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Hou CH, Chen WL, Lin CY. Targeting nerve growth factor-mediated osteosarcoma metastasis: mechanistic insights and therapeutic opportunities using larotrectinib. Cell Death Dis 2024; 15:381. [PMID: 38816365 PMCID: PMC11139949 DOI: 10.1038/s41419-024-06752-0] [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: 08/30/2023] [Revised: 05/10/2024] [Accepted: 05/15/2024] [Indexed: 06/01/2024]
Abstract
Osteosarcoma (OS) therapy presents numerous challenges, due largely to a low survival rate following metastasis onset. Nerve growth factor (NGF) has been implicated in the metastasis and progression of various cancers; however, the mechanism by which NGF promotes metastasis in osteosarcoma has yet to be elucidated. This study investigated the influence of NGF on the migration and metastasis of osteosarcoma patients (88 cases) as well as the underlying molecular mechanisms, based on RNA-sequencing and gene expression data from a public database (TARGET-OS). In osteosarcoma patients, the expression of NGF was significantly higher than that of other growth factors. This observation was confirmed in bone tissue arrays from 91 osteosarcoma patients, in which the expression levels of NGF and matrix metallopeptidase-2 (MMP-2) protein were significantly higher than in normal bone, and strongly correlated with tumor stage. In summary, NGF is positively correlated with MMP-2 in human osteosarcoma tissue and NGF promotes osteosarcoma cell metastasis by upregulating MMP-2 expression. In cellular experiments using human osteosarcoma cells (143B and MG63), NGF upregulated MMP-2 expression and promoted wound healing, cell migration, and cell invasion. Pre-treatment with MEK and ERK inhibitors or siRNA attenuated the effects of NGF on cell migration and invasion. Stimulation with NGF was shown to promote phosphorylation along the MEK/ERK signaling pathway and decrease the expression of microRNA-92a-1-5p (miR-92a-1-5p). In in vivo experiments involving an orthotopic mouse model, the overexpression of NGF enhanced the effects of NGF on lung metastasis. Note that larotrectinib (a tropomyosin kinase receptor) strongly inhibited the effect of NGF on lung metastasis. In conclusion, it appears that NGF promotes MMP-2-dependent cell migration by inhibiting the effects of miR-92a-1-5p via the MEK/ERK signaling cascade. Larotrectinib emerged as a potential drug for the treatment of NGF-mediated metastasis in osteosarcoma.
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Affiliation(s)
- Chun-Han Hou
- Department of Orthopedic Surgery, National Taiwan University Hospital, No. 1, Jen-Ai Road, Taipei, 100, Taiwan, ROC
| | - Wei-Li Chen
- Translational Medicine Center, Shin Kong Wu Ho-Su Memorial Hospital, Taipei, 111, Taiwan, ROC
| | - Chih-Yang Lin
- Translational Medicine Center, Shin Kong Wu Ho-Su Memorial Hospital, Taipei, 111, Taiwan, ROC.
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2
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Piening LM, Wachs RA. Matrix-Bound Nanovesicles: What Are They and What Do They Do? Cells Tissues Organs 2023; 212:111-123. [PMID: 35168230 DOI: 10.1159/000522575] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Accepted: 02/07/2022] [Indexed: 11/19/2022] Open
Abstract
Over the past 50 years, several different types of extracellular vesicles have been discovered including exosomes, microvesicles, and matrix vesicles. These vesicles are secreted by cells for specific purposes and contain cargo such as microRNA, cytokines, and lipids. A novel extracellular vesicle, the matrix-bound nanovesicle (MBV), has been recently discovered. The MBV is similar to the microvesicle, however, it is attached to the extracellular matrix, instead of being secreted. This review compares MBVs to other types of extracellular vesicles to try and better understand their origin and function. Further, this review will explain various extracellular vesicle isolation methods and how these can be used for MBVs and summarize characterization of MBV cargo such as microRNA, proteins, and lipids. Lastly, we will summarize the effects of MBVs on cells. MBVs are a novel class of extracellular vesicles that hold great promise as a platform for delivery of targeted gene and drug therapeutics.
