MiRNA-190a-5p promotes primordial follicle hyperactivation by targeting PHLPP1 in premature ovarian failure
We previously screened 6 differentially expressed miRNAs in ovarian tissues of 4-vinylcyclohexene diepoxide (VCD)-treated premature ovarian failure (POF) model in SD rats, including miRNA-190a-5p, miRNA-98-5p, miRNA-29a-3p, miRNA-144-5p, miRNA-27b-3p, miRNA-151-5p. In this study, to investigate the...
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Frontiers Media S.A.
2022-11-01
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| Series: | Frontiers in Genetics |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fgene.2022.1034832/full |
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| author | Yuchi Zhang Yuchi Zhang Dongwei Han Xiaoyan Yu Xinyu Shao Xinyu Shao Chuju Zong Chuju Zong Manyu Zhang Junzhi Wang Jingwen Liang Pengling Ge |
| author_facet | Yuchi Zhang Yuchi Zhang Dongwei Han Xiaoyan Yu Xinyu Shao Xinyu Shao Chuju Zong Chuju Zong Manyu Zhang Junzhi Wang Jingwen Liang Pengling Ge |
| author_sort | Yuchi Zhang |
| collection | DOAJ |
| description | We previously screened 6 differentially expressed miRNAs in ovarian tissues of 4-vinylcyclohexene diepoxide (VCD)-treated premature ovarian failure (POF) model in SD rats, including miRNA-190a-5p, miRNA-98-5p, miRNA-29a-3p, miRNA-144-5p, miRNA-27b-3p, miRNA-151-5p. In this study, to investigate the mechanisms causing the onset of POF, we first identified miRNAs with earlier differential expression at consecutive time points in the VCD-treated rat POF model and explored the mechanisms by which the target miRNAs promote POF. The SD rats were injected with VCD for 15 days to induce POF. Additionally, we collected rat blood and ovaries at the same time every day for 15 consecutive days, and luteinizing hormone (LH), follicle-stimulating hormone (FSH), Anti-Mullerian hormone (AMH), and estradiol (E2) serum levels were detected by ELISA. Six miRNAs expression were measured in rat ovaries by qRT-PCR. Dual-luciferase reporter gene assays were employed to predict and verify the target gene (PHLPP1) of target miRNAs (miRNA-190a-5p). Western blot was examined to detect the expression levels of PHLPP1, AKT, p-AKT, FOXO3a, p-FOXO3a, and LHR proteins on the target gene PHLPP1 and its participation in the primordial follicular hyperactivation-related pathways (AKT-FOXO3a and AKT-LH/LHR). During the VCD modeling POF rat ovaries, miRNA-190a-5p was the first to show significant differential expression, i.e., 6th of VCD treating, and PHLPP1 was verified to be a direct downstream target of it. Starting from the 6th of VCD treatment, the more significant the up-regulation trend of miRNA-190a-5p expression, the more obvious the down-regulation trend of PHLPP1 and LHR mRNA and protein expression, accompanied by the more severe phosphorylation of AKT and FOXO3a proteins, thus continuously over-activating the rat primordial follicle to promote the development of POF. In conclusion, miRNA-190a-5p may become a potential biomarker for early screening of POF, and it can continuously activate primordial follicles in rats by targeting the expression of PHLPP1 and key proteins in the AKT-FOXO3a and AKT-LH/LHR pathways. |
| first_indexed | 2024-04-11T07:01:06Z |
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| institution | Directory Open Access Journal |
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| language | English |
| last_indexed | 2024-04-11T07:01:06Z |
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| spelling | doaj.art-6272bcc9c2d243efa2daa87eeb35951c2022-12-22T04:38:40ZengFrontiers Media S.A.Frontiers in Genetics1664-80212022-11-011310.3389/fgene.2022.10348321034832MiRNA-190a-5p promotes primordial follicle hyperactivation by targeting PHLPP1 in premature ovarian failureYuchi Zhang0Yuchi Zhang1Dongwei Han2Xiaoyan Yu3Xinyu Shao4Xinyu Shao5Chuju Zong6Chuju Zong7Manyu Zhang8Junzhi Wang9Jingwen Liang10Pengling Ge11Department of Pharmacology, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin, ChinaDepartment of Neurology, Faculty of Medicine, Shimane University, Izumo, JapanDepartment of Pharmacology, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin, ChinaDepartment of Pharmacology, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin, ChinaDepartment of