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  1. Article

    Open Access

    Distinct transcriptomic signatures define febrile malaria depending on initial infective states, asymptomatic or uninfected

    Cumulative malaria parasite exposure in endemic regions often results in the acquisition of partial immunity and asymptomatic infections. There is limited information on how host-parasite interactions mediate ...

    Kelvin M. Kimenyi, Mercy Y. Akinyi, Kioko Mwikali, Tegan Gilmore in BMC Infectious Diseases (2024)

  2. Article

    Open Access

    Extracellular vesicles could be a putative posttranscriptional regulatory mechanism that shapes intracellular RNA levels in Plasmodium falciparum

    Plasmodium falciparum secretes extracellular vesicles (PfEVs) that contain parasite-derived RNA. However, the significance of the secreted RNA remains unexplored. Here, we compare secreted and intracellular RNA f...

    Mwikali Kioko, Alena Pance, Shaban Mwangi, David Goulding in Nature Communications (2023)

  3. Article

    Open Access

    Maintenance of high temporal Plasmodium falciparum genetic diversity and complexity of infection in asymptomatic and symptomatic infections in Kilifi, Kenya from 2007 to 2018

    High levels of genetic diversity are common characteristics of Plasmodium falciparum parasite populations in high malaria transmission regions. There has been a decline in malaria transmission intensity over 12 y...

    Kelvin M. Kimenyi, Kevin Wamae, Joyce M. Ngoi, Zaydah R. de Laurent in Malaria Journal (2022)

  4. Article

    Open Access

    Tracking the introduction and spread of SARS-CoV-2 in coastal Kenya

    Genomic surveillance of SARS-CoV-2 is important for understanding both the evolution and the patterns of local and global transmission. Here, we generated 311 SARS-CoV-2 genomes from samples collected in coast...

    George Githinji, Zaydah R. de Laurent, Khadija Said Mohammed in Nature Communications (2021)

  5. Article

    Open Access

    The Plasmodium falciparum Rh5 invasion protein complex reveals an excess of rare variant mutations

    The invasion of the red blood cells by Plasmodium falciparum merozoites involves the interplay of several proteins that are also targets for vaccine development. The proteins PfRh5-PfRipr-PfCyRPA-Pfp113 assemble ...

    Leonard Ndwiga, Victor Osoti, Kevin Omondi Ochwedo, Kevin Wamae in Malaria Journal (2021)

  6. Article

    Open Access

    Peripheral blood mononuclear cell transcriptomes reveal an over-representation of down-regulated genes associated with immunity in HIV-exposed uninfected infants

    HIV-exposed uninfected (HEU) infants are disproportionately at a higher risk of morbidity and mortality, as compared to HIV-unexposed uninfected (HUU) infants. Here, we used transcriptional profiling of periph...

    Zaneta D. Musimbi, Martin K. Rono, James R. Otieno, Nelson Kibinge in Scientific Reports (2019)

  7. Article

    Open Access

    Targeted Next Generation Sequencing for malaria research in Africa: current status and outlook

    Targeted Next Generation Sequencing (TNGS) is an efficient and economical Next Generation Sequencing (NGS) platform and the preferred choice when specific genomic regions are of interest. So far, only institut...

    Anita Ghansah, Edwin Kamau, Alfred Amambua-Ngwa, Deus S. Ishengoma in Malaria Journal (2019)

  8. Article

    Open Access

    Comparison of allele frequencies of Plasmodium falciparum merozoite antigens in malaria infections sampled in different years in a Kenyan population

    Plasmodium falciparum merozoite antigens elicit antibody responses in malaria-endemic populations, some of which are clinically protective, which is one of the reasons why merozoite an...

    Lynette Isabella Ochola-Oyier, John Okombo, Njoroge Wagatua in Malaria Journal (2016)