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This study found that high-resolution tusk isotope profiles from an African elephant can serve as a proxy for the seasonality of diet and precipitation, helping to reconstruct vegetation and climate in modern and fossil ecosystems.

This study identified six species of ectoparasitic insects infesting domestic goats in Bulgaria, with Linognathus stenopsis being the most prevalent across the surveyed farms.

This study found that dermal papilla cells from balding scalp hair follicles have significantly higher levels of androgen receptors than those from non-balding follicles, supporting their in vivo androgen response.

This study demonstrates the potential of using bioengineered follicles from adult tissue-derived stem cells for fully functional hair regeneration, illustrating possible applications in organ replacement therapy.

This study found that latanoprost induces significant growth and pigmentation of lashes and ancillary hairs, with effects mirroring both brief and chronic treatments observed in patients and animal models.

This article discusses the influence of estrogens on hair follicle growth and metabolism, suggesting a significant role alongside androgens in hair growth control but reports no new clinical results.

Androgens can cause hair growth in some areas and hair loss on the scalp.

This study suggests that melatonin plays a role in hair follicle function by modulating growth and pigmentation, and it may act as a protective agent in active hair growth phases.

This study found that human hair follicles express ATP-sensitive potassium channels, suggesting that minoxidil acts on these channels and that drugs targeting them may treat hair disorders.

This review explores the hormonal regulation of hair growth and changes with season, age, and sexual development, and calls for improved treatments for hair disorders.

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 study found that in captive mouflon rams, reproductive and physical maturation, marked by changes in hormone levels and physical attributes, progresses gradually across their life span, with sexual maturity tied closely to physical maturity.

This review examines the neuroendocrine mechanisms underlying seasonal changes in mammals and highlights areas needing further research, reporting no new experimental results.

This study describes a simplified method for isolating and cultivating human hair follicle papillae that can be easily executed by new lab personnel.

This review discusses current knowledge on the biological mechanisms of different types of alopecia but reports no new clinical findings; the authors highlight future research directions, especially regarding epidermal stem cells and immune pathways.

This review discusses how macro-environmental factors such as intradermal adipose tissue and sex hormones influence hair and feather stem cell niches, suggesting environmental targets for regenerative medicine, but reports no new clinical results.

This study demonstrated that bioengineered hair follicles reconstituted from embryonic skin cells and transplanted into hosts can restore physiological hair functions, suggesting potential applications for treating alopecia.

This article explores how extrafollicular environments and stem cell configurations influence hair and feather regeneration but provides no new experimental results.

This study found that prolactin plays a direct role in regulating the timing of hair growth cycles in mice by affecting the skin, rather than through other endocrine factors.

This review discusses hormonal influences on hair growth and suggests that understanding hormone-gene interactions may improve treatment of hirsutism and alopecia, but reports no new clinical findings.

This study found that androgen receptor activation in adult mouse skin reduces β-catenin-induced hair follicle growth and sebaceous gland conversion, highlighting its role in stem cell fate decisions.

In this in vitro study, minoxidil, diazoxide, and the novel compound NNC 55-0118 increased hair follicle growth, supporting deer follicles as a viable bioassay for ATP-sensitive potassium channel modulators.

This study found that protease nexin-1 mRNA is expressed in human dermal papilla cells and is downregulated by dihydrotestosterone in balding scalp, suggesting a role in male-pattern baldness progression.

This article reviews the interaction between sex hormone pathways and morphogenesis-related signaling in epithelial organ development, using a chicken model to propose testable hypotheses, but reports no new clinical results.

This study found that androgen signaling has complex effects on bone formation in male AR3.6-transgenic mice, with varying impacts based on the embryonic lineage of cells.

This study found that a stochastic follicular automaton model replicates hair follicle cycle fluctuations, with deterministic simulations aligning with steady-state levels as follicle numbers increase.

This study established an androgen-responsive human organ culture model using hair follicles, demonstrating that women's intermediate facial follicles grow more hair in response to men's higher androgen levels.

This review discusses using cultured dermal papilla cells to investigate hair follicle biology, emphasizing their potential to inform treatments, but reports no new clinical results.

This study found that dermal papilla cells from balding follicles exhibit distinct growth characteristics compared to non-balding cells, suggesting their potential as a model for understanding androgenetic alopecia.

This study cataloged several long non-coding RNAs and microRNAs in cashmere goat dermal papilla cells, suggesting these non-coding RNAs may play a role in hair follicle stem cell activation and hair growth.