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Phillipe Nyambi

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Raiees Andrabi; Ashutosh Biswas; Alok K Choudhary; Liuzhe Li; Kalpana Luthra; Arthur Nadas; Phillipe N Nyambi; Michael S Seaman; Xiao-Hong Wang; Naveet Wig; Constance Williams; Susan Zolla-Pazner; Miroslaw K Gorny
Cross-neutralizing activity of human anti-V3 monoclonal antibodies derived from non-B clade HIV-1 infected individuals.
Jiangqin Zhao; Durga Gaddam; Phillipe N Nyambi; Viswanath Ragupathy; Shixing Tang; Xue Wang; Panhe Zhang; Indira Hewlett
CRF22_01A1 is involved in the emergence of new HIV-1 recombinants in Cameroon.
Luzia M Mayr; Arthur Nádas; Johnson N Ngai; Rebecca L Powell; William A Takang; Phillipe N Nyambi
Superinfection by discordant subtypes of HIV-1 does not enhance the neutralizing antibody response against autologous virus.

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All Publications

2013: Raiees Andrabi; Ashutosh Biswas; Alok K Choudhary; Liuzhe Li; Kalpana Luthra; Arthur Nadas; Phillipe N Nyambi; Michael S Seaman; Xiao-Hong Wang; Naveet Wig; Constance Williams; Susan Zolla-Pazner; Miroslaw K Gorny
Cross-neutralizing activity of human anti-V3 monoclonal antibodies derived from non-B clade HIV-1 infected individuals.
Virology 2013;439(2):81-8.
2012: Jiangqin Zhao; Durga Gaddam; Phillipe N Nyambi; Viswanath Ragupathy; Shixing Tang; Xue Wang; Panhe Zhang; Indira Hewlett
CRF22_01A1 is involved in the emergence of new HIV-1 recombinants in Cameroon.
Journal of acquired immune deficiency syndromes (1999) 2012;60(4):344-50.
2012: Luzia M Mayr; Arthur Nádas; Johnson N Ngai; Rebecca L Powell; William A Takang; Phillipe N Nyambi
Superinfection by discordant subtypes of HIV-1 does not enhance the neutralizing antibody response against autologous virus.
PloS one 2012;7(6):e38989.
2011: Luzia Mayr; Thompson Kinge; Rebecca Powell; Phillipe N Nyambi
Sequence analysis of the dimerization initiation site of concordant and discordant viral variants superinfecting HIV type 1 patients.
AIDS research and human retroviruses 2011;27(11):1231-5.
2011: Shixing Tang; Jiangqin Zhao; Ragupathy Viswanath; Phillipe N Nyambi; Andrew D Redd; Armeta Dastyar; Lisa A Spacek; Thomas C Quinn; Xue Wang; Owen Wood; Durga Gaddam; Krishnakumar Devadas; Indira K Hewlett
Absence of detectable xenotropic murine leukemia virus-related virus in plasma or peripheral blood mononuclear cells of human immunodeficiency virus type 1-infected blood donors or individuals in Africa.
Transfusion 2011;51(3):463-8.
2011: Viswanath Ragupathy; Shixing Tang; Owen Wood; Jiangqin Zhao; Sherwin Lee; Phillipe N Nyambi; Indira Hewlett
Identification of new, emerging HIV-1 unique recombinant forms and drug resistant viruses circulating in Cameroon.
Virology journal 2011;8():185.
2010: Rebecca L R Powell; Thompson Kinge; Phillipe N Nyambi
Infection by discordant strains of HIV-1 markedly enhances the neutralizing antibody response against heterologous virus.
Journal of virology 2010;84(18):9415-26.
2010: Shixing Tang; Jiangqin Zhao; Aifeng Wang; Ragupathy Viswanath; Harri Harma; Richard F Little; Robert Yarchoan; Susan L Stramer; Phillipe N Nyambi; Sherwin Lee; Owen Wood; Eric Y Wong; Xue Wang; Indira K Hewlett
Characterization of immune responses to capsid protein p24 of human immunodeficiency virus type 1 and implications for detection.
Clinical and vaccine immunology : CVI 2010;17(8):1244-51.
2010: Rebecca L R Powell; Lynchy Lezeau; Thompson Kinge; Phillipe N Nyambi
Longitudinal quasispecies analysis of viral variants in HIV type 1 dually infected individuals highlights the importance of sequence identity in viral recombination.
AIDS research and human retroviruses 2010;26(3):253-64.
