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. 2020 Aug 7;11:3981. doi: 10.1038/s41467-020-17718-z

Fig. 1. Both the TG-P118L and TG-G67S point mutants exhibit a secretion defect.

Fig. 1

ac Three independent replicate experiments. Western blotting of TG in 293T cells that were either untransfected (a, no detectable bands) or transfected with constructs encoding mouse TG wild type (WT) or P118L or G67S point mutants (in the pcDNA3.1 background, in which the CMV promoter drives the respective cDNA expression). Serum-free media (M) were collected overnight and the cells (C) were lysed. Equal volumes of media and cells were analyzed by SDS-PAGE, electrotransfer to nitrocellulose, and immunoblotting with anti-Tg-specific antibodies. Full scans of western blotting are presented in Supplementary Fig. 14. From scanning densitometry, d shows the content of thyroglobulin (and its variants) intracellularly and in the secretion. e The extracellular : intracellular (M/C) ratio of each construct. d, e Three independent replicate experiments. All boxplots in d and e indicate median (center line), 25th and 75th percentiles (bounds of box), and minimum and maximum (whiskers).