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Senescent T Cells Cause Changes in Fat Tissue that are Harmful to Long-Term Health

Senescent T Cells Cause Changes in Fat Tissue that are Harmful to Long-Term Health

There is a much greater awareness in the scientific community of the importance of cellular senescence to aging. Senescent cells are influential in the progression of many facets of aging and age-related disease, and a new industry is working to produce senolytic therapies to clear senescent cells from old tissues. Further, there is funding and interesting for investigations of the many specific ways in which senescent cells cause harm. The open access paper noted here is an example of this sort of research, which the inflammatory signaling of senescent T cells is implicated as a contributing cause of detrimental age-related changes in fat tissue metabolism.

It has become evident that adipose tissue plays an endocrine function, not merely an energy reservoir pool, and exerts a fundamental influence on metabolic regulation. Adipose tissue is classified as white adipose tissue (WAT) and brown adipose tissue (BAT). BAT has been considered a key for thermogenesis to maintaining body temperature, while WAT stores and releases lipids and is involved in promoting inflammation. BAT “whitening” refers to acquisition of white adipocyte characteristics with enlarged lipid droplets and loss of normal structure and function of brown adipocyte. Age-related alteration in adipose tissues

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Article originally posted at

www.fightaging.org

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