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This review outlines various causes and manifestations of hair loss, highlighting that each type has distinct underlying mechanisms and requires specific treatment approaches, without reporting new clinical results.

This study provides new insights into the identification and expression patterns of miRNAs in wool follicles, which could improve understanding of wool follicle development in sheep.

This study found that transforming growth factor-β1 and CX3CR1 are crucial for recruiting specific macrophages essential for wound-induced hair growth in mice.

This study suggests that prolactin has complex, gender- and location-dependent effects on human hair follicles, promoting hair growth in female frontotemporal scalp areas while inhibiting it in male occipital regions.

This study found that procyanidin B-3, a compound isolated from barley extract, may promote hair growth by enhancing hair epithelial cell growth and counteracting TGF-β1's growth-inhibiting effects in vitro and in vivo.

This review discusses advances in using molecular tools from skin biology to manipulate adult stem cells for regenerative medicine and reports no new clinical results.

This study found that intradermal administration of adipose-derived stem cell–conditioned medium significantly increased hair density and dermal thickness, suggesting potential regenerative effects on both hair follicles and the interfollicular scalp in patients with alopecia.

This study found that red ginseng oil and its major components improved hair regrowth in testosterone-treated mice by promoting an earlier anagen phase and altering related gene expressions.

In this study, mouse amnion epithelium was successfully transformed into skin and hair follicles when associated with hair-forming dermis, revealing the necessity of specific influences for follicle formation.

This study found that excipients significantly influence the effectiveness of curcumin nanocrystals in dermal applications, enhancing or hindering hair follicle targeting and passive diffusion based on their selection.

This study found that STAT5 activation in the dermal papilla acts as a key switch to trigger anagen entry in postdevelopmental hair follicle cycling.

This study demonstrated that topical oleuropein induced hair growth in mice by activating the Wnt10b/β-catenin signaling pathway and increasing expression of several growth-related genes in skin tissue.

This research discusses a novel imaging approach in live mice to study stem cell and niche interactions in tissue homeostasis and reports no new results.

This study found that placental growth factor (PlGF) enhanced hair shaft elongation and accelerated hair follicle growth, suggesting its potential as a therapeutic target for alopecia.

This study found that foot shock stress prolonged the telogen stage and delayed anagen induction in the hair cycle of non-depilated mice, potentially through stress-induced actions of substance P.

This study found enhanced remyelination in the corpus callosum of late pregnant rats compared to virgin and postpartum rats, suggesting a pregnancy-associated promyelinating effect mediated, in part, by the GABA A receptor system.

This review discusses the historical development and current challenges in in vitro hair follicle culture, highlighting a need for advanced models using cell lines and tissue engineering, and reports no new results.

This review evaluates dihydrotestosterone's role in androgenic alopecia and proposes a model suggesting that chronic scalp tension and inflammation contribute to hair follicle miniaturization, identifying fibrosis, calcification, and tension as treatment targets.

This study identified the Hairless (Hr) gene-encoded protein as a corepressor that plays a crucial role in maintaining skin and hair by regulating epithelial stem cell differentiation and gene expression via chromatin remodeling, which may impact both development and disease.

In this study on a murine model, researchers observed that a 5% minoxidil solution reduced stress-induced changes in hair growth, suggesting its potential for managing stress-related hair loss in humans.

This review discusses the current challenges and strategies in hair follicle bioengineering for treating hair loss and reports no new clinical results; it highlights ongoing hurdles and future directions for developing functional hair regeneration therapies.

This review discusses the roles of tissue-specific and mesenchymal stromal cells in tissue repair and reparative disorders, highlighting potential therapeutic targets for muscle, heart, and lung tissues.

This article reviews the causal mechanisms of hair follicle disorders, focusing on inflammation, genetics, environment, and hormones, but it reports no new clinical results.

In this study, microneedles combined with finasteride nanostructured lipid carriers (FIN-NLC-MNs) were found to enhance skin penetration and specifically target hair follicles, promoting hair growth and gene regulation in androgenetic alopecia.

This review discusses the function and pathology of hair follicles and highlights the potential of using dogs as a model to study human hair and stem cell disorders, but presents no new experimental results.

This study reported that treatments using ADSC-CM improved hair growth in all participants, with the most pronounced results after four sessions within three to four months.

This study found that 0.7% apple procyanidin oligomers applied externally for six months significantly increased hair growth in men with male pattern baldness compared to placebo, with no observed adverse effects.

This study found that neonatal mice without the urokinase-type plasminogen activator (uPA) gene had reduced epidermal proliferation rates, suggesting uPA's involvement in promoting keratinocyte proliferation.

This review discusses the role of immune cells in mammalian hair cycle control and highlights their potential relevance to human hair cycling disorders, reporting no new clinical findings.

This study identified 12 new genes associated with the hair follicle and various stages of the hair cycle in mice, which could lead to novel targets for hair growth or depilation therapies.