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Xu S, Cao B, Xuan G, Xu S, An Z, Zhu C, Li L, Tang C. Function and regulation of Rab GTPases in cancers. Cell Biol Toxicol 2024; 40:28. [PMID: 38695990 PMCID: PMC11065922 DOI: 10.1007/s10565-024-09866-5] [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: 01/21/2024] [Accepted: 04/23/2024] [Indexed: 05/05/2024]
Abstract
The Rab small GTPases are characterized by the distinct intracellular localization and modulate various endocytic, transcytic and exocytic transport pathways. Rab proteins function as scaffolds that connect signaling pathways and intracellular membrane trafficking processes through the recruitment of effectors, such as tethering factors, phosphatases, motors and kinases. In different cancers, Rabs play as either an onco-protein or a tumor suppressor role, highly dependending on the context. The molecular mechanistic research has revealed that Rab proteins are involved in cancer progression through influences on migration, invasion, metabolism, exosome secretion, autophagy, and drug resistance of cancer cells. Therefore, targeting Rab GTPases to recover the dysregulated vesicle transport systems may provide potential strategy to restrain cancer progression. In this review, we discuss the regulation of Rab protein level and activity in modulating pathways involved in tumor progression, and propose that Rab proteins may serve as a prognostic factor in different cancers.
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Affiliation(s)
- Shouying Xu
- National Clinical Research Center for Child Health of the Children's Hospital, Zhejiang University School of Medicine, Hangzhou, 310052, China
| | - Bin Cao
- Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, China
| | - Ge Xuan
- Department of Gynaecology, Ningbo Women and Children's Hospital, No.339 Liuting Road, Ningbo, 315012, China
| | - Shu Xu
- National Clinical Research Center for Child Health of the Children's Hospital, Zhejiang University School of Medicine, Hangzhou, 310052, China
| | - Zihao An
- National Clinical Research Center for Child Health of the Children's Hospital, Zhejiang University School of Medicine, Hangzhou, 310052, China
| | - Chongying Zhu
- The Department of Obstetrics and Gynecology, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, 197 Ruijin 2nd Road, Shanghai, 200025, China
| | - Lin Li
- Department of Urology, Third Affiliated Hospital of the Second Military Medical University, Shanghai, 201805, China.
| | - Chao Tang
- National Clinical Research Center for Child Health of the Children's Hospital, Zhejiang University School of Medicine, Hangzhou, 310052, China.
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Banushi B, Joseph SR, Lum B, Lee JJ, Simpson F. Endocytosis in cancer and cancer therapy. Nat Rev Cancer 2023:10.1038/s41568-023-00574-6. [PMID: 37217781 DOI: 10.1038/s41568-023-00574-6] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/11/2023] [Indexed: 05/24/2023]
Abstract
Endocytosis is a complex process whereby cell surface proteins, lipids and fluid from the extracellular environment are packaged, sorted and internalized into cells. Endocytosis is also a mechanism of drug internalization into cells. There are multiple routes of endocytosis that determine the fate of molecules, from degradation in the lysosomes to recycling back to the plasma membrane. The overall rates of endocytosis and temporal regulation of molecules transiting through endocytic pathways are also intricately linked with signalling outcomes. This process relies on an array of factors, such as intrinsic amino acid motifs and post-translational modifications. Endocytosis is frequently disrupted in cancer. These disruptions lead to inappropriate retention of receptor tyrosine kinases on the tumour cell membrane, changes in the recycling of oncogenic molecules, defective signalling feedback loops and loss of cell polarity. In the past decade, endocytosis has emerged as a pivotal regulator of nutrient scavenging, response to and regulation of immune surveillance and tumour immune evasion, tumour metastasis and therapeutic drug delivery. This Review summarizes and integrates these advances into the understanding of endocytosis in cancer. The potential to regulate these pathways in the clinic to improve cancer therapy is also discussed.
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Affiliation(s)
- Blerida Banushi
- Frazer Institute, University of Queensland, Woolloongabba, Queensland, Australia
| | - Shannon R Joseph
- Frazer Institute, University of Queensland, Woolloongabba, Queensland, Australia
| | - Benedict Lum
- Frazer Institute, University of Queensland, Woolloongabba, Queensland, Australia
| | - Jason J Lee
- Frazer Institute, University of Queensland, Woolloongabba, Queensland, Australia
| | - Fiona Simpson
- Frazer Institute, University of Queensland, Woolloongabba, Queensland, Australia.
