Gliadin Intake Causes Disruption of the Intestinal Barrier and an Increase in Germ Cell Apoptosis in A Model

Overview

Journal Nutrients

Date 2019 Nov 14

PMID 31717869

Citations 5

Authors

Hyemin Min

Ji-Sun Kim

Jiyun Ahn

Yhong-Hee Shim

Affiliations

Soon will be listed here.

Abstract

Gliadin is a major protein component of gluten and causes gluten toxicity through intestinal stress. We previously showed that gliadin intake induces oxidative stress in the intestine and reduces fertility in a model. To elucidate the possible link between intestinal stress and reproduction, changes in the intestine and germ cells of after gliadin intake were examined at the molecular level. Gliadin intake increased reactive oxygen species (ROS) production in the intestine, decreased intestinal F-actin levels, and increased germ cell apoptosis. These gliadin-triggered effects were suppressed by antioxidant treatment. These results suggest that ROS production in the intestine induced by gliadin intake causes disruption of intestinal integrity and increases germ cell apoptosis. Gliadin-induced germ cell apoptosis (GIGA) was suppressed by depletion of , , , or . However, HUS-1 was not activated, suggesting that GIGA is activated through the mitogen-activated protein kinase (MAPK) pathway and is CEP-1-dependent but is a separate pathway from that controlling the DNA damage response. Taken together, our results suggest that gliadin causes intestinal barrier disruption through ROS production and interacts with the germ cells to reduce fertility through GIGA.

Citing Articles

Maternal Gliadin Intake Reduces Oocyte Quality with Chromosomal Aberrations and Increases Embryonic Lethality through Oxidative Stress in a Model.

Lee J, Lee M, Min H, Youn E, Shim Y Nutrients. 2022; 14(24).

PMID: 36558561 PMC: 9787971. DOI: 10.3390/nu14245403.

Reproductive Toxicity of Furfural Acetone in and .

Cheng W, Yang X, Xue H, Huang D, Cai M, Huang F Cells. 2022; 11(3).

PMID: 35159211 PMC: 8834415. DOI: 10.3390/cells11030401.

Long-Term Caffeine Intake Exerts Protective Effects on Intestinal Aging by Regulating Vitellogenesis and Mitochondrial Function in an Aged Model.

Min H, Youn E, Shim Y Nutrients. 2021; 13(8).

PMID: 34444677 PMC: 8398797. DOI: 10.3390/nu13082517.

Nicotinamide Supplementation Improves Oocyte Quality and Offspring Development by Modulating Mitochondrial Function in an Aged Model.

Min H, Lee M, Cho K, Lim H, Shim Y Antioxidants (Basel). 2021; 10(4).

PMID: 33810497 PMC: 8066965. DOI: 10.3390/antiox10040519.

Maternal Caffeine Intake Disrupts Eggshell Integrity and Retards Larval Development by Reducing Yolk Production in a Model.

Min H, Youn E, Shim Y Nutrients. 2020; 12(5).

PMID: 32392893 PMC: 7284833. DOI: 10.3390/nu12051334.

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