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Faridah IN, Dania H, Maliza R, Chou WH, Wang WH, Chen YH, Perwitasari DA, Chang WC. Genetic Association Studies of MICB and PLCE1 with Severity of Dengue in Indonesian and Taiwanese Populations. Diagnostics (Basel) 2023; 13:3365. [PMID: 37958261 PMCID: PMC10647310 DOI: 10.3390/diagnostics13213365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 10/19/2023] [Accepted: 10/22/2023] [Indexed: 11/15/2023] Open
Abstract
Dengue is an arboviral disease that has spread globally and become a major public health concern. A small proportion of patients may progress from symptomatic dengue fever (DF) to dengue hemorrhagic fever (DHF) or dengue shock syndrome (DSS). Findings from a previous genome-wide association study (GWAS) demonstrated that variations in the major histocompatibility complex (MHC) class I chain-related B (MICB) and the phospholipase C epsilon 1 (PLCE1) genes were related to DSS in a Vietnamese population. This study investigated associations of variations in MICB (rs3132468) and PLCE1 (rs3740360, rs3765524) with dengue severity and thrombocytopenia in both the Indonesian and Taiwanese populations. We sampled 160 patients from the Indonesian population and 273 patients from the Taiwanese population. None of the patients had DSS in the Taiwanese population. Based on age demographics, we found that dengue is more prevalent among younger individuals in the Indonesian population, whereas it has a greater impact on adults in the Taiwanese population. Our results showed the association between MICB rs3132468 and DSS. In addition, an association was identified between PLCE1 rs3740360 and DHF in secondary dengue in Indonesian patients. However, there is no association of MICB or PLCE1 variants with thrombocytopenia. This study highlights the value of genetic testing, which might be included in the clinical pathway for specific patients who can be protected from severe dengue.
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Affiliation(s)
- Imaniar Noor Faridah
- Department of Clinical Pharmacy, School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei 11031, Taiwan; (I.N.F.); (W.-H.C.)
- Department of Pharmacology and Clinical Pharmacy, Faculty of Pharmacy, University of Ahmad Dahlan, Yogyakarta 55164, Indonesia;
| | - Haafizah Dania
- Department of Pharmacology and Clinical Pharmacy, Faculty of Pharmacy, University of Ahmad Dahlan, Yogyakarta 55164, Indonesia;
| | - Rita Maliza
- Biology Department, Faculty of Mathematics and Natural Sciences, Andalas University, Padang 25175, Indonesia;
| | - Wan-Hsuan Chou
- Department of Clinical Pharmacy, School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei 11031, Taiwan; (I.N.F.); (W.-H.C.)
| | - Wen-Hung Wang
- School of Medicine, College of Medicine, National Sun Yat-sen University, Kaohsiung 80424, Taiwan;
| | - Yen-Hsu Chen
- School of Medicine, College of Medicine, National Sun Yat-sen University, Kaohsiung 80424, Taiwan;
- Division of Infectious Disease, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Dyah Aryani Perwitasari
- Department of Pharmacology and Clinical Pharmacy, Faculty of Pharmacy, University of Ahmad Dahlan, Yogyakarta 55164, Indonesia;
| | - Wei-Chiao Chang
- Department of Clinical Pharmacy, School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei 11031, Taiwan; (I.N.F.); (W.-H.C.)
- Master Program for Clinical Pharmacogenomics and Pharmacoproteomics, School of Pharmacy, Taipei Medical University, Taipei 11031, Taiwan
- Integrative Research Center for Critical Care, Wan Fang Hospital, Taipei Medical University, Taipei 11696, Taiwan
- Department of Pharmacy, Wan Fang Hospital, Taipei Medical University, Taipei 11696, Taiwan
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Miao S, Zhang Q. Circulating circRNA: a social butterfly in tumors. Front Oncol 2023; 13:1203696. [PMID: 37546422 PMCID: PMC10401440 DOI: 10.3389/fonc.2023.1203696] [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: 04/11/2023] [Accepted: 06/20/2023] [Indexed: 08/08/2023] Open
Abstract
Circular RNAs (circRNAs) are a class of single-stranded non-coding RNAs that form circular structures through irregular splicing or post-splicing events. CircRNAs are abnormally expressed in many cancers and regulate the occurrence and development of tumors. Circulating circRNAs are cell-free circRNAs present in peripheral blood, they are considered promising biomarkers due to their high stability. In recent years, more and more studies have revealed that circulating circRNAs participate in various cellular communication and regulate the occurrence and development of tumors, which involve many pathological processes such as tumorigenesis, tumor-related immunity, tumor angiogenesis, and tumor metastasis. Understanding the role of cell communication mediated by circulating circRNAs in tumor will further reveal the value and significance behind their use as biomarkers and potential therapeutic targets. In this review, we summarize the recent findings and provide an overview of the cell-cell communication mediated by circulating circRNAs, aiming to explore the role and application value of circulating circRNAs in tumors.
