71 citations
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August 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings”
This study revealed that human keratin-associated protein genes are expressed in specific patterns in hair fiber regions and vary in size, with some variations distinct across different populations.
This research found that variations in the KRTAP gene family are likely responsible for the diverse hair phenotypes seen among mammals, influenced by gene repertoire differences, expression, and evolutionary factors.
62 citations
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January 2004 in “The journal of investigative dermatology/Journal of investigative dermatology”
This study identified 16 novel high sulfur KAP genes and two KAP pseudogenes on chromosome 21q23, showing expression in a specific region of the hair fiber cuticle.
52 citations
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April 2012 in “Journal of Investigative Dermatology”
This study found that KRTAP2 proteins predominantly express in the hair shaft cortex of humans, interact with hairkeratins, and play crucial roles in hair shaft keratinization.
Protein's role in hair growth is complex, with specific amino acids like cysteine being crucial for effective hair growth. Users discussed using l-cysteine supplements, noting reduced hair loss and faster growth, though some experienced digestive issues.
A gel of keratin microspheres promotes hair follicle growth, showing similar effectiveness to minoxidil in mice. The treatment activates hair growth pathways and reduces inflammation, with potential applications in drug delivery for hair-related disorders.
A 28-year-old male shares his hair regrowth progress using finasteride, topical and oral minoxidil, hair peptide serum, ketoconazole shampoo, dermastamping, multivitamins, and a high-protein diet. He reports noticeable hair growth and minor side effects, emphasizing patience as key to success.
The user is using finasteride, HGH, GHK-CU, BPC-157, KPV, biotin/collagen/keratin vitamins, ketoconazole shampoo, and low-dose naltrexone to address hair loss, avoiding minoxidil due to past shedding experiences. Adenosine is discussed as a potential alternative to minoxidil, though it is noted to be expensive and hard to find.