J Cancer Prev.  2017 Jun;22(2):57-61. 10.15430/JCP.2017.22.2.57.

Astaxanthin and β-carotene in Helicobacter pylori-induced Gastric Inflammation: A Mini-review on Action Mechanisms

Affiliations
  • 1Brain Korea 21 PLUS Project, Department of Food and Nutrition, College of Human Ecology, Yonsei University, Seoul, Korea. kim626@yonsei.ac.kr

Abstract

Helicobacter pylori is a dominant bacterium living in the human gastric tissues. In H. pylori-infected tissues, the infiltrated inflammatory cells produce reactive oxygen species (ROS), leading to gastric inflammation with production of various mediators. According to numerous epidemiological studies, dietary carotenoids may prevent gastric inflammation due to their antioxidant properties. Recent studies showed that antioxidant and anti-inflammatory effects of astaxanthin and β-carotene may contribute to inhibition of H. pylori-induced gastric inflammation. Astaxanthin changes H. pylori-induced activation of T helper cell type 1 response towards T helper cell type 2 response in the infected tissues. Astaxanthin inhibits the growth of H. pylori. Even though astaxanthin reduces H. pylori-induced gastric inflammation, it does not reduce cytokine levels in the infected tissues. β-Carotene suppresses ROS-mediated inflammatory signaling, including mitogen-activated protein kinases and redox-sensitive transcription factors, and reduces expression of inflammatory mediators, including interleukin-8, inducible nitric oxide synthase, and cyclooxygenase-2 in the infected tissues. Therefore, consumption of astaxanthin- and β-carotene-rich foods may be beneficial to prevent H. pylori-induced gastric inflammation. This review will summarize anti-inflammatory mechanisms of astaxanthin and β-carotene in H. pylori-mediated gastric inflammation.

Keyword

Astaxanthine; Beta-carotene; Helicobacter pylori; Inflammation

MeSH Terms

beta Carotene
Carotenoids
Cyclooxygenase 2
Epidemiologic Studies
Helicobacter pylori
Helicobacter*
Humans
Inflammation*
Interleukin-8
Mitogen-Activated Protein Kinases
Nitric Oxide Synthase Type II
Reactive Oxygen Species
T-Lymphocytes, Helper-Inducer
Transcription Factors
Carotenoids
Cyclooxygenase 2
Interleukin-8
Mitogen-Activated Protein Kinases
Nitric Oxide Synthase Type II
Reactive Oxygen Species
Transcription Factors
beta Carotene
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