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Tytuł:
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The implication of the crosstalk of Nrf2 with NOXs, and HMGB1 in ethanol-induced gastric ulcer: Potential protective effect is afforded by Raspberry Ketone.
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Autorzy:
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Badr AM; Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia.; Department of Pharmacology and Toxicology, College of Pharmacy, Ain Shams University, Heliopolis, Cairo, Egypt.
El-Orabi NF; Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia.; Department of Pharmacology and Toxicology, Faculty of Pharmacy, Suez Canal University, Ismailia, Egypt.
Ali RA; Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia.
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Źródło:
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PloS one [PLoS One] 2019 Aug 12; Vol. 14 (8), pp. e0220548. Date of Electronic Publication: 2019 Aug 12 (Print Publication: 2019).
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Typ publikacji:
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Journal Article; Research Support, Non-U.S. Gov't
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Język:
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English
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Imprint Name(s):
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Original Publication: San Francisco, CA : Public Library of Science
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MeSH Terms:
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Receptor Cross-Talk*/drug effects
Antioxidants/*therapeutic use
Butanones/*therapeutic use
Ethanol/*adverse effects
Gastrointestinal Agents/*therapeutic use
HMGB1 Protein/*metabolism
NADPH Oxidases/*metabolism
NF-E2-Related Factor 2/*metabolism
Stomach Ulcer/*chemically induced
Animals ; Gastric Mucosa/drug effects ; Gastric Mucosa/pathology ; Male ; Rats ; Rats, Wistar ; Stomach Ulcer/metabolism ; Stomach Ulcer/pathology ; Stomach Ulcer/prevention & control
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References:
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Substance Nomenclature:
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0 (Antioxidants)
0 (Butanones)
0 (Gastrointestinal Agents)
0 (HMGB1 Protein)
0 (Hbp1 protein, rat)
0 (NF-E2-Related Factor 2)
0 (Nfe2l2 protein, rat)
3K9958V90M (Ethanol)
7QY1MH15BG (raspberry ketone)
EC 1.6.3.- (NADPH Oxidases)
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Entry Date(s):
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Date Created: 20190813 Date Completed: 20200309 Latest Revision: 20200309
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Update Code:
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20240104
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PubMed Central ID:
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PMC6690542
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DOI:
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10.1371/journal.pone.0220548
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PMID:
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31404064
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Ethanol consumption is one of the common causative agents implicated in gastric ulcer development. Oxidative stress plays a major role in the induction and development of gastric ulceration. NADPH oxidases (NOXs) and Nuclear factor erythroid 2-related factor 2 (Nrf2) are key players in ethanol-induced ulcers. High-mobility group box 1 (HMGB1), a ubiquitous nuclear protein, mediates various inflammation functions. However, the role of HMGB1 in ethanol-induced gastric ulcer is not yet elucidated. Raspberry Ketone (RK) is a natural phenolic compound with antioxidant and anti-inflammatory properties. In the present study, absolute ethanol (7.5 ml/kg) was used to induce gastric ulceration in rats. Raspberry Ketone (RK) (50 mg/kg) was given orally one hour before the administration of absolute ethanol. Interestingly, ethanol-induced gastric ulcer was associated with Nrf2 downregulation, which was correlated with NOX-1, 2 NOX-4, and HMGB1 upregulation, and was significantly reversed by RK pre-treatment. RK pre-treatment provided 80% gastroprotection. Gastroprotective properties of RK were mediated via antioxidant, anti-inflammatory (suppression of NF-kB and tumor necrosis factor-α), and antiapoptotic activities (reduction of Bax/Bcl2 ratio). Gastroprotective properties of RK were confirmed by histopathological examination. In conclusion, this study is the first to provide evidence to the role of HMGB1 in ethanol-induced gastric ulcer, and the crosstalk of Nrf2, NOXs and HMGB1. It also demonstrates that RK represents a promising gastroprotective activity comparable to omeprazole.
Competing Interests: The authors have declared that no competing interests exist.
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