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Fat Mass and Obesity-Associated Protein Regulates Granulosa Cell Aging by Targeting Matrix Metalloproteinase-2 Gene Via an N6-Methyladenosine-YT521-B Homology Domain Family Member 2-Dependent Pathway in Aged Mice
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Fat Mass and Obesity-Associated Protein Regulates Granulosa Cell Aging by Targeting Matrix Metalloproteinase-2 Gene Via an N6-Methyladenosine-YT521-B Homology Domain Family Member 2-Dependent Pathway in Aged Mice
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Fat Mass and Obesity-Associated Protein Regulates Granulosa Cell Aging by Targeting Matrix Metalloproteinase-2 Gene Via an N6-Methyladenosine-YT521-B Homology Domain Family Member 2-Dependent Pathway in Aged Mice
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Journal Article
Fat Mass and Obesity-Associated Protein Regulates Granulosa Cell Aging by Targeting Matrix Metalloproteinase-2 Gene Via an N6-Methyladenosine-YT521-B Homology Domain Family Member 2-Dependent Pathway in Aged Mice
2024
Overview
In this study, we aimed to investigate the molecular mechanisms of RNA N6-methyladenosine (m6A) modification and how its associated proteins affect granulosa cell aging. A granulosa cell senescence model was constructed to detect the differences in total RNA m6A modification levels and the expression of related enzymes. Changes in downstream molecular expression and the effects on the cellular senescence phenotype were explored by repeatedly knocking down and overexpressing the key genes fat mass and obesity-associated protein
(
FTO
), YT521-B homology domain family member 2 (
YTHDF2
), and matrix metalloproteinase-2 (
MMP2
). There was an increased total RNA m6A modification and decreased expression of the demethylase FTO and target gene
MMP2
in senescent granulosa cells. FTO and MMP2 knockdown promoted granulosa cell senescence, whereas FTO and MMP2 overexpression retarded it. YTHDF2 and FTO can bind to the messenger RNA of MMP2. The extracellular signal-regulated kinase (ERK) pathway, which is downstream of MMP2, retarded the process of granulosa cell senescence through ERK activators. In granulosa cells, FTO can regulate the expression of MMP2 in an m6A-YTHDF2-dependent manner, influencing the activation status of the ERK pathway and contributing to the aging process of granulosa cells.
Publisher
Springer International Publishing
Subject
Adenosine - analogs & derivatives
/ Alpha-Ketoglutarate-Dependent Dioxygenase FTO - genetics
/ Alpha-Ketoglutarate-Dependent Dioxygenase FTO - metabolism
/ Animals
/ Female
/ Granulosa Cells - metabolism
/ Matrix Metalloproteinase 2 - genetics
/ Matrix Metalloproteinase 2 - metabolism
/ Medicine
/ Mice
/ Obstetrics/Perinatology/Midwifery
/ Reproductive Biology: Original
/ Reproductive Biology: Original Article
/ RNA Splicing Factors - genetics
/ RNA Splicing Factors - metabolism
/ RNA-Binding Proteins - genetics
