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The Origin of the Wavelength-Dependent Photoreactivity of Trans-Urocanic Acid

โœ Scribed by Kerry M. Hanson; John D. Simon

Book ID
111412491
Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
309 KB
Volume
67
Category
Article
ISSN
0031-8655

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UV-B radiation suppresses cell-mediated immunity. Histidine forms trans-urocanic acid (truns-UCA) enzymatically in the stratum comeum. Photoisomerization of trans-UCA to cis-urocanic acid (cis-UCA) has been proposed for the initiation of an immunosuppressive process. Many microorganisms described in