Type 1 Diabetes and Autoimmune Mechanisms Quiz

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What is the epitope targeted by T cells in Type 1 diabetes?

insB:9–23

Which peptide from Parabacteroides distasonis activated T cells specific to insB:9–23 in T1D patients and NOD mice?

hprt4–18

What effect did colonization with P. distasonis have on the development of T1D in female NOD mice?

Accelerated the development of T1D

What was observed in the sera of NOD mice colonized with P. distasonis and human T1D patients?

<p>P. distasonis–reacting antibodies</p> Signup and view all the answers

What effect did colonization with P. distasonis have on the development of T1D in female NOD mice?

<p>Accelerated the development of T1D</p> Signup and view all the answers

What is the epitope targeted by T cells in Type 1 diabetes?

<p>insB:9–23</p> Signup and view all the answers

Which peptide from Parabacteroides distasonis activated T cells specific to insB:9–23 in T1D patients and NOD mice?

<p>hprt4–18</p> Signup and view all the answers

What was observed in the sera of NOD mice colonized with P. distasonis and human T1D patients?

<p>P. distasonis–reacting antibodies</p> Signup and view all the answers

Which cell type decreased in female NOD mice colonized with P. distasonis, contributing to the acceleration of T1D development?

<p>FoxP3+ regulatory T cells</p> Signup and view all the answers

What was the effect of adoptive transfer of splenocytes from P. distasonis–treated mice to NOD/SCID mice?

<p>Enhanced disease phenotype</p> Signup and view all the answers

What was identified in the sera of NOD mice colonized with P. distasonis and human T1D patients?

<p>Auto-antibodies</p> Signup and view all the answers

Which peptide from Parabacteroides distasonis activated T cells specific to insB:9–23 in T1D patients and NOD mice?

<p>hprt4–18 peptide</p> Signup and view all the answers

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