abstract：:A PCR-RFLP based method was developed to diagnose and identify the Leishmania species causing American cutaneous leishmaniasis (ACL) in a panel of clinical samples obtained from an endemic region of Brazil. The comparison of the results obtained by PCR-RFLP and PCR-hybridization in the identification of Leishmania (Vi...

journal_title：Acta tropica

authors： Volpini AC,Passos VM,Oliveira GC,Romanha AJ

更新日期：2004-03-01 00:00:00

abstract：:The present work examines the thermal preference of adult Rhodnius prolixus along a temperature gradient. The mean preferred temperature differed slightly between sexes: 25.0 degrees C for males versus 25.4 degrees C for females. This preference was not constant, but varied daily by about 0.2 degrees C for both sexes,...

journal_title：Acta tropica

authors： Schilman PE,Lazzari CR

更新日期：2004-03-01 00:00:00

abstract：:2,3-bis(Trifluoromethyl)-4-(3-hydroxyquinuclidinylquinoline) or MC(1) is a new synthetic compound with potent antimalarial activity in vitro and in vivo studies. The IC(50) values of MC(1) and chloroquine in in vitro culture of Plasmodium falciparum are 7.0x10(-8) and 6.06x10(-7)M, respectively. In an in vivo study us...

journal_title：Acta tropica

authors： Satayavivad J,Watcharasit P,Khamkong P,Tuntawiroon J,Pavaro C,Ruchirawat S

更新日期：2004-02-01 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：:We focused on the epidemiology of alveolar echinococcosis especially in Japan and discussed control measures to prevent an epidemic. No effective control measures against alveolar echinococcosis have been identified thus far because it is difficult to fully understand the ecology of the parasite and its hosts, i.e. th...

journal_title：Acta tropica

authors： Konno K,Oku Y,Tamashiro H

更新日期：2003-12-01 00:00:00

abstract：:Personal protection measures have become an important tool against mosquito nuisance. The severity of mosquito nuisance and the type and costs of personal protection measures in the Pondicherry region in South India have been investigated, using a structured questionnaire. The number of respondents sampled was 300 in ...

journal_title：Acta tropica

authors： Snehalatha KS,Ramaiah KD,Vijay Kumar KN,Das PK

更新日期：2003-09-01 00:00:00

abstract：:Albendazole, anthelmintic benzimidazole (BZ) is being co-administered with an antifilarial drug, diethylcarbamazine (DEC), in lymphatic filariasis (LF) elimination programmes. But this drug is known to result in the faster development of drug resistance and hence it is necessary to monitor drug sensitivity among popul...

journal_title：Acta tropica

authors： Hoti SL,Subramaniyan K,Das PK

更新日期：2003-09-01 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：:The antidiarrhoeal effects of the methanol extract of Zizyphus spina-christi stem bark were evaluated in laboratory rodents. Studies on castor oil induced diarrhoea, intraluminal fluid accumulation, and gastrointestinal transit time were carried out. Results obtained revealed that the extract caused a dose dependent p...

journal_title：Acta tropica

authors： Adzu B,Amos S,Amizan MB,Gamaniel K

更新日期：2003-07-01 00:00:00

abstract：:The diagnosis of neurocysticercosis was greatly improved by the introduction of computed tomography (CT) and magnetic resonance imaging (MRI). These techniques demonstrate the number and topography of lesions, their stage of involution, and the degree of inflammatory reaction of the host against the parasites and have...

journal_title：Acta tropica

authors： García HH,Del Brutto OH

更新日期：2003-06-01 00:00:00

abstract：:One of the leading brain disorders in developing countries is represented by epilepsy. It is estimated that 80% of people suffering from epilepsy around the world, reside in developing world such as Africa. Many perinatal and postnatal causes are brain-stressers in people suffering from malnutrition and low economical...

journal_title：Acta tropica

authors： Diop AG,de Boer HM,Mandlhate C,Prilipko L,Meinardi H

更新日期：2003-06-01 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

abstract：:A study using a structured questionnaire was conducted in Busia District, Western Kenya and Kwale District, Coastal Kenya to obtain qualitative and quantitative information from 256 cattle owners about their production systems, their perceptions of the diseases encountered in their cattle, the drugs used, and other me...