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Affiliation(s)
- Logan M Piening
- Department of Biological Systems Engineering, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
| | - Rebecca A Wachs
- Department of Biological Systems Engineering, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
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3
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Xu L, Ma W, Jin Y, Sun X, Chen N, Zhu X, Luo J, Li C, Zhao K, Zheng Y, Yu D. N, N-dimethylformamide exposure induced liver abnormal mitophagy by targeting miR-92a-1-5p-BNIP3L pathway in vivo and vitro. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 839:156218. [PMID: 35623527 DOI: 10.1016/j.scitotenv.2022.156218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 05/17/2022] [Accepted: 05/21/2022] [Indexed: 06/15/2023]
Abstract
N, N-dimethylformamide (DMF) is a widely existing harmful environmental pollutant from industrial emission which can threat human health for both occupational and general populations. Epidemiological and experimental studies have indicated liver as the primary target organ of DMF. However, the molecular mechanism under DMF-induced hepatoxicity remains unclear. In the present study, we identified that DMF could induce abnormal autophagy flux in cells. We also showed that DMF-induced mitochondrial dysfunction and lethal mitophagy which further leads to autophagic cell death. Next, miRNA microarray analysis identified miR-92a-1-5p as the most down-regulated miRNA upon DMF exposure. Mechanistically, miR-92a-1-5p regulated mitochondrial function and mitophagy by targeting mitochondrial protein BNIP3L. Exogenous miR-92a-1-5p significantly attenuated DMF-induced mitochondrial dysfunction and mitophagy in vitro and in vivo. Our study highlights the mechanistic link between miRNAs and mitophagy under environmental stress, which provided a new clue for the mitochondrial epigenetics mechanism on environmental toxicant-induced hepatoxicity.
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Affiliation(s)
- Lin Xu
- School of Public Health, Qingdao University, Qingdao, China
| | - Wanli Ma
- School of Public Health, Qingdao University, Qingdao, China
| | - Yuan Jin
- School of Public Health, Qingdao University, Qingdao, China
| | - Xueying Sun
- School of Public Health, Qingdao University, Qingdao, China
| | - Ningning Chen
- School of Public Health, Qingdao University, Qingdao, China
| | - Xiaoxiao Zhu
- School of Public Health, Qingdao University, Qingdao, China
| | - Jiao Luo
- School of Public Health, Qingdao University, Qingdao, China
| | - Chuanhai Li
- School of Public Health, Qingdao University, Qingdao, China
| | - Kunming Zhao
- School of Public Health, Qingdao University, Qingdao, China
| | - Yuxin Zheng
- School of Public Health, Qingdao University, Qingdao, China
| | - Dianke Yu
- School of Public Health, Qingdao University, Qingdao, China.
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4
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Rong W, Shukun W, Xiaoqing W, Wenxin H, Mengyuan D, Chenyang M, Zhang H. Regulatory roles of non-coding RNAs and m6A modification in trophoblast functions and the occurrence of its related adverse pregnancy outcomes. Crit Rev Toxicol 2022; 52:681-713. [PMID: 36794364 DOI: 10.1080/10408444.2022.2144711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
Adverse pregnancy outcomes, such as preeclampsia, gestational diabetes mellitus, fetal growth restriction, and recurrent miscarriage, occur frequently in pregnant women and might further induce morbidity and mortality for both mother and fetus. Increasing studies have shown that dysfunctions of human trophoblast are related to these adverse pregnancy outcomes. Recent studies also showed that environmental toxicants could induce trophoblast dysfunctions. Moreover, non-coding RNAs (ncRNAs) have been reported to play important regulatory roles in various cellular processes. However, the roles of ncRNAs in the regulation of trophoblast dysfunctions and the occurrence of adverse pregnancy outcomes still need to be further investigated, especially with exposure to environmental toxicants. In this review, we analyzed the regulatory mechanisms of ncRNAs and m6A methylation modification in the dysfunctions of trophoblast cells and the occurrence of adverse pregnancy outcomes and also summarized the harmful effects of environmental toxicants. In addition to DNA replication, mRNA transcription, and protein translation, ncRNAs and m6A modification might be considered as the fourth and fifth elements that regulate the genetic central dogma, respectively. Environmental toxicants might also affect these processes. In this review, we expect to provide a deeper scientific understanding of the occurrence of adverse pregnancy outcomes and to discover potential biomarkers for the diagnosis and treatment of these outcomes.
