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Impact of porcine maternal aerobic exercise training during pregnancy on endothelial cell function of offspring at birth

  • S. C. Newcomer (a1), P. Taheripour (a1), M. Bahls (a1), R. D. Sheldon (a1), K. B. Foust (a2), C. A. Bidwell (a2) and R. Cabot (a2)...

Abstract

The purpose of this investigation was to test the hypothesis that maternal exercise training during pregnancy enhances endothelial function in offspring at birth. Six-month-old gilts (n = 8) were artificially inseminated and randomized into exercise-trained (n = 4) and sedentary groups (n = 4). Exercise training consisted of 15 weeks of treadmill exercise. The thoracic aorta of offspring were harvested within 48 h after birth and vascular responsiveness to cumulative doses of endothelium-dependent (bradykinin: 10−11–10−6 M) and independent (sodium nitroprusside: 10−10–10−4 M) vasodilators were assessed using in vitro wire myography. Female offspring from the exercised-trained gilts had a significantly greater endothelium-dependent relaxation response in the thoracic aorta when compared with the male offspring and female offspring from the sedentary gilts. The results of this investigation demonstrate for the first time that maternal exercise during pregnancy produces an enhanced endothelium-dependent vasorelaxation response in the thoracic aortas of female offspring at birth.

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Corresponding author

*Address for correspondence: Dr Sean C. Newcomer, Ph.D., Department of Health and Kinesiology, Purdue University, Lambert Fieldhouse, 800 W. Stadium Avenue, West Lafayette, IN 47907, USA. (Email snewcome@purdue.edu)

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Journal of Developmental Origins of Health and Disease
  • ISSN: 2040-1744
  • EISSN: 2040-1752
  • URL: /core/journals/journal-of-developmental-origins-of-health-and-disease
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