Lipoteichoic Acid Isolated from Staphylococcus aureus Induced THP-1 Cell Apoptosis through an Autocrine Mechanism of Cytokines and SOCS-1-Mediated Bcl2 Inhibition
Abstract:Lipoteichoic acid (LTA) regulates the immune system, including inflammatory responses, through TLR2mediated signaling pathways. LTA isolated from Staphylococcus aureus (aLTA) has been shown to induce apoptosis, but the detailed mechanism has not been identified. We found that aLTA induced apoptosis through an autocrine mechanism in the human monocyte-like cell line, THP-1. We observed that the expression level of the anti-apoptosis protein, Bcl2, was suppressed in LTA-treated THP-1 cells. In addition, the cyto… Show more
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