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Is Their Quantity of No Relevance? To the Editor: Similarity of results is the most appropriate criterion to assess agreement between methods and clinical measurements.1 Reference intervals of a biochemical parameter are of particular importance for the definition of pathological conditions and the judgment of therapy success by pharmacological, nutritional, or physical measures. In this contex...

3,5-dihydroxyphenylglycine (3,5-DHPG) was the first agonist shown to be group I metabotropic glutamate receptor selective with its agonist effects residing exclusively in the S-isomer. Some results suggest that (S)-3,5-DHPG may be a partial agonist of mGluR1a and mGluR5a in neurons and astrocytes. It has been reported that (S)-3,5-DHPG can, under certain conditions, interact with NMDA receptors...

Barrett’s esophagus (BE) is one of the most fascinating, challenging conditions in Gastroenterology. Its association with esophageal adenocarcinoma (ADC), explosive growth in Europe and the United States since 1980, and potential for easy diagnosis of preneoplastic lesions for follow-up and monitoring make it an appealing disease for both clinicians and researchers. The condition was named afte...

We present a review of measurements of α S. The individual measurements are discussed and intermediate averages for classes of related measurements are found. The final average is built using the intermediate values. Correlations are treated consistently. The ICHEP 2006 world average is α S (m Z 0) = 0.1175 ± 0.0011 dominated by the recent result from lattice QCD.