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Acta Tropica

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https://www.readbyqxmd.com/read/29689189/emerging-role-of-amiodarone-and-dronedarone-as-antiarrhythmic-drugs-in-treatment-of-leishmaniasis
#1
REVIEW
A Oryan, E Bemani, S Bahrami
Leishmaniasis is a group of human and animal diseases causing 20,000 to 40,000 annual deaths and its etiological agents belong to the Leishmania genus. The most current treatment against leishmaniasis is chemotherapy. Pentavalent antimonials such as glucantime and pentostam have been administrated as the first-line drugs in treatment of various forms of leishmaniasis. The second-line drugs such as amphotericin B, liposomal amphotericin B, miltefosine, pentamidine, azole drugs and paromomycin are used in resistant cases to pentavalent antimonials...
April 21, 2018: Acta Tropica
https://www.readbyqxmd.com/read/29684356/clinical-laboratorial-and-immunological-aspects-of-severe-malaria-in-children-from-guinea-bissau
#2
Janine Domingos, Anaxore Casimiro, Daniela Portugal-Calisto, Luís Varandas, Fátima Nogueira, Marcelo Sousa Silva
Malaria is a parasitic disease of which Plasmodium falciparum causes the most severe form of the disease. The immune response against Plasmodium spp. is complex and remains unclear. The present report aimed to better understand the humoral immune response in severe malaria and analyse new immunodominant antigen candidates as possible serological marker in severe malaria in children. This study included children aged 0-16 years from Guinea-Bissau with clinical signs of severe malaria. Serological and immunochemical characterisation of different anti-P...
April 20, 2018: Acta Tropica
https://www.readbyqxmd.com/read/29684355/morphology-of-the-terminal-abdominal-segments-in-females-of-triatominae-insecta-hemiptera-reduviidae
#3
Juliana Mourão Dos Santos Rodrigues, João Aristeu da Rosa, Felipe Ferraz Figueiredo Moreira, Cleber Galvão
Triatominae (Insecta: Hemiptera: Reduviidae) includes 151 extant species that are all potential vectors of Chagas disease. The relationships among these species have been recently studied based on molecular and cytogenetical approaches, and although the morphology of these insects is fairly described, wide comparative studies and cladistics analysis based on this feature are lacking. A comparative study of the terminal abdominal segments in females of 26 species of Triatominae was performed in order to evaluate their importance for the distinction of genera and species, and obtain characters to be used in cladistics analyses...
April 20, 2018: Acta Tropica
https://www.readbyqxmd.com/read/29684354/updated-distribution-and-experimental-life-history-traits-of-the-recently-invasive-snail-lissachatina-fulica-in-havana-cuba
#4
Antonio A Vázquez, Jorge Sánchez, Annia Alba, Elizabeth Martínez, Luis Alvarez-Lajonchere, Michel Matamoros, James B Coupland
The giant African snail Lissachatina fulica has been reported invading Cuba since 2014 and is now well established in areas of Havana and several nearby regions. This invasive species is of major concern to health authorities given its role as an important vector of parasites such as Angiostrongylus cantonensis, the causative agent of eosinophilic meningoencephalitis in humans. Here, we update the distribution within Cuba. We also report on our studies of experimental life-history traits to assess the population dynamics and potential for spread of this species in Cuba...
April 20, 2018: Acta Tropica
https://www.readbyqxmd.com/read/29660311/prevalence-and-genotypes-of-enterocytozoon-bieneusi-in-china
#5
REVIEW
Sha-Sha Wang, Rong-Jun Wang, Xian-Cheng Fan, Ting-Li Liu, Long-Xian Zhang, Guang-Hui Zhao
Enterocytozoon bieneusi has been considered as the most frequently diagnosed microsporidian species in humans and various animal species, accounting for more than 90% of the cases of human microsporidiosis. Spores of this pathogen excreted from both symptomatic and asymptomatic hosts into environment also would be an important source of waterborne outbreak of microsporidiosis. Due to limited effective drugs available but with too much side effects to mammals (eg. toxic), accurate characterization of E. bieneusi in both humans and animals is essential to implement effective control strategies to this pathogen...
