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  • A Gut Microbial Mimic that Hijacks Diabetogenic Autoreactivity to Suppress Colitis.

A Gut Microbial Mimic that Hijacks Diabetogenic Autoreactivity to Suppress Colitis.

Cell (2017-10-21)
Roopa Hebbandi Nanjundappa, Francesca Ronchi, Jinguo Wang, Xavier Clemente-Casares, Jun Yamanouchi, Channakeshava Sokke Umeshappa, Yang Yang, Jesús Blanco, Helena Bassolas-Molina, Azucena Salas, Hamza Khan, Robyn M Slattery, Madeleine Wyss, Catherine Mooser, Andrew J Macpherson, Laura K Sycuro, Pau Serra, Derek M McKay, Kathy D McCoy, Pere Santamaria
ABSTRACT

The gut microbiota contributes to the development of normal immunity but, when dysregulated, can promote autoimmunity through various non-antigen-specific effects on pathogenic and regulatory lymphocytes. Here, we show that an integrase expressed by several species of the gut microbial genus Bacteroides encodes a low-avidity mimotope of the pancreatic β cell autoantigen islet-specific glucose-6-phosphatase-catalytic-subunit-related protein (IGRP

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Lipopolysaccharides from Escherichia coli O111:B4, γ-irradiated, BioXtra, suitable for cell culture
Sigma-Aldrich
Histopaque®-1077, sterile-filtered, density: 1.077 g/mL
Sigma-Aldrich
Pyrvinium pamoate salt hydrate, ≥98% (HPLC)
Sigma-Aldrich
Human Serum, from human male AB plasma, USA origin, sterile-filtered