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Detection of MLV-like gag sequences in blood samples from a New York state CFS cohort

SilverbladeTE

Senior Member
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3,043
Location
Somewhere near Glasgow, Scotland
hm, has this not been posted yet?

http://www.retrovirology.com/content/8/S1/A234

Detection of MLV-like gag sequences in blood samples from a New York state CFS cohort
Maureen R Hanson1 , Li L Lee1, Lin Lin1, David E Bell2, David Ruppert3 and David S Bell4

1 Dept. of Molecular Biology and Genetics, Cornell University, Ithaca, NY, 14853, USA

2 Dept. of Medical Anthropology, State University of New York, Buffalo, NY, 14214, USA

3 School of Operations Research and Information Engineering, Cornell University, Ithaca, NY, 14853, USA

4 Dept. of Pediatrics, State University of New York, Buffalo, NY, 14214, USA

author email corresponding author email

from 15th International Conference on Human Retroviruses: HTLV and Related Viruses
Leuven and Gembloux, Belgium. 5-8 June 2011

Retrovirology 2011, 8(Suppl 1):A234doi:10.1186/1742-4690-8-S1-A234

The electronic version of this abstract is the complete one and can be found online at: http://www.retrovirology.com/content/8/S1/A234

Published: 6 June 2011

2011 Hanson et al; licensee BioMed Central Ltd.
This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Meeting abstract
A blinded study was undertaken to determine whether XMRV or MLV-like virus could be detected in peripheral blood from 40 adult subjects divided into three groups: severely ill with CFS, recovered from CFS, and a control group lacking a CFS diagnosis at any time. All patients in thesevere CFS group currently meet Fukuda criteria. Recovered CFS subjects had scores on the SF-36 survey instrument that were significantly lower than the healthy control group, according to Hotellings T2 test. Blood was collected in EDTA tubes and cDNA and DNA made from PBMCs. Plasma was incubated with LNCaP cells that were subsequently passaged. Nested PCR with USB Hot-Start IT FideliTaq was performed with gag primers. Any PCR products of expected sizes were sequenced. Samples were tested for mouse contamination with primers to IAP and/or mouse mitochondrial DNA. gag sequences were detected in both severe and recovered CFS subjects blood as well as in some healthy controls. gag sequences could be amplified from genomic DNA from LNCaP cells of some subjects after 4 or 6 subcultures following incubation with certain subjects plasma, indicating the presence of infectious virus in blood. All gag sequences detected in this cohort were more similar to the MLV-like sequences reported by Lo et al. (2010) than to the XMRV sequences reported by Lombardi et al. (2009). Detection of gag sequences in whole blood genomic DNAs that were negative for mouse IAP and mitochondrial DNA provides strong evidence for infection of humans with MLV-like viruses.

Ah, and Stoye claimed "ME/CFS XMRV link was a myth"
mmm, gotta luv a man who's so confidant, not! ;)