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MODULATION BY THIOLS OF THE MEROCYANINE 540‐SENSITIZED PHOTOLYSIS OF LEUKEMIA CELLS, RED CELLS, AND Herpes simplex VIRUS TYPE 1

MODULATION BY THIOLS OF THE MEROCYANINE 540‐SENSITIZED PHOTOLYSIS OF LEUKEMIA CELLS, RED CELLS,... Abstract— This paper reports on the role of endogenous and exogenous thiols in the merocyanine 540 (MC 540)‐sensitized photoirradiation of L1210 leukemia cells, human erythrocytes, and human Herpes simplex virus type 1. Several measures taken to decrease the intracellular content of glutathione enhanced the cells sensitivity to MC 540‐sensitized photoirradiation while stimulation of glutathione biosynthesis or supplementation of the extracellular or extraviral thiol content decreased the photosensitivity of cells and viruses. Taken together, these data suggest that endogenous and exogenous thiols can modulate the sensitivity of cells and enveloped viruses to MC 540‐sensitized photoirradiation. They also pose new questions as to the mechanism of MC 540‐sensitized photolysis. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Photochemistry & Photobiology Wiley

MODULATION BY THIOLS OF THE MEROCYANINE 540‐SENSITIZED PHOTOLYSIS OF LEUKEMIA CELLS, RED CELLS, AND Herpes simplex VIRUS TYPE 1

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References (52)

Publisher
Wiley
Copyright
Copyright © 1991 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0031-8655
eISSN
1751-1097
DOI
10.1111/j.1751-1097.1991.tb08471.x
Publisher site
See Article on Publisher Site

Abstract

Abstract— This paper reports on the role of endogenous and exogenous thiols in the merocyanine 540 (MC 540)‐sensitized photoirradiation of L1210 leukemia cells, human erythrocytes, and human Herpes simplex virus type 1. Several measures taken to decrease the intracellular content of glutathione enhanced the cells sensitivity to MC 540‐sensitized photoirradiation while stimulation of glutathione biosynthesis or supplementation of the extracellular or extraviral thiol content decreased the photosensitivity of cells and viruses. Taken together, these data suggest that endogenous and exogenous thiols can modulate the sensitivity of cells and enveloped viruses to MC 540‐sensitized photoirradiation. They also pose new questions as to the mechanism of MC 540‐sensitized photolysis.

Journal

Photochemistry & PhotobiologyWiley

Published: Jan 1, 1991

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