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Affiliation(s)
- Shuo Miao
- Department of Urology, Affiliated Hospital of Qingdao University, Qingdao, China
- School of Basic Medicine, Qingdao University, Qingdao, China
| | - Qingsong Zhang
- Department of Urology, Affiliated Hospital of Qingdao University, Qingdao, China
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A current overview of RhoA, RhoB, and RhoC functions in vascular biology and pathology. Biochem Pharmacol 2022; 206:115321. [DOI: 10.1016/j.bcp.2022.115321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 10/17/2022] [Accepted: 10/18/2022] [Indexed: 11/24/2022]
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Jang EH, Kim JH, Ryu JY, Lee J, Kim HH, Youn YN. Time-dependent pathobiological and physiological changes of implanted vein grafts in a canine model. J Cardiovasc Transl Res 2022; 15:1108-1118. [PMID: 35244875 DOI: 10.1007/s12265-022-10226-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 02/23/2022] [Indexed: 12/01/2022]
Abstract
Although autologous vein grafting is essential, the high vein failure rate and specific clinical interventions are not clear, so a potential treatment is critically needed; thus, complex analyses of the relationship between pathobiological and physiological processes in preclinical are essential. The interposition of the femoral vein was performed in a canine model. Maximized expansion and velocity were measured at 8 weeks post-implantation, and a relative decrease was observed at 12 weeks. However, NI formation and NI/Media ratio significantly increased time dependently, and differences between the mechanical properties were observed. Additionally, RhoA-mediated TNF-α induced by rapid structural changes and high shear stress was confirmed. After adaptation to the arterial environment, vascular remodeling occurred by SMC proliferation and differentiation, apoptosis and autophagy were induced through YAP activity without vasodilation and RhoA activity. Our results show that understanding pathobiological processes in which time-dependent physiological changes contribute to vein failure can lead to a potential strategy. The implanted vein graft within the arterial environment undergoes pathobiological processes through RhoA and YAP activity, leading to pathophysiological changes.
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Affiliation(s)
- Eui Hwa Jang
- Division of Cardiovascular Surgery, Department of Thoracic and Cardiovascular Surgery, Severance Cardiovascular Hospital, Yonsei University College of Medicine, 250 Seongsanro, Seodaemun-gu, Seoul, 03722, South Korea
| | - Jung-Hwan Kim
- Division of Cardiovascular Surgery, Department of Thoracic and Cardiovascular Surgery, Severance Cardiovascular Hospital, Yonsei University College of Medicine, 250 Seongsanro, Seodaemun-gu, Seoul, 03722, South Korea
| | - Ji-Yeon Ryu
- Division of Cardiovascular Surgery, Department of Thoracic and Cardiovascular Surgery, Severance Cardiovascular Hospital, Yonsei University College of Medicine, 250 Seongsanro, Seodaemun-gu, Seoul, 03722, South Korea
| | - Jiyong Lee
- Department of Mechanical Engineering, YONSEI University, Seoul, 03722, South Korea
| | - Hyo-Hyun Kim
- Division of Cardiovascular Surgery, Department of Thoracic and Cardiovascular Surgery, Severance Cardiovascular Hospital, Yonsei University College of Medicine, 250 Seongsanro, Seodaemun-gu, Seoul, 03722, South Korea
| | - Young-Nam Youn
- Division of Cardiovascular Surgery, Department of Thoracic and Cardiovascular Surgery, Severance Cardiovascular Hospital, Yonsei University College of Medicine, 250 Seongsanro, Seodaemun-gu, Seoul, 03722, South Korea.
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Wang H, Sun X, Lu Q, Zemskov EA, Yegambaram M, Wu X, Wang T, Tang H, Black SM. The mitochondrial redistribution of eNOS is involved in lipopolysaccharide induced inflammasome activation during acute lung injury. Redox Biol 2021; 41:101878. [PMID: 33578126 PMCID: PMC7879038 DOI: 10.1016/j.redox.2021.101878] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 01/17/2021] [Accepted: 01/21/2021] [Indexed: 01/03/2023] Open
Abstract
Acute lung injury (ALI) is a devastating clinical syndrome with no effective therapies. Inflammasome activation has been reported to play a critical role in the initiation and progression of ALI. The molecular mechanisms involved in regulating the activation of inflammasome in ALI remains unresolved, although increases in mitochondrial derived reactive oxygen species (mito-ROS) are involved. Our previous work has shown that the mitochondrial redistribution of uncoupled eNOS impairs mitochondrial bioenergetics and increases mito-ROS generation. Thus, the focus of our study was to determine if lipopolysaccharide (LPS)-mediated inflammasome activation involves the mitochondrial redistribution of uncoupled eNOS. Our data show that the increase in mito-ROS involved in LPS-mediated inflammasome activation is associated with the disruption of mitochondrial bioenergetics in human lung microvascular endothelial cells (HLMVEC) and the mitochondrial redistribution of eNOS. These effects are dependent on RhoA-ROCK signaling and are mediated via increased phosphorylation of eNOS at Threonine (T)-495. A derivative of the mitochondrial targeted Szeto-Schiller peptide (SSP) attached to the antioxidant Tiron (T-SSP), significantly attenuated LPS-mediated mito-ROS generation and inflammasome activation in HLMVEC. Further, T-SSP attenuated mitochondrial superoxide production in a mouse model of sepsis induced ALI. This in turn significantly reduced the inflammatory response and attenuated lung injury. Thus, our findings show that the mitochondrial redistribution of uncoupled eNOS is intimately involved in the activation of the inflammatory response in ALI and implicate attenuating mito-ROS as a therapeutic strategy in humans.
