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This study suggests that the keratins found in reptile and bird skin appendages evolved independently from mammalian hair keratins, highlighting convergent evolution in these species.

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 review explores theories on the evolution of hair from synapsid scales and glands, proposing mechanisms supported by comparative studies, but reports no new experimental findings.

This study found that mice lacking myelin protein zero-like 3 (Mpzl3) had reduced body weight and adiposity despite increased food intake, which was linked to higher energy expenditure and improved glycemic control.

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.

This study reported that Pantaneiro sheep from the Pantanal region of Brazil exhibit greater genetic variability and adaptability compared to the commercial Texel breed, highlighting their potential for further research and importance in Brazilian sheep farming.

This study found that specific genetic variants of the KAP22-1 gene in Egyptian sheep breeds were significantly associated with wool traits like crimp, staple length, kemp score, and greasy color grade, suggesting their potential use in breeding programs.

In this study, the authors identified the DHRS9 SNP rs72623193 as most significantly associated with response to dutasteride in treating male pattern hair loss, with additional variants potentially contributing.

This study identified genes potentially involved in the development and differentiation of skin appendages in Atelerix albiventris, noting significant enrichment of immune-related genes in hair-type tissues.

This study identified Armillaria gallica and Armillaria cepistipes as the most common symbiotic species with Polyporus umbellatus in China, and reported genetic diversity among their genotypes.

This review discusses the classification, diagnosis, and potential treatment pathways for Alopecia Areata, emphasizing the complex genetic and immunological factors involved, but reports no new clinical results.

This article reviews the theory that certain cultural practices, like specific haircuts, contribute to common baldness but reports no new clinical findings.

This research reports that the polyG fragment within the Hoxc13 protein alters its gene regulatory functions, which could have influenced mammalian hair evolution by affecting pathways related to hair follicle development.

This review suggests a shift toward genetically informed treatments for male pattern hair loss by integrating genetic insights and pharmacogenetic markers into therapeutic decision-making.

This study utilized polarized light microscopy to examine hair shafts in ten children with rare genetic disorders, such as Netherton syndrome and ectodermal dysplasia, providing valuable diagnostic insights into hair thickness, composition, and structural irregularities associated with these conditions.

In this study, researchers formulated and evaluated a gel containing minoxidil and aloe vera for alopecia treatment, finding that it was stable and non-irritant on albino rats, suggesting enhanced topical drug delivery over traditional solutions.

This study found that hair-type tissues in hedgehogs show higher enrichment of immune-related genes compared to spine-type tissues, suggesting that spines evolved to protect against injuries and infections.

This chapter reviews genetic defects in female sexual differentiation, focusing on 46,XX disorders of sex development and the impact of genetic factors and sex steroids on development, but reports no new clinical findings.

This study found that patients with autoimmune skin diseases showed a statistically significant occurrence of hearing disabilities, suggesting the need for audiological evaluations in these patients.

This study used genomic analysis to reveal moderate genetic diversity, minimal inbreeding, and specific genes under positive selection in Xiangdong black goats, highlighting their unique adaptation traits and potential for breeding and conservation.

This review discusses clinical methods for diagnosing alopecia and examines current treatments for both cicatricial and noncicatricial forms but provides no new clinical results.

This review summarizes the influence of gene polymorphisms on genetic predisposition to polycystic ovary syndrome, but reports no new experimental or clinical results.

This overview discusses advancements in the understanding of molecular genetics in heritable keratinization disorders, focusing on recent cases of inherited ichthyosis, and reports no new clinical results.

This study found that PRP therapy was effective and safe for treating androgenic alopecia, promoting 30% hair growth and showing antimicrobial activity against certain bacteria in affected patients.

In this study, researchers reported that the SHBG +5790 G>A polymorphism was associated with an increased risk of developing resistance to hormonal castration in advanced prostate cancer patients.

This article reviews the historical developments in understanding and treating male pattern hair loss, emphasizing the role of dihydrotestosterone and 5α-reductase inhibitors, but reports no new clinical findings.

In this study, researchers used genetic data from over 52,000 men to identify over 250 genetic loci associated with severe hair loss and developed a predictive algorithm for determining hair loss risk.

This review outlines the classification, histopathologic presentation, and pathogenetic concepts of scarring and nonscarring alopecias, reporting no new clinical results and emphasizing the need for clinicopathologic correlation.

This review explores the current understanding of genetic and hormonal influences on male androgenetic alopecia and female pattern hair loss, providing guidance for clinicians but reports no new results.

Amenorrhea is relatively rare and initial testing should check FSH, TSH, and prolactin levels.