2010: Sherri Burda; Ragupathy Viswanath; Jiangqin Zhao; Thompson Kinge; Christopher A Anyangwe; Erick T Tinyami; Bijayesh Haldar; Rebecca L R Powell; Veronica Jarido; Indira K Hewlett; Phillipe N Nyambi
HIV-1 reverse transcriptase drug-resistance mutations in chronically infected individuals receiving or naïve to HAART in Cameroon.
Journal of medical virology 2010;82(2):187-96.
2009: Rebecca L R Powell; Mateusz M Urbanski; Sherri Burda; Thompson Kinge; Phillipe N Nyambi
High frequency of HIV-1 dual infections among HIV-positive individuals in Cameroon, West Central Africa.
Journal of acquired immune deficiency syndromes (1999) 2009;50(1):84-92.
2008: Rebecca L R Powell; Mateusz M Urbanski; Phillipe N Nyambi
A heteroduplex assay for the rapid detection of dual Human Immunodeficiency Virus Type 1 infections.
Journal of virological methods 2008;149(1):20-7.
2008: Rebecca L R Powell; Mateusz M Urbanski; Sherri Burda; Aubin Nanfack; Thompson Kinge; Phillipe N Nyambi
Utility of the heteroduplex assay (HDA) as a simple and cost-effective tool for the identification of HIV type 1 dual infections in resource-limited settings.
AIDS research and human retroviruses 2008;24(1):100-5.
2007: Rebecca L R Powell; Frank A J Konings; Aubin Nanfack; Sherri Burda; Mateusz M Urbanski; DR Saa; Phillipe N Nyambi
Quasispecies analysis of novel HIV-1 recombinants of subtypes A and G reveals no similarity to the mosaic structure of CRF02_AG.
Journal of medical virology 2007;79(9):1270-85.
2007: Rebecca L R Powell; Jiangqin Zhao; Frank A J Konings; Shixing Tang; Aubin Nanfack; Sherri Burda; Mateusz M Urbanski; DR Saa; Indira Hewlett; Phillipe N Nyambi
Identification of a novel circulating recombinant form (CRF) 36_cpx in Cameroon that combines two CRFs (01_AE and 02_AG) with ancestral lineages of subtypes A and G.
AIDS research and human retroviruses 2007;23(8):1008-19.
2007: Rebecca L R Powell; Jiangqin Zhao; Frank A J Konings; Shixing Tang; Leonard Ewane; Sherri Burda; Mateusz M Urbanski; DR Saa; Indira Hewlett; Phillipe N Nyambi
Circulating recombinant form (CRF) 37_cpx: an old strain in Cameroon composed of diverse, genetically distant lineages of subtypes A and G.
AIDS research and human retroviruses 2007;23(7):923-33.
2006: Miroslaw K Gorny; Constance Williams; Barbara Volsky; Kathy Revesz; Xiao-Hong Wang; Sherri Burda; Tetsuya Kimura; Frank A J Konings; Arthur Nádas; Christopher A Anyangwe; Phillipe N Nyambi; Chavdar Krachmarov; Abraham Pinter; Susan Zolla-Pazner
Cross-clade neutralizing activity of human anti-V3 monoclonal antibodies derived from the cells of individuals infected with non-B clades of human immunodeficiency virus type 1.
Journal of virology 2006;80(14):6865-72.
2006: Frank A J Konings; Greg R Haman; Yile Xue; Mateusz M Urbanski; Kathryn Hertzmark; Aubin Nanfack; Jacqueline M Achkar; Sherri Burda; Phillipe N Nyambi
Genetic analysis of HIV-1 strains in rural eastern Cameroon indicates the evolution of second-generation recombinants to circulating recombinant forms.
Journal of acquired immune deficiency syndromes (1999) 2006;42(3):331-41.
2006: Frank A J Konings; Sherri Burda; Mateusz M Urbanski; Ping Zhong; Arthur Nadas; Phillipe N Nyambi
Human immunodeficiency virus type 1 (HIV-1) circulating recombinant form 02_AG (CRF02_AG) has a higher in vitro replicative capacity than its parental subtypes A and G.
Journal of medical virology 2006;78(5):523-34.
2005: Liying Ma; Michael Marmor; Ping Zhong; Leonard Ewane; Bing Su; Phillipe N Nyambi
Distribution of CCR2-64I and SDF1-3'A alleles and HIV status in 7 ethnic populations of Cameroon.
Journal of acquired immune deficiency syndromes (1999) 2005;40(1):89-95.
