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1.
001-es BibID:
BIBFORM007075
Első szerző:
Novák János
Cím:
Elevated levels of anti-Helicobacter pylori antibodies in Henoch-Schonlein purpura / Novak, J., Szekanecz, Z., Sebesi, J., Takats, A., Demeter, P., Bene, L., Sipka, S., Csiki, Z.
Dátum:
2003
ISSN:
0891-6934 (Print)
Megjegyzések:
Henoch-Schonlein purpura (HSP) is a systemic vasculitis characterized by IgA-containing deposits in the skin, joints, gastrointestinal mucosa and glomeruli. HSP is much rarer in adults than in children. Among a number of other pathogenic factors, Helicobacter pylori (Hp) has recently been implicated in the gastrointestinal and extra-gastrointestinal manifestations underlying HSP. We aimed at studying the occurrence of Hp infections in 11 adult HSP patients with appearance in our clinical practice in the last 5 years. METHODS: Eleven adult HSP and 20 healthy adult patients were recruited for this study. Anti-Hp IgG and IgA antibodies were assessed in sera of HSP patients with active (n = 5) and remittent disease (n = 6) and healthy controls (n = 20) in the context of clinical symptoms, endoscopic evaluation, as well as routine and immunolaboratory observations. Concurrent Hp infection was confirmed by urease test and histology. RESULTS: Anti-Hp antibodies were present in 10/11 of HSP patients, and 11/20 of healthy controls. However, only 4/11 HSP patients had concurrent Hp infection as confirmed by urease test and/or histology. In the healthy controls the actual Hp infection was detectable in 9/20 cases. Patients in the acute phase had significantly higher levels of anti-Hp IgG compared to healthy controls (86.0 +/- 32.0 versus 25.5 +/- 28.5 U/ml, p < 0.05). In contrast, anti-Hp IgA/IgG ratios were significantly higher in the remitting phase compared to the control group (3.1 +/- 1.8 versus 0.8 +/- 0.5 ratio, p < 0.05). Among other immunolaboratory markers, serum CRP, circulating IgA and serum tumor necrosis factor-alpha levels were significantly increased in acute patients compared to healthy group results (45.3 +/- 22.7 versus 4.8 +/- 3.5 mg/l, p < 0,05); (58.9 +/- 18.2 versus 25.2 +/- 6.4pg/ml, p < 0,05); (5.5 +/- 1.1 versus 2.4 +/- 1.2 g/l; respectively, p < 0.05). CONCLUSIONS: Hp infection may be associated with the development and progression of HSP. IgG antibodies to Hp may be present mostly in acute HSP, while IgA antibodies may be involved in sustaining gastrointestinal symptoms underlying the chronic phase of the disease.
Tárgyszavak:
Orvostudományok
Klinikai orvostudományok
idegen nyelvű folyóiratközlemény külföldi lapban
Acute Disease
Adult
Aged
Antibodies, Bacterial
Biopsy
C-Reactive Protein
Enzyme-Linked Immunosorbent Assay
Female
Gastric Mucosa
Helicobacter Infections
Helicobacter pylori
Humans
Hungary
Immunoglobulin A
Intestinal Mucosa
Male
Middle Aged
Purpura, Schoenlein-Henoch
Reference Values
Tumor Necrosis Factor-alpha
egyetemen (Magyarországon) készült közlemény
Megjelenés:
Autoimmunity. - 36 : 5 (2003), p. 307-311. -
További szerzők:
Szekanecz Zoltán (1964-) (reumatológus, belgyógyász, immunológus)
Sebesi Judit
Takáts Alajos (1955-)
Demeter Pál
Bene László (Budapest)
Sipka Sándor (1945-) (laboratóriumi szakorvos)
Csiki Zoltán (1962-) (belgyógyász, allergológus, klinikai immunológus, reumatológus)
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