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https://www.readbyqxmd.com/read/29707654/first-report-of-the-presence-of-l1014s-knockdown-resistance-mutation-in-anopheles-gambiae-s-s-and-anopheles-coluzzii-from-togo-west-africa
#1
Innocent Djègbè, Romaric Akoton, Genevieve Tchigossou, Koffi Mensah Ahadji-Dabla, Seun Michael Atoyebi, Razack Adéoti, Francis Zeukeng, Guillaume Koffivi Ketoh, Rousseau Djouaka
Background: To optimize the success of insecticide-based malaria control intervention, knowledge of the distribution of Anopheles gambiae species and insecticide resistance mechanisms is necessary. This paper reported an updated data on pyrethroids/DDT resistance in the An. gambiae s.l population from Togo.  Methods: From December 2013 to April 2015, females of indoor-resting An. gambiae s.l were captured in three locations belonging to three different ecological zones. Resistance to DDT, permethrin and deltamethrin was screened in F1 progeny of collected mosquitoes using WHO susceptibility tests...
2018: Wellcome Open Research
https://www.readbyqxmd.com/read/29609597/targeted-application-of-an-organophosphate-based-paint-applied-on-windows-and-doors-against-anopheles-coluzzii-resistant-to-pyrethroids-under-real-life-conditions-in-vall%C3%A3-e-du-kou-burkina-faso-west-africa
#2
Serge B Poda, Dieudonné D Soma, Aristide Hien, Moussa Namountougou, Olivier Gnankiné, Abdoulaye Diabaté, Florence Fournet, Thierry Baldet, Santiago Mas-Coma, Beatriz Mosqueira, Roch K Dabiré
BACKGROUND: A novel strategy applying an organophosphate-based insecticide paint on doors and windows in combination with long-lasting insecticide-treated nets (LLINs) was tested for the control of pyrethroid-resistant malaria vectors in a village setting in Vallée du Kou, a rice-growing area west of Burkina Faso. METHODS: Insecticide Paint Inesfly 5A IGR™, comprised of two organophosphates and an insect growth regulator, was applied to doors and windows and tested in combination with pyrethroid-treated LLINs...
April 2, 2018: Malaria Journal
https://www.readbyqxmd.com/read/29592796/c3-glomerulopathy-in-cystic-fibrosis-a-case-report
#3
Domenico Santoro, Rossella Siligato, Carmela Vadalà, Mariacristina Lucanto, Simona Cristadoro, Giovanni Conti, Michele Buemi, Stefano Costa, Ettore Sabadini, Giuseppe Magazzù
BACKGROUND: C3 glomerulonephritis is a rare glomerulopathy characterized at renal biopsy by C3 deposition, alone or with scanty immunoglobulins, as well as by an electron-dense material in mesangium, subendothelial and subepithelial space. An abnormal systemic activation of the alternative pathway of the complement cascade is responsible for the development of the disease if triggered by several possible environmental conditions. We report the first case in literature of a patient affected by cystic fibrosis and C3GN...
March 28, 2018: BMC Nephrology
https://www.readbyqxmd.com/read/29582957/-renal-manifestation-of-autosomal-dominant-polycystic-kidney-disease
#4
Marco Galliani, Silvana Chicca, Elio Vitaliano, Luca Di Lullo, Konstantinos Giannakakis, Antonio Paone
Autosomal dominant polycystic kidney disease affects over 12 million people in the world and is the fourth cause of ESRD. It is the main monogenic kidney disease and causes the progressive formation of cysts leading to renal failure after a few decades. The main manifestations of the disease are observed even at a young age. The early sign of ADPKD is impaired urinary concentrating capacity, due to medullary alteration by cysts, and resistance to vasopressin. These anatomical alterations determine hyperfiltration, altered ammonium transport, nephrolithiasis, and, above all, hypertension even in pediatric age...
March 2018: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/29499720/the-current-insecticide-resistance-status-of-anopheles-gambiae-s-l-culicidae-in-rural-and-urban-areas-of-bouak%C3%A3-c%C3%A3-te-d-ivoire
#5
Dounin Danielle Zoh, Ludovic Phamien Ahoua Alou, Mahama Toure, Cédric Pennetier, Soromane Camara, Dipomin François Traore, Alphonsine Amanan Koffi, Akré Maurice Adja, Ahoua Yapi, Fabrice Chandre
BACKGROUND: Several studies were carried out in experimental hut station in areas surrounding the city of Bouaké, after the crisis in Côte d'Ivoire. They reported increasing resistance levels to insecticide for malaria transmiting mosquitoes. The present work aims to evaluate the current resistance level of An. gambiae (s.l.) in rural and urban areas in the city of Bouaké. METHODS: Larvae of Anopheles gambiae (s.l.) were collected from five different study sites and reared to adult stages...
