Preproinsulin specific CD8+ T cells in subjects with latent autoimmune diabetes show lower frequency and different pathophysiological characteristics than those with type 1 diabetes

Copyright © 2015 Elsevier Inc. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 157(2015), 1 vom: 19. März, Seite 78-90
1. Verfasser: Sachdeva, Naresh (VerfasserIn)
Weitere Verfasser: Paul, Mahinder, Badal, Darshan, Kumar, Rajendra, Jacob, Neenu, Dayal, Devi, Bhansali, Anil, Arora, Sunil Kumar, Bhadada, Sanjay Kumar
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article Research Support, Non-U.S. Gov't CD8+ T cells Dextramers Latent autoimmune diabetes in adults Preproinsulin Type 1 diabetes Insulin Protein Precursors preproinsulin 61116-24-3
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245 1 0 |a Preproinsulin specific CD8+ T cells in subjects with latent autoimmune diabetes show lower frequency and different pathophysiological characteristics than those with type 1 diabetes 
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520 |a Latent autoimmune diabetes in adults (LADA) resembles type 1 diabetes (T1D) in disease presentation except that its onset is slow. We compared pathophysiological characteristics of CD8+ T cells recognizing preproinsulin (PPI) derived epitopes in both disease groups using MHC-I dextramers (DMRs) in peripheral blood and after in-vitro stimulation with PPI. Subjects with T1D harbored higher frequency of DMR+ CD8+ T cells with relatively higher frequency of effector T cell subsets. Following stimulation with PPI, an increase in DMR+ CD8+ T cells, particularly the central-memory subset was observed in T1D group, whereas no significant change in DMR+ CD8+ T cell subsets was observed in LADA group. Intracellular expression of Granzyme-B and Perforin in DMR+ CD8+ T cells was comparable in both the groups. In conclusion, lower frequency and inferior proliferative potential on account of a relatively restrained central-memory subset of PPI specific CD8+ T cells are associated with slow rate of disease progression in LADA 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a CD8+ T cells 
650 4 |a Dextramers 
650 4 |a Latent autoimmune diabetes in adults 
650 4 |a Preproinsulin 
650 4 |a Type 1 diabetes 
650 7 |a Insulin  |2 NLM 
650 7 |a Protein Precursors  |2 NLM 
650 7 |a preproinsulin  |2 NLM 
650 7 |a 61116-24-3  |2 NLM 
700 1 |a Paul, Mahinder  |e verfasserin  |4 aut 
700 1 |a Badal, Darshan  |e verfasserin  |4 aut 
700 1 |a Kumar, Rajendra  |e verfasserin  |4 aut 
700 1 |a Jacob, Neenu  |e verfasserin  |4 aut 
700 1 |a Dayal, Devi  |e verfasserin  |4 aut 
700 1 |a Bhansali, Anil  |e verfasserin  |4 aut 
700 1 |a Arora, Sunil Kumar  |e verfasserin  |4 aut 
700 1 |a Bhadada, Sanjay Kumar  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Clinical immunology (Orlando, Fla.)  |d 1999  |g 157(2015), 1 vom: 19. März, Seite 78-90  |w (DE-627)NLM098196855  |x 1521-7035  |7 nnas 
773 1 8 |g volume:157  |g year:2015  |g number:1  |g day:19  |g month:03  |g pages:78-90 
856 4 0 |u http://dx.doi.org/10.1016/j.clim.2015.01.005  |3 Volltext 
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