22 citations
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December 2016 in “PloS one” A specific protein in chicken embryos links early skin layers to feather development.
16 citations
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January 2005 in “The International Journal of Developmental Biology” Hex gene plays a crucial role in starting feather development in chick embryos.
8 citations
,
May 2024 in “PLoS Biology” Gap junctions help control feather pattern formation in chickens.
5 citations
,
August 2013 in “Integrative Zoology” Feathers in diet increase gut bacteria diversity in Arctic foxes.
1 citations
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January 2019 in “British Poultry Science” VEGF and VEGFR-2 genes influence feather maturity, and specific genetic markers can improve chicken breeding.
July 2024 in “Journal of Investigative Dermatology” Cell movements and forces shape feather growth in chicken skin.
April 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Gap junctions help control feather pattern formation by enabling cell communication.
38 citations
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July 2004 in “Journal of experimental zoology. Part B, Molecular and developmental evolution” Reptilian scales, feathers, and hairs evolved from changes in skin cell interactions.
January 2026 in “Journal of Clinical and Investigative Dermatology” A father and son in Yemen have a genetic condition causing hair loss and nail problems.
28 citations
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June 2020 in “Poultry Science” Methionine boosts feather growth in chick embryos.
July 2026 in “Poultry Science” SERPINF1 gene affects feather density in yellow-feathered broilers.
January 2026 in “Digitalen Hochschulbibliothek Sachsen-Anhalt (Universitäts- und Landesbibliothek Sachsen-Anhalt)” Keratin from chicken feathers can be safely used for skin benefits.
September 2024 in “Digital Commons - University of South Florida (University of South Florida)” Hormones can change ptarmigan feather color from white to pigmented.
May 2022 in “Indian Journal of Animal Research” Melatonin receptor genes likely play an important role in the development of goose feather follicles.
January 2026 in “Biomaterials and Biosystems” Keratin from chicken feathers can be safely used on damaged skin.
17 citations
,
September 2022 in “Genes & Genomics” Long non-coding RNAs affect feather growth in chickens in ways that don't follow traditional genetic rules.
4 citations
,
February 2024 in “Poultry Science” miR-140-y helps control feather growth in geese by affecting the Wnt signaling pathway.
3 citations
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May 2024 in “Poultry Science” Certain genes are crucial for feather development in Wannan chickens.
January 2023 in “MIMESIS” The study concluded that McDonald's Father's Day ad uses a burger bun to symbolize a father, with colors and text celebrating the occasion and representing the brand's identity.
October 1890 in “Science” Pilocarpin can cause hair regrowth and color change in some cases but not in others, and it may have side effects in animals.
April 2019 in “Journal of Investigative Dermatology” Calcium signals and SHH guide the direction of feather growth in chicken skin.
4 citations
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August 2017 in “JAMA Dermatology” Norman Orentreich pioneered hair transplantation, improving techniques over time for more natural results.
January 2026 in “Health Food & Biotechnology” A hair serum with 3% keratin from chicken feathers made hair smoother, shinier, and more elastic.
September 2021 in “LAUTECH Journal of Civil and Environmental Studies”
March 2023 in “JAAD case reports” A new genetic change in the keratin 10 gene caused a skin condition called ichthyosis hystrix in a father and his daughter.
September 2020 in “Hair transplant forum international” O'Tar T. Norwood was a key figure in creating a system to classify male baldness and founding hair restoration societies.
36 citations
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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.
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.
June 2021 in “International journal of research in dermatology” A boy and his father with hereditary hypotrichosis simplex were treated for hair loss, but the treatment result is unknown.
2 citations
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January 2017 in “International journal of genetics and genomics” Certain miRNAs are linked to chicken feather development.