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Predictors of mortality within the first year of initiating antiretroviral therapy in urban and rural Kenya: A prospective cohort study.

Silverman RA, John-Stewart GC, Beck IA, Milne R, Kiptinness C, McGrath CJ, Richardson BA, Chohan B, Sakr SR, Frenkel LM, Chung MH.

PLoS One. 2019 Oct 4;14(10):e0223411. doi: 10.1371/journal.pone.0223411. eCollection 2019.


Triaging women with a pregnancy of unknown location using a two-step triage protocol including the M6 model: a clinical implementation study.

Bobdiwala S, Christodoulou E, Farren J, Mitchell-Jones N, Kyriacou C, Al-Memar M, Ayim F, Chohan B, Kirk E, Abughazza O, Guruwadahyarhalli B, Guha S, Vathanan V, Bottomley C, Gould D, Stalder C, Timmerman D, Van Calster B, Bourne T.

Ultrasound Obstet Gynecol. 2019 Aug 6. doi: 10.1002/uog.20420. [Epub ahead of print]


Correlates of HIV detection among breastfeeding postpartum Kenyan women eligible under Option B.

Chan M, Muriuki EM, Emery S, Kanthula R, Chohan V, Frenkel LM, Wald A, Chohan B, Overbaugh J, Roxby AC.

PLoS One. 2019 May 31;14(5):e0216252. doi: 10.1371/journal.pone.0216252. eCollection 2019.


Implementation of a comprehensive safer conception intervention for HIV-serodiscordant couples in Kenya: uptake, use and effectiveness.

Heffron R, Ngure K, Velloza J, Kiptinness C, Quame-Amalgo J, Oluch L, Thuo N, Njoroge J, Momanyi R, Gakuo S, Mbugua S, Morrison S, Haugen H, Chohan B, Celum C, Baeten JM, Mugo N.

J Int AIDS Soc. 2019 Apr;22(4):e25261. doi: 10.1002/jia2.25261.


Malignant Melanoma Treated with Topical Imiquimod: A Bespoke Treatment That Spared the Amputation.

Verga E, Chohan B, Verdolini R.

Case Rep Dermatol. 2019 Jan 10;11(1):1-6. doi: 10.1159/000496052. eCollection 2019 Jan-Apr.


A reciprocal feedback between the PDZ binding kinase and androgen receptor drives prostate cancer.

Warren AY, Massie CE, Watt K, Luko K, Orafidiya F, Selth LA, Mohammed H, Chohan BS, Menon S, Baridi A, Zhao W, Escriu C, Pungsrinont T, D'Santos C, Yang X, Taylor C, Qureshi A, Zecchini VR, Shaw GL, Dehm SM, Mills IG, Carroll JS, Tilley WD, McEwan IJ, Baniahmad A, Neal DE, Asim M.

Oncogene. 2019 Feb;38(7):1136-1150. doi: 10.1038/s41388-018-0501-z. Epub 2018 Sep 20.


Implementation of a point mutation assay for HIV drug resistance testing in Kenya.

Duarte HA, Beck IA, Levine M, Kiptinness C, Kingoo JM, Chohan B, Sakr SR, Chung MH, Frenkel LM.

AIDS. 2018 Oct 23;32(16):2301-2308. doi: 10.1097/QAD.0000000000001934.


Prevalence of Pre-antiretroviral-Treatment Drug Resistance by Gender, Age, and Other Factors in HIV-Infected Individuals Initiating Therapy in Kenya, 2013-2014.

Silverman RA, Beck IA, Kiptinness C, Levine M, Milne R, McGrath CJ, Bii S, Richardson BA, John-Stewart G, Chohan B, Sakr SR, Kiarie JN, Frenkel LM, Chung MH.

J Infect Dis. 2017 Dec 19;216(12):1569-1578. doi: 10.1093/infdis/jix544.


Infant/child rapid serology tests fail to reliably assess HIV exposure among sick hospitalized infants.

Wagner AD, Njuguna IN, Andere RA, Cranmer LM, Okinyi HM, Benki-Nugent S, Chohan BH, Maleche-Obimbo E, Wamalwa DC, John-Stewart GC.

AIDS. 2017 Jul 17;31(11):F1-F7. doi: 10.1097/QAD.0000000000001562.


Sustained Responses to Measles Revaccination at 24 Months in HIV-infected Children on Antiretroviral Therapy in Kenya.