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Integrin receptor trafficking in health and disease. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2023; 196:271-302. [PMID: 36813362 DOI: 10.1016/bs.pmbts.2022.09.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Integrins are a family of 24 different heterodimers that are indispensable for multicellular life. Cell polarity, adhesion and migration are controlled by integrins delivered to the cell surface which in turn is regulated by the exo- and endocytic trafficking of integrins. The deep integration between trafficking and cell signaling determines the spatial and temporal output from any biochemical cue. Integrin trafficking plays a key role in development and many pathological conditions, especially cancer. Several novel regulators of integrin traffic have been discovered in recent times, including a novel class of integrin carrying vesicles, the intracellular nanovesicles (INVs). The tight regulation of trafficking pathways by cell signaling, where kinases phosphorylate key small GTPases in the trafficking pathway enable coordination of cell response to the extracellular milieu. Integrin heterodimer expression and trafficking differ in different tissues and contexts. In this Chapter, we discuss recent studies on integrin trafficking and its contribution to normal physiological and pathophysiological states.
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Zhong L, Tang L, He X. Angiopoietin-like 3 (ANGPTL3) drives cell proliferation, migration and angiogenesis in cervical cancer via binding to integrin alpha v beta 3. Bioengineered 2022; 13:2971-2980. [PMID: 35038961 PMCID: PMC8974177 DOI: 10.1080/21655979.2021.2024951] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Angiopoietin-like 3 (ANGPTL3) has been uncovered to play an oncogenic role in several kinds of human malignancies. Nevertheless, whether ANGPTL3 functions in cervical cancer (CC) has not yet been reported. This paper is intended to explore the impact of ANGPTL3 on CC cells and elucidate the potential mechanism. In this study, quantitative real-time polymerase chain reaction (qRT-PCR) and Western blot were performed to analyze the ANGPTL3 expression. Western blot was also performed to examine integrin αvβ3 protein level. Cell proliferation was evaluated by MTT assay, EdU staining and Western blot analysis. In addition, the migratory and invasive abilities of cells were, respectively, estimated by wound healing and transwell assays. Tube formation assay was performed to determine endothelial cell angiogenesis. Levels of vascular endothelial growth factor (VEGF) and vascular endothelial growth factor receptor 2 (VEGFR2) were measured by ELISA. As a result, ANGPTL3 expression was significantly higher in CC cells relative to that in normal cervical cells. Silencing of ANGPTL3 suppressed cell proliferation, migration and invasion. Besides, downregulation of ANGPTL3 inhibited human umbilical vein endothelial cell (HUVEC) angiogenesis and repressed protein level of integrin alpha v beta 3 (αvβ3). Upregulation of αvβ3 offsets the inhibitory effect of ANGPTL3 on proliferation, migration and invasion in CC cells. Upregulated expression of αvβ3 promoted blood vessel formation and secretions of VEGF and VEGFR2. In conclusion, ANGPTL3 silencing may serve as a tumor suppressor in CC through integrin αvβ3, which provides a potentially novel therapeutic target for patients with CC.
