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Russell JJ, Mummidi S, DeMarco VG, Grisanti LA, Bailey CA, Bender SB, Chandrasekar B. Integrated miRNA-mRNA networks underlie attenuation of chronic β-adrenergic stimulation-induced cardiac remodeling by minocycline. Physiol Genomics 2024; 56:360-366. [PMID: 38314697 PMCID: PMC11283891 DOI: 10.1152/physiolgenomics.00140.2023] [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: 11/14/2023] [Revised: 01/18/2024] [Accepted: 02/01/2024] [Indexed: 02/07/2024] Open
Abstract
Adverse cardiac remodeling contributes to heart failure development and progression, partly due to inappropriate sympathetic nervous system activation. Although β-adrenergic receptor (β-AR) blockade is a common heart failure therapy, not all patients respond, prompting exploration of alternative treatments. Minocycline, an FDA-approved antibiotic, has pleiotropic properties beyond antimicrobial action. Recent evidence suggests it may alter gene expression via changes in miRNA expression. Thus, we hypothesized that minocycline could prevent adverse cardiac remodeling induced by the β-AR agonist isoproterenol, involving miRNA-mRNA transcriptome alterations. Male C57BL/6J mice received isoproterenol (30 mg/kg/day sc) or vehicle via osmotic minipump for 21 days, along with daily minocycline (50 mg/kg ip) or sterile saline. Isoproterenol induced cardiac hypertrophy without altering cardiac function, which minocycline prevented. Total mRNA sequencing revealed isoproterenol altering gene networks associated with inflammation and metabolism, with fibrosis activation predicted by integrated miRNA-mRNA sequencing, involving miR-21, miR-30a, miR-34a, miR-92a, and miR-150, among others. Conversely, the cardiac miRNA-mRNA transcriptome predicted fibrosis inhibition in minocycline-treated mice, involving antifibrotic shifts in Atf3 and Itgb6 gene expression associated with miR-194 upregulation. Picrosirius red staining confirmed isoproterenol-induced cardiac fibrosis, prevented by minocycline. These results demonstrate minocycline's therapeutic potential in attenuating adverse cardiac remodeling through miRNA-mRNA-dependent mechanisms, especially in reducing cardiac fibrosis. NEW & NOTEWORTHY We demonstrate that minocycline treatment prevents cardiac hypertrophy and fibrotic remodeling induced by chronic β-adrenergic stimulation by inducing antifibrotic shifts in the cardiac miRNA-mRNA transcriptome.
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Affiliation(s)
- Jacob J Russell
- Biomedical Sciences, University of Missouri, Columbia, Missouri, United States
- Research Service, Harry S. Truman Memorial Veterans Hospital, Columbia, Missouri, United States
| | - Srinivas Mummidi
- Health and Behavior Sciences, Texas A&M University-San Antonio, San Antonio, Texas, United States
| | - Vincent G DeMarco
- Research Service, Harry S. Truman Memorial Veterans Hospital, Columbia, Missouri, United States
- Medicine, University of Missouri School of Medicine, Columbia, Missouri, United States
| | - Laurel A Grisanti
- Biomedical Sciences, University of Missouri, Columbia, Missouri, United States
| | - Chastidy A Bailey
- Biomedical Sciences, University of Missouri, Columbia, Missouri, United States
- Research Service, Harry S. Truman Memorial Veterans Hospital, Columbia, Missouri, United States
| | - Shawn B Bender
- Biomedical Sciences, University of Missouri, Columbia, Missouri, United States
- Research Service, Harry S. Truman Memorial Veterans Hospital, Columbia, Missouri, United States
- Dalton Cardiovascular Center, University of Missouri, Columbia, Missouri, United States
| | - Bysani Chandrasekar
- Research Service, Harry S. Truman Memorial Veterans Hospital, Columbia, Missouri, United States
- Medicine, University of Missouri School of Medicine, Columbia, Missouri, United States
- Medical Pharmacology and Physiology, University of Missouri School of Medicine, Columbia, Missouri, United States
- Dalton Cardiovascular Center, University of Missouri, Columbia, Missouri, United States
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Wu YD, Jiang HJ, Zhou HH, Xu JY, Liu Q, Sun XH, Wu YH, Lin ZY. PRP significantly promotes the adhesion and migration of vascular smooth muscle cells on stent material. Eur J Med Res 2023; 28:581. [PMID: 38071348 PMCID: PMC10710707 DOI: 10.1186/s40001-023-01541-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Accepted: 11/20/2023] [Indexed: 12/18/2023] Open
Abstract
BACKGROUND The adhesion and survival state of cells on scaffold material is a major problem in tissue-engineered blood vessel (TEBV) culture. Platelet-rich plasma (PRP) contains a large amount of biologically active factors and fibrin, which is expected to play an important role in TEBV culture. PURPOSE To combine PRP with cells and scaffold material to promote cell adhesion and biological activity on the scaffold material. METHODS The adhesion status and migration of SMCs under the optimal concentration suitable for SMC growth and the optimal concentration of PRP were examined by scanning electron microscopy, HE staining, CCK-8 assays, qPCR, WB, and other experimental methods and compared with those under the conventional culture (20% FBS); finally, the effect of PRP on the deposition of ECM in vascular tissue engineering culture was verified by three-dimensional culture. RESULTS PRP at 20% is a suitable concentration for SMCs. Compared with the control group, the 20% PRP group had better migration, and the number of SMC adhesions was significantly higher than that of the control group. In addition, collagen deposition in the experimental group was significantly higher than that in the control group. CONCLUSION PRP (20%) can promote SMC adhesion, migration, and collagen deposition on the scaffold material.
