Abstract Title:

Vitamin A deficiency: An oxidative stress marker in sodium fluoride (NaF) induced oxidative damage in developing rat brain.

Abstract Source:

Int J Dev Neurosci. 2015 Sep 18. Epub 2015 Sep 18. PMID: 26390955

Abstract Author(s):

Rajkiran Reddy Reddy Banala, Karnati Pratap Reddy

Article Affiliation:

Rajkiran Reddy Reddy Banala


Fluoride induced oxidative stress through depletion in levels of various anti-oxidants such as glutathione, superoxide dismutase (SOD), fat soluble vitamins (D and E) with increased levels of lipid peroxidation (LPO) and fluoride aggravate the damage in rodents as well as in humans. Vitamins A, a fat soluble vitamin possess antioxidant property which plays a significant role in scavenging the free radicals species similar to vitamin D and E. Vitamin A is involved in neural tissue development and plasticity. The growing evidence about vitamin A being antioxidant in different biological reactions formed the basis to determine the effect of fluoride on its levels. The present study was conducted in Wistar rat pups. The pregnant wistar rats were dosed with 20ppm sodium fluoride (NaF) from day one of pregnancy till the pups were aged day30. The serum was collected from developing rat pups on regular intervals (14th, 21st, 30th day) and vitamin A levels were analyzed by High performance liquid chromatography (HPLC). Body weights, Behavioural studies and spectrophotometric estimation of SOD, LPO in brain lysates were also performed. The results showed significant decrease (p<0.001) in vitamin A in fluoride induced samples in comparison to the control samples suggesting that decreased levels of vitamin A can be used as another marker in fluoride induced toxicity studies.

Study Type : Animal Study

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