05 Apr '11, 5am

HIV vaccine found? #Singapore

The original AB blood type has both A and B antigens with no specific antibody present... Problem is other blood type could not accept the AB blood type plasma... Therefore the Bombay blood phenotype is extremely important... Individuals with the rare Bombay phenotype (hh) do not express H antigen (also called substance H) (the antigen which is present in blood group O). As a result, they cannot make A antigen (also called substance A) or B antigen (also called "substance B") on their red blood cells, whatever alleles they may have of the A and B blood-group genes, because A antigen and B antigen are made from H antigen; receiving blood which contains an antigen which has never been in the patient's own blood causes an immune reaction... Therefore transfuse the two and the antigens will have an antibody to stick to and can be used to fill up other null alleles... Im sure u...

Full article: http://sg.news.yahoo.com/scientists-step-closer-hiv-vacci...

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Singapore schools get iPads, Wii gaming consoles

Singapore schools get iPads, Wii gaming consoles

sg.news.yahoo.com 04 Apr '11, 1am

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