2005: Sumathi Sivapalasingam; Shaffiq Essajee; Phillipe N Nyambi; Vincenza Itri; Bruce A Hanna; Robert Holzman; Fred Valentine
Human immunodeficiency virus (HIV) reverse transcriptase activity correlates with HIV RNA load: implications for resource-limited settings.
Journal of clinical microbiology 2005;43(8):3793-6.
2005: Halonna R Kelly; Mateusz M Urbanski; Sherri Burda; Ping Zhong; Frank A J Konings; Joseph Nanfack; Marcel Tongo; Thompson Kinge; Jacqueline M Achkar; Phillipe N Nyambi
Neutralizing antibody patterns and viral escape in HIV-1 non-B subtype chronically infected treatment-naive individuals.
Human antibodies 2005;14(3-4):89-99.
2005: Chavdar Krachmarov; Abraham Pinter; William J Honnen; Miroslaw K Gorny; Phillipe N Nyambi; Susan Zolla-Pazner; Samuel C Kayman
Antibodies that are cross-reactive for human immunodeficiency virus type 1 clade a and clade B v3 domains are common in patient sera from Cameroon, but their neutralization activity is usually restricted by epitope masking.
Journal of virology 2005;79(2):780-90.
2004: Sherri Burda; Frank A J Konings; Constance A U Williams; Christopher A Anyangwe; Phillipe N Nyambi
HIV-1 CRF09_cpx circulates in the North West Province of Cameroon where CRF02_AG infections predominate and recombinant strains are common.
AIDS research and human retroviruses 2004;20(12):1358-63.
2004: Susan Zolla-Pazner; Ping Zhong; Kathy Revesz; Barbara Volsky; Constance Williams; Phillipe N Nyambi; Miroslaw K Gorny
The cross-clade neutralizing activity of a human monoclonal antibody is determined by the GPGR V3 motif of HIV type 1.
AIDS research and human retroviruses 2004;20(11):1254-8.
2004: Jacqueline M Achkar; Sherri Burda; Frank A J Konings; Mateusz M Urbanski; Constance A U Williams; Dorothee Seifen; Martha N Kahirimbanyi; Mary A Vogler; Mark Parta; Helene C Lupatkin; Susan Zolla-Pazner; Phillipe N Nyambi
Infection with HIV type 1 group M non-B subtypes in individuals living in New York City.
Journal of acquired immune deficiency syndromes (1999) 2004;36(3):835-44.
2004: Frank A J Konings; Phillipe N Nyambi
V118I substitution in the reverse transcriptase gene of HIV type 1 CRF02_AG strains infecting drug-naive individuals in Cameroon.
AIDS research and human retroviruses 2004;20(6):673-8.
2004: Harr F Njai; Gert Van der Auwera; Chiambah A Ngong; Leo Heyndrickx; Souleymane Sawadago; Hilton Whittle; Phillipe N Nyambi; Robert Colebunders; Guido van der Groen; Wouter Janssens
Development, evaluation, and validation of an oligonucleotide probe hybridization assay to subtype human immunodeficiency virus type 1 circulating recombinant form CRF02_AG.
Journal of clinical microbiology 2004;42(4):1428-33.
2004: Miroslaw K Gorny; Kathy Revesz; Constance Williams; Barbara Volsky; Mark K Louder; Christopher A Anyangwe; Chavdar Krachmarov; Samuel C Kayman; Abraham Pinter; Arthur Nadas; Phillipe N Nyambi; John R Mascola; Susan Zolla-Pazner
The v3 loop is accessible on the surface of most human immunodeficiency virus type 1 primary isolates and serves as a neutralization epitope.
Journal of virology 2004;78(5):2394-404.
2004: Frank A J Konings; Ping Zhong; Moise Agwara; Lucy Agyingi; Leopold Zekeng; Jacqueline M Achkar; Leonard Ewane; Emmanuel Afane Ze; Thompson Kinge; Phillipe N Nyambi
Protease mutations in HIV-1 non-B strains infecting drug-naive villagers in Cameroon.
AIDS research and human retroviruses 2004;20(1):105-9.
2004: Arthur Nádas; Ping Zhong; Sherri Burda; Leopold Zekeng; Mateusz M Urbanski; Miroslaw K Gorny; Susan Zolla-Pazner; Phillipe N Nyambi
Defining human immunodeficiency virus (HIV) type 1 immunotypes with six human monoclonal antibodies.
AIDS research and human retroviruses 2004;20(1):55-65.