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Affiliation(s)
- Wang Rong
- Key Laboratory of Environment and Female Reproductive Health, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, China.,Department of Toxicology, School of Public Health, Fujian Medical University, Fuzhou, China
| | - Wan Shukun
- Key Laboratory of Environment and Female Reproductive Health, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, China.,Key Laboratory of Environment and Female Reproductive Health, West China School of Public Health & West China Fourth Hospital, Sichuan University, Chengdu, China
| | - Wang Xiaoqing
- Key Laboratory of Environment and Female Reproductive Health, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, China.,Key Laboratory of Environment and Female Reproductive Health, West China School of Public Health & West China Fourth Hospital, Sichuan University, Chengdu, China
| | - Huang Wenxin
- Key Laboratory of Environment and Female Reproductive Health, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
| | - Dai Mengyuan
- Department of Toxicology, School of Public Health, Fujian Medical University, Fuzhou, China
| | - Mi Chenyang
- Key Laboratory of Environment and Female Reproductive Health, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, China.,Key Laboratory of Environment and Female Reproductive Health, West China School of Public Health & West China Fourth Hospital, Sichuan University, Chengdu, China
| | - Huidong Zhang
- Key Laboratory of Environment and Female Reproductive Health, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
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Astragalus polysaccharides combined with Codonopsis pilosula polysaccharides modulates the physiological characteristics of trophoblasts via miR-92a-1–5p/CCR7 axis. Tissue Cell 2022; 77:101827. [DOI: 10.1016/j.tice.2022.101827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 05/17/2022] [Accepted: 05/17/2022] [Indexed: 11/19/2022]
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6
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Zhou J, Chen H, Xu X, Liu Y, Chen S, Yang S, He F, Yu B. Uterine damage induces placenta accreta and immune imbalance at the maternal-fetal interface in the mouse. Placenta 2022; 119:8-16. [PMID: 35066308 DOI: 10.1016/j.placenta.2022.01.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 12/22/2021] [Accepted: 01/05/2022] [Indexed: 02/06/2023]
Abstract
INTRODUCTION Placenta accreta spectrum (PAS) disorder is one of the major complications resulting in maternal death and serious adverse pregnancy outcomes. Uterine damage - principally that associated with cesarean section - is the leading risk factor for the development of PAS. However, the underlying pathogenesis of PAS related to uterine damage remains unclear. METHODS For this study, we constructed a mouse PAS model using hysterotomy to simulate a cesarean section in humans. Pregnant mice were sacrificed on embryonic days 12.5 (E12.5) and E17.5. Trophoblast invasion and placental vascularization were analyzed using Hematoxylin-Eosin (H&E) staining and immunohistochemistry (IHC), and the proportions of immune cells at the maternal-fetal interface were analyzed using flow cytometry. We analyzed the expressions of genes in the decidua and placenta using RNA sequencing and subsequent validation by QPCR, and measured serum angiogenic factors by ELISA. RESULTS Uterine damage led to increased trophoblast invasion and placental vascularization, with extensive changes to the immune-cell profiles at the maternal-fetal interface. The proportions of T and NK cells in the deciduas diminished significantly, with the decidual NK cells and M - 2 macrophages showing the greatest decline. The expression of TNF-α and IL4 was upregulated in the deciduas, while that of IFN-γ and IL10 was downregulated significantly. The expression of Mmp2, Mmp9, Mmp3, and Dock4 was significantly elevated in the placenta, and the serum levels of anti-angiogenic factors were significantly attenuated. DISCUSSION Uterine damage can cause immune imbalance at the maternal-fetal interface, which may contribute to abnormal trophoblast invasion and enhanced vascularization of the mouse placenta.
