Role of TLR9 in Atherosclerosis? Therapeutic ODN in heart disease?
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Atherosclerosis is the underlying pathology of diseases, such as coronary artery disease, resulting in major overall mortality and morbidity. It is a chronic inflammatory disease of the arterial wall, in which the innate immune system has a pivotal contribution. Toll-like receptor-9 (TLR9) is a major intracellular innate immune receptor that has attracted major interest and is currently clinically tested as a therapeutic target of inflammatory diseases. Using apolipoprotein E-deficient mice fed with high-fat diet during periods of 8 to 20 weeks as a model of atherosclerosis, we used a genetic (TLR9 deletion) and a pharmacological approach (TLR9 agonist) to demonstrate a protective role of TLR9 in atherosclerosis. We describe the modulation of cell numbers and inflammatory phenotype of CD4+ T cells as a potential mechanism. Moreover, we have identified a novel and attractive therapeutic approach to attenuate progression of atherosclerotic disease based on the use of TLR9-activating CpG oligodeoxynucleotides.
Author Yung-Chih Chen
Product type Paperback
Dimension 8.66 x 5.91 inches