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. 2021 Jun 2;12:682654. doi: 10.3389/fphar.2021.682654

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Copyright © 2021 Földes, Sang-Ngoen, Kádár, Rácz, Zsembery, DenBesten, Steward and Varga.

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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Quantitative RT-PCR data showing expression of: (A) maturation-phase ameloblast marker Klk4, and tight-junction protein genes Cldn1, Cldn4, Cldn8 (claudins 1, 4, and 8), and Tjp1 (ZO-1); (B) electrolyte transporter genes Slc9a1 (NHE1), Slc4a2 (AE2), Slc4a4 (NBCe1), Slc26a4 (pendrin), and Cftr (CFTR). Expression levels in HAT-7 cells grown in Matrigel with Hepato-STIM medium (spheroid) were normalised to expression levels in HAT-7 cells grown on Transwell permeable supports in differentiation medium (monolayer). Data are mean ± SEM. *p < 0.05 (n = 4).