Akira Niijima

Summary

Country: Japan

Publications

  1. pmc Effects of intragastric infusion of inosine monophosphate and L: -glutamate on vagal gastric afferent activity and subsequent autonomic reflexes
    Akihiko Kitamura
    Physiology and Nutrition Group, Institute of Life Sciences, Ajinomoto Co, Inc, 1 1 Suzuki cho, Kawasaki ku, Kawasaki, 210 8681, Japan
    J Physiol Sci 61:65-71. 2011
  2. doi request reprint Existence of NO-triggered vagal afferent activation in the rat gastric mucosa
    Hisayuki Uneyama
    Physiology and Nutrition Group, Institute of Life Sciences, Ajinomoto Co, Inc Kawasaki 210 8681, Japan
    Life Sci 85:782-7. 2009
  3. ncbi request reprint Role played by afferent signals from olfactory, gustatory and gastrointestinal sensors in regulation of autonomic nerve activity
    Akihiko Kitamura
    Physiology and Nutrition Group, Institute of Life Sciences, Ajinomoto Co, Inc
    Biol Pharm Bull 33:1778-82. 2010
  4. doi request reprint Dietary free glutamate prevents diarrhoea during intra-gastric tube feeding in a rat model
    Shinji Somekawa
    Institute for Innovation, Ajinomoto Company, Inc, 210 8681 Kanagawa, Japan
    Br J Nutr 107:20-3. 2012
  5. ncbi request reprint Luminal amino acid sensing in the rat gastric mucosa
    Hisayuki Uneyama
    Physiology and Nutrition Group, Institute of Life Sciences, Ajinomoto Co, Inc, 1 1 Suzuki cho, Kawasaki ku, Kawasaki 210 8681, Japan
    Am J Physiol Gastrointest Liver Physiol 291:G1163-70. 2006
  6. ncbi request reprint Receptor subtype specific activation of the rat gastric vagal afferent fibers to serotonin
    Hisayuki Uneyama
    Institute of Life Sciences, Ajinomoto Co, Inc, Suzuki cho, Kawasaki ku, 210 8680, Kawasaki, Japan
    Life Sci 72:415-23. 2002

Detail Information

Publications6

  1. pmc Effects of intragastric infusion of inosine monophosphate and L: -glutamate on vagal gastric afferent activity and subsequent autonomic reflexes
    Akihiko Kitamura
    Physiology and Nutrition Group, Institute of Life Sciences, Ajinomoto Co, Inc, 1 1 Suzuki cho, Kawasaki ku, Kawasaki, 210 8681, Japan
    J Physiol Sci 61:65-71. 2011
    ..These results suggest that umami substances in the stomach send information through the VGA to the brain and play a role in the reflex regulation of visceral functions...
  2. doi request reprint Existence of NO-triggered vagal afferent activation in the rat gastric mucosa
    Hisayuki Uneyama
    Physiology and Nutrition Group, Institute of Life Sciences, Ajinomoto Co, Inc Kawasaki 210 8681, Japan
    Life Sci 85:782-7. 2009
    ..In this study, we investigated the functional coupling of NO and vagal nerve endings in the gastric mucosa...
  3. ncbi request reprint Role played by afferent signals from olfactory, gustatory and gastrointestinal sensors in regulation of autonomic nerve activity
    Akihiko Kitamura
    Physiology and Nutrition Group, Institute of Life Sciences, Ajinomoto Co, Inc
    Biol Pharm Bull 33:1778-82. 2010
    ..In this paper, we review recent evidence on the regulation of GI functions by the autonomic nervous system via peripheral odor and nutrient sensors...
  4. doi request reprint Dietary free glutamate prevents diarrhoea during intra-gastric tube feeding in a rat model
    Shinji Somekawa
    Institute for Innovation, Ajinomoto Company, Inc, 210 8681 Kanagawa, Japan
    Br J Nutr 107:20-3. 2012
    ..In conclusion, supplementation of an enteral liquid diet with free l-Glu may ameliorate diarrhoea during intra-gastric tube feeding by sending visceral glutamate information from the stomach to the brain...
  5. ncbi request reprint Luminal amino acid sensing in the rat gastric mucosa
    Hisayuki Uneyama
    Physiology and Nutrition Group, Institute of Life Sciences, Ajinomoto Co, Inc, 1 1 Suzuki cho, Kawasaki ku, Kawasaki 210 8681, Japan
    Am J Physiol Gastrointest Liver Physiol 291:G1163-70. 2006
    ..Assuming there is a universal coexistence of free glutamate with dietary protein, a glutamate-sensing system in the stomach could contribute to the gastric phase of protein digestion...
  6. ncbi request reprint Receptor subtype specific activation of the rat gastric vagal afferent fibers to serotonin
    Hisayuki Uneyama
    Institute of Life Sciences, Ajinomoto Co, Inc, Suzuki cho, Kawasaki ku, 210 8680, Kawasaki, Japan
    Life Sci 72:415-23. 2002
    ..These results indicate that the 5-HT transmission signal in the gastric mucosa inputs to the brain stem via 5-HT3 receptor-mediated vagal nerve afferent...