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Affiliation(s)
- Jiayi Zhou
- Department of Obstetrics and Gynecology, China; BioResource Research Center, China; Key Laboratory for Major Obstetric Diseases of Guangdong Province, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Huanpeng Chen
- Department of Obstetrics and Gynecology, China; BioResource Research Center, China; Key Laboratory for Major Obstetric Diseases of Guangdong Province, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Xiuting Xu
- Department of Obstetrics and Gynecology, China; BioResource Research Center, China; Key Laboratory for Major Obstetric Diseases of Guangdong Province, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yunyun Liu
- Department of Obstetrics and Gynecology, China; BioResource Research Center, China; Key Laboratory for Major Obstetric Diseases of Guangdong Province, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Shengzhu Chen
- Department of Obstetrics and Gynecology, China; BioResource Research Center, China; Key Laboratory for Major Obstetric Diseases of Guangdong Province, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Si Yang
- Department of Obstetrics and Gynecology, China; BioResource Research Center, China; Key Laboratory for Major Obstetric Diseases of Guangdong Province, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Fang He
- Department of Obstetrics and Gynecology, China; Key Laboratory for Major Obstetric Diseases of Guangdong Province, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Bolan Yu
- Department of Obstetrics and Gynecology, China; BioResource Research Center, China; Key Laboratory for Major Obstetric Diseases of Guangdong Province, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.
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7
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Cheng JC, Fang L, Li Y, Thakur A, Hoodless PA, Guo Y, Wang Z, Wu Z, Yan Y, Jia Q, Gao Y, Han X, Yu Y, Sun YP. G protein-coupled estrogen receptor stimulates human trophoblast cell invasion via YAP-mediated ANGPTL4 expression. Commun Biol 2021; 4:1285. [PMID: 34773076 PMCID: PMC8589964 DOI: 10.1038/s42003-021-02816-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 10/25/2021] [Indexed: 11/16/2022] Open
Abstract
Insufficient invasion of trophoblast cells into the uterine decidua is associated with preeclampsia (PE). G protein-coupled estrogen receptor (GPER) is a membrane estrogen receptor involved in non-genomic estrogen signaling. GPER is expressed in human trophoblast cells and downregulated GPER levels are noted in PE. However, to date, the role of GPER in trophoblast cells remains largely unknown. Here, we applied RNA sequencing (RNA-seq) to HTR-8/SVneo human trophoblast cells in response to G1, an agonist of GPER, and identified angiopoietin-like 4 (ANGPTL4) as a target gene of GPER. Treatment of trophoblast cells with G1 or 17β-estradiol (E2) activated Yes-associated protein (YAP), the major downstream effector of the Hippo pathway, via GPER but in a mammalian STE20-like protein kinase 1 (MST1)-independent manner. Using pharmacological inhibitors as well as loss- and gain-of-function approaches, our results revealed that YAP activation was required for GPER-stimulated ANGPTL4 expression. Transwell invasion assays demonstrated that activation of GPER-induced ANGPTL4 promoted cell invasion. In addition, the expression levels of GPER, YAP, and ANGPTL4 were downregulated in the placenta of patients with PE. Our findings reveal a mechanism by which GPER exerts its stimulatory effect on human trophoblast cell invasion by upregulating YAP-mediated ANGPTL4 expression. Cheng, Fan, Li et al. identified ANGPTL4 as a G1-induced target gene of GPER/YAP in HRT8 cells using RNA-seq and highlighted its importance in regulating trophoblast cell invasion. The authors also reported GPER downregulation in the placenta and lower estradiol levels in patients who developed preeclampsia.
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Affiliation(s)
- Jung-Chien Cheng
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, 450052, Zhengzhou, China.
| | - Lanlan Fang
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, 450052, Zhengzhou, China
| | - Yuxi Li
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, 450052, Zhengzhou, China
| | - Avinash Thakur
- Terry Fox Laboratory, BC Cancer Agency, Vancouver, BC, Canada, V5Z 1L3.,Department of Medical Genetics, University of British Columbia, Vancouver, BC, Canada, V6T 1Z4
| | - Pamela A Hoodless
- Terry Fox Laboratory, BC Cancer Agency, Vancouver, BC, Canada, V5Z 1L3.,Department of Medical Genetics, University of British Columbia, Vancouver, BC, Canada, V6T 1Z4.,School of Biomedical Engineering, University of British Columbia, Vancouver, BC, Canada, V6T 1Z4
| | - Yanjie Guo
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, 450052, Zhengzhou, China
| | - Zhen Wang
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, 450052, Zhengzhou, China
| | - Ze Wu
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, 450052, Zhengzhou, China
| | - Yang Yan
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, 450052, Zhengzhou, China
| | - Qiongqiong Jia
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, 450052, Zhengzhou, China
| | - Yibo Gao
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, 450052, Zhengzhou, China
| | - Xiaoyu Han
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, 450052, Zhengzhou, China
| | - Yiping Yu
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, 450052, Zhengzhou, China
| | - Ying-Pu Sun
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, 450052, Zhengzhou, China.
