29 citations
,
July 2015 in “Journal of Medical Genetics” A genetic variant in the KRT25 gene causes tightly curled hair.
5 citations
,
January 2017 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Porokeratotic eccrine and hair follicle nevus is a very rare skin disorder possibly caused by a GJB2 gene mutation.
6 citations
,
October 2022 in “Frontiers in Cell and Developmental Biology” Transplanted hair follicle stem cells can heal damaged rat intestines.
3 citations
,
June 2023 in “American Journal of Forensic Medicine & Pathology” A child died from eating hair, causing severe stomach blockages and infection.
29 citations
,
January 2020 in “Frontiers in endocrinology” Fibrodysplasia ossificans progressiva is a rare genetic disorder that causes extra bone growth and symptoms of premature aging.
15 citations
,
August 2010 in “Annals of saudi medicine/Annals of Saudi medicine” Hair tourniquet syndrome is a rare condition where hair wraps around an infant's body part, needing quick removal to prevent damage.
12 citations
,
March 2010 in “Revista iberoamericana de micología” The cat died from a hard-to-treat fungal infection despite various treatments.
October 2012 in “The American Journal of Gastroenterology” A hairball in the stomach can cause serious issues and may need surgery and psychiatric care.
32 citations
,
January 2005 in “Advances in Biochemical Engineering / Biotechnology” Fetal wounds heal without scarring because of different biological factors, which could help improve adult wound healing.
23 citations
,
August 1987 in “PubMed” The ferret had hyperadrenocorticism and other health issues like heart, liver, and kidney problems.
October 2025 in “Journal of Obstetric and Gynaecological Practices POGS” 1 citations
,
January 2014 in “Research Journal of Pharmacognosy and Phytochemistry” Hibiscus root extract reduces inflammation in rats.
67 citations
,
July 2000 in “Proceedings of the National Academy of Sciences” The model accurately simulates human hair growth and hair loss patterns.
13 citations
,
August 2015 in “Oncology Reports” Stem cells slowed lung tumor growth but increased colon tumor growth in mice.
January 1990 in “The Nishinihon Journal of Dermatology” Follicular structures help differentiate keratoacanthoma from squamous cell carcinoma.
February 2023 in “JAAD case reports” Reducing immunosuppression and using antiviral creams improved the woman's skin condition.
15 citations
,
July 2004 in “Journal of morphology” Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.
80 citations
,
June 2000 in “Modern Pathology” Long-standing benign tumors can become cancerous, especially in people with weakened immune systems.
July 2011 in “Oxford University Press eBooks” The document's conclusion cannot be determined without content to analyze.
10 citations
,
October 2000 in “PubMed” E6/E7 oncogenes in hair follicles cause continuous hair growth by skipping the resting phase.
January 2014 in “Redalyc (Universidad Autónoma del Estado de México)” A Persian cat had a rare skin condition that didn't improve with treatment.
122 citations
,
November 2010 in “Journal of Dermatological Science” Male pattern baldness involves hormones and cell signals affecting hair growth.
April 2024 in “Skin health and disease” Injecting fillers in the temple can cause serious complications, but the damage can be treated if managed properly.
April 2023 in “The Medical Journal of Australia” A five-year-old girl has a harmless, unchanging bald patch on her scalp.
28 citations
,
December 2015 in “Journal of biological chemistry/The Journal of biological chemistry” Prostasin has two roles in skin: one for normal skin development without needing activation, and another for proper hair growth that requires activation.
April 2019 in “Journal of the Endocrine Society” A woman's severe male-like symptoms were caused by a rare, benign tumor in her ovary that produced male hormones.
March 1997 in “The Lancet” Hirsutism is abnormal male-pattern hair growth in females due to excess androgens.
June 2024 in “British Journal of Dermatology” KRT14 gene variants cause dermatopathia pigmentosa reticularis, affecting nails, teeth, and hair.
11 citations
,
March 2007 in “Digestive Diseases and Sciences” The conditions alopecia areata, primary sclerosing cholangitis, and ulcerative colitis may be linked by shared autoimmune and cell death mechanisms.
January 2000 in “The Mouseion at the JAXlibrary (Jackson Laboratory)” The lanceolate hair-J mutation in mice helps understand human hair disorders like Netherton's syndrome.