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Toxoplasma gondii seroprevalence, seroconversion rates and genetic variability in humans from Uruguay. 乌拉圭人类刚地弓形虫血清阳性率、血清转化率和遗传变异。
IF 2.1 3区 医学
Parasitology Pub Date : 2025-06-23 DOI: 10.1017/S0031182025100334
Alejandra Valentin-Decuadro, Leandro Ramiro Tana-Hernandez, Paula Faral-Tello, Pablo Fresia, Mariana Guirado, Marianella Rodriguez Rey, Gonzalo Diaz, Valentina Gimenez, Gabriela Greising, Nora Fernandez, Juan Pablo Gesuele, Maria E Francia
{"title":"<i>Toxoplasma gondii</i> seroprevalence, seroconversion rates and genetic variability in humans from Uruguay.","authors":"Alejandra Valentin-Decuadro, Leandro Ramiro Tana-Hernandez, Paula Faral-Tello, Pablo Fresia, Mariana Guirado, Marianella Rodriguez Rey, Gonzalo Diaz, Valentina Gimenez, Gabriela Greising, Nora Fernandez, Juan Pablo Gesuele, Maria E Francia","doi":"10.1017/S0031182025100334","DOIUrl":"https://doi.org/10.1017/S0031182025100334","url":null,"abstract":"<p><p>Toxoplasmosis, caused by the obligate intracellular parasite <i>Toxoplasma gondii</i>, is one of the most prevalent zoonotic parasitic infections worldwide. When acquired during pregnancy, <i>T. gondii</i> can be transmitted to the fetus, with clinical outcomes influenced by gestational age at time of infection and the parasite's genotype. Prenatal screening enables the detection of maternal seroconversion and offers a critical window for intervention. In Uruguay, despite mandatory serological screening during pregnancy, national data on <i>T. gondii</i> seroprevalence and maternal seroconversion have not been updated in two decades. In addition, the genetic diversity of local strains remains poorly characterized. In this study, we analysed publicly available serological data from pregnant individuals attending Uruguay's largest public maternity hospital between 2019 and 2023. We found that seroprevalence has modestly declined from 50% (reported in 1998) to 45.5%, with a congenital transmission rate of 0.58%. Clinical analysis of affected newborns revealed chorioretinitis as the predominant manifestation. To investigate parasite diversity, we performed genotyping of <i>T. gondii</i> strains using <i>in silico</i> PCR-RFLP following molecular detection. Our findings revealed substantial genetic diversity, including novel allele combinations not previously described in the region. These results highlight both the continued public health burden and the evolving genetic landscape of <i>T. gondii</i> in Uruguay. Our findings underscore the need to strengthen surveillance and prevention strategies for congenital toxoplasmosis in South America.</p>","PeriodicalId":19967,"journal":{"name":"Parasitology","volume":" ","pages":"1-11"},"PeriodicalIF":2.1,"publicationDate":"2025-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144369132","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
"Female Genital Schistosomiasis: Translational Challenges and Opportunities": Outputs and actions from a consultative, collaborative and translational workshop. “女性生殖器血吸虫病：转化的挑战和机遇”：协商、合作和转化讲习班的产出和行动。
IF 2.1 3区 医学
Parasitology Pub Date : 2025-06-23 DOI: 10.1017/S0031182025100346
Peter S Wasson, Maia Kavanagh Williamson, Amelia Hallas-Potts, Benjamin Lopez-Jimena, Magdalena Koscielniak, Steven Tait, Margaret Gyapong, Olimpia Lamberti, Rhoda Ndubani, Ashley Preston, Janelisa Musaya, Sekeleghe A Kayuni, Dingase Kumwenda, Lisette van Lieshout, Bonnie L Webster, Jennifer A Downs, Amy Sturt, Sabine Specht, Morgan E Lemin, Elizabeth F Long, Eyrun F Kjetland, Bodo S Randrianasolo, J Russell Stothard, Anouk Gouvras, David Rollinson, W Evan Secor, Kwame Shanaube, Amaya L Bustinduy