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Paul S, Licona-Vázquez I, Serrano-Cano FI, Frías-Reid N, Pacheco-Dorantes C, Pathak S, Chakraborty S, Srivastava A. Current insight into the functions of microRNAs in common human hair loss disorders: a mini review. Hum Cell 2021; 34:1040-1050. [PMID: 33908022 DOI: 10.1007/s13577-021-00540-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Accepted: 04/21/2021] [Indexed: 12/22/2022]
Abstract
Alopecia areata (AA) and Androgenic alopecia (AGA) are the most common multifactorial hair loss disorders that have a serious psychological impact on the affected individuals, while frontal fibrosing alopecia (FFA) is comparatively less common. However, due to the unknown etiology and the effect of many adverse factors, the prognosis of these conditions is challenging to predict. Moreover, no approved therapy has been available to date to prevent or treat these disorders. MicroRNAs (miRNAs) are a group of evolutionary conserved small non-coding RNA molecules with significant roles in the posttranscriptional gene regulation either through mRNA degradation or translational repression. A number of biological processes are controlled by these molecules, including cell growth and differentiation, proliferation, inflammation, immune responses, and apoptosis. Recently, a handful of studies have demonstrated the impact of miRNAs on common hair loss-related disorders; however, the exhaustive molecular mechanisms are still unclear. In this review, we discussed the functional implications of miRNAs in common hair loss-related disorders and addressed their efficacy to be used for theranostic purposes shortly.
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Affiliation(s)
- Sujay Paul
- Tecnologico de Monterrey, School of Engineering and Sciences, Av. Epigmenio González No. 500 Fracc. San Pablo, 76130, Querétaro, México.
| | - Iván Licona-Vázquez
- Tecnologico de Monterrey, School of Engineering and Sciences, Av. Epigmenio González No. 500 Fracc. San Pablo, 76130, Querétaro, México
| | - Francisco I Serrano-Cano
- Tecnologico de Monterrey, School of Engineering and Sciences, Av. Epigmenio González No. 500 Fracc. San Pablo, 76130, Querétaro, México
| | - Natalia Frías-Reid
- Tecnologico de Monterrey, School of Engineering and Sciences, Av. Epigmenio González No. 500 Fracc. San Pablo, 76130, Querétaro, México
| | - Carolina Pacheco-Dorantes
- Tecnologico de Monterrey, School of Engineering and Sciences, Av. Epigmenio González No. 500 Fracc. San Pablo, 76130, Querétaro, México
| | - Surajit Pathak
- Department of Medical Biotechnology, Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute (CHRI), Chettinad Academy of Research and Education (CARE), Kelambakkam, Chennai, 603103, Tamil Nadu, India
| | - Samik Chakraborty
- Division of Nephrology, Boston Children's Hospital, Harvard Medical School, Boston, MA, 02115, USA
| | - Aashish Srivastava
- Section of Bioinformatics, Clinical Laboratory, Haukeland University Hospital, 5021, Bergen, Norway
- Department of Clinical Science, University of Bergen, 5021, Bergen, Norway
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Verma S, Mishra R, Malik A, Chaudhary P, Malhotra SS, Panda AK, Gupta SK. miR-27b-5p inhibits BeWo cells fusion by regulating WNT2B and enzyme involved in progesterone synthesis. Am J Reprod Immunol 2021; 86:e13409. [PMID: 33639023 DOI: 10.1111/aji.13409] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Accepted: 02/24/2021] [Indexed: 12/20/2022] Open
Abstract