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Affiliation(s)
- Yin-Di Wu
- School of Medicine, South China University of Technology, Guangzhou, 510006, Guangdong, China
- Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences, Guangdong Academy of Medical Sciences), South Medical University, Guangzhou, 510080, Guangdong, China
| | - Hong-Jing Jiang
- School of Medicine, South China University of Technology, Guangzhou, 510006, Guangdong, China
- Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences, Guangdong Academy of Medical Sciences), South Medical University, Guangzhou, 510080, Guangdong, China
| | - Hao-Hao Zhou
- Ji Hua Institute of Biomedical Engineering Technology, Ji Hua Laboratory, Foshan, 528200, Guangdong, China
| | - Jian-Yi Xu
- School of Medicine, South China University of Technology, Guangzhou, 510006, Guangdong, China
| | - Qing Liu
- School of Biological Sciences and Engineering, South China University of Technology, Guangzhou, 510006, Guangdong, China
| | - Xu-Heng Sun
- School of Medicine, South China University of Technology, Guangzhou, 510006, Guangdong, China
| | - Yue-Heng Wu
- Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences, Guangdong Academy of Medical Sciences), South Medical University, Guangzhou, 510080, Guangdong, China
| | - Zhan-Yi Lin
- School of Medicine, South China University of Technology, Guangzhou, 510006, Guangdong, China.
- Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences, Guangdong Academy of Medical Sciences), South Medical University, Guangzhou, 510080, Guangdong, China.
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Chandrasekar B, Mummidi S, DeMarco VG, Higashi Y. Empagliflozin Reverses Oxidized LDL-Induced RECK Suppression, Cardiotrophin-1 Expression, MMP Activation, and Human Aortic Smooth Muscle Cell Proliferation and Migration. Mediators Inflamm 2023; 2023:6112301. [PMID: 37830075 PMCID: PMC10567511 DOI: 10.1155/2023/6112301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 09/04/2023] [Accepted: 09/07/2023] [Indexed: 10/14/2023] Open
Abstract
Persistent oxidative stress and inflammation contribute causally to smooth muscle cell (SMC) proliferation and migration, the characteristic features of vascular proliferative diseases. Oxidatively modified low-density lipoproteins (OxLDL) elevate oxidative stress levels, inflammatory responses, and matrix metallopeptidase (MMP) activation, resulting ultimately in SMC migration, proliferation, and phenotype change. Reversion-inducing cysteine-rich protein with Kazal motifs (RECK) is a membrane-anchored MMP inhibitor. Empagliflozin is an SGLT2 inhibitor and exerts pleiotropic cardiovascular protective effects, including antioxidant and anti-inflammatory effects. Here, we investigated (i) whether OxLDL regulates RECK expression, (ii) whether ectopic expression of RECK reverses OxLDL-induced SMC migration and proliferation, and (iii) whether pretreatment with empagliflozin reverses OxLDL-induced RECK suppression, MMP activation, and SMC migration, proliferation, and differentiation. Indeed, results show that OxLDL at pathophysiological concentration promotes SMC migration and proliferation via NF-κB/miR-30b-dependent RECK suppression. Moreover, OxLDL changed the SMC phenotype to a more pro-inflammatory type, and this effect is blunted by RECK overexpression. Further, treatment with empagliflozin reversed OxLDL-induced miR-30b induction, RECK suppression, MMP activation, SMC migration, proliferation, and proinflammatory phenotype changes. OxLDL-induced cardiotrophin (CT)-1 expression and CT-1 stimulated SMC proliferation and migration in part via leukemia inhibitory factor receptor (LIFR) and glycoprotein 130 (gp130). Ectopic expression of RECK inhibited these effects by physically associating with LIFR and gp130, as evidenced by immunoprecipitation/immunoblotting and double immunofluorescence. Importantly, empagliflozin inhibited CT-1-induced mitogenic and migratory effects. Together, these results suggest the therapeutic potential of sustaining RECK expression or empagliflozin in vascular diseases characterized by SMC proliferation and migration.
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Affiliation(s)
- Bysani Chandrasekar
- Research Service, Harry S. Truman Memorial Veterans Hospital, Columbia, MO, USA
- Medicine, University of Missouri School of Medicine, Columbia, MO, USA
- Medical Pharmacology and Physiology, University of Missouri, Columbia, MO, USA
- Dalton Cardiovascular Center, University of Missouri, Columbia, MO, USA
| | - Srinivas Mummidi
- Life Sciences, Texas A&M University-San Antonio, San Antonio, TX, USA
| | - Vincent G. DeMarco
- Research Service, Harry S. Truman Memorial Veterans Hospital, Columbia, MO, USA
- Medicine, University of Missouri School of Medicine, Columbia, MO, USA
- Medical Pharmacology and Physiology, University of Missouri, Columbia, MO, USA
| | - Yusuke Higashi
- Medicine/Cardiology, Tulane University School of Medicine, New Orleans, LA, USA
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Chang W, Li Y, Liu F, Zang K, Zhang P, Qu S, Zhao J, Xue J. Isolation and Cultivation of Vascular Smooth Muscle Cells from the Mouse Circle of Willis. J Vasc Res 2023; 60:234-244. [PMID: 37643584 PMCID: PMC10614493 DOI: 10.1159/000532033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Accepted: 05/05/2023] [Indexed: 08/31/2023] Open
Abstract
INTRODUCTION Culturing cerebrovascular smooth muscle cells (CVSMCs) in vitro can provide a model for studying many cerebrovascular diseases. This study describes a convenient and efficient method to obtain mouse CVSMCs by enzyme digestion. METHODS Mouse circle of Willis was isolated, digested, and cultured with platelet-derived growth factor-BB (PDGF-BB) to promote CVSMC growth, and CVSMCs were identified by morphology, immunofluorescence analysis, and flow cytometry. The effect of PDGF-BB on vascular smooth muscle cell (VSMC) proliferation was evaluated by cell counting kit (CCK)-8 assay, morphological observations, Western blotting, and flow cytometry. RESULTS CVSMCs cultured in a PDGF-BB-free culture medium had a typical peak-to-valley growth pattern after approximately 14 days. Immunofluorescence staining and flow cytometry detected strong positive expression of the cell type-specific markers alpha-smooth muscle actin (α-SMA), smooth muscle myosin heavy chain 11 (SMMHC), smooth muscle protein 22 (SM22), calponin, and desmin. In the CCK-8 assay and Western blotting, cells incubated with PDGF-BB had significantly enhanced proliferation compared to those without PDGF-BB. CONCLUSION We obtained highly purified VSMCs from the mouse circle of Willis using simple methods, providing experimental materials for studying the pathogenesis and treatment of neurovascular diseases in vitro. Moreover, the experimental efficiency improved with PDGF-BB, shortening the cell cultivation period.
