138 citations
,
November 1974 in “Biological reviews/Biological reviews of the Cambridge Philosophical Society” Males and females differ in lifespan, growth, organ size, metabolism, and brain structure, with females generally living longer and maturing earlier.
77 citations
,
April 2005 in “Journal of Investigative Dermatology” Repetin is a protein involved in skin and hair development, binding calcium and compensating for other proteins when needed.
13 citations
,
February 2010 in “Stem Cell Reviews and Reports” Stem cells compete for space using cell adhesion, and mutations can affect their competitive success, with implications for tissue health and disease.
6 citations
,
November 2018 in “Histochemistry and Cell Biology” Mongolian gerbils heal wounds differently than mice, with unique protein levels and gene expression that affect skin repair.
January 1981 in “Purdue e-Pubs (Purdue University)” Pig skin is similar to human skin, with no major changes as they age.
76 citations
,
January 1998 in “Mammalian Genome”
75 citations
,
October 2010 in “Mammalian genome” Sphynx cats are hairless and Devon Rex cats have curly hair due to specific genetic mutations.
51 citations
,
December 2006 in “Mammalian Genome” 21 citations
,
June 2009 in “Mammalian genome” A new mutation in the Hr gene causes hair loss in mice, similar to a human hair disorder.
19 citations
,
November 1993 in “Mammalian Genome” A gene mutation in mice causes permanent hair loss and skin issues.
14 citations
,
September 1999 in “Mammalian genome” The scraggly mutation causes hair loss and skin defects in mice.
9 citations
,
April 1999 in “Mammalian Genome” Acidic keratin genes are on CFA9 and basic keratin genes are on CFA27 in dogs.
8 citations
,
March 2004 in “Mammalian genome” KAP genes are crucial for hair development and show both shared and unique traits in humans, chimpanzees, and baboons.
7 citations
,
February 2025 in “Mammalian Genome” 7 citations
,
April 2000 in “Mammalian Genome” A new mutation in mice causes crooked whiskers and messy hair.
4 citations
,
December 2020 in “Mammalian genome” Harlequin mutant mice have hair loss due to low AIF protein levels and retroviral element activity.
January 2022 in “Mammalian Genome” The wavy coat in NCT mice is caused by multiple genes, including a mutation in the Prss53 gene.
61 citations
,
February 1982 in “Cell and Tissue Research” 17 citations
,
May 1969 in “American Journal of Physical Anthropology” The silver marmoset's skin is thin, lacks pigment cells, and has unique features like keratinized spines and specialized glands.
The integumentary system is essential for protection, temperature regulation, and health.
1 citations
,
December 2020 The skin is the body's largest organ, with layers, cells, and structures that protect and support it.
21 citations
,
June 2003 in “Journal of Morphology” Monotreme and marsupial skin proteins show primitive features and species-specific differences compared to placental mammals.
Pangolin scales evolved for protection, hardening with age, due to keratin gene diversification.
12 citations
,
January 1994 in “PubMed” Elastic fiber arrangement in mammal skin varies by hair density and body region.
June 2014 in “Experimental dermatology” The epidermis is crucial for hair growth.
82 citations
,
January 2006 in “International review of cytology” Vertebrate skin evolved to be more specialized and complex, especially in land animals.
83 citations
,
May 2013 in “International Journal of Molecular Sciences” Skin development in mammals is controlled by key proteins and signals from underlying cells, involving stem cells for maintenance and repair.
7 citations
,
June 2001 in “PubMed” Pig ear skin is similar to human skin, making it useful for research, but it has some differences.
1 citations
,
October 2023 in “PROTOPLASMA” 8 citations
,
February 1968 in “Australian Journal of Zoology” The southern elephant seal's skin layer helps waterproof the skin by being tightly connected to hair shafts.