الرئيسية › دليل الباحثين › Collins Ouma
Collins Ouma
الانتماء : Maseno University · Kenya Medical Research Institute
- 94منشورات (انتماء كيني)
الملف البحثي
لدى Collins Ouma 94 منشور(ات) مفهرسة (2006–2025). تُنشر أعماله أساسًا في «Malaria Journal»، «BMC Infectious Diseases» و«Infection and Immunity». أكثر مقالاته استشهادًا هو «Increased severe anemia in HIV-1-exposed and HIV-1-positive infants and children during acute malaria» (2006)، وقد استُشهد به 143 مرة. 16 من هذه المنشورات تعود إلى آخر ثلاث سنوات من النشاط. شارك في تأليف أعماله 12 باحثًا على الأقل، منهم باحثون من مؤسسات في الولايات المتحدة، اليابان، المملكة المتحدة، غانا.
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إنشاء ملفي المجاني إضافة منشوراتيالمنشورات (94)
- Diagnostic accuracy of PfHRP2-based malaria rapid diagnostic tests and antigenemia persistence in Kenyan children from a holoendemic region: implications for case management and surveillance
- Regional variation in sulfadoxine-pyrimethamine resistance genotypes and haplotypes of Plasmodium falciparum dihydrofolate reductase and dihydropteroate synthase genes in Western Kenya
- Entire expressed peripheral blood transcriptome in pediatric severe malarial anemia
- Impact of integrated WASH and maternal and child health interventions on diarrhea disease prevalence in a resource-constrained setting in Kenya
- Factors influencing patients’ adherence to malaria artemisinin-based combination therapy in Kamuli District, Uganda
- Methodological assessment for efficient collection of Schistosoma mansoni environmental DNA and improved schistosomiasis surveillance in tropical wetlands
- Seasonality of associations between production of indigenous foods and food security status of mother-child dyads in Kisumu County, Kenya
- Enhancing cervical cancer knowledge among women of reproductive age: a dialogue-based community health education intervention in rural Kisumu County, Kenya
- Comparison of different trapping methods to collect malaria vectors indoors and outdoors in western Kenya
- Increased sensitivity of malaria parasites to common antimalaria drugs after the introduction of artemether-lumefantrine: Implication of policy change and implementation of more effective drugs in fight against malaria
- Factors associated with tuberculosis drug resistance among presumptive multidrug resistance tuberculosis patients identified in a DRTB surveillance study in western Kenya
- Barriers and misconceptions hindering reduction of intestinal schistosomiasis in Mbita Sub-County, Western Kenya
- Improving cervical cancer screening rates among women of reproductive age in rural Kisumu County through dialogue-based community health education
- Transcriptomic and Proteomic Insights into Host Immune Responses in Pediatric Severe Malarial Anemia: Dysregulation in HSP60-70-TLR2/4 Signaling and Altered Glutamine Metabolism
- Efficacy of PermaNet® Dual compared to Interceptor® G2 and PermaNet 3.0 in experimental huts in Siaya County, western Kenya
- Protocol for the PATHOME study: a cohort study on urban societal development and the ecology of enteric disease transmission among infants, domestic animals and the environment
- Health care provider practices in diagnosis and treatment of malaria in rural communities in Kisumu County, Kenya
- Prevalence of brucellosis in livestock keepers and domestic ruminants in Baringo County, Kenya
- Risk associations of submicroscopic malaria infection in lakeshore, plateau and highland areas of Kisumu County in western Kenya
- Clinical malaria incidence and health seeking pattern in geographically heterogeneous landscape of western Kenya
- Evidence of co-exposure with Brucella spp, Coxiella burnetii, and Rift Valley fever virus among various species of wildlife in Kenya
- Influence of landscape heterogeneity on entomological and parasitological indices of malaria in Kisumu, Western Kenya
- Impact of integrated water, sanitation, hygiene, health and nutritional interventions on diarrhoea disease epidemiology and microbial quality of water in a resource‐constrained setting in Kenya: A controlled intervention study
- Genetic differentiation in East African ethnicities and its relationship with endurance running success
- Molecular epidemiology of Brucella species in mixed livestock-human ecosystems in Kenya
- Socio-economic impacts of brucellosis on livestock production and reproduction performance in Koibatek and Marigat regions, Baringo County, Kenya
- Changes in the frequencies of Plasmodium falciparum dhps and dhfr drug-resistant mutations in children from Western Kenya from 2005 to 2018: the rise of Pfdhps S436H
- Serological and molecular evidence of Brucella species in the rapidly growing pig sector in Kenya
- Acceptability, adherence, and clinical outcomes, of amoxicillin dispersible tablets versus oral suspension in treatment of children aged 2–59 Months with pneumonia, Kenya: A cluster randomized controlled trial
