12 citations,
February 2008 in “Journal of The American Academy of Dermatology” Combining skin tissue pathology with genetics has greatly improved the diagnosis and understanding of certain skin diseases.
9 citations,
February 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” The document concludes that the human keratin gene cluster is complex, with a need for updated naming to reflect over 50 functional genes important for hair and skin biology.
7 citations,
September 2017 in “Scientific Reports” Mice with too much sPLA₂-IIA have hair loss and poor wound healing due to abnormal hair growth and stem cell depletion.
2 citations,
May 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Sebaceous glands can heal and regenerate after injury using their own stem cells and help from hair follicle cells.
2 citations,
March 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” Hairless mammals have genetic changes in both their protein-coding and regulatory sequences related to hair.
5 citations,
February 2019 in “PloS one” Bald thigh syndrome in sighthounds is caused by structural defects in hair shafts due to downregulated genes and proteins.
70 citations,
January 2014 in “International review of cell and molecular biology” Keratin proteins are crucial for healthy skin, but mutations can cause skin disorders with no effective treatments yet.
70 citations,
December 2004 in “Differentiation” The study identified and characterized new keratin genes linked to hair follicles and epithelial tissues.
29 citations,
November 2011 in “Veterinary pathology” The study found that mouse sweat glands develop before birth, mature after birth, and have specific keratin patterns.
55 citations,
August 2013 in “PloS one” Genetic differences between young and old Tan sheep explain why their fleece changes from curly to straight as they age.
4 citations,
January 2021 in “Cell transplantation” Scientists found the best time to transplant human stem cells for hair growth is between days 16-18 when they have the right markers and growth potential.
27 citations,
November 2007 in “Genomics” Mutations in specific keratin genes cause improper hair structure in mice due to faulty keratin protein assembly.
17 citations,
May 2018 in “BMC genomics” Researchers found genes and microRNAs that control curly fleece in Chinese Tan sheep.
9 citations,
November 2020 in “The FASEB journal” Intermediate filaments are crucial for cell differentiation and stem cell function.
16 citations,
November 2022 in “eLife” Both gene and non-gene areas of DNA evolved to make some mammals hairless.
19 citations,
July 1994 in “Journal of Dermatological Science” Human hair keratin genes are similar to mouse genes and are specifically expressed in hair follicles.
38 citations,
November 2020 in “International journal of biochemistry & cell biology” Keratin proteins are essential for keeping the cells in the human colon healthy and stable.
Hairlessness in mammals is due to complex genetic changes in both genes and regulatory regions.
2 citations,
May 2020 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” The study found that specific proteins are markers of hair follicle development in human fetuses.
April 2018 in “Journal of Investigative Dermatology” Ginsenoside Rd may help improve skin aging by increasing collagen in the skin.
April 2018 in “Journal of Investigative Dermatology” Aging reduces skin cell renewal and defense against germs due to TGFbeta, but blocking TGFbeta could help restore these functions.
April 2018 in “Journal of Investigative Dermatology” Removing STAT5 from 3D-cultured human skin cells reduces their ability to grow hair.
April 2018 in “Journal of Investigative Dermatology” Kaempferol helps skin stem cells grow and may improve skin thickness due to its 3-OH group.
April 2018 in “Journal of Investigative Dermatology” 53 citations,
April 2021 in “Cell Host & Microbe” Skin bacteria, specifically Staphylococcus aureus, help in wound healing and hair growth by using IL-1β signaling. Using antibiotics on skin wounds can slow down this natural healing process.
18 citations,
August 2012 in “Journal of The American Academy of Dermatology” Estrogen therapy helped regrow hair in a bald man.
10 citations,
July 2013 in “British Journal of Dermatology” High MUC-18/MCAM levels in blood indicate a worse outlook for melanoma patients.
4 citations,
December 2020 in “Mammalian genome” Harlequin mutant mice have hair loss due to low AIF protein levels and retroviral element activity.
1 citations,
February 2018 in “Australasian journal of dermatology” Advanced imaging techniques are crucial for accurately diagnosing Monilethrix, a rare hair disorder.
A 5-year-old girl has sparse, dry, and brittle hair but is otherwise healthy.