Abstract:
:Erythrocytes kept outside the blood circulation undergo progressive changes in metabolism, shape and function, which was the topic of this study. For that purpose, blood anticoagulated with either heparin, citrate or EDTA was incubated at temperatures of 5°C, 22°C or 37°C for 0 h, 24 h and 48 h, respectively. A temperature- and time-dependent decrease of glucose and ATP and increase of lactate and LDH were observed. An erythrocyte swelling and echinocytic shape transformation, which was also time- and temperature-dependent, was seen. Density-separated young and old erythrocytes behaved similarly. The degree of echinocytic shape transformation correlated with the increase in blood viscosity at high shear rate. Echinocytosis was partially reversible when erythrocytes were suspended in buffer containing 0.2% albumin. This phenomenon is specific for albumin, since molecules with a similar molecular weight (dextran 70, heat shock protein, protein C) had no effect. These finding may have an impact on blood banking and transfusion medicine.
journal_name
Clin Hemorheol Microcircjournal_title
Clinical hemorheology and microcirculationauthors
Reinhart SA,Schulzki T,Bonetti PO,Reinhart WHdoi
10.3233/CH-131682subject
Has Abstractpub_date
2014-01-01 00:00:00pages
161-73issue
2eissn
1386-0291issn
1875-8622pii
126187NN27336758journal_volume
56pub_type
杂志文章abstract::Disputes on the significance of cerebral lymphatic drainage pathways under physiological and pathophysiological conditions still exist. The purpose of this experiment is to investigate the influence of cerebral lymphatic blockage on cerebral blood flow and cortex somatosensory evoked potential. Wistar rat cerebral lym...
journal_title:Clinical hemorheology and microcirculation
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journal_title:Clinical hemorheology and microcirculation
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journal_title:Clinical hemorheology and microcirculation
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journal_title:Clinical hemorheology and microcirculation
pub_type: 临床试验,杂志文章
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