Febrile status, malarial parasitaemia and gastro-intestinal helminthiases in schoolchildren resident at different altitudes, in south–western Cameroon

References

• Adiel-Tegman, M. & DeMaeyer, E. (1985). The prevalence of anemia in the world. World Health Statistics Quarterly, 38, 302–316.
   PubMedGoogle Scholar
• Adio, M. B., Ndamukong, K. J., Kimbi, H. K. & Mbuh, J. V. (2004). Malaria and intestinal helminthiasis in school children of Kumba urban area, Cameroon. East African Medical Journal, 81, 583-588.
   Google Scholar
• Akenzua, G. I., Ihongbe, J. C. & Imasuen, I. W. (1985). Haemopoietic response of Nigerian village children to iron, folate supplementation and malaria prophy-laxis. Journal of Tropical Pediatrics, 31, 59–62.
   PubMed Web of Science ®Google Scholar
• Al Serouri, A. W., Grantham-McGregor, S. M., Greenwood, B. & Costello, A. (2000). Impact of asymptomatic malaria parasitaemia on cognitive function and school achievement of schoolchildren in the Yemen Republic. Parasitology, 121, 337–345.
   PubMed Web of Science ®Google Scholar
• Bethony, J., Loukas, A., Smout, M., Brooker, S., Mendez, S., Plieskatt, J. Goud, G., Bottazzi, M. E., Zhan, B., Wang, Y., Williamson, A., Lustigman, S. Correa-Oliviera, R., Xiao, S. & Hotez, P. J. (2005). Antibodies against a secreted protein from hookworm larvae reduce the intensity of hookworm infection in humans and vaccinated laboratory animals. FASEB Journal, 19, 1743–1745.
   PubMed Web of Science ®Google Scholar
• Booth, M., Vennervald, B. J., Kenty, L., Butterworth, A. E., Kariuki, H. C., Kadzo, H., Ireri, E., Amaganga, C., Kimani, G., Mwatha, J. K., Otedo, A., Ouma, J. H., Muchiri, E. & Dunne, D. W. (2004a). Micro-geographical variation in exposure to Schistosoma mansoni and malaria, and exacerbation of splenomegaly in Kenyan school-aged children. BMC Infectious Diseases, 4,13.
   Google Scholar
• Booth, M., Vennervald, B. J., Kenty, L., Butterworth, A. E., Kariuki, H. C., Kadzo, H., Ireri, E., Amaganga, C., Kimani, G., Mwatha, J. K., Otedo, A., Ouma, J. H. & Dunne, D. W. (2004b). Exposure to malaria affects the regression of hepatosplenome-galy after treatment for Schistosoma mansoni infection in Kenyan children. BMC Medicine, 2,36.
   PubMed Web of Science ®Google Scholar
• Boutlis, C. S., Fagan, P. K., Gowda, D. C., Lagog, M., Mgone, C. S., Bockarie, M. J. & Anstey, N. M. (2003). Immunoglobulin G (IgG) reponses to Plasmodium falciparum glycosylphosphatidylinositols are short lived and predominantly IgG3 subclass. Journal of Infectious Diseases, 187, 862–865.
   PubMed Web of Science ®Google Scholar
• Brabin, B. J., Premji, Z. & Verhoeff, F. (2001). An analysis of anemia and child mortality. Journal of Nutrition, 131, 636S-645S.
   Google Scholar
• Brooker, S., Peshu, N., Warn, P. A., Mosobo, M., Guyatt, H. L., Marsh, K. & Snow, R. W. (1999). The eipdemiology of hookworm infection and its contribution to anaemia among pre-school children on the Kenyan Coast. Transactions of the Royal Society of Tropical Medicine and Hygiene, 93, 240–246.
   PubMed Web of Science ®Google Scholar
• Clarke, S. E., Brooker, S., Njagi, J. K., Njau, E., Estambale, B., Muchiri, E. & Magnussen, P. (2004). Malaria morbidity among school children living in two areas of contrasting transmission in western Kenya. American Journal of Tropical Medicine and Hygiene, 71, 732–738.
   PubMed Web of Science ®Google Scholar
• Cornet, C. & Bundy, D. A. (1994). Does helminth infection affect mental processing and educational achievement? Parasitology Today, 10, 14–18.
   PubMedGoogle Scholar
• Crawley, J. (2004). Reducing the burden of anemia in infants and young children in malaria-endemic countries of Africa: from evidence to action. American Journal of Tropical Medicine and Hygiene, 71, 25–34.