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Affiliation(s)
- Lijun Zhong
- Department of Gynecology, The Affiliated Hospital of Traditional Chinese Medicine, Southwest Medical University, Luzhou, China
| | - Lin Tang
- Department of Gynecology, The Affiliated Hospital of Traditional Chinese Medicine, Southwest Medical University, Luzhou, China
| | - Xiaoxia He
- Department of Gynecology, The Affiliated Hospital of Traditional Chinese Medicine, Southwest Medical University, Luzhou, China
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Rivas S, Silva P, Reyes M, Sepúlveda H, Solano L, Acuña J, Guerrero M, Varas-Godoy M, Quest AFG, Montecino M, Torres VA. The RabGEF ALS2 is a hypoxia inducible target associated with the acquisition of aggressive traits in tumor cells. Sci Rep 2020; 10:22302. [PMID: 33339852 PMCID: PMC7749157 DOI: 10.1038/s41598-020-79270-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Accepted: 12/07/2020] [Indexed: 11/09/2022] Open
Abstract
Tumor hypoxia and the hypoxia inducible factor-1, HIF-1, play critical roles in cancer progression and metastasis. We previously showed that hypoxia activates the endosomal GTPase Rab5, leading to tumor cell migration and invasion, and that these events do not involve changes in Rab protein expression, suggesting the participation of intermediate activators. Here, we identified ALS2, a guanine nucleotide exchange factor that is upregulated in cancer, as responsible for increased Rab5-GTP loading, cell migration and metastasis in hypoxia. Specifically, hypoxia augmented ALS2 mRNA and protein levels, and these events involved HIF-1α-dependent transcription, as shown by RNAi, pharmacological inhibition, chromatin immunoprecipitation and bioinformatics analyses, which identified a functional HIF-1α-binding site in the proximal promoter region of ALS2. Moreover, ALS2 and Rab5 activity were elevated both in a model of endogenous HIF-1α stabilization (renal cell carcinoma) and by following expression of stable non-hydroxylatable HIF-1α. Strikingly, ALS2 upregulation in hypoxia was required for Rab5 activation, tumor cell migration and invasion, as well as experimental metastasis in C57BL/6 mice. Finally, immunohistochemical analyses in patient biopsies with renal cell carcinoma showed that elevated HIF-1α correlates with increased ALS2 expression. Hence, this study identifies ALS2 as a novel hypoxia-inducible gene associated with tumor progression and metastasis.
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Affiliation(s)
- Solange Rivas
- Institute for Research in Dental Sciences, Faculty of Dentistry, Universidad de Chile, Calle Sergio Livingstone 943, Independencia, Santiago, Chile.,Advanced Center for Chronic Diseases (ACCDiS), Universidad de Chile, Santiago, Chile
| | - Patricio Silva
- Institute for Research in Dental Sciences, Faculty of Dentistry, Universidad de Chile, Calle Sergio Livingstone 943, Independencia, Santiago, Chile.,Advanced Center for Chronic Diseases (ACCDiS), Universidad de Chile, Santiago, Chile
| | - Montserrat Reyes
- Department of Pathology and Oral Medicine, Faculty of Dentistry, Universidad de Chile, Santiago, Chile
| | - Hugo Sepúlveda
- Institute of Biomedical Sciences and FONDAP Center for Genome Regulation, Faculty of Medicine and Faculty of Life Sciences, Universidad Andrés Bello, Santiago, Chile
| | - Luis Solano
- Institute for Research in Dental Sciences, Faculty of Dentistry, Universidad de Chile, Calle Sergio Livingstone 943, Independencia, Santiago, Chile.,Advanced Center for Chronic Diseases (ACCDiS), Universidad de Chile, Santiago, Chile
| | - Juan Acuña
- Laboratory of Pathological Anatomy, Hospital San José, Santiago, Chile
| | - Marisol Guerrero
- Laboratory of Pathological Anatomy, Hospital San José, Santiago, Chile
| | - Manuel Varas-Godoy
- Center for Cell Biology and Biomedicine (CEBICEM), Faculty of Medicine and Science, Universidad San Sebastián, Santiago, Chile
| | - Andrew F G Quest
- Advanced Center for Chronic Diseases (ACCDiS), Universidad de Chile, Santiago, Chile.,Center for Studies on Exercise, Metabolism and Cancer (CEMC), Biomedical Sciences Institute (ICBM), Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Martín Montecino
- Institute of Biomedical Sciences and FONDAP Center for Genome Regulation, Faculty of Medicine and Faculty of Life Sciences, Universidad Andrés Bello, Santiago, Chile
| | - Vicente A Torres
- Institute for Research in Dental Sciences, Faculty of Dentistry, Universidad de Chile, Calle Sergio Livingstone 943, Independencia, Santiago, Chile. .,Advanced Center for Chronic Diseases (ACCDiS), Universidad de Chile, Santiago, Chile.