March 2, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29357900/insecticide-resistance-and-target-site-mutations-g119s-ace-1-and-l1014f-kdr-of-culex-pipiens-in-morocco
#6
Fatim-Zohra Tmimi, Chafika Faraj, Meriem Bkhache, Khadija Mounaji, Anna-Bella Failloux, M'hammed Sarih
BACKGROUND: Control of the mosquito vector Culex pipiens with insecticides is the main way to control arboviruses that the species can transmit such as West Nile virus (WNV) and Rift Valley fever virus (RVFV). However, its efficiency has been hampered by the emergence of insecticide resistance. Little is known about the insecticide-resistance status and underlying resistance mechanisms of field-collected populations of Cx. pipiens in Morocco. METHODS: Mosquito adults from Mohammadia city in Morocco were reared from immature stages...
January 22, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29310704/mapping-insecticide-resistance-in-anopheles-gambiae-s-l-from-c%C3%A3-te-d-ivoire
#7
Soromane Camara, Alphonsine A Koffi, Ludovic P Ahoua Alou, Kouakou Koffi, Jean-Paul K Kabran, Aboubacar Koné, Mathieu F Koffi, Raphaël N'Guessan, Cédric Pennetier
BACKGROUND: Insecticide resistance in malaria vectors is an increasing threat to vector control tools currently deployed in endemic countries. Resistance management must be an integral part of National Malaria Control Programmes' (NMCPs) next strategic plans to alleviate the risk of control failure. This obviously will require a clear database on insecticide resistance to support the development of such a plan. The present work gathers original data on insecticide resistance between 2009 and 2015 across Côte d'Ivoire in West Africa...
January 8, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29310338/genetic-polymorphism-of-angiotensin-converting-enzyme-and-hypertrophic-cardiomyopathy-risk-a-systematic-review-and-meta-analysis
#8
REVIEW
Ye Yuan, Lin Meng, Yan Zhou, Na Lu
BACKGROUND: Genetic factors in the pathogenesis of cardiomyopathies have received a lot of attention during the past 2 decades. Some studies have reported that angiotensin-converting enzyme (ACE) gene has been associated with hypertrophic cardiomyopathy (HCM). However, there have been inconsonant results among different studies. To clarify the influence of ACE on HCM, a systemic review and meta-analysis of case-control studies were performed. METHODS: The following databases were searched to indentify related studies: PubMed database, the Embase database, the Cochrane Central Register of Controlled Trials database, China National Knowledge Information database, and Chinese Scientific and Technological Journal database...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29230902/the-evolutionary-fate-of-heterogeneous-gene-duplications-a-precarious-overdominant-equilibrium-between-environment-sublethality-and-complementation
#9
Pascal Milesi, Benoît S Assogba, Célestine M Atyame, Nicolas Pocquet, Arnaud Berthomieu, Sandra Unal, Patrick Makoundou, Mylène Weill, Pierrick Labbé
Gene duplications occur at a high rate. Although most appear detrimental, some homogeneous duplications (identical gene copies) can be selected for beneficial increase in produced proteins. Heterogeneous duplications, which combine divergent alleles of a single locus, are seldom studied due to the paucity of empirical data. We investigated their role in an ongoing adaptive process at the ace-1 locus in Culex pipiens mosquitoes. We assessed the worldwide diversity of the ace-1 alleles (single-copy, susceptible S and insecticide-resistant R, and duplicated D that pair one S and one R copy), analysed their phylogeography and measured their fitness to understand their early dynamics using population genetics models...
December 12, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/29115954/malaria-vectors-in-the-democratic-republic-of-the-congo-the-mechanisms-that-confer-insecticide-resistance-in-anopheles-gambiae-and-anopheles-funestus
#10
Luisa Nardini, Richard H Hunt, Yael L Dahan-Moss, Nanette Christie, Riann N Christian, Maureen Coetzee, Lizette L Koekemoer
BACKGROUND: The Democratic Republic of the Congo (DRC) is characterized as a holoendemic malaria area with the main vectors being Anopheles funestus and members of the Anopheles gambiae complex. Due to political instability and socio-economic challenges in the region, knowledge of insecticide resistance status and resistance mechanisms in these vectors is limited. Mosquitoes were collected from a mining site in the north-eastern part of the country and, following identification, were subjected to extensive testing for the target-site and biochemical basis of resistance...