{"title":"\"Female Genital Schistosomiasis: Translational Challenges and Opportunities\": Outputs and actions from a consultative, collaborative and translational workshop.","authors":"Peter S Wasson, Maia Kavanagh Williamson, Amelia Hallas-Potts, Benjamin Lopez-Jimena, Magdalena Koscielniak, Steven Tait, Margaret Gyapong, Olimpia Lamberti, Rhoda Ndubani, Ashley Preston, Janelisa Musaya, Sekeleghe A Kayuni, Dingase Kumwenda, Lisette van Lieshout, Bonnie L Webster, Jennifer A Downs, Amy Sturt, Sabine Specht, Morgan E Lemin, Elizabeth F Long, Eyrun F Kjetland, Bodo S Randrianasolo, J Russell Stothard, Anouk Gouvras, David Rollinson, W Evan Secor, Kwame Shanaube, Amaya L Bustinduy","doi":"10.1017/S0031182025100346","DOIUrl":"https://doi.org/10.1017/S0031182025100346","url":null,"abstract":"","PeriodicalId":19967,"journal":{"name":"Parasitology","volume":" ","pages":"1-44"},"PeriodicalIF":2.1,"publicationDate":"2025-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144369131","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Genetic diversity within Strongyloides fuelleborni: Mitochondrial genome analysis reveals a clear African and Asian division. 燃料圆线虫的遗传多样性：线粒体基因组分析揭示了明显的非洲和亚洲分裂。
IF 2.1 3区 医学
Parasitology Pub Date : 2025-06-23 DOI: 10.1017/S0031182025100243
Travis Richins, Sarah G H Sapp, Alexandra Juhasz, Lucas J Cunningham, E James LaCourse, J Russell Stothard, Joel L N Barratt
{"title":"Genetic diversity within <i>Strongyloides fuelleborni:</i> Mitochondrial genome analysis reveals a clear African and Asian division.","authors":"Travis Richins, Sarah G H Sapp, Alexandra Juhasz, Lucas J Cunningham, E James LaCourse, J Russell Stothard, Joel L N Barratt","doi":"10.1017/S0031182025100243","DOIUrl":"https://doi.org/10.1017/S0031182025100243","url":null,"abstract":"","PeriodicalId":19967,"journal":{"name":"Parasitology","volume":" ","pages":"1-34"},"PeriodicalIF":2.1,"publicationDate":"2025-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144369133","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An accessible 3D HepG2/C3A liver spheroid model supporting the complete intrahepatocytic lifecycle of Plasmodium falciparum. 一个可访问的三维HepG2/C3A肝球体模型，支持恶性疟原虫的完整肝内细胞生命周期。
IF 2.1 3区 医学
Parasitology Pub Date : 2025-06-20 DOI: 10.1017/S0031182025100322
Claire H Caygill, Salwa Omar Alqurashi, Adriana Adolfi, Jessica Carson, Angelika Sturm, Daniel S Evans, Jess B Jinks, Koen J Dechering, Lisa Reimer, Shaun H Pennington, Parveen Sharma, Stephen A Ward, Giancarlo A Biagini
{"title":"An accessible 3D HepG2/C3A liver spheroid model supporting the complete intrahepatocytic lifecycle of <i>Plasmodium falciparum</i>.","authors":"Claire H Caygill, Salwa Omar Alqurashi, Adriana Adolfi, Jessica Carson, Angelika Sturm, Daniel S Evans, Jess B Jinks, Koen J Dechering, Lisa Reimer, Shaun H Pennington, Parveen Sharma, Stephen A Ward, Giancarlo A Biagini","doi":"10.1017/S0031182025100322","DOIUrl":"https://doi.org/10.1017/S0031182025100322","url":null,"abstract":"","PeriodicalId":19967,"journal":{"name":"Parasitology","volume":" ","pages":"1-25"},"PeriodicalIF":2.1,"publicationDate":"2025-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144333674","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fecal metabarcoding vs. traditional invasive survey to access the diversity of anuran endoparasites and diet. 粪便元条形码与传统侵入性调查对比，以获取动物体内寄生虫和饮食的多样性。
IF 2.1 3区 医学
Parasitology Pub Date : 2025-06-18 DOI: 10.1017/S0031182025100292
Amanda Caroline Dudczak, Rafael Euclydes, Emanuel Razzolini, Hernani Fernandes Magalhães Oliveira, Melissa Robin Ingala, Karla Magalhães Campião
