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In vitro study on the neutralizing LPS activity of modeling peptides from the limulus antilipopolysaccharide factor / 第三军医大学学报
Journal of Third Military Medical University ; (24)2003.
Artigo em Chinês | WPRIM | ID: wpr-556892
ABSTRACT
Objective To evaluate the endotoxin-neutralizing activity of modeling peptides from the limulus antilipopolysaccharide factor (MPLALFs, Ms) in vitro. Methods The endotoxin-binding activity of Ms was examined by biosensor technique and shown in values of Kon and Kd. The endotoxin-neutralizing effect was analyzed by limulus amebocyte lysate test. Results The biosensor technique results showed that the Kon values of M_0, M_1, M_2, M_3, M_4, M_6, M_8 and M_ 10 binding to LPS 055∶B5 were (840?5.716), (549?6.532), (842?6.530), (627?2.450), (996?5.716), (814?8.982), (556?1.633) and (635?2.449) arc second, of which M_4 and M_1 had the highest and lowest endotoxin-binding activity, respectively. The M_4 reacted to LPS with a Kd of 72.377 ?mol/L. The results obtained by the limulus amebocyte lysate test were the same with those from the biosensor technique. Conclusion M_4 has a potential good endotoxin-neutralizing effect in vitro.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Tipo de estudo: Estudo prognóstico Idioma: Chinês Revista: Journal of Third Military Medical University Ano de publicação: 2003 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Tipo de estudo: Estudo prognóstico Idioma: Chinês Revista: Journal of Third Military Medical University Ano de publicação: 2003 Tipo de documento: Artigo