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Glossary Tyrosinase

enzyme crucial for melanin production in skin and hair

Tyrosinase is an enzyme that plays a crucial role in the production of melanin, the pigment responsible for the color of skin, hair, and eyes. It catalyzes the oxidation of tyrosine, an amino acid, into dopaquinone, which then undergoes further reactions to form melanin. This enzyme is significant in understanding conditions like albinism and vitiligo, where melanin production is affected.

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Research

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research Tyrosinase inhibition due to interaction of homocyst(e)ine with copper: the mechanism for reversible hypopigmentation in homocystinuria due to cystathionine beta-synthase deficiency.

74 citations , July 1995 in “PubMed”

This study suggests that reversible hypopigmentation in homocystinuric patients may result from tyrosinase inhibition by homocyst(e)ine, with in-vitro experiments showing copper sulfate reversing this inhibition.

research Tyrosine kinase inhibition and grey hair

59 citations , March 2003 in “The Lancet”

Imatinib can repigment grey hair, while SU11428 can cause temporary hair depigmentation.

research Tyrosinase Depletion Prevents the Maturation of Melanosomes in the Mouse Hair Follicle

31 citations , November 2015 in “PloS one”

In this study, modulating Tyrosinase expression altered mouse coat color by affecting melanosome accumulation, indicating that melanosome maturity plays a role in determining skin and hair color beyond total melanin content.

research The antimycotic agent clotrimazole inhibits melanogenesis by accelerating ERK and PI3K-/Akt-mediated tyrosinase degradation

15 citations , March 2015 in “Experimental Dermatology”

Clotrimazole, an antifungal cream, may safely reduce skin pigmentation by breaking down the enzyme needed for making melanin.

research Screening of Tyrosinase, Xanthine Oxidase, and α-Glucosidase Inhibitors from Polygoni Cuspidati Rhizoma et Radix by Ultrafiltration and HPLC Analysis

12 citations , May 2023 in “Molecules”

This study identified seven potential enzyme inhibitors from a Polygonum cuspidatum extract using ultrafiltration combined with high-performance liquid chromatography. These compounds showed inhibitory activity against tyrosinase, α-glucosidase, and xanthine oxidase, with most discovered in this extract for the first time.

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Learn

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learn L-Tyrosine HCL

learn Acetyl Tyrosine

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Community Join

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community Beneficial supplement (my experience)

1 upvotes 8 months ago

The user shares their experience with hair loss treatments, specifically finasteride, and discusses the side effects like lowered libido and motivation. They recommend trying tyrosine to counter these effects, noting it improved their libido and energy levels.

community Has anyone with high prolactin taken meds to lower it and seen hair regrowth?

5 upvotes 7 months ago

High prolactin levels may contribute to hair loss, and some users suggest supplements like mucuna pruriens, vitamin B6, vitamin E, L-Tyrosine, L-Theanine, DIM, and Zinc to lower prolactin. Lifestyle changes to increase dopamine, such as reducing screen time and stress, are also recommended.

community Hair Restoration Log (Weekly 1.5 mm microneedling + QOD 0.5 mg Finasteride + Daily 50 mg 5% RU58841)

2 upvotes 5 years ago

The user experienced side effects from daily 1 mg Finasteride and switched to 0.5 mg every other day, supplemented with creatine, tongkat ali, tribulus terrestris, vitamin D3, bromantane, l-tyrosine, and caffeine. They also use weekly 1.5 mm microneedling and daily 50 mg RU58841, except on microneedling days, to manage hair loss.

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