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Affiliation(s)
- Hui Wang
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China; Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA
| | - Xutong Sun
- Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA
| | - Qing Lu
- Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA
| | - Evgeny A Zemskov
- Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA
| | - Manivannan Yegambaram
- Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA
| | - Xiaomin Wu
- Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA
| | - Ting Wang
- Department of Internal Medicine, The University of Arizona Health Sciences, Phoenix, AZ, USA
| | - Haiyang Tang
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China; Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA.
| | - Stephen M Black
- Department of Medicine, Division of Translational & Regenerative Medicine, University of Arizona, Tucson, AZ, USA.
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Eisa-Beygi S, Vo NJ, Link BA. RhoA activation-mediated vascular permeability in capillary malformation-arteriovenous malformation syndrome: a hypothesis. Drug Discov Today 2020; 26:1790-1793. [PMID: 33358701 DOI: 10.1016/j.drudis.2020.12.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 11/19/2020] [Accepted: 12/16/2020] [Indexed: 11/18/2022]
Abstract
Capillary malformation-arteriovenous malformation (CM-AVM) syndrome is a class of capillary anomalies that are associated with arteriovenous malformations and arteriovenous fistulas, which carry a risk of hemorrhages. There are no broadly effective pharmacological therapies currently available. Most CM-AVMs are associated with a loss of RASA1, resulting in constitutive activation of RAS signaling. However, protein interaction analysis revealed that RASA1 forms a complex with Rho GTPase-activating protein (RhoGAP), a negative regulator of RhoA signaling. Herein, we propose that loss of RASA1 function results in constitutive activation of RhoA signaling in endothelial cells, resulting in enhanced vascular permeability. Therefore, strategies aimed at curtailing RhoA activity should be tested as an adjunctive therapeutic approach in cell culture studies and animal models of RASA1 deficiency.
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Affiliation(s)
- Shahram Eisa-Beygi
- Department of Radiology, Medical College of Wisconsin, Milwaukee, WI, USA.
| | - Nghia Jack Vo
- Department of Radiology, Medical College of Wisconsin, Milwaukee, WI, USA; Department of Radiology, Pediatric Imaging and Interventional Radiology, Children's Hospital of Wisconsin, Milwaukee, WI, USA
| | - Brian A Link
- Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Milwaukee, WI, USA
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Shi X, Wang B, Feng X, Xu Y, Lu K, Sun M. circRNAs and Exosomes: A Mysterious Frontier for Human Cancer. MOLECULAR THERAPY. NUCLEIC ACIDS 2019; 19:384-392. [PMID: 31887549 PMCID: PMC6939016 DOI: 10.1016/j.omtn.2019.11.023] [Citation(s) in RCA: 94] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 11/15/2019] [Accepted: 11/22/2019] [Indexed: 12/18/2022]
Abstract
Exosomes are nano-sized membrane-bound vesicles and contain active substances (DNA, noncoding RNA [ncRNA], protein), which provide a novel method of transferring effector messages between cells. Circular RNAs (circRNAs), a kind of ncRNA, have attracted increasing attention over the last decade given advances in whole-genome and transcriptome sequencing technologies. It has become increasingly clear that circRNAs regulate gene expression through various actions and play diverse roles in many fields of human cancer biology. Notably, several studies reported that circRNAs are enriched in exosomes and that exosomal circRNAs play an important role in cancer biology. Exosomal circRNAs can be taken up by neighboring or distant cells and affect many aspects of physiological and pathological conditions of the recipient cells, potentially promoting cell communication and tumor metastasis. Herein, we briefly review the molecular mechanisms of circRNAs and recent findings regarding exosomal circRNAs, and highlight the specific roles of exosomal circRNAs in human cancer.
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Affiliation(s)
- Xuefei Shi
- Department of Respiratory Medicine, Huzhou Hospital, Zhejiang University School of Medicine, Huzhou, People's Republic of China; Department of Respiratory Medicine, Huzhou Central Hospital, Huzhou, China
| | - Bin Wang
- Department of Respiratory Medicine, Huzhou Hospital, Zhejiang University School of Medicine, Huzhou, People's Republic of China; Department of Respiratory Medicine, Huzhou Central Hospital, Huzhou, China
| | - Xueren Feng
- Department of Respiratory Medicine, Huzhou Hospital, Zhejiang University School of Medicine, Huzhou, People's Republic of China; Department of Respiratory Medicine, Huzhou Central Hospital, Huzhou, China
| | - Yongcan Xu
- Department of General Surgery, Huzhou Hospital, Zhejiang University School of Medicine, Huzhou, China.
| | - Kaihua Lu
- Department of Oncology, First Affiliated Hospital, Nanjing Medical University, Nanjing, People's Republic of China.
| | - Ming Sun
- Department of Bioinformatics and Computational Biology, UT MD Anderson Cancer Center, Houston, TX, USA.
