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Evaluation of an oral telomerase activator for early age-related macular degeneration - a pilot study
Purpose: Telomere attrition and corresponding cellular senescence of the retinal pigment epithelium contribute to the changes of age-related macular degeneration. Activation of the enzyme telomerase can add telomeric DNA to retinal pigment epithelium chromosomal ends and has been proposed as a treatment for age-related macular degeneration. We report the use of a small molecule, oral telomerase activator (TA)-65 in early macular degeneration. This study, focusing on early macular degeneration, p...
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| Categories: | Tags: drusen, macular degeneration, micro-perimetry, senescence, telomerase activation, telomere | Comments: (0) | View Count: (1633)
Abrogation of age-induced microRNA-195 rejuvenates the senescent mesenchymal stem cells by reactivating telomerase
Here we present the first evidence that miR-195 overexpressed in old MSCs (OMSCs) induces stem cell senescence deteriorating their regenerative ability by directly deactivating telomerase reverse transcriptase (Tert), and abrogation of miR-195 can reverse stem cell aging.
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| Categories: | Tags: aging, stem cells, miR-195, telomerase, heart | Comments: (0) | View Count: (1525)