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https://www.readbyqxmd.com/read/29149256/structural-and-immunodiagnostic-characterization-of-synthetic-antigen-b-subunits-from-echinococcus-granulosus-and-their-evaluation-as-target-antigens-for-cyst-viability-assessment
#1
Daniela Pagnozzi, Francesca Tamarozzi, Anna Maria Roggio, Vittorio Tedde, Maria Filippa Addis, Salvatore Pisanu, Gabriella Masu, Cinzia Santucciu, Ambra Vola, Adriano Casulli, Giovanna Masala, Enrico Brunetti, Sergio Uzzau
Background: Several tools have been proposed for serodiagnosis of cystic echinococcosis (CE), but none appears promising for cyst viability assessment. Antigens with stage-specific diagnostic value have been described, but few studies with well-characterized antigens and human sera have been performed. Antigen B (AgB) proteoforms hold promise as markers of viability, due to their differential stage-related expression and immunoreactivity. Methods: Four AgB subunits (AgB1, AgB2, AgB3, AgB4) were synthesized and structurally characterized...
November 15, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29139018/vaccination-against-hydatidosis-molecular-cloning-and-optimal-expression-of-the-eg95nc-recombinant-antigen-in-escherichia-coli
#2
M Jazouli, M Lightowlers, C G Gauci, K Tadlaoui, A Belmlih, M M Ennaji, M Elharrak
Cystic echinococcosis (CE) is a widely distributed zoonosis that is highly endemic in the Mediterranean basin. The disease represents a serious public health threat and causes economic losses. The parasite life-cycle involves dogs and ruminants as definitive and intermediate hosts; humans are accidently infected, causing serious clinical issues. Vaccination of ruminants and dog treatments represent the most efficient measures to prevent parasite transmission. The recombinant protein vaccine, EG95, has been used successfully in sheep vaccine trials against CE in several countries...
November 14, 2017: Protein Journal
https://www.readbyqxmd.com/read/29123581/surgical-treatment-of-hepatic-echinococcus-granulosus
#3
Waldemar Patkowski, Maciej Krasnodębski, Michał Grąt, Łukasz Masior, Marek Krawczyk
Introduction: Infections caused by metacestode stage of the Echinococcus granulosus in humans result in disease named cystic echinococcosis. Aim: To present the outcomes of patients treated surgically for cystic echinococcosis of the liver. Material and methods: One hundred and nineteen patients treated in the period between 1989 and 2014 due to E. granulosus infection in the Department of General, Transplant, and Liver Surgery, Medical University of Warsaw were selected for this retrospective study...
2017: Przegla̜d Gastroenterologiczny
https://www.readbyqxmd.com/read/29121394/larval-echinococcus-multilocularis-infection-reduces-dextran-sulfate-sodium-dss-induced-colitis-in-mice-by-attenuating-th1-th17-mediated-immune-reactions
#4
Junhua Wang, Christine Goepfert, Norbert Mueller, Alessandra Piersigilli, Renyong Lin, Hao Wen, Dominique A Vuitton, Lucine Vuitton, Christoph Mueller, Bruno Gottstein
The tumor-like growth of larval Echinococcus multilocularis tissue (causing alveolar echinococcosis, AE) is directly linked to the nature/orientation of the periparasitic host immune-mediated processes. Parasite-mediated immune suppression is a hallmark triggering infection outcome in both chronic human and murine AE. So far, little is known about secondary systemic immune effects of this pathogen on other concomitant diseases, e.g. endogenous gut inflammation. We examined the influence of E. multilocularis infection on murine Dextran sodium sulfate (DSS)-induced colitis...
November 9, 2017: Immunology
https://www.readbyqxmd.com/read/29114488/seroprevalence-of-human-cystic-echinococcosis-from-north-india-2004-2015
#5
Kamran Zaman, Abhishek Mewara, Sunil Kumar, Kapil Goyal, Sumeeta Khurana, Praveen Tripathi, Rakesh Sehgal
Context: Cystic echinococcosis (CE) caused by Echinococcus granulosus is a disease of a significant burden in India. The World Health Organization recommends the use of hospital data for population surveillance to measure the prevalence of CE. Aim: The aim of this study was to estimate the seroprevalence of CE and to compare with previous prevalence rates to estimate the changing pattern in seroprevalence of CE. Materials and Methods: A retrospective analysis of laboratory data of 3929 clinically and/or radiologically suspected cases of CE was carried out for 12 years from 2004 to 2015 and compared to the previous data from 1984 to 2003...
July 2017: Tropical Parasitology
https://www.readbyqxmd.com/read/29114148/the-enzymes-and-electrolytes-profiles-in-hydatid-cyst-fluid-of-naturally-infected-iranian-domestic-ruminants
#6
Mohammad Yakhchali, Siamak Asri-Rezaie, Saeid Samimirad, Hadi Rezaie
Cystic echinoccoccosis is a zoonotic and prevalent disease which causes health problems and economic looses worldwide. The biochemical components of hydatid cyst fluid (HCF) have important role in metabolism and growth of unilocular hydatid cyst. The aim of the current study was to determine HCF level of enzymes and electrolytes profiles in naturally infected Iranian domestic ruminants. The livers and lungs infected with hydatid cysts were collected and HCF was aspirated from a total of 100 cysts obtained from livers (50 cysts) and lungs (50 cysts) of slaughtered domestic ruminants...
