Short telomeres correlate with a strong induction of cellular senescence in human dental follicle cells
نویسندگان
چکیده
منابع مشابه
Telomeres and Telomerase in Cellular Aging (Senescence)
Telomeres are bits of DNA on the ends of chromosomes that protect chromosomes from sticking to each other or tangling, which could cause DNA to abnormally function. As cells replicate, telomeres shorten at the end of chromosomes, and this process correlates to senescence [7] or cellular aging [8]. Integral to this process is telomerase, which is an enzyme that repairs telomeres and is present i...
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Replicative senescence is accompanied by a telomere-specific DNA damage response (DDR). We found that DDR+ telomeres occur spontaneously in early-passage normal human cells and increase in number with increasing cumulative cell divisions. DDR+ telomeres at replicative senescence retain TRF2 and RAP1 proteins, are not associated with end-to-end fusions and mostly result from strand-independent, ...
متن کاملDrug-induced premature senescence model in human dental follicle stem cells
Aging is identified by a progressive decline of physiological integrity leading to age-related degenerative diseases, but its causes is unclear. Human dental pulp stem cells (hDPSCs) has a remarkable rejuvenated capacity that relies on its resident stem cells. However, because of the lack of proper senescence models, exploration of the underlying molecular mechanisms has been hindered. Here, we...
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Background: Aging is one of the important factors in the development of age-related diseases. Acrylamide can be produced during carbohydrate-rich foods prepared at high temperatures. Recently, studies showed that acrylamide can induce cellular senescence. On the other hand, Rutin as a natural flavonoid, has a potent antioxidant activity. Objective: This study aims to evaluate the ptotective ef...
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در این رساله t_n - علیت قوی تعریف می شود. این رده ها در جدول علیت فضا- زمان بین علیت پایدار و علیت قوی قرار دارند. یک قضیه برای رده بندی آنها ثابت می شود و t_n- علیت قوی با رده های علی کارتر مقایسه می شود. همچنین ثابت می شود که علیت فشرده پایدار از t_n - علیت قوی نتیجه می شود. بعلاوه به بررسی رابطه نظریه دامنه ها با نسبیت عام می پردازیم و ثابت می کنیم که نوع خاصی از فضا- زمان های علی پایدار, ب...
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ژورنال
عنوان ژورنال: BMC Molecular and Cell Biology
سال: 2019
ISSN: 2661-8850
DOI: 10.1186/s12860-019-0185-4