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M9470010.TXT
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1994-07-02
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Document 0010
DOCN M9470010
TI Effect of postnatal ethanol exposure on expression of differentiation
antigens of murine splenic lymphocytes.
DT 9409
AU Giberson PK; Blakley BR; Department of Veterinary Physiological
Sciences, Western College; of Veterinary Medicine, University of
Saskatchewan, Saskatoon,; Canada.
SO Alcohol Clin Exp Res. 1994 Feb;18(1):21-8. Unique Identifier : AIDSLINE
MED/94256594
AB Ethanol is a recognized immunosuppressive agent in the chronic
alcoholic. However, the effects of ethanol exposure on the developing
immune system have not been extensively investigated. This study
evaluated the effects of early postnatal ethanol exposure, via breast
milk, on splenic lymphocyte differentiation antigen expression in
offspring reared by ethanol-fed mice. Maternal mice were fed a liquid
diet containing 20% ethanol-derived calories during pregnancy (E-P),
pregnancy and lactation (E-PL), or lactation (E-L). Ad libitum-fed (C)
and pair-fed (PF) control groups, fed a control liquid diet, were
included. Expression of differentiation antigens on splenic lymphocytes
from 21-day-old offspring reared by females in 1 of the 3 ethanol
exposure conditions was evaluated by flow cytometry. Offspring reared by
E-P females had similar numbers of splenic lymphocytes as offspring
reared by C and pair-fed during pregnancy (PF-P) females. In contrast,
offspring reared by E-PL and E-L females had fewer splenic lymphocytes
than both PF-PL and PF-L (respectively), and C offspring. The number of
Thy 1.2+, CD4+, CD8+, and IgG+ (B-cell) splenic lymphocytes was reduced
in E-PL and E-L offspring compared with PF and C offspring. E-P
offspring had fewer CD4+ and IgG+ splenic lymphocytes than C, but not
PF-P, offspring. The percentage of Thy 1.2+ splenic lymphocytes was
significantly reduced among E-PL and E-L offspring compared with PF-PL
and PF-L (respectively), and C offspring.(ABSTRACT TRUNCATED AT 250
WORDS)
DE Alcohol, Ethyl/PHARMACOKINETICS/*TOXICITY Animal Animals, Newborn
Antigens, Differentiation/*ANALYSIS B-Lymphocytes/*DRUG
EFFECTS/IMMUNOLOGY CD4-CD8 Ratio Female Fetal Alcohol
Syndrome/*IMMUNOLOGY Flow Cytometry Killer Cells, Natural/DRUG
EFFECTS/IMMUNOLOGY Leukocyte Count Male Rats Support, Non-U.S. Gov't
T-Lymphocytes/*DRUG EFFECTS/IMMUNOLOGY JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).