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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

5 / 1000+ results

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

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

This study found that despite strong homology between two K16 genes, only one encoded a functional protein that assembled into keratin filaments in epithelial cells, possibly due to promoter strength differences.

research A new mutation in the type II hair cortex keratin hHb1 involved in the inherited hair disorder monilethrix

100 citations , November 1997 in “Human Genetics”

In this study, researchers found that the prevalent Glu 410 Lys mutation in hHb6 and a new Glu 403 Lys mutation in hHb1 are linked to monilethrix, suggesting a mutational hotspot in type II hair 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.

research Type II Keratins Are Phosphorylated on a Unique Motif during Stress and Mitosis in Tissues and Cultured Cells

80 citations , June 2002 in “Molecular Biology of the Cell”

This study found that type II keratins in proliferating epithelial tissues are phosphorylated at a conserved motif during mitosis and stress, impacting keratin solubilization and reorganization.

The Human Type I Keratin Gene Family: Characterization of New Hair Follicle Specific Members and Evaluation of the Chromosome 17q21.2 Gene Domain

research The human type I keratin gene family: Characterization of new hair follicle specific members and evaluation of the chromosome 17q21.2 gene domain

70 citations , December 2004 in “Differentiation”

This study identifies six novel keratin genes from the chromosome 17q21.2 region, suggesting their association with hair follicles, while all 27 keratin genes in the domain have been characterized transcriptionally.

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Community Join

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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 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 5 months on Fin 1 mg + biotin collagen daily supplement I think this is progress but idk and pls help me get more

5 upvotes 6 months ago

The user has been using 1mg finasteride and biotin-collagen supplements for 5 months, noticing some progress in hair regrowth. They also use various oils and shampoos, plan to start oral minoxidil, and seek advice on improving their hair care routine.

community Minoxidil is NOT an Anti-androgen. No.

in Research/Science 43 upvotes 9 months ago

Minoxidil is not an anti-androgen; it is a growth stimulator and does not lower DHT like finasteride or dutasteride. Minoxidil can cause side effects like facial swelling and anxiety due to its vasodilator properties.

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.

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