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UV exposure leads to skin damage, thus inducing skin aging. The aims of this study were to explore the differences in tRNA-derived small RNAs (tsRNAs) expression in the Human dermal fibroblasts (HDF cells) photoaging cell model and to explore the biological functions of tsRNA in skin photoaging. In this study, we found that in both photoaging cell models and the skin of photoaging mice, the 5'-tiRNA-His-GTG expression levels were significantly elevated. In HDF cells, overexpression of...

The accumulation of senescent cells contributes to aging and related diseases; therefore, discovering safe senolytic agents-compounds that selectively eliminate senescent cells-is a critical priority. Heat shock protein 90 (HSP90) inhibitors (HSP90i), traditionally investigated for cancer treatment, have shown potential as senolytic agents. However, inhibitors face formulation, toxicity, and cost challenges. To overcome these limitations, we employed a virtual screening approach combining...

CONCLUSIONS: Our findings highlight the need for tailored treatment strategies for older breast cancer patients to balance treatment efficacy with quality-of-life considerations. These findings call for a strategic reevaluation of treatment protocols and emphasize the importance of personalized care, particularly for older women, to improve outcomes without sacrificing the quality of life while maintaining maximum survival potential.

INTRODUCTION: Inadequate primary care infrastructure and training in China and misconceptions about aging lead to high mis-/under-diagnoses and serious time delays for dementia patients, imposing significant burdens on family members and medical carers.

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