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Congenital malaria

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https://www.readbyqxmd.com/read/29807309/assessment-of-the-inhibitory-activity-of-the-pyrethroid-pesticide-deltamethrin-against-human-placental-glutathione-transferase-p1-1-a-combined-kinetic-and-docking-study
#1
Victor Markus, Kerem Teralı, Ozlem Dalmizrak, Nazmi Ozer
Deltamethrin (DEL), which is a synthetic pyrethroid insecticide, has been used successfully all over the world to treat mosquito nets for the control of malaria. Glutathione S-transferases (GSTs; EC 2.5.1.18) catalyze the conjugation of reduced glutathione (GSH) to a variety of xenobiotics and are normally recognized as detoxification enzymes. Here, we used a colorimetric assay based on the human placental GSTP1-1 (hpGSTP1-1)-catalyzed reaction between GSH and the model substrate 1-chloro-2,4-dinitrobenzene (CDNB) as well as molecular docking to investigate the mechanistic and structural aspects of hpGSTP1-1 inhibition by DEL...
May 23, 2018: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/29764439/a-survey-on-outcomes-of-accidental-atovaquone-proguanil-exposure-in-pregnancy
#2
Kathrine R Tan, Jessica K Fairley, Mengxi Wang, Julie R Gutman
BACKGROUND: Malaria chemoprophylaxis options in pregnancy are limited, and atovaquone-proguanil (AP) is not recommended because of insufficient safety evidence. An anonymous, internet-based survey was disseminated to describe outcomes of pregnancies accidentally exposed to AP. Outcomes of interest included miscarriage (defined as pregnancy loss before 20 weeks), stillbirth (defined as pregnancy loss at or after 20 weeks), preterm birth or live birth prior to 37 weeks, and the presence of congenital anomalies...
May 15, 2018: Malaria Journal
https://www.readbyqxmd.com/read/29743113/high-production-of-pro-inflammatory-cytokines-by-maternal-blood-mononuclear-cells-is-associated-with-reduced-maternal-malaria-but-increased-cord-blood-infection
#3
Carlota Dobaño, Tamara Berthoud, Maria Nelia Manaca, Augusto Nhabomba, Caterina Guinovart, Ruth Aguilar, Arnoldo Barbosa, Penny Groves, Mauricio H Rodríguez, Alfons Jimenez, Lazaro M Quimice, John J Aponte, Jaume Ordi, Denise L Doolan, Alfredo Mayor, Pedro L Alonso
BACKGROUND: Increased susceptibility to malaria during pregnancy is not completely understood. Cellular immune responses mediate both pathology and immunity but the effector responses involved in these processes have not been fully characterized. Maternal and fetal cytokine and chemokine responses to malaria at delivery, and their association with pregnancy and childhood outcomes, were investigated in 174 samples from a mother and child cohort from Mozambique. Peripheral and cord mononuclear cells were stimulated with Plasmodium falciparum lysate and secretion of IL-12p70, IFN-γ, IL-2, IL-10, IL-8, IL-6, IL-4, IL-5, IL-1β, TNF, TNF-β was quantified in culture supernatants by multiplex flow cytometry while cellular mRNA expression of IFN-γ, TNF, IL-2, IL-4, IL-6, IL-10 and IL-13 was measured by quantitative PCR...
May 10, 2018: Malaria Journal
https://www.readbyqxmd.com/read/29723168/malaria-surveillance-united-states-2015
#4
Kimberly E Mace, Paul M Arguin, Kathrine R Tan
PROBLEM/CONDITION: Malaria in humans is caused by intraerythrocytic protozoa of the genus Plasmodium. These parasites are transmitted by the bite of an infective female Anopheles species mosquito. The majority of malaria infections in the United States occur among persons who have traveled to regions with ongoing malaria transmission. However, malaria is occasionally acquired by persons who have not traveled out of the country through exposure to infected blood products, congenital transmission, laboratory exposure, or local mosquitoborne transmission...