Newman LP, Njoroge A, Magaret A, Chohan BH, Gitomea VW, Wald A, Gorstein J, Overbaugh J, Wamalwa D, Maleche-Obimbo E, Nduati R, Farquhar C.

Pediatr Infect Dis J. 2017 Dec;36(12):1148-1155. doi: 10.1097/INF.0000000000001572.


Stoma Complications: Corticosteroid and Silver Nitrate-Resistant Inflammation Successfully Treated with Topical Tacrolimus.

Verga E, Chohan B, Verdolini R.

Dig Surg. 2017;34(6):518-520. doi: 10.1159/000455335. Epub 2017 Feb 10. No abstract available.


Viral Evolution and Cytotoxic T Cell Restricted Selection in Acute Infant HIV-1 Infection.

Garcia-Knight MA, Slyker J, Payne BL, Pond SL, de Silva TI, Chohan B, Khasimwa B, Mbori-Ngacha D, John-Stewart G, Rowland-Jones SL, Esbjörnsson J.

Sci Rep. 2016 Jul 12;6:29536. doi: 10.1038/srep29536.


Treatment interruption after 2-year antiretroviral treatment initiated during acute/early HIV in infancy.

Wamalwa D, Benki-Nugent S, Langat A, Tapia K, Ngugi E, Moraa H, Maleche-Obimbo E, Otieno V, Inwani I, Richardson BA, Chohan B, Overbaugh J, John-Stewart GC.

AIDS. 2016 Sep 24;30(15):2303-13. doi: 10.1097/QAD.0000000000001158.


Increasing HIV-1 pretreatment drug resistance among antiretroviral-naïve adults initiating treatment between 2006 and 2014 in Nairobi, Kenya.

Chung MH, Silverman R, Beck IA, Yatich N, Dross S, McKernan-Mullin J, Bii S, Tapia K, Stern J, Chohan B, Sakr SR, Kiarie JN, Frenkel LM.

AIDS. 2016 Jun 19;30(10):1680-2. doi: 10.1097/QAD.0000000000001110.


Safety and Cost-Effectiveness of Same-Day Cardiac Resynchronization Therapy and Implantable Cardioverter Defibrillator Implantation.

Atherton G, McAloon CJ, Chohan B, Heining D, Anderson B, Barker J, Randeva H, Osman F.

Am J Cardiol. 2016 May 1;117(9):1488-93. doi: 10.1016/j.amjcard.2016.02.019. Epub 2016 Feb 17.


High Rates of Exclusive Breastfeeding in Both Arms of a Peer Counseling Study Promoting EBF Among HIV-Infected Kenyan Women.

Bosire R, Betz B, Aluisio A, Hughes JP, Nduati R, Kiarie J, Chohan BH, Merkel M, Lohman-Payne B, John-Stewart G, Farquhar C.

Breastfeed Med. 2016 Mar;11(2):56-63. doi: 10.1089/bfm.2015.0071. Epub 2016 Feb 17.


Same-day cardiac catheter ablation is safe and cost-effective: Experience from a UK tertiary center.

Theodoreson MD, Chohan BC, McAloon CJ, Sandhu A, Lancaster CJ, Yusuf S, Foster W, Osman F.

Heart Rhythm. 2015 Aug;12(8):1756-61. doi: 10.1016/j.hrthm.2015.05.006. Epub 2015 May 9.


Nevirapine Resistance in Previously Nevirapine-Unexposed HIV-1-Infected Kenyan Infants Initiating Early Antiretroviral Therapy.

Chohan BH, Tapia K, Benki-Nugent S, Khasimwa B, Ngayo M, Maleche-Obimbo E, Wamalwa D, Overbaugh J, John-Stewart G.

AIDS Res Hum Retroviruses. 2015 Aug;31(8):783-91. doi: 10.1089/AID.2014.0370. Epub 2015 Apr 22.


T cell anergy and activation are associated with suboptimal humoral responses to measles revaccination in HIV-infected children on anti-retroviral therapy in Nairobi, Kenya.

Buechler MB, Newman LP, Chohan BH, Njoroge A, Wamalwa D, Farquhar C.

Clin Exp Immunol. 2015 Sep;181(3):451-6. doi: 10.1111/cei.12619. Epub 2015 Jul 2.


PedVacc 002: a phase I/II randomized clinical trial of MVA.HIVA vaccine administered to infants born to human immunodeficiency virus type 1-positive mothers in Nairobi.