   PubMed Web of Science ®Google Scholar
• Dallman, P. R., & times, M. A. & Stekel, A. (1980). Iron deficiency in infancy and childhood. American Journal of Clinical Nutrition, 33, 86-118.
   PubMed Web of Science ®Google Scholar
• De Souza, J. B., Todd, J., Krishegowda, G., Gowda, D. C., Kwiatkowski, D. & Riley, E. M. (2002). Prevalence and boosting of antibodies to Plasmodium falciparum glycosylphosphatidylinositols and evaluation of their association with protection. Infection and Immunity, 70, 5045-5051.
   Google Scholar
• Deloron, P., Ringwald, P., Luty, A. J., Renaut, A. Minh, T. N., Mbessy, J. R & Millet, P. (1999). Relationships between malaria prevalence and malaria-related morbidity in school children from two villages in Central Africa. American Journal of Tropical Medicine and Hygiene, 61, 99-102.
   Google Scholar
• Du, Y., Agnew, A., Ye, X. P., Robinson, P. A., Forman, D. & Crabtree, J. E. (2006). Helicobacter pylori and Schistosoma japonicum co-infection in a Chinese population: helminth infection alters humoral responses to H. pylori and serum pepsinogen 1/II ratio. Microbes and Infection, 8, 52–60.
   PubMed Web of Science ®Google Scholar
• Egwunyenga, A. O., Ajayi, J. A., Nmorsi, O. P. G. & Duhlinska-Popova, D. D. (2001). Plasmodium/intest-inal helminth co-infections among pregnant Nigerian women. Memorias do Instituto Oswaldo Cruz, 96, 1055-1059.
   PubMed Web of Science ®Google Scholar
• Ekvall, H., Arese, P., Turrini, F., Ayi, K., Mannu, F., Premji, Z. & Bjorkman, A. (2001). Acute haemolysis in childhood falciparum malaria. Transactions of the Royal Society of Tropical Medicine and Hygiene, 95, 611-617.
   PubMed Web of Science ®Google Scholar
• Elghazali, G., Perlmann, H., Rutta, A. S. M., Perlmann, P. & Troye-Blomberg, M. (1997). Elevated plasma levels of IgE in Plasmodium falci-parum-primed individuals reflect an increased ratio of IL-4 to interferon-gamma (IFN-y)-producing cells. Clinical and Experimental Immunology, 109, 84-89.
   Google Scholar
• Ellman, R., Maxwell, C., Finch, R. & Shayo, D. (1998). Malaria and anaemia at different altitudes in the Muheza district of Tanzania: childhood morbid-ity in relation to level of exposure to infection. Annals of Tropical Medicine and Parasitology, 92, 741–753.
   PubMed Web of Science ®Google Scholar
• Falcone, F. H., Loukas, A., Quinnell, R. J. & Pritchard, D. I. (2004). The innate allergenicity of helminth parasites. Clinical Reviews in Allergy and Immunology, 26, 61-72.
   PubMed Web of Science ®Google Scholar
• Fernando, S. D., Gunawardena, D. M., Bandara, M. R. S. S., de Silva, D., Carter, R., Mendis, K. N. & Wickremasinghe, A. R. (2003). The impact of repeated malaria attacks on the school performance of children. American Journal of Tropical Medicine and Hygiene, 69, 582–588.
   PubMed Web of Science ®Google Scholar
• Fleming, A. F. & Werblinska, B. (1982). Anemia in childhood in the Guinea savanna of Nigeria. Annals of Tropical Paediatrics, 2, 161-173.
   PubMedGoogle Scholar
• Greenwood, B. M., Bradley, A. K., Greenwood, A. M., Byass, P., Jammeh, K., Marsh, K,. Tulloch, S., Oldfield, F. S. & Hayes, R. (1987). Mortality and morbidity from malaria among children in a rural area of The Gambia, West Africa. Transactions of the Royal Society of Tropical Medicine and Hygiene, 81, 478–486.
   PubMed Web of Science ®Google Scholar
• Holland, C. V., Asaolu, S. O., Crompton, D. W., Stoddart, R C., Macdonald, R & Torimiro, S. E. (1989). The epidemiology of Ascaris lumbricokles and other soil-transmitted helminths in primary school children from Ile-Ife, Nigeria. Parasitology, 99,275-285. Kabatereine, N. B., Tukahebwa, E. M., Brooker, S., Alderman, H. & Hall, A. (2001). Epidemiology of intestinal helminth infestations among schoolchildren in southern Uganda. East African Medical Journal, 78, 283-286.
