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Exposure to Ebola Virus and Risk for Infection with Malaria Parasites, Rural Gabon.

Abbate JL, Becquart P, Leroy E, Ezenwa VO, Roche B.

Emerg Infect Dis. 2020 Feb;26(2):229-237. doi: 10.3201/eid2602.181120. Epub 2020 Feb 17.


Next-Generation Sequencing on Insectivorous Bat Guano: An Accurate Tool to Identify Arthropod Viruses of Potential Agricultural Concern.

Bourgarel M, Noël V, Pfukenyi D, Michaux J, André A, Becquart P, Cerqueira F, Barrachina C, Boué V, Talignani L, Matope G, Missé D, Morand S, Liégeois F.

Viruses. 2019 Nov 28;11(12). pii: E1102. doi: 10.3390/v11121102.


Mucosal Administration of E-selectin Limits Disability in Models of Multiple Sclerosis.

Quandt JA, Becquart P, Kamma E, Hallenbeck J.

Front Mol Neurosci. 2019 Aug 27;12:190. doi: 10.3389/fnmol.2019.00190. eCollection 2019.


Re-emergence of chikungunya in the Republic of the Congo in 2019 associated with a possible vector-host switch.

Fritz M, Taty Taty R, Portella C, Guimbi C, Mankou M, Leroy EM, Becquart P.

Int J Infect Dis. 2019 Jul;84:99-101. doi: 10.1016/j.ijid.2019.05.013. Epub 2019 May 13.


High prevalence and diversity of hepatitis B and hepatitis delta virus in Gabon.

Groc S, Abbate JL, Le Gal F, Gerber A, Tuaillon E, Albert JL, Nkoghé D, Leroy EM, Roche B, Becquart P.

J Viral Hepat. 2019 Jan;26(1):170-182. doi: 10.1111/jvh.12991. Epub 2018 Sep 19.


Identification of Dengue and Chikungunya Cases Among Suspected Cases of Yellow Fever in the Democratic Republic of the Congo.

Makiala-Mandanda S, Ahuka-Mundeke S, Abbate JL, Pukuta-Simbu E, Nsio-Mbeta J, Berthet N, Leroy EM, Becquart P, Muyembe-Tamfum JJ.

Vector Borne Zoonotic Dis. 2018 Jul;18(7):364-370. doi: 10.1089/vbz.2017.2176. Epub 2018 May 16.


Evolution in fecal bacterial/viral composition in infants of two central African countries (Gabon and Republic of the Congo) during their first month of life.

Brazier L, Elguero E, Koumavor CK, Renaud N, Prugnolle F, Thomas F, Ategbo S, Engoba M, Obengui, Leroy EM, Durand P, Renaud F, Becquart P.

PLoS One. 2017 Oct 2;12(10):e0185569. doi: 10.1371/journal.pone.0185569. eCollection 2017.


High Prevalence and Diversity of Hepatitis Viruses in Suspected Cases of Yellow Fever in the Democratic Republic of Congo.

Makiala-Mandanda S, Le Gal F, Ngwaka-Matsung N, Ahuka-Mundeke S, Onanga R, Bivigou-Mboumba B, Pukuta-Simbu E, Gerber A, Abbate JL, Mwamba D, Berthet N, Leroy EM, Muyembe-Tamfum JJ, Becquart P.

J Clin Microbiol. 2017 May;55(5):1299-1312. doi: 10.1128/JCM.01847-16. Epub 2017 Feb 15.


Human mesenchymal stem cell responses to hydrostatic pressure and shear stress.

Becquart P, Cruel M, Hoc T, Sudre L, Pernelle K, Bizios R, Logeart-Avramoglou D, Petite H, Bensidhoum M.

Eur Cell Mater. 2016 Feb 19;31:160-73.


Interdisciplinarity and Infectious Diseases: An Ebola Case Study.

Ezenwa VO, Prieur-Richard AH, Roche B, Bailly X, Becquart P, García-Peña GE, Hosseini PR, Keesing F, Rizzoli A, Suzán G, Vignuzzi M, Vittecoq M, Mills JN, Guégan JF.

