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Metagenomic deep sequencing of aqueous fluid detects intraocular lymphomas.

Metagenomic deep sequencing of aqueous fluid detects intraocular lymphomas.
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Gonzales J, Doan T, Shantha JG, Bloomer M, Wilson MR, DeRisi JL, Acharya N,


Gonzales J, Doan T, Shantha JG, Bloomer M, Wilson MR, DeRisi JL, Acharya N, (click to view)

Gonzales J, Doan T, Shantha JG, Bloomer M, Wilson MR, DeRisi JL, Acharya N,

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The British journal of ophthalmology 2017 11 09102(1) 6-8 doi 10.1136/bjophthalmol-2017-311151
Abstract
INTRODUCTION
Currently, the detection of pathogens or mutations associated with intraocular lymphomas heavily relies on prespecified, directed PCRs. With metagenomic deep sequencing (MDS), an unbiased high-throughput sequencing approach, all pathogens as well as all mutations present in the host’s genome can be detected in the same small amount of ocular fluid.

METHODS
In this cross-sectional case series, aqueous fluid samples from two patients were submitted to MDS to identify pathogens as well as common and rare cancer mutations.

RESULTS
MDS of aqueous fluid from the first patient with vitreal lymphoma revealed the presence of both Epstein-Barr virus (HHV-4/EBV) and human herpes virus 8 (HHV-8) RNA. Aqueous fluid from the second patient with intraocular B-cell lymphoma demonstrated a less common mutation in the MYD88 gene associated with B-cell lymphoma.

CONCLUSION
MDS detects pathogens that, in some instances, may drive the development of intraocular lymphomas. Moreover, MDS is able to identify both common and rare mutations associated with lymphomas.

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