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Braz J Biol 2022 10;84:e258626. Epub 2022 Jun 10.

National Health Commission of People's Republic of China, Key Laboratory of Parasite and Vector Biology, Shanghai, China.

Ligula intestinalis is a cestode parasite that affects freshwater fish in different countries of the world. The current study aims to reveal the phylogenetic, genetic and haplotype diversity of mt-CO1 gene sequences sent to the NCBI database from different countries by using in-silico analysis. The 105 mt-CO1 (371 bp) gene sequences of L. Read More

Parasit Vectors 2022 Jun 13;15(1):204. Epub 2022 Jun 13.

Guangdong Laboratory for Lingnan Modern Agriculture, Center for Emerging and Zoonotic Diseases, College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China.

Background: Raillietina species belong to the family Davaineidae, which parasitizes in a wide variety of mammals and birds, causing stunted growth, lethargy, emaciation, and digestive tract obstruction. However, only a limited number of Raillietina species have been identified in wild animals.

Methods: We analyzed and annotated the complete mitochondrial (mt) genome of a worm from the intestine of a wild pangolin using Illumina sequencing of whole genomic DNA. Read More

BMC Infect Dis 2022 Jun 13;22(1):534. Epub 2022 Jun 13.

Center for Global Health, Department of Neurology, Technical University of Munich (TUM), Munich, Germany.

Background: Taenia solium cysticercosis/taeniasis (TSCT) is reported to be endemic in pig producing areas around the world, causing significant disease burden and economic losses.

Methods: This cross-sectional study aimed at assessing Knowledge, Attitudes and Practices (KAP) regarding TSCT in four districts, namely Mbulu, Mpwapwa, Mbinga, and Rungwe in Tanzania. Data on KAP were collected through questionnaire-based interviews and household infrastructure observations. Read More

Rev Bras Parasitol Vet 2022 6;31(2):e003022. Epub 2022 Jun 6.

Zoology Department, Faculty of Science, Minia University, Minia, Egypt.

Members of the order Trypanorhyncha are cestode parasites that are frequently found infecting the muscles of several marine fish species, affecting fish health and resulting in consumers' rejection. Seventy-five specimens of marine fish were freshly caught from boat landing sites at the Alexandria coast along the Mediterranean Sea in Egypt, including two Carangids, the greater amberjack Seriola dumerili and the gulley jack Pseudocarans dentex; two Serranids, the Haifa grouper Epinephelus haifensis and the mottled grouper Mycteroperca rubra. Forty-five fish were infected; the infection was recorded as blastocysts embedded in fish flesh. Read More

PLoS Negl Trop Dis 2022 06 2;16(6):e0010449. Epub 2022 Jun 2.

Center for Global Health, Universidad Peruana Cayetano Heredia, Lima, Peru.

Background: Neurocysticercosis (NCC) is the infection of the human central nervous system (CNS) by Taenia solium larvae that cause significant neurological morbidity. Studies on NCC pathophysiology, host-parasite interactions or therapeutic agents are limited by the lack of suitable animal models. We have previously reported that carotid injection of activated T. Read More

PLoS Negl Trop Dis 2022 05 31;16(5):e0010435. Epub 2022 May 31.

State Key Laboratory of Veterinary Etiological Biology, National Professional Laboratory for Animal Echinococcosis, Key Laboratory of Veterinary Parasitology of Gansu Province, Key Laboratory of Zoonoses of Agriculture Ministry, Lanzhou Veterinary Research Institute, CAAS, Lanzhou, Gansu, P. R. China.

Almost all Echinococcus multilocularis (Em) infections occur in the liver of the intermediate host, causing a lethal zoonotic helminthic disease, alveolar echinococcosis (AE). However, the long non-coding RNAs (lncRNAs) expression profiles of the host and the potential regulatory function of lncRNA during Em infection are poorly understood. In this study, the profiles of lncRNAs and mRNAs in the liver of mice at different time points after Em infection were explored by microarray. Read More

Exp Parasitol 2022 Jul 27;238:108282. Epub 2022 May 27.

Laboratorio de Canales Iónicos, Instituto Multidisciplinario de Salud, Tecnología y Desarrollo (IMSaTeD, CONICET-UNSE), Santiago Del Estero, 4206, Argentina. Electronic address:

Larval stages of taeniid Echinococcus granulosus are the infective forms of cystic echinococcosis or hydatidosis, a worldwide zoonosis. The protoscolex that develops into the adult form in the definitive host is enveloped by a complex cellular syncytial tegument, where all metabolic interchange takes place. Little information is available as to the electrical activity of the parasite in this developmental stage. Read More

Vet Q 2022 Dec;42(1):95-118

School of Animal and Veterinary Sciences, Charles Sturt University, Wagga Wagga, NSW, Australia.

