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X4 tropic multi-drug resistant quasi-species detected at the time of primary HIV-1 infection remain exclusive or at least dominant far from PHI.

Ghosn J, Galimand J, Raymond S, Meyer L, Deveau C, Goujard C, Izopet J, Rouzioux C, Chaix ML; ANRS CO 06 PRIMO cohort..

PLoS One. 2011;6(8):e23301. doi: 10.1371/journal.pone.0023301. Epub 2011 Aug 24.


HIV-1 dual/mixed tropic isolates show different genetic and phenotypic characteristics and response to maraviroc in vitro.

Svicher V, Balestra E, Cento V, Sarmati L, Dori L, Vandenbroucke I, D'Arrigo R, Buonomini AR, Van Marck H, Surdo M, Saccomandi P, Mostmans W, Aerssens J, Aquaro S, Stuyver LJ, Andreoni M, Ceccherini-Silberstein F, Perno CF.

Antiviral Res. 2011 Apr;90(1):42-53. doi: 10.1016/j.antiviral.2011.02.005. Epub 2011 Feb 22.


Co-receptor switch during HAART is independent of virological success.

Saracino A, Monno L, Cibelli DC, Punzi G, Brindicci G, Ladisa N, Tartaglia A, Lagioia A, Angarano G.

J Med Virol. 2009 Dec;81(12):2036-44. doi: 10.1002/jmv.21598.


HIV-1 resistant strains acquired at the time of primary infection massively fuel the cellular reservoir and persist for lengthy periods of time.

Ghosn J, Pellegrin I, Goujard C, Deveau C, Viard JP, Galimand J, Harzic M, Tamalet C, Meyer L, Rouzioux C, Chaix ML; French PRIMO Cohort Study Group (ANRS CO 06)..

AIDS. 2006 Jan 9;20(2):159-70.


Higher prevalence of predicted X4-tropic strains in perinatally infected older children with HIV-1 subtype C in India.

Neogi U, Sahoo PN, Arumugam K, Sonnerborg A, De Costa A, Shet A.

J Acquir Immune Defic Syndr. 2012 Apr 1;59(4):347-53. doi: 10.1097/QAI.0b013e3182405c7b.


Presence of HIV-1 R5 viruses in cerebrospinal fluid even in patients harboring R5X4/X4 viruses in plasma.

Soulié C, Tubiana R, Simon A, Lambert-Niclot S, Malet I, Canestri A, Brunet C, Murphy R, Katlama C, Calvez V, Marcelin AG.

J Acquir Immune Defic Syndr. 2009 May 1;51(1):60-4. doi: 10.1097/QAI.0b013e31819fb903.


Concordance between HIV-1 genotypic coreceptor tropism predictions based on plasma RNA and proviral DNA.

Verhofstede C, Brudney D, Reynaerts J, Vaira D, Fransen K, De Bel A, Seguin-Devaux C, De Wit S, Vandekerckhove L, Geretti AM.

HIV Med. 2011 Oct;12(9):544-52. doi: 10.1111/j.1468-1293.2011.00922.x. Epub 2011 Apr 25.


Evolution of proviral DNA HIV-1 tropism under selective pressure of maraviroc-based therapy.

Baroncelli S, Galluzzo CM, Weimer LE, Pirillo MF, Volpe A, Mercuri A, Cavalli A, Fragola V, Monno L, Degli Antoni A, Ladisa N, Francisci D, Bucciardini R, Floridia M.

J Antimicrob Chemother. 2012 Jun;67(6):1479-85. doi: 10.1093/jac/dks055. Epub 2012 Feb 23.


Prediction of HIV-1 coreceptor usage (tropism) by sequence analysis using a genotypic approach.

Sierra S, Kaiser R, Lübke N, Thielen A, Schuelter E, Heger E, Däumer M, Reuter S, Esser S, Fätkenheuer G, Pfister H, Oette M, Lengauer T.

J Vis Exp. 2011 Dec 1;(58). pii: 3264. doi: 10.3791/3264.


Genotypic tropism of antiretroviral-treated patients with drug resistant HIV-1.

Parczewski M, Leszczyszyn-Pynka M, Urbanska A, Bander D, Boron-Kaczmarska A.

J Med Virol. 2011 Nov;83(11):1869-75. doi: 10.1002/jmv.22209.


Inhibition of dual/mixed tropic HIV-1 isolates by CCR5-inhibitors in primary lymphocytes and macrophages.

