28 citations
,
February 2012 in “PLoS ONE” A PKP1 gene mutation causes skin fragility and hair loss in Chesapeake Bay retriever puppies.
27 citations
,
December 2005 in “Journal of Cutaneous Pathology” The malignant pilomatricoma showed strong epithelial keratin expression, suggesting it may not calcify.
7 citations
,
December 1970 in “Biochimica et Biophysica Acta (BBA) - Protein Structure” 54 citations
,
September 1999 in “PubMed” K15 staining helps distinguish basal cell carcinoma from trichoepithelioma.
10 citations
,
January 1925 in “Archives of Dermatology” Trichostasis spinulosa is a rare skin condition with hair-filled plugs in hair follicles.
2 citations
,
November 2006 in “Pump Industry Analyst” Pilomatricomas don't follow the usual hair follicle cell differentiation process.
13 citations
,
March 1997 in “Research in Veterinary Science/Research in veterinary science” Epithelial proliferation and hyperkeratosis are linked to gastric ulcers in pigs.
19 citations
,
March 2013 in “Biology Letters” Early tetrapod keratins evolved into toe pad proteins in amphibians and hair proteins in mammals.
27 citations
,
May 2004 in “Journal of Investigative Dermatology”
May 2025 in “Journal of Developmental Biology” Jawless vertebrates have teeth proteins similar to those in mammalian hair and nails.
10 citations
,
January 2010 in “International journal of trichology” Keratin-associated proteins are part of the developing hair fiber cuticle.
78 citations
,
April 1994 in “Archives of dermatology” The study found that Keratosis Pilaris Atrophicans is a genetic skin condition that starts in childhood, involves inflammation and scarring, and current treatments are only somewhat effective.
December 2025 in “International Journal of Research in Dermatology” Keratosis pilaris is common in young females, and dermoscopy helps diagnose it accurately.
4 citations
,
January 2017 in “Annals of Dermatology” Frequent hairdryer use may worsen hair fragility in people with Pili Annulati.
7 citations
,
January 2014 in “International Journal of Trichology” Primary idiopathic pseudopelade of Brocq causes gradual, scarring hair loss with no effective treatment.
1 citations
,
January 2018 in “Acta dermato-venereologica” A teenager's hair with alternating white and dark bands, known as Pili annulati, is a genetic condition that is usually harmless and often considered attractive.
4 citations
,
January 2000 Piedraia hortae fungi dissolve both the outer and inner layers of hair.
10 citations
,
January 2013 in “International journal of trichology” A woman's scalp nodules were successfully treated with antifungal and anti-lice medications, revealing a rare case of mixed piedra infection.
9 citations
,
January 2011 in “American Journal of Dermatopathology” Pilomatrixoma involves abnormal hair keratin production and cell death, causing debris and cysts.
60 citations
,
August 2009 in “Journal of the American Academy of Dermatology” The term "porokeratotic adnexal ostial nevus" is proposed to unify overlapping skin conditions involving eccrine and hair follicles.
232 citations
,
July 1995 in “Nature Genetics”
7 citations
,
March 2020 in “PloS one” α-parvin is necessary for skin and hair growth and for the correct orientation of skin cells.
2 citations
,
January 1990 in “PubMed” Perforating folliculitis is a skin condition with small bumps that may be linked to other diseases and is hard to treat.
March 2012 in “Journal of The American Academy of Dermatology” Hair casts are often mistaken for head lice, scalp pain in hair loss is linked to certain nerve factors, eyelash growth treatment is safe and effective, and nail shedding in children may follow hand-foot-mouth disease.
21 citations
,
January 2018 in “PLoS Genetics” Certain genetic variants in keratins increase the risk of tooth decay.
February 2026 in “HCA Healthcare Journal of Medicine” Recognizing keratosis pilaris in all skin tones helps diagnose related skin issues and reduce distress.
12 citations
,
June 2012 in “Revista da Sociedade Brasileira de Medicina Tropical” A family had a rare fungal infection called white piedra, identified as Trichosporon inkin.
23 citations
,
February 2015 in “The American journal of pathology” Keratosis pilaris is often linked to genetic mutations and causes skin and hair abnormalities, regardless of those mutations.
53 citations
,
September 1999 in “Journal of Synchrotron Radiation” Keratinous tissues have multiple structural layers, including ordered keratin and lipid granules.
37 citations
,
August 2000 in “Journal of Cutaneous Pathology” Poromas are related to sweat duct cells, and CK patterns help distinguish apocrine poromas from other neoplasms.