PROBLEM The miRNAs show placenta-specific expression patterns, which alter during pregnancy-related complications. In present study, the role of miR-27b-5p during forskolin-mediated BeWo cells fusion has been investigated. METHOD OF STUDY The fusion of BeWo cells in response to forskolin treatment (25 µM) was studied by desmoplakin I+II staining. Expression profile of miR-27b-5p by qRT-PCR and its targets HSD3β1 and WNT2B by qRT-PCR and in Western blot were studied. The effect of overexpression of miR-27b-5p and silencing of HSD3β1 & WNT2B by siRNA on forskolin-mediated BeWo cells fusion and secretion of hCG and progesterone by ELISA was investigated. RESULTS Time-dependent down-regulation in the expression of miR-27b-5p in forskolin-treated BeWo cells has been confirmed by qRT-PCR. Overexpression of miR-27b-5p significantly inhibits forskolin-mediated BeWo cells fusion as well as hCG & progesterone secretion. HSD3β1 and WNT2B were identified as targets of miR-27b-5p and are up-regulated in forskolin-treated BeWo cells. Overexpression of miR-27b-5p in BeWo cells downregulates their expression. Further, luciferase reporter assay revealed that miR-27b-5p directly target expression of both HSD3β1 and WNT2B. Silencing of both HSD3β1 and WNT2B leads to a significant reduction in forskolin-mediated BeWo cells fusion with concomitant decrease in the secretion of progesterone or/and hCG. Decrease in forskolin-mediated cells fusion observed in miR-27b-5p mimic transfected BeWo cells could be rescued by the overexpression of both HSD3β1 and WNT2B. CONCLUSION These observations suggest that reduced miR-27b-5p in forskolin-treated BeWo cells leads to increased secretion of progesterone and hCG due to loss of repressional control on HSD3β1 and WNT2B.
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Affiliation(s)
- Sonam Verma
- Reproductive Cell Biology Lab, National Institute of Immunology, New Delhi, India
| | - Richa Mishra
- Reproductive Cell Biology Lab, National Institute of Immunology, New Delhi, India
| | - Ankita Malik
- Reproductive Cell Biology Lab, National Institute of Immunology, New Delhi, India
| | - Piyush Chaudhary
- Reproductive Cell Biology Lab, National Institute of Immunology, New Delhi, India
| | - Sudha Saryu Malhotra
- Reproductive Cell Biology Lab, National Institute of Immunology, New Delhi, India
| | - Amulya K Panda
- Product Development Cell, National Institute of Immunology, New Delhi, India
| | - Satish Kumar Gupta
- Reproductive Cell Biology Lab, National Institute of Immunology, New Delhi, India
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10
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p38/JNK Is Required for the Proliferation and Phenotype Changes of Vascular Smooth Muscle Cells Induced by L3MBTL4 in Essential Hypertension. Int J Hypertens 2021; 2020:3123968. [PMID: 33381308 PMCID: PMC7759026 DOI: 10.1155/2020/3123968] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 12/02/2020] [Indexed: 11/23/2022] Open
Abstract
Aim Hypertension is a complicated disorder with multifactorial etiology and high heritability. Our previous work has identified L3MBTL4 as a novel susceptibility gene for the development of essential hypertension, accompanied with activation of p38/JNK. Yet, little evidence has been reported whether p38/JNK contributed directly to L3MBTL4-induced vascular remodeling and exploring the potential mechanism of L3MBTL4 in vascular smooth muscle cells (VSMCs). Methods We evaluated the contribution of L3MBTL4 on proliferation, migration, and phenotype changes of VSMCs and further explored the critical role of p38 and JNK signaling pathway underlying. Results In L3MBTL4 transgenic rats, we found that the elevated blood pressure, increased left ventricular hypertrophy, and thickened vascular media layer were significantly relieved by both p38 and JNK inhibitors. Meanwhile, increased cell proliferation, advanced cell cycle progression, greater migratory capability, and synthetic phenotype were observed in L3MBTL4 overexpressed VSMCs, which could be blocked by either p38 or JNK inhibitor. Conclusions Our findings pinpointed that p38 and JNK were required for the proliferation and phenotype changes of VSMCs induced by L3MBTL4 in hypertension. These novel findings yield new insights into the genetic and biological basis of hypertension and are fundamental for further studies to explore the intervention strategies targeting L3MBTL4 and p38/JNK to counteract the progression of hypertension.
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