April 2023 in “Journal of Investigative Dermatology” Higher PD-1 levels are linked to fewer immune cells in hair follicles in alopecia areata.
September 2025 in “Science Advances” PADI4 enzyme slows down cell growth in developing hair follicles.
8 citations
,
June 2004 in “Journal of Investigative Dermatology” Certain peptides can prevent hair loss in young rats caused by a cancer drug.
64 citations
,
August 2014 in “The journal of allergy and clinical immunology/Journal of allergy and clinical immunology/The journal of allergy and clinical immunology” A deficiency in the TTC7A gene causes immune problems, gut issues, and hair loss.
13 citations
,
August 2017 in “Journal of Cellular Physiology” PD‐L1 and PD‐L2 may not effectively control immune activation in alopecia areata.
22 citations
,
September 2003 in “Journal of Investigative Dermatology” New mutations in the EBP gene cause CDPX2, affecting bones, skin, eyes, and hair, with females generally less affected than males.
1 citations
,
February 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” A peptide from hair follicle stem cells promotes hair growth by activating specific skin cells.
April 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Disrupting the Tsc2 gene in certain cells leads to thicker skin, larger hair, and changes in hair growth signaling, which can be partly reversed with specific treatment.
25 citations
,
November 2015 in “Journal of Dermatological Science” Sebum helps protect human skin from microbes.
September 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” The treatments stopped hair regrowth in mice.
18 citations
,
April 2011 in “International Journal of Molecular Medicine” Dihydrotestosterone causes p27 protein breakdown in ovarian and breast cancer cells by binding with SKP2.
8 citations
,
March 2015 in “Molecular Medicine Reports” Hair dye ingredient PPD causes cell death and aging in human hair cells by altering microRNA levels.
41 citations
,
July 2016 in “Journal of Investigative Dermatology” Dysplastic nevi have unique gene expressions, making them distinct from common melanocytic nevi.
12 citations
,
September 2018 in “International Journal of Cosmetic Science” Palmitoyl tetrapeptide-20 may help reduce hair greying and increase melanin production.
20 citations
,
September 2022 in “Journal of Biomedical Optics” PBM helps improve cell survival in 3D tissue engineering.
November 1997 in “Open Archive (Karolinska Institutet)” PTCH gene mutations contribute to basal cell carcinoma development.
March 2025 in “Institutional Repositories DataBase (IRDB)” The testes significantly contribute to vitamin D metabolism and may affect male reproductive health and conditions like hair loss.
3 citations
,
June 2018 in “Internal Medicine” Recombinant thrombomodulin can effectively treat severe complications in Cronkhite-Canada syndrome.
26 citations
,
December 2006 in “Endocrinology” A cream with a specific hormone blocker increases hair growth in mice.
8 citations
,
March 2020 in “Frontiers in Cell and Developmental Biology” Researchers created immortal human skin cells with constant testosterone receptor activity to study hair loss and test treatments.
13 citations
,
December 2021 in “Wound repair and regeneration” Photobiomodulation helps hair regrow in injured skin by aiding cell movement and secretion.
324 citations
,
May 2002 in “Oncogene”
15 citations
,
July 2016 in “Biochemical Journal” Wnt proteins from certain skin cells are crucial for normal hair growth and renewal.
December 2022 in “Acta Ophthalmologica” Dutasteride potentially improves cell survival and reduces retinal damage in retinitis pigmentosa.
May 2023 in “Journal of Investigative Dermatology” Blocking DPP4 can potentially speed up hair growth and regeneration, especially after injury or in cases of hair loss.
November 2024 in “Journal of Investigative Dermatology” ATP-sensitive potassium channels are important for hair growth.
December 2024 in “Biochemical and Biophysical Research Communications” LMWP-PDGFA shows promise for improving hair health and treating hair loss with fewer side effects.
7 citations
,
August 2008 in “Immunogenetics” A gene mutation in mice causes increased mast cells and disorganized hair follicles in their skin.
November 2025 in “Journal of Investigative Dermatology” Genetic variants in specific genes cause central centrifugal cicatricial alopecia.
December 2023 in “American journal of medical genetics. Part A” A new syndrome was linked to two new genetic changes in the MBTPS1 gene in a 14-year-old girl.