Csf2andPtgs2Epigenetic Dysregulation in Diabetes-prone Bicongenic B6.NODC11bxC1tb Mice | Zendy

Erin Garrigan | Zendy; Nicole S. Belkin | Zendy; Federica Seydel | Zendy; Zhao Han | Zendy; Jamal Carter | Zendy; Marcia McDuffie | Zendy; Laurence Morel | Zendy; Ammon B. Peck | Zendy; Michael ClareSalzler | Zendy; Mark A. Atkinson | Zendy; Clive Wasserfall | Zendy; Abdoreza DavoodiSemiromi | Zendy; Jing-Da Shi | Zendy; Carrie HaskellLuevano | Zendy; Lijun Yang | Zendy; John Alexander | Zendy; Autumn Cdebaca | Zendy; Teresa Piliant | Zendy; Corin Riggs | Zendy; Matthew A. Amick | Zendy; Sally A. Litherland | Zendy

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Csf2andPtgs2Epigenetic Dysregulation in Diabetes-prone Bicongenic B6.NODC11bxC1tb Mice

Author(s) -

Erin Garrigan,

Nicole S. Belkin,

Federica Seydel,

Zhao Han,

Jamal Carter,

Marcia McDuffie,

Laurence Morel,

Ammon B. Peck,

Michael ClareSalzler,

Mark A. Atkinson,

Clive Wasserfall,

Abdoreza DavoodiSemiromi,

Jing-Da Shi,

Carrie HaskellLuevano,

Lijun Yang,

John Alexander,

Autumn Cdebaca,

Teresa Piliant,

Corin Riggs,

Matthew A. Amick,

Sally A. Litherland

Publication year - 2015

Publication title -

genetics and epigenetics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.38

H-Index - 10

ISSN - 1179-237X

DOI - 10.4137/geg.s29696

Subject(s) - epigenetics , biology , immune dysregulation , nod , proinflammatory cytokine , type 1 diabetes , phenotype , stat5 , gene , immunology , genetics , immune system , diabetes mellitus , endocrinology , inflammation

In Type 1 diabetic (T1D) human monocytes, STAT5 aberrantly binds to epigenetic regulatory sites of two proinflammatory genes, CSF2 (encoding granulocyte-macrophage colony-stimulating factor) and PTGS2 (encoding prostaglandin synthase 2/cyclooxygenase 2). Bicongenic B6.NOD C11bxC1tb mice re-create this phenotype of T1D monocytes with only two nonobese diabetic (NOD) Idd subloci (130.8 Mb-149.7 Mb, of Idd5 on Chr 1 and 32.08-53.85 Mb of Idd4.3 on Chr11) on C57BL/6 genetic background. These two Idd loci interact through STAT5 binding at upstream regulatory regions affecting Csf2 (Chr 11) and Ptgs2 (Chr 1) expression. B6.NODC11bxC1tb mice exhibited hyperglycemia and immune destruction of pancreatic islets between 8 and 30 weeks of age, with 12%-22% penetrance. Thus, B6.NODC11bxC1tb mice embody NOD epigenetic dysregulation of gene expression in myeloid cells, and this defect appears to be sufficient to impart genetic susceptibility to diabetes in an otherwise genetically nonautoimmune mouse.

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