PLoS Pathog. 2015 Aug 6;11(8):e1004992. doi: 10.1371/journal.ppat.1004992. eCollection 2015 Aug. No abstract available.


Malaria continues to select for sickle cell trait in Central Africa.

Elguero E, Délicat-Loembet LM, Rougeron V, Arnathau C, Roche B, Becquart P, Gonzalez JP, Nkoghe D, Sica L, Leroy EM, Durand P, Ayala FJ, Ollomo B, Renaud F, Prugnolle F.

Proc Natl Acad Sci U S A. 2015 Jun 2;112(22):7051-4. doi: 10.1073/pnas.1505665112. Epub 2015 May 4.


Numerical Study of Granular Scaffold Efficiency to Convert Fluid Flow into Mechanical Stimulation in Bone Tissue Engineering.

Cruel M, Bensidhoum M, Nouguier-Lehon C, Dessombz O, Becquart P, Petite H, Hoc T.

Tissue Eng Part C Methods. 2015 Sep;21(9):863-71. doi: 10.1089/ten.TEC.2014.0648. Epub 2015 Apr 6.


Identification of continuous human B-cell epitopes in the VP35, VP40, nucleoprotein and glycoprotein of Ebola virus.

Becquart P, Mahlakõiv T, Nkoghe D, Leroy EM.

PLoS One. 2014 Jun 10;9(6):e96360. doi: 10.1371/journal.pone.0096360. eCollection 2014.


Patterns of selection on Plasmodium falciparum erythrocyte-binding antigens after the colonization of the New World.

Yalcindag E, Rougeron V, Elguero E, Arnathau C, Durand P, Brisse S, Diancourt L, Aubouy A, Becquart P, D'Alessandro U, Fontenille D, Gamboa D, Maestre A, Ménard D, Musset L, Noya O, Veron V, Wide A, Carme B, Legrand E, Chevillon C, Ayala FJ, Renaud F, Prugnolle F.

Mol Ecol. 2014 Apr;23(8):1979-93.


Prevalence of the sickle cell trait in Gabon: a nationwide study.

Délicat-Loembet LM, Elguero E, Arnathau C, Durand P, Ollomo B, Ossari S, Mezui-me-ndong J, Mbang Mboro T, Becquart P, Nkoghe D, Leroy E, Sica L, Gonzalez JP, Prugnolle F, Renaud F.

Infect Genet Evol. 2014 Jul;25:52-6. doi: 10.1016/j.meegid.2014.04.003. Epub 2014 Apr 13.


The pH in the microenvironment of human mesenchymal stem cells is a critical factor for optimal osteogenesis in tissue-engineered constructs.

Monfoulet LE, Becquart P, Marchat D, Vandamme K, Bourguignon M, Pacard E, Viateau V, Petite H, Logeart-Avramoglou D.

Tissue Eng Part A. 2014 Jul;20(13-14):1827-40. doi: 10.1089/ten.TEA.2013.0500. Epub 2014 Feb 24.


The stability of BMP loaded polyelectrolyte multilayer coatings on titanium.

Guillot R, Gilde F, Becquart P, Sailhan F, Lapeyrere A, Logeart-Avramoglou D, Picart C.

Biomaterials. 2013 Jul;34(23):5737-46. doi: 10.1016/j.biomaterials.2013.03.067. Epub 2013 May 2.


Diversity, host switching and evolution of Plasmodium vivax infecting African great apes.

Prugnolle F, Rougeron V, Becquart P, Berry A, Makanga B, Rahola N, Arnathau C, Ngoubangoye B, Menard S, Willaume E, Ayala FJ, Fontenille D, Ollomo B, Durand P, Paupy C, Renaud F.

Proc Natl Acad Sci U S A. 2013 May 14;110(20):8123-8. doi: 10.1073/pnas.1306004110. Epub 2013 May 1.


Recent introduction and rapid dissemination of Chikungunya virus and Dengue virus serotype 2 associated with human and mosquito coinfections in Gabon, central Africa.

