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Diesel exhaust particles (DEPs) are particulate matter from diesel exhaust that contain many toxic compounds, such as polyaromatic hydrocarbons (PAHs). Some toxicities of PAH are thought to be expressed via aryl hydrocarbon receptors (AhRs). The male reproductive toxicity of DEPs might depend on AhR activation induced by PAHs. We hypothesized that AhR(More)
Casomokinin L (Tyr-Pro-Phe-Pro-Pro-Leu), a derivative of beta-casomorphin and casoxin D, showed endothelium-dependent vasorelaxing activity on the canine mesenteric artery (EC50 = 7 x 10(-8) M). This relaxing activity was partly blocked by 10(-5) M NAME (nitric oxide synthase inhibitor), and the inhibition by NAME was restored by addition of 10(-4) M(More)
Numerous variants of the Rh blood group system, discovered by Levine and Stetson in 1939, have been detected and more than forty antigens have been identified. By performing the molecular genetic analysis of the introns as well as the exons in both RH genes, it was elucidated that Rh variants were generated by gene conversion or recombination, deletions, or(More)
AIM We investigated the relationship between plasma insulin-like growth factor I (IGF-I), leptin, active ghrelin levels, and postnatal growth in very low birth weight (VLBW) infants. METHOD Plasma IGF-I, leptin, and active ghrelin levels were measured at birth and at 2, 4, 6 and 8 weeks after birth in 61 VLBW infants, including 31(More)
In an experiment in which rats were allowed free access to food and water, the rats did not eat the diet containing a mushroom Pleurotus ostreatus even if they were emaciated. A P. ostreatus lectin (POL) was isolated from the mushroom as the food intake-suppression principle. In hemagglutination inhibition assays, Me-alphaGalNAc was the most potent(More)
To evaluate the hepatoprotective activity of spices, 21 different spices were fed to rats with liver damage caused by lipopolysaccharide (LPS) plus d-galactosamine (D-GalN). As assessed by plasma aminotranferase activities, nutmeg showed the most potent hepatoprotective activity. Bioassay-guided isolation of the active compound from nutmeg was carried out(More)
This study investigated the relationship between plasma levels of ghrelin and postnatal growth in preterm infants. The levels of active ghrelin in cord blood and in plasma in 25 very low birthweight (VLBW) infants were measured. The results indicate that the levels of circulating active ghrelin markedly increases after birth in VLBW infants, and suggest(More)
Feed containing beta-carotene was administered orally to BALB/c mice immunized intraperitoneally with ovalbumin (OVA) for approximately 1 month. The titers of OVA-specific IgE, OVA-specific IgG1 and OVA-specific IgG2a in the mouse sera were determined. The OVA-specific IgE titer and OVA-specific IgG1 titer by mice fed beta-carotene were significantly(More)
The effect of dietary red bell pepper (Capsicum annuum L.) on learning performance was studied in the senescence-accelerated mouse (SAM). An experimental diet, which contained 20% (w/w) lyophilized powder of red bell pepper, was fed to SAMP8 mice. The mice that received the experimental diet showed much better acquisition in passive avoidance tasks as(More)