Analysis of the genetic structure of allopatric populations of Lutzomyia umbratilis using the period clock gene.

abstract：:The cellular immune response in neurocysticercosis (NC) was studied in 22 patients, 11 (50%) of them in the inflammatory phase of the disease, by means of immunophenotyping of cells in cerebrospinal fluid (CSF) and peripheral blood (PB), lymphoproliferation assay with Taenia solium total saline extract (Tso) and Taeni...

journal_title：Acta tropica

authors： Bueno EC,dos Ramos Machado L,Livramento JA,Vaz AJ

更新日期：2004-07-01 00:00:00

abstract：:Several methods based on the detection of the parasite-specific pigment haemozoin (Hz) in blood are currently being investigated as alternative diagnostic methods for malaria. Although this approach may appear attractive, the fact that in Plasmodium falciparum (P. f.) malaria, the severity of which should give it the ...

journal_title：Acta tropica

authors： Rebelo M,Shapiro HM,Amaral T,Melo-Cristino J,Hänscheid T

更新日期：2012-07-01 00:00:00

abstract：:Bovine cryptosporidiosis is mainly caused by four distinct species: Cryptosporidium parvum, C. bovis, C. ryanae and C. andersoni. The first, C. parvum, is a major concern in livestock causing economic losses, in addition to public health impact because of its zoonotic characteristics. The present study aimed to determ...

journal_title：Acta tropica

authors： do Couto MC,Lima Mde F,do Bomfim TC

更新日期：2014-02-01 00:00:00

abstract：:This study was conducted to determine the effects of increased water temperatures on the development of Aedes aegypti immatures under laboratory conditions in Trinidad, West Indies using temperature regulated water baths to cover a range of temperatures from 24-25°C to 34-35°C at a relative humidity of 80%. Two experi...

journal_title：Acta tropica

authors： Mohammed A,Chadee DD

更新日期：2011-07-01 00:00:00

abstract：:In July 1989, blood samples were collected from parasitaemic cattle in the Ghibe valley, Ethiopia, frozen in liquid nitrogen and transported to Nairobi, Kenya. Twelve of the stabilates were inoculated into individual Boran (Bos indicus) calves and characterised for their sensitivity, in turn, to diminazene aceturate (...

journal_title：Acta tropica

authors： Codjia V,Mulatu W,Majiwa PA,Leak SG,Rowlands GJ,Authié E,d'Ieteren GD,Peregrine AS

更新日期：1993-04-01 00:00:00

abstract：:A randomized double-blind study was performed to compare the side effects of long-term chemoprophylaxis of malaria with Fansidar (1 tablet a week) with those of a 300-mg weekly chloroquine regimen. This study was designed as a field trial with Austrian industrial workers in Nigeria and included 173 volunteers, 86 taki...

journal_title：Acta tropica

authors： Stemberger H,Leimer R,Wiedermann G

更新日期：1984-12-01 00:00:00

abstract：BACKGROUND:Visceral leishmaniasis (VL) affecting HIV-infected patients is considered a challenging condition because of its high mortality and relapse rates. The approach of this condition is still surrounded by many uncertainties, especially regarding the criteria to institute and discontinue secondary prophylaxis for...

journal_title：Acta tropica

authors： Cota GF,de Sousa MR,de Assis TSM,Pinto BF,Rabello A

更新日期：2017-08-01 00:00:00

abstract：:Strongyloidiasis is widely distributed in the tropical and subtropical areas. Ivermectin is the drug of choice for the treatment. However, the concerns about relying treatment on a single drug make identification of new molecules a priority. Alkylphospholipid analogues, including edelfosine, are a group of synthetic c...

journal_title：Acta tropica

authors： Legarda-Ceballos AL,Rojas-Caraballo J,López-Abán J,Ruano AL,Yepes E,Gajate C,Mollinedo F,Muro A

更新日期：2016-10-01 00:00:00

abstract：:Indirect erythrocyte membrane immunofluorescence (EMIF), a standard method for detection of antibodies to the P. falciparum blood stage vaccine candidate antigen Pf155/RESA, has been adapted to light microscopy by enzyme-linked immunostaining of the erythrocyte membrane, using alkaline phosphatase and chromogenic subs...

journal_title：Acta tropica

authors： Udomsangpetch R,Kulane A,Berzins K,Perlmann H,Perlmann P,Flyg BW

更新日期：1993-10-01 00:00:00

abstract：:Field experiments were conducted in central Kenya, to study the effect of ammonium sulphate fertiliser ((NH(4))(2)SO(4)) on mosquito larval populations in rice fields. The experiments used a complete randomised block design having four blocks with two experimental ponds per block, and the fertiliser and control treatm...

