Kazuo Uede

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We studied whether interference of the electron bindings between kanamycin (KM) and the outer plasma membranes of the hair cells with polyanion such as heparin can reduce ototoxicity. In a short course experiment, KM 200 mg/kg/day was injected intramuscularly 23 times with or without 1 U or 0.5 U of heparin/g/day differently to 22 guinea pigs. The reducing(More)
The first step by which a basic aminoglycoside (AG) causes ototoxicity is thought to be electron binding to such acidic substances as phosphatidylinositol diphosphate and acidic glycosaminoglycans (AGAGs). We studied the competitive binding ability of AGs and basic dyes to AGAG in order to determine if this meachanism was indeed responsible for ototoxicity.(More)
One of the important substances in the ground substance is acidic glycosaminoglycans (AGAGs). Changes of AGAGs in the inner ear and in other organs were investigated using alloxan diabetic mice in order to contribute to the understanding of diabetic hearing impairment. In the diabetic group, gradual increases of AGAGs were observed in each tissue. On the(More)
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