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Streptolysin O

CAS No. : 98072-47-0

MCE 站：Streptolysin O

产品活性：Streptolysin O，A组链球菌毒素，是一个氧不稳定原型胆固醇结合细菌外毒素。Streptolysin O 导致细胞裂解和心脏毒性。Streptolysin O 用于细胞膜的可控渗透性。Streptolysin O 以两种形式存在，即还原活性状态和氧化可逆不活动状态。

研究领域：Metabolic Enzyme/Protease

作用靶点：Endogenous Metabolite

In Vitro: Streptolysin O is a labile toxin, and, with time, activity is irreversibly lost. The rate of activity loss is slowed by incubation with 0.1 M 2-mercaptoethanol or 0.01 M ethylenediaminetetraacetic acid (EDTA).
Streptolysin O, belongs to the group of thiol-activated toxins, is a secreted virulence factor of GAS that induces apoptosis in neutrophils and macrophages at later time points (~4 h). Streptolysin O induces eukaryotic cell lysis in a cholesterol-dependent manner, is highly upregulated in the GAS M1T1 clone during bloodstream dissemination. Streptolysin O is known to promote Group A Streptococcus (GAS) resistance to phagocytic clearance by neutrophils, a critical first element of host defense against invasive bacterial infection.

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