April 2018 in “Journal of Investigative Dermatology” The keratin network in mouse skin changes during cornification and affects the skin's protective barrier.
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.
58 citations
,
November 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” The Foxn1 gene is essential for normal nail and hair development.
2 citations
,
June 2010 in “Medicina de Familia SEMERGEN” The girl's "dandruff" was actually harmless hair casts, not a hygiene issue.
61 citations
,
February 1982 in “Cell and Tissue Research” 40 citations
,
March 1991 in “Journal of Investigative Dermatology” 20 citations
,
September 2004 in “Journal of Anatomy” The inner root sheath evolved to help hair grow safely through the skin in mammals.
8 citations
,
June 2020 in “The Journal of Clinical Endocrinology and Metabolism” Taking 5α-reductase inhibitors with prednisolone can worsen its negative effects on metabolism.
January 1995 in “Skin Cancer” The outer root sheath in hair follicles changes during growth, with different keratinization processes in its layers.
38 citations
,
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.
5 citations
,
January 2022 in “Scientific reports” The research identified two types of keratinocytes in chicken scales: one for hard scales and another for soft skin, with similarities to human skin differentiation.
158 citations
,
January 2009 in “The International Journal of Developmental Biology” Reptile scales help us understand the evolution of skin features like hair and feathers.
3 citations
,
January 1989 in “The Nishinihon Journal of Dermatology” A hair cyst can become cancerous, showing specific keratins from the hair sheath.
9 citations
,
July 2008 in “Archives of Dermatological Research” 1 citations
,
June 1998 in “Journal of Forestry Research” Mammalian hair scales change from smooth to wavy due to friction.
17 citations
,
July 1984 in “British journal of dermatology/British journal of dermatology, Supplement” The four patients have a unique type of ichthyosis affecting hair follicles.
8 citations
,
September 2016 in “Journal of Investigative Dermatology” Mice with more Flightless I protein grew back their claws better after amputation.
21 citations
,
November 1980 in “PubMed” A new mite species was found in California sea lions, causing skin issues.
6 citations
,
October 2006 in “International Journal of Dermatology” Hair splitting and nail detachment are linked conditions.
11 citations
,
March 2004 in “Journal of Comparative Pathology” Norfolk Terriers have a genetic skin defect causing scaling and blisters due to a keratin issue.
May 2020 in “International Journal of Dermatology and Venereology” Calcified epidermal cysts are rare, hard skin nodules that are best treated with surgical removal.
September 1998 in “Journal of The European Academy of Dermatology and Venereology” Old people's nails often have problems due to body changes, more diseases, and self-care difficulties, affecting their movement and hand use.
2 citations
,
January 2007 in “Actas Dermo-Sifiliográficas” Two cases of hairy elbows syndrome were described, with normal skin texture and symmetrical hair growth.
2 citations
,
June 2001 in “Medical Electron Microscopy” Trichilemmal cysts may form from hair follicle outer root sheath growth.
30 citations
,
January 1994 in “Micron” Mature hair surfaces are formed by keratinized cells with developed layers, not just modified plasma membranes.
13 citations
,
June 2010 in “Journal of The American Academy of Dermatology” A man with Cronkhite-Canada syndrome had all 20 nails detach but improved with treatment.
34 citations
,
June 1992 in “Journal of Cutaneous Pathology” Harlequin ichthyosis involves abnormal skin cell structures and giant mitochondria, affecting skin and hair.
September 2024 in “Journal of the American Academy of Dermatology” 8 citations
,
May 2005 in “The American journal of dermatopathology/American journal of dermatopathology” The hair defect is due to abnormal inner root sheath keratinization.
1 citations
,
January 2019 in “International Journal of Medical Reviews and Case Reports” Treatment with moisturizers improved the skin condition of a girl with a rare genetic skin disorder.