   Google Scholar
• Keenihan, H. S. N., Ratiwayanto, S., Soebianto, S., Krisin., Marwoto, H., Krishnegowda, G., Gowda, D. C., Bangs, M. J., Fryauff, D. J., Richie, T. L., Kumar, S. & Baird, J. K. (2003). Age-dependent impairment of IgG responses to glycosylphosphati-dylinositol with equal exposure to Plasmodium falci-parum among Javanese migrants to Papua, Indonesia. American Journal of Tropical Medicine and Hygiene, 69, 36-41.
   Google Scholar
• Kimbi, H. K., Tetteh, K. K. A., Polley, S. D. & Conway, D. J. (2004). Cross-sectional study of specific antibodies to a polymorphic Plasmodium falciparum antigen and of parasite antigen genotypes in school children on the slope of Mount Cameroon. Transactions of the Royal Society of Tropical Medicine and Hygiene, 98, 284-289.
   Google Scholar
• King, E. M., Kim, H. T., Dang, N. T., Michael, E., Drake, L., Needham, C., Hague, R., Bundy, D. A. & Webster, J. P. (2005). Immuno-epidemiology of Ascaris lumbricoides infection in a high transmission community: antibody responses and their impact on current and future infection intensity. Parasite Immunology, 27, 89-96.
   Google Scholar
• Kloos, H., Fulford, A. J., Butterworth, A. E., Sturrock, R. F., Ouma, J. H., Kariuki, H. C., Thiongo, F. W., Dalton, P. R. & Klumpp, R. K. (1997). Spatial patterns of human water contact and Schistosoma mansoni transmission and infection in four rural areas in Machakos district, Kenya. Social Science and Medicine, 44, 949-968.
   Google Scholar
• Klumpp, R. K. & Webbe, G. (1987). Focal, seasonal and behavioural patterns of infection and transmission of Schistosoma haematobium in a farming village at the Volta Lake, Ghana. Journal of Tropical Medicine and Hygiene, 90, 265-281.
   Google Scholar
• Lertanekawattana, S., Wichatrong, T., Chaisari, K., Uchikawa, R. & Arizono, N. (2005). Immunological characteristics of patients infected with common intestinal helminths: results of a study based on reverse-transcriptase PCR. Annals of Tropical Medicine and Parasitology, 99, 71–80.
   PubMed Web of Science ®Google Scholar
• Mackintosh, C. L., Beeson, J. G. & Marsh, K. (2004). Clinical features and pathogenesis of severe malaria. Trends in Parasitology, 20, 597–603.
   PubMed Web of Science ®Google Scholar
• Maxwell, C. A., Chambo, W., Mwaimu, M., Magogo, F., Carneiro, I. A. & Curtis, C. F. (2003). Variation of malaria transmission and morbidity with altitude in Tanzania and with introduction of alphacypermethrin treated nets. Malaria Journal, 2, 28.
   PubMed Web of Science ®Google Scholar
• McGregor, I. A., Williams, K., Billewicz, W.Z. & Thompson, A. M. (1966). Haemoglobin concentra-tion and anaemia in young West African (Gambian) children. Transactions of the Royal Society of Tropical Medicine and Hygiene, 60, 650-667.
   Google Scholar
• Migesana, S., Sumetchotimaytha, J., Egoramaiphol, S. & Migasena, P. (1984). Zinc in the pathogenesis of hookworm anaemia. Southeast Asian Journal of Tropical Medicine and Public Health, 15, 206–208.
   PubMedGoogle Scholar
• Minang, J. T., Gyan, B. A., Anchang, J. K., Troye-Blomberg, M., Perlmann, H. & Achidi, E. A. (2004). Haptoglobin phenotypes and malaria infection in pregnant women at delivery in western Cameroon. Acta Tropica, 90, 107–114.
   PubMed Web of Science ®Google Scholar
• Nacher, M., Singhasivanon, P., Traore, B., Vannaphan, S., Gay, F., Chindanond, D., Franc J. Franetich, O., Mazier, D. & Looareesuwan, S. (2002a). Helminth infections are associated with protection from cerebral malaria and increased nitrogen derivatives concentrations in Thailand. American Journal of Tropical Medicine and Hygiene, 66, 304-309.
   Google Scholar
• Nacher, M., Singhasivanon, P., Yimsamran, S., Manibunyong, W., Thanyavanich, N., Wuthisen, R. & Looareesuwan, S. (2002b). Intestinal helminth infections are associated with increased incidence of Plasmodium falciparum malaria in Thailand. Journal of Parasitology, 88, 55–58.
