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Profiling of Original Cellular and Humoral Biomarkers of Type 1 Diabetes

2014-08-27 03:16:54 | BioPortfolio

Summary

The "Lymphoscreen" study aims to characterize precisely (phenotypes/cytokines/functions) CD8+ T cell responses in type 1 Diabetes to identify biomarkers of the disease. Such markers are needed for refine type 1 Diabetes diagnosis/prognostic, and to design new therapeutic approaches targeting autoreactive CD8+ T cells. An original approach using DNA immunization of humanized mice allowed us to identify relevant CD8 epitopes derived from GAD65 and IA-2 beta cell autoantigens. The aims are: (i) identifying exhaustively epitopes recognized by autoreactive CD8+ T lymphocytes in type 1 Diabetes and following islet or pancreas graft in humans; (ii) identifying pathogenic CD8+ T cell patterns or profiles related to type 1 Diabetes pathogenesis and evolution; (iii) correlating CD8+ autoreactive T cell responses and autoantibody responses to new cellular (such as CD4+ T cells or peripheral cell miRNA) or humoral markers of the disease (such as serum miRNA).

Study Design

Allocation: Non-Randomized, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Basic Science

Conditions

Type 1 Diabetes

Intervention

Blood samplings

Location

CHU de Nantes
Nantes
France
44093

Status

Active, not recruiting

Source

Nantes University Hospital

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:16:54-0400

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Medical and Biotech [MESH] Definitions

The time period before the development of symptomatic diabetes. For example, certain risk factors can be observed in subjects who subsequently develop INSULIN RESISTANCE as in type 2 diabetes (DIABETES MELLITUS, TYPE 2).

A subclass of DIABETES MELLITUS that is not INSULIN-responsive or dependent (NIDDM). It is characterized initially by INSULIN RESISTANCE and HYPERINSULINEMIA; and eventually by GLUCOSE INTOLERANCE; HYPERGLYCEMIA; and overt diabetes. Type II diabetes mellitus is no longer considered a disease exclusively found in adults. Patients seldom develop KETOSIS but often exhibit OBESITY.

Conditions or pathological processes associated with the disease of diabetes mellitus. Due to the impaired control of BLOOD GLUCOSE level in diabetic patients, pathological processes develop in numerous tissues and organs including the EYE, the KIDNEY, the BLOOD VESSELS, and the NERVE TISSUE.

A severe type of hyperlipidemia, sometimes familial, that it is characterized by the elevation of both plasma CHYLOMICRONS and TRIGLYCERIDES contained in VERY-LOW-DENSITY LIPOPROTEINS. Type V hyperlipoproteinemia is often associated with DIABETES MELLITUS and is not caused by reduced LIPOPROTEIN LIPASE activity as in HYPERLIPOPROTEINEMIA TYPE I .

Urination of a large volume of urine with an increase in urinary frequency, commonly seen in diabetes (DIABETES MELLITUS; DIABETES INSIPIDUS).

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