TLR4 and atherosclerosis: Other pathogens studied inrelation to atherosclerosis are Bacteroidesforsynthus, where the protein A secreted by the bacterium acts through CD14and TLR2 ligations to induce atherosclerosis, whereas in the case of Streptococcus mutans it is the proteinAgI/II that acts through CD14 and TLR4 [37].