journal_title：Acta tropica

authors： Machila N,Wanyangu SW,McDermott J,Welburn SC,Maudlin I,Eisler MC

更新日期：2003-04-01 00:00:00

abstract：:A simple, rapid and inexpensive method for the extraction of DNA from filarial vector, Culex quinquefasciatus, useful in Ssp I PCR assay for xenomonitoring of infection with Wuchereria bancrofti is presented. The DNA extracted by this method was found suitable for PCR detection of W. bancrofti infection in pools of 10...

journal_title：Acta tropica

authors： Vasuki V,Hoti SL,Sadanandane C,Jambulingam P

更新日期：2003-04-01 00:00:00

abstract：:A schistosomiasis control project was undertaken from 1994 to 1998 in Guruve District, Zimbabwe, based on the active involvement of local communities in the growing and application of the molluscicidal plant Phytolacca dodecandra as a supplement to other control measures such as chemotherapy and health education. The ...

journal_title：Acta tropica

authors： Ndekha A,Hansen EH,Mølgaard P,Woelk G,Furu P

更新日期：2003-03-01 00:00:00

abstract：:A vaccine to protect sheep, goats, and bovines against hydatid disease caused by the cysts of Echinococcus granulosus is prepared as a recombinant fusion protein expressed in Escherichia coli. Solubilised inclusion bodies are injected, together with Quil A, subcutaneously on two occasions 1 month or more apart, and in...

journal_title：Acta tropica

authors： Heath DD,Jensen O,Lightowlers MW

更新日期：2003-02-01 00:00:00

abstract：:The present study was undertaken to characterize more thoroughly aetiological agent of cystic echinococcosis that still represents a health problem in the Slovak Republic. Sequencing of the mitochondrial ND1 gene, Random Amplified Polymorphic DNA (RAPD) analysis and isoenzyme analyses were used to characterize genetic...

journal_title：Acta tropica

authors： Turceková L,Snábel V,D'Amelio S,Busi M,Dubinský P

更新日期：2003-02-01 00:00:00

abstract：:The infection rates and development of Leishmania chagasi in two sandfly species, Lutzomyia evansi and Lutzomyia longipalpis, were evaluated under natural and experimental conditions. Natural infection rates of Lu. evansi in San Andrés de Sotavento (Colombia) and Montañas de Peraza (Venezuela) (0.05 and 0.2%, respecti...

journal_title：Acta tropica

authors： Montoya-Lerma J,Cadena H,Oviedo M,Ready PD,Barazarte R,Travi BL,Lane RP

更新日期：2003-01-01 00:00:00

abstract：:Phenanthridine trypanocides (isometamidium chloride hydrochloride, ISM, and Ethidium bromide, EBr) have been widely used to treat African trypanosomiasis in livestock for more than 40 years. Their main action is to inhibit nucleic acid synthesis in trypanosome parasites, by intercalation between the DNA base pairs. Th...

journal_title：Acta tropica

authors： Boibessot I,Turner CM,Watson DG,Goldie E,Connel G,McIntosh A,Grant MH,Skellern GG

更新日期：2002-12-01 00:00:00

abstract：:Cellular immune responses to specific Schistosoma japonicum recombinant and native antigens were investigated in a defined study population of 155 individuals in the Philippines, where data collected from a 3-year observation of exposure, infection and reinfection pattern were used to categorically classify putative '...

journal_title：Acta tropica

authors： Acosta LP,Waine G,Aligui GD,Tiu WU,Olveda RM,McManus DP

更新日期：2002-11-01 00:00:00

abstract：:Mectizan (Ivermectin) has been proved to be central to the control of onchoceriasis through self-sustainable community-based treatment. The possibility of parasitological unresponsiveness to this treatment or selection for drug resistance has emerged recently in many occasions. The reason for the reduced ability of Me...

journal_title：Acta tropica

authors： Ali MM,Mukhtar MM,Baraka OZ,Homeida MM,Kheir MM,Mackenzie CD

更新日期：2002-10-01 00:00:00

abstract：:The Fast Agglutination Screening Test (FAST) was employed on sera obtained from an endemic area of visceral leishmaniasis in southwestern Ethiopia, in February 2000. The study involved (i) active case detection among 1575 residents of two villages; and (ii) passive case detection in an outpatient clinic. Sera of 1587 ...

