Samuel Wanji

Summary

Country: France

Publications

  1. Wanji S, Tendongfor N, Esum M, Che J, Mand S, Tanga Mbi C, et al. Elephantiasis of non-filarial origin (podoconiosis) in the highlands of north-western Cameroon. Ann Trop Med Parasitol. 2008;102:529-40 pubmed publisher
    ..bancrofti. These findings indicate that the elephantiasis seen in the North West province of Cameroon is of non-filarial origin. ..
  2. Wanji S, Tayong D, Ebai R, Opoku V, Kien C, Ndongmo W, et al. Update on the biology and ecology of Culicoides species in the South-West region of Cameroon with implications on the transmission of Mansonella perstans. Parasit Vectors. 2019;12:166 pubmed publisher
    ..Culicoides milnei was demonstrated to be the major vector of M. perstans in this part of Cameroon. It is essentially a nocturnal species which peaks in abundance between 10 and 11 pm. ..
  3. Zofou D, Fombad F, Gandjui N, Njouendou A, Kengne Ouafo A, Chounna Ndongmo P, et al. Evaluation of in vitro culture systems for the maintenance of microfilariae and infective larvae of Loa loa. Parasit Vectors. 2018;11:275 pubmed publisher
    ..The findings from this work display a range of culture requirements for the maintenance of Loa loa stages, which are suitable for developing an effective platform for drug screening. ..
  4. Wanji S, Kengne Ouafo J, Esum M, Chounna P, Tendongfor N, Adzemye B, et al. Situation analysis of parasitological and entomological indices of onchocerciasis transmission in three drainage basins of the rain forest of South West Cameroon after a decade of ivermectin treatment. Parasit Vectors. 2015;8:202 pubmed publisher
    ..The possible reasons for this persistent and differential transmission despite over a decade of control efforts using ivermectin are discussed. ..
  5. Njouendou A, Fombad F, O Neill M, Zofou D, Nutting C, Ndongmo P, et al. Heterogeneity in the in vitro susceptibility of Loa loa microfilariae to drugs commonly used in parasitological infections. Parasit Vectors. 2018;11:223 pubmed publisher
    ..The heterogeneity in the activity of anti-parasitic agents on Loa loa mf supports the need for further investigation using animal models of loiasis. ..
  6. Quintana J, Makepeace B, Babayan S, Ivens A, Pfarr K, Blaxter M, et al. Extracellular Onchocerca-derived small RNAs in host nodules and blood. Parasit Vectors. 2015;8:58 pubmed publisher
    ..In our analyses comparison to European control serum illuminates the scope for false-positives, warranting caution in criteria that should be applied to identification of biomarkers of infection. ..
  7. Halliday A, Guimarães A, Tyrer H, Metuge H, Patrick C, Arnaud K, et al. A murine macrofilaricide pre-clinical screening model for onchocerciasis and lymphatic filariasis. Parasit Vectors. 2014;7:472 pubmed publisher
    ..Pilot data suggests a murine onchocercoma xenograft model is achievable. ..
  8. Kengne Ouafo J, Nji T, Tantoh W, Nyoh D, Tendongfor N, Enyong P, et al. Perceptions of consent, permission structures and approaches to the community: a rapid ethical assessment performed in North West Cameroon. BMC Public Health. 2014;14:1026 pubmed publisher
    ..The information gained through Rapid Ethical Assessment will form an important guide for future studies in North West Cameroon. ..
  9. Wanji S, Kengne Ouafo A, Eyong E, Kimbi H, Tendongfor N, Ndamukong Nyanga J, et al. Genetic diversity of Plasmodium falciparum merozoite surface protein-1 block 2 in sites of contrasting altitudes and malaria endemicities in the Mount Cameroon region. Am J Trop Med Hyg. 2012;86:764-74 pubmed publisher
    ..A new K-1 polymorphism was identified. This study shows a positive non-linear association between low/intermediate altitude (high malaria transmission) and an increase in P. falciparum merozoite surface protein 1 block 2 polymorphisms. ..

