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UNLABELLED 3-(6-Methyl-pyridin-2-ylethynyl)-cyclohex-2-enone-O-11C-methyl-oxime (11C-ABP688), a noncompetitive and highly selective antagonist for the metabotropic glutamate receptor subtype 5 (mGluR5), was evaluated for its potential as a PET agent. METHODS Six healthy male volunteers (mean age, 25 y; range, 21-33 y) were studied. Brain perfusion(More)
OBJECTIVES Different patterns of invasion (representing different grades of tumor cell dissociation) are associated with prognostic outcome in cancer. We evaluated the prognostic value of different patterns of invasion (PI) in cervical carcinomas (CX). METHODS Six hundred eleven surgically treated CX (FIGO IB to IIB) were re-evaluated histologically(More)
Normal dogs were submitted to oral glucose loads or to intravenous glucose infusions. Insulin secretion rates (CISR) were calculated considering the resulting peripheral venous concentration differences in short intervals and the experimentally determined half life and apparent distribution space of exogenous insulin. Multiple regression analysis was done(More)
PURPOSE Bone marrow neoangiogenesis plays an important pathogenetic and possible prognostic role in acute myeloid leukemia (AML). Members of the vascular endothelial growth factor (VEGF) and angiopoietin family represent the most specific inducers of angiogenesis secreted by AML blasts. We therefore correlated expression of angiogenic factors with clinical(More)
UNLABELLED (11)C-ABP688 is a new PET ligand to assess the subtype 5 metabotropic glutamate receptor (mGlu(5)). The purpose of this study was to evaluate different methods for the analysis of human (11)C-ABP688 data acquired from 6 healthy, young volunteers. METHODS The methods were a 1-tissue-compartment model (K(1), k(2)''), a 2-tissue-compartment model(More)
Limited information exists about the occurrence and the impact of perineural invasion (PNI) in patients with cervical carcinoma (CX). The original histologic slides from patients primarily treated by radical hysterectomy and systematic pelvic lymphadenectomy were re-examined regarding the occurrence of PNI. PNI was correlated to recurrence free (RFS) and(More)
The optimal route for insulin administration by insulin infusion devices has not been established. To assess the differences between the peripheral venous and portal venous routes of insulin administration on postprandial metabolic responses, six alloxan-diabetic dogs were studied on four occasions. On the first, the insulin infusion rates given by the(More)
UNLABELLED At present in Germany, data on the prevalence of diabetes can only be obtained by modelling health insurance data. The National Diabetes Register of the former (East) German Democratic Republic which, between 1960 and 1990, monitored approximately 98% of all diabetic subjects, provides a tool for evaluating epidemiological estimates from other(More)