Caron M, Paupy C, Grard G, Becquart P, Mombo I, Nso BB, Kassa Kassa F, Nkoghe D, Leroy EM.

Clin Infect Dis. 2012 Sep;55(6):e45-53. doi: 10.1093/cid/cis530. Epub 2012 Jun 5.


Ischemia is the prime but not the only cause of human multipotent stromal cell death in tissue-engineered constructs in vivo.

Becquart P, Cambon-Binder A, Monfoulet LE, Bourguignon M, Vandamme K, Bensidhoum M, Petite H, Logeart-Avramoglou D.

Tissue Eng Part A. 2012 Oct;18(19-20):2084-94. doi: 10.1089/ten.TEA.2011.0690. Epub 2012 Jun 25.


Clinical forms of chikungunya in Gabon, 2010.

Nkoghe D, Kassa RF, Caron M, Grard G, Mombo I, Bikié B, Paupy C, Becquart P, Bisvigou U, Leroy EM.

PLoS Negl Trop Dis. 2012;6(2):e1517. doi: 10.1371/journal.pntd.0001517. Epub 2012 Feb 14.


Risk factors for Zaire ebolavirus--specific IgG in rural Gabonese populations.

Nkoghe D, Padilla C, Becquart P, Wauquier N, Moussavou G, Akué JP, Ollomo B, Pourrut X, Souris M, Kazanji M, Gonzalez JP, Leroy E.

J Infect Dis. 2011 Nov;204 Suppl 3:S768-75. doi: 10.1093/infdis/jir344.


Unconventional repertoire profile is imprinted during acute chikungunya infection for natural killer cells polarization toward cytotoxicity.

Petitdemange C, Becquart P, Wauquier N, Béziat V, Debré P, Leroy EM, Vieillard V.

PLoS Pathog. 2011 Sep;7(9):e1002268. doi: 10.1371/journal.ppat.1002268. Epub 2011 Sep 22.


The performance of BMP-2 loaded TCP/HAP porous ceramics with a polyelectrolyte multilayer film coating.

Crouzier T, Sailhan F, Becquart P, Guillot R, Logeart-Avramoglou D, Picart C.

Biomaterials. 2011 Oct;32(30):7543-54. doi: 10.1016/j.biomaterials.2011.06.062. Epub 2011 Jul 23.


Modulation of HIV Binding to Epithelial Cells and HIV Transfer from Immature Dendritic Cells to CD4 T Lymphocytes by Human Lactoferrin and its Major Exposed LF-33 Peptide.

Carthagena L, Becquart P, Hocini H, Kazatchkine MD, Bouhlal H, Belec L.

Open Virol J. 2011;5:27-34. doi: 10.2174/1874357901105010027. Epub 2011 Apr 15.


The acute phase of Chikungunya virus infection in humans is associated with strong innate immunity and T CD8 cell activation.

Wauquier N, Becquart P, Nkoghe D, Padilla C, Ndjoyi-Mbiguino A, Leroy EM.

J Infect Dis. 2011 Jul 1;204(1):115-23. doi: 10.1093/infdis/jiq006. Epub 2010 Dec 14.


Evidence for Ebola virus superantigen activity.

Leroy EM, Becquart P, Wauquier N, Baize S.

J Virol. 2011 Apr;85(8):4041-2. doi: 10.1128/JVI.00181-11. Epub 2011 Feb 9. No abstract available.


Acute dengue virus 2 infection in Gabonese patients is associated with an early innate immune response, including strong interferon alpha production.

Becquart P, Wauquier N, Nkoghe D, Ndjoyi-Mbiguino A, Padilla C, Souris M, Leroy EM.

BMC Infect Dis. 2010 Dec 17;10:356. doi: 10.1186/1471-2334-10-356.


Human fatal zaire ebola virus infection is associated with an aberrant innate immunity and with massive lymphocyte apoptosis.

Wauquier N, Becquart P, Padilla C, Baize S, Leroy EM.

