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Title: Biological activity of sea anemone proteins: I. Toxicity and histopathology
Authors: Ravindran, Vinoth S
Kannan, L
Venkateshvaran, K
Keywords: Mammalian toxicity
Sea anemone protein
Issue Date: Dec-2010
Publisher: NISCAIR-CSIR, India
Abstract: The crude as well as partially purified protein fractions from anemone species viz. Heteractis magnifica, Stichodactyla haddoni and Paracodylactis sinensis, collected from the Gulf of Mannar, south east coast of India were found to be toxic at different levels to mice. The mice showed behavioral changes such as loss of balance, opaque eyes, tonic convulsions, paralysis, micturiction, flexing of muscles, prodding (insensitive to stimulii), foaming from mouth and exophthalmia. The toxic proteins upon envenomation produced several chronic and lethal histopathological changes like formation of pycnotic nuclii and glial nodules in the brain; heamolysis, thrombosis and myocardial haemorrhage in the heart; granulomatous lesions, and damage to the hepatic cells in the liver and haemorrhage throughout the kidney parenchyma and shrinkage of glomerular tufts in the kidney. The toxins proved to be neurotoxic, cardiotoxic, nephrotoxic and hepatotoxic by their action on internal organ systems. The toxins were also thermostable till 60oC and had considerable shelf life.
Page(s): 1225-1232
CC License:  CC Attribution-Noncommercial-No Derivative Works 2.5 India
ISSN: 0975-1009 (Online); 0019-5189 (Print)
Source:IJEB Vol.48(12) [December 2010]

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