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Effects of dietary level of protein on liver microsomal drug-metabolizing enzyme system, lipids and urinary ascorbic acid metabolism were studied in the rats fed 0.1% polychlorinated biphenyl (PCB) containing diets. In the rats not receiving PCB, the activity of the enzyme system increased as the protein level was increased up to around 35%. In a short-term(More)
  • T Tani
  • 1981
Using spiral strips of male rabbit thoracic aortae, we examined the effect of formaldehyde (HCHO) on vascular smooth muscle. HCHO (6.6 X 10(-4)M) did not inhibit the tonic contraction induced by 25 mM K+, while inhibition was apparent with a pretreatment of HCHO in the same dose. HCHO markedly inhibited Ca2+-induced contraction in the preparation(More)
Glucagon-like peptide-1 (GLP-1) is an incretin hormone secreted from enteroendocrine L-cells. Although several nutrients induce GLP-1 secretion, there is little evidence to suggest that non-nutritive compounds directly increase GLP-1 secretion. Here, we hypothesized that anthocyanins induce GLP-1 secretion and thereby significantly contribute to the(More)
Exposure of rat to polychlorinated biphenyls (PCB) results in an increase in activity of liver microsomal mixed function oxidase system, plasma cholesterol and urinary ascorbic acid. Experiments were designed to study the effect of dietary quality of protein on these metabolic responses to dietary addition of PCB. The diets contained either whole egg(More)
SCOPE Glucagon-like peptide-1 (GLP-1) is a type of incretin secreted from enteroendocrine L-cells. Our previous studies demonstrated that curcumin (a yellow pigment of turmeric) significantly increases the secretion of GLP-1 in enteroendocrine L cell line (GLUTag cells). However, it is not clear whether its action in vivo directly enhances GLP-1 secretion,(More)