September 2003 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” GLABRA2 gene controls root-hair growth by regulating phospholipid signaling.
Hairlessness in mammals is due to complex genetic changes in both genes and regulatory regions.
July 2023 in “SKIN The Journal of Cutaneous Medicine” Continued ritlecitinib treatment can improve hair regrowth in some alopecia areata patients who initially don't respond.
10 citations
,
November 2021 in “International journal of molecular sciences” Sheep and goat hair fibers are complex due to keratin-associated proteins, which are important for fiber properties and growth.
A specific gene change in APCDD1 increases the risk of hair loss.
Off-label drug use can be risky but sometimes beneficial when standard treatments fail.
9 citations
,
March 2018 in “International journal of molecular sciences” Allopregnanolone changes gene expression in glioblastoma cells.
September 1998 in “Journal of The European Academy of Dermatology and Venereology” Phototrichogram helps assess hair loss severity.
September 2025 in “Journal of Medicinal Chemistry” AR-27 E-Chol siRNA can effectively regrow hair by reducing androgen receptor gene activity.
4 citations
,
December 2012 in “Human Biology” The most different genetic segment between Africans and East Asians is the EDA2R/AR region, with two main types influenced by population changes and natural selection, and linked to baldness.
November 2025 in “Journal of Investigative Dermatology” TEDAR is crucial for skin cell differentiation and barrier formation.
7 citations
,
July 2023 in “Immunotherapy” Ritlecitinib works well and is safe for treating alopecia areata.
14 citations
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August 2015 in “Endocrinology” The antibody 005-C04 blocks prolactin receptors, causing reversible infertility, impaired lactation, and hair regrowth in female mice.
65 citations
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June 2003 in “EMBO journal” Noggin overexpression delays eyelid opening by affecting cell death and skin cell development.
February 2022 in “Research Square (Research Square)” LGR5 is a marker found in hair follicle stem cells in various species and is important for hair growth and skin repair.
37 citations
,
May 2018 in “Frontiers in physiology” Certain RNA molecules are important for the development of wool follicles in sheep.
A genetic variant in the KRT71 gene may cause loose anagen hair and wooly hair, and symptoms might improve with age.
20 citations
,
December 2010 in “Journal of Morphology” Lizard claws have hair-like keratins similar to those in mammals.
37 citations
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January 2008 in “Gynecological Endocrinology” Shorter CAG repeats in a specific gene may increase male hormone activity and symptoms like acne and excess hair in women with PCOS.
6 citations
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April 2022 in “Biomedicine & pharmacotherapy” Using three different drugs together may better treat eye diseases like glaucoma and macular degeneration.
1 citations
,
November 2025 in “Aging Cell” EDA2R is a key gene linked to ageing and diseases, and targeting it may help treat conditions like hair loss and chronic diseases.
26 citations
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December 2011 in “Journal of Investigative Dermatology” New gene identification techniques have improved the understanding and classification of inherited hair disorders.
1 citations
,
January 2025 in “American Journal of Translational Research” PPARα agonists may help treat alopecia areata by reducing inflammation.
13 citations
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January 2018 in “Yonsei Medical Journal” A specific gene mutation causes Olmsted syndrome.
5 citations
,
September 2013 in “The Journal of Dermatology” Researchers found a new mutation in the HR gene causing hair loss and skin bumps in a Pakistani family.
2 citations
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August 2021 in “Animal Cells and Systems” Egfl6 is not needed for zebrafish face development.
14 citations
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April 2019 in “Genes” Researchers found a genetic region that influences the number of coat layers in dogs.
February 2025 in “International Journal of Molecular Sciences” RORA plays a key role in controlling seasonal hair molting by affecting hair follicle cell activity.
April 2011 in “Cancer Research” 20(S)-Protopanaxadiol-aglycone may help prevent and treat prostate cancer by reducing androgen receptor activity.
176 citations
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June 2016 in “PLoS ONE” Nucleic acid polymers can enhance antiviral responses and improve treatment outcomes for chronic hepatitis B.