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L. Zijenah · SciRah

Researcher profile · Semantic Scholar

L. Zijenah

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L. Zijenah — researcher profile on SciRah

h-index: 33
Works: 82
Citations: 4,864

Most-cited papers

Advances in tuberculosis diagnostics: the Xpert MTB/RIF assay and future prospects for a point-of-care test
S. Lawn, P. Mwaba, M. Bates, A. Piatek +15 more
2013Lancet. Infectious Diseases (Print)467 citations Open access
Semantic Scholar
Feasibility, accuracy, and clinical effect of point-of-care Xpert MTB/RIF testing for tuberculosis in primary-care settings in Africa: a multicentre, randomised, controlled trial.
G. Theron, L. Zijenah, D. Chanda, P. Clowes +12 more
2014The Lancet447 citations
Semantic Scholar
Drug-resistant tuberculosis: time for visionary political leadership.
I. Abubakar, M. Zignol, D. Falzon, M. Raviglione +27 more
2013Lancet. Infectious Diseases (Print)279 citations Open access
Semantic Scholar
Tuberculosis 2013: 3 Tuberculosis comorbidity with communicable and non-communicable diseases: integrating health services and control eﬀ orts
B. Marais, K. Lönnroth, S. Lawn, G. Migliori +13 more
2013270 citations
Semantic Scholar
Effect on mortality of point-of-care, urine-based lipoarabinomannan testing to guide tuberculosis treatment initiation in HIV-positive hospital inpatients: a pragmatic, parallel-group, multicountry, open-label, randomised controlled trial.
J. Peter, L. Zijenah, D. Chanda, P. Clowes +17 more
2016The Lancet252 citations
Semantic Scholar
Hierarchical Targeting of Subtype C Human Immunodeficiency Virus Type 1 Proteins by CD8+ T Cells: Correlation with Viral Load
Agatha M. Masemola, T. Mashishi, G. Khoury, P. Mohube +14 more
2004Journal of Virology250 citations Open access
Semantic Scholar
Tuberculosis diagnostics and biomarkers: needs, challenges, recent advances, and opportunities.
R. McNerney, M. Maeurer, I. Abubakar, B. Marais +26 more
2012Journal of Infectious Diseases218 citations Open access
Semantic Scholar
Effects of a single large dose of vitamin A, given during the postpartum period to HIV-positive women and their infants, on child HIV infection, HIV-free survival, and mortality.
J. Humphrey, P. Iliff, E. Marinda, K. Mutasa +13 more
2006Journal of Infectious Diseases208 citations
Semantic Scholar
CYP3A5 GENETIC POLYMORPHISMS IN DIFFERENT ETHNIC POPULATIONS
Jean-Nicholas Roy, J. Lajoie, L. Zijenah, A. Barama +3 more
2005Drug Metabolism And Disposition191 citations
Semantic Scholar
Effect of postpartum maternal or neonatal vitamin A supplementation on infant mortality among infants born to HIV-negative mothers in Zimbabwe.
L. Malaba, P. Iliff, K. Nathoo, E. Marinda +5 more
2005American Journal of Clinical Nutrition171 citations Open access
Semantic Scholar
High Frequency of Syncytium-Inducing and CXCR4-Tropic Viruses among Human Immunodeficiency Virus Type 1 Subtype C-Infected Patients Receiving Antiretroviral Treatment
Elizabeth Johnston, L. Zijenah, Solomon Mutetwa, R. Kantor +2 more
2003Journal of Virology123 citations Open access
Semantic Scholar
Genetic variants in nonclassical major histocompatibility complex class I human leukocyte antigen (HLA)-E and HLA-G molecules are associated with susceptibility to heterosexual acquisition of HIV-1.
J. Lajoie, J. Hargrove, L. Zijenah, J. Humphrey +2 more
2006Journal of Infectious Diseases104 citations
Semantic Scholar
HLA-G and HLA-E polymorphisms in an indigenous African population. The ZVITAMBO Study Group.
Claudine Matte, Julie Lacaille, L. Zijenah, Brian J. Ward +1 more
2000Human Immunology98 citations
Semantic Scholar
Timing of mother-to-child transmission of HIV-1 and infant mortality in the first 6 months of life in Harare, Zimbabwe
L. Zijenah, L. Moulton, P. Iliff, K. Nathoo +6 more
2004AIDS (London)91 citations Open access
Semantic Scholar
Psychological distress and its relationship with non-adherence to TB treatment: a multicentre study
G. Theron, J. Peter, L. Zijenah, D. Chanda +14 more
2015BMC Infectious Diseases82 citations Open access
Semantic Scholar
Effect of new tuberculosis diagnostic technologies on community-based intensified case finding: a multicentre randomised controlled trial.
G. Calligaro, L. Zijenah, J. Peter, G. Theron +9 more
2017Lancet. Infectious Diseases (Print)78 citations
Semantic Scholar
