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BrM contained several potential laminins. Fluorescent images of bovine sections reacted with antibodies to laminins and laminin chains—in one case, doubly with anti-laminin β2 and an antibody to the basement membrane component, nidogen-1. Bottom right: nuclei of RPE cells counterstained with DAPI. BrM contained several laminin chains, consistent with the presence of multiple laminin trimers. bv, blood vessel; no 1°, no primary antibody.
