Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
Egger, G; Aglas, F; Rainer, F.
Blood polymorphonuclear leukocyte migratory activities during rheumatoid arthritis.
INFLAMMATION. 1995; 19(6): 651-667.
Doi: 10.1007%2FBF01534569
Web of Science
PubMed
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- Führende Autor*innen der Med Uni Graz
- Egger Gerd
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- Abstract:
- Blood polymorphonuclear leukocyte (PMN) migratory activity was investigated in adult rheumatoid arthritis (RA) patients and in healthy control subjects using fresh whole blood in a novel membrane filter assay. The PMNs migrated under FMLP stimulation and under blank control conditions (spontaneous migration). Essential evaluation criteria were the percentage of PMNs that migrated from the entire blood sample into the filters (TMI) and the penetration depth of the migrating cell bulk into the filters (DC). PMNs from healthy subjects penetrate deeper under FMLP stimulation than under blank control conditions. Migration depends on age and sex: the TMI decreases, while the DC and the reactivity towards FMLP increase with age. FMLP triggers a stronger DC reaction in females than in males. Compared with healthy subjects, patients with RA develop an increased PMN reaction, whereas FMLP inhibits migration in comparison with the blank controls. There is no correlation between disease activity estimated by joint functions and PMN migratory activity, while there are strong correlations between disease activity and the classical RA laboratory parameters WBC, platelets, BSR, CRP, hemoglobin and rheumatoid factor. PMNs therefore probably do not play a major role in joint injury. Gold therapy inhibits DC reactivity. PMN migration in RA differs markedly from the reactions in juvenile rheumatoid arthritis, where high disease activity is associated with high PMN migratory activity, and the correlations between classical laboratory parameters and disease activity follow other patterns than in RA.
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