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Membrane-expressed InsB15-23 H-2Kd dtSCT can reduce morbidity of type 1 diabetes mellitus in NOD mice / 中国免疫学杂志
Chinese Journal of Immunology ; (12): 48-51, 2015.
Article in Chinese | WPRIM | ID: wpr-458473
ABSTRACT

Objective:

To illuminate the influence of InsB15-23 H-2Kd dtSCT to the morbidity of type 1 diabetes mellitus in NOD mice.

Methods:

An eukaryotic plasmid encoded membrane-expressed InsB15-23 H-2Kd dtSCT was inoculated into 3 weeks old female NOD mice subcutaneously and the blood sugar and morbidity of type 1 diabetes mellitus were monitored once a week.To illuminate the cellular mechanism of immunologic intervention of membrane-expressed InsB15-23 H-2Kd dtSCT to the course of type 1 diabetes mellitus in NOD mice,the mononuclear cell infiltration of islets was detected by tissue slice and the frequency of IGRP206 2-14 specific CTLs in PBMC was analyzed by FACs.

Results:

As compared with pcDNA3.1 (-) control ( 60%) and untreated NOD mice ( 80%) , mice immunized with InsB15-23 H-2Kd dtSCT exhibited low level of islet infiltration and low morbidity in 30 weeks old ( 9%) .But the frequency of IGRP206-214 specific CTLs in PBMC of 16 and 40 weeks old mice showed no difference.

Conclusion:

Membrane-expressed InsB15-23 H-2Kd dtSCT can protect NOD mice from type 1 diabetes mellitus in IGRP206-214 independent pattern.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Immunology Year: 2015 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Immunology Year: 2015 Type: Article