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Wang Y, Liu J, Ma J, Sun T, Zhou Q, Wang W, Wang G, Wu P, Wang H, Jiang L, Yuan W, Sun Z, Ming L. Exosomal circRNAs: biogenesis, effect and application in human diseases. Mol Cancer 2019; 18:116. [PMID: 31277663 PMCID: PMC6610963 DOI: 10.1186/s12943-019-1041-z] [Citation(s) in RCA: 426] [Impact Index Per Article: 85.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Accepted: 06/19/2019] [Indexed: 02/06/2023] Open
Abstract
Exosomes have emerged as critical mediators of intercellular communication, both locally and systemically, by regulating a diverse range of biological processes between cells. Circular RNA (circRNA) is a novel member of endogenous noncoding RNAs with widespread distribution and diverse cellular functions. Recently, circular RNAs have been identified for their enrichment and stability in exosomes. In this review, we outline the origin, biogenesis and function of exosomal circRNAs as well as their roles in various diseases. Although their precise roles and mechanisms of gene regulation remain largely elusive, exosomal circRNAs have potential applications as disease biomarkers and novel therapeutic targets.
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Affiliation(s)
- Yangxia Wang
- Key Clinical Laboratory of Henan Province, Department of Clinical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Jinbo Liu
- Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Junfen Ma
- Key Clinical Laboratory of Henan Province, Department of Clinical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Ting Sun
- Key Clinical Laboratory of Henan Province, Department of Clinical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Quanbo Zhou
- Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Weiwei Wang
- Department of Pathology, The First Affiliated Hospital, Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Guixian Wang
- Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Pingjun Wu
- Department of Cardiac surgery, The Third People's Hospital of Henan Province, Zhengzhou, 450000, Henan, China
| | - Haijiang Wang
- Department of Gastrointestinal Surgery, Affiliated Tumor Hospital, Xinjiang Medical University, Ürümqi, 830011, Xinjiang, China
| | - Li Jiang
- Department of Radiotherapy, The First Affiliated Hospital, Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Weitang Yuan
- Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Zhenqiang Sun
- Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China.
| | - Liang Ming
- Key Clinical Laboratory of Henan Province, Department of Clinical Laboratory, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China.
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Li J, Li Z, Jiang P, Peng M, Zhang X, Chen K, Liu H, Bi H, Liu X, Li X. Circular RNA IARS (circ-IARS) secreted by pancreatic cancer cells and located within exosomes regulates endothelial monolayer permeability to promote tumor metastasis. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2018; 37:177. [PMID: 30064461 PMCID: PMC6069563 DOI: 10.1186/s13046-018-0822-3] [Citation(s) in RCA: 276] [Impact Index Per Article: 46.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Accepted: 05/14/2018] [Indexed: 12/13/2022]
Abstract
BACKGROUND Recent studies show that exosomes are involved in intercellular communication and that abundant circular RNAs (circRNAs) are present within exosomes. However, whether these exosomal circRNAs contribute to tumor invasion and metastasis remains unclear, as do their associated mechanisms. METHODS Quantitative reverse transcription-polymerase chain reaction (qRT-PCR) was used to measure the expression levels of circ-IARS in 85 pancreatic ductal adenocarcinoma (PDAC) tissues, plasma exosomes, and Hs 766 T, Hs 766 T-L2 and human microvascular vein endothelial (HUVECs) cells. RhoA, ZO-1 and RhoA-GTP levels were detected by qRT-PCR and western blotting (WB); RhoA activity analysis was also performed. Transwell assays were performed to examine changes in endothelial monolayer permeability, and immunofluorescence and WB were employed to evaluate F-actin expression and focal adhesion. Finally, an animal experiment was performed to detect the contribution of circ-IARS to cancer metastasis. RESULTS circ-IARS expression was up-regulated in pancreatic cancer tissues and in plasma exosomes of patients with metastatic disease. Circ-IARS was found to enter HUVECs through exosomes and promote tumor invasion and metastasis. Circ-IARS expression was positively correlated with liver metastasis, vascular invasion, and tumor-node-metastasis (TNM) stage and negatively correlated with postoperative survival time. Overexpression of circ-IARS significantly down-regulated miR-122 and ZO-1 levels, up-regulated RhoA and RhoA-GTP levels, increased F-actin expression and focal adhesion, enhanced endothelial monolayer permeability, and promoted tumor invasion and metastasis. CONCLUSIONS circ-IRAS accesses HUVECs via exosomes derived from pancreatic cancer cells followed by increased endothelial monolayer permeability. Furthermore, this process promotes tumor invasion and metastasis. The results of this study suggest that the presence of circRNAs in exosomes may be important indicator for early diagnosis and prognostic prediction in PDAC.
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Affiliation(s)
- Jie Li
- Hepatobiliary Surgery Institute, Southwest Hospital, Third Military Medical University (Army Medical University), 30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - Zhonghu Li
- Hepatobiliary Surgery Institute, Southwest Hospital, Third Military Medical University (Army Medical University), 30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - Peng Jiang
- Hepatobiliary Surgery Institute, Southwest Hospital, Third Military Medical University (Army Medical University), 30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - Minjie Peng
- Current address: Hepatobiliary Surgery & Carson International Cancer Shenzhen University General Hospital & Shenzhen University Clinical Medical Academy Center, Shenzhen University, Shenzhen, China
| | - Xi Zhang
- Hepatobiliary Surgery Institute, Southwest Hospital, Third Military Medical University (Army Medical University), 30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - Kai Chen
- Hepatobiliary Surgery Institute, Southwest Hospital, Third Military Medical University (Army Medical University), 30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China
| | - Hui Liu
- Current address: Hepatobiliary Surgery & Carson International Cancer Shenzhen University General Hospital & Shenzhen University Clinical Medical Academy Center, Shenzhen University, Shenzhen, China
| | - Huaqiang Bi
- Current address: Hepatobiliary Surgery & Carson International Cancer Shenzhen University General Hospital & Shenzhen University Clinical Medical Academy Center, Shenzhen University, Shenzhen, China
| | - Xiangde Liu
- Hepatobiliary Surgery Institute, Southwest Hospital, Third Military Medical University (Army Medical University), 30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China.