November 7, 2017: Malaria Journal
https://www.readbyqxmd.com/read/29075780/association-of-tumor-her3-messenger-rna-expression-with-panitumumab-efficacy-in-advanced-colorectal-cancer
#11
Jenny F Seligmann, Ace J Hatch, Susan D Richman, Faye Elliott, Bart Jacobs, Sarah Brown, Herbert Hurwitz, Jennifer H Barrett, Philip Quirke, Andrew B Nixon, Matthew T Seymour
Importance: Epidermal growth factor receptor (EGFR) (HER1) signaling depends on ligand binding and dimerization with itself or other HER receptors. We previously showed in a randomized trial that high EGFR ligand expression is predictive of panitumumab benefit in advanced colorectal cancer. Tumor expression of HER3 may further refine the RAS wild-type (wt) population benefitting from anti-EGFR agents. Objective: To examine HER3 messenger RNA expression as a prognostic and predictive biomarker for anti-EGFR therapy in a randomized clinical trial of panitumumab...
October 26, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28976972/the-creation-and-selection-of-mutations-resistant-to-a-gene-drive-over-multiple-generations-in-the-malaria-mosquito
#12
Andrew M Hammond, Kyros Kyrou, Marco Bruttini, Ace North, Roberto Galizi, Xenia Karlsson, Nace Kranjc, Francesco M Carpi, Romina D'Aurizio, Andrea Crisanti, Tony Nolan
Gene drives have enormous potential for the control of insect populations of medical and agricultural relevance. By preferentially biasing their own inheritance, gene drives can rapidly introduce genetic traits even if these confer a negative fitness effect on the population. We have recently developed gene drives based on CRISPR nuclease constructs that are designed to disrupt key genes essential for female fertility in the malaria mosquito. The construct copies itself and the associated genetic disruption from one homologous chromosome to another during gamete formation, a process called homing that ensures the majority of offspring inherit the drive...
October 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28930579/using-comparative-genomics-to-decode-the-genetics-of-acaricide-resistance
#13
Janice P Van Zee, Catherine A Hill
The availability of genome assemblies and other genomic resources is facilitating investigations of complex genetic traits for several species of ticks. Understanding the genetics of acaricide resistance is a priority for tick and tick-borne disease control. The synaptic enzyme acetylcholinesterase (ACE) is recognized as the target of organophosphates (OPs) and carbamates, and mutations in ACE have been tied to resistance. Multiple studies support three ACE (ace) loci in R. microplus but the molecular basis of OP-resistance in this tick remains elusive...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28873462/genetic-analysis-of-indel-markers-in-three-loci-associated-with-parkinson-s-disease
#14
Zhixin Huo, Xiaoguang Luo, Xiaoni Zhan, Qiaohong Chu, Qin Xu, Jun Yao, Hao Pang
The causal mutations and genetic polymorphisms associated with susceptibility to Parkinson's disease (PD) have been extensively described. To explore the potential contribution of insertion (I)/deletion (D) polymorphisms (indels) to the risk of PD in a Chinese population, we performed genetic analyses of indel loci in ACE, DJ-1, and GIGYF2 genes. Genomic DNA was extracted from venous blood of 348 PD patients and 325 age- and sex-matched controls without neurodegenerative disease. Genotyping of the indel loci was performed by fragment length analysis after PCR and DNA sequencing...
2017: PloS One
https://www.readbyqxmd.com/read/28870615/luspatercept-for-the-treatment-of-anaemia-in-patients-with-lower-risk-myelodysplastic-syndromes-pace-mds-a-multicentre-open-label-phase-2-dose-finding-study-with-long-term-extension-study
#15
MULTICENTER STUDY
Uwe Platzbecker, Ulrich Germing, Katharina S Götze, Philipp Kiewe, Karin Mayer, Jörg Chromik, Markus Radsak, Thomas Wolff, Xiaosha Zhang, Abderrahmane Laadem, Matthew L Sherman, Kenneth M Attie, Aristoteles Giagounidis
BACKGROUND: Myelodysplastic syndromes are characterised by ineffective erythropoiesis. Luspatercept (ACE-536) is a novel fusion protein that blocks transforming growth factor beta (TGF β) superfamily inhibitors of erythropoiesis, giving rise to a promising new investigative therapy. We aimed to assess the safety and efficacy of luspatercept in patients with anaemia due to lower-risk myelodysplastic syndromes. METHODS: In this phase 2, multicentre, open-label, dose-finding study (PACE-MDS), with long-term extension, eligible patients were aged 18 years or older, had International Prognostic Scoring System-defined low or intermediate 1 risk myelodysplastic syndromes or non-proliferative chronic myelomonocytic leukaemia (white blood cell count <13 000/μL), and had anaemia with or without red blood cell transfusion support...
