Charlie Norwood VA Medical Center, Augusta, GA 30912, USA
| | - Mir S. Adil
- Clinical and Experimental Therapeutics, University of Georgia, Augusta, GA 30912, USA; (A.A.); (V.P.); (A.V.); (S.A.); (M.S.A.)
- Charlie Norwood VA Medical Center, Augusta, GA 30912, USA
| | - Payaningal R. Somanath
- Clinical and Experimental Therapeutics, University of Georgia, Augusta, GA 30912, USA; (A.A.); (V.P.); (A.V.); (S.A.); (M.S.A.)
- Charlie Norwood VA Medical Center, Augusta, GA 30912, USA
- Vascular Biology Center, Augusta University, Augusta, GA 30912, USA
- Georgia Cancer Center, Augusta University, Augusta, GA 30912, USA
- Correspondence:
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Li T, Hao Z, Tang Z, Li C, Cheng L, Wang T, Zhu X, He Y, Huang Y, Wang B. BAP31 Regulates Wnt Signaling to Modulate Cell Migration in Lung Cancer. Front Oncol 2022; 12:859195. [PMID: 35359416 PMCID: PMC8960194 DOI: 10.3389/fonc.2022.859195] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 02/16/2022] [Indexed: 12/20/2022] Open
Abstract
B-cell receptor-associated protein 31 (BAP31) has been shown to overexpress in a wide range type of cancers. The present study aims to investigate the role of BAP31 on migration in lung cancer. Results showed that the migration of BAP31 knockdown cells was weaken than the control cells. Applying TGFβ to treat BAP31 knockdown cells could reduce cell migration. The enhancement on proliferation by TGFβ treatment was downregulated after BAP31 knockdown. The cell death and G0/G1 phase arrest was increased in the cells with TGFβ and BAP31 siRNA treatment when compared with TGFβ treatment alone. Gene expression analysis showed that Bax/Bcl2, MLKL and LC3 was upregulated in the cells with combinatorial treatment of TGFβ and BAP31 siRNA. In addition, BAP31 was shown to regulate multiple signaling pathways, especially for Wnt signaling. It found that BAP31 knockdown cells treated with TGFβ decreased β-catenin cytosolic expression and nuclear localization. Wnt signaling activator BIO could restore the downregulation of proliferation by BAP31 knockdown. This finding suggested that BAP31 regulated cancer cell migration is possibly involved with cell death mechanisms and Wnt signaling.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Bing Wang
- *Correspondence: Yongye Huang, ; Bing Wang,
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Mohammadalipour A, Diaz MF, Livingston M, Ewere A, Zhou A, Horton PD, Olamigoke LT, Lamar JM, Hagan JP, Lee HJ, Wenzel PL. RhoA-ROCK competes with YAP to regulate amoeboid breast cancer cell migration in response to lymphatic-like flow. FASEB Bioadv 2022; 4:342-361. [PMID: 35520391 PMCID: PMC9065582 DOI: 10.1096/fba.2021-00055] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 12/16/2021] [Accepted: 01/26/2022] [Indexed: 11/11/2022] Open
Abstract
Lymphatic drainage generates force that induces prostate cancer cell motility via activation of Yes-associated protein (YAP), but whether this response to fluid force is conserved across cancer types is unclear. Here, we show that shear stress corresponding to fluid flow in the initial lymphatics modifies taxis in breast cancer, whereas some cell lines use rapid amoeboid migration behavior in response to fluid flow, a separate subset decrease movement. Positive responders displayed transcriptional profiles characteristic of an amoeboid cell state, which is typical of cells advancing at the edges of neoplastic tumors. Regulation of the HIPPO tumor suppressor pathway and YAP activity also differed between breast subsets and prostate cancer. Although subcellular localization of YAP to the nucleus positively correlated with overall velocity of locomotion, YAP gain- and loss-of-function demonstrates that YAP inhibits breast cancer motility but is outcompeted by other pro-taxis mediators in the context of flow. Specifically, we show that RhoA dictates response to flow. GTPase activity of RhoA, but not Rac1 or Cdc42 Rho family GTPases, is elevated in cells that positively respond to flow and is unchanged in cells that decelerate under flow. Disruption of RhoA or the RhoA effector, Rho-associated kinase (ROCK), blocked shear stress-induced motility. Collectively, these findings identify biomechanical force as a regulator amoeboid cell migration and demonstrate stratification of breast cancer subsets by flow-sensing mechanotransduction pathways.
