Keitaro Inomata

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The aim was to estimate the significance of oral sensation and mastication in inducing amylase secretion from the parotid gland and subsequent starch digestion in the stomach. Rats were fed three diets of similar chemical composition but different physical presentations. Two were solid, either pellets or powder, and one was liquid. Oral sensory activity(More)
In order for the role of parotid amylase in starch digestion in the gastro-intestinal tracts of diabetic rats to be clarified, this study investigated the effect of parotid-duct ligation on both amylase secretion from the parotid glands and pancreas into the gastro-intestinal tract and on starch digestion in the gastro-intestinal contents during feedings.(More)
The vesicles of Porphyromonas gingivalis ATCC 33277 strongly aggregated Streptococcus cricetus, S. rattus, and S. mutans, but poorly aggregated S. sobrinus. The adherence of S. mutans OMZ 70 to hydroxyapatite (HA) coated with whole saliva was increased in parallel with the quantity of the vesicles. The significant increase of adherence of S. mutans OMZ 70(More)
Parotid and pancreatic amylase secretion into the gastrointestinal tract during feeding was investigated in diabetic rats. In control rats, both parotid and pancreatic amylase activity decreased after feeding, while the amylase activity present in the gastric and small intestinal contents increased. In diabetic rats, parotid amylase activity, although(More)
Coaggregation occurred between Porphyromonas gingivalis and mutans streptococci. The coaggregation was completely inhibited by L-arginine, N alpha-p-tosyl-L-lysine chloromethyl ketone (TLCK), and a trypsin inhibitor, and weakly inhibited by L-lysine, N-ethylmaleimide, lysozyme, and human whole saliva. The results of heat and proteinase K treatment suggested(More)
The effect of capsaicin, combined with delayed surgical procedures, was studied in adult rats. After denervation of the experimental subjects' cutaneous nerves with capsaicin, the time required for the flaps to become completely necrotic was prolonged; when accompanied by delayed flap raising for a period of up to eight weeks, the flap survival rate was(More)