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Alanine solution as enzyme reaction buffer used in A to O blood group conversion / 中国实验血液学杂志
Journal of Experimental Hematology ; (6): 817-820, 2014.
Artigo em Chinês | WPRIM | ID: wpr-302393
ABSTRACT
The aim of this study was to investigate the effect of alanine solution as α-N-acetylgalactosaminidase enzyme reaction buffer on the enzymatic activity of A antigen. The binding ability of α-N-acetylgalactosaminidase with RBC in different reaction buffer such as alanine solution, glycine solution, normal saline (0.9% NaCl), PBS, PCS was detected by Western blot. The results showed that the efficiency of A to O conversion in alanine solution was similar to that in glycine solution, and Western blot confirmed that most of enzymes blinded with RBC in glycine or alanine solution, but few enzymes blinded with RBC in PBS, PCS or normal saline. The evidences indicated that binding of enzyme with RBC was a key element for A to O blood group conversion, while the binding ability of α-N-acetylgalactosaminidase with RBC in alanine or glycine solution was similar. It is concluded that alanine solution can be used as enzyme reaction buffer in A to O blood group conversion. In this buffer, the α-N-acetylgalactosaminidase is closely blinded with RBC and α-N-acetylgalactosaminidase plays efficient enzymatic activity of A antigen.
Assuntos
Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Soluções / Sistema ABO de Grupos Sanguíneos / Tipagem e Reações Cruzadas Sanguíneas / Alfa-N-Acetilgalactosaminidase / Alanina / Alergia e Imunologia / Métodos Limite: Humanos Idioma: Chinês Revista: Journal of Experimental Hematology Ano de publicação: 2014 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Soluções / Sistema ABO de Grupos Sanguíneos / Tipagem e Reações Cruzadas Sanguíneas / Alfa-N-Acetilgalactosaminidase / Alanina / Alergia e Imunologia / Métodos Limite: Humanos Idioma: Chinês Revista: Journal of Experimental Hematology Ano de publicação: 2014 Tipo de documento: Artigo