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Published in: Journal of NeuroVirology 1/2020

01-02-2020 | Human Immunodeficiency Virus

Cognitive impairment and CSF proteome modification after oral bacteriotherapy in HIV patients

Authors: Claudia Landi, Letizia Santinelli, Laura Bianchi, Enxhi Shaba, Giancarlo Ceccarelli, Eugenio Nelson Cavallari, Cristian Borrazzo, Claudia Pinacchio, Carolina Scagnolari, Vincenzo Vullo, Luca Bini, Gabriella d’Ettorre

Published in: Journal of NeuroVirology | Issue 1/2020

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Abstract

Objective: To investigate whether a probiotic supplementation to cART patients modifies the cerebrospinal fluid (CSF) proteome and improves neurocognitive impairment. Methods: 26 CSF samples from 13 HIV-positive patients [six patients living with HIV (PLHIV) and seven patients with a history of AIDS (PHAIDS)] were analyzed. All patients underwent to neurocognitive evaluation and blood sampling at baseline and after 6 months of oral bacteriotherapy. Immune phenotyping and activation markers (CD38 and HLA-DR) were evaluated on peripheral blood mononuclear cells (PBMC). Plasma levels of IL-6, sCD14, and MIP-1β were detected, by enzyme-linked immunosorbent assay (ELISA). Functional proteomic analysis of CSF sample was conducted by two-dimensional electrophoresis; a multivariate analysis was performed by principal component analysis (PCA) and data were enriched by STRING software. Results: Oral bacteriotherapy leads to an improvement on several cognitive test and neurocognitive performance in both groups of HIV-positive subjects. A reduction in the percentage of CD4+CD38+HLA–DR+ T cells was also observed at peripheral level after the probiotic intake (p = 0.008). In addition, the probiotic supplementation to cART significantly modifies protein species composition and abundance at the CSF level, especially those related to inflammation (β2-microglobulin p = 0.03; haptoglobin p = 0.06; albumin p = 0.003; hemoglobin p = 0.003; immunoglobulin heavy chains constant region p = 0.02, transthyretin p = 0.02) in PLHIV and PHAIDS. Conclusions: Our results suggest that oral bacteriotherapy as a supplement to cART could exert a role in the amelioration of inflammation state at peripheral and CNS level.
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Metadata
Title
Cognitive impairment and CSF proteome modification after oral bacteriotherapy in HIV patients
Authors
Claudia Landi
Letizia Santinelli
Laura Bianchi
Enxhi Shaba
Giancarlo Ceccarelli
Eugenio Nelson Cavallari
Cristian Borrazzo
Claudia Pinacchio
Carolina Scagnolari
Vincenzo Vullo
Luca Bini
Gabriella d’Ettorre
Publication date
01-02-2020
Publisher
Springer International Publishing
Published in
Journal of NeuroVirology / Issue 1/2020
Print ISSN: 1355-0284
Electronic ISSN: 1538-2443
DOI
https://doi.org/10.1007/s13365-019-00801-7

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