by the time they reached a plateau stage of growth , hamsters fed the vitamin a-free diet showed a 50 % reduction in the amount of [ 2-3h ] mannose converted to gdp-mannose , and the radioactivity associated with dol-p-man and glycopeptides was reduced by approximately 60 % as compared to retinoic acid-supplemented controls .
C0042839
vitamin a
C0040845
retinoic acid