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This study identified a 69 bp deletion in the KRT75 gene as the cause of the frizzle feather trait in chickens, affecting feather curling.

This study found that male and female chicken feather morphology and color patterns can be extrinsically modified through molting and resetting the stem cell niche during regeneration.

This study investigated the gene and protein expression differences in early and late feathering chickens, identifying several pathways, like JAK-STAT and WNT, potentially involved in non-Mendelian feather growth regulation.

This study identified morphotype-specific gene expression patterns in feathers, enhancing understanding of the molecular and cellular processes involved in feather development and diversification.

This review summarizes current research on molecular pathways, such as Wnt and Notch, that regulate feather follicle development in yellow-feathered broilers, highlighting their potential impact on poultry carcass quality and suggesting areas for future study.

In this study, researchers found that the EDMTFH protein is present in specific layers of the chicken embryo skin and feathers, suggesting its role in feather mechanics and development.

In this study, the researchers identified the SPEF2 and PRLR genes as potential candidates associated with feather rate phenotypes in Shouguang chickens through combined genome-wide association and differential expression analyses.

This study developed a method to culture and maintain chicken feather follicles in vitro, preserving structure and biology similar to their in vivo state, though some gene expression was altered.

In this study, hemp seed-derived exosomes (E40) showed potential for counteracting DHT-induced inhibition of feather follicle development in chicken embryos by modulating critical signaling pathways, suggesting a therapeutic approach for alopecia.

In this study, researchers examined chicken feather follicle tissues from differently colored chickens and found that the genes SLC45A2 and GPNMB are involved in promoting melanin deposition, which enriches understanding of the genetic mechanisms affecting feather color.

This study found that specific genes related to vascular endothelial growth factors are critical for feather maturity in certain chicken breeds, identifying key genetic markers that could enhance breeding efficiency.

This study found that serum containing keratin extract from chicken feathers combined with Aloe vera showed promising effectiveness for anti-hair loss treatment, with certain combinations outperforming the positive control in measures of hair strength and growth in rabbits.

This study extracted water-soluble keratin particles from chicken feathers and verified their structural properties, observing no irritative potential on hen's eggs and positive physiological effects on human skin cells, suggesting their suitability for use on damaged or irritated skin.

This study developed a sustainable biotechnological process using Bacillus licheniformis strains to produce keratin hydrolysate from chicken feathers, and found that cosmetic hair serum with this ingredient improved hair smoothness, elasticity, and shine in a small focus group.

In this study, researchers extracted soluble keratin proteins from chicken feathers and found they maintain structural integrity with potential uses for damaged skin, exhibiting no irritative effects in ex vivo settings on hen's eggs.

This study identified key genes involved in feather follicle development in Wannan chickens, finding that genes such as LAMC2, COL6A3, and WNT7A are crucial in the regulation processes, potentially aiding molecular breeding programs for improved carcass appearance traits.

In this study, researchers investigated the genetic basis of the feathered foot trait in Guangxi native chickens and found that the gene TBX5 plays a critical role, suggesting it affects feather formation by regulating the proliferation and migration of dermal fibroblasts.

In this study, researchers identified specific long non-coding RNAs involved in feather development that do not follow traditional genetic inheritance patterns in chickens.

This study on feather pattern formation in chicken skin found that inhibiting gap junctional intercellular communication can lead to the emergence of new feather buds in specific spatial patterns, suggesting that GJIC may facilitate Turing-type periodic patterning by propagating inhibitory signals over long distances.

This study demonstrated how cellular flows and tissue mechanics guide the topological transformations in avian skin, essential for feather follicle development from scales.

This study identified a 195 bp duplication in crested chickens that causes large crest feathers and can be associated with cerebral hernia in some breeds, but not all.

The researchers reported that scaffoldin, a protein identified in chicken embryos, likely plays a role in forming periderm granules and contributes to the soft cornification of embryonic epidermis.

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.

This study suggests that chicken and alligator scales evolved independently through convergent evolution rather than sharing a common origin with avian feathers.

This study observed that in chicken skin, large-scale differences in gene expression between feathered and scaly skin are controlled by enhancer-driven uniform expression, while small-scale differences within individual feathers are associated with chromatin looping.

Cell movements and forces shape feather growth in chicken skin.

This article reviews the interaction between sex hormone pathways and morphogenesis-related signaling in epithelial organ development, using a chicken model to propose testable hypotheses, but reports no new clinical results.

In this study, forced expression of the transcription factor cDermo-1 in chicken dermis led to the formation of ectopic feather buds and enhanced feather growth, demonstrating its role in initiating skin appendage development.

This study found that FGF signaling is necessary for the initiation of feather placode development in chicken embryos, with FGF10 being implicated as an early dermal signal in the process.