PLoS Negl Trop Dis. 2010 Oct 5;4(10). pii: e837. doi: 10.1371/journal.pntd.0000837.


Association of KIR2DS1 and KIR2DS3 with fatal outcome in Ebola virus infection.

Wauquier N, Padilla C, Becquart P, Leroy E, Vieillard V.

Immunogenetics. 2010 Dec;62(11-12):767-71. doi: 10.1007/s00251-010-0480-x. Epub 2010 Sep 29.


High prevalence of both humoral and cellular immunity to Zaire ebolavirus among rural populations in Gabon.

Becquart P, Wauquier N, Mahlakõiv T, Nkoghe D, Padilla C, Souris M, Ollomo B, Gonzalez JP, De Lamballerie X, Kazanji M, Leroy EM.

PLoS One. 2010 Feb 9;5(2):e9126. doi: 10.1371/journal.pone.0009126. Erratum in: PLoS One. 2010;5(2) doi: 10.1371/annotation/9bc62f9e-8386-4e9b-951c-1eeba930a41c.


Comparison of the Generic HIV Viral Load assay with the Amplicor HIV-1 monitor v1.5 and Nuclisens HIV-1 EasyQ v1.2 techniques for plasma HIV-1 RNA quantitation of non-B subtypes: the Kesho Bora preparatory study.

Rouet F, Foulongne V, Viljoen J, Steegen K, Becquart P, Valéa D, Danaviah S, Segondy M, Verhofstede C, Van de Perre P; WHO/ANRS 1289 Kesho Bora Study Group.

J Virol Methods. 2010 Feb;163(2):253-7. doi: 10.1016/j.jviromet.2009.10.005. Epub 2009 Oct 27.


Immunoglobulin G in Ebola outbreak survivors, Gabon.

Wauquier N, Becquart P, Gasquet C, Leroy EM.

Emerg Infect Dis. 2009 Jul;15(7):1136-7. doi: 10.3201/eid1507.090402. No abstract available.


Human milk-derived B cells: a highly activated switched memory cell population primed to secrete antibodies.

Tuaillon E, Valea D, Becquart P, Al Tabaa Y, Meda N, Bollore K, Van de Perre P, Vendrell JP.

J Immunol. 2009 Jun 1;182(11):7155-62. doi: 10.4049/jimmunol.0803107.


Concurrent chikungunya and dengue virus infections during simultaneous outbreaks, Gabon, 2007.

Leroy EM, Nkoghe D, Ollomo B, Nze-Nkogue C, Becquart P, Grard G, Pourrut X, Charrel R, Moureau G, Ndjoyi-Mbiguino A, De-Lamballerie X.

Emerg Infect Dis. 2009 Apr;15(4):591-3. doi: 10.3201/eid1504.080664.


Roles of clinical and subclinical reactivated herpes simplex virus type 2 infection and human immunodeficiency virus type 1 (HIV-1)-induced immunosuppression on genital and plasma HIV-1 levels.

Nagot N, Ouedraogo A, Konate I, Weiss HA, Foulongne V, Defer MC, Sanon A, Becquart P, Segondy M, Sawadogo A, Van de Perre P, Mayaud P; ANRS 1285 Study Group.

J Infect Dis. 2008 Jul 15;198(2):241-9. doi: 10.1086/589621.


Longitudinal effect following initiation of highly active antiretroviral therapy on plasma and cervico-vaginal HIV-1 RNA among women in Burkina Faso.

Nagot N, Ouedraogo A, Weiss HA, Konate I, Sanon A, Defer MC, Sawadogo A, Andonaba JB, Vallo R, Becquart P, Segondy M, Mayaud P, Van de Perre P; Yerelon Study Group.

Sex Transm Infect. 2008 Jun;84(3):167-70. Epub 2007 Nov 30.


Neutralizing monoclonal antibodies to human immunodeficiency virus type 1 do not inhibit viral transcytosis through mucosal epithelial cells.

Chomont N, Hocini H, Gody JC, Bouhlal H, Becquart P, Krief-Bouillet C, Kazatchkine M, Bélec L.

