Bovines can have rare inherited skin diseases with specific symptoms like hair loss, fragile skin, and abnormal porphyrin buildup.
253 citations
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March 1994 in “Developmental dynamics” Apoptosis is essential for human skin development and forming a functional epidermis.
August 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Too much β-catenin activity can mess up the development of mammary glands and make them more like hair follicles.
56 citations
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February 2012 in “Developmental biology” Sostdc1 controls the size and number of hair and mammary gland structures.
17 citations
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January 2013 in “Journal of Cutaneous Pathology” The onychodermis helps anchor the nail bed and may aid in nail formation.
30 citations
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May 2005 in “Pediatric dermatology” Some families have a genetic condition where they are born with irregular scalp defects.
22 citations
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October 2011 in “Bone” Androgens affect bone and fat cell development differently based on the cells' embryonic origin.
January 2016 in “Dermatology Review” Endocrine disorders can cause various skin and hair issues.
33 citations
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October 2005 in “Journal of Investigative Dermatology” A specific gene mutation causes sparse, brittle hair in a family.
April 2016 in “Journal of Investigative Dermatology” The Engrailed-1 gene plays a key role in the development of sweat glands in mice.
March 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” Removing a specific gene in certain skin cells causes hair loss on the body by disrupting normal hair development.
46 citations
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December 1992 in “The Journal of Steroid Biochemistry and Molecular Biology” Affected males are born with ambiguous genitalia, raised as females, but develop male traits at puberty due to enzyme deficiency.
Mutations in specific genes cause different types of ectodermal dysplasias.
January 2019 in “Global Dermatology” Genetic hair shaft abnormalities can be seen with microscopes and often affect scalp hair.
1 citations
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June 2017 in “Veterinary dermatology” A cross-bred lamb with severe skin and movement issues had ichthyosis fetalis but normal vitamin A levels.
20 citations
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September 2004 in “Journal of Anatomy” The inner root sheath evolved to help hair grow safely through the skin in mammals.
January 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” The mutant HR bmh protein mis-localizes in cells, affecting skin and hair development.
85 citations
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October 2006 in “Current opinion in cell biology” Feather growth and regeneration involve complex patterns, stem cells, and evolutionary insights.
158 citations
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December 2002 in “Development” Msx2-deficient mice experience irregular hair growth and loss due to disrupted hair cycle phases.
The scant hair in snthr-1Bao mice is likely caused by a deletion affecting the Plcd1 gene.
5 citations
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March 2005 in “Journal of The American Academy of Dermatology” 7 citations
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November 1997 in “Reproduction Fertility and Development” Epidermal growth factor disrupts hair and gland formation in bandicoots.
81 citations
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April 1941 in “Physiological zoology” Experiments can shape how feathers grow and develop.
Onychomatricoma is a unique nail tumor, not related to other hair-related tumors.
October 2022 in “Amplla Editora eBooks” Endometriosis significantly contributes to female infertility.
15 citations
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September 1999 in “British Journal of Dermatology” Epimorphin, a protein, plays a key role in the development of hair follicles in human fetuses, but it doesn't help in maintaining the stem cell population of the follicular skin layer.
42 citations
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January 2014 in “BMC Genomics” Cetaceans lost hair genes to adapt to water.
17 citations
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November 1967 in “American Journal of Anatomy” Hairless mice have longer hair follicles and abnormal structures during the catagen phase.
Goats can have various genetic skin diseases affecting hair, skin, and thyroid function.
October 1984 in “Kidney international” The patient had complex urinary tract issues and ambiguous genitalia, with physical features suggesting a hormonal imbalance.