Decreased plasma membrane fluidity of peripheral blood lymphocytes after diethyldithiocarbamate (DTC) therapy in HIV-infected patients.

Abstract:

:In seeking the putative mechanism of action of diethyldithiocarbamate (DTC) on the immune status of HIV infected patients, the plasma membrane fluidity of peripheral blood lymphocytes (PBL) from DTC-treated and untreated patients (CDC III-IVc1) was determined. Anisotropy values of the fluorescent probe 6-(9-anthroyloxy) stearic acid were increased in DTC-treated patients (0.175 vs 0.161), indicating decreased PBL plasma membrane fluidity. The membrane rigidifying effect was significantly greater 4 h after i.v. drug administration (0.185 in treated patients). As the membrane fluidity and the function of membrane embedded antigen are interdependent, it is possible that alterations in biophysical and/or biochemical properties of membranes may account for the beneficial effect of DTC on the immune function and clinical status of HIV infected patients.

journal_name

Eur J Clin Pharmacol

authors

Lehr HA,Zimmer JP,Hübner C,Reisinger EC,Kohlschütter A,Claussen M,Schmitz H,Dietrich M

doi

10.1007/BF00558135

subject

Has Abstract

pub_date

1989-01-01 00:00:00

pages

521-3

issue

5

eissn

0031-6970

issn

1432-1041

journal_volume

37

pub_type

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