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pregnant toxoplasmosis

Christelle Pomares, Tyson H Holmes, Remy Estran, Cynthia J Press, Raymund Ramirez, Jeanne Talucod, Holden Maecker, Yael Rosenberg-Hasson, Jose G Montoya
INTRODUCTION: Majority of Toxoplasma gondii infections are benign and asymptomatic; however, some patients experience toxoplasmic lymphadenitis (TL). Factors associated as to whether infection will be symptomatic or not are unknown. METHODS: Dye test titers of patients with acute toxoplasmosis (pregnant and not pregnant) with TL (TL+) were compared with those in patients with asymptomatic acute infection (TL-). Additionally, mean levels of 62 serum cytokines were compared between TL+ and TL- pregnant women and between TL+ pregnant and non-pregnant women...
October 13, 2016: Cytokine
Ai Ying Teh, Atefeh Amerizadeh, Sabariah Osman, Muhammad Hafiznur Yunus, Rahmah Noordin
The IgG avidity assay is an important tool in the management of suspected toxoplasmosis in pregnant women. This study aimed to produce new Toxoplasma gondii recombinant proteins and to assess their usefulness in an IgG avidity assay. Toxoplasma positive and negative serum samples were used, the former were categorized into low (LGA) and high (HGA) IgG avidity samples. Immunoblots were performed on 30 T. gondii cDNA clones to determine the reactivity and IgG avidity to the expressed proteins. Two of the clones were found to have diagnostic potential and were analyzed further; AG12b encoded T...
October 4, 2016: Pathogens and Global Health
Mohamed Alkhatim Alsammani
The epidemiology of toxoplasmosis in pregnancy is a major issue for public health. Primary infection in pregnant women can lead to serious sequelae. This review examined current sero-epidemiology and risks factor data for Toxoplasma gondii in pregnant women in Arab and African countries. A systematic electronic search of published literature was conducted. Data were extracted from relevant studies. Seropositivity is high in both regions. African countries have higher seropositivity than Arab countries due to differences in risk factors...
September 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
Fernando Henrique Antunes Murata, Marina Neves Ferreira, Natália Sahyoun Camargo, Gabriela Soria Santos, Lígia Cosentino Junqueira Franco Spegiorin, Aparecida Perpétuo Silveira-Carvalho, Vera Lucia Pereira-Chioccola, Luiz Carlos de Mattos, Cinara Cássia Brandão de Mattos
INTRODUCTION: Toxoplasmosis during pregnancy can be severe; thus, it is essential to diagnose the disease via serological tests. METHODS: An enzyme-linked immunosorbent assay (ELISA) was used to investigate anti-Toxoplasma gondii immunoglobulin A (IgA), M (IgM) and G (IgG) antibodies in 62 high-risk pregnant women. RESULTS: Forty-three (69.4%) women were positive for IgA, 31 (50%) for IgG, and 57 (91.9%) for IgM; 4 (6,5%) were positive for IgA but negative for IgM; 10 (16...
July 2016: Revista da Sociedade Brasileira de Medicina Tropical
John Asekhaen Ohiolei, Clement Isaac
Toxoplasmosis is caused by intracellular protozoan parasite, Toxoplasma gondii (Nicolle et Manceaux, 1908). Cats and other felids are the definitive hosts. It could be transmitted to man and animals by consumption of infected undercooked meat and contaminated food items including drinking water. Results of toxoplasmosis epidemiological surveys in animals and humans in South-West, North-West, North-East and North-Central Zones of Nigeria have been reported with greater impact on the health of pregnant women and HIV-infected individuals...
2016: Folia Parasitologica
Christian Berghold, Sereina Annik Herzog, Heidelinde Jakse, Andrea Berghold
In Austria, mandatory screening for the prevention of congenital toxoplasmosis stipulates a serological test for antibodies against Toxoplasma gondii as early as possible in pregnancy. In the case of a seronegative result, subsequent tests at intervals of 8 weeks are requested. We analysed serological data from Styria, an Austrian federal state, to determine the seroprevalence and incidence of Toxoplasma infections. The study included 353,599 tests from 103,316 women during 158,571 pregnancies from 1995 to 2012...
August 18, 2016: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
Vanderlei Klauck, Rafael Pazinato, Willian M Radavelli, Edimar Custódio, Anderson E Bianchi, Giovana Camillo, Alfredo S Cezar, Fernanda F Vogel, Alexandre A Tonin, Rogério Ferreira, Lenita M Stefani, Aleksandro S Da Silva
The present study aimed to evaluate the transmission of toxoplasmosis (vertical and venereal) and its influence on milk production and reproductive problems of Lacaune sheep seropositives for Toxoplasma gondii. Males and females were serologically selected using indirect immunofluorescence method in three steps of the study. Step 1: In order to evaluate the influence of toxoplasmosis on milk production, the volume of milk produced by 40 sheep (22 seronegatives and 18 seropositives for T. gondii) was weekly measured throughout the lactation period...