   PubMed Web of Science ®Google Scholar
• Naik, R S., Krishnegowda, G., Ockenhouse, C. F. & Gowda, D. C. (2006). Naturally elicited antibodies to glycosylphosphatidylinositol (GPIs) of Plasmodium falciparum require intact GPI structuree for binding and are directed primarily against the conserved glycan moiety. Infection and Immunity, 74, 1412–1415.
   PubMed Web of Science ®Google Scholar
• Njama-Meya, D., Kamya, M. R. & Dorsey, G. (2004). Asymptomatic parasitaemia as a risk factor for symptomatic malaria in a cohort of Ugandan children. Tropical Medicine and International Health, 9, 862–868.
   PubMed Web of Science ®Google Scholar
• Nkuo-Akenji, T. K., Ajame, E. A. & Achidi, E. A. (2002). An investigation of symptomatic malaria parasitaemia and anaemia in nursery and primary school children in Buea district, Cameroon. Central African Journal of Medicine, 48, 1-4.
   Google Scholar
• Nokes, C. & Bundy, D. A. P. (1994). Does helminth infection affect mental processing and educational achievement? Parasitology Today, 10, 14–18.
   PubMedGoogle Scholar
• Nwosu, A. B. C. (1981). The community ecology of soil-transmitted helminth infections of humans in a hyperendemic area of southern Nigeria. Annals of Tropical Medicine and Parasitology, 75, 175–203.
   Google Scholar
• Obiamiwe, B. A. (1977). The pattern of parasitic infection in human gut at the Specialist Hospital, Benin City, Nigeria. Annals of Tropical Medicine and Parasitology, 71, 35–43.
   PubMed Web of Science ®Google Scholar
• Obiamiwe, B. A. & Nmorsi, P. (1991). Human gastro-intestinal parasites in Bendel state, Nigeria. Angewandte Parasitologie, 32, 177–183.
   PubMedGoogle Scholar
• Odutan, S. O. (1974). The health of Nigerian children of school age (6-15 years). II. Parasitic and infective conditions, the special senses, physical abnormalities. Annals of Tropical Medicine and Parasitology, 68, 145–156.
   PubMedGoogle Scholar
• Perlmann, H., Perlmann, P., Berzins, K., Wahlin, B., Troye-Blomberg, M., Hagstedt, M., Andersson, I., Hogh, B., Pertersen, E., & Björkman, A. (1989). Dissection of the human antibody response to the malaria antigen Pf155/RESA into epitope specific components. Immunology Reviews, 112, 115–131.
   PubMed Web of Science ®Google Scholar
• Perlmann, H., Helmby, H., Hagstedt, M., Carlsson, J., Larsson, P. H., Troye-Blomberg, M. & Perlmann, P. (1994). IgE elevation and IgE anti-malarial antibo-dies in Plasmodium falciparum malaria: association of high IgE levels with cerebral malaria. Clinical and Experimental Immunology, 97, 284-292.
   Google Scholar
• Perraut, R, Diana, B., Marrama, L., Garraud, O., Janbou, R., Longacre, S., Krishnegowda, G., Dieye, A. & Gowda, D. C. (2005). Differential antibody responses to Plasmodium falciparum glycosylphospha-tidylinositol anchors in patients with cerebral and mild malaria. Microbes and Infection, 7, 682–687.
   PubMed Web of Science ®Google Scholar
• Pettit, J. J., Jackson, F., Rocchi, M. & Huntley, J. F. (2005). The relationship between responsiveness against gastrointestinal nematodes in lambs and the numbers of circulating IgE-bearing cells. Veterinary Parasitology, 134, 131-139.
   Google Scholar
• Pritchard, D. I. & Walsh, E. A. (1995). The specificity of the human IgE response to Necator americanus. Parasite Immunology, 17, 605–607.
   PubMed Web of Science ®Google Scholar
• Pritchard, D. I., Walsh, E. A., Quinell, R. J., Raiko, A., Edmonds, P. & Keymer, A.E. (1992). Isotypic variation in antibody responses in a community in Papua New Guinea to larval and adult antigens during infection, and following reinfection, with the hookworm Necator americanus. Parasite Immunology, 14, 617-631.
   Google Scholar
• Quinnell, R. J., Bethony, J. & Pritchard, D. J. (2004). The immunoepidemiology of human hookworm infection. Parasite Immunology, 26, 443-454.
   Web of Science ®Google Scholar
• Richter, J., Stiborova, I., Pohorska, J., Dobiasova, L. & Kral, V. (2005). Antibody response to Ascaris lumbricoides among the children population in the Usti region. Epidemiologie, Mikrobiologie, Imunologie, 54, 143–147.
