Parasitologia (Basel, Switzerland)最新文献

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Ocular Toxoplasmosis: Mechanisms of Retinal Infection and Experimental Models 眼弓形虫病:视网膜感染机制和实验模型
Parasitologia (Basel, Switzerland) Pub Date : 2021-04-15 DOI: 10.3390/PARASITOLOGIA1020007
V. Rodriguez Fernandez, Giovanni Casini, F. Bruschi
{"title":"Ocular Toxoplasmosis: Mechanisms of Retinal Infection and Experimental Models","authors":"V. Rodriguez Fernandez, Giovanni Casini, F. Bruschi","doi":"10.3390/PARASITOLOGIA1020007","DOIUrl":"https://doi.org/10.3390/PARASITOLOGIA1020007","url":null,"abstract":"Ocular toxoplasmosis (OT) is caused by the parasite Toxoplasma gondii and affects many individuals throughout the world. Infection may occur through congenital or acquired routes. The parasites enter the blood circulation and reach both the retina and the retinal pigment epithelium, where they may cause cell damage and cell death. Different routes of access are used by T. gondii to reach the retina through the retinal endothelium: by transmission inside leukocytes, as free parasites through a paracellular route, or after endothelial cell infection. A main feature of OT is the induction of an important inflammatory state, and the course of infection has been shown to be influenced by the host immunogenetics. On the other hand, there is evidence that the T. gondii phenotype also has an impact on the distribution of the pathology in different areas. Although considerable knowledge has been acquired on OT, a deeper knowledge of its mechanisms is necessary to provide new, more targeted treatment strategies. In particular, in addition to in vitro and in vivo experimental models, organotypic, ex vivo retinal explants may be useful in this direction.","PeriodicalId":74398,"journal":{"name":"Parasitologia (Basel, Switzerland)","volume":"1 1","pages":"50-60"},"PeriodicalIF":0.0,"publicationDate":"2021-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3390/PARASITOLOGIA1020007","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45534188","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
First Report of Ixodes scapularis Ticks Parasitizing a North American Porcupine in Canada 肩胛硬蜱在加拿大寄生北美豪猪的首次报告
Parasitologia (Basel, Switzerland) Pub Date : 2021-04-01 DOI: 10.3390/PARASITOLOGIA1020006
John D. Scott
{"title":"First Report of Ixodes scapularis Ticks Parasitizing a North American Porcupine in Canada","authors":"John D. Scott","doi":"10.3390/PARASITOLOGIA1020006","DOIUrl":"https://doi.org/10.3390/PARASITOLOGIA1020006","url":null,"abstract":"Adult females of the blacklegged tick, Ixodes scapularis (Acari: Ixodidae), were collected from a North American porcupine, Erethizon dorsatum, in eastern Ontario, Canada. This porcupine parasitism indicates that an established population of I. scapularis is present in the local vicinity. This tick species is known to parasitize more than 150 different vertebrate hosts, including the North American porcupine. The presence of I. scapularis ticks parasitizing a North American porcupine constitutes a new tick-host record in Canada.","PeriodicalId":74398,"journal":{"name":"Parasitologia (Basel, Switzerland)","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3390/PARASITOLOGIA1020006","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41488530","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Seroprevalence and Risk Factors for Toxoplasma gondii Infection in Sheep and Goats from Romania 罗马尼亚绵羊和山羊刚地弓形虫感染血清阳性率及危险因素分析
Parasitologia (Basel, Switzerland) Pub Date : 2021-03-25 DOI: 10.3390/PARASITOLOGIA1020005
I. Hotea, V. Herman, E. Tîrziu, O. Colibar, I. Brudiu, C. Sîrbu, G. Dărăbuș
{"title":"Seroprevalence and Risk Factors for Toxoplasma gondii Infection in Sheep and Goats from Romania","authors":"I. Hotea, V. Herman, E. Tîrziu, O. Colibar, I. Brudiu, C. Sîrbu, G. Dărăbuș","doi":"10.3390/PARASITOLOGIA1020005","DOIUrl":"https://doi.org/10.3390/PARASITOLOGIA1020005","url":null,"abstract":"Toxoplasma gondii infections in sheep and goats are important economically and for public health for many countries, including Romania. In this study, seroprevalence and associated risk factors for T. gondii infection were determined in 2500 sheep and 500 goats from three counties in the Banat region of Romania. Antibodies to T. gondii were found in 1266 of 2500 (50.64%) sheep and in 375 (75%) of 500 goats, by using a commercial (IDEXX) ELISA. To evaluate the epidemiological status of the infection, some risk factors for ovine and caprine T. gondii infections were assessed. The main risk factors associated with T. gondii infections were breed, age, and the presence of cats in the farm. Seroprevalence was higher in animals older than three years and in purebred versus mixed breed animals. This is the first detailed study of risk factors associated with T. gondii seroprevalence in sheep and goats in Romania.","PeriodicalId":74398,"journal":{"name":"Parasitologia (Basel, Switzerland)","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3390/PARASITOLOGIA1020005","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41862269","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Parasites as Disruptors: From Ecology and Evolution, through Cell and Molecular Biology to Clinical and Veterinary Medicine 寄生虫作为破坏者:从生态学和进化,通过细胞和分子生物学到临床和兽医
Parasitologia (Basel, Switzerland) Pub Date : 2021-03-19 DOI: 10.3390/PARASITOLOGIA1010004
G. Hide
{"title":"Parasites as Disruptors: From Ecology and Evolution, through Cell and Molecular Biology to Clinical and Veterinary Medicine","authors":"G. Hide","doi":"10.3390/PARASITOLOGIA1010004","DOIUrl":"https://doi.org/10.3390/PARASITOLOGIA1010004","url":null,"abstract":"Fundamental to our understanding of natural processes, is the measurement of responses to disruptions in the status quo [...]","PeriodicalId":74398,"journal":{"name":"Parasitologia (Basel, Switzerland)","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3390/PARASITOLOGIA1010004","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47999415","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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