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. 2022 Aug 11;13:897971. doi: 10.3389/fimmu.2022.897971

Figure 1.

Figure 1

Immunoreactivity and binding specificity of the murine monoclonal antibody 36.2.2 to the lupus RG strains associated lipoglycan. (A) Coomassie stain for one of duplicate gels loaded equally with the whole extracts of a reference strain (RG1) that lacks the lipoglycan (LG, the two lupus RG strains (S107-48, S47-18) expressing LG, the reference strain (RG2) and LG purified from this strain (RG2-LG). (B) Immunoblot with the mAb 36.2.2 using the other duplicate gel as in (A), the blot is showing the reactivity only to the LG band in the two RG lupus strains (S107- 48, S47-18) as well as the reference strain (RG2) and its purified LG. (C) Immunoreactivity by ELISA reflected as ODs of the mAb 36.2.2 binding to all extracts and to both purified LGs from RG2 and the lupus strain S47-18 but not the LPS from Pseudomonas.