December 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/29110551/management-of-osseous-cystic-echinococcosis
#7
Begoña Monge-Maillo, Sandra Chamorro Tojeiro, Rogelio López-Vélez
Osseous cystic echinococcosis (CE) is one of the most complicated and devastating conditions caused by Echinococcus granulosus. Its management is difficult and there is scant literature about it. Areas covered: A literature review was performed to provide an update on its diagnosis, treatment and follow-up. Expert commentary: In most cases diagnosis of osseous CE can only be confirmed by surgery. Osseous CE should be managed by experienced physicians and addressed as a chronic disease with therapies must be aimed at controlling the disease and its sequels or complications, rather than with a curative intent...
November 7, 2017: Expert Review of Anti-infective Therapy
https://www.readbyqxmd.com/read/29109850/liver-cystic-echinococcosis-and-human-host-immune-and-autoimmune-follow-up-a-review
#8
REVIEW
Nikica M Grubor, Katica D Jovanova-Nesic, Yehuda Shoenfeld
Cystic echinococcosis (CE) is an infectious disease caused by the larvae of parasite Echinococcus granulosus (E. granulosus). To successfully establish an infection, parasite release some substances and molecules that can modulate host immune functions, stimulating a strong anti-inflammatory reaction to carry favor to host and to reserve self-survival in the host. The literature was reviewed using MEDLINE, and an open access search for immunology of hydatidosis was performed. Accumulating data from animal experiments and human studies provided us with exciting insights into the mechanisms involved that affect all parts of immunity...
October 28, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/29103387/genetic-characterization-of-echinococcus-granulosus-strains-isolated-from-humans-based-on-nad1-and-cox1-gene-analysis-in-isfahan-central-iran
#9
R Jafari, B Sanei, A Baradaran, A Spotin, B Bagherpour, H Yousofi Darani
Cystic echinococcosis (CE) is a medically important parasite-caused human disease. Humans may acquire the infection accidentally by ingestion of E. granulosus eggs. The parasite has a broad range of hosts and genotypes, which may affect its aetiological and biological characteristics. The present study aimed to determine the genetic characteristics of human isolates of E. granulosus in Isfahan, Iran. In this cross-sectional study, 50 surgically removed hydatid cysts were collected from hospitalized patients in Al-Zahra Hospital, Isfahan, Iran, over a period of 2 years (2015-2017)...
November 6, 2017: Journal of Helminthology
https://www.readbyqxmd.com/read/29100669/current-status-and-future-prospective-of-vaccine-development-against-echinococcus-granulosus
#10
REVIEW
Mohammad Mostafa Pourseif, Gholamali Moghaddam, Nazli Saeedi, Abolfazl Barzegari, Jaber Dehghani, Yadollah Omidi
Cystic echinococcosis (CE) is one of the most important zoonotic parasite diseases in human, livestock, and wildlife worldwide. Development of effective vaccines against CE appears to be the most promising strategy to control this infectious disease. Use of potential livestock and canine vaccines against the larval and adult stage of E. granulosus life cycle may be the key to the production of powerful vaccines. Some progress has been accomplished in the development of vaccines against hydatidosis using empirical approaches, while such immunotherapies often fail to induce adequate immune responses...
October 31, 2017: Biologicals: Journal of the International Association of Biological Standardization
https://www.readbyqxmd.com/read/29090421/alveolar-echinococcosis-in-germany-1992-2016-an-update-based-on-the-newly-established-national-ae-database
#11
Julian Schmidberger, Wolfgang Kratzer, Klaus Stark, Beate Grüner
PURPOSE: Alveolar echinococcosis is a rare disease caused by the parasite Echinococcus multilocularis. The newly established national database should enable us to determine high-risk areas and evaluate the endemic levels. METHODS: The national database was implemented using SQL Workbench. We used EpiInfo™ software to display the prevalence of disease. Moran's I geodata analysis according to cluster and high risk areas was performed with GeoDa™. SAS Version 9...
October 31, 2017: Infection
https://www.readbyqxmd.com/read/29089673/unusual-presentation-of-hydatid-cyst-ruptured-intraventricular-hydatid
#12
Sneha H Thakur, Priscilla C Joshi, A B Kelkar, N Seth
Echinococcosis in humans occurs as a result of infection by the larval stages of taenid cestodes of the genus Echinococcus. Most of the intracranial hydatids develop in brain parenchyma. Hydatid cyst within the cerebral ventricle is quite unusual. Literature review showed few case reports of childhood as well as adult intraventricular hydatid cysts. None of these cases presented for the first time with features of ruptured intraventricular cyst. This is a very rare presentation of a common disease. The possibility of infestation with E...