April 13, 2018: Acta Tropica
https://www.readbyqxmd.com/read/29655785/characterization-of-28s-rrna-sequences-of-cestoda-parasite-electrotaenia-malapteruri-fritsch-1886-from-the-electric-catfish-malapterurus-electricus-siluriformes-malapteruridae
#6
Rewaida Abdel-Gaber, Reem Alajmi, Saleh Al Quraishy, Kareem Morsy, Khaled Al Rasheid
Proteocephalids are cestoda parasites that mostly infect freshwater fish. The present study was carried out to investigate the presence of proteocephalids infecting the electric catfish Malapterurus electricus from Lake Manzala, Kafr El-Sheikh Governorate, Egypt. Morphological characterization revealed the present parasite is a cestoda belonging to the genus Electrotaenia. Morphologically, the recovered worms were characterized by an elongated body measuring 100-127 (120 ± 2) mm long and 0.92-2.11 (2...
April 12, 2018: Acta Tropica
https://www.readbyqxmd.com/read/29654732/first-report-of-anaplasma-phagocytophilum-infection-in-holstein-cattle-in-the-republic-of-korea
#7
Du-Gyeong Han, Ji-Hyoung Ryu, Jeong-Byoung Chae, Dong-Woo Kim, Chan-Ho Kwon, Kyoung-Seong Choi
Global warming has increased the incidence and risk of tick-borne diseases in domestic animals and humans in the Republic of Korea (ROK). In this study, we investigated the prevalence of Anaplasma phagocytophilum in Holstein cattle (n = 214) in the ROK using specific PCR assays. A. phagocytophilum infection was detected in only two animals (0.93%, 2/214). Our findings showed that PCR assay using the 16S rRNA gene, but not groEL, was suitable for detection of A. phagocytophilum in cattle. Phylogenetic analysis based on the16S rRNA gene showed that A...
April 11, 2018: Acta Tropica
https://www.readbyqxmd.com/read/29653091/a-nation-wide-genetic-survey-revealed-a-complex-population-structure-of-bemisia-tabaci-in-pakistan
#8
Waqar Islam, Wenzhong Lin, Muhammad Qasim, Saif Ul Islam, Habib Ali, Muhammad Adnan, Muhammad Arif, Zhenguo Du, Zujian Wu
The whitefly, Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) is a cryptic species complex distributed worldwide. In Pakistan, B. tabaci poses a serious threat to agriculture production. To understand its diversity in Pakistan, a large-scale sampling was conducted from various locations of all four provinces of the country and Mitochondrial cytochrome oxidase I (mtCOI) gene sequencing was used to determine the whiteflies genetically. The study revealed the presence of five different cryptic species in Pakistan namely Asia II-1, Asia II-5, Asia II-7, Asia II-8 and MEAM-1, respectively...
April 10, 2018: Acta Tropica
https://www.readbyqxmd.com/read/29649426/centers-for-disease-control-type-light-traps-equipped-with-high-intensity-light-emitting-diodes-as-light-sources-for-monitoring-anopheles-mosquitoes
#9
Benedita Maria Costa-Neta, Abdias Ribeiro Lima-Neto, Apoliana Araújo da Silva, Jefferson Mesquita Brito, João Vitor Castro Aguiar, Islana Silva Ponte, Francinaldo Soares Silva
In this study the phototactic response of anopheline mosquitoes to different luminous intensity light-emitting diodes (LEDs) was investigated. Centers for Disease Control-type light traps were changed by replacement of the incandescent lamps by 5 mm round type green (520 nm) and blue (470 nm) LEDs of different luminous intensities: green-LED traps with luminous intensities of 10,000, 15,000 and 20,000 millicandela (mcd) and the blue-LED traps with luminous intensities of 4000, 12,000 and 15,000 mcd...
April 9, 2018: Acta Tropica
https://www.readbyqxmd.com/read/29626435/experimental-porcine-cysticercosis-using-infected-beetles-with-taenia-solium-eggs
#10
Luis A Gomez-Puerta, Hector H Garcia, Armando E Gonzalez
Beetles are intermediate hosts for human and animal parasites, and several beetle species have been shown to carry Taenia eggs. An experimental porcine cysticercosis infection model was developed using beetles (Ammophorus rubripes) infected with Taenia solium eggs and then using these beetles for oral pig challenge. A total of 18 three months-old Landrace pigs were divided in four groups. Pigs from groups 1, 2, and 3 (n = 6 pigs per group) were challenged with one, three, and six beetles infected with T...