- Association between haematological parameters and sickle cell genotypes in children with Plasmodium falciparum malaria resident in Kisumu County in Western Kenya
- Influence of blood group, Glucose-6-phosphate dehydrogenase and Haemoglobin genotype on Falciparum malaria in children in Vihiga highland of Western Kenya
- Long-Acting Reversible Contraception Uptake and Associated Factors among Women of Reproductive Age in Rural Kenya
- The diagnostic accuracy of Th1 (IFN-γ, TNF-α, and IL-2) and Th2 (IL-4, IL-6 and IL-10) cytokines response in AFB microscopy smear negative PTB- HIV co-infected patients
- Direct detection of bacteremia by exploiting host-pathogen interactions of lipoteichoic acid and lipopolysaccharide
- Molecular basis of reduced LAIR1 expression in childhood severe malarial anaemia: Implications for leukocyte inhibitory signalling
- Integrated OMICS platforms identify LAIR1 genetic variants as novel predictors of cross-sectional and longitudinal susceptibility to severe malaria and all-cause mortality in Kenyan children
- Spatial epidemiology of tuberculosis in the high-burden counties of Kisumu and Siaya, Western Kenya, 2012–2015
- Cyclooxygenase-2 haplotypes influence the longitudinal risk of malaria and severe malarial anemia in Kenyan children from a holoendemic transmission region
- Genetic variation in interleukin-7 is associated with a reduced erythropoietic response in Kenyan children infected with Plasmodium falciparum
- Spatial distribution and habitat characterization of mosquito species during the dry season along the Mara River and its tributaries, in Kenya and Tanzania
- Differential virulence of camel Trypanosoma evansi isolates in mice
- Genetic Differentiation of Glossina pallidipes Tsetse Flies in Southern Kenya
- Multiple evolutionary origins of Trypanosoma evansi in Kenya
- Association between Fcγ receptor IIA, IIIA and IIIB genetic polymorphisms and susceptibility to severe malaria anemia in children in western Kenya
- Temporal genetic differentiation in Glossina pallidipes tsetse fly populations in Kenya
- Haplotype of non-synonymous mutations within IL-23R is associated with susceptibility to severe malaria anemia in a P. falciparum holoendemic transmission area of Kenya
- Assessment of community health volunteers’ knowledge on cervical cancer in Kadibo Division, Kisumu County: a cross sectional survey
- Maternal Vitamin D Status and Adverse Birth Outcomes in Children from Rural Western Kenya
- Presence of the knockdown resistance mutation, Vgsc-1014F in Anopheles gambiae and An. arabiensis in western Kenya
- Presence and distribution of mosquito larvae predators and factors influencing their abundance along the Mara River, Kenya and Tanzania
- Reduced Transplacental Transfer of a Subset of Epstein-Barr Virus-Specific Antibodies to Neonates of Mothers Infected with Plasmodium falciparum Malaria during Pregnancy
- Hepatitis B virus sero-profiles and genotypes in HIV-1 infected and uninfected injection and Non-injection drug users from coastal Kenya
- HIV-1 protease inhibitor drug resistance in Kenyan antiretroviral treatment-naive and -experienced injection drug users and non-drug users
- Determinants of Cervical screening services uptake among 18–49 year old women seeking services at the Jaramogi Oginga Odinga Teaching and Referral Hospital, Kisumu, Kenya
- Pyrethroid susceptibility of malaria vectors in four Districts of western Kenya
- Distribution and abundance of schistosomiasis and fascioliasis host snails along the Mara River in Kenya and Tanzania
- Serratia marcescensis injurious to intestinal epithelial cells
- Access to artemisinin-based combination therapy (ACT) and quinine in malaria holoendemic regions of western Kenya
- A non-synonymous polymorphism in IL-23R Gene (rs1884444) is associated with reduced risk to schistosomiasis-associated Immune Reconstitution Inflammatory Syndrome in a Kenyan population
- Clinical chemistry profiles in injection heroin users from Coastal Region, Kenya
- Changes in Antigen-Specific Cytokine and Chemokine Responses to Plasmodium falciparum Antigens in a Highland Area of Kenya after a Prolonged Absence of Malaria Exposure
- The efficacy of long-lasting nets with declining physical integrity may be compromised in areas with high levels of pyrethroid resistance
- Sickle cell trait is not associated with endemic Burkitt lymphoma: An ethnicity and malaria endemicity‐matched case–control study suggests factors controlling EBV may serve as a predictive biomarker for this pediatric cancer
- Interleukin (IL)-13 promoter polymorphisms (-7402 T/G and -4729G/A) condition susceptibility to pediatric severe malarial anemia but not circulating IL-13 levels
- Communicating African Spirituality through Ecology: Challenges and Prospects for the 21st Century
