Storage lesion: role of red blood cell breakdown.
Storage lesion: role of red blood cell breakdown.
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DOI:
10.1111/j.1537-2995.2011.03100.x
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发表时间:
2011-04
期刊:
影响因子:
2.9
通讯作者:
Gladwin MT
中科院分区:
文献类型:
--
作者:
Kim-Shapiro DB;Lee J;Gladwin MT
As stored blood ages intraerythrocytic energy sources are depleted resulting in reduced structural integrity of the membrane. Thus, stored red cells become less deformable and more fragile as they age. This fragility leads to release of cell-free hemoglobin and formation of microparticles, sub-micron hemoglobin-containing vesicles. Upon transfusion, it is likely that additional hemolysis and microparticle formation occurs due to breakdown of fragile red blood cells. Release of cell-free hemoglobin and microparticles leads to increased consumption of nitric oxide (NO), an important signaling molecule that modulates blood flow, and may promote inflammation. Stored blood may also be deficient in recently discovered blood nitric oxide synthase activity. We hypothesize that these factors play a potential role in the blood storage lesion.
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