Njuguna IN, Ambler G, Reilly M, Ondondo B, Kanyugo M, Lohman-Payne B, Gichuhi C, Borthwick N, Black A, Mehedi SR, Sun J, Maleche-Obimbo E, Chohan B, John-Stewart GC, Jaoko W, Hanke T.

Vaccine. 2014 Oct 7;32(44):5801-8. doi: 10.1016/j.vaccine.2014.08.034. Epub 2014 Aug 27.


Pooled HIV-1 RNA viral load testing for detection of antiretroviral treatment failure in Kenyan children.

Chohan BH, Tapia K, Merkel M, Kariuki AC, Khasimwa B, Olago A, Gichohi R, Obimbo EM, Wamalwa DC.

J Acquir Immune Defic Syndr. 2013 Jul 1;63(3):e87-93. doi: 10.1097/QAI.0b013e318292f9cd.


Antibody-dependent cell-mediated virus inhibition antibody activity does not correlate with risk of HIV-1 superinfection.

Forthal DN, Landucci G, Chohan B, Richardson BA, McClelland RS, Jaoko W, Blish C, Overbaugh J.

J Acquir Immune Defic Syndr. 2013 May 1;63(1):31-3. doi: 10.1097/QAI.0b013e3182874d41.


Efficacy of an incident-reporting system in cellular pathology: a practical experience.

Rakha EA, Clark D, Chohan BS, El-Sayed M, Sen S, Bakowski L, O'Connor S.

J Clin Pathol. 2012 Jul;65(7):643-8. doi: 10.1136/jclinpath-2011-200453. Epub 2012 Mar 24.


Low-frequency nevirapine resistance at multiple sites may predict treatment failure in infants on nevirapine-based treatment.

Lehman DA, Wamalwa DC, McCoy CO, Matsen FA, Langat A, Chohan BH, Benki-Nugent S, Custers-Allen R, Bushman FD, John-Stewart GC, Overbaugh J.

J Acquir Immune Defic Syndr. 2012 Jul 1;60(3):225-33. doi: 10.1097/QAI.0b013e3182515730.


Quenching of tryptophan fluorescence in various proteins by a series of small nickel complexes.

Crouse HF, Potoma J, Nejrabi F, Snyder DL, Chohan BS, Basu S.

Dalton Trans. 2012 Mar 7;41(9):2720-31. doi: 10.1039/c2dt12169g. Epub 2012 Jan 16.


Exhaustive oxidation of a nickel dithiolate complex: some mechanistic insights en route to sulfate formation.

Hosler ER, Herbst RW, Maroney MJ, Chohan BS.

Dalton Trans. 2012 Jan 21;41(3):804-16. doi: 10.1039/c1dt11032b. Epub 2011 Nov 10.


Evaluation of a single round polymerase chain reaction assay using dried blood spots for diagnosis of HIV-1 infection in infants in an African setting.

Chohan BH, Emery S, Wamalwa D, John-Stewart G, Majiwa M, Ng'ayo M, Froggett S, Overbaugh J.

BMC Pediatr. 2011 Feb 18;11:18. doi: 10.1186/1471-2431-11-18.


HIV-1 superinfection and its implications for vaccine design.

Chohan BH, Piantadosi A, Overbaugh J.

Curr HIV Res. 2010 Dec;8(8):596-601. Review.


HIV-1 evolution in gag and env is highly correlated but exhibits different relationships with viral load and the immune response.

Piantadosi A, Chohan B, Panteleeff D, Baeten JM, Mandaliya K, Ndinya-Achola JO, Overbaugh J.

AIDS. 2009 Mar 13;23(5):579-87. doi: 10.1097/QAD.0b013e328328f76e.


Human immunodeficiency virus type 1 superinfection occurs despite relatively robust neutralizing antibody responses.

Blish CA, Dogan OC, Derby NR, Nguyen MA, Chohan B, Richardson BA, Overbaugh J.

J Virol. 2008 Dec;82(24):12094-103. doi: 10.1128/JVI.01730-08. Epub 2008 Oct 8.


Examination of a second region of the HIV type 1 genome reveals additional cases of superinfection.

Piantadosi A, Ngayo MO, Chohan B, Overbaugh J.

AIDS Res Hum Retroviruses. 2008 Sep;24(9):1221. doi: 10.1089/aid.2008.0100.


Chronic HIV-1 infection frequently fails to protect against superinfection.

Piantadosi A, Chohan B, Chohan V, McClelland RS, Overbaugh J.

PLoS Pathog. 2007 Nov;3(11):e177.


