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This study found that autophagy activation in hair follicle stem cells shifted their metabolism to glycolysis, which promoted hair growth by initiating the hair follicle cycle.

This chapter reviews the basic physiology and causal mechanisms of hair follicle disorders, but it reports no new clinical results.

This study highlights that stress-induced activation of the HPA axis in human hair follicles can lead to hair growth arrest, but variability in follicle response complicates potential therapeutic approaches.

This study observed that Biofield Energy Treated William’s Medium E increased telogen follicle formation in vibrissae hair follicle culture cells, suggesting potential hair growth promotion.

This study used electron microscopy to characterize tissues on telogen hair roots, finding that tissue quality, including nucleated and nonnucleated epithelial cells, may play a crucial role in DNA typing for forensic analysis.

This article discusses the hair follicle's regenerative cycles and the molecular mechanisms influencing them, emphasizing the need for therapeutic targeting of the "hair cycle clock" to manage hair growth disorders, without reporting new research findings.

This study found that anagen-phase hair follicles in mice are particularly sensitive to damage by ruby laser pulses, resulting in alopecia without scarring, suggesting enhanced laser hair removal strategies.

This review discusses the changes in hair follicles with aging, particularly graying due to decreased melanocyte activity, and suggests potential for hair repigmentation under certain conditions, but reports no new results.

This research found that spontaneous and depilation-induced hair growth result in biologically distinct telogen phases in murine skin, with variations in thickness, pigment content, and hair follicle composition.

This study found that IPL hair reduction led to significant decreases in hair count and thickness by promoting hair follicle miniaturization, increased telogen phase, and reduced cell proliferation.

This study found that minor ginseng saponin F2 may promote hair growth more effectively than finasteride by enhancing anagen induction and modulating the Wnt signaling pathway in cell and mouse models.

This review discusses the expression of circadian genes in hair follicles and their potential for monitoring circadian-rhythm-related conditions, reporting no clinical results; the authors suggest combining hair sampling with other assessments for better insight.

This review of murine studies reports that γ-rays affect hair follicle pigmentation in mice throughout the hair cycle, while effects on hair structure may be obscured by aging.

This study found that Hopx labels a long-lived progenitor population in hair follicles, which contributes to hair follicle stem cell homeostasis and has an alternative origin from previously thought progenitors.

Basonuclin helps identify and track hair follicle development and cycling in mice.

In this mouse study, NF-κB was shown to play a role in hair follicle cycling and morphogenesis, with specific activity patterns differing by hair type and involving noncanonical signaling for zigzag hair bending.

This review discusses "follicular hypoglycania" as a potential pathology in hair growth disorders and reports that proteoglycan replacement therapy may improve hair loss treatments, though it presents no new clinical trial results.

This study found that a spermidine-based nutritional supplement increased the number of anagen phase hair follicles in healthy humans, suggesting potential benefits for hair loss conditions.

This study found that Thai males with androgenic alopecia displayed lower average hair density in the occipital scalp compared to other Asian populations, but higher than those with advanced AGA.

This article is a case report on severe hair loss due to telogen effluvium occurring during inpatient rehabilitation and does not provide new clinical results.

Basonuclin is crucial for hair follicle development and cycling in mice.

In this report, a 2-year-old male with GAPO syndrome exhibited androgenetic-like alopecia with normal testosterone levels and telogen hair loss, which are novel findings for this condition.

This article reviews follicular melanogenesis, detailing how melanin synthesis and its regulation in hair follicles depend on a complex interplay of cellular and molecular mechanisms, but reports no new clinical findings.

This article reviews the role of epithelial-mesenchymal interactions in hair follicle morphogenesis and the hair cycle, suggesting potential paths for developing treatments for hair growth disorders but providing no new clinical findings.

This study defines classification criteria for hair follicle dystrophy using a mouse model of chemotherapy-induced alopecia, providing tools for standardized hair damage assessment.

This study found that prolactin and its receptor are expressed in the murine hair follicle epithelium, influencing hair cycle phases by down-regulating keratinocyte proliferation during anagen and inducing premature catagen.

This review discusses the shedding phase of the hair cycle, known as exogen, and reports no new findings while analyzing related processes like club fiber formation and release.

This study reports that using laser microdissection to isolate telogen hair follicles significantly improves DNA extraction efficiency for STR typing, reducing contamination from keratin.

This study suggests that Myc superfamily transcription factors may have distinct roles in different epithelial compartments of the human hair follicle, possibly influencing cell fate in the putative stem cell compartment.

This study found that the dermal papilla of the hair follicle regulates stem cell quiescence and regeneration by modulating Shh and Wnt signaling pathways, highlighting the importance of signaling cross talk in regeneration.