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At least 541 records · Page 30Linked to original sources
PubMed1988

Neutrophil-induced erythrocyte injury: a potential cause of erythrocyte destruction in the anemia associated with inflammatory disease.

Activated neutrophils at effector/target ratios of 1:20 to 1:2,000 induced depletion of red blood cell (RBC)-reduced glutathione, increased membrane-bound hemoglobin and methemoglobin, and promoted immunoglobulin binding to the cell membrane. Superoxide dismutase/catalase ameliorated the decrease in reduced glutathione and the increase in methemoglobin and immunoglobulin binding. This is interpreted as evidence that activated neutrophils can alter the antigenic nature of the RBC membrane through generation of toxic oxygen radicals.

Anemia, Hemolytic↗
PubMed1985

Effect of the presence of hardened erythrocytes on deformation-orientation characteristics of normal erythrocytes in shear flow studied by the spin label method.

The effect of the presence of hardened red blood cells (HRBC) in a mixed suspension on the deformation-orientation characteristics of normal cells in flow is experimentally probed by the electron spin resonance (ESR) spin label method, using a phosphatidylcholine label which does not transfer between the cells. The average deformation-orientation of the normal cells is generally suppressed by the presence of HRBC to different degrees, depending upon the shape and the way the HRBC are prepared. The effects are qualitatively explained by disturbance of laminar shear flow due to the random tumbling of the HRBC.

Blood Flow Velocity↗
PubMed1992

[Reduction of leukocytes and loss of erythrocytes in production of erythrocyte concentrates using the "top and bottom" principle, a comparison between the equipment combinations Biopack-U/Biotrans Separator and Optipac/Optipress].

Using four different centrifugation methods, we compared the combinations of top and bottom bags and blood component separators made by Biotrans and Baxter. Compared with the cell counts of the donated blood, there remained 25% of the leukocytes and 88% of the red blood cells in the red cell preparations following application of the Biotrans system; the respective values for the Baxter system were 20% leukocytes and 85% red cells. The results were not influenced by the centrifugation method used. Thus, febrile nonhemolytic transfusion reactions and immunization against leukocyte antigens can be avoided by neither system.

Blood Component Removal↗