May 4, 2018: MMWR. Surveillance Summaries: Morbidity and Mortality Weekly Report. Surveillance Summaries
https://www.readbyqxmd.com/read/29712656/the-artemisinin-derivative-artemisone-is-a-potent-inhibitor-of-human-cytomegalovirus-replication
#5
E Oiknine-Djian, Y Weisblum, A Panet, H N Wong, R K Haynes, D G Wolf
Human cytomegalovirus (HCMV) is a major cause of disease in immunocompromised individuals and the most common cause of congenital infection and neuro-sensorial disease. The expanding target populations for HCMV antiviral treatment along with the limitations of the currently available HCMV DNA polymerase inhibitors underscore the need for new antiviral agents with alternative modes of action. The anti-malarial artemisinin derivative artesunate was shown to inhibit HCMV in vitro , yet has demonstrated limited antiviral efficacy in vivo , prompting our search for more potent anti-HCMV artemisinin derivatives...
April 30, 2018: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29678190/neonatal-and-congenital-malaria-a-case-series-in-malaria-endemic-eastern-uganda
#6
Peter Olupot-Olupot, Emma I E Eregu, Ketty Naizuli, Julie Ikiror, Linda Acom, Kathy Burgoine
BACKGROUND: Congenital malaria is the direct infection of an infant with malaria parasites from their mother prior to or during birth. Neonatal malaria is due to an infective mosquito bite after birth. Neonatal and congenital malaria (NCM) are potentially life-threatening conditions that are believed to occur at relatively low rates in malaria endemic regions. However, recent reports suggest that the number of NCM cases is increasing, and its epidemiology remains poorly described. NCM can mimic other neonatal conditions and because it is thought to be rare, blood film examinations for malaria are not always routinely performed...
April 20, 2018: Malaria Journal
https://www.readbyqxmd.com/read/29313481/case-report-severe-plasmodium-vivax-malaria-mimicking-sepsis-in-a-neonate
#7
Suryadi N N Tatura, Elizabeth Clarissa Wowor, Jose M Mandei, Rocky Wilar, Sarah M Warouw, Johnny Rompis, Priscilla Kalensang, Joseph Tuda
Severe congenital malaria associated with Plasmodium vivax is uncommon. In Indonesia, most congenital malaria cases are due to Plasmodium falciparum infections. Most cases of congenital or neonatal malaria in endemic areas are diagnosed from peripheral smear as part of routine sepsis workup. Differentiating congenital and acquired neonatal malaria is very difficult. The case presented in this study describes severe P. vivax malaria with cholestatic jaundice and sepsis-like signs and symptoms in neonates. The mother was asymptomatic and the neonate was successfully treated with intravenous artesunate...
March 2018: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29309376/a-case-with-pyruvate-kinase-deficiency-remarkably-sensitive-to-heat
#8
Tekin Aksu, Neşe Yarali, Elisa Fermo, Anna Marcello, Şadan Hacisalihoğlu, Paola Bianchi, Namik Y Özbek
Pyruvate kinase (PK) deficiency is the most common defect of the glycolytic pathway leading to congenital hemolytic anemia. We present the case of an 18-year-old boy with chronic nonspherocytic hemolytic anemia, who had remarkable sensitivity to heat. Moreover, the patient showed clinical impairment in the last year. For this reason, we excluded the immunologic or infectious nature (malaria, babesia), which may play a role in the worsening of anemia. Red blood cell enzyme assay showed the presence of a significant increase in other enzyme activities, except for PK, suggesting a PK deficiency in the patient...
January 5, 2018: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/29181956/infectious-diseases-in-poland-in-2015
#9
Małgorzata Sadkowska-Todys, Andrzej Zieliński, Mirosław P. Czarkowski
PURPOSE OF THE STUDY: This is the next annual analysis of the situation of infectious and parasitic diseases in Poland in 2015 within the framework of the Epidemiological Chronicle of Przegląd Epidemiologiczny - Epidemiological Review. Its purpose is to identify potential threats to the health of populations from infectious diseases occurring in Poland with reference to other parts of the globe. MATERIAL AND METHODS: This paper is an introduction to more detailed studies of the epidemiological situation of selected infectious diseases and summarizes the results of the surveillance of infectious diseases in Poland in 2015...
