Fight Aging! Newsletter, May 9th 2022
In conclusion, although several favorable effects are obtained in our heterochronic non-myeloablative transplantation model, additional optimization is needed for better rejuvenation effects.
More on GPNMB as a Target for Senolytic Therapies to Clear Senescent Cells
https://www.fightaging.org/archives/2022/05/more-on-gpnmb-as-a-target-for-senolytic-therapies-to-clear-senescent-cells/
You might recall that researchers recently demonstrated that vaccination against GPNMB is a senolytic strategy, reducing the harmful burden of senescent cells in aged tissues by directing the immune system to destroy these cells. Here the same team reports on their further investigation of the role of GPNMB in senescent cells. Why is GPNMB expression upregulated in senescent cells to the point of it being a good target for immune based senolytic therapies? The answer appears to be that it is protective against certain forms of stress inherent in the state of cellular senescence.
Accumulation of senescent cells in various tissues has been reported to have a pathological role in age-associated diseases. Elimination of senescent cells (senolysis) was recently reported to reversibly improve pathological aging phenotypes without increasing rates of cancer. We previously identified glycoprotein nonmetastatic melanoma protein B (GPNMB) as a seno-antigen specifically expressed by senescent human vascular endothelial cells and demonstrated that vaccination against Gpnmb elimin...
Source: Fight Aging! - Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
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