Hairlessness in mammals is due to complex genetic changes in both genes and regulatory regions.
4 citations
,
January 2011 in “Annals of Dermatology” Researchers found a new mutation in the HR gene linked to a rare hair loss condition.
24 citations
,
January 2015 in “Current problems in dermatology” The document concludes that accurate diagnosis of hair loss in children is crucial due to limited treatment options and the condition's psychological impact.
1 citations
,
March 1991 in “PubMed” Naevoid bundle hair is an unusual hair growth pattern where multiple hairs fuse together.
A white-tailed deer fawn in South Dakota was the first cervid found with congenital hypotrichosis, a condition causing sparse or missing hair.
March 2003 in “中華皮膚科醫學雜誌” Trichothiodystrophy causes unusual hair and developmental issues.
4 citations
,
January 2007 in “Australian Veterinary Journal” A horse's sudden hair loss was caused by an allergic reaction to a coat conditioning powder.
53 citations
,
October 2003 in “Genetics” The mK6irs1/Krt2-6g gene likely causes wavy hair in mice.
22 citations
,
June 2004 in “Journal of The European Academy of Dermatology and Venereology” A woman had both Graham Little-Piccardi-Lassueur syndrome, causing hair loss, and complete androgen insensitivity syndrome, making her genetically male but physically female. This suggests androgens don't affect the hair loss condition.
7 citations
,
March 2015 in “British Journal of Dermatology” Applying minoxidil can help improve hair growth in people with hair loss caused by LIPH gene mutations.
1 citations
,
September 2015 in “Serbian Journal of Dermatology and Venereology/Serbian Journal of Dermatology and Venerology” A 19-year-old male had two rare skin conditions causing scarring and permanent hair loss.
14 citations
,
May 1979 in “International Journal of Dermatology” Trichostasis spinulosa mainly affects the nose, with many tiny hairs in one follicle, possibly influenced by hormones and sunlight.
1 citations
,
September 2021 in “Frontiers in genetics” A genetic mutation in the DCAF17 gene caused Woodhouse-Sakati syndrome in a Chinese patient from a related family.
April 2012 in “Journal of evolution of medical and dental sciences” No effective treatment exists to stimulate hair growth in atrichia with papular lesions.
24 citations
,
May 2019 in “PLOS genetics” Mutations in the HEPHL1 gene cause abnormal hair and cognitive issues.
6 citations
,
August 2006 in “Journal of Cutaneous Pathology” Two teenage brothers had a rare, treatment-resistant form of female-pattern hair loss with unusual scalp changes.
6 citations
,
March 2019 in “The American Journal of Dermatopathology” Amyloid deposits linked to a type of protein may cause a unique pattern of hair loss by disrupting hair growth cycles.
2 citations
,
March 2017 in “Sultan Qaboos University medical journal” An infant had two different natural hair colors on the scalp with no health issues.
Diagnosing and managing monilethrix is harder when it occurs with other hair loss conditions.
Diagnosing and managing monilethrix is harder when it occurs with other hair loss conditions.
11 citations
,
March 2001 in “Clinics in Dermatology” Hair microscopy is useful for diagnosing hair disorders, but clear definitions are needed for accurate genetic analysis.
January 2012 in “Journal of the Dermatology Nurses’ Association” The document explains hair growth, hair loss types, and other hair-related terms.
14 citations
,
January 2010 in “Dermatology” Some people with congenital triangular alopecia have a central tuft of hair in the bald patch, but the cause is unknown.
11 citations
,
January 2013 in “International Journal of Trichology” Short Anagen Syndrome causes persistently short hair and increased shedding, usually improving after puberty.
February 2011 in “Journal of the American Academy of Dermatology” A 60-year-old man with a long-term balding condition also developed a rare hair loss condition usually seen in postmenopausal women.
October 1966 in “Archives of Dermatology” A 19-year-old female with alopecia universalis experienced total hair loss, and previous treatments were ineffective.
5 citations
,
January 2012 in “Indian Journal of Dermatology Venereology and Leprology” Werner's syndrome causes early aging and increases cancer risk, requiring early diagnosis and symptom management.
July 2023 in “Frontiers in veterinary science” Certain long non-coding RNAs are important for controlling hair growth cycles in sheep.
9 citations
,
January 1999 in “Dermatology” Men with X-linked recessive ichthyosis may not experience typical male-pattern baldness.
14 citations
,
August 2004 in “Veterinary Dermatology” The horse had a rare type of hair loss caused by immune cells attacking hair follicles.