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- W1986621907 abstract "p53 is an important inducer of organismal aging. However, its roles in the aging of skin remain unclear. Here we show that mice with chronic activation of p53 develop an aging phenotype in the skin associated with a reduction of subcutaneous fat and loss of sebaceous gland (SG). The reduction in the fat layer may result from the decrease of mammalian TOR complex 1 (mTORC1) activity accompanied by elevated expression of energy expenditure genes, and possibly as compensatory effects, leading to the elevation of peroxisome proliferator-activated receptor (PPAR)γ, an inducer of sebocyte differentiation. In addition, Blimp1(+) sebocytes become depleted concomitantly with an increase in cellular senescence, which can be reversed by PPARγ antagonist (BADGE) treatment. Therefore, our results indicate that p53-mediated aging of the skin involves not only thinning through the loss of subdermal fat, but also xerosis or drying of the skin through declining sebaceous gland activity." @default.
- W1986621907 created "2016-06-24" @default.
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- W1986621907 date "2014-03-27" @default.
- W1986621907 modified "2023-10-07" @default.
- W1986621907 title "p53 induces skin aging by depleting Blimp1+ sebaceous gland cells" @default.
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- W1986621907 doi "https://doi.org/10.1038/cddis.2014.87" @default.
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