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Affiliation(s)
- Wei Chang
- Center for Aerospace Clinical Medicine, Department of Aerospace Medicine, Air Force Medical University, Xi’an, China
| | - Yajuan Li
- Center for Aerospace Clinical Medicine, Department of Aerospace Medicine, Air Force Medical University, Xi’an, China
| | - Fengzhou Liu
- Center for Aerospace Clinical Medicine, Department of Aerospace Medicine, Air Force Medical University, Xi’an, China
- Department of Aviation Medicine, Xijing Hospital, Air Force Medical University, Xi’an, China
| | - Kehai Zang
- Center for Aerospace Clinical Medicine, Department of Aerospace Medicine, Air Force Medical University, Xi’an, China
| | - Peiran Zhang
- Department of Biochemistry and Molecular Biology, Air Force Medical University, Xi’an, China
| | - Shuai Qu
- Center for Aerospace Clinical Medicine, Department of Aerospace Medicine, Air Force Medical University, Xi’an, China
| | - Jingyu Zhao
- Department of Aviation Medicine, Xijing Hospital, Air Force Medical University, Xi’an, China
| | - Junhui Xue
- Center for Aerospace Clinical Medicine, Department of Aerospace Medicine, Air Force Medical University, Xi’an, China
- Department of Aviation Medicine, Xijing Hospital, Air Force Medical University, Xi’an, China
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Hao H, Dai C, Han X, Li Y. A novel therapeutic strategy for alleviating atrial remodeling by targeting exosomal miRNAs in atrial fibrillation. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2022; 1869:119365. [PMID: 36167158 DOI: 10.1016/j.bbamcr.2022.119365] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Revised: 08/29/2022] [Accepted: 09/18/2022] [Indexed: 06/16/2023]
Abstract
Atrial fibrillation (AF) is one of the most frequent cardiac arrhythmias, and atrial remodeling is related to the progression of AF. Although several therapeutic approaches have been presented in recent years, the continuously increasing mortality rate suggests that more advanced strategies for treatment are urgently needed. Exosomes regulate pathological processes through intercellular communication mediated by microribonucleic acid (miRNA) in various cardiovascular diseases (CVDs). Exosomal miRNAs associated with signaling pathways have added more complexity to an already complex direct cell-to-cell interaction. Exosome delivery of miRNAs is involved in cardiac regeneration and cardiac protection. Recent studies have found that exosomes play a critical role in the diagnosis and treatment of cardiac fibrosis. By improving exosome stability and modifying surface epitopes, specific pharmaceutical agents can be supplied to improve tropism and targeting to cells and tissues in vivo. Exosomes harboring miRNAs may have clinical utility in cell-free therapeutic approaches and may serve as prognostic and diagnostic biomarkers for AF. Currently, limitations challenge pharmaceutic design, therapeutic utility and in vivo targeted delivery to patients. The aim of this article is to review the developmental features of AF associated with exosomal miRNAs and relate them to underlying mechanisms.
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Affiliation(s)
- Hongting Hao
- Department of Cardiology, the First Affiliated Hospital, Harbin Medical University, Harbin 150001, China
| | - Chenguang Dai
- Department of Cardiology, the First Affiliated Hospital, Harbin Medical University, Harbin 150001, China
| | - Xuejie Han
- Department of Cardiology, the First Affiliated Hospital, Harbin Medical University, Harbin 150001, China
| | - Yue Li
- Department of Cardiology, the First Affiliated Hospital, Harbin Medical University, Harbin 150001, China; NHC Key Laboratory of Cell Translation, Harbin Medical University, Heilongjiang 150001, China; Key Laboratory of Hepatosplenic Surgery, Harbin Medical University, Ministry of Education, Harbin 150001, China; Key Laboratory of Cardiac Diseases and Heart Failure, Harbin Medical University, Harbin 150001, China; Heilongjiang Key Laboratory for Metabolic Disorder & Cancer Related Cardiovascular Diseases, Harbin 150081, China; Institute of Metabolic Disease, Heilongjiang Academy of Medical Science, Harbin, China.
