Transcriptomic Analysis of PBMCs from Allergic Patients after Probiotic Treatment
2017
Background: Allergic rhinitis is one of the most prevalent manifestation
of allergy, affecting over 15% of the population worldwide. Recent published
clinical studies have shown that specific probiotics can improveallergic rhinitis
clinical symptoms.
Findings: In this study, thirty one adult volunteers suffering from allergic
rhinitis were enrolled in a crossover study evaluating the efficacy of the
consumption of a product containing either L. paracasei-fermented milk or
the placebo. Transcriptomic analysis was performed on unstimulated PBMC
after each treatment period and analysis was adjusted for the crossover
design. No differences were observed between PBMCs from probiotic treated
allergen challenged allergic patients and PBMCs from placebo treated allergen
challenged allergic patients.
Conclusion: This study shows that, in the blood compartment, PBMCs
mRNA levels are too stable to mirror the changes of symptoms and alteration of
cytokine expressions observed after a treatment with L. paracasei.
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