Microbioma para el Bienestar Humano

Ryuta Amamoto

Ryuta Amamoto, MSc, is an Assistant Senior Researcher in the Food Research Department of Yakult Central Institute, Japan.

 Your main expertise

Human intestinal microbiota, epidemiology

 Research activities

Ryuta Amamoto has focused on the relationship between the consumption of fermented milk products and human health in epidemiological studies. His studies revealed that the relative risks of hypertension and constipation were lower in the subjects taking fermented milk products containing Lactobacillus casei strain Shirota.

In addition, he has researched the relationship between human intestinal mictrobiota and health or life-style in healthy Japanese. His research revealed the association of life-style, such as smoking, alcohol drinking and exercise, with intestinal microbiota, stool frequency and stool consistency.

Kazunori Suda

Kazunori Suda, MSc, is an Associate Senior Researcher in the Food Research Department of Yakult Central Institute, Japan. His main research interests are related to the interaction between microbiome and neuroendocrine systems. To date, his research has focused on the effect of probiotics on brain functions through the microbiome-gut-brain pathway.

Your main expertise

Brain-gut-microbiome axis, neurogastroenterology

 Research activities

He joined a project to study the interaction of probiotics and intestinal epithelial cells and elucidated the differential effects of Lactobacillus and Bifidobacterium on intestinal gene expression. In the research on gut microbiome under stress, he revealed the involvement of parasympathetic pelvic efferent pathway in psychological stress-induced defecation. Currently, he has been focused on the relationship between gut microbiome/probiotics and the neuroendocrine system. His group found that Lactobacillus casei strain Shirota has a beneficial effects on brain functions via brain-gut-microbiome axis.