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25421por Ganesan, Karthikeyan, Ponmee, Napawan, Jiang, Lei, Fowble, Joseph W., White, John, Kamchonwongpaisan, Sumalee, Yuthavong, Yongyuth, Wilairat, Prapon, Rathod, Pradipsinh K.“…It was of interest to learn how DNA microarrays may be used to study drug action in malaria parasites. In one large, tightly controlled study involving 123 microarray hybridizations between cDNA from isogenic drug-sensitive and drug-resistant parasites, a lethal antifolate (WR99210) failed to over-produce RNA for the genetically proven principal target, dihydrofolate reductase-thymidylate synthase (DHFR-TS). …”
Publicado 2008
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25422por Raj, Dipak Kumar, Mu, Jianbing, Jiang, Hongying, Kabat, Juraj, Singh, Subash, Sullivan, Margery, Fay, Michael P., McCutchan, Thomas F., Su, Xin-zhuan“…ATP-binding cassette transporters play an important role in drug resistance and nutrient transport. In the human malaria parasite Plasmodium falciparum, a homolog of the human p-glycoprotein (PfPgh-1) was shown to be involved in resistance to several drugs. …”
Publicado 2009
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25423por Mauritz, Jakob M. A., Esposito, Alessandro, Ginsburg, Hagai, Kaminski, Clemens F., Tiffert, Teresa, Lew, Virgilio L.“…The asexual reproduction cycle of Plasmodium falciparum, the parasite responsible for severe malaria, occurs within red blood cells. A merozoite invades a red cell in the circulation, develops and multiplies, and after about 48 hours ruptures the host cell, releasing 15–32 merozoites ready to invade new red blood cells. …”
Publicado 2009
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25424“…In this paper, we report on a qualitative study exploring community understanding and perceptions of a malaria vaccine trial (MVT) conducted in a rural setting on the Kenyan Coast. …”
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25425“…BACKGROUND: DB289, [2,5-bis(4-amidinophenyl)furan bis-O-methylamidoxime], is a broad spectrum anti-parasitic compound which has been shown to be effective against malaria in recent clinical trials. DB75, [2,5-bis(4-amidinophenyl)furan], is the active metabolite of this drug. …”
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25426por Stillwaggon, Eileen“…Evidence continues to accumulate, showing that multiple factors, such as malnutrition, malaria and helminthes, increase the risk of sexual and vertical transmission of HIV. …”
Publicado 2009
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25427por Cheeseman, Ian H, Gomez-Escobar, Natalia, Carret, Celine K, Ivens, Alasdair, Stewart, Lindsay B, Tetteh, Kevin KA, Conway, David J“…BACKGROUND: Gene copy number variation (CNV) is responsible for several important phenotypes of the malaria parasite Plasmodium falciparum, including drug resistance, loss of infected erythrocyte cytoadherence and alteration of receptor usage for erythrocyte invasion. …”
Publicado 2009
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25428“…We show a specific example with application to Anopheles gambiae sensu stricto strains at the Malaria Research and Reference Reagent Resource Center. …”
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25429por Phiri, K S, Calis, J C J, Siyasiya, A, Bates, I, Brabin, B, van Hensbroek, M Boele“…However, assessment of the iron status has proven to be difficult, especially in children living in areas with high infection pressure (including malaria). AIMS AND METHODS: Biochemical iron markers were compared to bone marrow iron findings in 381 Malawian children with severe anaemia. …”
Publicado 2009
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25430por Diabaté, Abdoulaye, Dao, Adama, Yaro, Alpha S., Adamou, Abdoulaye, Gonzalez, Rodrigo, Manoukis, Nicholas C., Traoré, Sékou F., Gwadz, Robert W., Lehmann, Tovi“…Anopheles gambiae, the major malaria vector in Africa, can be divided into two subgroups based on genetic and ecological criteria. …”
Publicado 2009
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25431“…BACKGROUND: Anopheles cruzii (Diptera: Culicidae) has long been known as a vector of human and simian malaria parasites in southern and south-eastern Brazil. …”
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25432“…ORs have been identified in the malaria mosquito, Anopheles gambiae, and in the yellow fever mosquito, Aedes aegypti. …”
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25433por Baber, Ibrahima, Keita, Moussa, Sogoba, Nafomon, Konate, Mamadou, Diallo, M'Bouye, Doumbia, Seydou, Traoré, Sékou F., Ribeiro, José M. C., Manoukis, Nicholas C.“…We found evidence of large population size and migration from Fourda in Kenieroba during the wet season, but very low numbers and no sign of migrants during the dry season. We suggest that malaria vector control measures aimed at adult mosquitoes might be made more efficient in this region and other seasonal riparian habitats by targeting disruption of mosquito populations by the river during the dry season. …”
