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Enzyme Research

Studies from Montana State University further understanding of enzyme research

Published in Genetics and Environmental Law Weekly, December 22nd, 2007

"Thioredoxin reductases (Txnrd) maintain intracellular redox homeostasis in most organisms. Metazoan Txnrds also participate in signal tramsduction," scientists writing in the journal Free Radical Biology and Medicine report.

"Mouse embryos homozygous for a targeted null mutation of the tynrd1 gene, encoding the cytosolic thioredoxin reductase, were viable at embryonic day 8.5 (E8.5) but not at E9.5. Histology revealed that txnrdl(-/-) cells were capable of proliferation and differentiation,- however, inutant embryos were smaller than wild-type littermates and failed to gastrulate. In situ marker gene analyses indicated that primitive streak mesoderm did not...

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