2003: Ping Zhong; Sherri Burda; Frank A J Konings; Mateusz M Urbanski; Liying Ma; Leopold Zekeng; Leonard Ewane; Lucy Agyingi; Moise Agwara; Ze E Afane; Thompson Kinge; Susan Zolla-Pazner; Phillipe N Nyambi
Genetic and biological properties of HIV type 1 isolates prevalent in villagers of the Cameroon equatorial rain forests and grass fields: further evidence of broad HIV type 1 genetic diversity.
AIDS research and human retroviruses 2003;19(12):1167-78.
2003: Ping Zhong; Laiyi Kang; Qichao Pan; Frank A J Konings; Sherri Burda; Liying Ma; Yile Xue; Xiaohong Zheng; Zicheng Jin; Phillipe N Nyambi
Identification and distribution of HIV type 1 genetic diversity and protease inhibitor resistance-associated mutations in Shanghai, P. R. China.
Journal of acquired immune deficiency syndromes (1999) 2003;34(1):91-101.
2002: Phillipe N Nyambi; Leopold Zekeng; Henriette Kenfack; Marcel Tongo; Aubin Nanfack; Innocent Nkombe; Flavien Ndonko; Judith Shang; Sherri Burda; Henry Mbah; Lucy Agyingi; Ping Zhong; Arthur Nádas; Susan Zolla-Pazner; Michael Marmor
HIV infection in rural villages of Cameroon.
Journal of acquired immune deficiency syndromes (1999) 2002;31(5):506-13.
2002: Ping Zhong; Sherri Burda; Mateusz M Urbanski; Henriette Kenfack; Marcel Tongo; Leo Heyndrickx; Aubin Nanfack; Judith Shang; Lucy Agyingi; Susan Zolla-Pazner; Leopold Zekeng; Phillipe N Nyambi
HIV type 1 group M clades infecting subjects from rural villages in equatorial rain forests of Cameroon.
Journal of acquired immune deficiency syndromes (1999) 2002;31(5):495-505.
2002: Phillipe N Nyambi; Leo Heyndrickx; Katleen Vereecken; Sherri Burda; Kathleen De Houwer; Sandra Coppens; Mateusz M Urbanski; Constance Williams; Peter Ndumbe; Wouter Janssens
Predominance of infection with HIV-1 circulating recombinant form CRF02_AG in major Cameroonian cities and towns.
AIDS (London, England) 2002;16(2):295-6.
2001: Henry Mbah; Sherri Burda; Miroslaw K Gorny; Constance Williams; Kathy Revesz; Susan Zolla-Pazner; Phillipe N Nyambi
Effect of soluble CD4 on exposure of epitopes on primary, intact, native human immunodeficiency virus type 1 virions of different genetic clades.
Journal of virology 2001;75(16):7785-8.
2001: Phillipe N Nyambi; Sherri Burda; Lisa Lallos; Constance Williams
A virus binding assay for studying the antigenic landscape on intact, native, primary human immunodeficiency virus-type 1.
Journal of immunological methods 2001;253(1-2):253-62.
2000: Phillipe N Nyambi; Arthur Nádas; Henry Mbah; Sherri Burda; Constance Williams; Miroslaw K Gorny; Susan Zolla-Pazner
Immunoreactivity of intact virions of human immunodeficiency virus type 1 (HIV-1) reveals the existence of fewer HIV-1 immunotypes than genotypes.
Journal of virology 2000;74(22):10670-80.
2000: Els Beirnaert; Phillipe N Nyambi; Betty Willems; Leo Heyndrickx; Robert Colebunders; Wouter Janssens; Guido van der Groen
Identification and characterization of sera from HIV-infected individuals with broad cross-neutralizing activity against group M (env clade A-H) and group O primary HIV-1 isolates.
Journal of medical virology 2000;62(1):14-24.
2000: Phillipe N Nyambi; Henry Mbah; Sherri Burda; Constance Williams; Miroslaw K Gorny; Arthur Nádas; Susan Zolla-Pazner
Conserved and exposed epitopes on intact, native, primary human immunodeficiency virus type 1 virions of group M.
Journal of virology 2000;74(15):7096-107.
2000: Jacqueline M Achkar; Xiao-Hong Wang; Phillipe N Nyambi; Miroslaw K Gorny; Susan Zolla-Pazner; Juan C Bandrés
Polymerase chain reaction-based assay for antibody-mediated neutralization of HIV-1 reveals a population of nonneutralized virus undetected by conventional p24 assay.
Journal of acquired immune deficiency syndromes (1999) 2000;24(3):203-10.
1999: Susan Zolla-Pazner; Miroslaw K Gorny; Phillipe N Nyambi; Thomas C VanCott; Arthur Nádas
Immunotyping of human immunodeficiency virus type 1 (HIV): an approach to immunologic classification of HIV.