| | - Xiaowu Li
- Hepatobiliary Surgery Institute, Southwest Hospital, Third Military Medical University (Army Medical University), 30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China. .,Current address: Hepatobiliary Surgery & Carson International Cancer Shenzhen University General Hospital & Shenzhen University Clinical Medical Academy Center, Shenzhen University, Shenzhen, China.
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Park JC, Baik SH, Han SH, Cho HJ, Choi H, Kim HJ, Choi H, Lee W, Kim DK, Mook-Jung I. Annexin A1 restores Aβ 1-42 -induced blood-brain barrier disruption through the inhibition of RhoA-ROCK signaling pathway. Aging Cell 2017; 16:149-161. [PMID: 27633771 PMCID: PMC5242298 DOI: 10.1111/acel.12530] [Citation(s) in RCA: 77] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/18/2016] [Indexed: 12/15/2022] Open
Abstract
The blood–brain barrier (BBB) is composed of brain capillary endothelial cells and has an important role in maintaining homeostasis of the brain separating the blood from the parenchyma of the central nervous system (CNS). It is widely known that disruption of the BBB occurs in various neurodegenerative diseases, including Alzheimer's disease (AD). Annexin A1 (ANXA1), an anti‐inflammatory messenger, is expressed in brain endothelial cells and regulates the BBB integrity. However, its role and mechanism for protecting BBB in AD have not been identified. We found that β‐Amyloid 1‐42 (Aβ42)‐induced BBB disruption was rescued by human recombinant ANXA1 (hrANXA1) in the murine brain endothelial cell line bEnd.3. Also, ANXA1 was decreased in the bEnd.3 cells, the capillaries of 5XFAD mice, and the human serum of patients with AD. To find out the mechanism by which ANXA1 recovers the BBB integrity in AD, the RhoA‐ROCK signaling pathway was examined in both Aβ42‐treated bEnd.3 cells and the capillaries of 5XFAD mice as RhoA was activated in both cases. RhoA inhibitors alleviated Aβ42‐induced BBB disruption and constitutively overexpressed RhoA‐GTP (active form of RhoA) attenuated the protective effect of ANXA1. When pericytes were cocultured with bEnd.3 cells, Aβ42‐induced RhoA activation of bEnd.3 cells was inhibited by the secretion of ANXA1 from pericytes. Taken together, our results suggest that ANXA1 restores Aβ42‐induced BBB disruption through inhibition of RhoA‐ROCK signaling pathway and we propose ANXA1 as a therapeutic reagent, protecting against the breakdown of the BBB in AD.
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Affiliation(s)
- Jong-Chan Park
- Department of Biochemistry and Biomedical Sciences; College of Medicine; Seoul National University; Seoul 110-799 Korea
| | - Sung Hoon Baik
- Department of Biochemistry and Biomedical Sciences; College of Medicine; Seoul National University; Seoul 110-799 Korea
| | - Sun-Ho Han
- Department of Biochemistry and Biomedical Sciences; College of Medicine; Seoul National University; Seoul 110-799 Korea
| | - Hyun Jin Cho
- Department of Biochemistry and Biomedical Sciences; College of Medicine; Seoul National University; Seoul 110-799 Korea
| | - Hyunjung Choi
- Department of Biochemistry and Biomedical Sciences; College of Medicine; Seoul National University; Seoul 110-799 Korea
| | - Haeng Jun Kim
- Department of Biochemistry and Biomedical Sciences; College of Medicine; Seoul National University; Seoul 110-799 Korea
| | - Heesun Choi
- Department of Biochemistry and Biomedical Sciences; College of Medicine; Seoul National University; Seoul 110-799 Korea
| | - Wonik Lee
- Department of Biochemistry and Biomedical Sciences; College of Medicine; Seoul National University; Seoul 110-799 Korea
| | - Dong Kyu Kim
- Department of Biochemistry and Biomedical Sciences; College of Medicine; Seoul National University; Seoul 110-799 Korea
| | - Inhee Mook-Jung
- Department of Biochemistry and Biomedical Sciences; College of Medicine; Seoul National University; Seoul 110-799 Korea
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RhoA/mDia-1/profilin-1 signaling targets microvascular endothelial dysfunction in diabetic retinopathy. Graefes Arch Clin Exp Ophthalmol 2015; 253:669-80. [PMID: 25791356 DOI: 10.1007/s00417-015-2985-3] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2014] [Revised: 02/21/2015] [Accepted: 03/02/2015] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Diabetic retinopathy (DR) is a major cause of blindness in the working-age populations of developed countries, and effective treatments and prevention measures have long been the foci of study. Patients with DR invariably demonstrate impairments of the retinal microvascular endothelium. Many observational and preclinical studies have shown that angiogenesis and apoptosis play crucial roles in the pathogenesis of DR. Increasing evidence suggests that in DR, the small guanosine-5'-triphosphate-binding protein RhoA activates its downstream targets mammalian Diaphanous homolog 1 (mDia-1) and profilin-1, thus affecting important cellular functions, including cell morphology, motility, secretion, proliferation, and gene expression. However, the specific underlying mechanism of disease remains unclear. CONCLUSION This review focuses on the RhoA/mDia-1/profilin-1 signaling pathway that specifically triggers endothelial dysfunction in diabetic patients. Recently, RhoA and profilin-1 signaling has attracted a great deal of attention in the context of diabetes-related research. However, the precise molecular mechanism by which the RhoA/mDia-1/profilin-1 pathway is involved in progression of microvascular endothelial dysfunction (MVED) during DR has not been determined. This review briefly describes each feature of the cascade before exploring the most recent findings on how the pathway may trigger endothelial dysfunction in DR. When the underlying mechanisms are understood, novel therapies seeking to restore the endothelial homeostasis comprised in DR will become possible.
