passages.id: split_4_test_1680_passage
passages.type: progene_text
passages.text: Anti - GPI - anchored protein antibodies , such as anti - CD55 and anti - CD59 , reduced staining of C-C chemokine receptor 2 ( CCR2 ) with an anti - CCR2 antibody against the N-terminus of CCR2 in a flow cytometric analysis , and these antibodies also selectively inhibited MCP-1 - induced migration of THP-1 cells .