   PubMedGoogle Scholar
• Rooth, I., Perlmann, H. & Björkman, A. (1991). Plasmodium falciparum reinfection in children from a holoendemic area in relation to seroreactivities against oligopeptides from different malarial anti-gens. American Journal of Tropical Medicine and Hygiene, 45, 309-318.
   Google Scholar
• Rothenburg, M. E. & Hogan, S. P. (2006). The eosinophil. Annual Review of Immunology, 24, 147–174.
   PubMed Web of Science ®Google Scholar
• Shapiro, A. E., Tukahebwa, E. M., Kasten, J., Clarke, S. E., Magnussen, P., Olsen, A., Kabatereine, N. B., Ndyomugyenyi, R & Broker S. (2005). Epidemiology of helminth infections and their relationship to clinical malaria in southwest Uganda. Transations of the Royal Society of Tropical Medicine and Hygiene, 99, 18-24.
   Google Scholar
• Snow, R. W., Craig, M., Deichmann, U. & Marsh, K. (1999). Estimating mortality, morbidity and disabil-ity due to malaria among Africa's non-pregnant population. Bulletin of the World Health Organization, 77, 624–640.
   PubMed Web of Science ®Google Scholar
• Spencer, T. E. T. (1966). Haemoglobin levels in the D'Entrecasteaux Islands in relation to malaria and nutrition. Medical Journal of Australia, 2, 1093–1097.
   PubMedGoogle Scholar
• Stoltzfus, R. J. (1997). Re-thinking anaemia surveil-lance. Lancet, 349, 1764–1766.
   PubMed Web of Science ®Google Scholar
• Stoltzfus, R. J., Dreyfuss, M. L., Chwaya, H. M. & Albonico, M. (1997). Hookworm control as a strategy to prevent iron deficiency. Nutrition Reviews, 55, 223-232.
   Google Scholar
• Suguitan, A. L., Gowda, D. C., Fouda, G., Thuita, L., Zhou, A., Djokam R., Metenou, S., Leke, R. G. & Taylor, D. W. (2004). Lack of association between antibodies to Plasmodium falciparum glycosylpho-sphatidylinositols and malaria-associated placental changes in Cameroonian women with pre-term and full-term deliveries. Infection and Immunity, 72, 5267–5273.
   PubMed Web of Science ®Google Scholar
• Tachado, S. D., Gerold, P., McConville, M. J., Baldwin, T., Quilici, D., Schwaz, R. T. & Schofield, L. (1996). Glycosylphosphatidylinositol toxin of Plasmodium falciparum induces nitric oxide synthase expression in macrophages and vascular endothelial cells by a protein tyrosine kinase-dependent and protein kinase C-dependent signalling pathway. Journal of Immunology, 156, 1897–1907.
   PubMed Web of Science ®Google Scholar
• Tatala, S., Svanberg, U. & Mduma, B. (1998). Low dietary iron availability is a major cause of anemia: a nutrition survey in the Lindi district of Tanzania. American Journal of Clinical Nutrition, 68, 171–178.
   PubMed Web of Science ®Google Scholar
• Udonsi, J. K. (1984). Necator americanus: a cross-sectional study of rural community in relation to some clinical signs. Annals of Tropical Medicine and Parasitology, 78, 443–443.
   PubMed Web of Science ®Google Scholar
• Van Eijk, A. M., Ayisi, J. G., ter Kuile, F. O., Misore, A. O., Otieno, J. A., Kolczak, M. S., Kager, P. A., Steketee, R. W. & Nahlen, B. L. (2002). Malaria and human immunodeficiency virus infection as risk factors for anemia in infants in Kisumu, western Kenya. American Journal of Tropical Medicine and Hygiene, 67, 44-53.
   Google Scholar
• Verhoef, H., West, C. E., Veenemans, J., Beguin, Y. & Kok, F. J. (2002). Stunting may determine the severity of malaria-associated anemia in African children. Pediatrics, 110, 48–54.
   Web of Science ®Google Scholar
• Wanji, S., Tanke, T., Atanga, S. N., Ajonina, C., Nicolas, T. & Fontenille, D. (2003). Anopheles species of the Mount Cameroon region; biting habits, feeding behaviour and entomological inoculation rates. Tropical Medicine and International Health, 8, 643–649.
   PubMed Web of Science ®Google Scholar
• World Health Organization (1996). Report of the WHO Informal Consultation on Hookworm Infection and Anaemia in Girls and Women. Document WHO/ CTD/SIP/96.1. Geneva: WHO.
   Google Scholar
• World Health Organization (2003). The African Malaria Report. Document WHO/CDS/MAL/ 203. 1093. Geneva: WHO.
   Google Scholar