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  • Title: Effect of ethanol on insulin-like growth factor-II release from fetal organs.
    Author: Mauceri HJ, Lee WH, Conway S.
    Journal: Alcohol Clin Exp Res; 1994 Feb; 18(1):35-41. PubMed ID: 8198224.
    Abstract:
    This study examines the effect of ethanol (ETOH) exposure and nutrient restriction on the release of insulin-like growth factor (IGF)-II from 18- and 20-day explanted fetal organs. Fetuses were exposed to ETOH (E) in utero by feeding dams a 36% (calories derived from ETOH: 6.6% v/v) ETOH liquid diet. Control fetuses were offsprings of dams either pair-fed (P) a control liquid diet or ad libitum (A) fed a standard pelleted lab chow. Brain, heart, kidney, liver, lung, muscle, and placenta of fetuses from the same litter were pooled and explanted, and IGF-II concentration in explanted media was analyzed by radioimmunoassay. Maternal and fetal weights were determined during pregnancy and at sacrifice, respectively, to evaluate the influence of ETOH on growth. Both maternal and fetal weights were substantially reduced by ETOH on 18 and 20 days of gestation compared with both A and P controls. At 18 days of gestation, E fetuses (1.33 +/- 0.03 g) weighed less than either A (1.47 +/- 0.03 g) or P (1.54 +/- 0.04 g) fetuses. By 20 days, A mean fetal weight (4.19 +/- 0.23 g) was significantly greater than both P (3.74 +/- 0.06 g) and E (3.28 +/- 0.06 g) fetuses. IGF-II concentration in media from 18-day fetal explants was highest from E (brain, heart, liver, and placenta) and P tissues (kidney, lung, and muscle). IGF-II in media from A tissues (except placenta) was lower than both E and P levels.(ABSTRACT TRUNCATED AT 250 WORDS)
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