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This article highlights advances in various physiological studies, including vitamin E's potential to improve aging-related outcomes in mice, but does not present new experimental results.

This study explores the correlation between sirtuins' expression, histone deacetylation, and redox status in young and old monozygotic twins to understand their role in age-related mechanisms.

This study found that prolonged administration of DHEA improved long-term memory and brain activity balance in old rhesus macaques, with effects like increased motor activity and restored hair lasting a year.

This study found that immune privilege collapse in the hair follicle bulge and associated immune responses may contribute significantly to the pathogenesis of lichen planopilaris, suggesting a potential autoimmune basis for the disease.

Caspase-7 has functions in skin and hair that are not related to cell death.

The conditions alopecia areata, primary sclerosing cholangitis, and ulcerative colitis may be linked by shared autoimmune and cell death mechanisms.

This study found that testosterone and 5α-dihydrotestosterone induced apoptosis in dermal papilla cells from nonbalding scalp regions, suggesting a high androgen stimulus can trigger cell death related to androgenetic alopecia.

This study suggests that programmed cell death plays a crucial role in shaping the structure of the human epidermis and its appendages during development.

This study found that overexpressing human Bcl-2 in mice protected epidermal keratinocytes from UVB-induced apoptosis but unexpectedly increased apoptosis during hair follicle regression and chemotherapy.

In this study, researchers observed that in advanced androgenetic alopecia, increased DNA damage in the frontal bald area may lead to cell apoptosis due to impaired repair capacity.

This study observed that the genes WNT7A, CASP7, and TNF were overexpressed in early stages of androgenetic alopecia, suggesting involvement of the WNT pathway, apoptosis, and inflammation in the disorder's development.

This study observed that a topical liposome formulation of a 5‐α‐reductase inhibitor effectively reduced the size of treated sebaceous glands and induced apoptosis in a hamster model, suggesting potential benefits for acne treatment.

This study suggests that low proliferation rates in bald areas of androgenetic alopecia patients, along with persistent inflammatory infiltrate, may lead to follicular miniaturization and fibrosis.

In this study, blocking autophagy with 3-methyladenine significantly improved the survival of inner ear hair cells in a gentamicin-induced ototoxic mouse model.

This study reports that overexpressing the BMP antagonist noggin in mice inhibits eyelid opening by reducing apoptosis and delaying cell differentiation in the eyelid epithelium.

This study found that apoptosis was more prevalent in hair follicles of women with female pattern hair loss, particularly in miniaturized follicles, and was associated with follicular inflammation.

This study found that ginsenoside F2 may suppress hair cell apoptosis and improve hair growth outcomes in a DHT-induced hair loss model more effectively than finasteride.

The study found that melatonin treatment in early postnatal cashmere goats increased both the quantity and quality of cashmere by promoting secondary hair follicle development and enhancing antioxidant enzyme activities.

In this study, a synthetic antagonist of the p75 neurotrophin receptor was found to significantly inhibit hair follicle regression in murine skin cultures, suggesting a potential role in treating hair disorders characterized by premature catagen entry.

This study found that topical application of TSG from Polygonum multiflorum promoted hair regrowth in depilated mice, potentially through the inhibition of apoptosis-related proteins.

In a depilated mouse model, this study found that blocking CXCL4 activity with an anti-CXCL4 monoclonal antibody promoted hair growth by inducing an earlier anagen phase, delaying hair follicle regression, and altering expression of genes and proteins related to hair growth and cell proliferation.

This study found that PM2.5 exposure induced oxidative stress in human keratinocytes and mouse skin, causing cellular damage, which was mitigated by the antioxidant N-acetyl cysteine.

This study introduced a new technique, 2Phatal, enabling precise apoptotic cell ablation in living animals, revealing unique cell-type differences in apoptosis-related dynamics.

This review suggests that isotretinoin's effects on severe acne and various cancers may result from apoptosis, which might also explain its adverse effects through genetic variability.

This study found that certain gene sets, including those involved in ligand-gated ion channel signaling and cell adhesion, are associated with Tourette syndrome, suggesting a potential neurobiological basis for the disorder.

This study found that PBX1 enhances the proliferation and reprogramming of hair follicle mesenchymal stem cells by activating the AKT/GSK3β signaling pathway, promoting NANOG expression, and inhibiting apoptosis.

This study suggests that finasteride may affect hair follicle growth by altering the expression of caspases and XIAP, potentially regulating the anagen phase of hair growth.

This study reports that finasteride treatment in men with androgenetic alopecia appears to restore caspase and XIAP expression in hair follicles to levels similar to those in individuals without the condition.

This study found that the small molecule honokiol may protect against inflammation, collagen breakdown, and cell damage caused by cigarette smoke in skin cells cultured in vitro.

This study found that PBX1 overexpression reduces hair follicle-derived mesenchymal stem cell senescence and apoptosis by interacting with SIRT1 and PARP1, highlighting a potential mechanism for addressing aging-related diseases.