April 4, 2018: Acta Tropica
https://www.readbyqxmd.com/read/29626434/socio-economic-burden-of-parasitic-infections-in-yaks-from-1984-2017-on-qinghai-tibetan-plateau-of-china-a-review
#11
REVIEW
Kun Li, Muhammad Shahzad, Hui Zhang, Xiong Jiang, Khalid Mehmood, Xiaodong Zhao, Jiakui Li
Yak is an important animal for the Tibetans at Qinghai-Tibetan Plateau of China. The burden of parasitic diseases has been a major threat to the health of yaks at this region presenting a considerable socio-economic losses and impact to yak production and local nomads. Keeping in view, we collected the published papers from 1984 to 2017 on major parasitic infections in yaks by electronic literature search from five databases including CNKI, Google, PubMed, Science Direct and Web of Science. The prevalence of Eimeria, Babesia, Theileria, Hypodermosis, Cystic echinococcosis, Alveolar echinococcosis, Toxoplasma gondii, Neospora caninum, Cryptosporidium, Giardia duodenalis, Enterocytozoon bieneusi, Toxocara vitulorum, and Fascioliasis infection in yaks was found to be 48...
April 4, 2018: Acta Tropica
https://www.readbyqxmd.com/read/29626433/plasmodium-falciparum-merozoite-protein-1-genetic-diversity-and-multiplicity-of-infection-in-isolates-from-congolese-children-consulting-in-a-pediatric-hospital-in-brazzaville
#12
Nerly Shirère Gampio Gueye, Francine Ntoumi, Christevy Vouvoungui, Simon Charles Kobawila, Michael N Kombo, Alain Mouanga, Julia Deibert, Felix Koukouikila-Koussounda
As in many sub-Saharan African countries, the burden of malaria has been reduced in the Republic of Congo as a result of massive deployment of insecticide treated nets and availability of artemisinin-combinations therapies (ACTs). High to moderate genetic diversity of msp-1 gene of Plasmodium falciparum (P. falciparum) has been reported from different parts of the world but limited data are available from Central Africa including the Republic of Congo. For this reason, the aim of study was to investigate the P...
April 4, 2018: Acta Tropica
https://www.readbyqxmd.com/read/29626432/newcastle-disease-virus-strain-af2240-as-an-oncolytic-virus-a-review
#13
REVIEW
Jeevanathan Kalyanasundram, Aini Hamid, Khatijah Yusoff, Suet Lin Chia
The discovery of tumour selective virus-mediated apoptosis marked the birth of an alternative cancer treatment in the form of oncolytic viruses. Even though, its oncolytic efficiency was demonstrated more than 50 years ago, safety concerns which resulted from mild to lethal side effects hampered the progress of oncolytic virus research. Since the classical oncolytic virus studies rely heavily on its natural oncolytic ability, virus manipulation was limited, thereby, restricted efforts to improve its safety...
April 4, 2018: Acta Tropica
https://www.readbyqxmd.com/read/29625092/artificial-blood-feeders-for-mosquito-and-ticks-where-from-where-to
#14
Donato Romano, Cesare Stefanini, Angelo Canale, Giovanni Benelli
Mosquito and tick feeding activity represent a key threat for humans, livestock, pets and wildlife worldwide. Rearing these vectors in laboratory conditions is extremely important to investigate basic facets of their biology, vector competence, new control strategies as well as mechanisms of pesticide resistance. However, the use of animals or humans to provide blood for hematophagous arthropods feeding pose a strict limit to these researches, due to the accidental transmission of diseases, ethical problems concerning animal welfare, as well as the expensive and time-consuming animals rearing...
April 3, 2018: Acta Tropica
https://www.readbyqxmd.com/read/29625091/what-makes-an-effective-chagas-disease-vector-factors-underlying-trypanosoma-cruzi-triatomine-interactions
#15
REVIEW
José A De Fuentes-Vicente, Ana E Gutiérrez-Cabrera, A Laura Flores-Villegas, Carl Lowenberger, Giovanni Benelli, Paz M Salazar-Schettino, Alex Córdoba-Aguilar
The Chagas disease is caused by the parasite Trypanosoma cruzi, which infect blood-feeding triatomine bugs to finally reach mammal hosts. Chagas disease is endemic in Latin America, and is ranked among the 13 neglected tropical diseases worldwide. Currently, an estimate of 7 million people is infected by T. cruzi, leading to about 22 000 deaths per year throughout the Americas. As occurs with other vectors, a major question towards control programs is what makes a susceptible bug. In this review, we focus on findings linked to insect gut structure and microbiota, immunity, genetics, blood sources, abiotic factors (with special reference to ambient temperature and altitude) to understand the interactions occurring between T...
