期刊
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
卷 436, 期 2, 页码 278-282出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bbrc.2013.05.093
关键词
Diabetes; Costus igneus; Oral hypoglycemic; Antidiabetic plant; Insulin like protein
资金
- DBT BioCARe program
- Agharkar Research Institute
Plants have been used for the treatment of diabetes since time immemorial. In the present study, insulin-like protein (ILP) is purified from Costus igneus belonging to family Costaceae from Western ghats of India. The ILP showed cross reactivity with murine anti-insulin antibodies hence was purified by affinity chromatography using anti-insulin antibodies. The characterization of ILP showed that it is structurally different from insulin but functionally similar. The ILP showed a hypoglycemic activity in an in vitro assay with insulin responsive cell line RIN 5f Interestingly ILP showed significant decrease in blood glucose level when administered orally in oral glucose tolerance test. This was compared to insulin a positive control given intraperitoneally in streptozotocine induced diabetic mice. There was no toxic effect seen on animals after administrating the ILP. Therefore we conclude that the ILP purified in the present study from C. igneus is a novel protein having hypoglycemic activity. (C) 2013 Elsevier Inc. All rights reserved.
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