October 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28835269/insecticide-resistance-status-of-three-malaria-vectors-anopheles-gambiae-s-l-an-funestus-and-an-mascarensis-from-the-south-central-and-east-coasts-of-madagascar
#16
Jean-Desire Rakotoson, Christen M Fornadel, Allison Belemvire, Laura C Norris, Kristen George, Angela Caranci, Bradford Lucas, Dereje Dengela
BACKGROUND: Insecticide-based vector control, which comprises use of insecticide-treated bed nets (ITNs) and indoor residual spraying (IRS), is the key method to malaria control in Madagascar. However, its effectiveness is threatened as vectors become resistant to insecticides. This study investigated the resistance status of malaria vectors in Madagascar to various insecticides recommended for use in ITNs and/or IRS. METHODS: WHO tube and CDC bottle bioassays were performed on populations of Anopheles gambiae (s...
August 23, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28693417/ace-an-efficient-and-sensitive-tool-to-detect-insecticide-resistance-associated-mutations-in-insect-acetylcholinesterase-from-rna-seq-data
#17
Dianhao Guo, Jiapeng Luo, Yuenan Zhou, Huamei Xiao, Kang He, Chuanlin Yin, Jianhua Xu, Fei Li
BACKGROUND: Insecticide resistance is a substantial problem in controlling agricultural and medical pests. Detecting target site mutations is crucial to manage insecticide resistance. Though PCR-based methods have been widely used in this field, they are time-consuming and inefficient, and typically have a high false positive rate. Acetylcholinesterases (Ace) is the neural target of the widely used organophosphate (OP) and carbamate insecticides. However, there is not any software available to detect insecticide resistance associated mutations in RNA-Seq data at present...
July 10, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28682033/-adpkd-and-heart
#18
REVIEW
Francesca Liut, Claudia Izzi, Nadia Dallera, Francesco Scolari
Autosomal Polycystic Kidney Disease ( ADPKD) is the most common inherited renal disease. ADPKD is caused by mutations in PKD1 and PKD2, encoding polycystin 1 and 2, respectively. ADPKD is a systemic disease, with renal and extrarenal involvement. Renal disease is characterized by formation and growth of cysts, with progressive destruction of renal parenchyma and development of End Stage Renal Disease (ESRD) in about 50% of affected individuals at the age of 60 years. Extrarenal disease usually involves the liver, heart and vasculature...
March 2017: Giornale Italiano di Nefrologia: Organo Ufficiale Della Società Italiana di Nefrologia
https://www.readbyqxmd.com/read/28649568/a-prothrombotic-score-based-on-genetic-polymorphisms-of-the-hemostatic-system-differs-in-patients-with-ischemic-stroke-myocardial-infarction-or-peripheral-arterial-occlusive-disease
#19
Juliane Herm, Berthold Hoppe, Bob Siegerink, Christian H Nolte, Jürgen Koscielny, Karl Georg Haeusler
BACKGROUND: While twin studies indicate a genetic component in arterial thrombosis such as ischemic stroke, myocardial infarction (MI), or peripheral arterial occlusive disease (PAOD), the clinical relevance of hemostatic polymorphisms in arterial thrombosis is a matter of debate. METHODS: We analyzed the prevalence of 13 hemostatic polymorphisms [PAI-1, PLAT, F5 (including factor V Leiden and HR2 haplotype), F2, F7, F13A, FGB, TFPI, THBD, MTHFR, ACE, and ITGA2] in patients referred to a tertiary referral center...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28621557/a-positive-association-between-the-human-tissue-kallikerin-gene-a2233c-polymorphism-and-blood-pressure-response-to-benazepril
#20
Zhe Hong, Liying Pan, Jiali Fei, Zhangqing Ma, Zongyuan Hong
BACKGROUND: It is generally believed that essential hypertension is influenced by both genetic and environmental factors, as well as their interactions. Tissue kallikrein encoded by the tissue kallikrein gene (KLK1) is a key serine proteinase of kallikrein-kinin system, which is capable of generating potent vasactive peptides, kinins, by selective cleavage of the kininogen substrate. It was reported that the A2233 → C polymorphism in KLK1 gene is associated with essential hypertension...
2017: Clinical and Experimental Hypertension: CHE
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