journal_title：Acta tropica

authors： Hailu A,Kroon CC,Schoone GJ,Berhe N,Schallig HD,Kager PA

更新日期：2002-08-01 00:00:00

abstract：:The Kato-Katz technique is the method routinely used for diagnosing human schistosomiasis mansoni by estimating faecal egg burdens. To improve the sensitivity of faecal diagnosis, we established and validated a novel separation technique based upon the greater density of viable schistosome eggs relative to faecal mate...

journal_title：Acta tropica

authors： Eberl M,al-Sherbiny M,Hagan P,Ljubojevic S,Thomas AW,Wilson RA

更新日期：2002-08-01 00:00:00

abstract：:Opisthorchis viverrini infection is associated with several hepatobiliary diseases, but few reports have described extrahepatic lesions in opisthorchiasis. We therefore sequentially investigated histological changes of the gall bladder and extrahepatic bile duct in hamsters infected with 25 (group 1), 50 (group 2) and...

journal_title：Acta tropica

authors： Sripa B,Kaewkes S

更新日期：2002-07-01 00:00:00

abstract：:Two decades ago, a group of Chinese scientists discovered the antischistosomal properties of artemether, a derivative of the antimalarial drug artemisinin. However, it was only recently that the importance of this finding was recognized internationally, following a collaborative effort between Chinese, European and Af...

journal_title：Acta tropica

authors： Xiao S,Tanner M,N'Goran EK,Utzinger J,Chollet J,Bergquist R,Chen M,Zheng J

更新日期：2002-05-01 00:00:00

abstract：:A quantitative framework is presented for the site-specific characterization of schistosomiasis transmission with the object of developing local control strategies. Central to the framework is a worm-burden model using ordinary differential equations of disease transmission in risk groups defined by residence and occu...

journal_title：Acta tropica

authors： Liang S,Maszle D,Spear RC

更新日期：2002-05-01 00:00:00

abstract：:Eighty Leishmania isolates from patients who contracted cutaneous leishmaniasis in the Manaus region, Amazonas State, Brazil, were identified as Leishmania (Viannia) guyanensis by the electrophoretic profiles of six enzymes. None reacted with the species-specific monoclonal antibody B19. Two L. (V.) guyanensis subpopu...

journal_title：Acta tropica

authors： Romero GA,Ishikawa E,Cupolillo E,Toaldo CB,Guerra MV,Paes MG,Macêdo Vde O,Shaw JJ

更新日期：2002-04-01 00:00:00

abstract：:A study was conducted to determine the presence of hemagglutination inhibition (HI) and neutralization antibodies against Japanese encephalitis virus (JEV) in wild pigs on an offshore island in Singapore. Blood samples were collected from 28 wild pigs on the island. All the sera tested with HI assay and plaque reducti...

journal_title：Acta tropica

authors： See E,Tan HC,Wang D,Ooi EE,Lee MA

更新日期：2002-03-01 00:00:00

abstract：:Five years after a single dose treatment, prevalence, intensity and morbidity of schistosomiasis mansoni were evaluated in Agua Branca, a low endemic community in the South East Brazil (cure rate 94%). At community level, prevalence showed a decrease from 38.9 to 24.5% and the intensity of infection dropped from 119.5...

journal_title：Acta tropica

authors： Disch J,Katz N,Pereira e Silva Y,de Gouvêa Viana L,Andrade MO,Rabello A

更新日期：2002-02-01 00:00:00

abstract：:The present study is the first to investigate Plasmodium falciparum merozoite surface protein 1 (MSP1) allele-specific humoral responses in residents of central Africa. In endemic areas, acquired immune responses to malaria are assumed to reflect the need to be infected with a large number of antigenically diverse par...

journal_title：Acta tropica

authors： Ekala MT,Jouin H,Lekoulou F,Issifou S,Mercereau-Puijalon O,Ntoumi F

更新日期：2002-01-01 00:00:00

abstract：:A survey of 100 rural households in a village in the Chaco region of Bolivia revealed a serious problem of Taenia solium cysticercosis, with a seroprevalence of 99/447 (22%) in humans and 102/273 (37%) in pigs. Risk factors for humans were being in older age groups, absence of sanitary facilities, poor formal educatio...

