April 2012 in “Development” Rac1 is crucial for normal hair structure and pigmentation.
March 2023 in “Scientific reports” Hair growth-related cells need the enzyme SCD1 to help maintain the area that supports hair growth.
26 citations
,
September 2010 in “Experimental Dermatology” Two gene areas linked to male pattern baldness found, more research needed.
32 citations
,
July 2018 in “FEBS letters” A specific protein complex increases the activity of a plant enzyme, but this action is not required for plant root hair growth.
47 citations
,
April 2000 in “Experimental Dermatology” A new gene mutation causes a rare type of hair loss.
February 2018 in “BMJ case reports” An 18-year-old woman was diagnosed with a rare skin condition called Pityriasis rubra pilaris.
2 citations
,
June 2013 in “Journal of Clinical Pathology” The LMNA mutation affects skin structure even in asymptomatic carriers.
Four genes are linked to alopecia areata, with two increasing risk and two offering protection.
2 citations
,
January 2004 in “Linchuang pifuke zazhi” ZD1839 can cause skin issues like acne and hair changes.
16 citations
,
January 2010 in “Journal of Korean medical science/Journal of Korean Medical Science” A Korean boy's skin and digestive symptoms were caused by a rare genetic disorder that affects zinc absorption, and he got better with zinc supplements.
106 citations
,
March 2013 in “Nature Communications” A new genetic region, 17q21.31, is linked to higher ovarian cancer risk.
January 2013 in “Reproductive Biology”
March 2023 in “Journal of Cosmetic Dermatology” A genetic variant linked to hair thinning in Japanese women was found.
4 citations
,
August 2023 in “Journal of Investigative Dermatology” Certain genes influence the direction of hair whorls on the scalp.
11 citations
,
March 2013 in “Gene” A certain genetic variation in the IL1A gene may lower the risk of a hair loss condition in Chinese people.
October 2012 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Six new genes linked to early hair loss were found, which also surprisingly connect to Parkinson's disease and lower fertility.
April 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” A gene variant causes patched hair loss in mice, similar to alopecia areata in humans.
6 citations
,
March 2017 in “Journal of the European Academy of Dermatology and Venereology” Identical twins with a rare KRT 86 gene mutation both have the hair disorder monilethrix.
9 citations
,
May 2002 in “PubMed” Retinoic acid affects skin and hair health by working with specific receptors, and its absence can lead to hair loss and skin changes.
1 citations
,
July 2025 in “SKIN The Journal of Cutaneous Medicine” Ritlecitinib is effective and safe for long-term treatment of alopecia areata.
24 citations
,
May 2019 in “PLOS genetics” Mutations in the HEPHL1 gene cause abnormal hair and cognitive issues.
34 citations
,
January 2004 in “Genomics” A cluster of 21 keratin-associated protein genes important for hair growth was found on human chromosome 21.
September 2023 in “Journal of the American Academy of Dermatology”
10 citations
,
June 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” FP-1 is a key protein in rat hair growth, active only during the growth phase.
4 citations
,
October 2003 in “Annales de Génétique” A specific gene mutation causes different hair defects in Indian monilethrix families.
Genetic factors might cause fibrosing alopecia linked to hair shaft abnormalities.
13 citations
,
June 2017 in “Biochimie open” All five human steroid 5α-reductase enzymes are found in the endoplasmic reticulum.
62 citations
,
January 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” A second domain of high sulfur KAP genes on chromosome 21q23 is crucial for hair structure.
4 citations
,
January 2023 in “Skin health and disease” Blocking Janus kinase 1 helps stop inflammation and regrow hair, making it a good treatment for hair loss from alopecia areata.
November 2025 in “Clinical Cosmetic and Investigational Dermatology” LIPH mutations cause woolly hair in some Chinese people.