期刊
ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY
卷 54, 期 1, 页码 25-36出版社
WILEY-LISS
DOI: 10.1002/arch.10096
关键词
LPS-binding protein; LPS; CD14; ERK; phagocytosis; hemocytes
A doublet of medfly hemocyte proteins with a molecular mass of about 55 and 50 kDa were precipitated with LPS. Antibodies raised against human CD14 recognize the same doublet of proteins. These results support that mammalian CD14 and the doublet of protein bonds in medfly hemocytes share common epitopes. This doublet of protein bonds is released from hemocytes upon LPS triggering. A portion of the released protein is clustered on the surface of a distinct hemocyte type and the other remains soluble. The membrane-bound LPS-binding protein is involved in LPS internalization and Escherichia coli phagocytosis but not in LPS signaling. (C) 2003 Wiley-Liss, Inc.
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