HSP90B2P and atherosclerosis: Epidemiological studies further indicate that infection by various types of bacteria, including periodontopathic ones (Chlamydia pneumoniae, Helicobacter pylori, Porphyromonas gingivalis, Prevotella intermedia, and Aggregatibacter actinomycetemcomitans) and the presence of products of these bacteria (LPS, heat shock protein (HSP)) in serum contributed to the development of atherosclerosis [27].