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Eisa-Beygi S, Wen XY. Could pharmacological curtailment of the RhoA/Rho-kinase pathway reverse the endothelial barrier dysfunction associated with Ebola virus infection? Antiviral Res 2014; 114:53-6. [PMID: 25512227 DOI: 10.1016/j.antiviral.2014.12.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2014] [Revised: 11/30/2014] [Accepted: 12/03/2014] [Indexed: 12/21/2022]
Abstract
Activation of the RhoA/Rho-kinase (ROCK) pathway induces endothelial barrier dysfunction and increased vascular permeability, which is a hallmark of various life-threatening vascular pathologies. Therapeutic approaches aimed at inhibiting the RhoA/ROCK pathway have proven effective in the attenuation of vascular leakage observed in animal models of endotoxin-induced lung injury/sepsis, edema, autoimmune disorders, and stroke. These findings suggest that treatments targeting the ROCK pathway might be of benefit in the management of the Ebola virus disease (EVD), which is characterized by severe vascular leak, likely involving pro-inflammatory cytokines, such as tumor necrosis factor-alpha, released from virus-infected macrophages. In this paper, we review evidence from in vivo and in vitro models of vascular leakage, suggesting that the RhoA/ROCK pathway is an important therapeutic target for the reversal of the vascular permeability defects associated with EVD. Future studies should explore the efficacy of pharmacological inhibition of RhoA/ROCK pathway on reversing the endothelial barrier dysfunction in animal models of EVD and other hemorrhagic fever virus infections as part of an adjunctive therapy. Such experimental studies should focus, in particular, on the small molecule fasudil (HA-1077), a derivative of isoquinoline, which is a safe and clinically approved inhibitor of ROCK, making it an excellent candidate in this context.
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Affiliation(s)
- Shahram Eisa-Beygi
- Program in Development and Stem Cell Biology, The Hospital for Sick Children, Toronto, ON, Canada.
| | - Xiao-Yan Wen
- Keenan Research Centre for Biomedical Science and the Li Ka Shing Knowledge Institute of St. Michael's Hospital, Canada; Institute of Medical Science, University of Toronto, Toronto, Ontario, Canada
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Cornet AD, van Nieuw Amerongen GP, Beishuizen A, Schultz MJ, Girbes AR, Groeneveld AJ. Activated protein C in the treatment of acute lung injury and acute respiratory distress syndrome. Expert Opin Drug Discov 2013; 4:219-27. [PMID: 23489122 DOI: 10.1517/17460440902721204] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
BACKGROUND Acute lung injury (ALI) and acute respiratory distress syndrome (ARDS) frequently necessitate mechanical ventilation in the intensive care unit. The syndromes have a high mortality rate and there is at present no treatment specifically directed at the underlying pathogenesis. Central in the pathophysiology of ALI/ARDS is alveolocapillary inflammation leading to permeability edema. As a result of the crosstalk between inflammation and coagulation, activation of proinflammatory and procoagulant/antifibrinolytic pathways contributes to disruption of the endothelial barrier. Protein C (PC) plays a central role in maintaining the equilibrium between coagulation and inflammation. Additionally, natural anticoagulants, such as PC, are depleted, both in blood as well as in the lung. Therefore, the PC system is of interest as a therapeutic target in patients with ALI/ARDS. METHOD This review is based on a Medline search of relevant basic and clinical studies. OBJECTIVE It discusses the potential role of activated PC in modulating the proinflammatory/procoagulant state for enhancing endothelial barrier function in animal models and human ALI/ARDS.