{"title":"Fecal metabarcoding vs. traditional invasive survey to access the diversity of anuran endoparasites and diet.","authors":"Amanda Caroline Dudczak, Rafael Euclydes, Emanuel Razzolini, Hernani Fernandes Magalhães Oliveira, Melissa Robin Ingala, Karla Magalhães Campião","doi":"10.1017/S0031182025100292","DOIUrl":"https://doi.org/10.1017/S0031182025100292","url":null,"abstract":"","PeriodicalId":19967,"journal":{"name":"Parasitology","volume":" ","pages":"1-30"},"PeriodicalIF":2.1,"publicationDate":"2025-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144317618","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Response of the tegument of Fasciola hepatica to infection and immunisation sera in vitro. 肝片形吸虫被膜对体外感染和免疫血清的反应。
IF 2.1 3区 医学
Parasitology Pub Date : 2025-06-18 DOI: 10.1017/S003118202510022X
Clive E Bennett, Adam P S Bennett, Robert E B Hanna, Mark W Robinson
{"title":"Response of the tegument of Fasciola hepatica to infection and immunisation sera in vitro.","authors":"Clive E Bennett, Adam P S Bennett, Robert E B Hanna, Mark W Robinson","doi":"10.1017/S003118202510022X","DOIUrl":"https://doi.org/10.1017/S003118202510022X","url":null,"abstract":"","PeriodicalId":19967,"journal":{"name":"Parasitology","volume":" ","pages":"1-18"},"PeriodicalIF":2.1,"publicationDate":"2025-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144317619","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Elucidation of the life cycle of the trematode Curtuteria arguinae (Digenea: Himasthlidae), using environmental DNA detection methods. 利用环境DNA检测方法研究黄毒舌吸虫的生活史。
IF 2.1 3区 医学
Parasitology Pub Date : 2025-06-18 DOI: 10.1017/S0031182025100267
Leslie Stout, Guillemine Daffe, Aurélie Chambouvet, Xavier de Montaudouin, Flore Daramy, Adrien de Montaudouin
{"title":"Elucidation of the life cycle of the trematode <i>Curtuteria arguinae</i> (Digenea: Himasthlidae), using environmental DNA detection methods.","authors":"Leslie Stout, Guillemine Daffe, Aurélie Chambouvet, Xavier de Montaudouin, Flore Daramy, Adrien de Montaudouin","doi":"10.1017/S0031182025100267","DOIUrl":"https://doi.org/10.1017/S0031182025100267","url":null,"abstract":"","PeriodicalId":19967,"journal":{"name":"Parasitology","volume":" ","pages":"1-36"},"PeriodicalIF":2.1,"publicationDate":"2025-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144326541","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The diversity of Khawia tapeworms (Cestoda: Caryophyllidea) of barbels (Cyprinidae: Barbinae) in the western Palearctic: the existence of vicariant lineages and the description of a new species from the Iberian Peninsula. 古北西部梭鲈（梭鲈科：梭鲈科）中Khawia绦虫的多样性：交替谱系的存在和来自伊比利亚半岛的一新种的描述。
IF 2.1 3区 医学
Parasitology Pub Date : 2025-06-16 DOI: 10.1017/S0031182025100206
Kamila Koutná, Michal Benovics, Tomáš Scholz
{"title":"The diversity of <i>Khawia</i> tapeworms (Cestoda: Caryophyllidea) of barbels (Cyprinidae: Barbinae) in the western Palearctic: the existence of vicariant lineages and the description of a new species from the Iberian Peninsula.","authors":"Kamila Koutná, Michal Benovics, Tomáš Scholz","doi":"10.1017/S0031182025100206","DOIUrl":"10.1017/S0031182025100206","url":null,"abstract":"<p><p>The caryophyllidean tapeworm <i>Khawia armeniaca</i> has long been regarded as an exceptionally widespread species within its genus, notable for its significant morphological variability. However, with the accumulation of molecular data from different fish hosts, <i>K. armeniaca</i> was suspected to represent a species complex. To clarify the true identity of these