2017: Przegla̧d Epidemiologiczny
https://www.readbyqxmd.com/read/29150641/repurposing-of-the-anti-malaria-drug-chloroquine-for-zika-virus-treatment-and-prophylaxis
#10
Sergey A Shiryaev, Pinar Mesci, Antonella Pinto, Isabella Fernandes, Nicholas Sheets, Sujan Shresta, Chen Farhy, Chun-Teng Huang, Alex Y Strongin, Alysson R Muotri, Alexey V Terskikh
One of the major challenges of the current Zika virus (ZIKV) epidemic is to prevent congenital foetal abnormalities, including microcephaly, following ZIKV infection of pregnant women. Given the urgent need for ZIKV prophylaxis and treatment, repurposing of approved drugs appears to be a viable and immediate solution. We demonstrate that the common anti-malaria drug chloroquine (CQ) extends the lifespan of ZIKV-infected interferon signalling-deficient AG129 mice. However, the severity of ZIKV infection in these mice precludes the study of foetal (vertical) viral transmission...
November 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28674885/red-blood-cells-in-clinical-proteomics
#11
Ana Sofia Carvalho, Manuel S Rodriguez, Rune Matthiesen
Red blood cells (RBCs) are known for their role in oxygen and carbon dioxide transport. The main function of RBCs is directly linked to many diseases that cause low oxygen levels in tissues such as congenital heart disease in adults, chronic obstructive pulmonary disease, sleep apnea, sickle cell disease, etc. Red blood cells are a direct target for a number of parasitic diseases such as malaria (Plasmodium) and similar parasites of the phylum Apicomplexa (Toxoplasma, Theileria, Eimeria, Babesia, and Cryptosporidium)...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28662650/non-imported-malaria-in-non-endemic-countries-a-review-of-cases-in-spain
#12
REVIEW
Emilia Velasco, Diana Gomez-Barroso, Carmen Varela, Oliva Diaz, Rosa Cano
Spain declared the elimination of malaria in 1964. In non-endemic areas, the overwhelming majority of malaria cases are acquired abroad, and locally acquired infections are rare events. In Spain, malaria is a statutorily notifiable disease. During these fifty years more than ten thousand malaria cases have been reported, and about 0.8% of them did not have a history of recent travel. In this report, it was carried out a review of the ways in which malaria can be transmitted in non-endemic areas and a short description of the Spanish cases, aggregated by their transmission mechanisms...
June 29, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28542123/malaria-surveillance-united-states-2014
#13
Kimberly E Mace, Paul M Arguin
PROBLEM/CONDITION: Malaria in humans is caused by intraerythrocytic protozoa of the genus Plasmodium. These parasites are transmitted by the bite of an infective female Anopheles mosquito. The majority of malaria infections in the United States occur among persons who have traveled to regions with ongoing malaria transmission. However, malaria is occasionally acquired by persons who have not traveled out of the country through exposure to infected blood products, congenital transmission, laboratory exposure, or local mosquitoborne transmission...
May 26, 2017: MMWR. Surveillance Summaries: Morbidity and Mortality Weekly Report. Surveillance Summaries
https://www.readbyqxmd.com/read/28522856/diagnosing-congenital-malaria-in-a-high-transmission-setting-clinical-relevance-and-usefulness-of-p-falciparum-hrp2-based-testing
#14
Hamtandi Magloire Natama, Delwendé Florence Ouedraogo, Hermann Sorgho, Eduard Rovira-Vallbona, Elisa Serra-Casas, M Athanase Somé, Maminata Coulibaly-Traoré, Petra F Mens, Luc Kestens, Halidou Tinto, Anna Rosanas-Urgell
Congenital malaria diagnosis is challenging due to frequently observed low parasite density infections, while their clinical relevance during early infancy is not well characterized. In Nanoro health district (Burkina Faso), we determined the prevalence of congenital malaria by real-time quantitative PCR and we assessed the performance of rapid diagnosis test (RDT) and light microscopy (LM) to detect Plasmodium falciparum infections in cord-blood samples. In addition, we examined the usefulness of P. falciparum Histidine Rich Protein2 (PfHRP2) as surrogate biomarker of infection and explored association between congenital malaria and clinical outcomes...
