Document Detail


Blood aging, safety, and transfusion: capturing the "radical" menace.
MedLine Citation:
PMID:  20954814     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Abstract Throughout their life span, circulating red blood cells (RBCs) transport oxygen (O(2)) primarily from the lungs to tissues and return with carbon dioxide (CO(2)) from respiring tissues for final elimination by lungs. This simplistic view of RBCs as O(2) transporter has changed in recent years as other gases, for example, nitric oxide (NO), and small molecules, such as adenosine triphosphate (ATP), have been shown to either be produced and/or carried by RBCs to perform other signaling and O(2) sensing functions. In spite of the numerous biochemical and metabolic changes occurring within RBCs during storage, prior to, and after transfusion, perturbations of RBC membrane are likely to affect blood flow in the microcirculation. Subsequent hemolysis due to storage conditions and/or hemolytic disorders may have some pathophysiological consequences as a result of the release of Hb. In this review, we show that evolution has provided a multitude of protection and intervention strategies against free Hb from "cradle" to "death"; from early biosynthesis to its final degradation and a lot more in between. Furthermore, some of the same naturally occurring protective mechanisms can potentially be employed to oxidatively inactivate this redox active protein and control its damaging side reactions when released outside of the RBC. Antioxid. Redox Signal. 14, 1713-1728.
Authors:
Paul W Buehler; Elena Karnaukhova; Monique P Gelderman; Abdu I Alayash
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Publication Detail:
Type:  Journal Article     Date:  2011-02-28
Journal Detail:
Title:  Antioxidants & redox signaling     Volume:  14     ISSN:  1557-7716     ISO Abbreviation:  Antioxid. Redox Signal.     Publication Date:  2011 May 
Date Detail:
Created Date:  2011-04-08     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100888899     Medline TA:  Antioxid Redox Signal     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1713-28     Citation Subset:  IM    
Affiliation:
Division of Hematology, Center for Biologics Evaluation and Research (CBER) , U.S. Food and Drug Administration (FDA), Bethesda, Maryland.
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