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Development of anaemia in inflammatory diseases is cytokine-mediated. Specifically, the levels of tumour necrosis factor-alpha (TNF-alpha), produced by activated macrophages, are correlated with severity of disease and anaemia in infections and chronic disease. In African trypanosomiasis, anaemia...


Naessens, JanKitani, H.Nakamura, Y.Yagi, Y.Sekikawa, K.Iraqi, F.A.[TNF-alpha mediates the development of anaemia in a murine Trypanosoma brucei rhodesiense infection, but not the anaemia associated with a murine Trypanosoma congolense infection]TNF-alpha mediates the development of anaemia in a murine Trypanosoma brucei rhodesiense infection, but not the anaemia associated with a murine Trypanosoma congolense infection

C57BL/6 mice deficient in one or two copies of the gene for tumor necrosis factor alpha (TNF-alpha) were more susceptible to Trypanosoma congolense infection than their resistant, wild-type counterparts. The number of TNF-alpha genes was correlated with the capacity to control parasitaemia and ...


Naessens, JanKitani, H.Momotani, E.Sekikawa, K.Nthale, J.M.Iraqi, F.A.[Susceptibility of TNF-alpha-deficient mice to Trypanosoma congolense is not due to a defective antibody response]Susceptibility of TNF-alpha-deficient mice to Trypanosoma congolense is not due to a defective antibody response

A number of linkage studies in human populations have identified a locus ( pfbi) on Chromosome 5q31-q33 controlling Plasmodiun falciparum blood infection levels. This region contains numerous candidate genes encoding immunological molecules such as cytokines, growth factors and growth-factor rec...


Hernández Valladares, M.Rihet, P.Ole-MoiYoi, O.K.Iraqi, F.A.[Mapping of a new quantitative trait locus for resistance to malaria in mice by a comparative mapping approach with human chromosome 5q31-q33]Mapping of a new quantitative trait locus for resistance to malaria in mice by a comparative mapping approach with human chromosome 5q31-q33

The TNF-alfa gene on mouse chromosome MMU17 is among the candidates for the trypanosomosis resistance QTG Tirl. Tit t has the largest effect of those loci so far detected which influence degree of resistance to murine trypanosomosis caused by Trypanosome congolense infection. We therefore studied...


Iraqi, F.A.Sekikawa, K.Rowlands, G.J.Teale, A.J.[Susceptibility of tumour necrosis factor-alpha genetically deficient mice to Trypanosoma congolense infection]Susceptibility of tumour necrosis factor-alpha genetically deficient mice to Trypanosoma congolense infection

In the present study, we used newly developed F11 generation mouse advanced intercross lines (AIL) to fine map Pas1–3 quantitative trait loci (QTL). The (A/J x C57BL/6) F11 AIL mouse population was created by crossing lung tumor-resistant C57BL/6 mice with lung tumor-susceptible A/J mice. By se...


Wang, M.Lemon, W.J.Liu, G.Wang, Y.Iraqi, F.A.Malkinson, A.M.You, M.[Fine mapping and identification of candidate pulmonary adenoma susceptibility 1 genes using advanced intercross lines]Fine mapping and identification of candidate pulmonary adenoma susceptibility 1 genes using advanced intercross lines

We have previously obtained strong evidence for linkage of mild malaria attack to the MHC region, with a peak close to the tumor necrosis factor (TNF) gene. We screened, for polymorphisms, the entire TNF gene in the same sample of 34 families comprising 197 individuals living in a Plasmodium falc...


Flori, L.Delahaye, N.F.Iraqi, F.A.Hernández Valladares, M.Fumoux, F.Rihet, P.[TNF as a malaria candidate gene: Polymorphism-screening and family-based association analysis of mild malaria attack and parasitemia in Burkina Faso]TNF as a malaria candidate gene: Polymorphism-screening and family-based association analysis of mild malaria attack and parasitemia in Burkina Faso

The tumor necrosis factor (TNF) locus comprises the tandemly arranged genes coding for Tnfa (cachectin)and Tnfb (lymphotoxin-alpha) (Semon et al. 1987). In mice, the TNF locus is located on chromosome 17 (MMU17) in the major histocompatibility complex (MHC)region. Tnfa and soluble lymphotoxin alp...


Iraqi, F.A.Teale, A.J.[Polymorphisms in the TNFa but not in TNFb microsatellite and correlation with trypanosomiasis in mice]Polymorphisms in the TNFa but not in TNFb microsatellite and correlation with trypanosomiasis in mice

Tumor necrosis factor-[alpha] (TNF-[alpha]) plays a role in the host's defence against infections with African trypanosomes. It helps to control the blood stream form of the parasite and in Trypanosoma congolense infections, it also prolongs survival. The mechanisms by which this cytokine can inf...


Kitani, H.Yagi, Y.Naessens, JanSekikawa, K.Iraqi, F.A.[The secretion of acute phase proteins and inflammatory cytokines during Trypanosoma congolense infection is not affected by the absence of the TNF-[alpha] gene]The secretion of acute phase proteins and inflammatory cytokines during Trypanosoma congolense infection is not affected by the absence of the TNF-[alpha] gene

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