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Ya P. Shi · SciRah

Researcher profile · Semantic Scholar

Ya P. Shi

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Ya P. Shi — researcher profile on SciRah

h-index: 36
Works: 105
Citations: 4,055

Most-cited papers

Reduction of malaria during pregnancy by permethrin-treated bed nets in an area of intense perennial malaria transmission in western Kenya.
F. T. ter Kuile, D. Terlouw, P. Phillips-Howard, W. Hawley +7 more
2003American Journal of Tropical Medicine and Hygiene228 citations Open access
Semantic Scholar
Impact of permethrin-treated bed nets on malaria, anemia, and growth in infants in an area of intense perennial malaria transmission in western Kenya.
F. T. ter Kuile, D. Terlouw, S. Kariuki, P. Phillips-Howard +8 more
2003American Journal of Tropical Medicine and Hygiene196 citations Open access
Semantic Scholar
Impact of permethrin-treated bed nets on malaria and all-cause morbidity in young children in an area of intense perennial malaria transmission in western Kenya: cross-sectional survey.
F. T. ter Kuile, D. Terlouw, P. Phillips-Howard, W. Hawley +7 more
2003American Journal of Tropical Medicine and Hygiene178 citations
Semantic Scholar
Impact of Sulfadoxine-Pyrimethamine Resistance on Effectiveness of Intermittent Preventive Therapy for Malaria in Pregnancy at Clearing Infections and Preventing Low Birth Weight
M. Desai, Julie R. Gutman, Steve M. Taylor, R. Wiegand +19 more
2015Clinical Infectious Diseases163 citations Open access
Semantic Scholar
Malaria and nutritional status among pre-school children: results from cross-sectional surveys in western Kenya.
J. Friedman, A. Kwena, L. Mirel, S. Kariuki +6 more
2005American Journal of Tropical Medicine and Hygiene140 citations
Semantic Scholar
Antifolate resistance in Plasmodium falciparum: multiple origins and identification of novel dhfr alleles.
A. McCollum, Amanda Poe, M. Hamel, Curtis S. Huber +9 more
2006Journal of Infectious Diseases137 citations
Semantic Scholar
Maternal Malaria and Perinatal HIV Transmission, Western Kenya,
J. Ayisi, A. V. van Eijk, R. Newman, F. T. ter Kuile +9 more
2004Emerging Infectious Diseases114 citations Open access
Semantic Scholar
Epidemiology of sporadic bloody diarrhea in rural Western Kenya.
J. Brooks, R. Shapiro, L. Kumar, J. Wells +6 more
2003American Journal of Tropical Medicine and Hygiene108 citations Open access
Semantic Scholar
The A581G Mutation in the Gene Encoding Plasmodium falciparum Dihydropteroate Synthetase Reduces the Effectiveness of Sulfadoxine-Pyrimethamine Preventive Therapy in Malawian Pregnant Women.
Julie R. Gutman, Linda Kalilani, Steve M. Taylor, Zhi-Yong Zhou +13 more
2015Journal of Infectious Diseases105 citations Open access
Semantic Scholar
Implications of the western Kenya permethrin-treated bed net study for policy, program implementation, and future research.
W. Hawley, F. T. ter Kuile, R. Steketee, B. Nahlen +9 more
2003American Journal of Tropical Medicine and Hygiene92 citations Open access
Semantic Scholar
Geohelminth Infections among Pregnant Women in Rural Western Kenya; a Cross-Sectional Study
A. V. van Eijk, K. Lindblade, F. Odhiambo, Elizabeth Peterson +6 more
2009PLoS Neglected Tropical Diseases90 citations Open access
Semantic Scholar
Comparison of artemether-lumefantrine and chloroquine with and without primaquine for the treatment of Plasmodium vivax infection in Ethiopia: A randomized controlled trial
T. Abreha, Jimee Hwang, K. Thriemer, Yehualashet Tadesse +23 more
2017PLoS Medicine87 citations Open access
Semantic Scholar
Temporal trends of sulphadoxine-pyrimethamine (SP) drug-resistance molecular markers in Plasmodium falciparum parasites from pregnant women in western Kenya
N. Iriemenam, Monica P. Shah, W. Gatei, A. V. van Eijk +15 more
2012Malaria Journal85 citations Open access
