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This article describes the potential role of various growth factors and molecules in regulating mammalian hair follicle development but does not present new experimental results.

This study found that a non-scarring alopecia in C3H/HeJ mice resembles human alopecia areata and may serve as a valuable model for studying specific subtypes of the human condition.

This study suggests that IGF-I may mediate androgen-induced hair growth in outer root sheath cells cocultured with beard dermal papilla cells.

This study found that the switch-off of melanogenesis during the hair cycle in C57 BL-6 mice is a gradual and stochastic process starting in mid anagen VI, with specific biochemical markers indicating the transition to catagen.

This chapter reviews the male accessory sex glands in rats and their responses to hormonal influences, detailing common spontaneous changes and effects of compounds, but it provides no new experimental findings.

This review discusses various techniques for treating post-acne scars, highlighting new laser technologies and tissue augmentation methods, but reports no new clinical results.

In this study, oxidation hair dye formulations tested on mice showed no evidence of causing systemic toxicity or cancer over an 18-month period.

This study found that enzyme activity critical to cancer induction by polycyclic aromatic hydrocarbons in human hair follicles increased after using a crude coal tar-containing shampoo for four days and was substantially inhibited by imidazole compounds.

This chapter discusses androgen receptors and protein synthesis in the prostate, reporting that DHT-dependent receptor protein translocation increases protein-synthesizing activity after androgen injection in rat models.

In this study, zinc chloride was found to be severely irritant to the skin in rabbit, guinea-pig, and mouse models, while zinc oxide, zinc sulphate, zinc pyrithione, and zinc undecylenate showed minimal to no irritancy.

This review explores how copper and zinc concentrations in hair may serve as bioindicators and discusses their potential associations with health disorders, but it reports no new clinical findings.

This case series found that combining ablative fractional resurfacing and acoustic pressure ultrasound with triamcinolone treatment led to complete recovery in patients with areata alopecia.

This article discusses available methods for managing excessive facial hair growth in women and mentions that eflornithine 11.5% cream can reduce hair growth and the frequency of removal, but it reports no new clinical findings.

This study found that a combination of low-fluence Q-switched 1064 nm Nd:YAG laser, hydroquinone cream, and oral tranexamic acid showed promising results for Riehl’s melanosis in Asian patients, with no serious adverse events reported.

This study found that human beard hair follicles metabolize dehydroepiandrosterone into various compounds at significantly higher rates than those reported for human skin, suggesting unique metabolic processes in hair follicles.

This article discusses the synthesis and action of testosterone and its interaction with specific receptors, reporting no new research findings.

In this study, a UK expert panel discussed strategies for managing common side effects of vismodegib, a hedgehog pathway inhibitor used for advanced basal cell carcinoma, concluding that adverse events like taste disturbances and muscle cramps can be effectively managed to optimize treatment duration.

This study demonstrated that adapalene encapsulated in liposomes significantly improved drug delivery to hair follicles compared to gel and drug solution, potentially targeting acne treatment more effectively.

This study found that relatively low concentrations of 1,25(OH)2D3 stimulated human hair follicle and fiber growth, while higher concentrations inhibited growth in a whole-organ culture system.

The punch graft technique effectively redistributes hair to cover bald areas.

This study found that using an argon gas-based system for intralesional cryotherapy significantly reduced keloid scar volume, improved scar quality, and resulted in low recurrence rates after 12 months.

This study found that increased Bcl-2 protein expression after DPCP treatment was associated with hair regrowth in alopecia areata patients, suggesting its role in inhibiting apoptosis.

This study found that epithelial keratin K 6 is associated with hyperkeratotic and ulcerated changes in the gastric pars oesophagea of pigs, suggesting epithelial proliferation plays a role in ulcer development.

This open-pilot study found that topical 1% sildenafil did not show significant hair growth in children with alopecia areata, as outcomes seemed due to spontaneous disease regression.