Enteral glutamine and/or arginine supplementation have favorable effects on oxidative stress parameters in neonatal rat intestine.

Abstract:

OBJECTIVE:To investigate and compare the effects of enteral glutamine and arginine supply on lipid peroxidation and antioxidant enzyme levels in the small intestine of healthy breast-fed rats. MATERIALS AND METHODS:The study comprised 40 newborn Sprague-Dawley rats born to 5 mother rats. Newborn rats were randomly divided into 4 groups. Starting from day 1 until day 21, group I received only breast milk; group II received breast milk and 200 mg/kg/day oral glutamine; group III received breast milk and 200 mg/kg/day oral arginine; and group IV received breast milk, 200 mg/kg/day glutamine, and 200 mg/kg/day arginine. Malondialdehyde levels and glutathione peroxidase (GPx) and superoxide dismutase activities were measured. RESULTS:The lowest malondialdehyde levels were found in group II (P = 0.0001). Superoxide dismutase activity was found to be significantly higher in group II than group I (P < 0.001). Of the 4 groups, GPx activity was highest in group IV. GPx activity in group II was significantly higher than in group I (P = 0.001) or group III (P = 0.001). GPx activity was higher in group IV than in group I (P = 0.001) or group III (P = 0.001). CONCLUSIONS:Enteral glutamine alone or in the presence of arginine has favorable effects on oxidative stress not only in experimental models of hypoxia-reoxygenation, but also in healthy newborn rats. This suggests that in premature neonates with insufficient oxidative resistance, glutamine and arginine supplementation may help prevent necrotizing enterocolitis.

authors

Kul M,Vurucu S,Demirkaya E,Tunc T,Aydinoz S,Meral C,Kesik V,Alpay F

doi

10.1097/MPG.0b013e318198cd36

subject

Has Abstract

pub_date

2009-07-01 00:00:00

pages

85-9

issue

1

eissn

0277-2116

issn

1536-4801

journal_volume

49

pub_type

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