The identification of novel autoantigens by means of serological screening of a cDNA expression library constructed from multiple sclerosis brain tissues
Thesis (M.Sc.)--Memorial University of Newfoundland, 1999. Medicine Bibliography: leaves 156-206 Multiple sclerosis is the most common demyelinating disease of the central nervous system. It typically affects young adults, and as with many autoimmune diseases, MS affects more women than men. -- A la...
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ftmemorialunivdc:oai:collections.mun.ca:theses3/165875 2023-05-15T17:23:32+02:00 The identification of novel autoantigens by means of serological screening of a cDNA expression library constructed from multiple sclerosis brain tissues Green, Melanie Leslie Dawn, 1973- Memorial University of Newfoundland. Faculty of Medicine 1999 xi, 206 leaves : ill. Image/jpeg; Application/pdf http://collections.mun.ca/cdm/ref/collection/theses3/id/165875 eng eng Electronic Theses and Dissertations (25.16 MB) -- http://collections.mun.ca/PDFs/theses/Green_MelanieLeslieDawn.pdf a1392083 http://collections.mun.ca/cdm/ref/collection/theses3/id/165875 The author retains copyright ownership and moral rights in this thesis. Neither the thesis nor substantial extracts from it may be printed or otherwise reproduced without the author's permission. Paper copy kept in the Centre for Newfoundland Studies, Memorial University Libraries Multiple sclerosis--Immunological aspects Multiple sclerosis--Etiology Antigen-antibody reactions Multiple Sclerosis--immunology Autoantigens RNA Text Electronic thesis or dissertation 1999 ftmemorialunivdc 2015-08-06T19:20:24Z Thesis (M.Sc.)--Memorial University of Newfoundland, 1999. Medicine Bibliography: leaves 156-206 Multiple sclerosis is the most common demyelinating disease of the central nervous system. It typically affects young adults, and as with many autoimmune diseases, MS affects more women than men. -- A large number of studies have concentrated on the identification of the antigen(s) responsible for inciting MS, but the "causative agent(s)" has yet to be found Some of these studies demonstrated that T and B lymphocytes isolated from MS patients are reactive with autoantigens, such as myelin basic protein, myelin oligodendrocyte protein, proteolipid protein, and myelin associated protein, and with viruses, such as Epstein-Barr virus, measles, and varicella-zoster. However, a role for any of these antigens in the initiation of multiple sclerosis has not yet been established -- This study was undertaken as an attempt to identify potential autoantigens in multiple sclerosis by using a modification of the SEREX (serological identification of antigens by recombinant expression cloning) technique developed by Sahin et al. (1995). This technique, unlike many of the techniques previously used by investigators to identify autoantigens in MS, makes no α priori assumptions as to the identity of the autoantigen. Messenger RNA was isolated from multiple sclerosis brain tissues and used to construct a cDNA library in a lambda phage vector. This vector was transfected into Escherichia colU protein expression was induced with isopropyl β-D-thiogalactopyranoside, and the proteins were transferred to nitrocellulose membranes. The membranes were screened with patients5 sera and positive clones were detected with a color reaction which recognizes IgG in patients' sera bound to the recombinant protein. Positive clones were subcloned to clonality and sequenced, and the sequences compared with DNA and RNA sequences in various databases. Three positive clones were used as probes in Northern blotting experiments to determine their relative expression levels in various tissues. One of these clones was identified as testican, the other two appear to be related gene products of the clone F4 transmembrane protein and KIAA0530. Thesis Newfoundland studies University of Newfoundland Memorial University of Newfoundland: Digital Archives Initiative (DAI) Lambda ENVELOPE(-62.983,-62.983,-64.300,-64.300) |
institution |
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collection |
Memorial University of Newfoundland: Digital Archives Initiative (DAI) |
op_collection_id |
ftmemorialunivdc |
language |
English |
topic |
Multiple sclerosis--Immunological aspects Multiple sclerosis--Etiology Antigen-antibody reactions Multiple Sclerosis--immunology Autoantigens RNA |
spellingShingle |
Multiple sclerosis--Immunological aspects Multiple sclerosis--Etiology Antigen-antibody reactions Multiple Sclerosis--immunology Autoantigens RNA Green, Melanie Leslie Dawn, 1973- The identification of novel autoantigens by means of serological screening of a cDNA expression library constructed from multiple sclerosis brain tissues |