April 3, 2018: Acta Tropica
https://www.readbyqxmd.com/read/29625090/dna-barcoding-of-five-japanese-encephalitis-mosquito-vectors-culex-fuscocephala-culex-gelidus-culex-tritaeniorhynchus-culex-pseudovishnui-and-culex-vishnui
#16
Pushparaj Karthika, Chithravel Vadivalagan, Durairaj Thirumurugan, Rangaswamy Ravi Kumar, Kadarkarai Murugan, Angelo Canale, Giovanni Benelli
Culex mosquitoes can act as vectors of several important diseases, including Japanese encephalitis, West Nile virus, St. Louis encephalitis and equine encephalitis. Besides the neurological sequel caused in humans, Japanese encephalitis can lead to abortion in sows and encephalitis in horses. Effective vector control and early diagnosis, along with continuous serosurveillance in animals are crucial to fight this arboviral disease. However, the success of vector control operations is linked with the fast and reliable identification of targeted species and knowledge about their biology and ecology...
April 3, 2018: Acta Tropica
https://www.readbyqxmd.com/read/29621535/coxiella-burnetii-in-dairy-goats-with-a-history-of-reproductive-disorders-in-brazil
#17
Júnior Mário Baltazar de Oliveira, Tatiana Rozental, Elba Regina Sampaio de Lemos, Danielle Forneas, Luis Miguel Ortega-Mora, Wagnner José Nascimento Porto, Andréa Alice da Fonseca Oliveira, Rinaldo Aparecido Mota
Coxiella burnetii, an intracellular bacterium, is the agent of Q fever/coxiellosis, a worldwide zoonosis. Dairy animals are the primary reservoirs of C. burnetii, and although the disease is usually asymptomatic or subclinical, abortion is a serious clinical outcome among small ruminants. This study was conducted to investigate C. burnetii seroprevalence and infection In a flock of dairy goats in Brazil. Serum samples from 312 goats collected from a dairy goat flock with a history of reproductive failure were tested by a commercial ELISA (LSIVet Ruminant Q Fever - Serum/Milk; Thermo Fisher Scientific, Lissieu, France) for anti-C...
April 3, 2018: Acta Tropica
https://www.readbyqxmd.com/read/29621537/a-fine-scale-eco-epidemiological-study-on-endemic-visceral-leishmaniasis-in-north-ethiopian-villages
#18
Oscar David Kirstein, Laura Skrip, Ibrahim Abassi, Tamara Iungman, Ben Zion Horwitz, Araya Gebresilassie, Tatiana Spitzova, Yoni Waitz, Teshome Gebre-Michael, Petr Volf, Asrat Hailu, Alon Warburg
Visceral Leishmaniasis (VL) is a disseminated protozoan infection caused by Leishmania donovani that affects almost half a million people annually. In Northern Ethiopia, VL is common in migrant agricultural laborers returning from the lowland sesame fields of Metema and Humera. Recent VL foci have emerged in resident rural populations near the town. In the current study, we evaluate multilevel entomological, epidemiological and ecological factors associated with infection and disease through fine-scale eco-epidemiological analyses in three villages...
April 2, 2018: Acta Tropica
https://www.readbyqxmd.com/read/29621536/emergence-of-a-genotype-i-variant-of-avian-infectious-bronchitis-virus-from-northern-part-of-india
#19
Subhash J Jakhesara, Barnali Nath, J K Pal, Chaitanya G Joshi, Sachin Kumar
Infectious bronchitis virus (IBV) is one of the foremost causes of a persistent economic burden to poultry industries worldwide. IBV belongs to the genus Gammacoronavirus within the family Coronaviridae. The IBV infection leads to respiratory and nephrogenic symptoms in broiler chickens. In addition, its infection leads to reduced fertility and hatchability in layer birds. We determined the first complete genome sequence of a variant IBV from an outbreak in Haryana state of the Northern part of India using next generation sequencing...
April 2, 2018: Acta Tropica
https://www.readbyqxmd.com/read/29621534/diversity-of-dengue-virus-3-genotype-iii-in-jeddah-saudi-arabia
#20
Anwar M Hashem, Sayed S Sohrab, Sherif A El-Kafrawy, Adly M M Abd-Alla, Saeid Abo El-Ela, Turki S Abujamel, Ahmed M Hassan, Suha A Farraj, Noura A Othman, Remi N Charrel, Esam I Azhar
BACKGROUND: Dengue is the most important arboviral disease in tropical and subtropical countries. Dispersal of the vector and an increase in migratory flow between countries have led to large epidemics and severe clinical outcomes. Over the past 20 years, dengue epidemics have become more wide-spread and frequent. Previous studies have shown that dengue is endemic in Jeddah, Makkah and Al-Madinah in western Saudi Arabia as well as in Jazan region in the southern part of the country. The four serotypes of dengue virus (DENV) have been reported from western Saudi Arabia...
April 2, 2018: Acta Tropica
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