Results 11 to 20 of about 63,697 (228)

Mechanistic studies of anti-hyperpigmentary compounds: elucidating their inhibitory and regulatory actions. [PDF]

open access: yes, 2014
Searching for depigmenting agents from natural sources has become a new direction in the cosmetic industry as natural products are generally perceived as relatively safer.
Cheng, CH   +3 more
core   +2 more sources

In vitro and in silico insights into tyrosinase inhibitors with (E)-benzylidene-1-indanone derivatives

open access: yesComputational and Structural Biotechnology Journal, 2019
Tyrosinase is a key enzyme responsible for melanin biosynthesis and is effective in protecting skin damage caused by ultraviolet radiation. As part of ongoing efforts to discover potent tyrosinase inhibitors, we systematically designed and synthesized ...
Hee Jin Jung   +6 more
doaj   +1 more source

Transplantable melanomas in hamsters and gerbils as models for human melanoma : sensitization in melanoma radiotherapy : from animal models to clinical trials [PDF]

open access: yes, 2018
The focus of the present review is to investigate the role of melanin in the radioprotection of melanoma and attempts to sensitize tumors to radiation by inhibiting melanogenesis. Early studies showed radical scavenging, oxygen consumption and adsorption
Andrzej Słominski   +11 more
core   +1 more source

Structure and Function of Human Tyrosinase and Tyrosinase‐Related Proteins [PDF]

open access: yesChemistry – A European Journal, 2017
AbstractMelanin is the main pigment responsible for the color of human skin, hair and eye. Its biosynthesis requires three melanogenic enzymes, tyrosinase (TYR), and the tyrosinase‐related proteins TYRP1 and TYRP2. The difficulty of isolating pure and homogeneous proteins from endogenous sources has hampered their study, and resulted in many ...
Xuelei Lai   +3 more
openaire   +3 more sources

Growth, photosynthetic pigments, phenolic content and biological activities of Foeniculum vulgare Mill., Anethum graveolens L. and Pimpinella anisum L. (Apiaceae) in response to zinc [PDF]

open access: yes, 2017
The effect of zinc (Zn) on phenols, antioxidant activities (free radicals' scavenging activities, inhibition of lipid peroxidation, chelating activity and reducing power), and enzyme inhibition activities of acetylcholinesterase, lipoxygenase and ...
Ben Kaab, Leila Bettaieb   +6 more
core   +1 more source

A Novel Class of Potent Anti-Tyrosinase Compounds with Antioxidant Activity, 2-(Substituted phenyl)-5-(trifluoromethyl)benzo[d]thiazoles: In Vitro and In Silico Insights

open access: yesAntioxidants, 2022
Sixteen compounds bearing a benzothiazole moiety were synthesized as potential tyrosinase inhibitors and evaluated for mushroom tyrosinase inhibitory activity.
YeJi Hwang   +12 more
doaj   +1 more source

Species Limits and Phylogeography of North American Cricket Frogs (Acris: Hylidae) [PDF]

open access: yes, 2008
Cricket frogs are widely distributed across the eastern United States and two species, the northern cricket frog (Acris crepitans) and the southern cricket frog (A. gryllus) are currently recognized. We generated a phylogenetic hypothesis for Acris using
Berendzen, Peter B.   +4 more
core   +2 more sources

Inhibitory Effects of Urginea maritima (L.) Baker, Zhumeria majdae Rech. F. and Wendelbo and Physalis divaricata D. Don Ethanolic Extracts on Mushroom Tyrosinase

open access: yesPharmaceutical Sciences, 2016
Background: Tyrosinase is a key enzyme in melanin synthesis from tyrosine. To prevent or treat pigmentation disorders, tyrosinase inhibitors have been used increasingly for medicinal and cosmetic products.
Foroogh Namjoyan, Alireza Jahangiri, Mohammad Ebrahim Azemi, Hamideh Mousavi
doaj   +1 more source

A Potent Tyrosinase Inhibitor, (E)-3-(2,4-Dihydroxyphenyl)-1-(thiophen-2-yl)prop-2-en-1-one, with Anti-Melanogenesis Properties in α-MSH and IBMX-Induced B16F10 Melanoma Cells

open access: yesMolecules, 2018
In this study, we designed and synthesized eight thiophene chalcone derivatives (1a–h) as tyrosinase inhibitors and evaluated their mushroom tyrosinase inhibitory activities.
Chang Seok Kim   +7 more
doaj   +1 more source

The influence of in vitro gastrointestinal digestion on the chemical composition and antioxidant and enzyme inhibitory capacities of carob liqueurs obtained with different elaboration techniques [PDF]

open access: yes, 2019
Carob liqueur is a traditional Mediterranean alcoholic beverage obtained via a wide range of production techniques contributing to the different organoleptic attributes of the final product.
Coelho, Natacha   +5 more
core   +1 more source

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