Fish and aquatic-derived zoonotic diseases have caused considerable problems in the aquaculture industry and fishery worldwide. In particular, zoonotic diseases can pose widespread threats to humans. With the world's growing population and potential global trade of aquaculture and fish, the risk of environmental contamination and development of fish and aquatic-derived zoonoses in humans are increasing. Read More

Front Cell Infect Microbiol 2022 10;12:876839. Epub 2022 May 10.

Biomedical Research Institute, Universidad Nacional Autónoma de México, CDMX, Mexico.

Human cysticercosis by is the major cause of neurological illness in countries of Africa, Southeast Asia, and the Americas. Publication of four cestode genomes (, , and ) in the last decade, marked the advent of novel approaches on the study of the host-parasite molecular crosstalk for cestode parasites of importance for human and animal health. is another cestode parasite, closely related to , which has been used in numerous studies as an animal model for human cysticercosis. Read More

Infect Dis Poverty 2022 May 26;11(1):59. Epub 2022 May 26.

Espace-Dev, UMR D-228, Université de Montpellier, 34000, Montpellier, France.

Background: In China the highest prevalence of echinococcosis is in Tibet Autonomous Region (TAR). The government has issued documents and implemented comprehensive prevention and control measures focusing on controlling the source of infection of echinococcosis. It was very important to understand the implementation and effect of infectious source control measures. Read More

PLoS Negl Trop Dis 2022 05 26;16(5):e0010442. Epub 2022 May 26.

Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, Bethesda, Maryland, United States of America.

Background: Antigen tests for diagnosis and disease monitoring in some types of neurocysticercosis (NCC) are useful but access to testing has been limited by availability of proprietary reagents and/or kits.

Methods/principal Findings: Three previously identified IgM-secreting hybridomas whose IgM products demonstrated specificity to Taenia solium underwent variable heavy and light chain sequencing and isotype conversion to mouse IgG. Screening of these recombinantly expressed IgG anti-Ts hybridomas, identified one (TsG10) with the highest affinity to crude Taenia antigen. Read More

BMJ Case Rep 2022 05 25;15(5). Epub 2022 May 25.

Radiodiagnosis, Pacific Institute of Medical Sciences Umarda Campus, Udaipur, India.

Folia Parasitol (Praha) 2022 May 16;69. Epub 2022 May 16.

Department of Ecology & Evolutionary Biology and the Biodiversity Institute, University of Kansas, Lawrence, Kansas, USA.

In an effort to expand knowledge of Clade 3-one of the ten clades that compose the non-monophyletic order 'Tetraphyllidea' all current members of which parasitise orectolobiform sharks-we targeted species of orectolobiform sharks that had not previously been examined for 'tetraphyllidean' cestodes. That work led to the discovery of three new species off Australia and Taiwan. Ambitalveolus gen. Read More

Acta Trop 2022 Aug 21;232:106518. Epub 2022 May 21.

Research Center for High Altitude Medicine, Qinghai-Utah Joint Research Key Lab for High Altitude Medicine, Qinghai University, Xining, People's Republic of China, 810001. Electronic address:

Introduction: The main objective of this study was to develop a One-tube nested MGB probe real-time PCR Assay for detecting Echinococcus multilocularis infection in human plasma cell free DNA (cfDNA).

Methods: cfDNA was extracted from 10 E.m. Read More

Turkiye Parazitol Derg 2022 05;46(2):145-149

Şanlıurfa Training and Research Hospital, Clinic of Orthopedia and Traumatology, Şanlıurfa, Turkey

Objective: Hydatid cyst disease is a helminthic infection caused by , which is encountered with cysts in many organs, especially the liver and lungs. Soft tissue and intramuscular hydatid cyst are rare even in endemic countries. It is challengig to distinguish subcutaneous and intramuscular hydatid cysts from soft tissue tumors. Read More

Turkiye Parazitol Derg 2022 05;46(2):140-144

Adıyaman Üniversitesi Tıp Fakültesi, Mikrobiyoloji Anabilim Dalı, Adıyaman, Türkiye

Objective: Cystic echinococcosis (CE) is prevalent, especially in animals in Turkey and stands as a significant zoonose. In this study, we aimed to retrospectively evaluate the indirect hemagglutination (IHA) tests results performed on samples of CE suspected patients in microbiology laboratory of our hospital.

