Abstract

Background B cell activating factor (BAFF) is a member of the tumor necrosis factor superfamily and an important regulator of peripheral B cell survival, maturation and immunoglobulin class-switch recombination. Many studies suggest that BAFF might be a new mediating mechanism in foodrelated inflammation. Higher levels in non-atopic compared with atopic patients, and no correlation between BAFF and IgE, suggest that BAFF might be particularly involved in non-IgE-mediated reactions [1]. According to Finkelman there are 2 pathways of systemic anaphylaxis: antigens can cause systemic anaphylaxis in mice through the classic pathway by cross-linking IgE bound to mast cell FceRI, stimulating histamine and PAF release, or the alternative pathway by forming complexes with IgG that cross-link macrophage FcgRIII, stimulating only PAF release [2]. The aim of this study is to evaluate the correlation between BAFF and PAF in non-atopic subjects.

Highlights

  • B cell activating factor (BAFF) is a member of the tumor necrosis factor superfamily and an important regulator of peripheral B cell survival, maturation and immunoglobulin class-switch recombination

  • We measured the concentration of BAFF and PAF in the serum of 64 patients (45 females and 18 males, age 44.94 ± 8.51)

  • There is statistical evidence of correlation between BAFF and PAF based on the results of a Kendall correlation test (p < 0.0001)

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Summary

Introduction

B cell activating factor (BAFF) is a member of the tumor necrosis factor superfamily and an important regulator of peripheral B cell survival, maturation and immunoglobulin class-switch recombination. Methods We measured the concentration of BAFF (ng/ml) and PAF (ng/l) in the serum of 64 patients (45 females and 18 males, age 44.94 ± 8.51).

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