2009
DOI: 10.1590/s1516-84842009005000015
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Funções biológicas dos antígenos eritrocitários

Abstract: IntroduçãoOs antígenos de grupos sanguíneos eritrocitários são estruturas macromoleculares localizados na superfície extracelular da membrana dos eritrócitos podendo ser de natureza carboidrato, proteína ou glicoproteína.1 Nos últimos anos, com o avanço dos estudos moleculares, dos 29 sistemas de grupos sanguíneos reconhecidos pela Sociedade Internacional de Transfusão Sanguínea, 2 os genes codificadores de 28 sistemas foram clonados e sequenciados. 3,4 Até o momento, 989 alelos de 39 genes de grupos sanguíneo… Show more

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Cited by 7 publications
(15 citation statements)
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“…Lutheran system antigens are involved in vaso-occlusion crisis in sickle cell disease and the occurrence of tumor metastases. 13 In the present study, all animals were negative for Lu a and Lu b , which could suggest that they do not have a similar gene to the human LU ized as Rh null. 12 The occurrence of Rh haplotypes varies according to population.…”
Section: Discussioncontrasting
confidence: 47%
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“…Lutheran system antigens are involved in vaso-occlusion crisis in sickle cell disease and the occurrence of tumor metastases. 13 In the present study, all animals were negative for Lu a and Lu b , which could suggest that they do not have a similar gene to the human LU ized as Rh null. 12 The occurrence of Rh haplotypes varies according to population.…”
Section: Discussioncontrasting
confidence: 47%
“…This antigen is also considered an anthropological marker that occurs in only 1% of European/American Caucasians and Africans, but in 5%-15% of Human newborns are always Le (a−b−), initiating the production of these antigens soon after birth. 12,13 In this study, all animals presented Le (a−b−) phenotyping, although there was only 1 juvenile in the group. It would be possible that they do not have a gene like that human FUT3.…”
Section: Discussionmentioning
confidence: 70%
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“…Os antígenos eritrocitários são estruturas proteicas ou compostas por carboidratos presentes na superfície da membrana das hemácias. Apesar de possuírem grande importância fisiológica para a célula, como funções estruturais, de transporte, enzimáticas e de receptores, eles são mais conhecidos por sua capacidade de induzir respostas imunes indesejáveis nos pacientes que recebem transfusões de sangue (BONIFÁCIO;NOVARETTI, 2009;MARSH, 1990).…”
Section: Antígenos Eritrocitários E Aloimunizaçãounclassified