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Affiliation(s)
- Alexander D Cornet
- Department of Intensive Care, VU University Medical Center, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands +31 20 4443933 ; +31 20 4442392 ;
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14
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Griffiths GS, Grundl M, Allen JS, Matter ML. R-Ras interacts with filamin a to maintain endothelial barrier function. J Cell Physiol 2011; 226:2287-96. [PMID: 21660952 DOI: 10.1002/jcp.22565] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The molecular mechanisms regulating vascular barrier integrity remain incompletely elucidated. We have previously reported an association between the GTPase R-Ras and repeat 3 of Filamin A (FLNa). Loss of FLNa has been linked to increased vascular permeability. We sought to determine whether FLNa's association with R-Ras affects endothelial barrier function. We report that in endothelial cells endogenous R-Ras interacts with endogenous FLNa as determined by co-immunoprecipitations and pulldowns with the FLNa-GST fusion protein repeats 1-10. Deletion of FLNa repeat 3 (FLNaΔ3) abrogated this interaction. In these cells FLNa and R-Ras co-localize at the plasma membrane. Knockdown of R-Ras and/or FLNa by siRNA promotes vascular permeability, as determined by TransEndothelial Electrical Resistance and FITC-dextran transwell assays. Re-expression of FLNa restored endothelial barrier function in cells lacking FLNa whereas re-expression of FLNaΔ3 did not. Immunostaining for VE-Cadherin in cells with knocked down R-Ras and FLNa demonstrated a disorganization of VE-Cadherin at adherens junctions. Loss of R-Ras and FLNa or blocking R-Ras function via GGTI-2133, a selective R-Ras inhibitor, induced vascular permeability and increased phosphorylation of VE-Cadherin (Y731) and Src (Y416). Expression of dominant negative R-Ras promoted vascular permeability that was blocked by the Src inhibitor PP2. These findings demonstrate that maintaining endothelial barrier function is dependent upon active R-Ras and association between R-Ras and FLNa and that loss of this interaction promotes VE-Cadherin phosphorylation and changes in downstream effectors that lead to endothelial leakiness.
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Affiliation(s)
- G S Griffiths
- Department of Cell and Molecular Biology, Cardiovascular Research Center and the John A Burns School of Medicine, University of Hawaii at Manoa, Honolulu, Hawaii 96813, USA
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15
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Guo M, Daines D, Tang J, Shen Q, Perrin RM, Takada Y, Yuan SY, Wu MH. Fibrinogen-gamma C-terminal fragments induce endothelial barrier dysfunction and microvascular leak via integrin-mediated and RhoA-dependent mechanism. Arterioscler Thromb Vasc Biol 2009; 29:394-400. [PMID: 19122172 DOI: 10.1161/atvbaha.108.180950] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
OBJECTIVES The purposes of this study were to characterize the direct effect of the C-terminal fragment of fibrinogen gamma chain (gammaC) on microvascular endothelial permeability and to examine its molecular mechanism of action. METHODS AND RESULTS Intravital microscopy was performed to measure albumin extravasation in intact mesenteric microvasculature, followed by quantification of hydraulic conductivity in single perfused microvessels. Transendothelial electric resistance was measured in microvascular endothelial cells in combination with immunoblotting and immunocytochemistry. The results show that gammaC induced time- and concentration-dependent increases in protein transvascular flux and water permeability and decreases in endothelial barrier function, coupled with Rho GTPase activation, myosin light chain phosphorylation, and stress fiber formation. Depletion of RhoA via siRNA knockdown or pharmacological inhibition of RhoA signaling attenuated gammaC-induced barrier dysfunction. Imaging analyses demonstrated binding of gammaC to endothelial cells; the interaction was inhibited during blockage of the alphavbeta3 integrin. Furthermore, in vivo experiments showed that the microvascular leak response to gammaC was attenuated in integrin beta3(-/-) animals. CONCLUSION Fibrinogen-gamma C terminus directly interacts with the microvascular endothelium causing fluid and protein leak. The endothelial response to gammaC involves an integrin receptor-mediated RhoA-dependent signaling pathway that leads to paracellular hyperpermeability.
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Affiliation(s)
- Mingzhang Guo
- Division of Research, Department of Surgery, University of California Davis School of Medicine, Sacramento, CA 95817, USA
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Vandenbroucke E, Mehta D, Minshall R, Malik AB. Regulation of endothelial junctional permeability. Ann N Y Acad Sci 2008; 1123:134-45. [PMID: 18375586 DOI: 10.1196/annals.1420.016] [Citation(s) in RCA: 432] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
The endothelium is a semi-permeable barrier that regulates the flux of liquid and solutes, including plasma proteins, between the blood and surrounding tissue. The permeability of the vascular barrier can be modified in response to specific stimuli acting on endothelial cells. Transport across the endothelium can occur via two different pathways: through the endothelial cell (transcellular) or between adjacent cells, through interendothelial junctions (paracellular). This review focuses on the regulation of the paracellular pathway. The paracellular pathway is composed of adhesive junctions between endothelial cells, both tight junctions and adherens junctions. The actin cytoskeleton is bound to each junction and controls the integrity of each through actin remodeling. These interendothelial junctions can be disassembled or assembled to either increase or decrease paracellular permeability. Mediators, such as thrombin, TNF-alpha, and LPS, stimulate their respective receptor on endothelial cells to initiate signaling that increases cytosolic Ca2+ and activates myosin light chain kinase (MLCK), as well as monomeric GTPases RhoA, Rac1, and Cdc42. Ca2+ activation of MLCK and RhoA disrupts junctions, whereas Rac1 and Cdc42 promote junctional assembly. Increased endothelial permeability can be reversed with "barrier stabilizing agents," such as sphingosine-1-phosphate and cyclic adenosine monophosphate (cAMP). This review provides an overview of the mechanisms that regulate paracellular permeability.
