5 citations
,
March 2009 in “Pediatric Dermatology” The study found that pili bifurcati causes hair to intermittently split into two branches, each with its own outer layer.
76 citations
,
June 2008 in “Journal of the American Academy of Dermatology” The conclusion is that certain scalp tissue changes are characteristic of lichen planopilaris, with mucinous perifollicular fibroplasia being a new feature for diagnosis.
1 citations
,
December 2019 in “American journal of ophthalmology. Case reports” A rare skin condition caused droopy and outward-turning eyelids in a patient.
June 2003 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” GLABRA2 represses root hair formation by inhibiting a specific gene.
Eyelid pilomatrixomas are rare, benign tumors that need accurate diagnosis for proper treatment.
10 citations
,
July 2014 in “Annals of Saudi Medicine” A 30-year-old man with rare skin conditions improved with antibiotics and surgery, hinting at a link to rosacea.
July 2025 in “Frontiers in Medicine” Mutations in the LIPH gene cause woolly hair in a child.
48 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.
September 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Different fish use the same genes to regrow teeth.
3 citations
,
April 2016 in “International Journal of Dermatology” A young man was diagnosed with trichoepitheliomas, causing thick skin and hair loss.
81 citations
,
June 2012 in “European journal of human genetics” Inherited ichthyoses cause widespread skin scaling and thickening due to gene mutations.
67 citations
,
January 1992 in “Journal of Investigative Dermatology” 2 citations
,
October 2014 in “Orbit” Lacrimal gland inflammation and alopecia areata can happen together due to autoimmune issues.
The nail immune system is similar to hair but different from skin, with fewer immune markers.
January 2026 in “Cosmoderma” A 9-year-old girl has a rare hair disorder causing beaded, sparse hair.
30 citations
,
July 1998 in “British Journal of Dermatology” Fat cells slow hair cell growth but speed up their development.
1 citations
,
January 2014 in “Health Renaissance” Pseudopelade of Brocq is hard to diagnose and treat, with limited effective options.
7 citations
,
August 2020 in “Animal biotechnology” A specific RNA in cashmere goats helps improve hair growth by interacting with certain molecules.
December 2021 in “International journal of research - granthaalayah” A young woman had a rare, usually non-cancerous tumor on her face that was initially mistaken for a different condition.
9 citations
,
December 2012 in “Indian Journal of Dermatology Venereology and Leprology” Two sisters had rare, widespread cysts and complete hair loss, suggesting a genetic link.
16 citations
,
July 2014 in “Cell Biology International” Lithium chloride helps hair follicle cells become tooth cells by activating a specific signaling pathway.
1 citations
,
May 2015 in “Plastic and Reconstructive Surgery” The Sacred Heart Bilobed Flap is a surgical method for repairing small scalp defects with local flaps, relying on scalp elasticity and hair regrowth to hide any imperfections.
35 citations
,
September 2003 in “Archives of dermatology” Tiger tail bands in hair are caused by wavy hair fibers with melanin, unlike straight fibers in normal hair.
61 citations
,
April 1980 in “Journal of the American Academy of Dermatology” A new syndrome may link skin, growth, mental, and hair issues.
April 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” 150 citations
,
May 1993 in “The journal of cell biology/The Journal of cell biology” Mouse Notch is important for determining cell roles in hair follicles.
3 citations
,
January 2016 in “Dermatology online journal” Some people with lichen planus pigmentosus might later develop frontal fibrosing alopecia.
September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Scarred skin in lichen planopilaris loses immune cells due to a decrease in a specific protein in skin cells.
11 citations
,
January 2013 in “Veterinary dermatology” Keratinocytes from dog hair follicles can create a functional skin layer in a lab model, useful for dog skin therapy.
10 citations
,
June 1999 in “Veterinary Dermatology” Two cows had a rare hair disorder causing hair loss but were otherwise healthy.