- Pyrethroid resistance in Anopheles gambiae s.s. and Anopheles arabiensis in western Kenya: phenotypic, metabolic and target site characterizations of three populations
- Factors associated with non-adherence to Artemisinin-based combination therapy (ACT) to malaria in a rural population from holoendemic region of western Kenya
- Provider knowledge of treatment policy and dosing regimen with artemether-lumefantrine and quinine in malaria-endemic areas of western Kenya
- Polymorphisms in the Fc Gamma Receptor IIIA and Toll-Like Receptor 9 Are Associated with Protection against Severe Malarial Anemia and Changes in Circulating Gamma Interferon Levels
- Knowledge and behaviour as determinants of anti-malarial drug use in a peri-urban population from malaria holoendemic region of western Kenya
- Suppression of circulating IgD+CD27+ memory B cells in infants living in a malaria-endemic region of Kenya
- Functional haplotypes of Fc gamma (Fcγ) receptor (FcγRIIA and FcγRIIIB) predict risk to repeated episodes of severe malarial anemia and mortality in Kenyan children
- Functional Promoter Haplotypes of Interleukin-18 Condition Susceptibility to Severe Malarial Anemia and Childhood Mortality
- Polymorphic variability in the 3' untranslated region (UTR) of IL12B is associated with susceptibility to severe anaemia in Kenyan children with acute Plasmodium falciparum malaria
- Bacteremia in Kenyan Children Presenting with Malaria
- Elevated anti-Zta IgG levels and EBV viral load are associated with site of tumor presentation in endemic Burkitt's lymphoma patients: a case control study
- Hematological predictors of increased severe anemia in Kenyan children coinfected with Plasmodium falciparum and HIV‐1
- Clinical predictors of severe malarial anaemia in a holoendemic Plasmodium falciparum transmission area
- Haplotypes of IL12B promoter polymorphisms condition susceptibility to severe malaria and functional changes in cytokine levels in Thai adults
- Factors determining anti-malarial drug use in a peri-urban population from malaria holoendemic region of western kenya
- MIF(Macrophage Migration Inhibitory Factor) Promoter Polymorphisms and Susceptibility to Severe Malarial Anemia
- Naturally acquired hemozoin by monocytes promotes suppression of RANTES in children with malarial anemia through an IL-10-dependent mechanism
- A Novel Functional Variant in the Stem Cell Growth Factor Promoter Protects against Severe Malarial Anemia
- Suppression of a Novel Hematopoietic Mediator in Children with Severe Malarial Anemia
- Haplotypes of IL-10 promoter variants are associated with susceptibility to severe malarial anemia and functional changes in IL-10 production
- Polymorphic Variability in the Interleukin (IL)–1β Promoter Conditions Susceptibility to Severe Malarial Anemia and Functional Changes in IL‐1β Production
- Increased circulating interleukin (IL)-23 in children with malarial anemia: In vivo and in vitro relationship with co-regulatory cytokines IL-12 and IL-10
- Increased severe anemia in HIV-1-exposed and HIV-1-positive infants and children during acute malaria
- PARASITEMIA, ANEMIA, AND MALARIAL ANEMIA IN INFANTS AND YOUNG CHILDREN IN A RURAL HOLOENDEMIC PLASMODIUM FALCIPARUM TRANSMISSION AREA
- Acquisition of Hemozoin by Monocytes Down-Regulates Interleukin-12 p40 (IL-12p40) Transcripts and Circulating IL-12p70 through an IL-10-Dependent Mechanism: In Vivo and In Vitro Findings in Severe Malarial Anemia
- Role of Monocyte-Acquired Hemozoin in Suppression of Macrophage Migration Inhibitory Factor in Children with Severe Malarial Anemia
- Association of FCgamma receptor IIA (CD32) polymorphism with malarial anemia and high-density parasitemia in infants and young children.
- ASSOCIATION OF FCγ RECEPTOR IIA (CD32) POLYMORPHISM WITH MALARIAL ANEMIA AND HIGH-DENSITY PARASITEMIA IN INFANTS AND YOUNG CHILDREN
- A macrophage migration inhibitory factor promoter polymorphism is associated with high-density parasitemia in children with malaria
مجلات النشر
- Malaria Journal × 12
- BMC Infectious Diseases × 8
- Infection and Immunity × 7
- Parasites & Vectors × 4
- PLoS ONE × 3
- Scientific Reports × 3
المنشورات حسب السنة
- 20252
- 202413
- 20231
- 20228
- 20211
- 20206
- 20198
- 20183
- 20175
- 20161
التعاون العلمي
المؤسسات الشريكة : University of New Mexico · Kenyatta University · University of Pittsburgh · Institute of Tropical Medicine, Nagasaki University · Tom Mboya University College
بلدان المؤلفين المشاركين : الولايات المتحدة · اليابان · المملكة المتحدة · غانا
المؤلفون المشاركون
- John Michael Ong’echa
- Douglas Jay Perkins
- Tom Were
- JOHN M. VULULE
- Evans O Raballah
- Samuel B. Anyona
- Harrysone Atieli
- Elly O. Munde
- Winnie A. Okeyo
- Eric Ochomo
- Walter G. Z. O. Jura
- Andrew Karanja Githeko
البيانات البيبليوغرافية مصدرها OpenAlex (قاعدة مفتوحة).
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