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This study observed that the growth cycle of cashmere in Inner Mongolian cashmere goats consists of three phases, with genes KAP3–1, KRTAP 8–1, and KRTAP 24–1 closely correlating with this cycle.

This study found that the promoter region of the sheep KRTAP11-1 gene drives specific transcriptional activity in wool follicles, suggesting it may regulate hair keratinocyte specificity.

KRTAP10 proteins help form the hair shaft's tough outer layer by interacting with specific hair keratins.

This review discusses the role of keratin-associated proteins in the growth and characteristics of wool and hair fibres from sheep and goats, and highlights areas for future research, but it presents no new findings.

This study identified a new ovine KRTAP21-1 gene variant in sheep, with wool yield affected by the variant, suggesting its potential as a genetic marker for improving wool production.

This study found that genetic variation in the KRTAP21-2 gene among crossbred Merino lambs was associated with differences in wool traits, particularly mean staple length.

This study found that cashmere has a significantly smaller mean fiber diameter compared to sheep and goat wool, and identified key proteins that may influence this difference.

This study identified two single-nucleotide polymorphisms and three haplotypes in the KRTAP7-1 gene across yak, taurine, and zebu cattle, with the BOVIN-KRTAP7-1*A haplotype most prevalent.

This study found that genetic variants in the goat KRTAP22-2 gene are associated with the mean fiber diameter of cashmere in Longdong Cashmere goats, suggesting these variants could serve as molecular markers for improving cashmere traits.

This study found that differences in skin transcriptomes between juvenile and adult mink, as well as between black and white mink, suggest genes regulating hair color are active during early development rather than adulthood.

In this study, researchers found that the cashmere hair growth cycle is divided into three periods and key genes like KAP and KRTAP are positively correlated with these cycles in cashmere goats.

This study reports that KRTAP-like proteins, which resemble keratin-associated proteins found in mammals, are also present in the cornified teeth of various lamprey species, suggesting these proteins may serve similar functions in skin appendages across different vertebrates despite independent evolutionary origins.

This study found that down and guard hairs of Inner Mongolia Cashmere Goats have distinct protein compositions and physical properties, with keratin-related proteins potentially influencing these differences.

This study found differential expression of genes related to hair fiber production in Pashmina and Barbari goats, potentially enhancing pashmina fiber quality and informing future enrichment analyses.

This study discovered that key genes like KAP3-1 and KRTAPs are closely linked to the growth cycle of cashmere in Inner Mongolian goats, identifying March as the primary cycle's onset.

Gene expression in wool follicles changes with growth cycles, offering insights into wool and human hair growth.

This study identified several candidate genes related to wool production traits and adaptation to hot, arid environments in Iranian sheep, highlighting potential targets for future inbreeding programs.

In this study, researchers identified a cluster of hair-specific keratin-associated protein genes within the 21q22.3 region, revealing a novel transcription mechanism involving TSPEAR/C21orf29 that may bypass typical transcriptional termination sites.

This study found that specific proteins associated with fiber structure, hair growth, and fatty acid synthesis, including the DSC2 gene, may influence wool and hair characteristics in sheep and goats.

In this study, two novel clusters of keratin-associated protein genes on human chromosome 11 were analyzed, suggesting their products are crucial for hair formation due to preferential expression in hair roots.

This study found that manipulating prolactin levels in New Zealand Wiltshire sheep induces wool follicle growth cycles, revealing gene expression changes that suggest roles for specific genes in follicle function.

In this study, the presence of certain KAP15-1 gene variants in sheep was associated with differences in wool yield and fiber characteristics.

In this study, oral collagen peptides increased certain gene expressions related to epidermis development and the hair cycle in hairless mice skin, suggesting potential links to hair health.

This study found that the lncRNA lncRNA2919 is involved in hair follicle regeneration by downregulating growth-related genes, inhibiting cell proliferation, and promoting apoptosis in rabbit dermal papilla cells.

This study suggests that the CXCL8 gene may regulate cashmere fineness in Liaoning cashmere goats, providing new insights into the cellular mechanisms of cashmere growth and quality.

This study identified nine novel KRTAP5 family genes associated with human hair formation, demonstrating preferential expression in hair roots and suggesting their role in hair development.

This study revealed that heterozygous mice with the hairy ear mutation exhibited significant gene expression changes related to hair growth, such as upregulation of hair keratin and keratin-associated proteins, shedding light on the Hoxc gene cluster's role in this phenotype.

This study examined the role of long non-coding RNAs in wool fineness among Gansu alpine fine-wool sheep, identifying specific lncRNAs and target genes that may enhance wool quality.

This study found that variation in the ovine KRTAP27-1 gene may influence wool growth, with certain genotypes associated with higher mean staple length and greasy fleece weight in sheep.

In this study, the researchers identified key genes, including KAP and KRTAP, that correlate with the secondary hair follicle growth cycle in Inner Mongolian cashmere goats, emphasizing March as the significant transition month.