There was also a strong trend toward lower RVSP and RV/LV+S in SuHx-PH rats given MSC EV at 5 μg/kg, but the differences were not quite statistically significant.
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Effect of dose, dosing intervals, and hypoxic stress on the reversal of pulmonary hypertension by mesenchymal stem cell extracellular vesicles.
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The sentences
There was a nonsignificant trend toward higher RVSP and RV/LV+S at doses below 5 μg/kg ( Fig. 1 ).