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  • 1
    Electronic Resource
    Electronic Resource
    Genetic association studies of tumour necrosis factor α and β and tumour necrosis factor receptor 1 and 2 polymorphisms across the clinical spectrum of multiple sclerosis (1999)
    Springer
    Journal of neurology 246 (1999), S. 1051-1058 
    Details
    ISSN: 1432-1459
    Keywords: Key words Multiple sclerosis ; Primary progressive ; Tumour ; necrosis factor ; Tumour necrosis factor receptor ; Association studies
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Allelic association studies with microsatellite markers around the tumour-necrosis factor (TNF) genes have demonstrated significantly different allele distributions of TNF markers (a and b) between relapsing-remitting/secondary progressive multiple sclerosis (MS) (RR/SPMS) patients and normal controls. Considering the suspected genetic and immunological heterogeneity in MS, we tested this association in primary progressive MS (PPMS) patients. Elevated levels of serum soluble TNF receptors (sTNF-R) are reported in patients with gadolinium enhancing lesions, and animal models suggest a possible therapeutic role of sTNF-RI in MS. Thus we performed similar association studies using markers for the TNF-R genes. Gene association studies were carried out on 199–216 normal controls, 174 RR/SPMS patients and 102 PPMS patients using polymorphic dinucleotide repeat TNF markers (a, b and d), and separate markers for TNF-RI and TNF-RII. Forward primers were fluorescently labelled, polymerase chain reaction (PCR) products were analysed on a fluorescent fragment analyser, and Genescan 672 software was used for allele sizing. Samples were typed for HLA-DR antigens using PCR technology and sequence-specific oligonucleotide probes. TNFa marker allele distributions differed significantly between PPMS patients and controls (P = 0.028), largely attributable to an increase in the 118-bp TNFa allele in PPMS patients (P = 0.00024). Allele distributions were similar in PPMS and RR/SPMS patients (P = 0.91). Logistic regression analysis, however, indicated that these associations were not independent of that with HLA-DRB1*15. For the TNFb marker, the 127-bp allele showed association with both patient categories (PPMS vs. controls, P = 0.010; RR/SPMS vs. controls, P = 0.027), whilst the 128-bp allele occurred more frequently in controls (PPMS vs. controls, P = 0.036: RR/SPMS vs. controls, P = 0.0009). As with the TNFa 118 bp allele, the association with TNFb was not independent of the HLA association. No association occurred with the TNFd marker, and there were also no significant differences in allele frequencies between MS groups and controls regarding the marker for TNF-RI or TNF-RII. In Northern Irish patients the TNF contribution to MS genetic susceptibility is therefore similar across the clinical spectrum of the disease but is not independent of the association with HLA-DRB1*15.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004150050511
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Serum soluble adhesion molecules in multiple sclerosis: raised sVCAM-1, sICAM-1 and sE-selectin in primary progressive disease (1999)
    Springer
    Journal of neurology 246 (1999), S. 87-92 
    Details
    ISSN: 1432-1459
    Keywords: Key words Primary progressive ; Multiple sclerosis ; Soluble vascular cell adhesion molecule-1 ; Soluble intercellular adhesion molecule-1 ; Soluble E-selectin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Leucocyte invasion into the central nervous system in multiple sclerosis (MS) is complex, involving T-cell/endothelium interaction dependent upon initial adhesion mediated by molecules such as E-selectin, L-selectin, intracellular adhesion molecule-1 (ICAM-1) and vascular cell adhesion molecule-1 (VCAM-1). Circulating levels of these can be measured by sensitive enzyme-linked immunoassay (ELISA) techniques. To assess whether serum concentrations of soluble adhesion molecules vary across the spectrum of patients with relapsing-remitting (RR), secondary progressive (SP) and primary progressive (PP) MS, we measured circulating levels of soluble (s)E-selectin, sL-selectin, sICAM-1 and sVCAM-1 in serum obtained from 78 PPMS patients, 71 patients with RRMS, 65 patients with SPMS and 66 patients with other neurological disease using commercially available ELISA systems. Levels of serum sVCAM-1 were significantly elevated in PPMS compared with RRMS in remission (P = 0.0001) and in relapse (P = 0.0001), whilst sICAM-1 was significantly elevated in PPMS compared with all other MS groups (vs SPMS, P = 0.006; vs RRMS in relapse, P = 0.003; vs RRMS in remission, P = 0.0001). Serum sE-selectin levels were significantly higher in PPMS compared with all other groups except inflammatory neurological disease (IND) [vs SPMS, P = 0.029; vs RRMS in relapse, P = 0.002; vs RRMS in remission, P = 0.001; vs non-inflammatory neurological disease (NIND), P = 0.002; vs IND, P = 0.076]. In PPMS there was no correlation between levels of any adhesion molecule and disability or disease duration. These results provide evidence for significant immunological heterogeneity in MS and suggest that different leucocyte/endothelial cell interactions may be active in various MS subgroups. It also challenges the hypothesis that PPMS is a less inflammatory form of the disease.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004150050313
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Issues of medical management in adults with spina bifida (2000)
    Springer
    Child's nervous system 16 (2000), S. 222-227 
    Details
    ISSN: 1433-0350
    Keywords: Key words Spina bifida ; Hydrocephalus ; Meningomyelocele ; Adults ; Clinics ; Disability
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  The objective of this study was to establish the range of medical issues among those attending a clinic for adults with spina bifida (SB) and hydrocephalus (CASBAH). Owing to improvements in medical care in the past 3–4 decades, an increasing number of SB patients go on to prosper in adult life. Since 1990 there has been a CASBAH service in Belfast serving Northern Ireland on a regional basis. There are now 237 patients with SB remaining on the live register at CASBAH. All records were reviewed with regard to site of lesion, ambulatory ability, shunt placement and regularity of attendance. The records of 193 were also reviewed with reference to musculoskeletal problems, bladder function, bowel function, renal impairment and hypertension, skin breakdown, epilepsy and the incidence of clinically significant Chiari/hydrosyringomyelia. Of the patients on the register, 36% are wheelchair dependent, 8% have some ambulatory capacity but are largely wheelchair dependent, 22% are ambulatory with aid and 34% are independently ambulatory. Bladder function is normal in 8%, whilst 32% describe normal bowel function. Renal impairment is present in 48% of patients, and 15% are on anti-hypertensive therapy. Epilepsy is an active issue in 9%, and intraventricular shunts are in situ in 37% of patients. Scoliosis is present in 50% and 70% have joint deformities or contractures. Five patients have become symptomatic from the Chiari/hydrosyringomyelia complex. These data reflect the considerable range of disability in adult SB patients, the challenges presented in long-term management and the need for organised follow-up.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003810050502
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    Paper (German National Licenses)
    Fulltext
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