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Insulin sensitivity regulated by feeding in the conscious unrestrained rat
(2002-01-31)
Hepatic insulin sensitizing substance (HISS), a putative hormone released from the liver in response to insulin in fed animals, accounts for 50-60% of insulin action. HISS release is regulated by permissive control of the ...
Nitric oxide inhibits norepinephrine-induced hepatic vascular responses but potentiates hepatic glucose output
(2000-01-31)
We previously reported that sympathetic nerve-induced vasoconstriction in the intestine resulted in shear stress induced release of nitric oxide (NO) that led to presynaptic inhibition of transmitter release. In contrast, ...
Comparison of the rapid insulin sensitivity test (RIST), the insulin tolerance test (ITT), and the hyperinsulinemic euglycemic clamp (HIEC) to measure insulin action in rats
(2002-08-31)
The objective was to compare the ability of the rapid insulin sensitivity test (RIST), the hyperinsulinemic euglycemic clamp (HIEC), and the insulin tolerance test (ITT) to detect hepatic insulin sensitizing substance ...
Physiologic variation in Mycosphaerella graminicola from western Canada
(2005-03-31)
Mycosphaerella graminicola (anamorph: Septoria tritici), the causal agent of septoria leaf blotch of wheat, has increased in prevalence in the prairie region of Canada in recent years. It is important to know if variation ...
Glucose disposal by insulin, but not IGF-1, is dependent on the hepatic parasympathetic nerves
(2000-10-31)
Insulin-like growth factor-1 (IGF-1) has many insulin-like activities, including stimulation of glucose uptake in skeletal muscle. However, those with diabetes or chronic liver disease are insulin resistant but show a ...
HasF, a TolC-homolog of Serratia marcescens, is involved in energy-dependent efflux
(2005-06-30)
A tolC-like gene (hasF) was identified upon scanning the incomplete database of the S. marcescens genome. This gene was amplified using PCR and cloned in the pUC18 vector to yield pUCHF. Sequencing of the S. marcescens ...
Differential pathogenicity on potato and tomato of Phytophthora infestans US-8 and US-11 strains isolated from potato and tomato
(2003-06-30)
Thirty-two isolates of Phytophthora infestans from potato and tomato tissues (US-11 strain, 8 isolates from potato and 6 from tomato; US-8 strain, 11 from potato and 7 from tomato), collected in Canada in 1997 and 1998 ...
Changes in race structure of Gpi 100 : 111 : 122 and Gpi 100 : 100 : 111 populations of Phytophthora infestans in Canada during 1997-1999
(2004-12-31)
Phytophthora infestans causes late blight on both potato and tomato. In recent years, monitoring this pathogen became imperative because of its increasing aggressiveness and resistance to fungicides. Concurrent to these ...