Abstract
The effects of alcohol exposure on human peripheral circulating lymphocyte protein kinase C (PKC) activity were characterized in lymphocytes harvested from two sample groups. The first group (control) consisted of 30 nonalcoholic male subjects and the second group consisted of nine male subjects with chronic alcoholism. Alcoholic subjects were admitted for detoxification to a substance abuse unit located in a nonprofit community hospital. In this group of subjects, blood was sampled on admission for detoxification (pre-A), and after 5 days (post-A). Subjects received chlordiazepoxide for treatment of alcohol withdrawal symptoms. PKC activities measured in the control, pre-A, and post-A groups expressed as pmol/ μg/min ± SEM were 5.09 ± 0.50, 1.81 ± 0.43, and 3.95 ± 0.44. Control PKC was significantly higher than pre-A PKC ( p≤0.05) and post-A PKC was significantly higher than pre-A PKC ( p≤0.05). Total lymphocyte PKC activity was also found to be inversely related to age, expressed by the relationship log(PKC) = 0.870 − 0.005(Age), with R = 0.433.
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