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Li X, Hou Z, Meng S, Jia Q, Xing S, Wang Z, Chen M, Xu H, Li M, Cai H. LncRNA BlncAD1 Modulates Bovine Adipogenesis by Binding to MYH10, PI3K/Akt Signaling Pathway, and miR-27a-5p/CDK6 Axis. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:11094-11110. [PMID: 38661523 DOI: 10.1021/acs.jafc.4c00165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
Research on adipogenesis will help to improve the meat quality of livestock. Long noncoding RNAs (lncRNAs) are involved in mammalian adipogenesis as epigenetic modulators. In this study, we analyzed lncRNA expression during bovine adipogenesis and detected 195 differentially expressed lncRNAs, including lncRNA BlncAD1, which was significantly upregulated in mature bovine adipocytes. Gain- and loss-of-function experiments confirmed that BlncAD1 promoted the proliferation, apoptosis, and differentiation of bovine preadipocytes. RNA pull-down revealed that the nonmuscle myosin 10 (MYH10) is a potential binding protein of BlncAD1. Then, we elucidated that loss of BlncAD1 caused increased ubiquitination of MYH10, which confirmed that BlncAD1 regulates adipogenesis by enhancing the stability of the MYH10 protein. Western blotting was used to demonstrate that BlncAD1 activated the PI3K/Akt signaling pathway. Bioinformatic analysis and dual-luciferase reporter assays indicated that BlncAD1 competitively absorbed miR-27a-5p. The overexpression and interference of miR-27a-5p in bovine preadipocytes displayed that miR-27a-5p inhibited proliferation, apoptosis, and differentiation. Further results suggested that miR-27a-5p targeted the CDK6 gene and that BlncAD1 controlled the proliferation of bovine preadipocytes by modulating the miR-27a-5p/CDK6 axis. This study revealed the complex mechanisms of BlncAD1 underlying bovine adipogenesis for the first time, which would provide useful information for genetics and breeding improvement of Chinese beef cattle.
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Affiliation(s)
- Xin Li
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China
| | - Zhongyi Hou
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China
| | - Shengbo Meng
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China
| | - Qihui Jia
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China
| | - Shanshan Xing
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China
| | - Zhitong Wang
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China
| | - Mengjuan Chen
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China
| | - Huifen Xu
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China
| | - Ming Li
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China
| | - Hanfang Cai
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450046, China
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Zhang C, Qiu Y, Yuan F. The long non-coding RNA maternally expressed 3-micorRNA-15a-5p axis is modulated by melatonin and prevents nucleus pulposus cell inflammation and apoptosis. Basic Clin Pharmacol Toxicol 2023; 133:603-619. [PMID: 37658573 DOI: 10.1111/bcpt.13939] [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: 02/20/2023] [Revised: 05/05/2023] [Accepted: 08/28/2023] [Indexed: 09/03/2023]
Abstract
Nucleus pulposus (NP) cell apoptosis is regarded as a critical risk factor for intervertebral disc degeneration (IVDD). Melatonin exerts a protective role on NP cells. The study concentrates on the role and mechanism of lncRNA MEG3 in melatonin-mediated effects on NP cells. An in vitro IVDD model was constructed using IL-1β on human NP cells. qRT-PCR investigated MEG3, miR-15a-5p and PGC-1α mRNA levels in tissues and NP cells. IL-1β-treated NP cells subsequent to transfection, followed by melatonin treatment. NP cell proliferation, viability, apoptosis and inflammatory reactions were assayed. Western blot checked the profiles of PGC-1α, SIRT1 and NF-κB p65. Student's t-test or one-way analysis of variance (ANOVA) followed by Tukey's test was used for statistical tests. As indicated by the data, melatonin weakened NP cell inflammation and apoptosis and enhanced MEG3 expression. MEG3 expression was attenuated in IVDD tissues. MEG3 knockdown impaired the function of melatonin, which was, however, strengthened by miR-15a-5p knockdown. MEG3 targeted miR-15a-5p, which targeted PGC-1α and repressed the PGC-1α/SIRT1 pathway. Collectively, this study has disclosed that the MEG3-miR-15a-5p-PGC-1α/SIRT1 pathway modulated by melatonin can hamper NP cell apoptosis and inflammation elicited by IL-1β.
