Modulation of actin dynamics by the S.pneumoniae toxin pneumolysin
Preis: | 69.90 EUR* (inkl. MWST zzgl. Versand - Preis kann jetzt höher sein!) |
Versand: | 0.00 EUR Versandkostenfrei innerhalb von Deutschland |
Partner: | buecher.de |
Hersteller: | Südwestdeutscher Verlag Für Hochschulschriften (Hupp, Sabrina) |
Stand: | 2015-08-04 03:50:33 |
Produktbeschreibung
The pneumococcus is one major cause of bacterial meningitis, a wide-spread disease of newborn and immune-compromised individuals, which shows CFRs up to 50% in countries with low medical standards. Bacterial spreading affects the meninges, and the sub-meningeal cortex tissue, whereat the presence of pneumolysin, a major virulence factor of the pneumococcus, is prerequisite for the development of a severe outcome of the infection and associated tissue damage. Pneumolysin belongs to the family of cholesterol-dependent cytolysins, which use membrane-cholesterol as receptor and oligomerize to big aggregates, which induce cell lysis and cell death by disturbance of membrane integrity. This work has revealed a new picture of pneumolysin, whose cell-related properties go beyond pore formation and cell lysis. A direct interaction of the toxin with actin leads to cell-shape remodeling in astrocytes, which potentially disturbes neuronal homeostasis and favors bacterial tissue penetration.
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