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Godinho-Pereira J, Lopes MD, Garcia AR, Botelho HM, Malhó R, Figueira I, Brito MA. A Drug Screening Reveals Minocycline Hydrochloride as a Therapeutic Option to Prevent Breast Cancer Cells Extravasation across the Blood-Brain Barrier. Biomedicines 2022; 10:1988. [PMID: 36009536 PMCID: PMC9405959 DOI: 10.3390/biomedicines10081988] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 08/04/2022] [Accepted: 08/08/2022] [Indexed: 11/23/2022] Open
Abstract
Among breast cancer (BC) patients, 15-25% develop BC brain metastases (BCBM), a severe condition due to the limited therapeutic options, which points to the need for preventive strategies. We aimed to find a drug able to boost blood-brain barrier (BBB) properties and prevent BC cells (BCCs) extravasation, among PI3K, HSP90, and EGFR inhibitors and approved drugs. We used BCCs (4T1) and BBB endothelial cells (b.End5) to identify molecules with toxicity to 4T1 cells and safe for b.End5 cells. Moreover, we used those cells in mixed cultures to perform a high-throughput microscopy screening of drugs' ability to ameliorate BBB properties and prevent BCCs adhesion and migration across the endothelium, as well as to analyse miRNAs expression and release profiles. KW-2478, buparlisib, and minocycline hydrochloride (MH) promoted maximal expression of the junctional protein β-catenin and induced 4T1 cells nucleus changes. Buparlisib and MH further decreased 4T1 adhesion. MH was the most promising in preventing 4T1 migration and BBB disruption, tumour and endothelial cytoskeleton-associated proteins modifications, and miRNA deregulation. Our data revealed MH's ability to improve BBB properties, while compromising BCCs viability and interaction with BBB endothelial cells, besides restoring miRNAs' homeostasis, paving the way for MH repurposing for BCBM prevention.
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Affiliation(s)
- Joana Godinho-Pereira
- iMed—Research Institute for Medicines, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
- Department of Pharmaceutical Sciences and Medicines, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
| | - Margarida Dionísio Lopes
- iMed—Research Institute for Medicines, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
- Department of Pharmaceutical Sciences and Medicines, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
| | - Ana Rita Garcia
- iMed—Research Institute for Medicines, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
- Department of Pharmaceutical Sciences and Medicines, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
| | - Hugo M. Botelho
- BioISI—Biosystems and Integrative Sciences Institute, Faculty of Sciences, Universidade de Lisboa, Campo Grande, 1746-016 Lisbon, Portugal
| | - Rui Malhó
- BioISI—Biosystems and Integrative Sciences Institute, Faculty of Sciences, Universidade de Lisboa, Campo Grande, 1746-016 Lisbon, Portugal
| | - Inês Figueira
- iMed—Research Institute for Medicines, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
- Farm-ID—Faculty of Pharmacy Association for Research and Development, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
| | - Maria Alexandra Brito
- iMed—Research Institute for Medicines, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
- Department of Pharmaceutical Sciences and Medicines, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisbon, Portugal
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Analysis on Value of Applying Serum miR-144 and miR-221 Levels in Diagnosing Atherosclerosis. JOURNAL OF HEALTHCARE ENGINEERING 2022; 2022:2261854. [PMID: 35126910 PMCID: PMC8808211 DOI: 10.1155/2022/2261854] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 12/24/2021] [Accepted: 12/31/2021] [Indexed: 12/04/2022]
Abstract
OBJECTIVE To explore the value of serum miR-144 and miR-221 in diagnosing atherosclerosis (AS). METHODS The clinical data of 52 AS patients treated in the department of cardiovascular medicine of our hospital from August 2019 to August 2020 were retrospectively analyzed, and 53 healthy persons were selected from the physical examination center at the same period as the control group. By measuring the indicators including the serum vascular endothelial growth factor (VEGF), superoxide dismutase (SOD), miR-144, and miR-221 in patients of both groups, their value of diagnosing AS was analyzed. RESULTS Compared with the control group, the AS group obtained significantly higher serum miR-221 and miR-144 expression levels (P < 0.001), significantly higher mean serum homocysteine (Hcy) level value (P < 0.001), lower mean serum SOD level (P < 0.001), and significantly higher level values of serum VEGF, nuclear factor-kappaB (NF-kB), and transforming growth factor-β (TGF-β) (P < 0.001), and the area under ROC curve, sensitivity, and specificity of combining miR-221 with miR-144 were significantly higher than those of single diagnosis. CONCLUSION Serum miR-221 and miR-144 expression levels are increased in AS patients, and combining the two indicators in diagnosis is more accurate and can provide an accurate basis for diagnosis and condition assessment of AS.
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Xu D, Dai R, Chi H, Ge W, Rong J. Long Non-Coding RNA MEG8 Suppresses Hypoxia-Induced Excessive Proliferation, Migration and Inflammation of Vascular Smooth Muscle Cells by Regulation of the miR-195-5p/RECK Axis. Front Mol Biosci 2021; 8:697273. [PMID: 34790697 PMCID: PMC8592128 DOI: 10.3389/fmolb.2021.697273] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Accepted: 09/27/2021] [Indexed: 12/14/2022] Open
Abstract
It has been recognized that rebalancing the abnormal proliferation and migration of vascular smooth muscle cells (VSMCs) helps relieve vascular injury. Presently, we aim to investigate whether long non-coding RNA (lncRNA) maternally expressed 8 (MEG8) plays a role in affecting the excessive proliferation and migration of VSMCs following hypoxia stimulation. A percutaneous transluminal angioplasty balloon dilatation catheter was adopted to establish vascular intimal injury, the levels of MEG8 and miR-195-5p in the carotid artery were tested by quantitative reverse transcription-polymerase chain reaction (qRT-PCR). Hypoxia was used to stimulate VSMCs, then the cell counting kit-8 (CCK-8) assay, Transnwell assay, and wound healing assay were conducted to evaluate the proliferation, and migration of VSMCs. The protein levels of RECK (reversion inducing cysteine rich protein with kazal motifs), MMP (matrix metalloproteinase) 3/9/13, COX2 (cytochrome c oxidase subunit II), macrophage inflammatory protein (MIP)-1beta, VCAM-1 (vascular cell adhesion molecule 1), ICAM-1 (intercellular adhesion molecule 1), and HIF-1α (hypoxia inducible factor 1 subunit alpha) were determined by western blot or cellular immunofluorescence. As the data showed, MEG8 was down-regulated in the carotid artery after balloon injury in rats and hypoxia-treated VSMCs, and miR-195-5p was overexpressed. Forced MEG8 overexpression or inhibiting miR-195-5p attenuated hypoxia-promoted cell proliferation and migration of VSMCs. In addition, miR-195-5p up-regulation reversed MEG8-mediated effects. Hypoxia hindered the RECK expression while boosted MMP3/9/13 levels, and the effect was markedly reversed with MEG8 up-regulation or miR-195-5p down-regulation. Mechanistically, MEG8 functioned as a competitive endogenous (ceRNA) by sponging miR-195-5p which targeted RECK. Moreover, the HIF-1α inhibitor PX478 prevented hypoxia-induced proliferation, and migration of VSMCs, upregulated MEG8, and restrained miR-195-5p expression. Overall, lncRNA MEG8 participated in hypoxia-induced excessive proliferation, inflammation and migration of VSMCs through the miR-195-5p/RECK axis.