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Bister N, Pistono C, Huremagic B, Jolkkonen J, Giugno R, Malm T. Hypoxia and extracellular vesicles: A review on methods, vesicular cargo and functions. J Extracell Vesicles 2020; 10:e12002. [PMID: 33304471 PMCID: PMC7710128 DOI: 10.1002/jev2.12002] [Citation(s) in RCA: 99] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 09/14/2020] [Accepted: 09/27/2020] [Indexed: 12/18/2022] Open
Abstract
Hypoxia is an essential hallmark of several serious diseases such as cardiovascular and metabolic disorders and cancer. A decline in the tissue oxygen level induces hypoxic responses in cells which strive to adapt to the changed conditions. A failure to adapt to prolonged or severe hypoxia can trigger cell death. While some cell types, such as neurons, are highly vulnerable to hypoxia, cancer cells take advantage of a hypoxic environment to undergo tumour growth, angiogenesis and metastasis. Hypoxia-induced processes trigger complex intercellular communication and there are now indications that extracellular vesicles (EVs) play a fundamental role in these processes. Recent developments in EV isolation and characterization methodology have increased the awareness of the importance of EV purity in functional and cargo studies. Cell death, a hallmark of severe hypoxia, is a known source of intracellular contaminants in isolated EVs. In this review, methodological aspects of studies investigating hypoxia-induced EVs are critically evaluated. Key concerns and gaps in the current knowledge are highlighted and future directions for studies are set. To accelerate and advance research, an in-depth analysis of the functions and cargo of hypoxic EVs, compared to normoxic EVs, is provided with the focus on the altered microRNA contents of the EVs.
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Affiliation(s)
- Nea Bister
- A.I. Virtanen Institute for Molecular SciencesUniversity of Eastern FinlandKuopioFinland
| | - Cristiana Pistono
- A.I. Virtanen Institute for Molecular SciencesUniversity of Eastern FinlandKuopioFinland
| | - Benjamin Huremagic
- Department of Human GeneticsKU LeuvenLeuvenBelgium
- Department of Computer ScienceUniversity of VeronaVeronaItaly
| | - Jukka Jolkkonen
- A.I. Virtanen Institute for Molecular SciencesUniversity of Eastern FinlandKuopioFinland
- Department of NeurologyUniversity of Eastern FinlandInstitute of Clinical MedicineKuopioFinland
| | - Rosalba Giugno
- Department of Computer ScienceUniversity of VeronaVeronaItaly
| | - Tarja Malm
- A.I. Virtanen Institute for Molecular SciencesUniversity of Eastern FinlandKuopioFinland
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Sun G, Cao Y, Guo J, Li M, Dai Y. Heat Shock Cognate Protein 70 Enhanced Integrin β1 Mediated Invasion in Cancer Cells. Cancer Manag Res 2020; 12:981-991. [PMID: 32104080 PMCID: PMC7023913 DOI: 10.2147/cmar.s235791] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Accepted: 12/11/2019] [Indexed: 12/18/2022] Open
Abstract
Purpose Glioblastoma is one of the most common malignant cancers worldwide. In our previous work, we have shown that heat shock cognate protein 70 (Hsc70) functions as a positive growth regulator in glioma. We investigated the role of Hsc70 in integrin β1 mediated invasion of glioma cells. Methods In order to investigate whether the down-regulation of Hsc70 would affect the expression of integrin β1 subunit, HeLa cells were transiently transfected with Hsc70-AS or pcDNA3.0 vectors and the down-regulation of Hsc70 was confirmed by Western blotting. Human brain glioma U87 cells were stably transfected with Hsc70-AS or pcDNA3.0 vectors to further elucidate the relationship between Hsc70 and integrin β1 in human glioma cells. Cellular localization of integrin β1 was detected using immunofluorescence confocal microscopy analysis. Results Here we reported that down-regulation of the expression of Hsc70 in U87 cells by transfection with antisense cDNA specifically increased the expression of cell surface integrin β1 without changing its mRNA. Meanwhile, the integrin β1 125-kD mature form increased while 105-kD precursor form decreased when Hsc70 was down-regulated. Mechanically, the U87 cells transfected with antisense cDNA of Hsc70 decreased the Golgi localization of integrin β1, strengthened its interaction with integrin α5 subunit, and enhanced the adhesion ability to fibronectin (FN) and the phosphorylation level of focal adhesion kinase (FAK). Conclusion Overall, these results suggested that the down-regulation of Hsc70 expression could promote the expression of cell surface integrin β1 and subsequently inhibit glioma invasion phenotype.
