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Glossary Type 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 gene for monilethrix is closely linked to the type II keratin gene cluster at 12q13

54 citations , January 1995 in “Human Molecular Genetics”

This study mapped monilethrix, a hereditary hair and nail disorder, to the type II keratin cluster on chromosome 12q, marking the first primary human hair disorder localization and implicating defects in "hard" keratins.

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.

research Mapping of monilethrix to the type II keratin gene cluster at chromosome 12q13 in three new families, including one with variable expressivity

21 citations , September 1997 in “British Journal of Dermatology”

This study found that monilethrix in three unrelated European families is linked to the type II keratin gene cluster on chromosome 12q13, with no evidence of defects in type I keratins.

Characterization of a Cluster of Human High/Ultrahigh Sulfur Keratin-Associated Protein Genes Embedded in the Type I Keratin Gene Domain on Chromosome 17q12-21

research Characterization of a Cluster of Human High/Ultrahigh Sulfur Keratin-associated Protein Genes Embedded in the Type I Keratin Gene Domain on Chromosome 17q12-21

98 citations , June 2001 in “Journal of biological chemistry/The Journal of biological chemistry”

This study identified a cluster of genes on chromosome 17 related to hair keratin-associated proteins, including 37 genes forming seven multigene families, localized in the hair shaft's upper cortex.

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Community Join

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community Let's talk keratin products and hair loss

2 upvotes 11 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

6 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

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 Is Min finally working for me? Routine help needed (Abbey Yung inspired) pls im balding ❤️ (long post & lots of Qs)

1 upvotes 9 months ago

A 23-year-old woman with androgenetic alopecia (AGA) is using minoxidil, rosemary oil, and dermastamping for hair loss, and is concerned about the effectiveness of minoxidil. She follows a detailed hair care routine and takes supplements like inositol, magnesium, saw palmetto, iron, multivitamins, vitamin D, and B12.

community Bryan (the guy who reversed aging) shares treatment that reversed his hair loss

1096 upvotes 1 year ago

A person improved hair loss from Norwood 3 to Norwood 2 using a topical formula with minoxidil, dutasteride, and tretinoin, plus oral minoxidil and red light therapy. There is skepticism about the treatment's effectiveness and concerns about misleading comparison photos.

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Learn

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learn Overview

learn Keratin

learn Alpha Keratin

learn Hair Transplant

How do I know which hair restoration treatment is right for me? Consult a professional for a personalized hair restoration treatment plan based on your needs.
What results can I expect from a hair transplant? Expect new hair growth in 3-4 months, with full results in 9-12 months.
When can I cut or style my hair after a hair transplant? You can cut or style your hair about 1 month after a hair transplant.
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learn Scalp Micropigmentation

How soon can I exercise after scalp micropigmentation? Avoid heavy exercise for 4-10 days after scalp micropigmentation to ensure proper healing.

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Clinics

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