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Affiliation(s)
- Dexing Xu
- Department of Cardiology, The First Hospital of Quanzhou Affiliated to Fujian Medical University, Quanzhou, China
| | - Ruozhu Dai
- Department of Cardiology, The First Hospital of Quanzhou Affiliated to Fujian Medical University, Quanzhou, China
| | - Hao Chi
- Department of Cardiothoracic Surgery, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Wen Ge
- Department of Cardiothoracic Surgery, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Jingfeng Rong
- Department of Cardiology, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
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The Physiological Role of Irisin in the Regulation of Muscle Glucose Homeostasis. ENDOCRINES 2021; 2:266-283. [PMID: 35392577 PMCID: PMC8986094 DOI: 10.3390/endocrines2030025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Irisin is a myokine that primarily targets adipose tissue, where it increases energy expenditure and contributes to the beneficial effects of exercise through the browning of white adipose tissue. As our knowledge has deepened in recent years, muscle has been found to be a major target organ for irisin as well. Several studies have attempted to characterize the role of irisin in muscle to improve glucose metabolism through mechanisms such as reducing insulin resistance. Although they are very intriguing reports, some contradictory results make it difficult to grasp the whole picture of the action of irisin on muscle. In this review, we attempted to organize the current knowledge of the role of irisin in muscle glucose metabolism. We discussed the direct effects of irisin on glucose metabolism in three types of muscle, that is, skeletal muscle, smooth muscle, and the myocardium. We also describe irisin’s effects on mitochondria and its interactions with other hormones. Furthermore, to consider the relationship between the irisin-induced improvement of glucose metabolism in muscle and systemic disorders of glucose metabolism, we reviewed the results from animal interventional studies and human clinical studies.
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The platelet derived growth factor BB promotes osteogenic differentiation of periodontal ligament stem cells via the Wnt/β-catenin signaling pathway. Arch Oral Biol 2021; 129:105162. [PMID: 34087681 DOI: 10.1016/j.archoralbio.2021.105162] [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: 02/01/2021] [Revised: 05/18/2021] [Accepted: 05/18/2021] [Indexed: 11/23/2022]
Abstract
OBJECTIVE To determine the role of platelet derived growth factor BB in the regulation of cell cycle, migration and differentiation of stem cells. DESIGN The gene was overexpressed in periodontal ligament stem cells using lentiviral vectors. Normal stem cells and empty lentiviral vectors-transfected were used as controls. Real time-PCR, western blotting, Cell Counting Kit-8 assay, flow cytometry, cell scratch test, Alkaline phosphatase activity assay, cell cycle analyses were conducted to assess the biological properties of stem cells. In addition, the effect of platelet derived growth factor BB on the Wnt/β-catenin signaling pathway were assessed by western blotting and immunofluorescent staining. RESULTS The gene was successfully overexpressed in periodontal ligament stem cells. The Cell Counting Kit-8, scratch test and cell cycle experiments proved that platelet derived growth factor BB promoted stem cells proliferation, migration and cell cycle progression. The Real time-PCR results showed that the Osterix (OSX) and Bone Morphogenetic Protein 2 (BMP2) genes in the overexpression group were significantly higher than those in the control group, but the Peroxisome Proliferators-activated Receptors (PPARγ) and Glycogen Synthase Kinase-3β (GSK-3β) gene were lower than that in the control group. Western blotting results also indicated that the Collagen Type 1 (COL-1), BMP2, Wnt1 and β-catenin proteins were increased in the overexpression group. In addition, the expression level of β-catenin protein in the cell nuclei was higher than that in the control group. CONCLUSIONS In conclusion, overexpression of platelet derived growth factor BB promoted cell proliferation, migration, cell cycle progression and decreased adipogenic differentiation. Furthermore, platelet derived growth factor BB regulated osteogenic differentiation of stem cells through the Wnt/β-catenin signaling pathway.