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Affiliation(s)
- Amina Mohammadalipour
- Department of Integrative Biology & PharmacologyThe University of Texas Health Science Center at HoustonTexasUSA
| | - Miguel F. Diaz
- Department of Integrative Biology & PharmacologyThe University of Texas Health Science Center at HoustonTexasUSA,Children’s Regenerative Medicine ProgramDepartment of Pediatric SurgeryThe University of Texas Health Science Center at HoustonTexasUSA,Center for Stem Cell and Regenerative MedicineBrown Foundation Institute of Molecular MedicineThe University of Texas Health Science Center at HoustonTexasUSA
| | - Megan Livingston
- Department of Integrative Biology & PharmacologyThe University of Texas Health Science Center at HoustonTexasUSA,Children’s Regenerative Medicine ProgramDepartment of Pediatric SurgeryThe University of Texas Health Science Center at HoustonTexasUSA,Center for Stem Cell and Regenerative MedicineBrown Foundation Institute of Molecular MedicineThe University of Texas Health Science Center at HoustonTexasUSA,Biochemistry and Cell Biology ProgramMD Anderson UTHealth Graduate School of Biomedical SciencesThe University of TexasHoustonTexasUSA
| | - Adesuwa Ewere
- Children’s Regenerative Medicine ProgramDepartment of Pediatric SurgeryThe University of Texas Health Science Center at HoustonTexasUSA,Center for Stem Cell and Regenerative MedicineBrown Foundation Institute of Molecular MedicineThe University of Texas Health Science Center at HoustonTexasUSA,School of MedicineUniversity of Texas Medical BranchGalvestonTexasUSA
| | - Allen Zhou
- Children’s Regenerative Medicine ProgramDepartment of Pediatric SurgeryThe University of Texas Health Science Center at HoustonTexasUSA,Center for Stem Cell and Regenerative MedicineBrown Foundation Institute of Molecular MedicineThe University of Texas Health Science Center at HoustonTexasUSA
| | - Paulina D. Horton
- Department of Integrative Biology & PharmacologyThe University of Texas Health Science Center at HoustonTexasUSA,Children’s Regenerative Medicine ProgramDepartment of Pediatric SurgeryThe University of Texas Health Science Center at HoustonTexasUSA,Center for Stem Cell and Regenerative MedicineBrown Foundation Institute of Molecular MedicineThe University of Texas Health Science Center at HoustonTexasUSA,Immunology ProgramMD Anderson UTHealth Graduate School of Biomedical SciencesThe University of TexasHoustonTexasUSA
| | - Loretta T. Olamigoke
- Vivian L. Smith Department of NeurosurgeryThe University of Texas Health Science Center at HoustonTexasUSA
| | - John M. Lamar
- Molecular and Cellular PhysiologyAlbany Medical CollegeAlbanyNew YorkUSA
| | - John P. Hagan
- Vivian L. Smith Department of NeurosurgeryThe University of Texas Health Science Center at HoustonTexasUSA
| | - Hyun J. Lee
- Department of Anatomy and Cell BiologyCollege of MedicineChung‐Ang UniversitySeoulSouth Korea,Department of Global Innovative DrugsGraduate School of Chung‐Ang UniversitySeoulSouth Korea
| | - Pamela L. Wenzel
- Department of Integrative Biology & PharmacologyThe University of Texas Health Science Center at HoustonTexasUSA,Children’s Regenerative Medicine ProgramDepartment of Pediatric SurgeryThe University of Texas Health Science Center at HoustonTexasUSA,Center for Stem Cell and Regenerative MedicineBrown Foundation Institute of Molecular MedicineThe University of Texas Health Science Center at HoustonTexasUSA,Biochemistry and Cell Biology ProgramMD Anderson UTHealth Graduate School of Biomedical SciencesThe University of TexasHoustonTexasUSA,Immunology ProgramMD Anderson UTHealth Graduate School of Biomedical SciencesThe University of TexasHoustonTexasUSA
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Liu Q. The emerging roles of exosomal long non-coding RNAs in bladder cancer. J Cell Mol Med 2022; 26:966-976. [PMID: 34981655 PMCID: PMC8831985 DOI: 10.1111/jcmm.17152] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 11/30/2021] [Accepted: 12/14/2021] [Indexed: 12/12/2022] Open
Abstract
Extracellular vesicles (EVs), especially exosomes, have been reported to play essential roles as extracellular messengers by transporting goods in various diseases, while their potential roles in bladder cancer (BC) still remain to be further studied. BC exhibits a high degree of chemoresistance and metastatic ability, which may be affected by cancer‐derived exosomes that carry proteins, lipids and RNA. To date, the most studied exosomal molecular cargo is long non‐coding RNA (lncRNA). Although there is increasing interest in its role and function, there is relatively little knowledge about it compared with other RNA transcripts. Nevertheless, in the past ten years, we have witnessed increasing interest in the role and function of lncRNA. For example, lncRNAs have been studied as potential biomarkers for the diagnosis of BC. They may play a role as a therapeutic target in precision medicine, but they may also be directly involved in the characteristics of tumour progression, such as metastasis, epithelial‐mesenchymal transition and drug resistance. Cancer cells are on chemotherapy acting. The function of lncRNA in various cancer exosomes has not yet been determined. In this review, we summarize the current studies about the prominent roles of exosomal lncRNAs in genome integrity, BC progression and carcinogenic features.
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Affiliation(s)
- Qiang Liu
- Department of Urology, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, Shenyang, Liaoning, China
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