Manipulation of host hepatocytes by the malaria parasite for delivery into liver sinusoids.
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Manipulation of host hepatocytes by the malaria parasite for delivery into liver sinusoids. / Sturm, Angelika; Amino, Rogerio; van de Sand, Claudia; Regen, Tommy; Retzlaff, Silke; Rennenberg, Annika; Krueger, Andreas; Pollok, Jörg-Matthias; Menard, Robert; Heussler, Volker T.
In: SCIENCE, Vol. 313, No. 5791, 5791, 2006, p. 1287-1290.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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T1 - Manipulation of host hepatocytes by the malaria parasite for delivery into liver sinusoids.
AU - Sturm, Angelika
AU - Amino, Rogerio
AU - van de Sand, Claudia
AU - Regen, Tommy
AU - Retzlaff, Silke
AU - Rennenberg, Annika
AU - Krueger, Andreas
AU - Pollok, Jörg-Matthias
AU - Menard, Robert
AU - Heussler, Volker T
PY - 2006
Y1 - 2006
N2 - The merozoite stage of the malaria parasite that infects erythrocytes and causes the symptoms of the disease is initially formed inside host hepatocytes. However, the mechanism by which hepatic merozoites reach blood vessels (sinusoids) in the liver and escape the host immune system before invading erythrocytes remains unknown. Here, we show that parasites induce the death and the detachment of their host hepatocytes, followed by the budding of parasite-filled vesicles (merosomes) into the sinusoid lumen. Parasites simultaneously inhibit the exposure of phosphatidylserine on the outer leaflet of host plasma membranes, which act as "eat me" signals to phagocytes. Thus, the hepatocyte-derived merosomes appear to ensure both the migration of parasites into the bloodstream and their protection from host immunity.
AB - The merozoite stage of the malaria parasite that infects erythrocytes and causes the symptoms of the disease is initially formed inside host hepatocytes. However, the mechanism by which hepatic merozoites reach blood vessels (sinusoids) in the liver and escape the host immune system before invading erythrocytes remains unknown. Here, we show that parasites induce the death and the detachment of their host hepatocytes, followed by the budding of parasite-filled vesicles (merosomes) into the sinusoid lumen. Parasites simultaneously inhibit the exposure of phosphatidylserine on the outer leaflet of host plasma membranes, which act as "eat me" signals to phagocytes. Thus, the hepatocyte-derived merosomes appear to ensure both the migration of parasites into the bloodstream and their protection from host immunity.
M3 - SCORING: Zeitschriftenaufsatz
VL - 313
SP - 1287
EP - 1290
JO - SCIENCE
JF - SCIENCE
SN - 0036-8075
IS - 5791
M1 - 5791
ER -