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Russell JJ, Grisanti LA, Brown SM, Bailey CA, Bender SB, Chandrasekar B. Reversion inducing cysteine rich protein with Kazal motifs and cardiovascular diseases: The RECKlessness of adverse remodeling. Cell Signal 2021; 83:109993. [PMID: 33781845 DOI: 10.1016/j.cellsig.2021.109993] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 03/23/2021] [Accepted: 03/24/2021] [Indexed: 12/19/2022]
Abstract
The Reversion Inducing Cysteine Rich Protein With Kazal Motifs (RECK) is a glycosylphosphatidylinositol (GPI) anchored membrane-bound regulator of matrix metalloproteinases (MMPs). It is expressed throughout the body and plays a role in extracellular matrix (ECM) homeostasis and inflammation. In initial studies, RECK expression was found to be downregulated in various invasive cancers and associated with poor prognostic outcome. Restoring RECK, however, has been shown to reverse the metastatic phenotype. Downregulation of RECK expression is also reported in non-malignant diseases, such as periodontal disease, renal fibrosis, and myocardial fibrosis. As such, RECK induction has therapeutic potential in several chronic diseases. Mechanistically, RECK negatively regulates various matrixins involved in cell migration, proliferation, and adverse remodeling by targeting the expression and/or activation of multiple MMPs, A Disintegrin And Metalloproteinase Domain-Containing Proteins (ADAMs), and A Disintegrin And Metalloproteinase With Thrombospondin Motifs (ADAMTS). Outside of its role in remodeling, RECK has also been reported to exert anti-inflammatory effects. In cardiac diseases, for example, it has been shown to counteract several downstream effectors of Angiotensin II (Ang-II) that play a role in adverse cardiac and vascular remodeling, such as Interleukin-6 (IL-6)/IL-6 receptor (IL-6R)/glycoprotein 130 (IL-6 signal transducer) signaling and Epidermal Growth Factor Receptor (EGFR) transactivation. This review article focuses on the current understanding of the multifunctional effects of RECK and how its downregulation may contribute to adverse cardiovascular remodeling.
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Affiliation(s)
- Jacob J Russell
- Biomedical Sciences, University of Missouri, Columbia, MO, United States of America; Research Service, Harry S. Truman Memorial Veterans' Hospital, Columbia, MO, United States of America.
| | - Laurel A Grisanti
- Biomedical Sciences, University of Missouri, Columbia, MO, United States of America.
| | - Scott M Brown
- Biomedical Sciences, University of Missouri, Columbia, MO, United States of America; Research Service, Harry S. Truman Memorial Veterans' Hospital, Columbia, MO, United States of America.
| | - Chastidy A Bailey
- Biomedical Sciences, University of Missouri, Columbia, MO, United States of America; Research Service, Harry S. Truman Memorial Veterans' Hospital, Columbia, MO, United States of America.
| | - Shawn B Bender
- Biomedical Sciences, University of Missouri, Columbia, MO, United States of America; Research Service, Harry S. Truman Memorial Veterans' Hospital, Columbia, MO, United States of America; Dalton Cardiovascular Center, University of Missouri, Columbia, MO, United States of America.
| | - B Chandrasekar
- Research Service, Harry S. Truman Memorial Veterans' Hospital, Columbia, MO, United States of America; Medicine, University of Missouri School of Medicine, Columbia, MO, United States of America; Medical Pharmacology and Physiology, University of Missouri, Columbia, MO, United States of America; Dalton Cardiovascular Center, University of Missouri, Columbia, MO, United States of America.
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12
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Sukhanov S, Higashi Y, Yoshida T, Mummidi S, Aroor AR, Jeffrey Russell J, Bender SB, DeMarco VG, Chandrasekar B. The SGLT2 inhibitor Empagliflozin attenuates interleukin-17A-induced human aortic smooth muscle cell proliferation and migration by targeting TRAF3IP2/ROS/NLRP3/Caspase-1-dependent IL-1β and IL-18 secretion. Cell Signal 2021; 77:109825. [PMID: 33160017 PMCID: PMC8118186 DOI: 10.1016/j.cellsig.2020.109825] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 11/02/2020] [Accepted: 11/03/2020] [Indexed: 02/07/2023]
Abstract
Chronic inflammation and persistent oxidative stress contribute to the development and progression of vascular proliferative diseases. We hypothesized that the proinflammatory cytokine interleukin (IL)-17A induces oxidative stress and amplifies inflammatory signaling in human aortic smooth muscle cells (SMC) via TRAF3IP2-mediated NLRP3/caspase-1-dependent mitogenic and migratory proinflammatory cytokines IL-1β and IL-18. Further, we hypothesized that these maladaptive changes are prevented by empagliflozin (EMPA), an SGLT2 (Sodium/Glucose Cotransporter 2) inhibitor. Supporting our hypotheses, exposure of cultured SMC to IL-17A promoted proliferation and migration via TRAF3IP2, TRAF3IP2-dependent superoxide and hydrogen peroxide production, NLRP3 expression, caspase-1 activation, and IL-1β and IL-18 secretion. Furthermore, NLRP3 knockdown, caspase-1 inhibition, and pretreatment with IL-1β and IL-18 neutralizing antibodies and IL-18BP, each attenuated IL-17A-induced SMC migration and proliferation. Importantly, SMC express SGLT2, and pre-treatment with EMPA attenuated IL-17A/TRAF3IP2-dependent oxidative stress, NLRP3 expression, caspase-1 activation, IL-1β and IL-18 secretion, and SMC proliferation and migration. Importantly, silencing SGLT2 attenuated EMPA-mediated inhibition of IL-17A-induced cytokine secretion and SMC proliferation and migration. EMPA exerted these beneficial antioxidant, anti-inflammatory, anti-mitogenic and anti-migratory effects under normal glucose conditions and without inducing cell death. These results suggest the therapeutic potential of EMPA in vascular proliferative diseases.
