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https://www.readbyqxmd.com/read/29679773/distinctive-infectious-complications-in-patients-with-central-nervous-system-lymphoma-undergoing-thiotepa-busulfan-and-cyclophosphamide-tbc-conditioned-autologous-stem-cell-transplantation
#1
Michael Scordo, Sejal M Morjaria, Eric R Littmann, Ankush Bhatia, Helen H Chung, Molly Maloy, Lisa M DeAngelis, Sergio A Giralt, Ying Taur, Craig S Sauter
We investigated the incidence of viral, fungal, bacterial, and parasitic infections observed in 57 patients with central nervous system lymphoma (CNSL) after TBC-ASCT and 79 patients with systemic NHL after traditional BEAM-ASCT. Twenty of 57 (35%) TBC-ASCT patients had detectable viremia with human herpesvirus 6 (HHV-6), cytomegalovirus (CMV), adenovirus (ADV), or BK virus (BKV), versus 9 of 79 (11%) BEAM-ASCT patients. Nine TBC-ASCT patients had clinically relevant viral infections (4 HHV-6, 2 CMV, 1 ADV, 2 BKV), versus 0 in the BEAM-ASCT group...
April 18, 2018: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29679745/integrated-genomic-and-metabolomic-profiling-of-isc1-an-emerging-leishmania-donovani-population-in-the-indian-subcontinent
#2
Bart Cuypers, Maya Berg, Hideo Imamura, Franck Dumetz, Géraldine De Muylder, Malgorzata A Domagalska, Suman Rijal, Narayan Raj Bhattarai, Ilse Maes, Mandy Sanders, James A Cotton, Pieter Meysman, Kris Laukens, Jean-Claude Dujardin
Leishmania donovani is the responsible agent for visceral leishmaniasis (VL) in the Indian subcontinent (ISC). The disease is lethal without treatment and causes 0.2 to 0.4 million cases each year. Recently, reports of VL in Nepalese hilly districts have increased as well as VL cases caused by L. donovani from the ISC1 genetic group, a new and emerging genotype. In this study, we perform for the first time an integrated, untargeted genomics and metabolomics approach to characterize ISC1, in comparison with the Core Group (CG), main population that drove the last outbreak of VL in the ISC...
April 18, 2018: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/29679707/enhanced-delivery-of-fixed-dose-combination-of-synergistic-antichagasic-agents-posaconazole-benznidazole-based-on-amorphous-solid-dispersions
#3
Camila Bezerra Melo Figueirêdo, Daniela Nadvorny, Amanda Carla Quintas de Medeiros Vieira, Giovanna Christinne Rocha de Medeiros Schver, José Lamartine Soares Sobrinho, Pedro José Rolim Neto, Ping I Lee, Monica Felts de La Roca Soares
Posaconazole (PCZ) and benznidazole (BNZ) are known to show synergetic effect in treating the acute and chronic phases of Chagas disease, a neglected parasitic disease. However, as both compounds are poorly water soluble, the development of amorphous solid dispersions (ASDs) of a PCZ/BNZ fixed-dose combination in a water-soluble polymer becomes an attractive option to increase their apparent solubility and dissolution rate, potentially improving their oral bioavailability. The initial approach was to explore solvent evaporated solid dispertion (SD) systems for a PCZ/BNZ 50:50 (wt%) combination at several total drug loading levels (from SD with 10% to 50% drug loading) in water-soluble carriers, including polyvinylpyrrolidone (PVP K-30) and vinylpyrrolidone-vinyl acetate copolymer (PVPVA 64)...
April 18, 2018: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29679605/circulating-cell-free-dna-in-patients-with-alveolar-echinococcosis
#4
Alice Baraquin, Eric Hervouet, Carine Richou, Pierre Flori, Paul Peixoto, Amel Azizi, Eric Delabrousse, Oleg Blagosklonov, Gerald Umhang, Solange Bresson-Hadni, Benoit Valot, Frédéric Grenouillet
Alveolar echinococcosis (AE) is a parasitic disease, due to Echinococcus multilocularis. Often compared to liver cancer, it develops by infiltration from its primary site to the surrounding tissue, and can then metastasize to other organs. Detection of circulating cell-free DNA (ccfDNA) is a useful analytical tool in oncology, for diagnosis, prognosis, and therapy monitoring. This study sought to investigate the presence of ccfDNA in patients with AE, and its potential usefulness for the evaluation of treatment efficiency...