More Information

Publications19

  1. Geary J, Lovato R, Wanji S, Guderian R, O Neill M, Specht S, et al. A histochemical study of the Nras/let-60 activity in filarial nematodes. Parasit Vectors. 2015;8:353 pubmed publisher
    ..Nras/let60 appears to be a useful biomarker for assessing the health of filariae. ..
  2. Wanji S, Kengne Ouafo J, Esum M, Chounna P, Adzemye B, Eyong J, et al. Relationship between oral declaration on adherence to ivermectin treatment and parasitological indicators of onchocerciasis in an area of persistent transmission despite a decade of mass drug administration in Cameroon. Parasit Vectors. 2015;8:667 pubmed publisher
    ..The findings are discussed in the context of challenges for the elimination of onchocerciasis in this rain forest area. ..
  3. Wanji S, Amvongo Adjia N, Njouendou A, Kengne Ouafo J, Ndongmo W, Fombad F, et al. Further evidence of the cross-reactivity of the Binax NOW® Filariasis ICT cards to non-Wuchereria bancrofti filariae: experimental studies with Loa loa and Onchocerca ochengi. Parasit Vectors. 2016;9:267 pubmed publisher
    ..The cross-reactivity of the ICT card to these non-W. bancrofti filariae poses some doubts to the reliability and validity of the current map of LF of Central Africa that was generated using this diagnostic tool. ..
  4. Wanji S, Tayong D, Layland L, Datchoua Poutcheu F, Ndongmo W, Kengne Ouafo J, et al. Update on the distribution of Mansonella perstans in the southern part of Cameroon: influence of ecological factors and mass drug administration with ivermectin. Parasit Vectors. 2016;9:311 pubmed publisher
    ..perstans on host immune response to vaccination and co-infection with other pathogens such as Mycobacterium spp. and Plasmodium spp. in areas of contrasting endemicities. ..
  5. Wanji S, Kengne Ouafo J, Datchoua Poutcheu F, Njouendou A, Tayong D, Sofeu Feugaing D, et al. Detecting and staging podoconiosis cases in North West Cameroon: positive predictive value of clinical screening of patients by community health workers and researchers. BMC Public Health. 2016;16:997 pubmed publisher
    ..However, to improve their effectiveness and accuracy, more training, supervision and support are required. More emphasis must be given in identifying early clinical stages and in health districts with relatively lower PPVs. ..
  6. Fokam E, Kindzeka G, Ngimuh L, Dzi K, Wanji S. Determination of the predictive factors of long-lasting insecticide-treated net ownership and utilisation in the Bamenda Health District of Cameroon. BMC Public Health. 2017;17:263 pubmed publisher
    ..These factors may be relevant for policy makers and in decision making for the intensification of campaign strategies to ensure more effective subsequent distribution campaigns in the BHD and beyond. ..
  7. Wanji S, Akotshi D, Mutro M, Tepage F, Ukety T, Diggle P, et al. Validation of the rapid assessment procedure for loiasis (RAPLOA) in the Democratic Republic of Congo. Parasit Vectors. 2012;5:25 pubmed publisher
    ..The present study was designed to validate RAPLOA in two regions in the North East and South West of the Democratic Republic of Congo...
  8. request reprint
    Wanji S, Tendongfor N, Esum M, Atanga S, Enyong P. Heterogeneity in the prevalence and intensity of loiasis in five contrasting bioecological zones in Cameroon. Trans R Soc Trop Med Hyg. 2003;97:183-7 pubmed
    ..loa. These results will be valuable for the prediction of loiasis endemicity in different ecological zones of Central Africa and for the refinement of the existing geographical model for the mapping of loiasis...
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    Wanji S, Tendongfor N, Esum M, Enyong P. Chrysops silacea biting densities and transmission potential in an endemic area of human loiasis in south-west Cameroon. Trop Med Int Health. 2002;7:371-7 pubmed
    ..loa in the area. A total of 20.37% of the people examined for blood microfilariae were positive. These results suggest that the study area is an active focus of loiasis transmission...
  10. request reprint
    Wanji S, Tanke T, Atanga S, Ajonina C, Nicholas T, Fontenille D. Anopheles species of the mount Cameroon region: biting habits, feeding behaviour and entomological inoculation rates. Trop Med Int Health. 2003;8:643-9 pubmed
    ..No malaria vector was caught at 1200 m a.s.l. The mount Cameroon region should be considered an area of high malaria transmission intensity. ..