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Affiliation(s)
- Sergiy Sukhanov
- Medicine, Tulane University School of Medicine, New Orleans, LA, USA.
| | - Yusuke Higashi
- Medicine, Tulane University School of Medicine, New Orleans, LA, USA.
| | - Tadashi Yoshida
- Medicine, Tulane University School of Medicine, New Orleans, LA, USA.
| | - Srinivas Mummidi
- Department of Human Genetics, South Texas Diabetes and Obesity Institute, The University of Texas Rio Grande Valley School of Medicine, Edinburg, TX, USA.
| | - Annayya R Aroor
- Research Service, Harry S. Truman Memorial Veterans Hospital, Columbia, MO, USA; Department of Medicine, University of Missouri School of Medicine, Columbia, MO, USA.
| | - Jacob Jeffrey Russell
- Research Service, Harry S. Truman Memorial Veterans Hospital, Columbia, MO, USA; Biomedical Sciences, University of Missouri, Columbia, MO 65211, USA.
| | - Shawn B Bender
- Research Service, Harry S. Truman Memorial Veterans Hospital, Columbia, MO, USA; Biomedical Sciences, University of Missouri, Columbia, MO 65211, USA; Dalton Cardiovascular Center, University of Missouri, Columbia, MO, USA.
| | - Vincent G DeMarco
- Research Service, Harry S. Truman Memorial Veterans Hospital, Columbia, MO, USA; Department of Medicine, University of Missouri School of Medicine, Columbia, MO, USA; Dalton Cardiovascular Center, University of Missouri, Columbia, MO, USA; Medical Pharmacology and Physiology, University of Missouri, Columbia, MO, USA.
| | - Bysani Chandrasekar
- Research Service, Harry S. Truman Memorial Veterans Hospital, Columbia, MO, USA; Department of Medicine, University of Missouri School of Medicine, Columbia, MO, USA; Dalton Cardiovascular Center, University of Missouri, Columbia, MO, USA; Medical Pharmacology and Physiology, University of Missouri, Columbia, MO, USA.
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13
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Afshari AR, Mollazadeh H, Sahebkar A. Minocycline in Treating Glioblastoma Multiforme: Far beyond a Conventional Antibiotic. JOURNAL OF ONCOLOGY 2020; 2020:8659802. [PMID: 33014057 PMCID: PMC7519463 DOI: 10.1155/2020/8659802] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 08/05/2020] [Accepted: 09/03/2020] [Indexed: 12/12/2022]
Abstract
One of the most lethal forms of CNS pathologies is glioblastoma multiforme (GBM) that represents high invasiveness, uncontrolled proliferation, and angiogenic features. Its invasiveness is responsible for the high recurrence even after maximal surgical interventions. Minocycline is a semisynthetic analog of tetracyclines with potential anti-inflammatory and anticancer effects, distinct from its antimicrobial activity. In this review, we highlight the importance and the cytotoxic mechanisms of minocycline on GBM pathophysiology. Considering the role of certain enzymes in autophagy, apoptosis, tumor cell invasion, and metastatic ability, the possible use of tetracyclines for cancer therapy should be investigated, especially GBM. The present study is, therefore, going to cover the main topics in minocycline pharmacology to date, encouraging its consideration as a new treatment approach for cancer and GBM.
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Affiliation(s)
- Amir R. Afshari
- Department of Physiology and Pharmacology, Faculty of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Hamid Mollazadeh
- Department of Physiology and Pharmacology, Faculty of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran
- Natural Products and Medicinal Plants Research Center, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Amirhossein Sahebkar
- Halal Research Center of IRI, FDA, Tehran, Iran
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
- Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
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14
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Zhang M, Li F, Pokharel S, Ma T, Wang X, Wang Y, Wang W, Lin R. Lycium barbarum polysaccharide protects against Homocysteine-induced Vascular smooth muscle cell proliferation and phenotypic transformation via PI3K/Akt pathway. J Mol Histol 2020; 51:629-637. [PMID: 32897463 DOI: 10.1007/s10735-020-09909-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Accepted: 08/24/2020] [Indexed: 10/23/2022]
Abstract
Lycium barbarum polysaccharide (LBP) is an alkaloid extracted from lycium barbarum. LBP is the active component of lycium barbarum used to treat hypertension, atherosclerosis and other cardiovascular diseases in Chinese traditional medicine. However, the underlying cellular and molecular mechanisms of LBP- mediated activity in vascular disease remain poorly understood. In the present study, we showed the protective effect of LBP in vascular smooth muscle cells. Our results indicate that LBP significantly reduces the proliferation of VSMCs caused by Homocysteine (Hcy) and inhibits the phenotypic transformation of VSMCs caused by Hcy, from contractile to synthetic. LBP inhibited the protein expression of PI3K and Akt caused by Hcy, and increased the expression of miR-145. The results indicate that LBP exhibits substantial therapeutic potential for the treatment of Hcy-induced VSMCs proliferation and phenotypic transformation through inhibition of PI3K/Akt signaling pathway.
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Affiliation(s)
- Minghao Zhang
- Department of Pharmacology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, Shaanxi, China.,School of Basic Medical Sciences, Ningxia Medical University, Yinchuan, 750004, China.,Key Laboratory of Metabolic Cardiovascular Diseases Research of National Health Commission, Ningxia Key Laboratory of Vascular Injury and Repair Research, Yinchuan, China
| | - Fan Li
- School of Basic Medical Sciences, Ningxia Medical University, Yinchuan, 750004, China.,Key Laboratory of Metabolic Cardiovascular Diseases Research of National Health Commission, Ningxia Key Laboratory of Vascular Injury and Repair Research, Yinchuan, China.,Sanqun Medical College, Xinxiang Medical University, Xinxiang, 453003, China
| | - Smritee Pokharel
- Biomanufacturing Research Institute and Technology Enterprise (BRITE), North Carolina Central University, Durham, NC, USA
| | - Ting Ma
- School of Basic Medical Sciences, Ningxia Medical University, Yinchuan, 750004, China.,Key Laboratory of Metabolic Cardiovascular Diseases Research of National Health Commission, Ningxia Key Laboratory of Vascular Injury and Repair Research, Yinchuan, China
| | - Xiuyu Wang
- School of Basic Medical Sciences, Ningxia Medical University, Yinchuan, 750004, China.,Key Laboratory of Metabolic Cardiovascular Diseases Research of National Health Commission, Ningxia Key Laboratory of Vascular Injury and Repair Research, Yinchuan, China
| | - Yiyong Wang
- Department of Cardiovascular Medicine, General Hospital of Ningxia Medical University, Yinchuan, 750004, China
| | - Weirong Wang
- Department of Medical Laboratory Animal Science, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, Shaanxi, China
| | - Rong Lin
- Department of Pharmacology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, Shaanxi, China.
