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cis-Urocanic Acid as a Potential nickel(II) Binding Molecule in the Human Skin

cis-Urocanic Acid as a Potential nickel(II) Binding Molecule in the Human Skin

Nina Ewa Wezynfeld, Wojciech Goch, Wojciech Bal, Tomasz Frączyk

Dalton Trans. 2014 Feb 28;43(8):3196-201.

PMID: 24352502

Abstract:

cis-Urocanic acid, a derivative of histidine, is one of the essential components of human skin. We found that it can bind nickel(II) ions in a pH-dependent manner, with the dissociation constant in the low millimolar range, as revealed by potentiometry, and confirmed by isothermal titration calorimetry and UV-vis spectroscopy. The binding occurs within the physiological skin pH range. Considering the fact that cis-urocanic acid is present in the human skin in concentrations as high as millimolar, this molecule may be a physiologically important player in nickel trafficking in the human organism.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP7699356	cis-Urocanic acid		7699-35-6	Price

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