Reference values of serum ribonuclease in children

Abstract

The activity of serum ribonuclease (RNase) is measured in 28 normal children, 12 months to 14 years old, the mean figure was 10,8 ± 1,83 uu. We found 20,4 ± 4,4 uu in cord blood samples and 31,5 ±6,6 uu in 12 newborns with physiological jaundice. The RNase follow-up was also studied from birth until 12 months of age, date in which normal levels are got.