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This Delphi consensus study provides expert insights into hair aging, aims to enhance diagnostic precision and management of age-related hair changes, and identifies possible new therapeutic targets.

In this study, altering the photoperiod in goats increased hormone concentrations and improved hair follicle development and skin antioxidant capacity, suggesting that short photoperiods may create favorable conditions for cashmere growth.

This study observed that a significant majority of participants who used the dietary supplement Nutrifii™ Renew reported improvements in various health outcomes, including sleep and energy, compared to a multivitamin/mineral group.

This research quantified the fidelity of human mitochondrial DNA polymerase and found it averages 1 error in 440,000 nucleotides, impacting its function related to disease and mitochondrial health.

Lower GATA3 levels in mice help hair regrow by changing certain immune cells.

This study found that dauricine, a natural compound, may inhibit cell growth and enhance apoptosis in neuroblastoma and glioblastoma by blocking the Oct4/Shh pathway and AKT/β-catenin signaling.

In this study, researchers used advanced four-dimensional optical imaging techniques to observe changes in skin afflicted with acne, finding increased epidermal thickness, keratinized hair follicles, inflammation, and aggregated blood flow, helping to distinguish between inflammation and reparative phases of acne progression.

Caloric restriction improves skin and fur structure but can cause muscle loss and movement issues.

This study found that cadmium levels were significantly higher in women with chronic telogen effluvium compared to healthy controls, suggesting cadmium toxicity might contribute to this hair shedding condition.

This study in neonatal rats found that inhibiting neurosteroid synthesis with finasteride unexpectedly reduced the severity and duration of neonatal seizures following birth asphyxia, maintained cognitive functions, but increased anxiety-like behaviors, highlighting a complex role of neurosteroids in hypoxic-ischemic encephalopathy outcomes.

In this study, NAC was observed to counteract the negative effects of cyclophosphamide on hair follicles in mice, preserving both biochemical parameters and hair structure, suggesting its potential as a therapeutic option for chemotherapy-induced hair loss.

This study found that maize root hairs respond differently to cold stress based on severity, with mild cold allowing limited growth through adaptive remodeling, while severe cold causes more pronounced inhibition and prioritizes stress defense, affecting transcriptome and morphology.

This study used transcriptome analysis to explore the genetic mechanisms behind the development and seasonal variation of nuptial pads in R. chensinensis, identifying key genes and processes that suggest the pads' development involves complex regulatory pathways, particularly those related to cell cycle and hormone synthesis.

In this study, a young Chinese male with a specific mitochondrial mutation was reported to have proteinuria and renal dysfunction, with stable kidney function after treatment over 23 months.

This study found that in SAMP8 mice, phenotypic changes in outer hair cells or the stria vascularis, possibly due to oxidative deficiencies, may predict variability in age-related hearing loss before outer hair cell loss occurs.

This article discusses a novel hypothesis on the role of hair follicles in dandruff pathogenesis, focusing on immune response and inflammation due to scalp microbiota changes and sebum by-products, but reports no new clinical results.

In this study, researchers identified key lncRNAs and target genes potentially involved in the transformation of the hair follicle cycle, which could advance understanding of lncRNAs' roles in hair follicle development.

In this study, a new apple stem cell extract serum significantly improved signs of skin aging and enhanced cell metabolism in human senescent fibroblasts, showing visible effects after one week of use.

This review discusses the role of leptin in skin biology and pathology, highlighting its potential in enhancing skin regeneration, hair cycle progression, and wound healing, but reports no new clinical results.

This study found that knocking down lncRNA MTC in Liaoning Cashmere goat skin fibroblasts reduced cell proliferation and altered protein expression, suggesting its role in hair growth and regulatory pathways.

This study explored the effects of DPP, a 15-PGDH inhibitor, on human follicle dermal papilla cells damaged by dihydrotestosterone and observed that DPP enhanced wound healing, reduced reactive oxygen species, and increased hair growth in ex vivo human hair follicle cultures.

This study identified Azithromycin and Roxithromycin as novel senolytic antibiotics that effectively target and reduce senescent human fibroblast cells.

This review discusses the impact of melatonin and its metabolites on skin aging, summarizing how they may serve as "aging neutralizers" through their anti-oxidative and anti-inflammatory properties, but reports no new clinical results.

This review examines melatonin's potential effects on human skin and hair follicle pigmentation, highlighting the need to confirm findings from cell cultures in physiological tissue contexts.

This article reviews how stem cell exhaustion contributes to aging, emphasizing the balance between proliferation and quiescence as crucial for long-term stem cell maintenance, but it reports no new results.

In this animal study, finasteride significantly improved autism-like symptoms in rats by reversing biochemical markers and enhancing behaviors, potentially due to its antioxidant and anti-androgen effects.

This review suggests that hair loss involves a complex interplay of androgen signaling with various regenerative and inflammatory pathways, challenging the view of dihydrotestosterone as the sole cause.

This narrative literature review by LUSTRAO examines the complex biological mechanisms influencing hair growth and loss, highlighting that androgen signalling, while significant, works within a network involving regenerative, inflammatory, and vascular processes, without establishing it as the sole explanation for conditions like androgenetic alopecia.

In this exploratory in vitro study, treatment with spermidine increased cell viability and altered gene expression in human epidermal keratinocytes, suggesting potential benefits to cellular health and function, though effects on mitochondrial markers were not significant.