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This study concluded that the hairless protein interacts with the vitamin D receptor to repress transcription crucial for hair cycling, employing multiple protein interfaces and modulating chromatin structure.

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.

Diazepam's effects on anxiety and memory differ between male and female rats due to hormonal influences.

In this study, the researchers observed that MMP-2 and MMP-9 significantly fluctuated with the hair growth cycle in mice, suggesting their important role in hair development.

In this case study, a girl with hereditary vitamin D resistant rickets had a novel mutation in the VDR gene that affected hair cycling without causing total alopecia, suggesting ligand-independent VDR function in hair cycling.

In this study, deleting the Igf1 receptor in specific skin cells of mice affected hair follicle cycling but not overall skin health, suggesting Igf1r's role in hair cycle regulation through Bmp-4 activation.

This study found that hair regrowth in Pomeranians with hair cycle arrest treated with melatonin was not associated with a change in oestrogen receptor-α staining.

Hair growth phase in mice weakens certain immune responses.

This study found that in Pomeranians with Alopecia X, key genes in the Wnt and Shh signaling pathways and stem cell markers are downregulated, which may explain the absence of anagen hair follicles.

This study found that feeding mice high levels of dietary vitamin A increased WNT signaling, which activated hair follicle stem cells and may have accelerated alopecia areata progression.

This study found that osteopontin mRNA is abundantly expressed in dermal papilla cells during the catagen phase of hair growth in rats, suggesting a role in this phase.

This study found that injury affects the behavior of hair follicle dermal stem cells, steering them towards recruitment into the dermal papilla, a shift influenced by the hair cycle stage.

This study found that MED1 plays a role in maintaining keratinocyte quiescence and hair follicle stem cell populations, as its absence in mice led to increased keratinocyte proliferation and reduced stem cell numbers.

This study found that CD1d is strongly expressed in human scalp skin and hair follicles, particularly in the anagen phase, suggesting a role in scalp immunology and potential implications for hair disorder treatment.

This study found that collagen remodeling is more active in anagen-stage skin than in telogen-stage skin in mice, suggesting that collagen modifications may support hair follicle growth and migration.

In this case report, a 23-year-old man with alopecia universalis applied topical cyclosporine for several months, resulting in noticeable hair regrowth.

This study demonstrated that bioluminescence imaging of NG2+ cells in transgenic rats allows in vivo monitoring of hair follicle cycles to study hair growth and follicle regeneration.

This study found that irregular menstrual cycles in Brazilian adolescents were significantly associated with a higher occurrence of metabolic syndrome and polycystic ovary syndrome indicators.

This review discusses the hair eclipse phenomenon in hair cycling and the potential roles of synchronizers and microinflammation in its occurrence, reporting no new empirical findings.

In this study, human hair follicles showed varying expression of cholesterol transport proteins during the hair cycle, suggesting a potential role of cholesterol in hair growth and cycling.

PTH-CBD helps reduce hair loss in mice by stimulating hair growth directly.

In this study, researchers found that synchronization between expanding epithelial cells and background mesenchymal cells in the mouse hair cycle may be maintained by inhibitory regulation, with potential mediators of this regulation identified.

In this study, researchers used mRNA sequencing to identify and categorize over 49,000 contigs in goat skin, revealing significant gene activity related to metabolism, cell cycle, and cell division during hair growth.

This study found that finasteride decreases melanin levels in melanocyte and melanoma cells by inhibiting MC1R, without causing cytotoxicity, suggesting its potential role in regulating melanogenesis.

This study found that topical application of mitochondrial electron transport chain inhibitors stimulated hair follicle stem cell activation and hair regrowth in aged mice by promoting lactate production.

Testosterone boosts fluid and electrolyte secretion in seminal vesicles, aiding sperm function.

This study found that forming solid dispersions and inclusion complexes of finasteride significantly increased its solubility compared to its pure form.

This study found that administerating 10 mg/kg intramuscular fulvestrant did not stimulate hair regrowth in Pomeranian dogs with alopecia X, though higher doses may warrant further investigation.

This study observed that pelage development in male blue foxes born in early June was more synchronized than those born in early May, with differences likely influenced by melatonin levels.

Finasteride increases hair growth, prolongs hair cycle, and lowers dihydrotestosterone levels.