HIV incidence among post-partum women in Zimbabwe: risk factors and the effect of vitamin A supplementation
J. Humphrey, J. Hargrove, L. Malaba, P. Iliff +8 more
2006AIDS (London)76 citations Open access
Semantic Scholar
Breast-milk shedding of drug-resistant HIV-1 subtype C in women exposed to single-dose nevirapine.
Esther J Lee, R. Kantor, L. Zijenah, Wayne Sheldon +12 more
2005Journal of Infectious Diseases75 citations Open access
Semantic Scholar
HIV-1 Subtype C Reverse Transcriptase and Protease Genotypes in Zimbabwean Patients Failing Antiretroviral Therapy
R. Kantor, L. Zijenah, R. Shafer, Solomon Mutetwa +5 more
2002AIDS Research and Human Retroviruses74 citations Open access
Semantic Scholar
Novel and Promiscuous CTL Epitopes in Conserved Regions of Gag Targeted by Individuals with Early Subtype C HIV Type 1 Infection from Southern Africa1
Agatha M. Masemola, T. Mashishi, G. Khoury, H. Bredell +17 more
2004Journal of Immunology69 citations Open access
Semantic Scholar
Functionally active HLA-G polymorphisms are associated with the risk of heterosexual HIV-1 infection in African women
Claudine Matte, J. Lajoie, Julie Lacaille, L. Zijenah +2 more
2004AIDS (London)66 citations Open access
Semantic Scholar
Effect of Xpert MTB/RIF on clinical outcomes in routine care settings: individual patient data meta-analysis
G. D. Di Tanna, A. Khaki, G. Theron, K. McCarthy +20 more
2019Lancet Global Health63 citations Open access
Semantic Scholar
Affordable flow cytometry for enumeration of absolute CD4+ T-lymphocytes to identify subtype C HIV-1 infected adults requiring antiretroviral therapy (ART) and monitoring response to ART in a resource-limited setting
L. Zijenah, G. Kadzirange, Simon Madzime, M. Borok +5 more
2006Journal of Translational Medicine50 citations Open access
Semantic Scholar
Point of care Xpert MTB/RIF versus smear microscopy for tuberculosis diagnosis in southern African primary care clinics: a multicentre economic evaluation
A. Pooran, G. Theron, L. Zijenah, D. Chanda +11 more
2019Lancet Global Health49 citations Open access
Semantic Scholar
Mortality and Morbidity Among Postpartum HIV-Positive and HIV-Negative Women in Zimbabwe: Risk Factors, Causes, and Impact of Single-Dose Postpartum Vitamin A Supplementation
P. Zvandasara, J. Hargrove, R. Ntozini, Henry Chidawanyika +11 more
2006Journal of Acquired Immune Deficiency Syndromes49 citations Open access
Semantic Scholar
Mortality in the first 2 years among infants born to human immunodeficiency virus-infected women in Harare, Zimbabwe.
L. Zijenah, M. T. Mbizvo, J. Kasule, K. Nathoo +5 more
1998Journal of Infectious Diseases49 citations Open access
Semantic Scholar
CD4 T cell measurements in the management of antiretroviral therapy—A review with an emphasis on pediatric HIV‐infected patients
M. O'Gorman, L. Zijenah
2008Cytometry. Part B, Clinical cytometry43 citations Open access
Semantic Scholar
T lymphocytes among HIV-infected and -uninfected infants: CD4/CD8 ratio as a potential tool in diagnosis of infection in infants under the age of 2 years
L. Zijenah, D. Katzenstein, K. Nathoo, S. Rusakaniko +6 more
2005Journal of Translational Medicine42 citations Open access
Semantic Scholar
Genetic Analyses of HIV-1 env Sequences Demonstrate Limited Compartmentalization in Breast Milk and Suggest Viral Replication within the Breast That Increases with Mastitis
S. Gantt, Jacquelyn Carlsson, Laura Heath, M. Bull +8 more
2010Journal of Virology39 citations Open access
Semantic Scholar
Drug Resistance in Plasma and Breast Milk after Single-Dose Nevirapine in Subtype C HIV Type 1: Population and Clonal Sequence Analysis
Seble G. Kassaye, Esther J Lee, R. Kantor, Elizabeth Johnston +4 more
2007AIDS Research and Human Retroviruses38 citations
Semantic Scholar
Maternal HIV‐1 Antibody and Vertical Transmission in Subtype C Virus Infection
H. Guevara, J. Casseb, L. Zijenah, M. Mbizvo +4 more
2002Journal of Acquired Immune Deficiency Syndromes36 citations
Semantic Scholar
Serum level of maternal human immunodeficiency virus (HIV) RNA, infant mortality, and vertical transmission of HIV in Zimbabwe.
D. Katzenstein, M. Mbizvo, L. Zijenah, Tristan Gittens +4 more
1999Journal of Infectious Diseases36 citations
Semantic Scholar
Signal-Boosted Qualitative Ultrasensitive p24 Antigen Assay for Diagnosis of Subtype C HIV-1 Infection in Infants Under the Age of 2 Years
