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  • 1990-1994  (1)
  • cryoglobulinemic neuropathy  (1)
  • 1
    ISSN: 1590-3478
    Keywords: Guillain-Barré syndrome ; chronic inflammatory demyelinating polyradiculopathy ; cryoglobulinemic neuropathy ; ICAM-1 ; ELAM-1 ; TNF-α
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Sommario L'infiltrazione leucocitaria nelle aree di infiammazione viene mediata dalle molecole di adesione ICAM-1 (intercellular adhesion molecule-1) ed ELAM-1 (E-selectin). In corso di disordini infiammatori del SNC vi è un marcato incremento sierico di ICAM-1. In questo studio abbiamo dosato i livelli sierici di ICAM-1, ELAM-1 e TNF-α (tumor necrosis factor-α) in pazienti con neuropatia crioglobulinemica (CGN) e poliradicolonevrite acuta (AIDP) e cronica (CIDP). Dosaggi immunoenzimatici hanno evidenziato un incremento di sICAM-1 in alcuni pazienti con tali patologie; inoltre in 2 pazienti con AIDP ed in 1 paziente con CGN sono stati rilevati elevati titoli di ELAM-1 e TNF-α. I nostri dati ampliano le osservazioni precedenti riguardo ai disordini infiammatori del SNP, dimostrando che ELAM-1, insieme a ICAM-1, può essere un utile marker di attivazione endoteliale e che entrambi possono servire come indicatori di meccanismi patogenetici specifici.
    Notes: Abstract Endothelial intercellular adhesion molecule-1 (ICAM-1) and glycoprotein E-selectin (ELAM-1) allow the homing of leukocytes to inflammation sites. A circulating form of ICAM-1 markedly increases in inflammatory CNS disorders. In the present study, the serum levels of ICAM-1, ELAM-1 and tumor necrosis factor-α (TNF-α) were measured in patients with acute (AIDP) and chronic (CIDP) inflammatory demyelinating polyneuropathies and cryoglobulinemic neuropathy (CGN). Immunoenzymometric assays revealed increased sICAM-1 levels in some of these patients; furthermore, high titres of ELAM-1 and TNF-α were detected in two patients with AIDP and one patient with CGN. Our data extend previous observations on inflammatory PNS disorders by showing that, in addition to ICAM-1, ELAM-1 also represents a useful marker of endothelial activation and that, taken together, the two molecules may serve as an indicator of specific pathogenetic mechanisms.
    Type of Medium: Electronic Resource
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