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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 reports that different adhesion molecules play distinct roles in the morphogenesis of feathers and hair, influencing processes such as mesenchymal condensation, epithelial folding, and cell death.

This article reviews advances in feather development and regeneration, including pattern formation, stem cell biology, and evolution, but presents no new experimental results.

This study found that bioelectric and biochemical signaling mechanisms coordinate collective cell movement during chicken feather bud morphogenesis, suggesting a potential new angle for research in skin development and wound healing.

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.

Experiments can shape how feathers grow and develop.

This research found that feather pattern formation in birds is regulated by a mechanochemical system involving fibroblast growth factor and bone morphogenetic protein signaling, which is altered in the flightless emu and ostrich.

This study shows that BMP2 and BMP7 play complex, necessary roles in feather development by regulating dermal condensation formation, with BMP7 acting early as a chemoattractant and BMP2 halting cell migration.

This article reviews the generation of complex integument patterns through genetic, chemical, and environmental influences, with applications in tissue engineering, but reports no new experimental 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 reports that dynamic interactions between stem cells and their niche, influenced by macro-environmental factors, regulate regenerative behavior in integument pattern formation.

This study found that Hex gene expression patterns in chick embryo dorsal skin during feather bud development suggest a significant role in initiating feather morphogenesis.

This review discusses molecular signaling pathways and nutritional factors influencing feather growth and regeneration in poultry and offers no new results; the authors suggest these insights may guide strategies for producing superior plumage.

In this study, researchers found that changes in Wnt signaling pathways play a crucial role in feather follicle morphogenesis during chicken embryo development.

This review discusses novel molecular techniques in skin appendage research and summarizes the distribution of key molecules, but it reports no new experimental results.

In this study, in ovo injection of CHIR-99021 promoted the morphogenesis and development of feather follicles in chick embryos by activating the Wnt/β-catenin signaling pathway.

Cell movements and forces shape feather growth in chicken skin.

In this study, researchers used embryonic chicken skin as a model to show that perturbing calcium signaling can induce feather bud formation in areas that typically do not form them, highlighting developmental bioelectricity as a crucial yet underexplored layer in tissue patterning.

This study identified a new S100 fused-type protein, scaffoldin, in reptiles and birds and suggests that SFTP-positive epithelia serve as scaffolds for the growth of various skin appendages, indicating a common evolutionary origin.

This study reports that Wise is expressed in specific patterns during the morphogenesis of chick embryos, particularly in regions associated with known signaling molecules like Wnt, Bmp, and Shh.

Apoptosis may play a role in feather and hair development, SF-36 is better for mental health in skin patients, a psoriasis gene is found in Caucasians, eosinophils might not be crucial for some skin allergies, and changes in atopic dermatitis could increase skin sensitivity.

This chapter discusses stem cell activity in feather and hair follicles, emphasizing how stem cells maintain their population by cycling between quiescence and activation in specialized niches but reports no new results.

This review discusses the conserved molecular mechanisms controlling hair follicle development and cycling and suggests they may also apply to other ectodermal derivatives, like teeth and feathers, but it reports no new results.

In this study, retinoic acid treatments induced glandular and feather formation in embryos by altering positional values and activating specific retinoic acid nuclear receptor gene expression.

This study suggests that exogenous retinoic acid can alter the morphogenesis pathway of developing skin appendages when applied during the placodal stage, leading to changes like feather formation in atypical regions of chick embryos.

This study identified key genes and miRNAs involved in feather morphogenesis in Zhedong White geese, highlighting a negative correlation between FOXO3 and miR-144-y.

This study investigated the Mandarin duck as a model for understanding lifelong developmental changes, finding that male sail feather morphogenesis involves a combination of local morphogenetic programs, epigenetic regulation, and hormonal cues, with increased female estrogen levels observed before the mating season.

This review discusses three decades of progress in feather development, regeneration, and evolution, with no new experimental results; it highlights feathers' potential as a model for morphogenesis studies.

In this study, researchers propose that different vertebrate skin appendages, such as hair, feathers, and scales, evolved in parallel from a shared ancestral cell structure associated with teeth, dating back approximately 420 million years ago.

This review discusses the use of the feather model to explore tumorigenesis, regeneration, and hormone-dependent growth, highlighting its potential for advancing biomedical research, but reports no novel experimental results.