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Glossary Keratin 5

protein providing structural support in skin and hair follicles

Keratin 5 (KRT5) is a type of protein found in the skin and hair follicles that helps provide structural support and strength. It is particularly important in the formation of the intermediate filaments in epithelial cells, which are cells that line the surfaces and cavities of the body. Mutations in the KRT5 gene can lead to skin disorders such as epidermolysis bullosa simplex, where the skin becomes fragile and blisters easily.

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Research

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research Conditional Gene Expression in the Epidermis of Transgenic Mice Using the Tetracycline-Regulated Transactivators tTA and rTA Linked to the Keratin 5 Promoter

215 citations , November 2000 in “Journal of Investigative Dermatology”

This study found that the tetracycline-regulated transcription system effectively controls conditional gene expression in the mouse epidermis, allowing suppression and activation of specific genes with doxycycline.

research Efficient In Vivo Targeting of Epidermal Stem Cells by Early Gestational Intraamniotic Injection of Lentiviral Vector Driven by the Keratin 5 Promoter

52 citations , October 2007 in “Molecular Therapy”

Injecting lentiviral vectors into early gestation mice effectively targets skin stem cells for potential gene therapy.

research Identification of somatic and germline mosaicism for a keratin 5 mutation in epidermolysis bullosa simplex in a family of which the proband was previously regarded as a sporadic case

26 citations , June 2004 in “Clinical Genetics”

This study describes a case of epidermolysis bullosa simplex where maternal somatic and germline mosaicism was identified, highlighting the significance for genetic counseling in sporadic cases.

research Directed Expression of a Chimeric Type II Keratin Partially Rescues Keratin 5-null Mice

15 citations , May 2014 in “Journal of Biological Chemistry”

In this study, targeting the expression of a keratin KRT5/KRT8 chimeric cDNA in keratin-deficient mice partially restored structural defects in epidermal cells, but did not fully normalize skin health.

research A 5'-upstream region of a bovine keratin 6 gene confers tissue-specific expression and hyperproliferation-related induction in transgenic mice.

46 citations , May 1995 in “Proceedings of the National Academy of Sciences”

This study demonstrated that a specific 9-kbp fragment of the bovine keratin 6 gene effectively directs tissue-specific and inducible expression in transgenic mice, suggesting potential applications for targeted gene therapy in hyperproliferative skin conditions.

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Clinics

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Community Join

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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 1.5 year on finasteride,microneedling,and minoxidil.Nothing helps its getting even worse.Is it possible that finasteride doesnt work on everybody? 19m

13 upvotes 1 year ago

The user has been using topical finasteride, minoxidil, microneedling, and various supplements for hair loss without success, and is advised to reduce microneedling frequency and consider oral finasteride or dutasteride. It is noted that finasteride may not work for everyone, and some users suggest checking hormone levels and deficiencies.

community Seeking Supplement Advice for Keratin Enhancement and Hair Flattening

in General 31 upvotes 7 months ago

The conversation discusses hair flattening and improving hair health. It mentions using supplements to increase keratin in the hair.

community 1.5 years on finasteride/rogaine/nizoral

4 upvotes 9 years ago

A 24-year-old experienced initial success with finasteride, Rogaine, and Nizoral for hair loss but noticed a decline after 1.5 years. Despite concerns about side effects, they decided to try dutasteride after consulting with a dermatologist.

community Keratin microspheres - breakthrough

14 upvotes 2 years ago

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.

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Learn

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learn Azelaic Acid

Acid used in acne and rosacea creams

learn Biotin

B vitamin, often sold as a hair supplement

learn Keratin

learn Hydrolyzed Keratin

learn Alpha Keratin

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