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Identification of Monoclonal Antibodies against von Willebrand Factor Cleaving Protease (ADAMTS13) and Their Function / 中国实验血液学杂志
Journal of Experimental Hematology ; (6): 1104-1109, 2016.
Artigo em Chinês | WPRIM | ID: wpr-246808
ABSTRACT
<p><b>OBJECTIVE</b>To construct and identify the monoclonal antibodies against von willebrand factor cleaving protease(ADAMTS13), and to study their biological function.</p><p><b>METHODS</b>BALB/c mice were immunized by purified recombinant ADAMTS13 truncated eukaryotic protein (ADAMTS13-T7). Murine anti-human ADAMTS13 monoclonal antibodies (McAbs) were constructed by standard hybridoma technology and identified by ELISA. The recognition of McAbs with full-length recombinant ADAMTS13 protein was identified by Western blot. In function assay, the influence of McAbs on the proteolysis of vWF by ADAMTS13 was observed.</p><p><b>RESULTS</b>A group of 6 murine anti-ADAMTS13 McAbs was obtained with the clone number 1G11, 2F11, 6G3, 9E1, 10A8 and 10B4. In ELISA, the highest titers of 1G11 and 2F11 were observed, both of which showed a higher affinity to ADAMTS13-T7 than full-length ADAMTS13. The Western blot demonstrated that the 6 McAbs all could recognize ADAMTS13, among which 1G11 and 2F11 showed stronger reaction with ADAMTS13. In addition, under the denatured conditions, 1G11 and 2F11 could inhibit hydrolysis of vWF by ADAMTS13, and that was stronger with the increasing of McAbs concentration.</p><p><b>CONCLUSION</b>McAbs against ADAMTS13 have been gained, two of which are inhibitory antibodies.</p>
Assuntos
Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Fator de von Willebrand / Ensaio de Imunoadsorção Enzimática / Western Blotting / Alergia e Imunologia / Proteína ADAMTS13 / Hibridomas / Camundongos Endogâmicos BALB C / Anticorpos Monoclonais Tipo de estudo: Estudo prognóstico Limite: Animais Idioma: Chinês Revista: Journal of Experimental Hematology Ano de publicação: 2016 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Fator de von Willebrand / Ensaio de Imunoadsorção Enzimática / Western Blotting / Alergia e Imunologia / Proteína ADAMTS13 / Hibridomas / Camundongos Endogâmicos BALB C / Anticorpos Monoclonais Tipo de estudo: Estudo prognóstico Limite: Animais Idioma: Chinês Revista: Journal of Experimental Hematology Ano de publicação: 2016 Tipo de documento: Artigo