Semantic Scholar
Human Immunodeficiency Virus Co-Infection Increases Placental Parasite Density and Transplacental Malaria Transmission in Western Kenya
S. Perrault, J. Hajek, Kathleen J. Y. Zhong, S. Owino +5 more
2009American Journal of Tropical Medicine and Hygiene84 citations Open access
Semantic Scholar
Genetic diversity of HIV-1 in western Kenya: subtype-specific differences in mother-to-child transmission
Chun-Fu Yang, Ming Li, R. Newman, Ya P. Shi +7 more
2003AIDS (London)84 citations Open access
Semantic Scholar
Does cotrimoxazole prophylaxis for the prevention of HIV-associated opportunistic infections select for resistant pathogens in Kenyan adults?
M. Hamel, C. Greene, T. Chiller, P. Ouma +12 more
2008American Journal of Tropical Medicine and Hygiene74 citations
Semantic Scholar
Immunity to placental malaria. IV. Placental malaria is associated with up-regulation of macrophage migration inhibitory factor in intervillous blood.
Sujittra Chaisavaneeyakorn, Julie M. Moore, C. Othoro, Juliana A. Otieno +5 more
2002Journal of Infectious Diseases72 citations Open access
Semantic Scholar
Immunity to placental malaria. III. Impairment of interleukin(IL)-12, not IL-18, and interferon-inducible protein-10 responses in the placental intervillous blood of human immunodeficiency virus/malaria-coinfected women.
Sujittra Chaisavaneeyakorn, Julie M. Moore, Juliana A. Otieno, S. Chaiyaroj +5 more
2002Journal of Infectious Diseases70 citations Open access
Semantic Scholar
Factors associated with hemoglobin concentrations in pre-school children in Western Kenya: cross-sectional studies.
M. Desai, D. Terlouw, A. Kwena, P. Phillips-Howard +7 more
2005American Journal of Tropical Medicine and Hygiene68 citations Open access
Semantic Scholar
The efficacy of permethrin-treated bed nets on child mortality and morbidity in western Kenya II. Study design and methods.
P. Phillips-Howard, F. T. ter Kuile, B. Nahlen, J. Alaii +9 more
2003American Journal of Tropical Medicine and Hygiene68 citations
Semantic Scholar
Polymorphism of Fc receptor IIa for IgG in infants is associated with susceptibility to perinatal HIV-1 infection
K. Brouwer, R. Lal, L. Mirel, Chun-Fu Yang +7 more
2004AIDS (London)64 citations Open access
Semantic Scholar
Levels of Macrophage Inflammatory Protein 1α (MIP-1α) and MIP-1β in Intervillous Blood Plasma Samples from Women with Placental Malaria and Human Immunodeficiency Virus Infection
Sujittra Chaisavaneeyakorn, Julie M. Moore, L. Mirel, C. Othoro +6 more
2003Clinical Diagnostic Laboratory Immunology63 citations Open access
Semantic Scholar
Immunohistological Characterization of Macrophage Migration Inhibitory Factor Expression in Plasmodium falciparum-Infected Placentas
Sujittra Chaisavaneeyakorn, N. Lucchi, C. Abramowsky, C. Othoro +6 more
2005Infection and Immunity58 citations Open access
Semantic Scholar
Assessment of submicroscopic infections and gametocyte carriage of Plasmodium falciparum during peak malaria transmission season in a community-based cross-sectional survey in western Kenya, 2012
Zhi-Yong Zhou, R. Mitchell, S. Kariuki, C. Odero +9 more
2016Malaria Journal56 citations Open access
Semantic Scholar
Serological markers for monitoring historical changes in malaria transmission intensity in a highly endemic region of Western Kenya, 1994–2009
Jacklyn Wong, M. Hamel, C. Drakeley, S. Kariuki +12 more
2014Malaria Journal52 citations Open access
Semantic Scholar
Differences in selective pressure on dhps and dhfr drug resistant mutations in western Kenya
A. McCollum, K. Schneider, S. Griffing, Zhi-Yong Zhou +7 more
2012Malaria Journal52 citations Open access
Semantic Scholar
Genetic Diversity and High Proportion of Intersubtype Recombinants among HIV Type 1-Infected Pregnant Women in Kisumu, Western Kenya
Chun-Fu Yang, Ming Li, Ya P. Shi, J. Winter +6 more
