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Mangiferin Protects Mesenchymal Stem Cells Against DNA Damage and Cellular Aging via SIRT1 Activation.
Mech Ageing Dev
January 2025
Department of Biological Science, College of Natural Science, Chosun University, 309 Pilmun-daero, Dong-gu, Gwangju 61452, Republic of Korea; BK21 FOUR Education Research Group for Age-Associated Disorder Control Technology, Department of Integrative Biological Science, Chosun University, Gwangju 61452, Republic of Korea; The Basic Science Institute of Chosun University, Chosun University, Gwangju 61452, Republic of Korea. Electronic address:
The protective effects of mangiferin (MAG) against etoposide- and high glucose (HG)-induced DNA damage and aging were investigated in human bone marrow-mesenchymal stem cells (hBM-MSCs). Etoposide, a topoisomerase II inhibitor, was used to induce double-strand breaks (DSBs) in hBM-MSCs, resulting in increased genotoxicity, elevated levels of the DNA damage sensor ATM and CDKN1A, and decreased levels of the aging markers H3 and H4. MAG activated AMPK and SIRT1, thus protecting against DSB-induced damage.
View Article and Find Full Text PDFMorphological, physiological and transcriptional analyses provide insights into the biosynthesis of phenolics in Juniperus rigida under UV-B treatment.
Plant Physiol Biochem
January 2025
College of Forestry, Northwest A & F University, Yangling, 712100, China; Shaanxi Key Laboratory of Economic Plant Resources Development and Utilization, Northwest A & F University, Yangling, 712100, China. Electronic address:
Phenolics play a crucial role in plant defense mechanisms against increased UV-B radiation. Due to their significant medicinal properties, the phenolic compounds produced by Juniperus rigida have great potential as valuable sources for medicine. However, the process of synthesizing J.
View Article and Find Full Text PDFResponsiveness of glycyrrhetinic acid modified liposome toward secretory phospholipase A and its growth inhibitory in Colo205 cells.
J Liposome Res
January 2025
School of Pharmacy and Food Engineering, Wuyi University, Jiangmen, Guangdong, China.
This study aimed to design a novel liposome containing GA modified phosphatidylcholine lipid (GA-PC Lip) and determine its susceptibility to tumor over-expressed secretory phospholipase A (sPLA) and its anti-cancer effect compared to conventional liposomes (Convention Lip). The liposomes were characterized for size, drug loading, encapsulation efficiency, and stability. A 6-CF release assay was conducted to assess the sensitivity of the liposomes to the tumor-overexpressed secretory phospholipase A (sPLA).
View Article and Find Full Text PDFThe secretory function of adipose tissues in metabolic regulation.
Life Metab
April 2024
Key Laboratory of Metabolism and Molecular Medicine of the Ministry of Education, Department of Biochemistry and Molecular Biology of School of Basic Medical Sciences and Department of Endocrinology and Metabolism of Zhongshan Hospital, Fudan University, Shanghai 200032, China.
In addition to their pivotal roles in energy storage and expenditure, adipose tissues play a crucial part in the secretion of bioactive molecules, including peptides, lipids, metabolites, and extracellular vesicles, in response to physiological stimulation and metabolic stress. These secretory factors, through autocrine and paracrine mechanisms, regulate various processes within adipose tissues. These processes include adipogenesis, glucose and lipid metabolism, inflammation, and adaptive thermogenesis, all of which are essential for the maintenance of the balance and functionality of the adipose tissue micro-environment.
View Article and Find Full Text PDFResveratrol-driven macrophage polarization: unveiling mechanisms and therapeutic potential.
Front Pharmacol
January 2025
Department of Neurosurgery West China Hospital, Sichuan University, Chengdu, China.
Resveratrol, a polyphenolic compound known for its diverse biological activities, has demonstrated multiple pharmacological effects, including anti-inflammatory, anti-aging, anti-diabetic, anti-cancer, and cardiovascular protective properties. Recent studies suggest that these effects are partly mediated through the regulation of macrophage polarization, wherein macrophages differentiate into pro-inflammatory M1 or anti-inflammatory M2 phenotypes. Our review highlights how resveratrol modulates macrophage polarization through various signaling pathways to achieve therapeutic effects.
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