topic_facet |
Multiple sclerosis--Immunological aspects Multiple sclerosis--Etiology Antigen-antibody reactions Multiple Sclerosis--immunology Autoantigens RNA |
description |
Thesis (M.Sc.)--Memorial University of Newfoundland, 1999. Medicine Bibliography: leaves 156-206 Multiple sclerosis is the most common demyelinating disease of the central nervous system. It typically affects young adults, and as with many autoimmune diseases, MS affects more women than men. -- A large number of studies have concentrated on the identification of the antigen(s) responsible for inciting MS, but the "causative agent(s)" has yet to be found Some of these studies demonstrated that T and B lymphocytes isolated from MS patients are reactive with autoantigens, such as myelin basic protein, myelin oligodendrocyte protein, proteolipid protein, and myelin associated protein, and with viruses, such as Epstein-Barr virus, measles, and varicella-zoster. However, a role for any of these antigens in the initiation of multiple sclerosis has not yet been established -- This study was undertaken as an attempt to identify potential autoantigens in multiple sclerosis by using a modification of the SEREX (serological identification of antigens by recombinant expression cloning) technique developed by Sahin et al. (1995). This technique, unlike many of the techniques previously used by investigators to identify autoantigens in MS, makes no α priori assumptions as to the identity of the autoantigen. Messenger RNA was isolated from multiple sclerosis brain tissues and used to construct a cDNA library in a lambda phage vector. This vector was transfected into Escherichia colU protein expression was induced with isopropyl β-D-thiogalactopyranoside, and the proteins were transferred to nitrocellulose membranes. The membranes were screened with patients5 sera and positive clones were detected with a color reaction which recognizes IgG in patients' sera bound to the recombinant protein. Positive clones were subcloned to clonality and sequenced, and the sequences compared with DNA and RNA sequences in various databases. Three positive clones were used as probes in Northern blotting experiments to determine their relative expression levels in various tissues. One of these clones was identified as testican, the other two appear to be related gene products of the clone F4 transmembrane protein and KIAA0530. |
author2 |
Memorial University of Newfoundland. Faculty of Medicine |
format |
Thesis |
author |
Green, Melanie Leslie Dawn, 1973- |
author_facet |
Green, Melanie Leslie Dawn, 1973- |
author_sort |
Green, Melanie Leslie Dawn, 1973- |
title |
The identification of novel autoantigens by means of serological screening of a cDNA expression library constructed from multiple sclerosis brain tissues |
title_short |
The identification of novel autoantigens by means of serological screening of a cDNA expression library constructed from multiple sclerosis brain tissues |
title_full |
The identification of novel autoantigens by means of serological screening of a cDNA expression library constructed from multiple sclerosis brain tissues |
title_fullStr |
The identification of novel autoantigens by means of serological screening of a cDNA expression library constructed from multiple sclerosis brain tissues |
title_full_unstemmed |
The identification of novel autoantigens by means of serological screening of a cDNA expression library constructed from multiple sclerosis brain tissues |
title_sort |
identification of novel autoantigens by means of serological screening of a cdna expression library constructed from multiple sclerosis brain tissues |
publishDate |
1999 |
url |
http://collections.mun.ca/cdm/ref/collection/theses3/id/165875 |
long_lat |
ENVELOPE(-62.983,-62.983,-64.300,-64.300) |
geographic |
Lambda |
geographic_facet |
Lambda |
genre |
Newfoundland studies University of Newfoundland |
genre_facet |
Newfoundland studies University of Newfoundland |
op_source |
Paper copy kept in the Centre for Newfoundland Studies, Memorial University Libraries |
op_relation |
Electronic Theses and Dissertations (25.16 MB) -- http://collections.mun.ca/PDFs/theses/Green_MelanieLeslieDawn.pdf a1392083 http://collections.mun.ca/cdm/ref/collection/theses3/id/165875 |
op_rights |
The author retains copyright ownership and moral rights in this thesis. Neither the thesis nor substantial extracts from it may be printed or otherwise reproduced without the author's permission. |
_version_ |
1766113166895349760 |