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Enhancing immunity during ageing by targeting interactions within the tissue environment.
Nat Rev Drug Discov
January 2025
Division of Medicine, University College London, London, UK.
Immunity declines with age. This results in a higher risk of age-related diseases, diminished ability to respond to new infections and reduced response to vaccines. The causes of this immune dysfunction are cellular senescence, which occurs in both lymphoid and non-lymphoid tissue, and chronic, low-grade inflammation known as 'inflammageing'.
View Article and Find Full Text PDFHighly efficient construction of monkey blastoid capsules from aged somatic cells.
Nat Commun
January 2025
State Key Laboratory of Primate Biomedical Research; Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan, China.
Blastoids-blastocyst-like structures created in vitro-emerge as a valuable model for early embryonic development research. Non-human primates stem cell-derived blastoids are an ethically viable alternative to human counterparts, yet the low formation efficiency of monkey blastoid cavities, typically below 30%, has limited their utility. Prior research has predominantly utilized embryonic stem cells.
View Article and Find Full Text PDFNEAT1 regulates BMSCs aging through disruption of FGF2 nuclear transport.
Stem Cell Res Ther
January 2025
College & Hospital of Stomatology, Key Laboratory of Oral Diseases Research of Anhui Province, Anhui Medical University, Hefei, 230032, China.
Background: The aging of bone marrow mesenchymal stem cells (BMSCs) impairs bone tissue regeneration, contributing to skeletal disorders. LncRNA NEAT1 is considered as a proliferative inhibitory role during cellular senescence, but the relevant mechanisms remain insufficient. This study aims to elucidate how NEAT1 regulates mitotic proteins during BMSCs aging.
View Article and Find Full Text PDFMangiferin 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 PDFNorharmane prevents muscle aging via activation of SKN-1/NRF2 stress response pathways.
Redox Biol
January 2025
Aging and Metabolism Research Group, Korea Food Research Institute, Wanju-gun, South Korea; Department of Food Biotechnology, Korea University of Science and Technology, Daejeon-si, South Korea. Electronic address:
Sarcopenia, the age-related decline in muscle mass and function, is a significant contributor to increased frailty and mortality in the elderly. Currently, no FDA-approved treatment exists for sarcopenia. Here, we identified norharmane (NR), a β-carboline alkaloid, as a potential therapeutic agent for mitigating muscle aging.
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