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Author Topic: Mutation seen in gene therapy  (Read 1307 times)

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Offline hahaha

  • Member
  • Posts: 123
Mutation seen in gene therapy
« on: July 26, 2007, 12:47:11 AM »
My doc told me today that even a gene therapy may not cure the HIV because the mutation issue of HIV.   :-\
Am sad for a while. However, I have just flip thru this article on Pubmed stating a "cocktail" gene therapy.  Maybe it will work.  Who knows? Still look for hope. 
_______________________________

Gene therapeutic strategies show promise in controlling human immunodeficiency virus (HIV) infection and in restoring immunological function. A number of efficacious anti-HIV gene constructs have been described so far, including small interfering RNAs (siRNAs), RNA decoys, transdominant proteins, and ribozymes, each with a different mode of action. However, as HIV is prone to generating escape mutants, the use of a single anti-HIV construct would not be adequate to afford long range-viral protection. On this basis, a combination of highly potent anti-HIV genes--namely, a short hairpin siRNA (shRNA) targeting rev and tat, a transactivation response (TAR) decoy, and a CCR5 ribozyme--have been inserted into a third-generation lentiviral vector. Our recent in vitro studies with this construct, Triple-R, established its efficacy in both T-cell lines and CD34 cell-derived macrophages. In this study, we have evaluated this combinatorial vector in vivo. Vector-transduced CD34 cells were injected into severe combined immunodeficiency (SCID)-hu mouse thy/liv grafts to determine their capacity to give rise to T cells. Our results show that phenotypically normal transgenic T cells are generated that are able to resist HIV-1 infection when challenged in vitro. These important attributes of this combinatorial vector show its promise as an excellent candidate for use in human clinical trials.

PMID: 17406343 [PubMed - in process]
Aug 9, 2006 Get infected in Japan #$%^*
Oct 2006 CD4 239
Nov 2006 CD4 299 VL 60,000
Dec 1, Sustiva, Ziagan and 3TC
Jan 07, CD4 400

Offline risred1

  • Member
  • Posts: 419
  • My Source for Supps - www.newyorkbuyersclub.org
Re: Mutation seen in gene therapy
« Reply #1 on: July 28, 2007, 02:40:28 AM »
be hopeful for control! a cure is still a long way off, control seems much closer and getting ready for prime time!! ;)
risred1 - hiv +
02/07 CD4 404 - 27% - VL 15k
10/07 CD4 484 - 31% - VL 45k
05/08 CD4 414 - 26% - VL 70k
01/09 CD4 365 - 23% - VL 65k
05/09 CD4 291 - 23% - VL 115k - Started Meds - Reyataz/Truvada
06/09 CD4 394 - ?% - VL 1200 - Boosted Reyataz with Norvir and Truvada
07/09 CD4 441 - ?% - VL 118 - Boosted Reyataz with Norvir and Truvada
09/09 CD4 375 - ?% - VL Undetectable - Boosted Reyataz with Norvir and Truvada
12/09 CD4 595 - ?% - VL Undetectable - VIT D 34 - Reyataz/Truvada/Norvir

 


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