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Depression: 21st Century Solutions + The Dark Side of Wheat

Abstract Title:

Suppressive activity of protease inhibitors from buckwheat seeds against human T-acute lymphoblastic leukemia cell lines.

Abstract Source:

Appl Biochem Biotechnol. 2004 May;117(2):65-74. PMID: 15159551

Abstract Author(s):

Sung-Soo Park, Hideki Ohba

Abstract:

The buckwheat protease inhibitor designated BWI-1, a member of the potato inhibitor I family, inhibits trypsin, chymotrypsin, and subtilisin, whereas the buckwheat protease inhibitor designated BWI-2a, a novel protease inhibitor homologous to the vicilin family, inhibits only trypsin. We examined the suppressive activity of BWI-1 and BWI-2a against T-acute lymphoblastic leukemia (T-ALL) cells, such as JURKAT and CCRF-CEM, and human normal blood lymphocytes. Both inhibitors significantly suppressed the growth of T-ALL cells as judged by the soluble 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (tetrazolium/formazan assay). JURKAT cells showed slightly higher susceptibility to buckwheat inhibitors than CCRF-CEM cells. Modification of Arg residue(s) in inhibitors by 1,2-cyclohexandione inactivated their trypsin inhibitory activity, considerably abolishing their suppressive activity. This suggests that the trypsin inhibitory activity is involved in the suppression of growth of human T-ALL cell lines. It was further found that both inhibitors triggered programmed cell death (apoptosis) of these cell strains with DNA fragmentation.

Study Type : In Vitro Study

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Sayer Ji
Founder of GreenMedInfo.com

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Depression: 21st Century Solutions + The Dark Side of Wheat

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