October 2016: Microbial Pathogenesis
Elvis Chongsi Wam, Leonard Fonkeng Sama, Innocent Mbulli Ali, Walter Akoh Ebile, Lucy Agyingi Aghangu, Christopher Bonglavnyuy Tume
BACKGROUND: Toxoplasmosis is a widely distributed zoonotic disease, caused by the protozoan parasite Toxoplasma gondii. T. Infections can result in stillbirths, abortions or congenital defects during pregnancy, as well as toxoplasmic encephalitis in HIV/AIDS patients. This study aimed to determine the seroprevalence and risk factors for T. gondii infection in women seeking antenatal and medical care in the locality of Njinikom, North West of Cameroon. METHODS: We conducted a cross-sectional study from August to December 2014 consecutively enrolling 178 consenting women aged 15 to 49 years attending antenatal care or medical check-ups at the hospital...
2016: BMC Research Notes
Mohammad Hossein Motazedian, Bahram Kazemi, Bahador Shahriari, Mojgan Bandehpour, Khadijeh Khanaliha
BACKGROUND: The coccidian protozoa Toxoplasma gondii is an obligate intracellular parasite of humans and other warm-blooded animals. Diagnosis of toxoplasmosis is of considerable medical importance for human, especially pregnant women and immunocompromised individuals. The apply of an Escherichia coli recombinant antigen(s) would be significantly useful in developing standardization of the diagnostic tests and reducing their costs. In this study, immunoreactivity of recombinant SAG3 against sera from immunized mice and human anti-T...
July 2016: Iranian Journal of Public Health
M Nourollahpour Shiadeh, A Rostami, B D Pearce, M Gholipourmalekabadi, D J Newport, M Danesh, S Mehravar, S J Seyyedtabaei
Previous studies have demonstrated that latent toxoplasmosis is associated with neuropsychiatric disorders. We evaluated the correlation between Toxoplasma gondii infection and prenatal depression. In this case-control study, we enrolled 116 depressed pregnant women and 244 healthy controls. The Edinburgh Postpartum Depression Scale (EPDS) was used to evaluate the depression symptom severity in study participants. All participants were screened for the anti-Toxoplasma IgG by enzyme-linked immunosorbent assay...
November 2016: European Journal of Clinical Microbiology & Infectious Diseases
A E Lange, J R Thyrian, S Wetzka, S Flessa, W Hoffmann, M Zygmunt, C Fusch, H N Lode, M Heckmann
BACKGROUND: Congenital toxoplasmosis is associated with severe complications. German state health insurance covers rubella, but not toxoplasmosis, immunity screening. We analysed the effect of socioeconomic factors on the efficiency of private toxoplasmosis screening during pregnancy. METHODS: Toxoplasmosis and rubella screening data (n = 5402 mothers) were collected within the population-based Survey of Neonates in Pomerania (SNiP). RESULTS: At the first-trimester screening, 34...
2016: BMC Pregnancy and Childbirth
Magdalena Antczak, Katarzyna Dzitko, Henryka Długońska
The protozoan Toxoplasma gondii, an obligate intracellular parasite, is an etiological agent of human and animal toxoplasmosis. Treatment regimens for T. gondii-infected patients have not essentially changed for years. The most common chemotherapeutics used in the therapy of symptomatic toxoplasmosis are a combination of pyrimethamine and sulfadiazine plus folinic acid or a combination of pyrimethamine with lincosamide or macrolide antibiotics. To protect a fetus from parasite transplacental transmission, therapy of pregnant women is usually based on spiramycin, which is quite safe for the organism, but not efficient in the treatment of infected children...
August 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Andrés Palencia, Ru-Juan Liu, Maria Lukarska, Jiri Gut, Alexandre Bougdour, Bastien Touquet, En-Duo Wang, Xianfeng Li, M R K Alley, Yvonne R Freund, Philip J Rosenthal, Mohamed-Ali Hakimi, Stephen Cusack
The apicomplexan parasites Cryptosporidium and Toxoplasma are serious threats to human health. Cryptosporidiosis is a severe diarrheal disease in malnourished children and immunocompromised individuals, with the only FDA-approved drug treatment currently being nitazoxanide. The existing therapies for toxoplasmosis, an important pathology in immunocompromised individuals and pregnant women, also have serious limitations. With the aim of developing alternative therapeutic options to address these health problems, we tested a number of benzoxaboroles, boron-containing compounds shown to be active against various infectious agents, for inhibition of the growth of Cryptosporidium parasites in mammalian cells...
