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https://www.readbyqxmd.com/read/29113596/differences-between-populations-in-host-manipulation-by-the-tapeworm-schistocephalus-solidus-is-there-local-adaptation
#1
Nina Hafer
Host manipulation whereby a parasite increases its transmission to a subsequent host by altering the behaviour of its current host is very far spread. It also occurs in host-parasite systems that are widely distributed. This offers the potential for local adaptation. The tapeworm Schistocephalus solidus modifies its first intermediate copepod host's predation susceptibility to suit its own needs by reducing its activity before it becomes infective and increasing it thereafter. To investigate potential differences in host manipulation between different populations and test for potential local adaptation with regard to host manipulation, I experimentally infected hosts from two distinct populations with parasites from either population in a fully crossed design...
November 8, 2017: Parasitology
https://www.readbyqxmd.com/read/29103267/intestinal-parasitic-infections-and-environmental-water-contamination-in-a-rural-village-of-northern-lao-pdr
#2
Alexis Ribas, Chloé Jollivet, Serge Morand, Boupha Thongmalayvong, Silaphet Somphavong, Chern-Chiang Siew, Pei-Jun Ting, Saipin Suputtamongkol, Viengsaene Saensombath, Surapol Sanguankiat, Boon-Huan Tan, Phimpha Paboriboune, Kongsap Akkhavong, Kittipong Chaisiri
A field survey studying intestinal parasites in humans and microbial pathogen contamination at environment was performed in a Laotian rural village to identify potential risks for disease outbreaks. A parasitological investigation was conducted in Ban Lak Sip village, Luang Prabang, Lao PDR involving fecal samples from 305 inhabitants as well as water samples taken from 3 sites of the local stream. Water analysis indicated the presence of several enteric pathogens, i.e., Aeromonas spp., Vibrio spp., E. coli H7, E...
October 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/29077073/the-biology-and-ecology-of-cat-fleas-and-advancements-in-their-pest-management-a-review
#3
REVIEW
Michael K Rust
The cat flea Ctenocephalides felis felis (Bouché) is the most important ectoparasite of domestic cats and dogs worldwide. It has been two decades since the last comprehensive review concerning the biology and ecology of C. f. felis and its management. Since then there have been major advances in our understanding of the diseases associated with C. f. felis and their implications for humans and their pets. Two rickettsial diseases, flea-borne spotted fever and murine typhus, have been identified in domestic animal populations and cat fleas...
October 27, 2017: Insects
https://www.readbyqxmd.com/read/29075480/control-of-nematodirus-spp-infection-by-sheep-flock-owners-in-northern-ireland
#4
Connor McMahon, Hillary W J Edgar, Jason P Barley, Robert E B Hanna, Gerard P Brennan, Ian Fairweather
BACKGROUND: To address a lack of information on the control of ovine helminth parasites in Northern Ireland (NI), a number of research projects have been undertaken, dealing with gastrointestinal nematodes, tapeworms and liver fluke. This investigation concerns Nematodirus and concentrates on three aspects of disease: farm management strategies for its control, derived from the results of a Questionnaire; the efficacy of treatment used by farmers, as determined by a coprological survey; and the hatching requirements of Nematodirus eggs, that is, whether prolonged chilling is a pre-requisite for hatching...
2017: Irish Veterinary Journal
https://www.readbyqxmd.com/read/29064448/production-and-use-of-hymenolepis-diminuta-cysticercoids-as-anti-inflammatory-therapeutics
#5
Kendra Smyth, Claire Morton, Amanda Mathew, Sahil Karuturi, Cliff Haley, Min Zhang, Zoie E Holzknecht, Chelsea Swanson, Shu S Lin, William Parker
Helminthic therapy has shown considerable promise as a means of alleviating some inflammatory diseases that have proven resistant to pharmaceutical intervention. However, research in the field has been limited by a lack of availability to clinician scientists of a helminth that is relatively benign, non-communicable, affordable, and effectively treats disease. Previous socio-medical studies have found that some individuals self-treating with helminths to alleviate various diseases are using the rat tapeworm (cysticercoid developmental stage of Hymenolepis diminuta; HDC)...