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Affiliation(s)
- Guan Sun
- Department of Neurosurgery, Yancheng City No.1 People's Hospital, The Fourth Affiliated Hospital of Nantong University, Yancheng, People's Republic of China
| | - Ying Cao
- Department of Ear-Nose-Throat, The Second People's Hospital of Huai'an, Huai'an Affiliated Hospital of Xuzhou Medical University, Huai'an, People's Republic of China
| | - Jun Guo
- Department of Neurosurgery, Yancheng City No.1 People's Hospital, The Fourth Affiliated Hospital of Nantong University, Yancheng, People's Republic of China
| | - Min Li
- Department of Neurosurgery, Jiangning Hospital Affiliated with Nanjing Medical University, Nanjing, People's Republic of China
| | - Yuyu Dai
- Department of Neurosurgery, Yancheng Third People's Hospital, Yancheng, People's Republic of China
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Coordination between Rac1 and Rab Proteins: Functional Implications in Health and Disease. Cells 2019; 8:cells8050396. [PMID: 31035701 PMCID: PMC6562727 DOI: 10.3390/cells8050396] [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: 04/09/2019] [Revised: 04/25/2019] [Accepted: 04/26/2019] [Indexed: 02/07/2023] Open
Abstract
The small GTPases of the Rho family regulate many aspects of actin dynamics, but are functionally connected to many other cellular processes. Rac1, a member of this family, besides its known function in the regulation of actin cytoskeleton, plays a key role in the production of reactive oxygen species, in gene transcription, in DNA repair, and also has been proven to have specific roles in neurons. This review focuses on the cooperation between Rac1 and Rab proteins, analyzing how the coordination between these GTPases impact on cells and how alterations of their functions lead to disease.
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Wozny AS, Vares G, Alphonse G, Lauret A, Monini C, Magné N, Cuerq C, Fujimori A, Monboisse JC, Beuve M, Nakajima T, Rodriguez-Lafrasse C. ROS Production and Distribution: A New Paradigm to Explain the Differential Effects of X-ray and Carbon Ion Irradiation on Cancer Stem Cell Migration and Invasion. Cancers (Basel) 2019; 11:cancers11040468. [PMID: 30987217 PMCID: PMC6521340 DOI: 10.3390/cancers11040468] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Revised: 03/26/2019] [Accepted: 04/01/2019] [Indexed: 02/06/2023] Open
Abstract
Although conventional radiotherapy promotes the migration/invasion of cancer stem cells (CSCs) under normoxia, carbon ion (C-ion) irradiation actually decreases these processes. Unraveling the mechanisms of this discrepancy, particularly under the hypoxic conditions that pertain in niches where CSCs are preferentially localized, would provide a better understanding of the origins of metastases. Invasion/migration, proteins involved in epithelial-to-mesenchymal transition (EMT), and expression of MMP-2 and HIF-1α were quantified in the CSC subpopulations of two head-and-neck squamous cell carcinoma (HNSCC) cell lines irradiated with X-rays or C-ions. X-rays triggered HNSCC-CSC migration/invasion under normoxia, however this effect was significantly attenuated under hypoxia. C-ions induced fewer of these processes in both oxygenation conditions. The differential response to C-ions was associated with a lack of HIF-1α stabilization, MMP-2 expression, or activation of kinases of the main EMT signaling pathways. Furthermore, we demonstrated a major role of reactive oxygen species (ROS) in the triggering of invasion/migration in response to X-rays. Monte-Carlo simulations demonstrated that HO● radicals are quantitatively higher after C-ions than after X-rays, however they are very differently distributed within cells. We postulate that the uniform distribution of ROS after X-rays induces the mechanisms leading to invasion/migration, which ROS concentrated in C-ion tracks are unable to trigger.
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Affiliation(s)
- Anne-Sophie Wozny
- Laboratoire de Radiobiologie Cellulaire et Moléculaire, Faculté de Médecine Lyon-Sud, Univ Lyon, Université Lyon 1, UMR CNRS5822/IN2P3, IPNL, PRISME, 69921 Oullins Cedex, France.
- Centre Hospitalier Lyon-Sud, Service de Biochimie et Biologie Moléculaire, Hospices Civils de Lyon, 69495 Pierre-Bénite, France.
| | - Guillaume Vares
- Advanced Medical Instrumentation Unit, Okinawa Institute of Science and Technology Graduate University, Okinawa 904-0495, Japan.
