%0 Journal Article %T Ensayo inmunoenzim¨¢tico para la determinaci¨®n de anticuerpos naturales anti banda 3 %A Arce Hern¨¢ndez %A Ada Amalia %A Villaescusa Blanco %A Rinaldo %A Merl¨ªn Linares %A Julio C¨¦sar %J Revista Cubana de Hematolog£¿-a, Inmunolog£¿-a y Hemoterapia %D 2008 %I Editorial Ciencias M¨¦dicas %X an immunoenzimatic assay (elisa) was standardized to determine the natural anti-band 3 antibodies by coupling with chemobond plates the band 3 protein obtained from the membrane of human erythrocytes by a combination of affinity and anion exchange chromatography. 3 g of band 3 protein per well were used. a level of detection of 1 g/ml of anti-band 3 antibody was achieved. the results showed the usefulness of the method to measure the levels of natural anti-band 3 antibodies in patients with drepanocytes, both in basal state and in the painful vasocclusive crises. %K natural anti-band 3 antibodies %K drepanocytosis %K elisa %K band 3 protein. %U http://scielo.sld.cu/scielo.php?script=sci_abstract&pid=S0864-02892008000300006&lng=en&nrm=iso&tlng=en