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15
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Ren F, Fang Q, Xi H, Feng T, Wang L, Hu J. Platelet-derived growth factor-BB and epidermal growth factor promote dairy goat spermatogonial stem cells proliferation via Ras/ERK1/2 signaling pathway. Theriogenology 2020; 155:205-212. [PMID: 32721699 DOI: 10.1016/j.theriogenology.2020.06.012] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 06/02/2020] [Accepted: 06/13/2020] [Indexed: 02/09/2023]
Abstract
Spermatogonial stem cells (SSCs) have been used for the production of transgenic animals and for the recovery of male fertility. However, the proliferation of SSCs in vitro is still immature, and the mechanisms and pathways involved in the proliferation of SSCs are not clear. Here, the effects of platelet-derived growth factor-BB (PDGF-BB) and epidermal growth factor (EGF) on the proliferation of dairy goat SSCs in vitro were detected. The results showed that 20 ng/ml PDGF-BB or 25 ng/ml EGF was the optimum concentration, and that the BCL2 in the experimental groups was significantly higher than that in the control (P < 0.05), while BAX and BAD were dramatically downregulated (P < 0.05). The pERK1/2 in the experimental groups was about 3-5 times higher than that in the control. After the specific MEK1/2 inhibitor was added, BCL2 was reduced significantly (P < 0.001), while BAX and BAD were upregulated (P < 0.001). The expression of pERK1/2 decreased by 10%-30%. We speculated that these two growth factors may be mediated through the Ras/ERK1/2 signaling pathway to regulate the expression of pERK1/2 protein, and thus enhance the resistance of SSCs to apoptosis. However, further studies are needed to verify this hypothesis.
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Affiliation(s)
- Fa Ren
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China.
| | - Qian Fang
- School of Life Science and Biotechnology, Shanghai Jiao Tong University, Shanghai, 200240, China.
| | - Huaming Xi
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China.
| | - Tianyu Feng
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China.
| | - Liqiang Wang
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China.
| | - Jianhong Hu
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China.
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16
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Chen HC, Tseng YK, Shu CW, Fu TY, Liou HH, Huang CH, Chen CC, Wang JS, Wu PC, Ger LP, Hung WC, Liu PF. Prognostic role of RECK in pathological outcome-dependent buccal mucosa squamous cell carcinoma. Oral Dis 2019; 26:62-71. [PMID: 31618798 DOI: 10.1111/odi.13214] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 09/01/2019] [Accepted: 10/11/2019] [Indexed: 12/11/2022]
Abstract
BACKGROUND Buccal mucosal squamous cell carcinoma (BMSCC) is an aggressive oral cancer. Moreover, reversion-inducing cysteine-rich protein with Kazal motifs (RECK) is a well-known tumor suppressor in many cancers. Our aim was to investigate the association of RECK expression with prognosis in BMSCC patients with different clinicopathological features. MATERIALS AND METHODS The expression level of RECK was determined by immunohistochemistry using tissue microarrays containing specimens from 193 BMSCC patients. The association of RECK expression with outcomes in BMSCC patients stratified by different clinicopathological features was analyzed by Cox proportional hazards models. RESULTS The low expression level of RECK was associated with shorter disease-specific survival, especially in patients with age >40 years, moderate or poor cell differentiation, advanced pathological stage, and history of postoperative radiotherapy. However, the low expression level of RECK was not associated with poor disease-free survival, except in BMSCC patients with age ≦40 years, advanced pathological stage and lymph node metastasis. Furthermore, RECK-knockdowned cells showed higher cell viability and abilities of invasion/migration, indicating that RECK might be a tumor suppressor for tumor progression in oral cancer. CONCLUSION The low expression of RECK might be a potential prognostic biomarker for pathological outcome-dependent BMSCC patients.
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Affiliation(s)
- Hung-Chih Chen
- Department of Stomatology, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan.,Department of Dental Technology, Shu-Zen Junior College of Medicine and Management, Kaohsiung, Taiwan
| | - Yu-Kai Tseng
- Department of Orthopedics, Show Chwan Memorial Hospital, Changhua, Taiwan.,Department of Orthopedics, National Cheng Kung University Hospital, Tainan, Taiwan
| | - Chih-Wen Shu
- School of Medicine for International Students, I-Shou University, Kaohsiung, Taiwan
| | - Ting-Ying Fu
- Department of Pathology and Laboratory Medicine, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Huei-Han Liou
- Department of Medical Education and Research, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Cheng-Hui Huang
- Department of Otorhinolaryngology, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Chien-Chou Chen
- Department of Family Medicine, Zuoying Branch of Kaohsiung Armed Forces General Hospital, Kaohsiung, Taiwan
| | - Jyh-Seng Wang
- Department of Pathology and Laboratory Medicine, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan.,School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Pi-Chuang Wu
- Department of Nutrition, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Luo-Ping Ger
- Department of Medical Education and Research, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Wen-Chun Hung
- National Institute of Cancer Research, National Health Research Institutes, Tainan, Taiwan.,Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Pei-Feng Liu
- Department of Medical Education and Research, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan.,Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung, Taiwan.,Institute of Biomedical Sciences, National Sun Yat-sen University, Kaohsiung, Taiwan
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