Summary of the study (IMAGE) Tokyo Medical and Dental University Caption Anti-Porphyromonas gingivalis antibody titers positively correlated with intramuscular adipose tissue content in metabolic syndrome patients. Administration of P. gingivalis impaired glucose tolerance and insulin resistance, altered the gut microbiome. Skeletal muscle of recipients of P. gingivalis exhibited fat infiltration and lower glucose uptake with higher inflammatory mediators and lower insulin signaling. Credit Department of Periodontology,TMDU Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.