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. 2019 Nov 20;9:17210. doi: 10.1038/s41598-019-53218-x

Figure 1.

Figure 1

PXR is present in human platelets. (A) PXR was immunoprecipitated (IP: PXR) from human platelets (IP: PXR) using a mouse monoclonal antibody and blotted with a rabbit polyclonal antibody. Human whole platelet lysates (WPL) and antibody used to IP (Ab: PXR) PXR were used as positive and negative controls, respectively. Cropped western blot image is representative of 3 separate experiments using different donors. Full length blot is shown in Supplementary Fig. 8a (B) The localisation of PXR in human resting platelets was investigated using immunofluorescence microscopy. PXR (in red) and membrane GPIb receptors (in green) were stained using anti-PXR and anti-GPIb antibodies. Platelets without primary antibody treatment were used as negative controls. (C) Flow cytometry was used to examine the median fluorescence level of PXR in permeabilised resting and activated (with 0.1 U/ml thrombin) human platelets, incubated with a PXR antibody or the equivalent rabbit IgG isotype control. (D) Median fluorescence intensity (MFI) associated with the PXR positive platelets in resting and activated platelets. Data represent mean ± SD (N ≥ 3), *P < 0.05 was calculated by Student T-test. Figure adapted from corresponding PhD thesis48.