Effects of Goat Anti-Rat Placenta IgG on the in vitro Uptake of 125 I-Labeled Human Serum Albumin by the Rat Visceral Yolk Sac

Preincubation of rat visceral yolk sac with goat anti-rat placenta IgG and following incubation with 125I-HSA resulted in a reduction of the uptake of albumin by 30–50 % in comparison with the controls. Inhibitors of respiration or glycolysis impair the ingestion of protein, likewise the reduction of the incubation temperature.