April 18, 2018: Molecular and Biochemical Parasitology
https://www.readbyqxmd.com/read/29679594/design-and-synthesis-of-a-new-peptide-derived-from-fasciola-gigantica-cathepsin-l1-with-potential-application-in-serodiagnosis-of-fascioliasis
#5
Behnam Meshgi, Fatemeh Jalousian, Saeid Fathi, Zahra Jahani
Fascioliasis is a global parasitic disease that affects domestic animals and causes considerable economic losses in the process of domestic animal breeding in endemic regions. The cause of the disease involves a liver trematode of the genus Fasciola, which secretes materials into a host's body (mainly proteins) in order to protect it from the host's immune system. These materials can be involved in the migration, growth, and nutrition of the parasite. Among the expressive proteins of Fasciola, proteases have been introduced as the appropriate targets for diagnosis, treatment, and vaccination against parasites...
April 18, 2018: Experimental Parasitology
https://www.readbyqxmd.com/read/29679486/tblpn-a-key-enzyme-in-lipid-droplet-formation-and-phospholipid-metabolism-is-essential-for-mitochondrial-integrity-and-growth-of-trypanosoma-brucei
#6
Ladan Dawoody Nejad, Mauro Serricchio, Jennifer Jelk, Andrew Hemphill, Peter Bütikofer
Mammalian phosphatidic acid phosphatases, also called lipins, show high amino acid sequence identity to Saccharomyces cerevisiae Pah1p and catalyze the dephosphorylation of phosphatidic acid (PA) to diacylglycerol. Both the substrate and product of the reaction are key precursors for the synthesis of phospholipids and triacylglycerol (TAG). We now show that expression of the Trypanosoma brucei lipin homolog TbLpn is essential for parasite survival in culture. Inducible down-regulation of TbLpn in T. brucei procyclic forms increased cellular PA content, decreased the numbers of lipid droplets, reduced TAG steady-state levels and inhibited in vivo [3 H]TAG formation after labeling trypanosomes with [3 H]glycerol...
April 21, 2018: Molecular Microbiology
https://www.readbyqxmd.com/read/29679311/is-it-possible-to-manipulate-scelionidae-wasps-preference-to-a-target-host
#7
R Tognon, J Sant'Ana, L R Redaelli, A L Meyer
Parasitoid host selection is mainly mediated by chemical cues, which can be adjusted by experience, changing their innate behavior. Therefore, this study evaluated if immature experience (pre-imaginal conditioning) on eggs and volatiles from different host eggs has influence on parasitism and chemotaxic behavior of Telenomus podisi Ashmead and/or Trissolcus basalis Wollaston (Hymenoptera: Scelionidae). Both wasp species were submitted to a multiple-choice parasitism test among Euschistus heros (Fabricius), Piezodorus guildinii (Westwood), and Nezara viridula L...
April 20, 2018: Neotropical Entomology
https://www.readbyqxmd.com/read/29679042/effect-of-antimicrobial-peptides-from-galleria-mellonella-on-molecular-models-of-leishmania-membrane-thermotropic-and-fluorescence-anisotropy-study
#8
Isabel Andrea Patiño-Márquez, Marcela Manrique-Moreno, Edwin Patiño-González, Małgorzata Jemioła-Rzemińska, Kazimierz Strzałka
Antimicrobial peptides are molecules of natural origin, produced by organisms such as insects, which have focused attention as potential antiparasitic agents. They can cause the death of parasites such Leishmania by interacting with their membrane. In this study, additional information was obtained on how the anionic peptide 2 and cecropin D-like peptide derived from Galleria mellonella interact with liposomes that mimic the composition of the Leishmania membrane. In order to do this, lipid bilayers consisting of dipalmitoylphosphatidylcholine, dipalmitoylphosphatidylethanolamine, dimyristoylphosphatidylserine, and dimyristoylphosphatidylglycerol were constructed...
April 20, 2018: Journal of Antibiotics
https://www.readbyqxmd.com/read/29678960/toxoplasma-gondii-acetyl-coa-synthetase-is-involved-in-fatty-acid-elongation-of-long-fatty-acid-chains-during-tachyzoite-life-stages
#9
David Dubois, Stella Fernandes, Souad Amiar, Sheena Dass, Nicholas J Katris, Cyrille Y Botte, Yoshiki Yamaryo-Botte
Apicomplexan parasites are pathogens responsible for major human diseases such as toxoplasmosis caused by Toxoplasma gondii and malaria caused by Plasmodium spp.. Throughout their intracellular division cycle, the parasites require vast and specific amounts of lipids to divide and survive. This demand for lipids relies on a fine balance between de novo synthesized lipids and scavenged lipids from the host. Acetyl-CoA is a major and central precursor for many metabolic pathways especially for lipid biosynthesis...
