Pancreatic ductal cell antigens are important in the development of invasive insulitis in Non-Obese Diabetic mice. 2019

Abhirup Jayasimhan, and Darcy P Ellis, and Alexandra I Ziegler, and Robyn M Slattery
Department of Immunology and Pathology, Monash University, Melbourne, Australia. Electronic address: abhirup.abhirupjayasimhan@monash.edu.

Type 1 Diabetes (T1D) is an autoimmune disease in which insulin producing beta cells of the pancreas are selectively destroyed. Glial Fibrillary Acidic Protein (GFAP) expressed in peri-islet Schwann cells (pSCs) and in the ductal cells of the pancreas is one of the candidate autoantigens for T1D. Immune responses to GFAP expressing cell types precede the islet autoimmunity in Non-Obese Diabetic (NOD) mice. By removing MHC class I from GFAP expressing cell types, we tested the role of autoantigens presented by these cell types in the development of invasive insulitis. Our findings indicate that antigens expressed by pancreatic ductal cells are important in the development of invasive insulitis in NOD mice.

UI MeSH Term Description Entries
D007515 Islets of Langerhans Irregular microscopic structures consisting of cords of endocrine cells that are scattered throughout the PANCREAS among the exocrine acini. Each islet is surrounded by connective tissue fibers and penetrated by a network of capillaries. There are four major cell types. The most abundant beta cells (50-80%) secrete INSULIN. Alpha cells (5-20%) secrete GLUCAGON. PP cells (10-35%) secrete PANCREATIC POLYPEPTIDE. Delta cells (~5%) secrete SOMATOSTATIN. Islands of Langerhans,Islet Cells,Nesidioblasts,Pancreas, Endocrine,Pancreatic Islets,Cell, Islet,Cells, Islet,Endocrine Pancreas,Islet Cell,Islet, Pancreatic,Islets, Pancreatic,Langerhans Islands,Langerhans Islets,Nesidioblast,Pancreatic Islet
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001324 Autoantigens Endogenous tissue constituents with the ability to interact with AUTOANTIBODIES and cause an immune response. Autoantigen,Autologous Antigen,Autologous Antigens,Self-Antigen,Self-Antigens,Antigen, Autologous,Antigens, Autologous,Self Antigen,Self Antigens
D015551 Autoimmunity Process whereby the immune system reacts against the body's own tissues. Autoimmunity may produce or be caused by AUTOIMMUNE DISEASES. Autoimmune Response,Autoimmune Responses,Autoimmunities
D016688 Mice, Inbred NOD A strain of non-obese diabetic mice developed in Japan that has been widely studied as a model for T-cell-dependent autoimmune insulin-dependent diabetes mellitus in which insulitis is a major histopathologic feature, and in which genetic susceptibility is strongly MHC-linked. Non-Obese Diabetic Mice,Mice, NOD,Mouse, Inbred NOD,Mouse, NOD,Non-Obese Diabetic Mouse,Nonobese Diabetic Mice,Nonobese Diabetic Mouse,Diabetic Mice, Non-Obese,Diabetic Mice, Nonobese,Diabetic Mouse, Non-Obese,Diabetic Mouse, Nonobese,Inbred NOD Mice,Inbred NOD Mouse,Mice, Non-Obese Diabetic,Mice, Nonobese Diabetic,Mouse, Non-Obese Diabetic,Mouse, Nonobese Diabetic,NOD Mice,NOD Mice, Inbred,NOD Mouse,NOD Mouse, Inbred,Non Obese Diabetic Mice,Non Obese Diabetic Mouse
D051379 Mice The common name for the genus Mus. Mice, House,Mus,Mus musculus,Mice, Laboratory,Mouse,Mouse, House,Mouse, Laboratory,Mouse, Swiss,Mus domesticus,Mus musculus domesticus,Swiss Mice,House Mice,House Mouse,Laboratory Mice,Laboratory Mouse,Mice, Swiss,Swiss Mouse,domesticus, Mus musculus
D018345 Mice, Knockout Strains of mice in which certain GENES of their GENOMES have been disrupted, or "knocked-out". To produce knockouts, using RECOMBINANT DNA technology, the normal DNA sequence of the gene being studied is altered to prevent synthesis of a normal gene product. Cloned cells in which this DNA alteration is successful are then injected into mouse EMBRYOS to produce chimeric mice. The chimeric mice are then bred to yield a strain in which all the cells of the mouse contain the disrupted gene. Knockout mice are used as EXPERIMENTAL ANIMAL MODELS for diseases (DISEASE MODELS, ANIMAL) and to clarify the functions of the genes. Knockout Mice,Mice, Knock-out,Mouse, Knockout,Knock-out Mice,Knockout Mouse,Mice, Knock out

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