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. 2021 Jan 19;9(2):e14710. doi: 10.14814/phy2.14710

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© 2021 The Authors. Physiological Reports published by Wiley Periodicals LLC on behalf of The Physiological Society and the American Physiological Society

This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Expression of VEGF, PlGF, VEGFR1 (Flt1) and VEGFR2 (Flk1) protein by western immunoblotting in term placenta (2:1 ratio of tissue from the central and peripheral regions of the placenta, respectively) from physically active (n = 23) and inactive (n = 22) women. Representative immunoblots for VEGF (a, upper panel), PlGF (b, upper panel), VEGFR1 (Flt1) (c, upper panel), and VEGFR2 (Flk1) (d, upper panel) are shown. The corresponding semi‐quantitative densitometric analysis is shown for each protein in the lower panel of a–d, respectively. All data are represented as mean ± SD. **p < 0.01.