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Uterine perivascular adipose tissue-derived exosome-like vesicles (Exo-utPVAT) does not affect relaxation responses to acetylcholine (Ach). Concentration-response curves to ACh and corresponding pEC50 in main uterine arteries from pregnant (A) and nonpregnant (B) rats. Student’s t test: P = 0.64 (A) and P = 0.62 (B); n = 3/group. Values are means ± SD.
