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This study observed that PAD type III and trichohyalin are expressed earlier than their deiminated form during the first and second hair cycles in rat hair follicles, indicating a potential additional factor is involved in triggering deimination.

This study observed that among Iraqi women with hirsutism, most had hypothyroidism and elevated hormone levels, particularly DHEAS and testosterone, with acne being the most common associated clinical feature.

This study suggests that both the central biosynthesis and metabolism of progesterone to 3α,5α‐THP in the ventral tegmental area are crucial for facilitating lordosis in female rats.

This study found that in yak hair follicles, TGF-β2 significantly contributes to the transition from growth to regression phases via inducing apoptosis, whereas HSP70 appears to inhibit follicle regression by protecting epithelial cells from apoptosis.

This study found that experimentally induced hypothyroidism in rats is associated with impaired skin structure, but topical application of triiodothyronine (T3) improved these changes to resemble normal skin.

This study found that premature hair greying may be associated with low serum ferritin and raised anti-TPO levels.

In this study, researchers found that the prevalent Glu 410 Lys mutation in hHb6 and a new Glu 403 Lys mutation in hHb1 are linked to monilethrix, suggesting a mutational hotspot in type II hair keratins.

This study suggests that human dermal papilla cells respond to hypoxia by increasing the expression of HIFs, TGF-β2, and BMP4, which may influence hair cycle regulation.

This study suggests that Houttuynia cordata extract may promote hair growth by stimulating dermal papilla cell proliferation and extending the anagen phase through enhanced energy metabolism and gene expression changes.

This study reports that melatonin influenced HaCaT cell proliferation, with high concentrations reducing DNA synthesis and low concentrations enhancing it after 24 hours.

This study identified the Itpr3 gene as responsible for the tufted hair loss phenotype in the BTBR mouse strain.

This study found that applying supraphysiologic doses of topical T3 significantly accelerated wound healing in mice compared to a control vehicle, suggesting its potential as a cost-effective wound treatment.

This study found that cutaneous pyridoxal 5'-phosphate hydrolase activity may be carried out by an enzyme different from the classical tissue-nonspecific alkaline phosphatase in human and mouse skin.

This study identified a novel mutation, R430Q in the KRT86 gene, in a Han family with monilethrix, which may contribute to the disease's pathogenic mechanism.

In this case report, a 36-year-old patient undergoing secukinumab treatment for psoriasis experienced both hepatitis B reactivation and hair discoloration, suggesting a potential link between these effects, though further studies are needed to understand this relationship.

This study reported that severe hypothyroidism in two pediatric patients was associated with transient liver and kidney dysfunction, which resolved after beginning levothyroxine treatment.

This article lists the clinically important interactions and skin reactions of several drugs and substances, including THA, FK506, tamoxifen, tamsulosin, tartrazine, tea tree oil, temazepam, and temozolomide, but provides no new clinical results.

Trichohyalin in hair can trigger immune attacks in alopecia areata.

This study found that genes encoding mouse high-glycine/tyrosine proteins show distinct spatial and temporal expression patterns in hair follicles, suggesting diverse protein distribution during hair growth cycles.

This article discusses thallium absorption, excretion, and its toxic effects on humans and animals, emphasizing the need for monitoring in areas with significant environmental contamination; no new clinical results are reported.

Certain enzymes react strongly with some hormones in rat skin during hair growth, mainly in sebaceous glands and hair sheaths.

In this study, dihydroartemisinin reduced prostate enlargement and related markers in a rat model of benign prostatic hyperplasia, suggesting its potential as a therapeutic agent.

This study found that testosterone propionate increased hair mass in female hamsters' flank organs, while cyproterone acetate applied topically reduced androgen-stimulated hair in a dose-dependent manner.

This study identified a new type II cytokeratin, named K6hf, exclusively expressed in the companion layer of the human hair follicle, distinguishing it from other keratins and suggesting a unique biochemical role.

In this study, a single dose of PTH–CBD produced a sustained increase in bone mineral density for up to a year in mice, indicating its potential as an osteoporosis treatment.

This case report describes a woman whose intense focus on her hair was a sign of severe brain dysfunction, raising awareness for physicians about this potentially overlooked danger.

This study found that knockout mice lacking intestinal hephaestin are smaller and anemic compared to wild-type, suggesting other mechanisms may compensate for iron absorption.

This study describes a Japanese family with monilethrix and found no clear genotype/phenotype correlation in cases with the E413K mutation in hHb6.

In this study, oral Tribulus terrestris extract significantly increased MSH expression in mouse hair follicle melanocytes, suggesting enhanced melanocyte activity and migration.