Related Experiment Videos
Accelerated clearance of uninfected red cells from Plasmodium berghei-infected mouse blood in normal mice
The Australian Journal of Experimental Biology and Medical Science
|October 1, 1979
Abstract:
51Cr-labelled uninfected cells, separated from Plasmodium berghei-infected mouse blood using the fluorescence-activated cell sorter, were cleared more rapidly than normal mouse erythrocytes after intravenous injection into normal mice.
Insights
Uninfected mouse red blood cells, separated from malaria-infected blood, were cleared faster in normal mice. This suggests malaria infection alters red blood cell clearance mechanisms.
Area of Science:
- Immunology
- Parasitology
- Hematology
Background:
- Red blood cells (erythrocytes) are crucial for oxygen transport.
- Malaria, caused by Plasmodium parasites, infects erythrocytes.
- Understanding erythrocyte clearance is vital for malaria pathogenesis.
Purpose of the Study:
- To investigate the in vivo fate of uninfected erythrocytes from Plasmodium berghei-infected mice.
- To compare the clearance rate of these cells with normal erythrocytes.
Main Methods:
- Separation of 51Cr-labelled uninfected erythrocytes from Plasmodium berghei-infected mouse blood using fluorescence-activated cell sorting (FACS).
- Intravenous injection of labelled cells into normal recipient mice.
- Monitoring of cell clearance over time.
Main Results:
- 51Cr-labelled uninfected erythrocytes from infected mice exhibited a significantly more rapid clearance rate compared to normal mouse erythrocytes.
- This indicates altered recognition or removal of these cells by the host immune system.
Conclusions:
- Plasmodium berghei infection in mice alters the properties of even uninfected erythrocytes, leading to their accelerated clearance.
- This finding may have implications for understanding anemia in malaria and erythrocyte homeostasis during infection.