Metagenomic Analysis of Cerebrospinal Fluid from Patients with Multiple Sclerosis View Full Text


Ontology type: schema:Chapter     


Chapter Info

DATE

2016-06-17

AUTHORS

Karol Perlejewski , Iwona Bukowska-Ośko , Shota Nakamura , Daisuke Motooka , Tomasz Stokowy , Rafał Płoski , Małgorzata Rydzanicz , Beata Zakrzewska-Pniewska , Aleksandra Podlecka-Piętowska , Monika Nojszewska , Anna Gogol , Kamila Caraballo Cortés , Urszula Demkow , Adam Stępień , Tomasz Laskus , Marek Radkowski

ABSTRACT

Multiple sclerosis (MS) is a chronic inflammatory demyelinating disease of central nervous system of unknown etiology. However, some infectious agents have been suggested to play a significant role in its pathogenesis. Next-generation sequencing (NGS) and metagenomics can be employed to characterize microbiome of MS patients and to identify potential causative pathogens. In this study, 12 patients with idiopathic inflammatory demyelinating disorders (IIDD) of the central nervous system were studied: one patient had clinically isolated syndrome, one patient had recurrent optic neuritis, and ten patients had multiple sclerosis (MS). In addition, there was one patient with other non-inflammatory neurological disease. Cerebrospinal fluid (CSF) was sampled from all patients. RNA was extracted from CSF and subjected to a single-primer isothermal amplification followed by NGS and comprehensive data analysis. Altogether 441,608,474 reads were obtained and mapped using blastn. In a CSF sample from the patient with clinically isolated syndrome, 11 varicella-zoster virus reads were found. Other than that similar bacterial, fungal, parasitic, and protozoan reads were identified in all samples, indicating a common presence of contamination in metagenomics. In conclusion, we identified varicella zoster virus sequences in one out of the 12 patients with IIDD, which suggests that this virus could be occasionally related to the MS pathogenesis. A widespread bacterial contamination seems inherent to NGS and complicates the interpretation of results. More... »

PAGES

89-98

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/5584_2016_25

DOI

http://dx.doi.org/10.1007/5584_2016_25

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1001742882

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/27311319


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