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Updated: May 8, 2026

Microbiota Analysis Using Two-step PCR and Next-generation 16S rRNA Gene Sequencing

Microbiota Analysis Using Two-step PCR and Next-generation 16S rRNA Gene Sequencing

Published on: October 15, 2019

Human intestinal microbiota and type 1 diabetes.

¹Department of Vaccination and Immune Protection, National Institute for Health and Welfare, Haartmaninkatu 8, 00290, Helsinki, Finland, outi.vaarala@thl.fi.

Current Diabetes Reports

|August 13, 2013

Summary

Changes in gut bacteria are linked to type 1 diabetes. Altered gut microbiota may contribute to beta-cell autoimmunity, suggesting future prevention strategies targeting the intestinal environment.

Area of Science:

Microbiology
Immunology
Endocrinology

Background:

The intestinal microbiota's role in immune-mediated diseases like type 1 diabetes is increasingly recognized.
Studies indicate an association between gut microbiota alterations and type 1 diabetes development.

Purpose of the Study:

To explore the connection between gut microbiota composition and type 1 diabetes.
To understand how gut bacteria influence immune responses relevant to type 1 diabetes.

Main Methods:

Analysis of fecal microbiota in children with beta-cell autoimmunity.
Review of existing literature on gut microbiota and autoimmune diabetes models.

Main Results:

Children with beta-cell autoimmunity exhibit lower levels of butyrate-producing bacteria and higher levels of Bacteroidetes.

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Accelerated Type 1 Diabetes Induction in Mice by Adoptive Transfer of Diabetogenic CD4+ T Cells

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Published on: May 6, 2013

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Last Updated: May 8, 2026

Microbiota Analysis Using Two-step PCR and Next-generation 16S rRNA Gene Sequencing

Microbiota Analysis Using Two-step PCR and Next-generation 16S rRNA Gene Sequencing

Published on: October 15, 2019

Accelerated Type 1 Diabetes Induction in Mice by Adoptive Transfer of Diabetogenic CD4+ T Cells

Accelerated Type 1 Diabetes Induction in Mice by Adoptive Transfer of Diabetogenic CD4+ T Cells

Published on: May 6, 2013

These microbial shifts may correlate with increased gut permeability and inflammation.

Animal models show gut microbiota can modulate immunity and regulate autoimmune diabetes.

Conclusions:

Gut microbiota alterations are associated with type 1 diabetes and beta-cell autoimmunity.
While causality is not yet proven, the gut microbiota is a potential target for future type 1 diabetes prevention strategies.