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Affiliation(s)
- Chengyuan Zhang
- Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yongjia Qiu
- Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Feng Yuan
- Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Lu J, Wang Y, Wang J, Li Y, Shi Y, Tang L. Circ_0082476 targets miR-138-5p to promote proliferation, invasion, migration and inflammation in IL-22-treated human keratinocytes by upregulating BRD4. Int Immunopharmacol 2023; 119:110095. [PMID: 37044031 DOI: 10.1016/j.intimp.2023.110095] [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: 01/15/2023] [Revised: 03/14/2023] [Accepted: 03/22/2023] [Indexed: 04/14/2023]
Abstract
BACKGROUND Circular RNAs (circRNAs) are implicated in the disease progression via acting as sponges of microRNAs (miRNAs) to regulate gene expression. The purpose of this study was to analyze the involvement of circ_0082476 in Interleukin-22 (IL-22)-induced psoriasis. METHODS Expression detection for circ_0082476, microRNA-424-5p (miR-138-5p) or toll-like receptor (BRD4) was completed using reverse transcription-quantitative polymerase chain reaction assay. Cell Counting Kit-8 assay and EdU assay were used for analysis of cell viability and proliferation, respectively. Cell invasion and migration abilities were assessed through transwell assay and wound healing assay. The protein expression was examined via western blot. Inflammatory reaction was determined via Enzyme-linked immunosorbent assay. Dual-luciferase reporter assay and RNA immunoprecipitation (RIP) assay were conducted for target binding research. RESULTS Circ_0082476 was significantly elevated in psoriasis patients and IL-22-treated keratinocytes (HaCaT). Knockdown of circ_0082476 reduced cell proliferation, invasion and migration in IL-22-treated HaCaT cells. Circ_0082476 induced sponge effect on miR-138-5p. Circ_0082476 regulated IL-22-induced cell injury through targeting miR-138-5p. BRD4 was confirmed as a target of miR-138-5p, and miR-138-5p relieved IL-22-induced cell dysfunction by the direct downregulation of BRD4. BRD4 was positively regulated by circ_0082476 via sponging miR-138-5p. CONCLUSION These findings disclosed that circ_0082476 facilitated the IL22-induced epidermis cell injury in psoriasis through the upregulation of BRD4 via binding to miR-138-5p.
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Affiliation(s)
- Jiajing Lu
- Department of Dermatology, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Institute of Psoriasis, School of Medicine, Tongji University, Shanghai 200443, China
| | - Yu Wang
- Department of Dermatology, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Institute of Psoriasis, School of Medicine, Tongji University, Shanghai 200443, China
| | - Jing Wang
- Department of Dermatology, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Institute of Psoriasis, School of Medicine, Tongji University, Shanghai 200443, China
| | - Ying Li
- Department of Dermatology, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Institute of Psoriasis, School of Medicine, Tongji University, Shanghai 200443, China
| | - Yuling Shi
- Department of Dermatology, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Institute of Psoriasis, School of Medicine, Tongji University, Shanghai 200443, China.
| | - Li Tang
- Department of Dermatology, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Institute of Psoriasis, School of Medicine, Tongji University, Shanghai 200443, China.
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Wang L, Jin W, Wu X, Liu Y, Gu W. Circ_0000520 interacts with miR-512-5p to upregulate KIAA0100 to promote malignant behaviors in lung cancer. Histol Histopathol 2023; 38:73-89. [PMID: 35866672 DOI: 10.14670/hh-18-498] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
BACKGROUND CircRNAs function as pivotal molecules to regulate the malignant development of lung cancer. This study was designed to research the functional role and how it acted in lung cancer progression. METHODS Circ_0000520, microRNA-512-5p (miR-512-5p) and Breast cancer-overexpressed gene 1 (KIAA0100) levels were measured through reverse transcription-quantitative polymerase chain reaction assay. Cell Counting Kit-8 assay and EdU assay were used to examine cell proliferation. Cell cycle and apoptosis were evaluated via flow cytometry. The protein levels were determined using western blot. Cell migration and invasion were assessed by wound healing assay and transwell assay. The circ_0000520 function in vivo was explored by tumor xenograft assay. The molecular interaction was analyzed via Dual-luciferase reporter assay. RESULTS Circ_0000520 was obviously upregulated in lung cancer tissues and cells. Silence of circ_0000520 inhibited proliferation, cell cycle progression, migration, invasion and angiogenesis but promoted cell apoptosis. Circ_0000520 downregulation reduced tumor growth of lung cancer in vivo. Circ_0000520 served as a miR-512-5p sponge. The oncogenic function of circ_0000520 was partly achieved by sponging miR-512-5p in lung cancer. KIAA0100 was a target of miR-512-5p and miR-512-5p inhibited the malignant behaviors of lung cancer cells via downregulating KIAA0100. Circ_0000520 targeted miR-512-5p to regulate the level of KIAA0100. CONCLUSION All these data demonstrated that circ_0000520 was able to drive the progression of lung cancer via the mediation of miR-512-5p/KIAA0100 axis. Circ_0000520 might be a potential biomarker for lung cancer.
