Satoshi Hayakawa

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Recent studies have suggested that Fas-mediated apoptosis is involved in the pathogenesis of intestinal injury. In this study, we determined the role of Fas/Fas ligand (FasL) interactions in different T cell compartments using a murine model of small intestinal injury. An intraperitoneal injection of 145-2C11 (anti-CD3) antibody into C3H/HeN, BALB/c and MRL(More)
We previously reported substance P (SP) via neurokinin type 1 receptor facilitates bladder afferent signaling and reactive oxygen species (ROS) formation in bladder connected with neurogenic inflammation [Am. J. Physiol. Renal Physiol. 284 (2003) F840]. Increased intercellular adhesion molecule expression and subsequent leukocyte adhesion in the inflamed(More)
Substance P (SP) via neurokinin type 1 receptor activates leukocytes to produce burst release of reactive oxygen species (ROS) and increases leukocytes adhesion to the vessels in the inflamed bladder. Activation of neutrophil nicotinamide adenine dinucleotide phosphate (NADPH) oxidase activity may contribute to the neutrophil ROS production. We explored the(More)
We present a case of malignant fibrous histiocytoma accompanied by prolonged spiking fevers, which disappeared after tumor resection. Sarcoma with fever as a primary symptom is rare. Furthermore, in this case, fever was closely related to the clinical course of the tumor. In order to detect possible production of febriferous substance(s), we used blood and(More)
To determine the effect of age on the modification of brain lipids and functions by fish oil and lard diets, the polyunsaturated fatty acids, phospholipid states and enzyme activities of intracellular organelles in young and aged rats fed these diets were analyzed. The concentration of arachidonic acid (20:4) and docosahexaenoic acid (22:6) tended to(More)
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