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Affiliation(s)
- Emily Vandenbroucke
- Department of Pharmacology and Center for Lung and Vascular Biology, The University of Illonois College of Medicine, Chicago, IL 60612, USA
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Gien J, Seedorf GJ, Balasubramaniam V, Tseng N, Markham N, Abman SH. Chronic intrauterine pulmonary hypertension increases endothelial cell Rho kinase activity and impairs angiogenesis in vitro. Am J Physiol Lung Cell Mol Physiol 2008; 295:L680-7. [PMID: 18621906 DOI: 10.1152/ajplung.00516.2007] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Persistent pulmonary hypertension of the newborn (PPHN) is characterized by endothelial dysfunction and decreased vascular growth. The role of Rho kinase activity in modulating endothelial function and regulating angiogenesis during normal lung development and in PPHN is unknown. We hypothesized that PPHN increases Rho kinase activity in fetal pulmonary artery endothelial cells (PAECs) and impairs angiogenesis in vitro. Proximal PAECs were harvested from fetal sheep with partial ligation of the ductus arteriosus in utero (PPHN) and age-matched controls. Rho kinase activity was measured by RhoA, Rho GTP, and phosphorylated MYPT-1 protein content. The effects of Rho kinase activity on angiogenesis, endothelial nitric oxide (NO) synthase (eNOS) protein expression, and NO production were determined in normal and PPHN PAECs. Angiogenesis was assessed by tube formation in vitro with/without Y-27632 (a Rho kinase inhibitor) and calpeptin (a Rho kinase activator) in the presence/absence of N-nitro-l-arginine (l-NA, an NOS inhibitor). RhoA, Rho GTP, and phosphorylated MYPT-1 protein were increased in PPHN PAECs. Tube formation was reduced 29% in PPHN PAECs (P < 0.001) and increased with Y-27632 treatment in normal and PPHN PAECs, with PPHN PAECs achieving levels similar to those of normal PAECs. l-NA inhibited the Y-27632-induced increase in tube formation in normal, but not PPHN, PAECs. Calpeptin reduced tube formation in normal and PPHN PAECs. eNOS expression was reduced 42% in PPHN PAECs (P < 0.01). Y-27632 increased eNOS protein and NO production in normal and PPHN PAECs. Calpeptin decreased eNOS protein only in normal PAECs but reduced NO production in normal and PPHN PAECs. We conclude that Rho kinase activity is increased in PPHN PAECs and impairs angiogenesis and downregulates eNOS protein and NO production in vitro.
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Affiliation(s)
- Jason Gien
- Department of Pediatrics, University of Colorado School of Medicine, Denver, CO, USA.
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Abstract
PURPOSE OF REVIEW Regulation of endothelial barrier function is critical for vascular homeostasis, as dynamic and local control of vascular permeability permits macromolecular transport, immune surveillance, and deposition of a fibrin barrier to contain infection at sites of inflammation. Many of the signaling pathways promoting useful vascular permeability, however, are also triggered during disease, resulting in prolonged or uncontrolled vascular leak. Hyperpermeability triggered by inflammation or ischemia in the heart, brain, or lung promotes edema, exacerbates disease progression, and impairs recovery. During cancer, solid tumors release factors that promote the growth of leaky blood vessels which contribute to metastatic spread and limit targeted delivery of anticancer agents. RECENT FINDINGS Although the molecular mechanisms governing vascular leak have been studied intensely over the last few decades, recent advances have identified new therapeutic targets that have begun to show preclinical and clinical promise. These approaches have been recently applied with success to an increasing number of disease models. SUMMARY Designing new therapies to limit vascular leak during the progression of disease requires a more complete understanding of the molecular mechanisms governing the endothelial barrier function. This knowledge will benefit the treatment of a growing number of diseases from cardiovascular disease to cancer.
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Katoh K, Kano Y, Ookawara S. Role of stress fibers and focal adhesions as a mediator for mechano-signal transduction in endothelial cells in situ. Vasc Health Risk Manag 2008; 4:1273-82. [PMID: 19337541 PMCID: PMC2663434 DOI: 10.2147/vhrm.s3933] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Fluid shear stress is the mechanical force generated by the blood flow which is applied over the apical surface of endothelial cells in situ. The findings of a recent study suggest that stress fibers and its associated focal adhesions play roles in mechano-signal transduction mechanism. Stress fibers are present along the apical and the basal portion of the endothelial cells. Endothelial cells respond to fluid shear stress and change their morphological characteristics in both their cell shape and cytoskeletal organization. Atherosclerosis is a common disease of the arteries and it occurs in areas around the branching site of blood vessels where the cells are exposed to low fluid shear stress. The organization of stress fibers and focal adhesions are strongly influenced by shear stress, and therefore the generation of atherosclerotic lesions seem to be associated with the cytoskeletal components of endothelial cells. This review describes the possible role of the cytoskeleton as a mechano-transducer in endothelial cells in situ.
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Affiliation(s)
- Kazuo Katoh
- Department of Anatomy, School, of Medicine, Jichi Medical University, Yakushiji, Shimotsuke-city, Tochigi, Japan.
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