Methods: One thousand six hundred-seven files of patients admitted to hospital between January 2013 and December 2020 were examined for the presence of anti- immunoglobulin G antibodies. Read More

Turkiye Parazitol Derg 2022 05;46(2):133-139

Erciyes Üniversitesi Tıp Fakültesi, Parazitoloji Anabilim Dalı, Kayseri, Türkiye

Objective: Cystic echinococcosis (CE) is a parasitic disease that has been known for years in helminth diseases and it is important as human and animal health problem in many parts of the world and in our country due to economic losses. In this study, it was aimed to retrospectively evaluate the distribution of anti--IgG antibodies in patients with pre-diagnosis of CE that referred to parasitology laboratory between January 2013-December 2018.

Methods: Commercial kit was used for indirect hemaglutination (IHA), indirect fluorescent antibody test (IFAT) and Western blot (WB) methods using sera from patient samples was applied according to the kit proposal. Read More

Turkiye Parazitol Derg 2022 05;46(2):129-132

Kafkas Üniversitesi Tıp Fakültesi, Tıbbi Parazitoloji Anabilim Dalı, Kars, Türkiye

Objective: Cystic echinococcosis (CE) is a common zoonotic disease in the world, which is caused by the larval form of settling in various organs in both animals and humans. It is common in livestock breeding areas and rural areas. This study was conducted to determine anti- seropositivity in patients with clinical pre-diagnosis/suspected CE in Kafkas University Health Research and Application Hospital in the Eastern Anatolia region of Turkey. Read More

Parasitology 2022 Jul 20;149(8):1027-1033. Epub 2022 May 20.

School of History, Classics and Archaeology, Newcastle University, Newcastle upon Tyne NE1 7RU, UK.

Durrington Walls was a large Neolithic settlement in Britain dating around 2500 BCE, located very close to Stonehenge and likely to be the campsite where its builders lived during its main stage of construction. Nineteen coprolites recovered from a midden and associated pits at Durrington Walls were analysed for intestinal parasite eggs using digital light microscopy. Five (26%) contained helminth eggs, 1 with those of fish tapeworm (likely ) and 4 with those of capillariid nematodes. Read More

PLoS Comput Biol 2022 05 19;18(5):e1010118. Epub 2022 May 19.

Center for Global Health Tumbes, Universidad Peruana Cayetano Heredia, Lima, Peru.

Introduction: The Taenia solium tapeworm is responsible for cysticercosis, a neglected tropical disease presenting as larvae in the body of a host following taenia egg ingestion. Neurocysticercosis (NCC), the name of the disease when it affects the human central nervous system, is a major cause of epilepsy in developing countries, and can also cause intracranial hypertension, hydrocephalus and death. Simulation models can help identify the most cost-effective interventions before their implementation. Read More

Acta Trop 2022 Aug 14;232:106516. Epub 2022 May 14.

Applied Parasitology Research Laboratory, Department of Biology, Faculty of Science, Srinakharinwirot University, Bangkok 10110, Thailand; Research and Innovation Unit for Diagnosis of Medical and Veterinary Important Parasites, Faculty of Science, Srinakharinwirot University, Bangkok 10110, Thailand. Electronic address:

Chickens and ducks are important sources of essential proteins and nutrition for global consumption, especially their eggs and meat. Tapeworm infections in chickens and ducks are the cause of serious poultry health and economic problems in the processing of livestock and food production systems. Raillietina are cosmopolitan in distribution and are possibly the most common tapeworm parasites. Read More

J Ayub Med Coll Abbottabad 2022 Apr-Jun;34(2):381-384

Department of Surgery, Northwest General Hospital and Research Centre, Peshawar, Pakistan.

Echinococcosis is a disease that has been affecting human beings since decades and is primarily a zoonotic disease. The larvae of genus Echinococcus causes this disease. The most common sites for these cysts are the lungs and liver. Read More

Parasitology 2022 Jul 16;149(8):1106-1118. Epub 2022 May 16.

Institute of Parasitology, Slovak Academy of Sciences, Hlinkova 3, 04001 Košice, Slovakia.

is the most frequent causative agent of fish-borne zoonosis (diphyllobothriosis) in Europe, where it is currently circulating mainly in the Alpine lakes region (ALR) and Russia. Three mitochondrial genes (1, and 3) and 6 microsatellite loci were analysed to determine how is the recently detected triploidy/parthenogenesis in tapeworms from ALR displayed at the DNA level. A geographically distant population from the Krasnoyarsk Reservoir in Russia (RU-KR) was analysed as a comparative population. Read More

Vet Parasitol Reg Stud Reports 2022 Jun 1;31:100727. Epub 2022 Apr 1.

