Modelling cortical cataractogenesis VIII: effects of butylated hydroxytoluene (BHT) in reducing protein leakage from lenses in diabetic rats.
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| Abstract |
Normal and streptozotocin diabetic female Wistar rats were given butylated hydroxytoluene at 0-, 0.067- or 0.50% w/w in the diet. At the end of 10 weeks, the animals were examined for weight gain or loss, general body condition, and cataracts. After death, blood was collected for measurement of serum glucose. gamma-Crystallin was determined in aqueous and vitreous humours using a radioimmunoassay. One lens from each rat was homogenized in 8 M guanidinium chloride for adenosine triphosphate analysis. In normal rats, there is a small amount of gamma-crystallin found in the vitreous humour, and an even smaller amount in the aqueous humour. Diabetes caused a 2.5-fold increase of gamma-crystallin in the aqueous humour and a five-fold increase in the vitreous humour. Diabetes also led to a significant worsening in general body condition, loss of body weight, decrease in lens adenosine triphosphate levels, and formation of cataracts. Addition of butylated hydroxytoluene (BHT) to the diet resulted in improved general body condition, reduction in cataracts, decrease of gamma-crystallin leakage into the vitreous humour, and weight gain. There was no effect of dietary butylated hydroxytoluene on levels of lens adenosine triphosphate. Neither the diabetic state nor treatment with butylated hydroxytoluene affected the weight of the lenses.
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| Authors | H A Linklater, T Dzialoszynski, H L McLeod, S E Sanford, J R Trevithick |
| Journal | Experimental eye research (Exp Eye Res) Vol. 43 Issue 3 Pg. 305-14 (Sep 1986) ISSN: 0014-4835 [Print] England |
| PMID | 3780876 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't, Research Support, U.S. Gov't, Non-P.H.S.) |
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