journal_title：Acta tropica

authors： Mutero CM,Ng'ang'a PN,Wekoyela P,Githure J,Konradsen F

更新日期：2004-01-01 00:00:00

abstract：:The blood-feeding behaviour of nymphs and adults of Triatoma brasiliensis fed on the forearm of human volunteers was studied by electronic monitoring of the cibarial pump. Parameters of total contact time (TT), initial weight (IW), weight gain (WG), ingestion rate (IR), pump frequency (F), quantity of liquid ingested ...

journal_title：Acta tropica

authors： Guarneri AA,Diotaiuti L,Gontijo NF,Gontijo AF,Pereira MH

更新日期：2003-08-01 00:00:00

abstract：:A 30-kDa surface collagen binding protein peroxiredoxin of Entamoeba histolytica (EhCBP30) was evaluated either alone or fused to the chaperone (CHP) or ATPase (ATP) domains of heat shock protein 70 of Trypanosoma cruzi (TcHSP70) as a vaccine candidate in a hamster model of experimental amoebic liver abscess (ALA) dev...

journal_title：Acta tropica

authors： González-Vázquez MC,Carabarin-Lima A,Baylón-Pacheco L,Talamás-Rohana P,Rosales-Encina JL

更新日期：2012-05-01 00:00:00

abstract：:Leishmania is transmitted in the presence of sand fly saliva. Protective immunity generated by saliva has encouraged identification of a vector salivary-based vaccine. Previous studies have shown that immunization with LJM11, a salivary protein from Lutzomyia longipalpis, is able to induce a Th1 immune response and pr...

journal_title：Acta tropica

authors： Cunha JM,Abbehusen M,Suarez M,Valenzuela J,Teixeira CR,Brodskyn CI

更新日期：2018-01-01 00:00:00

abstract：:Genetic variability in the Trypanosoma cruzi I group has recently been revealed in Colombian isolates from humans, reservoirs and vectors. Genomic rearrangements and the polymorphic regions in taxonomic markers, such as the miniexon gene, have led to the development of molecular tools to identify phylogenetic haplotyp...

journal_title：Acta tropica

authors： Falla A,Herrera C,Fajardo A,Montilla M,Vallejo GA,Guhl F

更新日期：2009-04-01 00:00:00

abstract：:We aimed to assess the effect of exogenous Interleukin (IL)-17A in experimental model of echinococcosis. Swiss mice were inoculated intra-peritoneally with viable protoscoleces (PSCs). Then, IL-17A was administered at 100, 125 or 150 pg/mL two weeks after cystic echinococcosis (CE) induction. Cyst development and hepa...

journal_title：Acta tropica

authors： Labsi M,Soufli I,Khelifi L,Amir ZC,Touil-Boukoffa C

更新日期：2018-05-01 00:00:00

abstract：:The drawback of existing techniques for obtaining intact granulomas and granuloma cells have been, (1) lack of clean intact granulomas without adhering liver tissues, (2) isolating inadequate numbers of clean intact granulomas, and (3) obtaining low numbers of viable granuloma cells from the granulomas. This work aims...

journal_title：Acta tropica

authors： Yole DS

更新日期：1998-06-30 00:00:00

abstract：:We report results of Trypanosoma cruzi infection and parasite genotypes in the wild Octodon degus and synantropic reservoir Rattus rattus from an endemic area with sylvatic Triatoma infestans as the only detected vector. The infection status was determined by hemi-nested PCR directed to minicircles DNA and genotyping ...

journal_title：Acta tropica

authors： Galuppo S,Bacigalupo A,García A,Ortiz S,Coronado X,Cattan PE,Solari A

更新日期：2009-07-01 00:00:00

abstract：:Leptospirosis is a globally distributed zoonosis of major public health importance and is associated with severe disease manifestations such as acute renal failure and pulmonary haemorrhage syndrome. However, the extent to which the pathogenesis of leptospirosis mimics sepsis caused by Gram-negative bacteria remains u...

journal_title：Acta tropica

authors： Maciel EA,Athanazio DA,Reis EA,Cunha FQ,Queiroz A,Almeida D,McBride AJ,Ko AI,Reis MG

更新日期：2006-12-01 00:00:00

abstract：:Leishmaniasis, a zoonotic disease caused by parasites of the genus Leishmania, has expanded beyond its natural range and is becoming increasingly urban. Using PCR and PCR-RFLP, we detected Leishmania (Viannia) braziliensis in two bats (Chiroptera) in Mato Grosso do Sul, Brazil, an endemic area. This is the first recor...

journal_title：Acta tropica

authors： Shapiro JT,da Costa Lima Junior MS,Dorval ME,de Oliveira França A,Cepa Matos Mde F,Bordignon MO

