Abstract:
:We studied the relationship between the HLA specificities associated with multiple sclerosis (MS) susceptibility in southern Italy and the reactivity of the human myelin basic protein (hMBP) immunogenic peptides 84-98 and 143-168, using short-term T-cell lines established from 9 MS patients and from 8 healthy individuals. In our population, DR15 was significantly associated with MS (34.9% in MS versus 13.7% in healthy controls, P < 0.05). This result is in agreement with the association found in northern Europe, but not with data obtained in a population from the island of Sardinia (Italy). In MS patients the frequency of reactive T-cell lines (TCL), tested for fine specificity against the immunodominant hMBP peptides 84-98 and 143-168, was increased for the hMBP 143-168 peptide (P < 0.05) but not for the 84-98 peptide. Although this reactivity was higher in DR15+ MS patients than in DR 15- MS patients, it seemed not to be associated with DR15 specificity in the MS population. Furthermore, there were no significant differences in frequency of reactive TCL to hMBP peptide 84-98 in DR15-positive or DR15-negative MS patients. Consequently, it appears that peptide 84-98, considered as a relevant autoantigen, is not implicated in the pathogenesis of MS in our population from southern Italy.
journal_name
Clin Exp Immunoljournal_title
Clinical and experimental immunologyauthors
Montanaro D,Sanna V,Matarese G,Larby BB,Racioppi L,Carrieri PB,Bruno R,Davey NJ,Zappacosta S,Fontana Sdoi
10.1046/j.1365-2249.2001.01457.xsubject
Has Abstractpub_date
2001-02-01 00:00:00pages
288-93issue
2eissn
0009-9104issn
1365-2249pii
cei1457journal_volume
123pub_type
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