parasites, a comprehensive morphological and molecular study (using 18S, 28S and ITS2 ribosomal regions) of <i>K. armeniaca</i> tapeworms from barbels (Barbinae) across the Iberian Peninsula and the Middle East has been conducted. The results revealed two genetically distinct lineages within the <i>K. armeniaca</i> complex. The first lineage, found in <i>Arabibarbus grypus, Barbus lacerta, Capoeta birunii, Carassobarbus luteus, Luciobarbus barbulus, L. esocinus</i> and <i>L. kersin</i> in Iraq and Iran, is genetically congruent with <i>K. armeniaca</i> (Cholodkovsky, 1915), originally described from the Sevan khramulya (<i>Capoeta sevangi</i>) in Armenia. The second lineage, identified in <i>Luciobarbus bocagei</i> (type host), <i>L. comizo</i> and <i>L. guiraonis</i> from Portugal and Spain, is described as <i>Khawia iberica</i> n. sp. In addition to clear molecular divergence, <i>K. iberica</i> can be distinguished from <i>K. armeniaca</i> by notable morphological differences, including variations in the shape, structure and size of the ovary, the anterior extension of the vitelline follicles, the testes and several morphometric parameters.</p>","PeriodicalId":19967,"journal":{"name":"Parasitology","volume":" ","pages":"1-14"},"PeriodicalIF":2.1,"publicationDate":"2025-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144302711","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cross sectional assessment of feasibility and acceptability in screening for female genital schistosomiasis (FGS) in two clinical settings in east province, Cameroon. 在喀麦隆东部省的两个临床环境中筛查女性生殖器血吸虫病（FGS）的可行性和可接受性横断面评估。
IF 2.1 3区 医学
Parasitology Pub Date : 2025-06-16 DOI: 10.1017/S0031182025100255
Sandrine Nyotue, Laura Ciaffi, Aimé Assigui, Louis-Albert Tchuem Tchuente, Bodo Randraniasolo, John Russel Stothard, Jutta Reinhard-Rupp, Vanessa Christinet
{"title":"Cross sectional assessment of feasibility and acceptability in screening for female genital schistosomiasis (FGS) in two clinical settings in east province, Cameroon.","authors":"Sandrine Nyotue, Laura Ciaffi, Aimé Assigui, Louis-Albert Tchuem Tchuente, Bodo Randraniasolo, John Russel Stothard, Jutta Reinhard-Rupp, Vanessa Christinet","doi":"10.1017/S0031182025100255","DOIUrl":"https://doi.org/10.1017/S0031182025100255","url":null,"abstract":"","PeriodicalId":19967,"journal":{"name":"Parasitology","volume":" ","pages":"1-24"},"PeriodicalIF":2.1,"publicationDate":"2025-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144302710","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The dsRNA dependent kinase (PKR) inhibits the growth of Leishmania major via NF-kB-mediated genes. dsRNA依赖性激酶（PKR）通过nf - kb介导的基因抑制利什曼原虫的生长。
IF 2.1 3区 医学
Parasitology Pub Date : 2025-06-16 DOI: 10.1017/S0031182025100218
Aislan de Carvalho Vivarini, Bianca Cristina Duarte Vivarini, Yuri Nunes Oliveira, Flávia Thiebaut, Evelize Folly das Chagas
{"title":"The dsRNA dependent kinase (PKR) inhibits the growth of <i>Leishmania major</i> via NF-kB-mediated genes.","authors":"Aislan de Carvalho Vivarini, Bianca Cristina Duarte Vivarini, Yuri Nunes Oliveira, Flávia Thiebaut, Evelize Folly das Chagas","doi":"10.1017/S0031182025100218","DOIUrl":"https://doi.org/10.1017/S0031182025100218","url":null,"abstract":"","PeriodicalId":19967,"journal":{"name":"Parasitology","volume":" ","pages":"1-42"},"PeriodicalIF":2.1,"publicationDate":"2025-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144302712","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","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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