Pharmacology, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin, ChinaThe First Affiliated Hospital of Qiqihar Medical University, Qiqihar, ChinaDepartment of Pharmacology, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin, ChinaHeilongjiang Institute for Drug Control, Harbin, ChinaDepartment of Pharmacology, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin, ChinaDepartment of Dermatology, First Affiliated Hospital, Heilongjiang University of Chinese Medicine, Harbin, ChinaDepartment of Pharmacology, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin, ChinaDepartment of Pharmacology, School of Basic Medical Sciences, Heilongjiang University of Chinese Medicine, Harbin, ChinaWe previously screened 6 differentially expressed miRNAs in ovarian tissues of 4-vinylcyclohexene diepoxide (VCD)-treated premature ovarian failure (POF) model in SD rats, including miRNA-190a-5p, miRNA-98-5p, miRNA-29a-3p, miRNA-144-5p, miRNA-27b-3p, miRNA-151-5p. In this study, to investigate the mechanisms causing the onset of POF, we first identified miRNAs with earlier differential expression at consecutive time points in the VCD-treated rat POF model and explored the mechanisms by which the target miRNAs promote POF. The SD rats were injected with VCD for 15 days to induce POF. Additionally, we collected rat blood and ovaries at the same time every day for 15 consecutive days, and luteinizing hormone (LH), follicle-stimulating hormone (FSH), Anti-Mullerian hormone (AMH), and estradiol (E2) serum levels were detected by ELISA. Six miRNAs expression were measured in rat ovaries by qRT-PCR. Dual-luciferase reporter gene assays were employed to predict and verify the target gene (PHLPP1) of target miRNAs (miRNA-190a-5p). Western blot was examined to detect the expression levels of PHLPP1, AKT, p-AKT, FOXO3a, p-FOXO3a, and LHR proteins on the target gene PHLPP1 and its participation in the primordial follicular hyperactivation-related pathways (AKT-FOXO3a and AKT-LH/LHR). During the VCD modeling POF rat ovaries, miRNA-190a-5p was the first to show significant differential expression, i.e., 6th of VCD treating, and PHLPP1 was verified to be a direct downstream target of it. Starting from the 6th of VCD treatment, the more significant the up-regulation trend of miRNA-190a-5p expression, the more obvious the down-regulation trend of PHLPP1 and LHR mRNA and protein expression, accompanied by the more severe phosphorylation of AKT and FOXO3a proteins, thus continuously over-activating the rat primordial follicle to promote the development of POF. In conclusion, miRNA-190a-5p may become a potential biomarker for early screening of POF, and it can continuously activate primordial follicles in rats by targeting the expression of PHLPP1 and key proteins in the AKT-FOXO3a and AKT-LH/LHR pathways.https://www.frontiersin.org/articles/10.3389/fgene.2022.1034832/fullpremature ovarian failure (POF)4-vinylcyclohexene diepoxide (VCD)miRNA-190a-5pPHLPP1AKTLHR |
| spellingShingle | Yuchi Zhang Yuchi Zhang Dongwei Han Xiaoyan Yu Xinyu Shao Xinyu Shao Chuju Zong Chuju Zong Manyu Zhang Junzhi Wang Jingwen Liang Pengling Ge MiRNA-190a-5p promotes primordial follicle hyperactivation by targeting PHLPP1 in premature ovarian failure Frontiers in Genetics premature ovarian failure (POF) 4-vinylcyclohexene diepoxide (VCD) miRNA-190a-5p PHLPP1 AKT LHR |
| title | MiRNA-190a-5p promotes primordial follicle hyperactivation by targeting PHLPP1 in premature ovarian failure |
| title_full | MiRNA-190a-5p promotes primordial follicle hyperactivation by targeting PHLPP1 in premature ovarian failure |
| title_fullStr | MiRNA-190a-5p promotes primordial follicle hyperactivation by targeting PHLPP1 in premature ovarian failure |
| title_full_unstemmed | MiRNA-190a-5p promotes primordial follicle hyperactivation by targeting PHLPP1 in premature ovarian failure |
| title_short | MiRNA-190a-5p promotes primordial follicle hyperactivation by targeting PHLPP1 in premature ovarian failure |
| title_sort | mirna 190a 5p promotes primordial follicle hyperactivation by targeting phlpp1 in premature ovarian failure |
| topic | premature ovarian failure (POF) 4-vinylcyclohexene diepoxide (VCD) miRNA-190a-5p PHLPP1 AKT LHR |
| url | https://www.frontiersin.org/articles/10.3389/fgene.2022.1034832/full |
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