Primary isolates of human immunodeficiency virus type 1 are usually dominated by the major variants found in blood.

Voronin Y, Chohan B, Emerman M, Overbaugh J.

J Virol. 2007 Oct;81(19):10232-41. Epub 2007 Jul 25.


HIV-1 subtype D infection is associated with faster disease progression than subtype A in spite of similar plasma HIV-1 loads.

Baeten JM, Chohan B, Lavreys L, Chohan V, McClelland RS, Certain L, Mandaliya K, Jaoko W, Overbaugh J.

J Infect Dis. 2007 Apr 15;195(8):1177-80. Epub 2007 Mar 2.


Selective oxidations of a dithiolate complex produce a mixed sulfonate/thiolate complex.

Chohan BS, Maroney MJ.

Inorg Chem. 2006 Mar 6;45(5):1906-8.


Evidence for frequent reinfection with human immunodeficiency virus type 1 of a different subtype.

Chohan B, Lavreys L, Rainwater SM, Overbaugh J.

J Virol. 2005 Aug;79(16):10701-8.


Effect of contraceptive methods on natural history of HIV: studies from the Mombasa cohort.

Baeten JM, Lavreys L, Sagar M, Kreiss JK, Richardson BA, Chohan B, Panteleeff D, Mandaliya K, Ndinya-Achola JO, Overbaugh J, Farley T, Mwachari C, Cohen C, Chipato T, Jaisamrarn U, Kiriwat O, Duerr A.

J Acquir Immune Defic Syndr. 2005 Mar;38 Suppl 1:S18-21. No abstract available.


A family of dioxo-molybdenum(VI) complexes of N2X heteroscorpionate ligands of relevance to molybdoenzymes.

Hammes BS, Chohan BS, Hoffman JT, Einwächter S, Carrano CJ.

Inorg Chem. 2004 Nov 29;43(24):7800-6.


Ligand oxidations in high-spin nickel thiolate complexes and zinc analogues.

Chohan BS, Shoner SC, Kovacs JA, Maroney MJ.

Inorg Chem. 2004 Nov 29;43(24):7726-34.


Isomerization and oxygen atom transfer reactivity in oxo-Mo complexes of relevance to molybdoenzymes.

Hoffman JT, Einwaechter S, Chohan BS, Basu P, Carrano CJ.

Inorg Chem. 2004 Nov 29;43(24):7573-5. Erratum in: Inorg Chem. 2005 Jan 10;44(1):158.


Shedding of human herpesvirus 8 in oral and genital secretions from HIV-1-seropositive and -seronegative Kenyan women.

Taylor MM, Chohan B, Lavreys L, Hassan W, Huang ML, Corey L, Ashley Morrow R, Richardson BA, Mandaliya K, Ndinya-Achola J, Bwayo J, Kreiss J.

J Infect Dis. 2004 Aug 1;190(3):484-8. Epub 2004 Jul 7.


Evaluation of a GP practice based homeopathy service.

Slade K, Chohan BP, Barker PJ.

Homeopathy. 2004 Apr;93(2):67-70.


Human herpesvirus 8 seroconversion in Kenyan women by enzyme-linked immunosorbent assay and immunofluorescence assay.

Chohan BH, Taylor H, Obrigewitch R, Lavreys L, Richardson BA, Mandaliya KN, Bwayo JJ, Kreiss JK, Morrow RA.

J Clin Virol. 2004 Jun;30(2):137-44.


The effect of hormonal contraception on genital tract shedding of HIV-1.

Wang CC, McClelland RS, Overbaugh J, Reilly M, Panteleeff DD, Mandaliya K, Chohan B, Lavreys L, Ndinya-Achola J, Kreiss JK.

AIDS. 2004 Jan 23;18(2):205-9.


Injectable contraceptive use and genital ulcer disease during the early phase of HIV-1 infection increase plasma virus load in women.

Lavreys L, Baeten JM, Kreiss JK, Richardson BA, Chohan BH, Hassan W, Panteleeff DD, Mandaliya K, Ndinya-Achola JO, Overbaugh J.

J Infect Dis. 2004 Jan 15;189(2):303-11. Epub 2004 Jan 9.


Infection with multiple human immunodeficiency virus type 1 variants is associated with faster disease progression.

Sagar M, Lavreys L, Baeten JM, Richardson BA, Mandaliya K, Chohan BH, Kreiss JK, Overbaugh J.

J Virol. 2003 Dec;77(23):12921-6.

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