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XMRV: not a mousy virus

Discussion in 'XMRV Research and Replication Studies' started by Jemal, May 31, 2011.

  1. Jemal

    Jemal Senior Member

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    http://download.journals.elsevierhealth.com/pdfs/journals/0929-6646/PIIS0929664611600429.pdf

    Same Dutch virology professor that launched a hypothesis that XMRV might have been introduced through vaccines:
    http://www.frontiersin.org/virology/10.3389/fmicb.2010.00147/full
     
  2. Spring

    Spring Senior Member

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    Netherlands
    So glad there are two professors in the Netherlands doing 'something' with XMRV! Although I had to read about this on this forum...
     
  3. Jemal

    Jemal Senior Member

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    Yeah, I am glad about this as well (I am Dutch too).
    It's a pretty neutral article, which is nice. And their hypothesis that the virus might have been introduced through vaccines could spark great controversy and seemingly they are not afraid of that.
     
  4. Bob

    Bob

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    Thanks Jemal, very interesting.

    I'm looking forward to those serological assays being produced seeing as they "should be used to identify genuinely XMRV-infected patients that can subsequently be studied to elucidate the replication and pathogenic properties of XMRV infection in humans."

    If the use of serological assays is good science, then it begs the question: Why haven't they been used already?

    Interesting that the authors say that human genome integration has been demonstrated (despite the suggestion that the study only detected integration into a cell line genome) but I didn't quite understand this paragraph:

     
  5. Bob

    Bob

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  6. Bob

    Bob

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    It's interesting looking through the list as a reminder of the number of positive prostate cancer studies.


    But also interesting is this one that I hadn't seen before:

    High prevalence of an IgG response against murine leukemia virus (MLV) in patients with psoriasis
    Jean-Pierre Mols, Jean-Christophe Hadi and Jean-Jacques Guilhou
    Received 27 January 2003; revised 28 April 2003; accepted 14 May 2003. ; Available online 29 July 2003
    http://www.sciencedirect.com/science/article/pii/S0168170203001370

    I'm not sure why this study was included in the list because they don't say that they detected either XMRV or PMRV, but suggest that they are looking at MLV-like human endogenous retroviral (HERVs) particles.

    Strangely, the IgG response rate in this study gives almost identical results: 86% vs 8% (patients vs controls) as did the Alter/Lo study for PMRV's (86.5% vs 6.8%): "In addition, the IgG response was dramatically increased in psoriasis (86 vs. 8%, respectively, P<0.0001)."

    But the detection of antibodies in this study was 91 vs. 53% (patients vs controls), suggesting that these are indeed MLV-like endogenous human retroviral particles (or maybe the possibility that they are detecting ubiquitous exogenous MLV viruses?)

    Interesting food for thought.
     
  7. RedRuth

    RedRuth Senior Member

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    She's almost certainly right though there are also potential problems with ELISA and Western blotting (something I do a lot of) After reading the Science paper I thought the western blotting was not very impressive at all.
     

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