News of the WeekOBESITY RESEARCH

New Data on Appetite-Suppressing Peptide Challenge Critics

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Science  26 Nov 2004:
Vol. 306, Issue 5701, pp. 1453-1454
DOI: 10.1126/science.306.5701.1453a

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Summary

In July, more than 40 scientists from 12 labs reported that they could not reproduce the appetite-squelching effects of peptide YY(PYY) reported in 2002. This month, however, another group published data demonstrating that rats given intravenous infusions of PYYate less than controls, in a dose-dependent fashion.

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