Publicado 2010
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25434por Otto, Thomas D, Wilinski, Daniel, Assefa, Sammy, Keane, Thomas M, Sarry, Louis R, Böhme, Ulrike, Lemieux, Jacob, Barrell, Bart, Pain, Arnab, Berriman, Matthew, Newbold, Chris, Llinás, Manuel“…In this study, we used Illumina-based massively parallel sequencing to gain new insight into the transcriptome (RNA-Seq) of the human malaria parasite, Plasmodium falciparum. Using data collected at seven time points during the intraerythrocytic developmental cycle, we (i) detect novel gene transcripts; (ii) correct hundreds of gene models; (iii) propose alternative splicing events; and (iv) predict 5′ and 3′ untranslated regions. …”
Publicado 2010
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25435por Horton, Ashley A, Lee, Yoosook, Coulibaly, Cheick A, Rashbrook, Vanessa K, Cornel, Anthony J, Lanzaro, Gregory C, Luckhart, Shirley“…BACKGROUND: Laboratory studies have demonstrated that a variety of immune signaling pathways regulate malaria parasite infection in Anopheles gambiae, the primary vector species in Africa. …”
Publicado 2010
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25436por Nunes, Marta C., Okada, Mami, Scheidig-Benatar, Christine, Cooke, Brian M., Scherf, Artur“…BACKGROUND: Modulation of infected host cells by intracellular pathogens is a prerequisite for successful establishment of infection. In the human malaria parasite Plasmodium falciparum, potential candidates for erythrocyte remodelling include the apicomplexan-specific FIKK kinase family (20 members), several of which have been demonstrated to be transported into the erythrocyte cytoplasm via Maurer's clefts. …”
Publicado 2010
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25437por Scala, Fernando, Fattorusso, Ernesto, Menna, Marialuisa, Taglialatela-Scafati, Orazio, Tierney, Michelle, Kaiser, Marcel, Tasdemir, Deniz“…In the present study, 13 bromopyrrole alkaloids, including the oroidin analogs hymenidin (2), dispacamide B (3) and dispacamide D (4), stevensine (5) and spongiacidin B (6), their derivatives lacking the imidazole ring bromoaldisin (7), longamide B (8) and longamide A (9), the dimeric oroidin derivatives sceptrin (10) and dibromopalau’amine (11), and the non-oroidin bromopyrrolohomoarginin (12), manzacidin A (13), and agelongine (14), obtained from marine sponges belonging to Axinella and Agelas genera have been screened in vitro against four parasitic protozoa, i.e., two Trypanosoma species (T. brucei rhodesiense and T. cruzi), Leishmania donovani and Plasmodium falciparum (K1 strain, a chloroquine resistant strain), responsible of human diseases with high morbidity and, in the case of malaria, high mortality. Our results indicate longamide B (8) and dibromopalau’amine (11) to be promising trypanocidal and antileishmanial agents, while dispacamide B (3) and spongiacidin B (6) emerge as antimalarial lead compounds. …”
Publicado 2010
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25438“…DISCUSSION: We present three infectious vector-borne diseases—Chagas, leishmaniasis, and malaria—and discuss evidence that suggests that the use of artificial lighting results in behavioral changes among human populations and changes in the prevalence of vector species and in the modes of transmission. …”
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25439por Soulama, Issiaka, Bigoga, Jude D., Ndiaye, Magatte, Bougouma, Edith C., Quagraine, Josephine, Casimiro, Prisca N., Stedman, Timothy T., Sirima, Sodiomon B.“…The malaria vaccine candidate antigens erythrocyte binding antigen 175 (EBA-175), merozoite surface protein 3 (MSP-3), and apical membrane antigen (AMA-1) from Plasmodium falciparum isolates from countries in central and west Africa were assessed for allelic diversity. …”
Publicado 2011
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25440por Caputo, Beniamino, Santolamazza, Federica, Vicente, José L., Nwakanma, Davis C., Jawara, Musa, Palsson, Katinka, Jaenson, Thomas, White, Bradley J., Mancini, Emiliano, Petrarca, Vincenzo, Conway, David J., Besansky, Nora J., Pinto, João, Torre, Alessandra della“…The main Afrotropical malaria vector, Anopheles gambiae sensu stricto, is undergoing a process of sympatric ecological diversification leading to at least two incipient species (the M and S molecular forms) showing heterogeneous levels of divergence across the genome. …”
Publicado 2011
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