2004AIDS Research and Human Retroviruses50 citations
Semantic Scholar
High-resolution metabolomics to discover potential parasite-specific biomarkers in a Plasmodium falciparum erythrocytic stage culture system
Y. Park, Ya P. Shi, Bill Liang, C. Medriano +5 more
2015Malaria Journal46 citations Open access
Semantic Scholar
Elevated Gamma Interferon-Producing NK Cells, CD45RO Memory-Like T Cells, and CD4 T Cells Are Associated with Protection against Malaria Infection in Pregnancy
C. Othoro, Julie M. Moore, K. Wannemuehler, S. Moses +5 more
2008Infection and Immunity43 citations Open access
Semantic Scholar
In vivo acquisition of hemozoin by placental blood mononuclear cells suppresses PGE2, TNF-alpha, and IL-10.
D. Perkins, Julie M. Moore, Juliana A. Otieno, Ya P. Shi +3 more
2003Biochemical and Biophysical Research Communications - BBRC43 citations
Semantic Scholar
In Vitro and Molecular Surveillance for Antimalarial Drug Resistance in Plasmodium falciparum Parasites in Western Kenya Reveals Sustained Artemisinin Sensitivity and Increased Chloroquine Sensitivity
N. Lucchi, Franklin Komino, S. Okoth, I. Goldman +7 more
2015Antimicrobial Agents and Chemotherapy41 citations Open access
Semantic Scholar
Effects of permethrin-treated bed nets on immunity to malaria in western Kenya II. Antibody responses in young children in an area of intense malaria transmission.
S. Kariuki, A. Lal, D. Terlouw, F. T. ter Kuile +7 more
2003American Journal of Tropical Medicine and Hygiene41 citations
Semantic Scholar
Polymorphisms in genes of interleukin 12 and its receptors and their association with protection against severe malarial anaemia in children in western Kenya
Lyna Zhang, D. Prather, J. V. Eng, S. Crawford +8 more
2010Malaria Journal38 citations Open access
Semantic Scholar
Daily iron supplementation is more efficacious than twice weekly iron supplementation for the treatment of childhood anemia in western Kenya.
M. Desai, Ritesh Dhar, D. Rosen, S. Kariuki +3 more
2004Journal of NutriLife37 citations Open access
Semantic Scholar
Relationship between Plasma Interleukin-12 (IL-12) and IL-18 Levels and Severe Malarial Anemia in an Area of Holoendemicity in Western Kenya
Sujittra Chaisavaneeyakorn, C. Othoro, Ya P. Shi, Juliana A. Otieno +3 more
2003Clinical Diagnostic Laboratory Immunology36 citations Open access
Semantic Scholar
Impact of Community-Based Mass Testing and Treatment on Malaria Infection Prevalence in a High-Transmission Area of Western Kenya: A Cluster Randomized Controlled Trial
Aaron M. Samuels, Nobert Awino Odero, W. Odongo, K. Otieno +11 more
2020Clinical Infectious Diseases34 citations Open access
Semantic Scholar
Effects of permethrin-treated bed nets on immunity to malaria in western Kenya I. Antibody responses in pregnant women and cord blood in an area of intense malaria transmission.
S. Kariuki, F. T. ter Kuile, K. Wannemuehler, D. Terlouw +7 more
2003American Journal of Tropical Medicine and Hygiene34 citations
Semantic Scholar
Evaluation of Various Methods of Maternal Placental Blood Collection for Immunology Studies
C. Othoro, Julie M. Moore, K. Wannemuehler, B. Nahlen +4 more
2006Clinical and Vaccine Immunology33 citations Open access
Semantic Scholar
Levels of macrophage inflammatory protein 1 alpha (MIP-1 alpha) and MIP-1 beta in intervillous blood plasma samples from women with placental malaria and human immunodeficiency virus infection.
Sujittra Chaisavaneeyakorn, Julie M. Moore, L. Mirel, C. Othoro +6 more
2003Clinical and Diagnostic Laboratory Immunology32 citations
Semantic Scholar
Genetic diversity of Plasmodium falciparum parasite by microsatellite markers after scale-up of insecticide-treated bed nets in western Kenya
W. Gatei, J. Gimnig, W. Hawley, F. T. ter Kuile +12 more
2015Malaria Journal31 citations Open access
Semantic Scholar
