HP and Autoimmunity: Fasano Fasano A A Zonulin and its regulation of intestinal barrier function: the biological door to inflammation, autoimmunity, and cancer Zonulin and its regulation of intestinal barrier function: the biological door to inflammation, autoimmunity, and cancer Physiol Rev Physiol Rev 2011 2011 91 91 1 1 151 151 175 175 21248165 21248165