29 citations
,
December 2004 in “Developmental biology” cDermo-1 causes dense skin, feathers, and scales in chickens.
19 citations
,
May 2016 in “Matrix Biology” Deleting a specific protein in skin cells disrupts normal hair growth and development.
July 2025 in “Journal of Investigative Dermatology” Secreted inhibitors of Wnt and IGF signaling control hair and tooth development, creating species-specific patterns.
January 2025 in “Journal of Fungi” Advanced dermoscopy techniques improve diagnosis and treatment monitoring for Kerion celsi but don't guarantee full hair regrowth.
17 citations
,
April 1997 in “American Journal of Dermatopathology” PC-associated alopecia has unique microscopic features.
March 2020 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” The dermal sheath's contraction is crucial for hair follicle regression and stem cell relocation.
19 citations
,
November 2001 in “Journal of Investigative Dermatology Symposium Proceedings” Human hair follicles can regenerate and recover after severe injury by going through a brief abnormal resting phase before growing again.
January 2022 in “SSRN Electronic Journal” Mouse hair follicles age, causing more white hairs due to fewer pigment stem cells.
19 citations
,
November 1985 in “Archives of Dermatology” The newborn's skin blisters healed without scarring, leaving some light spots, and stopped forming after four months.
A rare genetic mutation causes severe immune issues, hair loss, and nail problems.
5 citations
,
April 2019 in “Veterinary Dermatology” Cats infested with Lynxacarus radovskyi can lose hair without inflammation, treatable with selamectin.
4 citations
,
November 2016 in “The Journal of Dermatology” Pili torti hair is fragile due to loose keratin filaments and weak disulfide bonds.
April 2017 in “Journal of dermatological science” Removing PLCg1 from skin cells caused thicker oil glands and less hair in mice.
18 citations
,
March 1992 in “Archives of Dermatology” The man's scarring alopecia and skin issues did not improve with treatments.
179 citations
,
June 2000 in “The American journal of pathology” The absence of functional sebaceous glands causes hair follicle destruction and scarring alopecia.
7 citations
,
October 2024 in “Cells” Autophagy is essential for proper skin cell development and function.
2 citations
,
August 2012 in “Journal of the American Academy of Dermatology” Two patients with the same genetic mutation had both blistering skin and easily pulled out hair.
6 citations
,
January 2000 in “Dermatology” A girl's severely tangled hair couldn't be fixed and had to be cut due to a rare condition called plica neuropathica.
April 2016 in “Journal of Investigative Dermatology” Wnt ligands, produced by dermal papilla cells, are essential for adult hair growth and regeneration.
17 citations
,
January 2011 in “Indian journal of dermatology, venereology, and leprology” A rare genetic skin condition usually affecting males was found in a 9-year-old girl.
September 2025 in “British Journal of Dermatology”
10 citations
,
November 2018 in “Genetics in medicine” Lack of cystatin M/E causes thin hair and dry skin.
April 2017 in “Journal of Investigative Dermatology” The hair follicle dermal sheath is essential for hair shedding and needs to communicate with the outer root sheath for normal hair growth cycles.
16 citations
,
April 2012 in “Journal of mammalogy” Young female Australian fur seals are losing hair due to low tyrosine and zinc levels and high pollution exposure.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” The study found that a key immune pathway protecting hair follicles is reduced in a mouse model of scarring hair loss.
January 2012 in “The Year book of dermatology”
November 2018 in “Skin appendage disorders” The document concludes that a woman has both Frontal Fibrosing Alopecia and Lichen Simplex Chronicus, a previously unreported combination of conditions.
April 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Spiny mice regenerate skin better than laboratory mice due to larger hair bulges, more stem cells, and different collagen ratios.
1 citations
,
January 2015 in “Journal of clinical case reports” KFSD causes scarring hair loss and skin roughness, mainly in males.
40 citations
,
November 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Different melanocyte types in hair follicles either survive or die during the catagen phase.