- Department of Radiation Effects Research, National Institute of Radiological Sciences, National Institute for Quantum and Radiological Science and Technology, Inage-ku, Chiba 263-8555, Japan.
| | - Gersende Alphonse
- Laboratoire de Radiobiologie Cellulaire et Moléculaire, Faculté de Médecine Lyon-Sud, Univ Lyon, Université Lyon 1, UMR CNRS5822/IN2P3, IPNL, PRISME, 69921 Oullins Cedex, France.
- Centre Hospitalier Lyon-Sud, Service de Biochimie et Biologie Moléculaire, Hospices Civils de Lyon, 69495 Pierre-Bénite, France.
| | - Alexandra Lauret
- Laboratoire de Radiobiologie Cellulaire et Moléculaire, Faculté de Médecine Lyon-Sud, Univ Lyon, Université Lyon 1, UMR CNRS5822/IN2P3, IPNL, PRISME, 69921 Oullins Cedex, France.
| | - Caterina Monini
- Univ Lyon, Université Lyon 1, UMR CNRS5822 /IN2P3, IPNL, PRISME, PHABIO, 69322 Villeurbanne, France.
| | - Nicolas Magné
- Laboratoire de Radiobiologie Cellulaire et Moléculaire, Faculté de Médecine Lyon-Sud, Univ Lyon, Université Lyon 1, UMR CNRS5822/IN2P3, IPNL, PRISME, 69921 Oullins Cedex, France.
- Département de Radiothérapie, Institut de Cancérologie de la Loire Lucien Neuwirth, 42270 St Priest en Jarez, France.
| | - Charlotte Cuerq
- Centre Hospitalier Lyon-Sud, Service de Biochimie et Biologie Moléculaire, Hospices Civils de Lyon, 69495 Pierre-Bénite, France.
| | - Akira Fujimori
- Department of Basic Medical Sciences for Radiation Damages, National Institute of Radiological Sciences, Inage-ku, 263-8555 Chiba, Japan.
| | - Jean-Claude Monboisse
- Université de Reims Champagne-Ardenne, CNRS UMR 7369, CHU de Reims, 51100 Reims, France.
| | - Michael Beuve
- Univ Lyon, Université Lyon 1, UMR CNRS5822 /IN2P3, IPNL, PRISME, PHABIO, 69322 Villeurbanne, France.
| | - Tetsuo Nakajima
- Department of Radiation Effects Research, National Institute of Radiological Sciences, National Institute for Quantum and Radiological Science and Technology, Inage-ku, Chiba 263-8555, Japan.
| | - Claire Rodriguez-Lafrasse
- Laboratoire de Radiobiologie Cellulaire et Moléculaire, Faculté de Médecine Lyon-Sud, Univ Lyon, Université Lyon 1, UMR CNRS5822/IN2P3, IPNL, PRISME, 69921 Oullins Cedex, France.
- Centre Hospitalier Lyon-Sud, Service de Biochimie et Biologie Moléculaire, Hospices Civils de Lyon, 69495 Pierre-Bénite, France.
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Yin Z, Ren W. MicroRNA-217 acts as a tumor suppressor and correlates with the chemoresistance of cervical carcinoma to cisplatin. Onco Targets Ther 2019; 12:759-771. [PMID: 30774364 PMCID: PMC6352857 DOI: 10.2147/ott.s176618] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Background MicroRNA-217 (miR-217) has been demonstrated to participate in the tumorigenesis and progression of various types of cancers. Nevertheless, the role of miR-217 in cervical carcinoma still remains not fully elucidated. This current work sought to investigate the role of miR-217 in the growth, migration, and invasion of cervical carcinoma and detect the role of miR-217 in the chemosensitivity of cervical carcinoma cell to cisplatin. Materials and methods The levels of miR-217 in 65 pairs of cervical carcinoma tissues and matched normal tissues were detected using quantitative real-time-PCR assay. The roles of miR-217 on the growth, apoptosis, migration, and invasion of cervical cancer SiHa and Ca-Ski cells were analyzed using Cell Counting Kit-8, flow cytometry, wound healing, and Transwell invasion assays, respectively. The target of miR-217 was identified using the online analysis tool TargetScan (http://www.targetscan.org/vert_72/) and was verified by luciferase reporter and immunoblotting assays. The xenograft tumor model was constructed to explore the impact of miR-217 on the growth of cervical carcinoma cell in vivo. Results The level of miR-217 was remarkably lower in cervical carcinoma tissues than that in noncancerous tissues. Overregulation of miR-217 markedly suppressed the aggressiveness of cervical cancer cell and induced cell apoptosis through regulating V-Ki-Ras2 Kirsten rat sarcoma viral oncogene homolog (KRAS). Finally, upregulation of miR-217 enhanced the chemosensitivity of both SiHa and Ca-Ski cervical cancer cells toward cisplatin. Conclusion Altogether, upregulation of miR-217 inhibits the aggressiveness phenotypes of cervical carcinoma cell via regulating KRAS gene and increases the sensitivity of cervical cancer cell to cisplatin.
