January 2026 in “Health Food & Biotechnology” A hair serum with 3% keratin from chicken feathers made hair smoother, shinier, and more elastic.
August 2025 in “Current Issues in Molecular Biology” Key pathways like WNT, EGF, FGF, SHH, and BMP regulate poultry feather growth, with BMP inhibiting it.
April 2019 in “Journal of Investigative Dermatology” Calcium signals and SHH guide the direction of feather growth in chicken skin.
November 2025 in “Basic and Clinical Andrology” Male relatives of women with PCOS show similar health issues, suggesting a male version of the condition.
September 2021 in “LAUTECH Journal of Civil and Environmental Studies”
February 2025 in “Animals” Understanding proteins in skin structures like claws and hair is crucial for future research.
86 citations
,
April 2009 in “Journal of anatomy” Hard skin features like scales, feathers, and hair evolved through specific protein changes in different animal groups.
68 citations
,
April 2014 in “Journal of Investigative Dermatology” Trichohyalin-like proteins are essential for the development of skin structures like hair, nails, and feathers.
60 citations
,
April 2012 in “Physiology” The document concludes that understanding hair and feather regeneration can help develop new regenerative medicine strategies.
51 citations
,
January 2004 in “Skin Pharmacology and Physiology” The document explains hair growth and shedding, factors affecting it, and methods to evaluate hair loss, emphasizing the importance of skin biopsy for diagnosis.
36 citations
,
November 2019 in “Molecular biology and evolution” Cysteine-rich keratins evolved independently in mammals, reptiles, and birds for hard skin structures like hair, claws, and feathers.
29 citations
,
January 2021 in “G3 Genes Genomes Genetics” A 195 bp duplication in the HOXC10 gene causes crests in domestic chickens.
19 citations
,
April 2015 in “Developmental Dynamics” The conclusion is that skin and hair patterns are formed by a mix of cell activities, molecular signals, and environmental factors.
17 citations
,
August 2014 in “The Anatomical Record” Scaffoldin helps form hard skin structures in chicken embryos.
8 citations
,
January 2023 in “International journal of molecular sciences” Transglutaminase activity is important for skin and is found in both mammals and birds.
6 citations
,
July 2007 in “Developmental Dynamics” The molecule Wise is involved in the development of various structures in chick embryos.
October 2025 in “Animals” miR-200a reduces goose fibroblast growth by targeting PITX2 in the Wnt pathway.
June 2023 in “Historical records of Australian science/Historical Records of Australian Science” George Ernest Rogers was a notable scientist who made important discoveries about hair and wool proteins.
June 2004 in “Journal of Investigative Dermatology” 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.
57 citations
,
August 1997 in “Microscopy Research and Technique” New molecules involved in skin and hair growth were identified, improving understanding and future treatments.
March 2000 in “Aesthetic Surgery Journal” Hair transplantation techniques have improved and are beneficial for aesthetic surgery practices.
2 citations
,
March 2021 in “Pakistan veterinary journal” Hyaluronic acid filler injections can quickly and effectively treat canine entropion for 6-8 months without surgery.
6 citations
,
July 2015 in “Journal of Investigative Dermatology” Chicken feather gene mutation helps understand human hair disorders.
32 citations
,
October 1985 in “Annals of the New York Academy of Sciences” Keratin genes help explain how hair and feathers develop differently in mammals and birds.
2 citations
,
January 2017 in “International journal of genetics and genomics” Certain miRNAs are linked to chicken feather development.
1 citations
,
October 2013 Different ectodermal organs like hair and feathers regenerate differently, with specific stem cells and signals involved in their growth and response to the environment.
2 citations
,
March 2017 in “The Australian and New Zealand journal of obstetrics and gynaecology” We need better information on how fathers' exposures affect pregnancy.
1 citations
,
January 2015 in “Journal of Clinical Toxicology” Babies were mostly born healthy from fathers who took finasteride, but some pregnancies ended early; more research is needed.
25 citations
,
September 2006 in “Birth Defects Research” Different processes create patterns in skin and things like hair and feathers.
7 citations
,
January 1959 in “Canadian Journal of Chemistry” Human and horse hair have similar end groups to wool and feathers.