L. Zijenah, O. Tobaiwa, S. Rusakaniko, K. Nathoo +3 more
2005Journal of Acquired Immune Deficiency Syndromes34 citations Open access
Semantic Scholar
Cytomegalovirus and Epstein-Barr Virus in Breast Milk are Associated with HIV-1 Shedding but Not With Mastitis
S. Gantt, Jacquelyn Carlsson, A. Shetty, K. Seidel +7 more
2008AIDS (London)33 citations Open access
Semantic Scholar
Evaluation of the Prototype Roche DNA Amplification Kit Incorporating the New SSK145 and SKCC1B Primers in Detection of Human Immunodeficiency Virus Type 1 DNA in Zimbabwe
L. Zijenah, Janice M. Humphrey, K. Nathoo, L. Malaba +4 more
1999Journal of Clinical Microbiology32 citations Open access
Semantic Scholar
Naturally-Occurring Genetic Variants in Human DC-SIGN Increase HIV-1 Capture, Cell-Transfer and Risk of Mother-To-Child Transmission
G. Boily-Larouche, Miroslav P. Milev, L. Zijenah, A. Labbé +7 more
2012PLoS ONE31 citations Open access
Semantic Scholar
Functional Genetic Variants in DC-SIGNR Are Associated with Mother-to-Child Transmission of HIV-1
G. Boily-Larouche, A. Iscache, L. Zijenah, J. Humphrey +3 more
2009PLoS ONE31 citations Open access
Semantic Scholar
DC-SIGN and DC-SIGNR genetic diversity among different ethnic populations: Potential implications for pathogen recognition and disease susceptibility
G. Boily-Larouche, L. Zijenah, M. Mbizvo, B. Ward +1 more
2007Human Immunology31 citations Open access
Semantic Scholar
Short Communication: Viral Dynamics and CD4+ T Cell Counts in Subtype C Human Immunodeficiency Virus Type 1-Infected Individuals from Southern Africa
C. Gray, C. Williamson, H. Bredell, A. Puren +18 more
2005AIDS Research and Human Retroviruses31 citations
Semantic Scholar
Mycobacterium tuberculosis/HIV-1 coinfection and disease: role of human leukocyte antigen variation.
L. Louie, W. Hartogensis, Rachael P. Jackman, K. Schultz +6 more
2004Journal of Infectious Diseases30 citations
Semantic Scholar
The World Health Organization Recommended TB Diagnostic Tools
L. Zijenah
2018Tuberculosis29 citations Open access
Semantic Scholar
Plasma IP-10 Concentrations Correlate Positively with Viraemia and Inversely with CD4 Counts in Untreated HIV Infection
K. Mhandire, Tommy Mlambo, L. Zijenah, Kerina Duri +8 more
2017Open AIDS Journal28 citations Open access
Semantic Scholar
HLA-G exhibits low level of polymorphism in indigenous East Africans.
Claudine Matte, Julie Lacaille, L. Zijenah, B. Ward +1 more
2002Human Immunology26 citations
Semantic Scholar
Comparing Peripheral Blood Mononuclear Cell DNA and Circulating Plasma viral RNA pol Genotypes of Subtype C HIV-1
L. Banks, S. Gholamin, E. White, L. Zijenah +1 more
2012Journal of AIDS and Clinical Research25 citations Open access
Semantic Scholar
Laboratory indicators of mastitis are not associated with elevated HIV-1 DNA loads or predictive of HIV-1 RNA loads in breast milk.
S. Gantt, A. Shetty, K. Seidel, K. Matasa +5 more
2007Journal of Infectious Diseases25 citations Open access
Semantic Scholar
Envelope co-receptor tropism, drug resistance, and viral evolution among subtype C HIV-1 infected individuals receiving non-suppressive antiretroviral therapy
Seble G. Kassaye, Elizabeth Johnston, B. McColgan, R. Kantor +2 more
2009Journal of Acquired Immune Deficiency Syndromes21 citations Open access
Semantic Scholar
HIV-1 and HIV-2 prevalence and associated risk factors among postnatal women in Harare, Zimbabwe
Jean H. Humphrey, K. Nathoo, John W. Hargrove, P. Iliff +9 more
2007Epidemiology and Infection21 citations Open access
Semantic Scholar
European and developing countries clinical trials partnership (EDCTP)
S. Agwale, Walter Jaoko, A. Kitua, C. Manyando +10 more
200920 citations
Semantic Scholar
Comparative performance characteristics of the urine lipoarabinomannan strip test and sputum smear microscopy in hospitalized HIV-infected patients with suspected tuberculosis in Harare, Zimbabwe
L. Zijenah, G. Kadzirange, T. Bandason, M. Chipiti +5 more
2015BMC Infectious Diseases19 citations Open access
Semantic Scholar
Surveillance of Transmitted Antiretroviral Drug Resistance among HIV-1 Infected Women Attending Antenatal Clinics in Chitungwiza, Zimbabwe
M. Tshabalala, Justen Manasa, L. Zijenah, S. Rusakaniko +5 more
2011PLoS ONE19 citations Open access
Semantic Scholar

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