October 24, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/29061197/in-vivo-evaluation-of-the-efficacy-of-sophora-moorcroftiana-alkaloids-in-combination-with-bacillus-calmette-gu%C3%A3-rin-bcg-treatment-for-cystic-echinococcosis-in-mice
#6
G Zhang, J Wang, Y Luo, M Yuan, Q Gao, H Gao, X Song, Y Shi, K Dong, X Ma
Human cystic echinococcosis is a widespread, chronic, endemic, helminthic zoonosis caused by larval tapeworms of the species Echinococcus granulosus. At present, there is no rational and effective therapy for patients with echinococcosis. The present study evaluated whether the combination of alkaloids from Sophora moorcroftiana seeds (SMSa2) and Bacillus Calmette-Guérin (BCG) was effective in the treatment of experimental echinococcosis. After 20 weeks of secondary infection with protoscoleces, mice were randomly allocated to five groups and treated for 6 weeks by daily intragastric administration of albendazole (ABZ, 100 mg/kg), SMSa2 (100 mg/kg), BCG (abdominal subcutaneous injection at 5 × 106 CFU), SMSa2 + BCG (100 mg/kg SMSa2 and 5 × 106 CFU BCG) or normal saline (untreated group), respectively...
October 24, 2017: Journal of Helminthology
https://www.readbyqxmd.com/read/29055271/neurocysticercosis-as-an-infectious-acquired-epilepsy-worldwide
#7
REVIEW
Doodipala Samba Reddy, Randy Volkmer
Aside from brain injury and genetic causes, there is emerging information on brain infection and inflammation as a common cause of epilepsy. Neurocysticercosis (NCC), the most common cause of epilepsy worldwide, is caused by brain cysts from the Taenia solium tapeworm. In this article, we provide a critical analysis of current and emerging information on the relationship between NCC infection and epilepsy occurrence. We searched PubMed and other databases for reports on the prevalence of NCC and incidence of epilepsy in certain regions worldwide...
November 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/29052103/patterns-of-specificity-and-diversity-in-species-of-paraorygmatobothrium-ruhnke-1994-cestoda-phyllobothriidae-in-moreton-bay-queensland-australia-with-the-description-of-four-new-species
#8
Scott C Cutmore, Michael B Bennett, Terrence L Miller, Thomas H Cribb
A survey of tapeworms of galeomorph sharks from Moreton Bay (Queensland, Australia) identified a complex of species of Paraorygmatobothrium Ruhnke, 1994 infecting 11 carcharhiniform and two orectolobiform species. Combined morphological and multi-locus molecular analyses (based on the 28S nuclear ribosomal RNA and partial mitochondrial NADH dehydrogenase subunit 1 genes) revealed the presence of 12 species of Paraorygmatobothrium; four species (Paraorygmatobothrium christopheri n. sp., P. harti n. sp., P. sinclairtaylori n...
November 2017: Systematic Parasitology
https://www.readbyqxmd.com/read/29034651/primary-orbital-hydatid-cyst-a-case-report
#9
Masoud Fallahi Motlagh, Hamid Janghi Aghdam, Behzad Fallahi Motlagh
Hydatid cyst is a rare parasitic infection that involved all organs. It caused by the larval stage of Echinococcus tapeworms. Hydatid cyst of the head and neck is a very rare condition, even in areas where Echinococcus infestation is endemic. Orbital hydatid cyst is extremely rare and accounts for less than 1% of all hydatid cysts. Herein a 24-year-old man with primary orbital hydatid cyst is introduced. He complained from proptosis and diplopia. MRI images revealed a lesion with low signal intensity on T1-weighted images and high signal intensity on T2-weighted images, which displaced the optic nerve inferiorly and the globe inferolateral...
August 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/29017468/case-report-the-first-case-of-human-infection-by-adult-of-spirometra-erinaceieuropaei-in-vietnam
#10
Anh Tran Le, Le-Quyen Thi Do, Huong-Binh Thi Nguyen, Hong-Ngoc Thi Nguyen, Anh Ngoc Do
BACKGROUND: Tapeworms of the genus Spirometra include species whose larval stages can infect humans, causing a disease called sparganosis. Cases of human infection with adult worms are very rare and have been reported in Korea and China. Here we report the first case of human infection with an adult of Spirometra erinaceieuropaei in Vietnam. CASE PRESENTATION: A 23-year-old male was admitted to 103 Military Hospital, Hanoi, Vietnam with fever, weight loss and epigastric discomfort...