Surdo M, Balestra E, Saccomandi P, Di Santo F, Montano M, Di Carlo D, Sarmati L, Aquaro S, Andreoni M, Svicher V, Perno CF, Ceccherini-Silberstein F.

PLoS One. 2013 Jul 9;8(7):e68076. doi: 10.1371/journal.pone.0068076. Print 2013.


Chemokine (C-C motif) receptor 5-using envelopes predominate in dual/mixed-tropic HIV from the plasma of drug-naive individuals.

Irlbeck DM, Amrine-Madsen H, Kitrinos KM, Labranche CC, Demarest JF.

AIDS. 2008 Jul 31;22(12):1425-31. doi: 10.1097/QAD.0b013e32830184ba.


Detection of HIV-1 CXCR4 tropism and resistance in treatment experienced subjects receiving CCR5 antagonist-Vicriviroc.

McNicholas P, Vilchez RA, Greaves W, Kumar S, Onyebuchi C, Black T, Strizki JM.

J Clin Virol. 2012 Oct;55(2):134-9. doi: 10.1016/j.jcv.2012.06.021. Epub 2012 Jul 21.


Evaluation of the genotypic prediction of HIV-1 coreceptor use versus a phenotypic assay and correlation with the virological response to maraviroc: the ANRS GenoTropism study.

Recordon-Pinson P, Soulié C, Flandre P, Descamps D, Lazrek M, Charpentier C, Montes B, Trabaud MA, Cottalorda J, Schneider V, Morand-Joubert L, Tamalet C, Desbois D, Macé M, Ferré V, Vabret A, Ruffault A, Pallier C, Raymond S, Izopet J, Reynes J, Marcelin AG, Masquelier B; ANRS AC11 Resistance Study Group..

Antimicrob Agents Chemother. 2010 Aug;54(8):3335-40. doi: 10.1128/AAC.00148-10. Epub 2010 Jun 7.


High sensitivity of specific genotypic tools for detection of X4 variants in antiretroviral-experienced patients suitable to be treated with CCR5 antagonists.

Seclén E, Garrido C, González Mdel M, González-Lahoz J, de Mendoza C, Soriano V, Poveda E.

J Antimicrob Chemother. 2010 Jul;65(7):1486-92. doi: 10.1093/jac/dkq137. Epub 2010 Apr 28.


HIV-1 coreceptor switch during 2 years of structured treatment interruptions.

Baroncelli S, Galluzzo CM, Andreotti M, Pirillo MF, Fragola V, Weimer LE, Giuliano M, Vella S, Palmisano L.

Eur J Clin Microbiol Infect Dis. 2013 Dec;32(12):1565-70. doi: 10.1007/s10096-013-1911-z. Epub 2013 Jul 4.


High frequency of X4/DM-tropic viruses in PBMC samples from patients with primary HIV-1 subtype-B infection in 1996-2007: the French ANRS CO06 PRIMO Cohort Study.

Frange P, Galimand J, Goujard C, Deveau C, Ghosn J, Rouzioux C, Meyer L, Chaix ML.

J Antimicrob Chemother. 2009 Jul;64(1):135-41. doi: 10.1093/jac/dkp151. Epub 2009 May 2.


HIV-1 tropism: a comparison between RNA and proviral DNA in routine clinical samples from Chilean patients.

Ferrer P, Montecinos L, Tello M, Tordecilla R, Rodríguez C, Ferrés M, Pérez CM, Beltrán C, Guzmán MA, Afani A.

Virol J. 2013 Oct 28;10:318. doi: 10.1186/1743-422X-10-318.


Deep Sequencing of the HIV-1 env Gene Reveals Discrete X4 Lineages and Linkage Disequilibrium between X4 and R5 Viruses in the V1/V2 and V3 Variable Regions.

Zhou S, Bednar MM, Sturdevant CB, Hauser BM, Swanstrom R.

J Virol. 2016 Jul 27;90(16):7142-58. doi: 10.1128/JVI.00441-16. Print 2016 Aug 15.


CXCR4-using HIV type 1 variants are more commonly found in peripheral blood mononuclear cell DNA than in plasma RNA.

Verhofstede C, Vandekerckhove L, Eygen VV, Demecheleer E, Vandenbroucke I, Winters B, Plum J, Vogelaers D, Stuyver L.

J Acquir Immune Defic Syndr. 2009 Feb 1;50(2):126-36. doi: 10.1097/QAI.0b013e31819118fa.


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