Effects of transmission reduction by insecticide-treated bed nets (ITNs) on parasite genetics population structure: I. The genetic diversity of Plasmodium falciparum parasites by microsatellite markers in western Kenya
W. Gatei, S. Kariuki, W. Hawley, F. T. ter Kuile +11 more
2010Malaria Journal30 citations Open access
Semantic Scholar
Capacity Development through the US President’s Malaria Initiative–Supported Antimalarial Resistance Monitoring in Africa Network
E. Halsey, M. Venkatesan, M. Pluciński, Eldin Talundzic +21 more
2017Emerging Infectious Diseases29 citations Open access
Semantic Scholar
Hemozoin Differentially Regulates Proinflammatory Cytokine Production in Human Immunodeficiency Virus-Seropositive and -Seronegative Women with Placental Malaria
Julie M. Moore, Sujittra Chaisavaneeyakorn, D. Perkins, C. Othoro +4 more
2004Infection and Immunity29 citations Open access
Semantic Scholar
Assessment of molecular markers for anti-malarial drug resistance after the introduction and scale-up of malaria control interventions in western Kenya
Monica P. Shah, Y. Omosun, A. Lal, C. Odero +11 more
2015Malaria Journal28 citations Open access
Semantic Scholar
Association of interferon-gamma responses to pre-erythrocytic stage vaccine candidate antigens of Plasmodium falciparum in young Kenyan children with improved hemoglobin levels: XV. Asembo Bay Cohort Project.
J. Ong'echa, A. Lal, D. Terlouw, F. T. ter Kuile +6 more
2003American Journal of Tropical Medicine and Hygiene28 citations
Semantic Scholar
Multiplex serology demonstrate cumulative prevalence and spatial distribution of malaria in Ethiopia
A. Assefa, Ahmed Ali Ahmed, W. Deressa, H. Sime +17 more
2019Malaria Journal27 citations Open access
Semantic Scholar
Pooled PCR testing strategy and prevalence estimation of submicroscopic infections using Bayesian latent class models in pregnant women receiving intermittent preventive treatment at Machinga District Hospital, Malawi, 2010
Zhi-Yong Zhou, R. Mitchell, Julie R. Gutman, R. Wiegand +4 more
2014Malaria Journal26 citations Open access
Semantic Scholar
Polymorphism of Fc receptor IIa for immunoglobulin G is associated with placental malaria in HIV-1-positive women in western Kenya.
K. Brouwer, A. Lal, L. Mirel, Juliana A. Otieno +6 more
2004Journal of Infectious Diseases26 citations Open access
Semantic Scholar
HIV, malaria, and infant anemia as risk factors for postneonatal infant mortality among HIV-seropositive women in Kisumu, Kenya.
A. V. van Eijk, J. Ayisi, F. T. ter Kuile, L. Slutsker +7 more
2007Journal of Infectious Diseases25 citations
Semantic Scholar
Effect of haematinic supplementation and malaria prevention on maternal anaemia and malaria in western Kenya
A. V. van Eijk, J. Ayisi, L. Slutsker, F. T. ter Kuile +6 more
2007Tropical medicine & international health25 citations Open access
Semantic Scholar

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B. Nahlen×32
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S. Kariuki×22
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S. Kariuki — researcher profile on SciRah
F. T. ter Kuile×21
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F. T. ter Kuile — researcher profile on SciRah
A. Lal×18
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A. Lal — researcher profile on SciRah

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V. Udhayakumar×15

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Juliana A. Otieno×15

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D. Terlouw — researcher profile on SciRah

P. Phillips-Howard×11

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W. Hawley — researcher profile on SciRah

Julie M. Moore×11

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Julie M. Moore — researcher profile on SciRah

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J. Ayisi — researcher profile on SciRah