Deep-sea water containing selenium provides intestinal protection against duodenal ulcers through the upregulation of Bcl-2 and thioredoxin reductase 1

Chih Ching Yang, Chien An Yao, Yi Ruu Lin, Jyh Chin Yang, Chiang Ting Chien

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Deep-sea water (DSW), which is rich in micronutrients and minerals and with antioxidant and anti-inflammatory qualities, may be developed as marine drugs to provide intestinal protection against duodenal ulcers. We determined several characteristics in the modified DSW. We explored duodenal pressure, oxygenation, microvascular blood flow, and changes in pH and oxidative redox potential (ORP) values within the stomach and duodenum in response to tap water (TW, hardness: 2.48 ppm), DSW600 (hardness: 600 ppm), and DSW1200 (hardness: 1200 ppm) in Wistar rats and analyzed oxidative stress and apoptosis gene expressions by cDNA and RNA microarrays in the duodenal epithelium. We compared the effects of drinking DSW, MgCl2, and selenium water on duodenal ulcers using pathologic scoring, immunohistochemical analysis, and Western blotting. Our results showed DSW has a higher pH value, lower ORP value, higher scavenging H2O2 and HOCl activity, higher Mg2+ concentrations, and micronutrients selenium compared with TW samples. Water infusion significantly increased intestinal pressure, O2 levels, and microvascular blood flow in DSW and TW groups. Microarray showed DSW600, DSW1200, selenium water upregulated antioxidant and anti-apoptotic genes and downregulated proapoptotic gene expression compared with the TW group. Drinking DSW600, DSW1200, and selenium water but not Mg2+ water significantly enhanced Bcl-2 and thioredoxin reductase 1 expression. Bax/Bcl-2/caspase 3/poly-(ADP-ribose)- polymerase signaling was activated during the pathogenesis of duodenal ulceration. DSW drinking reduced ulcer area as well as apoptotic signaling in acetic acid-induced duodenal ulcers. DSW, which contains selenium, provides intestinal protection against duodenal ulcers through the upregulation of Bcl-2 and thioredoxin reductase 1.

Original languageEnglish
Article numbere96006
JournalPloS one
Volume9
Issue number7
DOIs
Publication statusPublished - 2014 Jul 1

Fingerprint

Thioredoxin Reductase 1
duodenal ulcers
Seawater
Duodenal Ulcer
Selenium
selenium
Up-Regulation
seawater
Water
Hardness
drinking
Drinking
Micronutrients
redox potential
dietary minerals
water
blood flow
Oxidation-Reduction
hardness
Antioxidants

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)
  • General

Cite this

Deep-sea water containing selenium provides intestinal protection against duodenal ulcers through the upregulation of Bcl-2 and thioredoxin reductase 1. / Yang, Chih Ching; Yao, Chien An; Lin, Yi Ruu; Yang, Jyh Chin; Chien, Chiang Ting.

In: PloS one, Vol. 9, No. 7, e96006, 01.07.2014.

Research output: Contribution to journalArticle

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