32 citations,
February 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Two specific hair keratin genes are active during hair growth and decline as hair transitions to rest.
99 citations,
May 1998 in “Journal of biological chemistry/The Journal of biological chemistry” Small proline-rich proteins and trichohyalin help make epithelial tissues tougher and more flexible.
62 citations,
December 2007 in “Journal of biological chemistry/The Journal of biological chemistry” A specific chemical change in the S100A3 protein leads to the formation of a four-part structure important for hair formation.
40 citations,
November 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” S100A3 protein is crucial for hair shaft formation in mice.
17 citations,
June 2012 in “Journal of experimental zoology. Part B, Molecular and developmental evolution” Hair in mammals likely evolved from glandular structures, not scales.
450 citations,
January 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color is determined by melanin produced and transferred in hair follicles.
64 citations,
March 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” GPRC5D is linked to the formation of hair, nails, and certain tongue areas.
14 citations,
March 1995 in “Journal of cell science” SV40 T antigen in hair follicles causes abnormal hair and health issues in mice.
12 citations,
February 1998 in “Gene” The B2 genes are crucial for hair growth in rats.
68 citations,
August 2012 in “Journal of the American Academy of Dermatology” Dermatoscopy is a useful tool for diagnosing hair disorders and can help choose samples for more detailed analysis.
16 citations,
July 2013 in “The American Journal of Dermatopathology” Pigmented casts are common in several hair loss conditions and can help diagnose specific types of alopecia.
161 citations,
August 2012 in “Seminars in cell & developmental biology” Hair growth and development are controlled by specific signaling pathways.
86 citations,
April 2009 in “Journal of anatomy” Hard skin features like scales, feathers, and hair evolved through specific protein changes in different animal groups.
25 citations,
May 1994 in “Journal of Investigative Dermatology” Researchers found a new gene, hacl-1, that is active in mouse hair follicles during hair growth and may be important for hair biology.
30 citations,
April 2017 in “European Journal of Cell Biology” CIP/KIP proteins help stop cell division and support hair growth.
3 citations,
September 2020 in “Journal of cosmetic dermatology” Coconut oil makes hair stronger and more flexible than mineral oil.
Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.
11 citations,
January 2012 in “Journal of cell science” Rac1 is essential for proper hair structure and color.
417 citations,
September 2005 in “PLoS biology” Understanding gene expression in hair follicles can reveal insights into hair growth and disorders.
10 citations,
January 2010 in “International journal of trichology” Keratin-associated proteins are part of the developing hair fiber cuticle.
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.
71 citations,
August 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Hair keratin-associated proteins are essential for strong hair, with over 80 genes showing specific patterns and variations among people.
67 citations,
December 2008 in “Developmental Biology” Msx2 and Foxn1 are both crucial for hair growth and health.
24 citations,
March 2022 in “Frontiers in plant science” Plant root hair growth is mainly controlled by hormones like auxin and ethylene, which promote growth, while others like brassinosteroid inhibit it.
8 citations,
November 2022 in “International Journal of Cosmetic Science” Human hair varies widely and should be classified by curl type rather than race.
98 citations,
May 2016 in “Genes” Understanding wool keratin-associated proteins in sheep can help improve wool quality through selective breeding.
6 citations,
April 1996 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” TGF-alpha is present in sheep and ferret skin and may affect hair growth without directly stimulating cell proliferation.
7 citations,
December 2011 in “Annals of anatomy” Involucrin helps strengthen the inner parts of human hair.
232 citations,
January 2002 in “Mechanisms of development” Different enzymes are active in different parts of developing mouse organs.
2 citations,
August 2020 in “Clinical, Cosmetic and Investigational Dermatology” The hair-growth formula with L-cystine helps protect and grow hair cells.