更新日期：2013-10-01 00:00:00

abstract：:In vitro cultured Plasmodium falciparum gametocytes were fed to Anopheles gambiae (G3) mosquitoes to identify parasite population characteristics useful for predicting successful mosquito infections. Parameters were collected from an initial study of 90 infections over a two year period and a second study of 55 infect...

journal_title：Acta tropica

authors： Noden BH,Beadle PS,Vaughan JA,Pumpuni CB,Kent MD,Beier JC

更新日期：1994-10-01 00:00:00

abstract：:We used previously immunized (partially resistant) and naive (highly susceptible) BALB/c mice infected with Leishmania amazonensis for evaluating the role of granulocytes in the course of murine leishmaniasis. The animals were examined at different times post-infection and granulocytes counted in lesion tissues examin...

journal_title：Acta tropica

authors： Pompeu ML,Freitas LA,Santos ML,Khouri M,Barral-Netto M

更新日期：1991-01-01 00:00:00

abstract：:This review outlines the metabolism of polyamines in African trypanosomes and summarizes evidence to indicate that trypanosome polyamine metabolism differs in several important aspects from that of the mammalian host. These differences relate to the halflife, turnover, substrate specificity and regulation of enzymes w...

journal_title：Acta tropica

authors： Bacchi CJ,Yarlett N

更新日期：1993-09-01 00:00:00

abstract：:As strictly haematophagous insects, tsetse flies feed on a wide variety of wild and domestic animals. Although these are mainly mammals, some tsetse species also feed on reptiles. The present study investigated whether the odours of several potential natural tsetse hosts may be used as novel attractants to improve the...

journal_title：Acta tropica

authors： Späth J

更新日期：1997-11-01 00:00:00

abstract：:The efficacy of a 5-day treatment with intramuscular artemether (3.2-mg/kg loading dose followed by 1.6 mg/kg daily) was compared to that of the standard 7-day treatment with quinine (20-mg/kg loading dose followed by 10 mg/kg every 8 h) in a randomised clinical trial including 103 children aged 12-60 months with cere...

journal_title：Acta tropica

authors： Olumese PE,Björkman A,Gbadegesin RA,Adeyemo AA,Walker O

更新日期：1999-10-15 00:00:00

abstract：:Smears of suspected patients infected with zoonotic cutaneous leishmaniasis (ZCL) were stained and examined under a light microscopic observation. DNA of parasites within human ulcers was extracted directly from their smears. Nested PCR was used to amplify a fragment containing the internal transcribed spacers of the ...

journal_title：Acta tropica

authors： Bordbar A,Parvizi P

更新日期：2014-05-01 00:00:00

abstract：:Representatives of the genus Trypanosoma have been traditionally found in epimastigote, espheromastigote and trypomastigote flagellated forms in axenic cultures. Trypanosoma caninum is a trypanosomatid that has recently been reported infecting dogs in endemic areas of canine leishmaniasis in Brazil. It presents specif...

journal_title：Acta tropica

authors： Barros JH,Fonseca TS,Macedo-Silva RM,Côrte-Real S,Toma HK,Madeira Mde F

更新日期：2014-09-01 00:00:00

abstract：:The Clean India Mission is a national campaign that aims for complete elimination of open defecation from the country. In India, 564 million people do not have access to toilets and defecate in the open environment. The 'Millennium development goals' have given increased weightage to elimination of open defecation for...

journal_title：Acta tropica

authors： Thakur R,Singh BB,Jindal P,Aulakh RS,Gill JPS

更新日期：2018-10-01 00:00:00

abstract：:The complete life cycle of the trematode Ascocotyle (Phagicola) longa (Digenea: Heterophyidae) is elucidated by natural observation validated by experimental infections. The natural first intermediate host of A. (P.) longa, an agent of human heterophyiasis in Brazil, is the cochliopid snail Heleobia australis (new fir...

journal_title：Acta tropica

authors： Simões SB,Barbosa HS,Santos CP

更新日期：2010-03-01 00:00:00

abstract：:Erythrocyte survival was studied in 17 Thai patients (10 males, 7 females; aged 13-57 years) with severe falciparum malaria. To ensure radioisotopic labelling of cells before bone marrow recovery and survival analysis under near-steady state conditions, 51Cr labelling of autologous erythrocytes was performed at the ti...

journal_title：Acta tropica

authors： Looareesuwan S,Davis TM,Pukrittayakamee S,Supanaranond W,Desakorn V,Silamut K,Krishna S,Boonamrung S,White NJ

更新日期：1991-02-01 00:00:00

abstract：:Assessment of the efficacy of anthelminthic treatment in public health is a broad concept, which goes beyond parasitological methods and should be clearly defined according to several indicators of morbidity. Several factors may influence the efficacy of anthelminthic drugs. The quality of drug is an issue of great im...

journal_title：Acta tropica

authors： Albonico M

更新日期：2003-05-01 00:00:00