May 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28463996/first-trimester-artemisinin-derivatives-and-quinine-treatments-and-the-risk-of-adverse-pregnancy-outcomes-in-africa-and-asia-a-meta-analysis-of-observational-studies
#15
Stephanie Dellicour, Esperança Sevene, Rose McGready, Halidou Tinto, Dominic Mosha, Christine Manyando, Stephen Rulisa, Meghna Desai, Peter Ouma, Martina Oneko, Anifa Vala, Maria Rupérez, Eusébio Macete, Clara Menéndez, Seydou Nakanabo-Diallo, Adama Kazienga, Innocent Valéa, Gregory Calip, Orvalho Augusto, Blaise Genton, Eric M Njunju, Kerryn A Moore, Umberto d'Alessandro, Francois Nosten, Feiko Ter Kuile, Andy Stergachis
BACKGROUND: Animal embryotoxicity data, and the scarcity of safety data in human pregnancies, have prevented artemisinin derivatives from being recommended for malaria treatment in the first trimester except in lifesaving circumstances. We conducted a meta-analysis of prospective observational studies comparing the risk of miscarriage, stillbirth, and major congenital anomaly (primary outcomes) among first-trimester pregnancies treated with artemisinin derivatives versus quinine or no antimalarial treatment...
May 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28399686/prevalence-of-congenital-malaria-in-newborns-of-mothers-co-infected-with-hiv-and-malaria-in-benin-city
#16
Fidelis Ewenitie Eki-Udoko, Ayebo E Sadoh, Michael O Ibadin, Augustine I Omoigberale
BACKGROUND: HIV and Plasmodium falciparum malaria co-infection annually complicates about one million pregnancies in sub-Saharan Africa. Congenital malaria (CM) has deleterious effects on newborns. Little is known about the effect of co-infections on the prevalence of CM in infants born by these women. This study was carried out to determine the prevalence of CM in newborns of mothers co-infected with HIV and malaria compared to HIV-negative mothers with malaria in Benin-City. METHODS: Subjects were 162 newborns of mothers co-infected with HIV and malaria...
August 2017: Infectious Diseases
https://www.readbyqxmd.com/read/28284211/a-systematic-review-of-the-clinical-presentation-treatment-and-relapse-characteristics-of-human-plasmodium-ovale-malaria
#17
REVIEW
Mirjam Groger, Hannah S Fischer, Luzia Veletzky, Albert Lalremruata, Michael Ramharter
BACKGROUND: Despite increased efforts to control and ultimately eradicate human malaria, Plasmodium ovale malaria is for the most part outside the focus of research or public health programmes. Importantly, the understanding of P. ovale-nowadays regarded as the two distinct species P. ovale wallikeri and P. ovale curtisi-largely stems from case reports and case series lacking study designs providing high quality evidence. Consecutively, there is a lack of systematic evaluation of the clinical presentation, appropriate treatment and relapse characteristics of P...
March 11, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28239760/incidence-and-outcome-of-acute-cardiorenal-syndrome-in-hospitalized-children
#18
Vivek Athwani, Maneesha Bhargava, Rahul Chanchlani, Amar Jeet Mehta
OBJECTIVES: To determine the incidence, etiology and outcome of Cardiorenal syndrome (CRS) in hospitalized children. METHODS: A prospective cohort study was carried out in 242 children between 6 mo to 18 y of age hospitalized with primary cardiac, renal or any systemic disorder at a tertiary care center in India. The primary outcome was the development of CRS. Univariate and multivariate logistic regression analysis were performed to determine the risk of mortality secondary to CRS...
June 2017: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/28077745/congenital-plasmodium-falciparum-malaria-in-washington-dc
#19
Melissa Del Castillo, Ann Marie Szymanski, Ariella Slovin, Edward C C Wong, Roberta L DeBiasi
Congenital malaria is rare in the United States, but is an important diagnosis to consider when evaluating febrile infants. Herein, we describe a case of congenital Plasmodium falciparum malaria in a 2-week-old infant born in the United States to a mother who had emigrated from Nigeria 3 months before delivery.
January 11, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/27976561/congenital-malaria-importance-of-diagnosis-and-treatment-in-pregnancy
#20
Selvi Gülaşı, Nureddin Özdener
Congenital malaria, in which infants are directly infected with malaria parasites from their mother prior to or during birth, is a potentially life-threatening condition that occurs at relatively low rates in malaria endemic regions. We report an unusual case of a 23-day-old girl with neonatal Plasmodium vivax malaria, suspected primarily on the basis of positive maternal history that her mother had malaria during her pregnancy and was cured with chloroquine therapy. Infant presented with fever, thrombocytopenia and a significant parasitemia...
2016: Turkish Journal of Pediatrics
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