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Affiliation(s)
- Zhaojun Yin
- Gynaecology Ward of Maternal and Child Health Hospital, Shizhong District, Zaozhuang 277100, Shandong, People's Republic of China,
| | - Weiru Ren
- Gynaecology Ward of Maternal and Child Health Hospital, Shizhong District, Zaozhuang 277100, Shandong, People's Republic of China,
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Zhang W, Zhang M, Liu L, Jin D, Wang P, Hu J. MicroRNA-183-5p Inhibits Aggressiveness of Cervical Cancer Cells by Targeting Integrin Subunit Beta 1 (ITGB1). Med Sci Monit 2018; 24:7137-7145. [PMID: 30293085 PMCID: PMC6190727 DOI: 10.12659/msm.910295] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Background Accumulating studies demonstrate that microRNAs play crucial roles in multiple processes of cancer progression. Lower levels of miR-183 have ben observed in diverse types of tumors but the mechanism and precise function of miR-183-5p in cervical cancer have largely not been investigated. Material/Methods The level of miR-183-5p in different cervical cancer cell lines and clinical tissues was detected qRT-PCR assays. Transwell and wound-healing migration assays were conducted to assess the functional roles of miR-183-5p in over-expressing cervical cancer cells in vitro. Rescue assays were carried out to confirm the contribution of integrin subunit Beta 1 (ITGB1) to the aggressiveness of cancer cells regulated by miR-183-5p. Results miR-183-5p was reduced in clinical tissues of cervical cancer and cell lines when compared to the normal subjects and normal cervical epithelial cell line, respectively. In addition, over-expression of miR-183-5p markedly inhibited migration and invasion in cervical cancer cells, and increased aggressiveness was observed in miR-183-5p inhibitor transfected cells. Furthermore, the luciferase reporter assays revealed that ITGB1 was the gene directly regulated by miR-183-5p. Notably, a negative association between the ITGB1 and miR-183-5p was found, and the gene expressions of ITGB1 was mediated by miR-183-5p in cervical cancer cells. Conclusions miR-183-5p serves as a latent anti-oncogene by targeting the metastasis-promoter gene, ITGB1.
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Affiliation(s)
- Wei Zhang
- Affiliated Hongqi Hospital, Mudanjiang Medical University, Mudanjiang, Heilongjiang, China (mainland)
| | - Mingkai Zhang
- Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China (mainland)
| | - Lantao Liu
- School of Basic Medicine, Mudanjiang Medical University, Mudanjiang, Heilongjiang, China (mainland)
| | - Dan Jin
- Mudanjiang Women and Children's Hospital, Mudanjiang, Heilongjiang, China (mainland)
| | - Pengyu Wang
- School of Basic Medicine, Mudanjiang Medical University, Mudanjiang, Heilongjiang, China (mainland)
| | - Jing Hu
- School of Basic Medicine, Mudanjiang Medical University, Mudanjiang, Heilongjiang, China (mainland)
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Araos J, Sleeman JP, Garvalov BK. The role of hypoxic signalling in metastasis: towards translating knowledge of basic biology into novel anti-tumour strategies. Clin Exp Metastasis 2018; 35:563-599. [DOI: 10.1007/s10585-018-9930-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Accepted: 08/13/2018] [Indexed: 02/06/2023]
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