Affinity purified rabbit anti-mouse COL7 IgG was produced as described (10 (link)). Briefly, rabbits were immunized with an immunodominant fragment of murine COL7. Total immune IgG was isolated from rabbit serum using protein G, followed by isolation of COL7-specific IgG using COL7 coupled to an Affi-Gel 10 matrix (Bio-Rad #1536099). COL7 affinity purified IgG was labeled with DyLight™ 594 NHS ester (Thermo Scientific #46412) according to manufactures instructions. Monoclonal FcγRIV blocking antibody 9E9 was kindly provided by Falk Nimmerjahn (9 (link)), the isotype control IgG1κ (clone A19-3) was purchased from BD Biosciences (#553968).
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