Journal of virology 1999;73(5):4042-51.
1998: Phillipe N Nyambi; Miroslaw K Gorny; Lisa Lallos; Guido van der Groen; Constance Williams; Susan Zolla-Pazner
Mapping of epitopes exposed on intact human immunodeficiency virus type 1 (HIV-1) virions: a new strategy for studying the immunologic relatedness of HIV-1.
Journal of virology 1998;72(11):9384-91.
1998: Guido van der Groen; Phillipe N Nyambi; Els Beirnaert; David Davis; Katrien Fransen; Leo Heyndrickx; Pascale Ondoa; Gert Van der Auwera; Wouter Janssens
Genetic variation of HIV type 1: relevance of interclade variation to vaccine development.
AIDS research and human retroviruses 1998;14 Suppl 3():S211-21.
1998: Dayaraj Cecilia; Vineet N KewalRamani; J O'Leary; Barbara Volsky; Phillipe N Nyambi; Sherri Burda; S Xu; Dan R Littman; Susan Zolla-Pazner
Neutralization profiles of primary human immunodeficiency virus type 1 isolates in the context of coreceptor usage.
Journal of virology 1998;72(9):6988-96.
1997: Phillipe N Nyambi; Paul J Lewi; M Peeters; Wouter Janssens; Leo Heyndrickx; Katrien Fransen; Koen Andries; M Vanden Haesevelde; Jonathan Luke Heeney; Peter Piot; Guido van der Groen
Study of the dynamics of neutralization escape mutants in a chimpanzee naturally infected with the simian immunodeficiency virus SIVcpz-ant.
Journal of virology 1997;71(3):2320-30.
1997: Phillipe N Nyambi; Betty Willems; Wouter Janssens; Katrien Fransen; John N Nkengasong; M Peeters; Katleen Vereecken; Leo Heyndrickx; Peter Piot; Guido van der Groen
The neutralization relationship of HIV type 1, HIV type 2, and SIVcpz is reflected in the genetic diversity that distinguishes them.
AIDS research and human retroviruses 1997;13(1):7-17.
1996: Phillipe N Nyambi; John N Nkengasong; Paul J Lewi; Koen Andries; Wouter Janssens; Katrien Fransen; Leo Heyndrickx; Peter Piot; Guido van der Groen
Multivariate analysis of human immunodeficiency virus type 1 neutralization data.
Journal of virology 1996;70(9):6235-43.
1996: Phillipe N Nyambi; Y Ville; joost louwagie; I Bedjabaga; E Glowaczower; M Peeters; D Kerouedan; MC Dazza; B Larouze; Guido van der Groen; Eric Delaporte
Mother-to-child transmission of human T-cell lymphotropic virus types I and II (HTLV-I/II) in Gabon: a prospective follow-up of 4 years.
Journal of acquired immune deficiency syndromes and human retrovirology : official publication of the International Retrovirology Association 1996;12(2):187-92.
1995: Phillipe N Nyambi; John N Nkengasong; M Peeters; F Simon; J Eberle; Wouter Janssens; Katrien Fransen; Betty Willems; Katleen Vereecken; Leo Heyndrickx
Reduced capacity of antibodies from patients infected with human immunodeficiency virus type 1 (HIV-1) group O to neutralize primary isolates of HIV-1 group M viruses.
The Journal of infectious diseases 1995;172(5):1228-37.
1995: John N Nkengasong; Phillipe N Nyambi; H Claeys; Hans De Beenhouwer; J P Collart; J Ayuk; Peter Ndumbe
Predominantly hepatitis C virus genotypes 1 and 2 are found in Cameroon.
The Journal of infectious diseases 1995;171(5):1380-1.
1995: John N Nkengasong; Hans De Beenhouwer; H Claeys; Phillipe N Nyambi; J Ayuk; Guido van der Groen; Peter Ndumbe
A pilot study of the prevalence of hepatitis C virus antibodies and hepatitis C virus RNA in southern Cameroon.
The American journal of tropical medicine and hygiene 1995;52(1):98-100.
1994: Phillipe N Nyambi; Katrien Fransen; Hans De Beenhouwer; Ephantus Njagi; Marleen Temmerman; J O Ndinya-Achola; Peter Piot; Guido van der Groen
Detection of human immunodeficiency virus type 1 (HIV-1) in heel prick blood on filter paper from children born to HIV-1-seropositive mothers.
Journal of clinical microbiology 1994;32(11):2858-60.