October 10, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28977397/pulmonary-cyst-embolism-a-rare-complication-of-hydatidosis
#11
Eleonore Ravis, Alexis Theron, Bernard Lecomte, Vlad Gariboldi
Hydatid disease is an endemic parasitosis that results from the ingestion of echinococcosis tapeworm eggs. This condition leads to the formation of cysts, mainly in the liver and lungs, and causes life-threatening complications. Cardiac involvement represents only 0.5-2% of the localizations. We report a rare case of a pulmonary cyst embolism that required emergency surgical intervention.
August 1, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28975403/cystic-echinococcosis-in-poland-genetic-variability-and-the-first-record-of-echinococcus-granulosus-sensu-stricto-g1-genotype-in-the-country
#12
Rusłan Sałamatin, Jerzy Kowal, Paweł Nosal, Sławomir Kornaś, Danuta Cielecka, Dawid Jańczak, Waldemar Patkowski, Jakub Gawor, Vadim Kornyushin, Elzbieta Golab, Viliam Šnábel
Cystic echinococcosis is one of the most important zoonotic diseases affecting humans and livestock worldwide, and is endemic in Poland. A set of six isolates on larval stages of Echinococcus granulosus sensu lato tapeworms collected from three humans, two pigs and one sheep from Polish foci of CE was examined by DNA sequencing of two mitochondrial genes (cox1, rrnS). The results demonstrated the presence of E. canadensis and E. granulosus sensu stricto in the investigated hydatid cysts. The former species was found in all five isolates from pigs and humans derived from central Poland...
November 2017: Parasitology Research
https://www.readbyqxmd.com/read/28971798/cloning-and-characterization-of-an-echinococcus-granulosus-ecdysteroid-hormone-nuclear-receptor-hr3-like-gene
#13
Mei Yang, Jun Li, Jun Wu, Hui Wang, Baoping Guo, Chuanchuan Wu, Xi Shou, Ning Yang, Zhuangzhi Zhang, Donald P McManus, Fuchun Zhang, Wenbao Zhang
Cystic echinococcosis is an important parasitic zoonosis caused by the dog tapeworm Echinococcus granulosus. Little is known about adult worm development at the molecular level. Transcription analysis showed that the E. granulosus hormone receptor 3-like (EgHR3) gene was expressed in protoscoleces and adult worms, indicating its role in early adult development. In this study, we cloned and characterized EgHR3 showing that its cDNA contains an open reading frame (ORF) of 1890 bp encoding a 629 amino acid protein, which has a DNA-binding domain (DBD) and a ligand-binding domain (LBD)...
2017: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28969840/experimental-cystic-echinococcosis-therapy-in-vitro-and-in-vivo-combined-5-fluorouracil-albendazole-treatment
#14
Patricia E Pensel, Natalia Elissondo, Guillermo Gambino, Gabriela Ullio Gamboa, J P Benoit, María C Elissondo
Human cystic echinococcosis is a zoonosis caused by the larval stage of the tapeworm Echinococcus granulosus sensu lato (s. l.). Although benzimidazole compounds such as albendazole (ABZ) and mebendazole have been the cornerstone of chemotherapy for the disease, there is often no complete recovery after treatment. Hence, new strategies are required to improve treatment of human cystic echinococcosis. The goals of the current study were as follows: (i) to evaluate the in vitro efficacy of the 5-fluorouracil (5-FU) and ABZ combination against E...