April 20, 2018: Journal of Lipid Research
https://www.readbyqxmd.com/read/29678794/aggravated-gut-inflammation-in-mice-lacking-the-taste-signaling-protein-%C3%AE-gustducin
#10
Pu Feng, Jinghua Chai, Huilan Yi, Kevin Redding, Robert F Margolskee, Liquan Huang, Hong Wang
Inflammatory bowel disease (IBD) is a debilitating immune-related condition that affects over 1.4 million Americans. Recent studies indicate that taste receptor signaling is involved in much more than sensing food flavor, and taste receptors have been localized in a variety of extra-oral tissues. One of the newly revealed functions of taste receptors and downstream signaling proteins is modulation of immune responses to microbes and parasites. We previously found that components of the taste receptor signaling pathway are expressed in subsets of the intestinal epithelial cells...
April 17, 2018: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29678725/cloning-and-characterization-of-a-second-lamprey-pituitary-glycoprotein-hormone-thyrostimulin-gpa2-gpb5
#11
Krist N Hausken, Belen Tizo, Michal Shpilman, Shannon Barton, Wayne Decatur, David Plachetzki, Scott Kavanaugh, Sabah Ul-Hasan, Berta Levavi-Sivan, Stacia A Sower
A novel heterodimeric glycoprotein hormone (GpH) comprised of alpha (GpA2) and beta (GpB5) subunits was discovered in 2002 and called thyrostimulin for its ability to activate the TSH receptor in mammals, but its central function in vertebrates has not been firmly established. We report here the cloning and expression of lamprey (l)GpB5, and its ability to heterodimerize with lGpA2 to form a functional l-thyrostimulin. The full-length cDNA of lGpB5 encodes 174 amino acids with ten conserved cysteine residues and one glycosylation site that is conserved with other vertebrate GpB5 sequences...
April 17, 2018: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/29678683/long-term-affected-flat-oyster-ostrea-edulis-haemocytes-show-differential-gene-expression-profiles-from-na%C3%A3-ve-oysters-in-response-to-bonamia-ostreae
#12
P Ronza, A Cao, D Robledo, A Gómez-Tato, J A Álvarez-Dios, A F M Hasanuzzaman, M I Quiroga, A Villalba, B G Pardo, P Martínez
European flat oyster (Ostrea edulis) production has suffered a severe decline due to bonamiosis. The responsible parasite enters in oyster haemocytes, causing an acute inflammatory response frequently leading to death. We used an immune-enriched oligo-microarray to understand the haemocyte response to Bonamia ostreae by comparing expression profiles between naïve (NS) and long-term affected (AS) populations along a time series (1 d, 30 d, 90 d). AS showed a much higher response just after challenge, which might be indicative of selection for resistance...
April 17, 2018: Genomics
https://www.readbyqxmd.com/read/29678234/antibodies-to-in-silico-selected-gpi-anchored-theileria-parva-proteins-neutralize-sporozoite-infection-in-vitro
#13
James Nyagwange, Vishvanath Nene, Stephen Mwalimu, Sonal Henson, Lucilla Steinaa, Benjamin Nzau, Edwin Tijhaar, Roger Pelle
East Coast fever (ECF) caused by Theileria parva kills cattle in East, Central and Southern Africa leading to significant economic losses. Vaccination is used as a control strategy against ECF and is presently dependent on deliberate infection with live sporozoites and simultaneous treatment with a long-acting oxytetracycline. Although effective, this method has serious limitations; the immunity is parasite strain specific and immunized cattle can become life-long asymptomatic carriers of the parasite, posing risk for the spread of the disease...
May 2018: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/29678224/evaluation-of-the-mucosal-inflammatory-responses-to-equine-cyathostomins-in-response-to-anthelmintic-treatment
#14
A E Steuer, A T Loynachan, M K Nielsen
Members of Cyathostominae are pervasive parasites of equids that can cause larval cyathostominosis, a potentially life-threatening disease that occurs when a multitude of encysted larvae synchronously excyst from the wall of the large intestine. Moxidectin and fenbendazole are the two current labeled drugs that target the encysted larval stages; however, there is limited knowledge of the local inflammatory response to the larvae and to the two treatments in clinically healthy horses. This study is the first to evaluate the local inflammatory response to cyathostomin larvae and to larvicidal treatment at 2 and 5 weeks post treatment...
