Medical Research Council - London Institute of Medical Sciences

is the new name of the MRC Clinical Sciences Centre

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Bloody Good Idea
18 August 2013

Bloody Good Idea

Although blood banks are relatively safe from the financial crisis, they still have more than enough problems to cope with. More than 85 million units of human blood are collected worldwide every year, and transfusions of oxygen-carrying red blood cells – like those pictured here – are one of the most common medical procedures. But it's not clear how effective these donated blood cells actually are at delivering oxygen to hungry tissues, and there's evidence that they may even be harmful in certain situations. Researchers think that treating banked red blood cells with a drug that increases their levels of nitric oxide (NO) also enhances their oxygen delivering capability. NO naturally occurs throughout the body and expands blood vessels wherever more oxygen is needed. If it holds up in clinical trials, boosting NO in banked blood could be a good way to make blood transfusions safer and more effective.

Written by Kat Arney

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BPoD stands for Biomedical Picture of the Day. Managed by the MRC London Institute of Medical Sciences (the new name for the MRC Clinical Sciences Centre) the website aims to engage everyone, young and old, in the wonders of biomedicine. Images are kindly provided for inclusion on this website through the generosity of scientists across the globe.

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