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. 2017 Jul 19;7:5870. doi: 10.1038/s41598-017-05038-0

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© The Author(s) 2017

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Glucose deficiency influenced TFCP2 and ASIC2a expression in PC12 cells. (a) Representative immunoblot and densitometric analyses showing that cells grown in low-glucose media had significantly decreased TFCP2 expression and significantly increased ASIC2a expression relative to those grown in high-glucose media after 12 and 24 h of growth. (b) Representative immunoblot and densitometric analyses showing that cells grown in no-glucose media had significantly decreased TFCP2 expression and significantly increased ASIC2a expression relative to those grown in high-glucose media after 6, 12, and 24 h of growth. (c) Representative immunoblot and densitometric analyses showing that STF-31-treated PC12 exhibited significant downregulation of TFCP2 and significant upregulation of ASIC2a relative to DMSO-treated control cells. (d) Representative immunoblot and densitometric analyses showing TFCP2 and ASIC2a expression in 2-deoxy-D-glucose-treated PC12 cells cultured in no-glucose media. The experiments were repeated at least 3 times. Data are presented as means ± standard errors and were analysed using 1-way ANOVA and Dunnett’s multiple comparisons test. *P < 0.05, **P < 0.01 compared to controls; ^#P < 0.05, ^##P < 0.01 compared to the DMSO group. Uncropped western blot images are shown in Supplementary Fig. 1. Abbreviations, ASIC2a: acid-sensing ion channel 2a; TFCP2: transcription factor CP2; DMSO: dimethyl sulfoxide; 2-DG: 2-deoxy-D-glucose; Con: control.