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This review found a significant association between smoking and androgenetic alopecia, but notes a lack of studies on whether quitting smoking can improve hair loss.

This study identified specific genes and pathways in human Leydig cells that may contribute to Post-finasteride Syndrome, potentially informing future treatments to reverse persistent side effects.

This study found that arrector pili muscles formed by Sonic Hedgehog signaling play a critical role in maintaining sympathetic nerve connections to hair follicle stem cells, influencing hair regeneration, with implications for hair loss treatments.

This review discusses the role of mitochondria and evaluates methodologies for assessing mitochondrial function and toxicity, particularly in the context of HIV and antiretroviral treatments, but it reports no new empirical findings.

This study found that a truncated region of the K5 promoter directs expression in stratified epithelia, particularly in epidermis, hair follicles, and tongue, potentially involving specific keratinocyte nuclear proteins in regulation.

This study found that conserved DNA motifs and expression patterns in keratin genes suggest functional regulatory similarities in hair follicle differentiation across different mammalian species.

This research explores developing liposomal formulations to enhance the delivery of difficult-to-absorb agents directly to hair follicles and sebaceous glands, with minoxidil and plasmid DNA as study molecules.

In this study, UVB irradiation of organ-cultured human anagen hair follicles in vitro reduced hair elongation and increased cell death, affecting hair growth and regulatory processes.

In this study, the authors concluded that COVID-19 may not cause direct long-term harm to testicular function, but temporary indirect effects could occur, suggesting a possible delay in pursuing parenthood post-recovery.

This study found that applying superoxide dismutase (SOD) gel on mice protected against hair graying caused by UV-A and psoralen exposure, suggesting photosensitization may be a factor in hair aging.

This article reviews CRISPR/Cas system delivery methods for genome editing and highlights RNA's promise in non-viral in vivo applications but reports no new clinical results.

This study identified a novel human type I hair keratin, hHa3-II, as an isoform of a previously described hHa3 keratin, with distinct sequence differences indicating separate gene encoding.

This review examines how caloric restriction could promote autophagy to rejuvenate aging stem cells, though the precise molecular mechanisms remain unclear.

This source highlighted the promising potential of polynucleotides in aesthetic medicine but emphasized the need for rigorous, high-quality studies to validate their effectiveness and safety.

This article argues that lineage labeling with genetic markers is the gold standard for identifying epithelial stem cells, contrary to the view that in vitro methods alone are sufficient.

This review discusses the dual role of the TMPRSS2 gene in coronaviral lung infection and prostate cancer, cautioning against TMPRSS2 inhibitors for early prostate cancer due to potential pro-inflammatory effects.

This study proposes a model describing the transformation process from living to dead cells during early hair formation, highlighting the stepwise degradation of cellular functions.

This case report describes a 40-year-old man whose secondary infertility, observed after prolonged finasteride use for hair loss, resolved following discontinuation of the drug, resulting in a live birth.

In this study, a superoxide dismutase gel prevented hair graying in mice exposed to photosensitization, suggesting that antioxidants can protect against oxidative damage involved in hair aging.

This review discusses the role of hair follicle bacterial colonization in immune responses and the pathogenesis of alopecia but reports no new clinical results.

In this study of Han Chinese women, the mitochondrial DNA N haplogroup was associated with a higher risk of late-onset systemic lupus erythematosus and its specific manifestations, such as skin impairment and neurological disturbances.

This case report describes a patient with primary cutaneous natural killer/T-cell lymphoma, nasal type, where monoclonal Epstein–Barr virus genome expansion was associated with terminal aggressive behavior after an indolent clinical course.

This study found that retinoic acid pre-treatment enhanced the efficiency of gene transfer into mouse skin for potential therapeutic applications.

In this study, researchers found that inducing mitophagy can alleviate NLRP3 inflammasome activation in outer root sheath cells under conditions of mitochondrial stress, suggesting that targeting mitophagy and inflammasome interactions may offer new therapeutic approaches for alopecia areata.

This study found that topically applied liposomal spherical nucleic acids targeting the IL-17 receptor could effectively reduce psoriasis severity in preclinical models.

Gene therapy shows promise for improving wound healing, but more research is needed for human use.

This review discusses Charnoly bodies as biomarkers of cell injury and potential therapeutic targets in neurodegenerative, cardiovascular, and cancer treatments but reports no new clinical results.

This study identified a high-risk allele in the PLCD1 gene associated with hereditary trichilemmal cyst formation, proposing a monoallelic two-hit mechanism as the underlying genetic pathogenesis.

This study found that downregulation of Sonic hedgehog signaling may promote HPV replication and wart formation by inducing cell cycle arrest in keratinocytes.

This study found that tetracycline can adhere to hair follicle structures and disrupt cell metabolism, potentially damaging healthy human cells as well as pathogens.