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. 2021 Oct 7;8:698698. doi: 10.3389/fmolb.2021.698698

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Copyright © 2021 Hong, Zha, Wang, Qiao and An.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Effect of folic acid on cell viability in H9C2 cells. (A) Cell viabilities of folic acid on H9C2 cells. (B) The protective effects of 0–500 nM folic acid on the viability of H9C2 cells treated with HGF. *p < 0.05, compared with NG; ^# p < 0.05, compared with HGF; ^& p < 0.05, compared with HGF+50 nM folic acid.