The memory lymphocyte immunostimulation assay in immune system disorders: Is useful or useless?

Abstract

AIM: The aim of the study was to evaluate the clinical relevance, sensitivity and specificity of in vitro blood test, Memory Lymphocyte ImmunoStimulation Assay (MELISA^®), in genetically predisposed patients that suffer by autoimmune/inflammatory syndrome induced by adjuvants, after HPV-vaccination and that could have a high metal hypersensitivity.

MATERIALS AND METHODS: Sixteen girls (aged 12–24 years) that developed long-lasting and invalidating somatoform symptoms occurring within 20 days postvaccination are included in this descriptive study. The hypersensitivity to five metals (aluminum, nickel, mercury, methyl mercury, and thimerosal) was measured by MELISA^® test.

RESULTS: Seven girls showed negativity to all the five metals tested. The findings showed metal hypersensitivity only in nine patients: Toxicity to aluminum (two girls), reactivity to nickel (seven girls), followed by mercury (seven girls).

CONCLUSION: The MELISA^® assay is neither sensitive nor specific in detecting metal hypersensitivity and associated chronic diseases, including autoimmune pathologies.

Key words

Hypersensitivity - Memory Lymphocyte ImmunoStimulation Assay - metal - test

Publication History

Received: 07 October 2016

Accepted: 04 July 2017

Article published online:
19 February 2020

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