University of Hohenheim, Parasitology Unit, Stuttgart, Germany. Electronic address:

Cystic echinococcosis (CE) is widespread and locally frequent in southern Africa where it affects humans, livestock, and wild mammals. However, most data from the region are old and do not provide information on the causative Echinococcus species. For Namibian livestock only anecdotal records were available prior to this preliminary survey. Read More

Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2022 Apr;34(2):194-199

National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention (Chinese Center for Tropical Diseases Research); National Health Commission Key Laboratory of Parasite and Vector Biology; WHO Collaborating Centre for Tropical Diseases; National Center for International Research on Tropical Diseases, Shanghai 200025, China.

Echinococcosis is a serious zoonotic parasitic disease caused by infections with larval . The life cycle of involves a variety of animal hosts, including hoofed animals and rodents as intermediate hosts and carnivores as definitive hosts. The transmission of human echinococcosis is closely associated with the life cycle of and among animal hosts in nature. Read More

Zhongguo Xue Xi Chong Bing Fang Zhi Za Zhi 2022 Feb;34(2):158-162

Anhui Key Laboratory of Infection and Immunity, Bengbu Medical College, Bengbu, Anhui 233000, China.

Objective: To investigate the protective effect of hydatid cyst fluid protein (HCFP) on ovalbumin (OVA)-induced allergic rhinitis (AR) in mice.

Methods: Twenty-four BALB/c mice at ages of 8 to 10 weeks, each weighing approximately 20 g, were randomly divided into four groups, including groups A (blank control group), B (blank intervention group), C (AR model group) and D (AR+HCFP intervention group), with 6 mice in each group. On days 0, 2, 4, 6, 8, 10 and 12, mice in groups A, B, C and D were injected with 200 μL sterile phosphate buffered saline (PBS), 200 μL sterile PBS containing 20 μg HCFP, 200 μL sterile PBS containing 50 μg OVA and 5 mg Al(OH) gel, and 200 μL sterile PBS containing 50 μg OVA, 5 mg Al(OH) gel and 20 μg HCFP, respectively. Read More

Microbiol Spectr 2022 May 10:e0013822. Epub 2022 May 10.

College of Marine Sciences, University of South Florida, Saint Petersburg, Florida, USA.

Because parasites have an inextricable relationship with their host, they have the potential to serve as viral reservoirs or facilitate virus host shifts. And yet, little is known about viruses infecting parasitic hosts except for blood-feeding arthropods that are well-known vectors of zoonotic viruses. Herein, we uncovered viruses of flatworms (phylum Platyhelminthes, group Neodermata) that specialize in parasitizing vertebrates and their ancestral free-living relatives. Read More

Parasit Vectors 2022 May 10;15(1):131. Epub 2022 May 10.

Global Health and Tropical Medicine (GHTM), Instituto de Higiene e Medicina Tropical (IHMT), Universidade Nova de Lisboa (NOVA), Rua da Junqueira 100, 1349-008, Lisbon, Portugal.

Background: Dipilidiosis is a parasitic disease caused by the tapeworm Dipylidium caninum. Fleas and, less frequently, lice act as an intermediate host, and their ingestion is required for infection to occur. While the disease mainly affects domestic and wild carnivores, it is also considered a zoonotic disease, with most human cases reported in children. Read More

Saudi J Kidney Dis Transpl 2021 Sep-Oct;32(5):1482-1484

Department of Nephrology, New Jersey Kidney Care and Christ Hospital, NJ, USA.

Hydatid cysts, usually found in liver and lungs, are rare to be primarily located in the retroperitoneal region. It may mimic malignant mass and differentiation may be difficult. Surgical exploration in undiagnosed cases may lead to adverse complications. Read More

Surg Infect (Larchmt) 2022 Jun 6;23(5):451-457. Epub 2022 May 6.

Health Monitoring Research Center, School of Medicine, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.

Cystic echinococcosis (CE) is caused by . In Central Iran, no molecular information is available on CE in humans. Therefore, in this study, we identified the genotyping of hydatid cysts obtained from patients with CE in central Iran using mitochondrial cytochrome c oxidase subunit I (1) gene. Read More