October 2016: Antimicrobial Agents and Chemotherapy
G Sucilathangam, T Anna
The current study was conducted with the objectives of estimating the seroprevalence of Toxoplasma gondii and associated socio-demographic, clinical and behavioural characteristics in and around Tirunelveli. Serum samples from 175 immunodeficient and 175 immunocompetent patients were collected and were analyzed by in-house enzyme linked immunosorbent assay (ELISA). A questionnaire survey was administered for all study participants to gather information on risk factors. The present study revealed that anti- T...
June 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
P C Santos, P L Telmo, L M Lehmann, G T Mattos, G B Klafke, C Lorenzi, C Hirsch, L Lemos, M E A Berne, C V Gonçalves, C J Scaini
Toxoplasmosis causes complications during pregnancy that have serious effects on fetal development. Thus far, toxocariasis has been reported to spread only via vertical transmission. Nonetheless, the population of pregnant women is also exposed to this infection. Co-infection with both Toxoplasma gondii and Toxocara spp. has been reported in children, but there are no reports of co-infection in the population of pregnant women. The aim of this study was to determine the prevalence of co-infection with T. gondii and Toxocara spp...
July 14, 2016: Journal of Helminthology
Karoline Aebi-Popp, Christian Kahlert, Andri Rauch, Beatrice Mosimann, David Baud, Nicola Low, Daniel Surbek
QUESTION: Detection and treatment of infections during pregnancy are important for both maternal and child health. The objective of this study was to describe testing practices and adherence to current national guidelines in Switzerland. METHODS: We invited all registered practicing obstetricians and gynaecologists in Switzerland to complete an anonymous web-based questionnaire about strategies for testing for 14 infections during pregnancy. We conducted a descriptive analysis according to demographic characteristics...
2016: Swiss Medical Weekly
Samira M Al-Eryani, Abdulsalam M Al-Mekhlafi, Latifa A Al-Shibani, Mohammed M K Mahdy, Ahmed A Azazy
INTRODUCTION: Although toxoplasmosis is an important public health problem, there is scarcity of data on the disease available from Yemen. A cross-sectional survey was conducted in health facilities to determine seroprevalence of Toxoplasma gondii and associated risk factors among pregnant women in Sana'a, the capital city of Yemen. METHODOLOGY: A total of 593 pregnant women were included and examined for anti-T. gondii antibodies (Ab) using enzyme-linked immunosorbent assay...
2016: Journal of Infection in Developing Countries
Mohammed El-Bali, Dina A M Zaglool, Yousif A W Khodari, Saeed A Al-Harthi
Congenital toxoplasmosis is associated with important morbidity and mortality. Since vertical transmission of Toxoplasma gondii can occur in acute cases, antenatal screening for recent infections is vital. Accurate determination of acute toxoplasmosis requires a combination of immunoassays, usually not routinely applied for screening purposes. This study evaluated the anti-T. gondii (IgG+IgM)/IgM prenatal screening procedure by IgG avidity assay. The routine prenatal screening for (IgG+IgM) anti-T. gondii by indirect hemagglutination (IHA) in serum samples was done of 2247 pregnant women who attended two hospitals between 2011 and 2013 revealed 487 (21...
April 2016: Journal of the Egyptian Society of Parasitology
Marios Liassides, Vasiliki Christodoulou, Joanna Moschandreas, Christos Karagiannis, George Mitis, Maria Koliou, Maria Antoniou
BACKGROUND: The protozoan parasite Toxoplasma gondii is important to human and animal health worldwide. This is the first study of prevalence of infection with T. gondii and associated risk factors in human populations and small ruminants in Cyprus. METHODS: A random sample of 18 schools out of 46 participated: 1056 girls aged 16 to 18 years completed a questionnaire and were serologically tested for Toxoplasma between 2008 and 2011 (response rate 30%). In addition, infection with T...
June 2016: Transactions of the Royal Society of Tropical Medicine and Hygiene
Monika Modrzejewska, Jacek Patalan, Urszula Kulik, Maria Beata Czeszyńska
The aim of this case report was to present extremely severe, ophthalmic complications in form of rare, congenital toxoplasmatic bilateral defect of eye-balls concomitant with advanced uveitis, microphthalmia and eye-multistructural developmental abnormalities leading to irreversible visual disability. The ocular diagnosis was confirmed in Ret-Cam II and ultrasonography and it was accompanied with congenital multiorgan lesions including hepato-splenomegaly, thrombocytopenia, leukomalacia, hydrocephalus and ventriculomegaly with neurological symptoms...
2016: Ginekologia Polska
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