May 2018: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/29678203/quantitative-shotgun-proteomics-distinguishes-wound-healing-biomarker-signatures-in-common-carp-skin-mucus-in-response-to-ichthyophthirius-multifiliis
#15
Mona Saleh, Gokhlesh Kumar, Abdel-Azeem Abdel-Baki, Mohamed A Dkhil, Mansour El-Matbouli, Saleh Al-Quraishy
Ichthyophthirius multifiliis is a ciliated protozoan parasite recognized as one of the most pathogenic diseases of wild and cultured freshwater fish. Fish skin mucus plays a significant role against invading pathogens. However, the protein-based modulation against infection with I. multifiliis, of host fish at this barrier is unknown. Thus, we investigated the skin mucus proteome of common carp using a shotgun proteomic approach at days 1 and 9 after I. multifiliis exposure. We identified 25 differentially expressed proteins in infected carp skin mucus...
April 20, 2018: Veterinary Research
https://www.readbyqxmd.com/read/29678200/correction-to-prevalence-of-and-risk-factors-for-malaria-filariasis-and-intestinal-parasites-as-single-infections-or-co-infections-in-different-settlements-of-gabon-central-africa
#16
Noé Patrick M'bondoukwé, Eric Kendjo, Denise Patricia Mawili-Mboumba, Jeanne Vanessa Koumba Lengongo, Christelle Offouga Mbouoronde, Dieudonné Nkoghe, Fousseyni Touré, Marielle Karine Bouyou-Akotet
Unfortunately, the original article [1] contained some errors. The table title of Tables 4, 5, 6, 7 were interchanged by mistake and displayed incorrectly in the article. The correct table titles of Tables 4, 5, 6, 7 can be found below.
April 20, 2018: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/29678190/neonatal-and-congenital-malaria-a-case-series-in-malaria-endemic-eastern-uganda
#17
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/29678115/characterization-of-plasmodium-falciparum-atypical-kinase-pfpk7-dependent-phosphoproteome
#18
Brittany N Pease, Edward L Huttlin, Mark P Jedrychowski, Dominique Dorin-Semblat, Daniela Sebastiani, Daniel T Segarra, Bracken F Roberts, Ratna Chakrabarti, Christian Doerig, Steven P Gygi, Debopam Chakrabarti
PfPK7 is an "orphan" kinase displaying regions of homology to multiple protein kinase families. PfPK7 functions in regulating parasite proliferation/development as evident from the phenotype analysis of knockout parasites. Despite this regulatory role, the functions of PfPK7 in signaling pathways are not known. To better understand PfPK7-regulated phosphorylation events, we performed isobaric tag-based quantitative comparative phosphoproteomics of the schizont and segmenter stages from wild-type and pfpk7- parasite lines...
April 20, 2018: Journal of Proteome Research
https://www.readbyqxmd.com/read/29677637/the-prevalence-of-molecular-markers-of-drug-resistance-in-plasmodium-vivax-from-the-border-regions-of-thailand-in-2008-and-2014
#19
Kritpaphat Tantiamornkul, Tepanata Pumpaibool, Jittima Piriyapongsa, Richard Culleton, Usa Lek-Uthai
The prevalence of Plasmodium vivax is increasing in the border regions of Thailand; one potential problem confounding the control of malaria in these regions is the emergence and spread of drug resistance. The aim of this study was to determine the genetic diversity in genes potentially linked to drug resistance in P. vivax parasites isolated from four different border regions of Thailand; Thai-Myanmar (Tak, Mae Hong Son and Prachuap Khiri Khan Provinces), and Thai-Cambodian borders (Chanthaburi Province). Isolates were collected from 345 P...
April 12, 2018: International Journal for Parasitology, Drugs and Drug Resistance
https://www.readbyqxmd.com/read/29677189/progress-in-the-pharmacological-treatment-of-human-cystic-and-alveolar-echinococcosis-compounds-and-therapeutic-targets
#20
Mar Siles-Lucas, Adriano Casulli, Roberto Cirilli, David Carmena
Human cystic and alveolar echinococcosis are helmintic zoonotic diseases caused by infections with the larval stages of the cestode parasites Echinococcus granulosus and E. multilocularis, respectively. Both diseases are progressive and chronic, and often fatal if left unattended for E. multilocularis. As a treatment approach, chemotherapy against these orphan and neglected diseases has been available for more than 40 years. However, drug options were limited to the benzimidazoles albendazole and mebendazole, the only chemical compounds currently licensed for treatment in humans...
April 20, 2018: PLoS Neglected Tropical Diseases
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