October 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28969827/pathogens-in-ectoparasites-from-free-ranging-animals-infection-with-rickettsia-asembonensis-in-ticks-and-a-potentially-new-species-of-dipylidium-in-fleas-and-lice
#15
Van Lun Low, Batah Kunalan Prakash, Tiong Kai Tan, Mohd Sofian-Azirun, Fasihah Hanani Khairul Anwar, Wei Yin Vinnie-Siow, Sazaly AbuBakar
Vector-borne infections are persistent public health threats worldwide. In recent years, a number of mosquito-borne viruses have emerged or re-emerged to cause major disease outbreaks. Other vector-borne pathogens, however, remain understudied and much neglected especially in the developing regions of the world including Southeast Asia. In this study, the brown dog tick Rhipicephalus sanguineus sensu lato, cat louse Felicola subrostratus, and cat fleas Ctenocephalides felis and Ctenocephalides orientis collected from free-ranging cats and dogs in Malaysia were molecularly screened for the presence of Bartonella and Rickettsia bacteria, and Dipylidium tapeworm...
October 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28953933/systematics-and-diversification-of-anindobothrium-marques-brooks-lasso-2001-eucestoda-rhinebothriidea
#16
Bruna Trevisan, Juliana F Primon, Fernando P L Marques
Tapeworms of the genus Anindobothrium Marques, Brooks & Lasso, 2001 are found in both marine and Neotropical freshwater stingrays of the family Potamotrygonidae. The patterns of host association within the genus support the most recent hypothesis about the history of diversification of potamotrygonids, which suggests that the ancestor of freshwater lineages of the Potamotrygonidae colonized South American river systems through marine incursion events. Despite the relevance of the genus Anindobothrium to understand the history of colonization and diversification of potamotrygonids, no additional efforts were done to better investigate the phylogenetic relationship of this taxon with other lineages of cestodes since its erection...
2017: PloS One
https://www.readbyqxmd.com/read/28951818/filtering-out-parasites-sand-crabs-lepidopa-benedicti-are-infected-by-more-parasites-than-sympatric-mole-crabs-emerita-benedicti
#17
Zen Faulkes
Two digging decapod crustaceans, the sand crab species Lepidopa benedicti and the mole crab species Emerita benedicti, both live in the swash zone of fine sand beaches. They were examined for two parasites that infect decapod crustaceans in the region, an unidentified nematode previously shown to infect L. benedicti, and cestode tapeworm larvae, Polypocephalus sp., previously shown to infect shrimp (Litopenaeus setiferus). Lepidopa benedicti were almost always infected with both parasite species, while E. benedicti were rarely infected with either parasite species...
2017: PeerJ
https://www.readbyqxmd.com/read/28945737/quantitative-multiplexed-proteomics-of-taenia-solium-cysts-obtained-from-the-skeletal-muscle-and-central-nervous-system-of-pigs
#18
José Navarrete-Perea, Marta Isasa, Joao A Paulo, Ricardo Corral-Corral, Jeanette Flores-Bautista, Beatriz Hernández-Téllez, Raúl J Bobes, Gladis Fragoso, Edda Sciutto, Xavier Soberón, Steven P Gygi, Juan P Laclette
In human and porcine cysticercosis caused by the tapeworm Taenia solium, the larval stage (cysts) can infest several tissues including the central nervous system (CNS) and the skeletal muscles (SM). The cyst's proteomics changes associated with the tissue localization in the host tissues have been poorly studied. Quantitative multiplexed proteomics has the power to evaluate global proteome changes in response to different conditions. Here, using a TMT-multiplexed strategy we identified and quantified over 4,200 proteins in cysts obtained from the SM and CNS of pigs, of which 891 were host proteins...
September 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28939794/horse-owners-reminded-to-tackle-tapeworms
#19
(no author information available yet)
No abstract text is available yet for this article.
September 21, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28932037/fine-needle-aspiration-cytology-of-cysticercosis-in-submandibular-gland
#20
Vaneet Kaur Sandhu, Upender Sharma, Navtej Singh, Geetika Goyal
Fine-needle aspiration cytology (FNAC) has emerged as simple, minimally invasive, low-cost, outpatient diagnostic modality for the evaluation of nodules caused by parasites. Cysticercosis is caused by larval stage of Taenia solium, pork tapeworm. It is endemic in Southeast Asia, Latin America and South Africa. We report a case of cysticercosis in a 25-year-old male who presented with painless swelling of submandibular gland which was diagnosed on FNAC. The patient was recommended antihelminthic therapy which resulted in complete resolution of the swelling...
May 2017: Journal of Oral and Maxillofacial Pathology: JOMFP
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