Water intake accelerates ATP release from myofibroblast cells in rats: ATP-mediated podoplanin-dependent control for physiological function and immunity

Author:

Hayashi Moyuru12,Watanabe-Asaka Tomomi12,Nagashio Sachiho1,Kaidoh Maki1,Yokoyama Yumiko1,Maejima Daisuke1,Kajihara Ryo13,Amari Kei13,Arai Nariaki14,Kawai Yoshiko12,Ohhashi Toshio1ORCID

Affiliation:

1. Department of Innovation of Medical and Health Sciences Research, Shinshu University School of Medicine, Matsumoto, Japan

2. Division of Physiology, Tohoku Medical and Pharmaceutical University, Sendai, Japan

3. Department of Dentistry and Oral Surgery, Shinshu University School of Medicine, Matsumoto, Japan

4. Department of Anesthesiology and Resuscitology, Shinshu University School of Medicine, Matsumoto, Japan

Abstract

We investigated effects of shear stress stimulation on cultured myofibroblast cells and water intake on podoplanin and IL-22 expressions in rat jejunal villi. The stimulation induced ATP release from the cells. Water intake accelerated podoplanin and IL-22 expression levels. ATP increased IL-22 mRNA expression in innate lymphoid cells (ILC)-3. Hence, water intake maintains higher osmotic pressure in the jejunal villi through ATP release and podoplanin upregulation. Water intake may regulate the mucosal immunity.

Publisher

American Physiological Society

Subject

Physiology (medical),Gastroenterology,Hepatology,Physiology

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