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Dicer inhibition delays wound closure by increasing SUZ12 levels and regulating ITGAV levels in keratinocytes.
J Mol Endocrinol
January 2025
M Datta, Functional Genomics, CSIR - Institute of Genomics and Integrative Biology, New Delhi, India.
Delayed wound closure is a significant hallmark associated with diabetes. A previous study from our laboratory identified decreased levels of Dicer and miRNAs together with altered levels of wound healing genes in the wounded tissues of diabetic rats. Comprehensive regulators of these wound healing genes mapped onto the PRC2 (polycomb repressive complex 2) complex.
View Article and Find Full Text PDFHDAC4/5 Inhibitor, LMK-235 Improves Animal Voluntary Movement in MPTP-Induced Parkinson's Disease Model.
Pharmacol Res Perspect
February 2025
New Drug Development Center, Daegu, Korea.
Oxidation of dopamine can cause various side effects, which ultimately leads to cell death and contributes to Parkinson's disease (PD). To counteract dopamine oxidation, newly synthesized dopamine is quickly transported into vesicles via vesicular monoamine transporter 2 (VMAT2) for storage. VMAT2 expression is reduced in patients with PD, and studies have shown increased accumulation of dopamine oxidation byproducts and α-synuclein in animals with low VMAT2 expression.
View Article and Find Full Text PDFHistone demethylases in autophagy and inflammation.
Cell Commun Signal
January 2025
School of Basic Medical Sciences, Hubei University of Science and Technology, Hubei, 437000, China.
Autophagy dysfunction is associated with changes in autophagy-related genes. Various factors are connected to autophagy, and the mechanism regulating autophagy is highly complicated. Epigenetic changes, such as aberrant expression of histone demethylase, are actively associated not only with oncogenesis but also with inflammatory responses.
View Article and Find Full Text PDFLongitudinal DNA methylation profiles in saliva of offspring from mothers with gestational diabetes: associations with early childhood growth patterns.
Cardiovasc Diabetol
January 2025
Department of Endocrinology and Nutrition, Virgen de la Victoria University Hospital, 29010, Málaga, Spain.
Background: The prevalence of obesity and type 2 diabetes mellitus (T2DM) is rising globally, particularly among children exposed to adverse intrauterine environments, such as those associated with gestational diabetes mellitus (GDM). Epigenetic modifications, specifically DNA methylation, have emerged as mechanisms by which early environmental exposures can predispose offspring to metabolic diseases. This study aimed to investigate DNA methylation differences in children born to mothers with GDM compared to non-GDM mothers, using saliva samples, and to assess the association of these epigenetic patterns with early growth measurements.
View Article and Find Full Text PDFEnhancing proteasome activity by NMDAR antagonists explains their therapeutic effect in neurodegenerative and mental diseases.
Sci Rep
January 2025
Department of Histology and Embryology, Ankara University School of Medicine, Ankara, Turkey.
NMDAR antagonists, such as memantine and ketamine, have shown efficacy in treating neurodegenerative diseases and major depression. The mechanism by which these drugs correct the aforementioned diseases is still unknown. Our study reveals that these antagonists significantly enhance 20S proteasome activity, crucial for degrading intrinsically disordered, oxidatively damaged, or misfolded proteins, factors pivotal in neurodegenerative diseases like Alzheimer's and Parkinson's.
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