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In this study, researchers observed that mice with the naked gene showed frequent absence of hair cuticle and cortical cells during follicle growth, with abnormal keratin deposition also noted.

This study identified two high sulfur protein genes, B2E and B2F, in rats, which are expressed in hair cortical cells during anagen and contribute to hair fiber production.

This study identified two evolutionarily conserved ultra-high-sulfur keratin proteins in human and sheep hair follicles, which are specifically expressed in the hair cuticle during the late stages of fiber development.

This article integrates existing literature on hair follicle structure and formation at the cellular and molecular level, reporting no new findings.

This study detailed the structure and amino acid composition of sheep trichohyalin, noting its presence in various tissues and suggesting a possible functional role beyond structural support in hair follicles.

This study characterizes a type II keratin intermediate filament gene family involved in early sheep follicle differentiation, detailing gene expression patterns and sequences in hair cortical cells.

This article reviews extensive genetic polymorphisms in the keratin-associated proteins of human hair, indicating complexity but reporting no new clinical results and calls for further research on their potential impact on hair structure.

This study suggests that hair keratin gene mutations in mice may be linked to specific loci on chromosomes 11 and 15, potentially influencing keratin expression or structure.

This study in hairless rats suggests that the deletion of specific hair keratin genes contributes to hypotrichosis and highlights the strain's potential as a model for hair follicle research.

This study found that mice with a disrupted TGFα gene display a curly whisker-coat phenotype, similar to waved-1 mice, suggesting TGFα's crucial role in skin architecture and hair development.

This study identified 16 novel high sulfur KAP genes and two KAP pseudogenes on chromosome 21q23, showing expression in a specific region of the hair fiber cuticle.

A mutation in the KRT25 gene causes a rare hair disorder with thin, woolly hair.

In this study, researchers found that size polymorphisms in certain hKAP1 genes are linked to the hKAP1.1B and hKAP1.3 genes, arising from intragenic deletions and duplications in Japanese and Caucasian populations.

This study demonstrated that Tet2 and Tet3 enzymes are crucial for controlling gene expression related to hair differentiation in mice, suggesting DNA demethylation could be a new method for managing hair growth.

This study identified and sequenced a goat hair keratin cDNA that matches closely with its sheep counterpart, showing strong expression in hair follicle cortex.

Mice with extra sheep genes had hair that fell out and regrew in cycles.

This review classifies mutant mice with hair abnormalities into six categories, providing an annotated table that serves as a reference for understanding the molecular controls of hair growth.

This review presents updated tables of mouse mutants with hair growth abnormalities to aid in understanding the molecular mechanisms of human hair disorders, but reports no new clinical results.

This paper reviews the genetic aspects of hair disorders and suggests that understanding these genes could advance treatment and diagnosis; it reports no new experimental findings.

In this study, individuals with a c.1072C > T mutation in the EDAR gene showed more hair shaft deformations compared to non-mutation carriers, highlighting EDAR's role in hair follicle development.

This study characterized the Hoxc-13 gene from sheep wool follicles, noting its potential autoregulatory role and potential influence on skin function beyond hair keratin regulation.

In this study of Angora goats, researchers found that HOXC13 and other genes were overexpressed during the active hair growth phase, suggesting a role in mohair structure.

This study characterized hair from a patient with a ribosomopathy and identified distinct differences, including reduced hair thickness and lipid content, compared to family members.

This review discusses the unique characteristics and disorders of Asian hair, emphasizing the need for more comprehensive studies in this area.

This study identified numerous size polymorphisms in the human ultrahigh sulfur KAP4 genes due to intragenic sequence variations, suggesting these polymorphisms may have arisen through deletions and duplications during evolution.

This review summarizes recent research on the molecular properties and functions of L-PGDS and PGD2, but reports no new findings, highlighting their pathophysiological roles and guiding future studies.

In this study, researchers found that the evolutionary and structural features of the oFGF5 gene in sheep may influence hair follicle development and hair growth regulation.

In this study, researchers found that the naked (N) gene in mice indirectly affects the synthesis of structural proteins in mouse hair, resulting in reduced high tyrosine protein content and unusual amino acid compositions.

In this review, researchers examined the molecular diversity and expression patterns of major skin appendage proteins, like keratins and EDC proteins, in tetrapods, highlighting recent findings in reptiles and birds and identifying knowledge gaps for future research.

The gene for Marie Unna hereditary hypotrichosis is located on chromosome 8p21.