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Can a Gluten-free Diet Lower the Risk of Diabetes?

Posted by on Aug. 13, 2014 at 7:46 PM
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Early life intestinal problems have previously been shown to influence diabetes rates. There is also some evidence that a gluten-free diet can lower rates of diabetes, but just how strong is the influence of gluten-free diet on the development of diabetes?

A recent study by a group of researchers in Denmark suggests that maternal gluten-free diet greatly reduces inflammation and rates of diabetes in the offspring of certain mice. This study led the team to hypothesize that a gluten-free diet, which is known to decrease type 1 diabetes incidence, may also offer protection against diabetes when followed during the pregnancy and lactation period.

The research team included Camilla H.F. Hansen, Łukasz Krych, Karsten Buschard, Stine B. Metzdorff, Christine Nellemann, Lars H. Hansen, Dennis S. Nielsen, Hanne Frøkiær, Søren Skov and Axel K. Hansen. They are variously affiliated with the Department of Veterinary Disease Biology of the Faculty of Health and Medical Sciences at the University of Copenhagen, the Department of Food Science, Faculty of Science, University of Copenhagen, the Department of Biology, Faculty of Science, University of Copenhagen, the Division of Toxicology and Risk Assessment of the National Food Institute at the Technical University of Denmark in Søborg, Denmark, and the Bartholin Institute in Copenhagen, Denmark.

For their study, the team fed pregnant non-obese diabetic (NOD) mice either a gluten-free diet, or a standard diet, until all pups were weaned to standard diet. Overall, mice which experienced early life gluten-free diets had dramatically lower rates of diabetes and insulitis (a).

An analysis of gut microbiota using 16S rRNA gene sequencing showed a major difference between both mothers and their offspring, marked by higher levels of Akkermansia, Proteobacteria, and TM7 in the gluten-free diet group. Gluten-free fed offspring showed increased M2 macrophage (b) gene markers and tight junction-related genes in the gut, along with higher levels of pancreatic FoxP3 regulatory T cells (c).

Gluten-free offspring also had reduced intestinal gene expression of proinflammatory cytokines (d). Finding more T cells in the pancreas expressing the mucosal (e) integrin α4β7 suggests that this is due to an increase in gut-primed immune cells moving to the pancreas.

The study shows clearly that a gluten-free diet during the fetal and early postnatal life lowers rates of diabetes. This may be due to a change in gut microbiota and a reduction in pro-inflammatory conditions in the gut and pancreas.

Clearly, further study is needed to better understand the factors at play, and how they relate to diabetes reduction efforts.

Source:

Glossary:

  • (a) Insulitis: an inflammation of the islets of Langerhans of the pancreas Pancreatic β-cells become infiltrated by mononuclear cells, leading to inflammation.
  • (b) Macrophage: any of the large, mononuclear, highly phagocytic cells derived from monocytes that occur in the walls of blood vessels (adventitial cells) and in loose connective tissue (histiocytes, phagocytic reticular cells). They are components of the reticuloendothelial system. Macrophages are usually immobile but become actively mobile when stimulated by inflammation; they also interact with lymphocytes to facilitate antibody production.
  • (c) T Cells: any of several closely related lymphocytes, developed in the thymus, that circulate in the blood and lymph and orchestrate the immune system's response to infected or malignant cells, either by lymphokine secretions or by direct contact (also known as T Lymphocytes)
  • (d) Cytokines: protein produced by cells: any protein secreted by lymph cells that affects cellular activity and controls inflammation.
  • (e) Mucosal: membrance rich in mucous glands lining all body cavities or passages that communicate with the exterior that functions with protection, support, nutrient absorption and secretion of mucus, enzymes, and salts (such as the digestive, genital and urinary tracts).
by on Aug. 13, 2014 at 7:46 PM
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Replies (1-6):
LadyHawk70
by on Aug. 13, 2014 at 8:12 PM
2 moms liked this

While Paul and I were at the Doctor's office today, I heard that Celiac's Disease runs in 1% of the population. However, this increases with people suffering from Type 1 Diabetes and, as such, increases the number of people suffering with Celiac's Disease to between 8-10% of the population. Some Type 1's suffer from the disease as well and still others are undiagnosed with it and so the numbers could be higher. 

That prompted me to do a little research and so I found the above article.

Moms_Angels1960
by on Oct. 16, 2014 at 6:06 PM
1 mom liked this

Interesting Thanks

MissMackiesgg
by Bobbi Owner on Oct. 17, 2014 at 9:55 AM
1 mom liked this

Thanks for sharing. Each little piece of the puzzle helps, doesn't it?

Alieda
by Member on Oct. 19, 2014 at 8:09 AM
1 mom liked this
Interesting thanks for sharing
MissMackiesgg
by Bobbi Owner on Oct. 30, 2015 at 5:17 AM


MissMackiesgg
by Bobbi Owner on Jul. 14, 2016 at 3:08 PM

doctor

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