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This review discusses the role of cholesterol homeostasis in hair follicle biology and its potential connections to various hair disorders, but it reports no new findings.

This study found that the prevalence of PCOS among adolescent and young girls in India was 7.21%, with dysmenorrhea and acne being common symptoms.

This article discusses the use of cetuximab for recurrent squamous cell skin cancer in palliative care, noting good responses but frequent cutaneous side effects; it presents no new findings.

This case report observed significant improvement in post-concussion symptoms, such as sleep and energy levels, in a 23-year-old female following a clinical nutrition program.

This book reviews the biology and clinical assessment of both normal and abnormal hair growth, providing a detailed examination of various hair and scalp diseases but reports no new research findings.

This review discusses the hormonal impact on hair growth and the relationship between endocrine disorders and hair changes, reporting no new clinical results.

This case report describes two instances of naevoid bundle hair on the scalp, where multiple hairs group from separate follicles into a single sheath and show abnormal reactivity to keratin antibodies.

This study found that among Japanese women with diffuse hair loss, decreased hair density without changes in vellus hair was the most common and distinct pattern observed, highlighting differences from previous observations in other populations.

This study found that an adult female farm-raised blue fox exhibited an abnormal hair growth cycle and seasonal estradiol variation, with a delayed winter coat cycle resulting in spring shedding.

This review discusses the suitability of stump-tailed macaques and rodent models for studying hair growth and developing treatments for androgenetic alopecia, but reports no new experimental results.

In this study, the researchers observed that male pattern alopecia is characterized by miniature follicles, enlarged sebaceous glands, and an increased number of mast cells, without significant abnormalities in enzyme activity.

In a keratinocyte-specific knockout mouse model, this study found that deleting GRK2 disrupted hair follicle homeostasis, causing cyst-like structures, abnormal growth patterns, and eventual hair loss, suggesting potential links to immune-mediated alopecias.

This special issue reviews recent progress in hair research discussed at the 2001 International Hair Workshop, reporting developments in androgen action, stem cell biology, and potential therapies for hair growth disorders without presenting new experimental results.

This study concluded that mesotherapy with a dutasteride-containing solution was the most effective option for treating androgenetic alopecia in males, promoting hair growth and reducing hair loss.

This review discusses the physiology of hair growth, common abnormal patterns of hirsutism, and examines differential diagnoses and treatment options, but provides no new clinical findings.

This case study found that a 7-year-old girl's crystalline cataract had sulfur-containing amino acids likely cystine, and was associated with abnormal hair conditions.

Hirsutism is abnormal male-pattern hair growth in females due to excess androgens.

This review discusses various forms and categories of hypertrichosis, as well as methods for managing the condition, but does not report new clinical results.

In this study, researchers observed that administering the minimum dose of levothyroxine to a hypothyroid Dalmatian effectively restored normal skin condition and hormonal levels, suggesting levothyroxine's potential effectiveness in managing skin changes caused by hypothyroidism in dogs.

The researchers reported two brothers with a new variant of X-linked trichothiodystrophy associated with an RNF113A gene mutation, highlighting features such as intellectual disability and growth failure, but without previously reported endocrinological or genital abnormalities, underlining the importance of genetic counseling for such variants.

This study found a significant positive correlation between hair thickness and growth rate, with a notably slower growth rate observed in men with male pattern hair loss compared to healthy controls.

This study describes a 4-year-old boy who exhibits a rare, synchronized pattern of hair growth and shedding, unlike the typical asynchronous pattern seen in humans.

This review discusses "follicular hypoglycania" as a potential pathology in hair growth disorders and reports that proteoglycan replacement therapy may improve hair loss treatments, though it presents no new clinical trial results.

In this study, QR678® and QR678 Neo® injections significantly improved hair density and thickness in women with PCOS-related alopecia over eight sessions, with effects lasting over a year.

In this study, thymosin beta4 over-expression in transgenic mice was linked to accelerated hair growth and abnormal tooth development, suggesting roles in hair and tooth physiology.

This study found that serum androgen levels were associated with the severity of hirsutism in women, with significantly higher levels observed in those with moderate to severe hair growth.

This study found that Pmab treatment may alter hair follicle growth cycles, leading to trichomegaly and hypertrichosis, but these effects do not correlate with other skin toxicities.

This study suggests that Artemis, particularly phosphorylated at serine 516, may have roles in hair follicle growth by influencing differentiation, proliferation, apoptosis, and cell cycling.

This study found that crossbred lambs fed liquid diets with reconstituted cow's milk initially grew wool without crimp, with crimp resuming two weeks post-weaning.

In this study, researchers found that the efflux of calcium in root hairs of Arabidopsis thaliana, particularly through the ER-localized ACA2 and ACA7, is crucial for modulating cytoplasmic calcium signals and enabling proper root hair growth, with disruptions leading to impaired elongation.