The effect of dietary protein deprivation on protein synthesis in the isolated liver parenchymal cell.
1. Parenchymal cells were isolated from the liver of rats that had been deprived of dietary protein for 3 weeks. 2. The cells were two-thirds the diameter of those derived from livers of normal animals and consumed oxygen at a rate of 16-2 +/- 2-7 mu1/h per 10(6) viable cells, half the normal value. 3. Albumin and transferrin were synthesized at rates of 0-94 +/- 0-12 and 0-60 +/- 0-07 microgram/h per 10(6) viable cells respectively and urea at a rate of 0-77 +/- 0-12 microgram/h per 10(6) cells. This represents a 25-50% decrease in the rates of synthesis measured in cells isolated from normal livers. 4. The results are discussed in relation to the long-term effects of malnutrition on liver cell function.
D000418:Albumins / Q000096:biosynthesis; D000818:Animals; D002478:Cells, Cultured; D004044:Dietary Proteins / Q000008:administration & dosage; D008099:Liver / Q000378:metabolism*; D008297:Male; D010101:Oxygen Consumption; D014176:Protein Biosynthesis; D011488:Protein Deficiency / Q000378:metabolism*; D051381:Rats; D014168:Transferrin / Q000096:biosynthesis; D014508:Urea / Q000096:biosynthesis
D000418:Albumins; D004044:Dietary Proteins; D014168:Transferrin; D014508:Urea