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GlossaryType I Keratin

Type I keratin is a fibrous protein that is a key structural component of hair, skin, and nails. It is classified as an acidic keratin and is primarily found in the hard tissues of the body, contributing to the strength and resilience of hair strands. In the context of hair loss, understanding type I keratin is relevant as it plays a crucial role in hair follicle health and integrity; any disruption in its production or structure can lead to weakened hair and increased susceptibility to hair loss. Distinguishing characteristics of type I keratin include its high tensile strength and its ability to form complex structures with other keratins, particularly type II keratins, to create the overall architecture of hair.

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Research

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research A group of type I keratin genes on human chromosome 17: characterization and expression.

141 citations , February 1988 in “Molecular and Cellular Biology”

Only one K16 gene on chromosome 17 makes a functional keratin protein.

research Hair follicle differentiation: expression, structure and evolutionary conservation of the hair type II keratin intermediate filament gene family

65 citations , February 1992 in “Development”

Type II keratin genes are crucial for hair follicle differentiation and have a conserved structure and expression pattern.

research A gene for monilethrix is closely linked to the type II keratin gene cluster at 12q13

54 citations , January 1995 in “Human Molecular Genetics”

Monilethrix is linked to a gene cluster on chromosome 12.

research Sequence Data and Chromosomal Localization of Human Type I and Type II Hair Keratin Genes

52 citations , October 1995 in “Experimental Cell Research”

Human hair keratin genes hHa2 and hHb1 are located on chromosomes 17 and 12.

research A family of type I keratin genes and the homeobox-2 gene complex are closely linked to the rex locus on mouse chromosome 11

49 citations , October 1989 in “Genomics”

Type I keratin genes are closely linked to the rex locus on mouse chromosome 11, affecting hair development.

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Community Join

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community Let's talk keratin products and hair loss

in Styling 2 upvotes 10 months ago

OP is considering using a keratin gel to improve hair quality and is concerned about its safety and visual impact on a slightly balding crown. Users discuss shampoo frequency, with some suggesting less frequent use for better hair health, but OP prefers regular shampoo and conditioner for silky hair.

community Is Biotin or Keratin shampoo better for hair health/growth

in Product 4 upvotes 2 years ago

Biotin and Keratin shampoos are discussed for hair health and growth. Users suggest shampoos alone don't significantly aid hair growth.

community Mature hairlines in general and defining them

in Chat 13 upvotes 4 years ago

A "mature hairline" is subjective and may not indicate future stability. Finasteride and minoxidil are suggested treatments for hair loss.

community I’m Quitting ketoconazole shampoo

in Ketoconazole 2 upvotes 2 years ago

A user is quitting ketoconazole shampoo, believing it worsened their hair condition, and plans to use clarifying, keratin, and pH balanced moisturizing shampoos instead. Another user suggests using conditioner after ketoconazole to prevent dryness.

community Hair Remedies that Don't Work for Anybody Seeking Hair Regrowth

in Treatment 6 upvotes 5 years ago

Hair loss treatments discussed include minoxidil, finasteride, and RU58841. Salon products and supplements generally don't work for hair regrowth unless there's a severe nutritional deficiency, while hormonal treatments like estrogen and spironolactone can be effective.

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