Abstract
To evaluate arylesterase and lactonase activity of paraoxonase (PON)1 in cord blood of neonates in relation to their birth weight. The authors hypothesized that cord blood PON1 arylesterase and lactonase activities will be compromised in neonates having low birth weight. Eighty neonates born in authors' hospital, irrespective of mode of delivery were included. Forty children with low birth weight were included in case group and 40 with normal birth weight were included as controls. PON1 arylesterase and lactonase activities were measured. Serum arylesterase activity decreased significantly in low birth weight babies (p < 0.05). Linear regression analysis (R = 0.728) indicated significant correlation between arylesterase and birth weight. Serum lactonase activity was also reduced in low birth weight babies. Its linear regression analysis (R = 0.727) indicated significant correlation between lactonase and birth weight. PON 1 activity is significantly reduced among low birth weight babies in comparison to normal weight babies.
Published Version
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