July 2017: Indian Journal of Radiology & Imaging
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
#13
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/29057765/development-of-lamp-assays-for-the-molecular-detection-of-taeniid-infection-in-canine-in-tibetan-rural-area
#14
Kai Feng, Wei Li, Zhihong Guo, Hong Duo, Yong Fu, Xiuying Shen, Cheng Tie, Rijie E, Changqin Xiao, Yanhong Luo, Guo Qi, Ma Ni, Qingmei Ma, Wataru Yamazaki, Ayako Yoshida, Yoichiro Horii, Kinpei Yagi, Nariaki Nonaka
For field-identification of taeniid cestodes in canine animals in Tibetan area, loop-mediated isothermal amplification (LAMP) assays for Echinococcus multilocularis, E. shiquicus, Taenia hydatigena, T. multiceps, T. pisiformis and T. crassiceps were developed and evaluated along with the reported assay for E. granulosus. The LAMP assays showed specific reaction with their corresponding target species DNA with the detection limit of 1 to 10 pg. Moreover, the assays for E. granulosus, E. multilocularis, T. hydatigena and T...
October 23, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/29049181/recurrent-multiple-organ-involvement-of-disseminated-alveolar-echinococcosis-in-3-patients-case-report
#15
Leilei Xu, Sikandaer Siyiti, Xinghua Song, Hao Wen, Liwen Ding, Akbar Yunus, Zheng Tian, Chong Wang, Jiangtao Chen
RATIONALE: Alveolar echinococcosis (AE) is a rare but highly malignant form of echinococcosis caused by Echinococcus multilocularis. There have been very few reports on multiple-organ AE, especially AE in bones. Here we report 3 rare cases of disseminated multiple-organ AE from western China and its neighboring areas. PATIENT CONCERNS: Patient 1 had back and left hip pain, headache, and weakness in left lower limb, often with minor epilepsy and fluctuation of blood pressure...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29037783/suppression-of-nemo-like-kinase-by-mir-71-in-echinococcus-multilocularis
#16
Xiaola Guo, Xueyong Zhang, Jing Yang, Xiaoliang Jin, Juntao Ding, Haitao Xiang, Mazhar Ayaz, Xuenong Luo, Yadong Zheng
Echinococcus multilocularis metacestodes are a causative pathogen for alveolar echinococcosis in human beings, and have been found to express miRNAs including emu-miR-71. miR-71 is evolutionarily conserved and highly expressed across platyhelminths, but little is known about its role. Here it was shown that emu-miR-71 was differentially expressed in protoscoleces and was unlikely to be expressed in neoblasts. The results of the luciferase assay indicated that emu-miR-71 was able to bind in vitro to the 3'-UTR of emu-nlk, encoding a key regulator of cell division, causing significant downregulation of luciferase activity (p < 0...
October 13, 2017: Experimental Parasitology
https://www.readbyqxmd.com/read/29034651/primary-orbital-hydatid-cyst-a-case-report
#17
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/29026775/hydatid-disease-a-rare-cause-of-fracture-nonunion
#18
Divya Aggarwal, Vaibhav Girotra, Neelam Wadhwa, Manish Chadha
Hydatid disease is an infrequent parasitic infestation caused by cestode, most commonly, Echinococcus granulosus. Bone involvement is distinctly uncommon. We would like to share our experience of a rare case of hydatid disease of femur in a 24-year-old male who presented with nonunion of subtrochanteric fracture. Histopathology showed typical lamellated wall and dagger-shaped hooklets. In view of its rarity, hydatid disease often remains an unsuspected infection of the bone.
January 2017: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/29024693/multilocus-sequence-analysis-of-echinococcus-granulosus-strains-isolated-from-humans-and-animals-in-iran
#19
Bahram Nikmanesh, Hossein Mirhendi, Shahram Mahmoudi, Mohammad Bagher Rokni
Echinococcus granulosus is now considered a complex consisting of at least four species and ten genotypes. Different molecular targets have been described for molecular characterization of E. granulosus; however, in almost all studies only one or two of the targets have been used, and only limited data is available on the utilization of multiple loci. Therefore, we investigated the genetic diversity among 64 strains isolated from 138 cyst specimens of human and animal isolates, using a set of nuclear and mitochondrial genes; i...
October 9, 2017: Experimental Parasitology
https://www.readbyqxmd.com/read/29024292/hepatic-cystic-echinococcosis-in-australia-an-update-on-diagnosis-and-management
#20
REVIEW
Ben Keong, Bruce Wilkie, Tom Sutherland, Adrian Fox
BACKGROUND: Echinococcosis is an uncommonly encountered zoonotic disease caused by the taeniid Echinococcus. The only endemic species in Australia, Echinococcus granulosus, forms cysts in the liver in 70% of cases. The aim of this study was to review the literature to provide an evidence-based narrative update on the diagnosis and management of hepatic cystic echinococcosis in Australia. METHODS: We reviewed the literature, utilizing multiple research databases and citation tracking...
October 11, 2017: ANZ Journal of Surgery
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