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. 2021 Nov 19;10(11):1836. doi: 10.3390/antiox10111836

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Photomicrographs of immunohistochemical staining of tumor necrosis factor-alpha (TNF-α) protein expression in gastric section. Scale bar = 100 µm. (A) The gastric sections of the pretreatment group: (a) control rats, (b) ethanol-induced ulcer rats in one hour, (c) MO-pretreated (MO-EtOH) rats, (d) ME-pretreated (ME-EtOH) rats. Arrows in the panels are showing strong (black arrows), moderate (blue arrows), weak (green arrows), and negative (red arrows) brown immunoreactions. (B) The gastric sections of the treatment group: (a) control rats, (b) ethanol-induced ulcer rats on day 7, (c) MO-treated (EtOH-MO) rats, (d) ME-treated (EtOH-ME) rats. Arrows in the panels showed strong (black arrows), moderate (blue arrows), weak (green arrows), and negative (red arrows) brown immunoreactions.