Virology. 2008 Jan 20;370(2):246-54. Epub 2007 Oct 24.


HIV-1 co-infection prevalence in two cohorts of early HIV-1 seroconverters in France.

Courgnaud V, Seng R, Becquart P, Boulahtouf A, Rouzioux C, Boufassa F, Deveau C, Van De Perre P, Meyer L, Foulongne V.

AIDS. 2007 May 11;21(8):1055-6.


Isolation and characterization of HIV-1-infected resting CD4+ T lymphocytes in breast milk.

Petitjean G, Becquart P, Tuaillon E, Al Tabaa Y, Valea D, Huguet MF, Meda N, Van de Perre P, Vendrell JP.

J Clin Virol. 2007 May;39(1):1-8. Epub 2007 Mar 26.


Diversity of HIV-1 RNA and DNA in breast milk from HIV-1-infected mothers.

Becquart P, Courgnaud V, Willumsen J, Van de Perre P.

Virology. 2007 Jul 5;363(2):256-60. Epub 2007 Mar 1.


Reduction of HIV-1 RNA levels with therapy to suppress herpes simplex virus.

Nagot N, Ouédraogo A, Foulongne V, Konaté I, Weiss HA, Vergne L, Defer MC, Djagbaré D, Sanon A, Andonaba JB, Becquart P, Segondy M, Vallo R, Sawadogo A, Van de Perre P, Mayaud P; ANRS 1285 Study Group.

N Engl J Med. 2007 Feb 22;356(8):790-9.


Early archives of genetically-restricted proviral DNA in the female genital tract after heterosexual transmission of HIV-1.

Chomont N, Hocini H, Grésenguet G, Brochier C, Bouhlal H, Andréoletti L, Becquart P, Charpentier C, de Dieu Longo J, Si-Mohamed A, Kazatchkine MD, Bélec L.

AIDS. 2007 Jan 11;21(2):153-62.


Compartment-specific HIV-1 resting T-cell reservoirs.

Petitjean G, Becquart P, Al Tabaa Y, Vendrell JP, Van de Perre P.

AIDS. 2006 Jun 12;20(9):1338-40. No abstract available.


Detection of a large T-cell reservoir able to replicate HIV-1 actively in breast milk.

Becquart P, Petitjean G, Tabaa YA, Valéa D, Huguet MF, Tuaillon E, Meda N, Vendrell JP, Van de Perre P.

AIDS. 2006 Jun 26;20(10):1453-5.


Quantitation of HIV-1 RNA in breast milk by real time PCR.

Becquart P, Foulongne V, Willumsen J, Rouzioux C, Segondy M, Van de Perre P.

J Virol Methods. 2006 Apr;133(1):109-11. Epub 2005 Dec 15.


Longitudinal assessment of HIV-1 and HSV-2 shedding in the genital tract of West African women.

Nagot N, Foulongne V, Becquart P, Mayaud P, Konate I, Ouedraogo A, Defer MC, Weiss H, Van de Perre P, Segondy M.

J Acquir Immune Defic Syndr. 2005 Aug 15;39(5):632-4.


Human immunodeficiency virus type 1 (HIV-1) antigen secretion by latently infected resting CD4+ T lymphocytes from HIV-1-infected individuals.

Fondere JM, Petitjean G, Huguet MF, Salhi SL, Baillat V, Macura-Biegun A, Becquart P, Reynes J, Vendrell JP.

J Virol. 2004 Oct;78(19):10536-42. Erratum in: J Virol. 2004 Nov;78(22):12722. Macura-Biegum, Anna [corrected to Macura-Biegun, Anna].


Mucosal humoral immune response to hepatitis C virus E1/E2 surface glycoproteins and HCV shedding in saliva and cervicovaginal fluids from chronically HCV-infected patients.

Bélec L, Legoff J, Si-Mohamed A, Bloch F, Mbopi Keou FX, Becquart P, Matta M, Prazuck T, Petite JP, Gutmann L, Payan C.

J Hepatol. 2003 Jun;38(6):833-42.


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