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. 2024 Oct 14;15:8849. doi: 10.1038/s41467-024-53072-0

Fig. 4. Characterisation of the glomerular HEV ORF2 protein.

Fig. 4

a Western Blot with 1E6 antibody combined with PNGase F treatment showing the presence of glycosylated HEV ORF2 protein (HEV ORF2g, 90 kDa) in supernatant of HEV-replicating Hep293TT cells (SN) and in the serum of Patient 1. No evidence of glycosylated protein in the kidney protein extract of Patient 1 (60 kDa bands), as observed in cell lysate of HEV-replicating Hep293TT cells containing intracellular non-glycosylated HEV ORF2intra (72 kDa bands). Detection of bands with higher molecular weight in kidney protein extract of Patient 1 likely corresponding to the immune complexes of HEV ORF2 proteins and immunoglobulins G (n = 2 blots). b Immunohistochemistry using 1E6 and P3H2 antibodies recognizing all the isoforms of HEV as well as P1H1, P2H1 and P2H2 mAbs recognizing only infectious HEV ORF2i. HEV-replicating Hep293TT cells, as well as liver (Patient 1 - liver) and kidney transplant tissue (Patient 1 - kidney). Scale bars: 50 µm (n = 3 experiments per tissue type, each condition in duplicate). Source data are provided as a Source Data file.