Object's details: Oral administration of Lactococcus lactis expressing synthetic genes of myelin antigens in decreasing experimental autoimmune encephalomyelitis in rats

Provider:Repozytorium Instytutu Biochemii i Biofizyki Polskiej Akademii Nauk

Description

Title:
Oral administration of Lactococcus lactis expressing synthetic genes of myelin antigens in decreasing experimental autoimmune encephalomyelitis in rats
Creator:
Kasarello, Kaja;
Kwiatkowska-Patzer, Barbara;
Lipkowski, Andrzej;
Bardowski, Jacek K.;
Szczepankowska, Agnieszka K.
Description:
ABSTRACT Background: Multiple sclerosis is a human autoimmunological disease that causes neurodegeneration. One of the potential ways to stop its development is induction of oral tolerance, whose effect lies in decreasing immune response to the fed antigen. It was shown on animal models that administration of specific epitopes of the three main myelin proteins, myelin oligodendrocyte glycoprotein (MOG), myelin basic protein (MBP) and proteolipid protein (PLP) results in induction of oral tolerance and suppression of disease symptoms. Application of bacterial cells to produce and deliver antigens to gut mucosa seems to be an attractive method for oral tolerance induction in treatment of diseases with autoimmune background. Material/Methods: Synthetic genes of MOG35-55, MBP85-97 and PLP139-151 myelin epitopes were generated and cloned in Lactococcus lactis under a CcpA-regulated promoter. The tolerogenic effect of bacterial preparations was tested on experimental autoimmune encephalomyelitis, the animal model of MS. EAE was induced in rats by intradermal injection of guinea pig homogenate into hind paws. Results: Rats were administered preparations containing whole-cell lysates of L. lactis producing myelin antigens using different feeding schemes. Our study demonstrates that 20-fold, but not 4-fold, intragastric administration of autoantigen-expressing L. lactis cells under specific conditions reduces the clinical symptoms of EAE in rats. Conclusions: The present study evaluates the use of myelin antigens produced in L. lactis in inhibiting the on-set of experimental autoimmune encephalomyelitis in rats. Obtained results indicate that application of such recombinant cells can be an attractive method of oral tolerance induction.
Object availability:
free access
Date:
2015
Type:
Article;
PeerReviewed
Language:
English
Format:
application/pdf
Publisher:
International Scientific Information, Inc.
Relation: http://eprints.ibb.waw.pl/1320
Subject:
QR Microbiology;
RA Public aspects of medicine;
RM Therapeutics. Pharmacology
Identifier: http://eprints.ibb.waw.pl/1320/1/medscimonit-21-1587.pdf ;
Kasarello, Kaja and Kwiatkowska-Patzer, Barbara and Lipkowski, Andrzej and Bardowski, Jacek K. and Szczepankowska, Agnieszka K. (2015) Oral administration of Lactococcus lactis expressing synthetic genes of myelin antigens in decreasing experimental autoimmune encephalomyelitis in rats. Medical Science Monitor, 21 . pp. 1587-1597. ISSN 1234-1010
Data provider:
Repozytorium Instytutu Biochemii i Biofizyki Polskiej Akademii Nauk

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Object's details: Oral administration of Lactococcus lactis expressing synthetic genes of myelin antigens in decreasing experimental autoimmune encephalomyelitis in rats

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