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. Author manuscript; available in PMC: 2022 Dec 1.
Published in final edited form as: J Immunol. 2022 May 2;208(11):2482–2496. doi: 10.4049/jimmunol.2101170

Figure 4.

Figure 4.

Immunohistochemical (IHC) staining, standardization and examination of Early RA synovial biopsy for seven complement proteins including Hematoxylin and Eosin (H &E). Top panel from left to right A. H & E. B. C3c C. CFHR4 D. CFB; Center panel from left to right E. CFH F. FCN3 G. MBL2 H. C5b-9 (MAC) and bottom panel I. DAPI. Positive brown color staining for each complement protein has been indicated by a black arrow. IHC staining for each complement marker was repeated two times using different human tissue. Magnification =20x, Scale bar = 100μm