journal_title：Acta tropica

authors： Carrique-Mas J,Iihoshi N,Widdowson MA,Roca Y,Morales G,Quiroga J,Cejas F,Caihuara M,Ibarra R,Edelsten M

更新日期：2001-12-21 00:00:00

abstract：:Since 1988, the Sultanate of Oman has experienced three outbreaks of paralytic poliomyelitis. The last outbreak occurred in December 1993 and involved two children aged 10 months and 4 1/2 years. The children had received five and four doses, respectively, of trivalent oral polio vaccine (OPV) and lived in the same vi...

journal_title：Acta tropica

authors： Al-Dhahry SH,Koul RL,Al-Busaidy SM,Al-Awaidy ST,Al-Khusaiby SM,Suleman AJ

更新日期：2001-10-22 00:00:00

abstract：:Bay 44-4400 was used as a spot on formulation and administered in single doses of 25 and 100 mg/kg to Acanthocheilonema viteae, Brugia malayi, and Litomosoides sigmodontis infected Mastomys coucha on various dates during prepatency, aiming to affect third stage larvae, fourth stage larvae or preadult worms. Microfilar...

journal_title：Acta tropica

authors： Zahner H,Taubert A,Harder A,von Samson-Himmelstjerna G

更新日期：2001-09-01 00:00:00

abstract：:The London School of Tropical Medicine, and indeed the 'new' discipline of tropical medicine, originated in 1899 at the Albert Dock Hospital - situated in London's east-end. The founder of the discipline was Patrick Manson - with a great deal of political assistance from the British Secretary of State for the Colonies...

journal_title：Acta tropica

authors： Cook GC,Webb AJ

更新日期：2001-06-22 00:00:00

abstract：:It has been observed that Triatoma infestans and Rhodnius prolixus females stridulate to reject copulatory attempts performed by males. In addition, triatomines stridulate when disturbed or handled. In the present study, the temporal structure and frequency spectra of vibrational signals produced by mechanically distu...

journal_title：Acta tropica

authors： Schilman PE,Lazzari CR,Manrique G

更新日期：2001-05-25 00:00:00

abstract：:The last 40 years, beginning with the first TIROS (television infrared observational satellite) launched on 1 April 1960, has seen an explosion of earth environmental satellite systems and their capabilities. They can provide measurements in globe encircling arrays or small select areas, with increasing resolutions, a...

journal_title：Acta tropica

authors： Huh OK,Malone JB

更新日期：2001-04-27 00:00:00

abstract：:By using the criteria that define emerging infectious diseases (EIDs) of humans, we can identify a similar group of EIDs in wildlife. In the current review we highlight an important series of wildlife EIDs: amphibian chytridiomycosis; diseases of marine invertebrates and vertebrates and two recently-emerged viral zoon...

journal_title：Acta tropica

authors： Daszak P,Cunningham AA,Hyatt AD

更新日期：2001-02-23 00:00:00

abstract：:Alpha-amylase and alpha-glucosidase activities were found in homogenates of young, unfed male and female Phlebotomus papatasi and in gut and salivary gland preparations. A significant increase in both enzyme activities in females and of alpha-amylase in males was recorded for flies that had fed overnight on a plant (C...

journal_title：Acta tropica

authors： Jacobson RL,Schlein Y

更新日期：2001-01-15 00:00:00

abstract：:The development and persistence of antibodies to Orientia tsutsugamushi in Rattus rattus and laboratory mice following infection from the bite of naturally infected Leptotrombidium deliense is reported. Antibodies in R. rattus were first detected using an indirect immunoperoxidase method 2 weeks after attachment of an...

journal_title：Acta tropica

authors： Frances SP,Watcharapichat P,Phulsuksombati D

更新日期：2000-12-01 00:00:00

abstract：:The trypanocidal activity of two commercially available isometamidium-based products, Samorin (Merial, USA) and Veridium (Sanofi Santé Nutrition Animale, France), used at a dose rate of 0.5 mg kg(-1) bodyweight, was compared in a field trial involving groups of approximately 30 zebu cattle in a trypanosomosis endemic ...

journal_title：Acta tropica

authors： Stevenson P,Okech G,Mwendia C,Sones KR

更新日期：2000-11-02 00:00:00