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LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00004361naa a2200529 4500
001oai:DiVA.org:liu-93379
003SwePub
008130531s2013 | |||||||||||000 ||eng|
024a https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-933792 URI
024a https://doi.org/10.1111/cei.120782 DOI
040 a (SwePub)liu
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Pihl, Mikaelu Linköpings universitet,Pediatrik,Hälsouniversitetet4 aut0 (Swepub:liu)mikpi27
2451 0a Regulatory T cell phenotype and function 4 years after GAD–alum treatment in children with type 1 diabetes
264 c 2013-04-18
264 1b Wiley-Blackwell,c 2013
338 a electronic2 rdacarrier
500 a Funding Agencies|Swedish Research Council|K2008-55x-20652-01-3|Swedish Child Diabetes Foundation (Barndiabetesfonden)||Medical Research Council of Southeast Sweden||JDRF|1-2008-106|Ile-de-France CODDIM||Inserm Avenir Program||
520 a Glutamic acid decarboxylase (GAD)65 formulated with aluminium hydroxide (GAD-alum) was effective in preserving insulin secretion in a Phase II clinical trial in children and adolescents with recent-onset type 1 diabetes. In addition, GAD-alum treated patients increased CD4+CD25hi forkhead box protein 3+ (FoxP3+) cell numbers in response to in-vitro GAD65 stimulation. We have carried out a 4-year follow-up study of 59 of the original 70 patients to investigate long-term effects on the frequency and function of regulatory T cells after GAD-alum treatment. Peripheral blood mononuclear cells were stimulated in vitro with GAD65 for 7 days and expression of regulatory T cell markers was measured by flow cytometry. Regulatory T cells (CD4+CD25hiCD127lo) and effector T cells (CD4+CD25–CD127+) were further sorted, expanded and used in suppression assays to assess regulatory T cell function after GAD-alum treatment. GAD-alum-treated patients displayed higher frequencies of in-vitro GAD65-induced CD4+CD25+CD127+ as well as CD4+CD25hiCD127lo and CD4+FoxP3+ cells compared to placebo. Moreover, GAD65 stimulation induced a population of CD4hi cells consisting mainly of CD25+CD127+, which was specific of GAD-alum-treated patients (16 of 25 versus one of 25 in placebo). Assessment of suppressive function in expanded regulatory T cells revealed no difference between GAD-alum- and placebo-treated individuals. Regulatory T cell frequency did not correlate with C-peptide secretion throughout the study. In conclusion, GAD-alum treatment induced both GAD65-reactive CD25+CD127+ and CD25hiCD127lo cells, but no difference in regulatory T cell function 4 years after GAD-alum treatment.
653 a CD4 T cells (T helper
653 a Th0
653 a Th1
653 a Th2
653 a Th3
653 a Th17)
653 a diabetes
653 a immune regulation
653 a regulatory T cells (Treg)
653 a therapy/immunotherapy
653 a MEDICINE
653 a MEDICIN
700a Åkerman, Lindau Linköpings universitet,Pediatrik,Hälsouniversitetet4 aut0 (Swepub:liu)linak20
700a Axelsson, Stinau Linköpings universitet,Pediatrik,Hälsouniversitetet4 aut0 (Swepub:liu)stiax77
700a Chéramy, Mikaelu Linköpings universitet,Pediatrik,Hälsouniversitetet4 aut0 (Swepub:liu)mikch88
700a Hjorth, Mariau Linköpings universitet,Pediatrik,Hälsouniversitetet4 aut0 (Swepub:liu)marhe44
700a Mallone, R.u St Vincent Paul Hospital, France4 aut
700a Ludvigsson, Johnnyu Östergötlands Läns Landsting,Linköpings universitet,Pediatrik,Hälsouniversitetet,Barn- och ungdomskliniken i Linköping4 aut0 (Swepub:liu)johlu29
700a Casas, Rosaurau Linköpings universitet,Pediatrik,Hälsouniversitetet4 aut0 (Swepub:liu)rosca56
710a Linköpings universitetb Pediatrik4 org
773t Clinical and Experimental Immunologyd : Wiley-Blackwellg 172:3, s. 394-402q 172:3<394-402x 0009-9104x 1365-2249
856u https://liu.diva-portal.org/smash/get/diva2:624505/FULLTEXT01.pdfx primaryx Raw objecty fulltext:preprint
856u https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3646438
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-93379
8564 8u https://doi.org/10.1111/cei.12078

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