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In this study, the HairCheck device was reported to accurately assess changes in hair density and diameter, suggesting its usefulness in monitoring alopecia progression and treatment response.

This review discusses strategies for developing semi-solid topical generic products to match the quality of reference-listed drugs, using concepts like quality by design and reverse-engineering, but reports no new results.

This study found that individuals with early onset extensive androgenetic alopecia have an elevated ratio of DHT to testosterone, but no significant genetic linkage to markers on chromosomes 2 or 5 was detected.

This review discusses the association between androgen receptor CAG repeat polymorphism and several health conditions, including Kennedy’s disease and urologic disorders, without reporting new clinical results.

This review discusses genetic factors contributing to susceptibility and outcomes in COVID-19, including ACE, ACE2, TMPRSS2 variants, HLA genotype, and ABO blood group, but reports no new experimental results.

This review summarizes how common polymorphisms in androgen and estrogen receptor genes may influence aging-related symptoms and diseases in men, but it reports no new clinical results.

Certain gene variations in EGF and EGFR may increase the risk of alopecia areata in Koreans.

This study found that the CYP3A4 rs4646437 genotype was significantly associated with ALT elevation in Japanese patients undergoing asunaprevir plus daclatasvir therapy for chronic HCV infection, suggesting genotyping may help in monitoring patients safely.

This review discusses the potential role of androgen receptor CAG repeat polymorphism testing in hypogonadism management for both sexes, but its clinical utility remains unclear and requires further investigation.

This article provides guidelines for molecular genetic testing of congenital adrenal hyperplasia due to 21-hydroxylase deficiency, focusing on quality requirements, methodologies, and variant classification; it reports no new clinical results.

This study found that cortisone reductase deficiency is caused by inactivating mutations in the H6PD gene, affecting cortisol metabolism by preventing 11β-HSD1 enzyme function.

This article reviews major types of genetic hair shaft defects and associated syndromes, emphasizing understanding histologic features and diagnostic methods, but reports no new clinical findings.

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.

Genes and hormones cause hair loss, with four genes contributing equally.

This study suggests that androgen receptor gene CAG repeat length may influence serum free testosterone levels in some PCOS patients, with longer repeats associated with higher testosterone concentrations.

In this study, researchers identified a gene expression pre-pattern and implicated the Wnt inhibitor Dickkopf 4 in the formation of color patterns in domestic cat embryos.

This study identified two significant genomic regions potentially involved in hair development and growth in Casertana pigs, highlighting FOXN3 and ARHGEF10 as candidate genes associated with a hairless phenotype.

Certain variations of the HDAC9 gene can increase or decrease stroke risk in the Chinese population.

This study found dependencies between genetic variants and various phenotypes related to fetal and early childhood growth and neurological development in healthy infants, suggesting significant gene candidates for further investigation.

In this study, NIH hairless mice showed increased susceptibility to Listeria monocytogenes infection compared to NIH mice, potentially due to differences in gut microbiota and monocyte levels.

This study found that the rs2228570 polymorphism of the VDR gene was associated with an increased risk of melanoma, while the rs731236 polymorphism was linked to a protective effect against the disease in Colombian patients.

This study found that certain genetic variants, specifically CYB5R1 and IL1A, may be linked to different types of acne scarring, with CYB5R1 associated with atrophic scarring and IL1A with fibrotic scarring, indicating a potential polygenic nature of acne scarring.

This genetic study identified a potential interval for the Marie Unna hypotrichosis gene but found no mutations in the nearby hr gene, suggesting its involvement remains unconfirmed.

This study found that mosaic mutations in the CARD14 gene are linked to inflammatory linear verrucous epidermal naevus in two patients, who experienced significant improvement with the IL12/IL23 inhibitor Ustekinumab.

This study observed that Greek Caucasian women with PCOS had distinct serum hormone levels and a specific AKT2 gene SNP, which may play a role in the condition's characteristics.

This review discusses genetic susceptibility and dietary factors influencing COVID-19 severity and summarizes the genetic variants linked to infection outcomes, but it reports no new clinical results.

This review explores the hypothesis that polycystic ovary syndrome may originate in fetal life due to genetic predispositions and environmental influences, but it reports no new clinical findings.

This article discusses the potential link between genetic variants associated with androgen receptor activity and racial variations in COVID-19 mortality, suggesting a possible role for anti-androgens in treatment, but reports no new clinical findings.

This publication is a letter discussing the association between an androgen receptor genetic variant and COVID-19 disease severity in hospitalized male patients, but it reports no new research results.