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Affiliation(s)
- Linxuan Wang
- Department of Respiratory and Critical Care Medicine, Shanghai Pudong New Area People's Hospital, Shanghai, China
| | - Wenjing Jin
- Department of Respiratory and Critical Care Medicine, Shanghai Pudong New Area People's Hospital, Shanghai, China
| | - Xiaochi Wu
- Department of Respiratory and Critical Care Medicine, Shanghai Pudong New Area People's Hospital, Shanghai, China
| | - Yuan Liu
- Department of Respiratory and Critical Care Medicine, Shanghai Pudong New Area People's Hospital, Shanghai, China
| | - Wenchao Gu
- Department of Respiratory and Critical Care Medicine, Shanghai Pudong New Area People's Hospital, Shanghai, China.
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Bian W, Chen W, Nguyen T, Zhou Y, Zhang J. miR-199a Overexpression Enhances the Potency of Human Induced-Pluripotent Stem-Cell-Derived Cardiomyocytes for Myocardial Repair. Front Pharmacol 2021; 12:673621. [PMID: 34149424 PMCID: PMC8209326 DOI: 10.3389/fphar.2021.673621] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Accepted: 05/18/2021] [Indexed: 01/07/2023] Open
Abstract
Mammalian cardiomyocytes exit the cell cycle during the perinatal period, and although cardiomyocytes differentiated from human induced-pluripotent stem cells (hiPSC-CMs) are phenotypically immature, their intrinsic cell-cycle activity remains limited. Thus, neither endogenous cardiomyocytes nor the small number of transplanted hiPSC-CMs that are engrafted by infarcted hearts can remuscularize the myocardial scar. microRNAs are key regulators of cardiomyocyte proliferation, and when adeno-associated viruses coding for microRNA-199a (miR-199a) expression were injected directly into infarcted pig hearts, measures of cardiac function and fibrosis significantly improved, but the treatment was also associated with lethal arrhythmia. For the studies reported here, the same vector (AAV6-miR-199a) was transduced into hiPSC-CMs, and the cells were subsequently evaluated in a mouse model of myocardial infarction. AAV6-mediated miR-199a overexpression increased proliferation in both cultured and transplanted hiPSC-CMs, and measures of left ventricular ejection fraction, fractional shortening, and scar size were significantly better in mice treated with miR-199a-overexpressing hiPSC-CMs than with hiPSC-CMs that had been transduced with a control vector. Furthermore, although this investigation was not designed to characterize the safety of transplanted AAV6-miR-199a-transduced hiPSC-CMs, there was no evidence of sudden death. Collectively, these results support future investigations of miR-199a-overexpressing hiPSC-CMs in large animals.
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Affiliation(s)
- Weihua Bian
- Department of Biomedical Engineering, School of Medicine and School of Engineering, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Wangping Chen
- Department of Biomedical Engineering, School of Medicine and School of Engineering, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Thanh Nguyen
- Informatics Institute, The University of Alabama at Birmingham, Birmingham, AL, United States
| | - Yang Zhou
- Department of Biomedical Engineering, School of Medicine and School of Engineering, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Jianyi Zhang
- Department of Biomedical Engineering, School of Medicine and School of Engineering, University of Alabama at Birmingham, Birmingham, AL, United States
- Department of Medicine/Cardiovascular Diseases, The University of Alabama at Birmingham, Birmingham, AL, United States
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