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https://www.readbyqxmd.com/read/27920275/hypermethylation-of-brain-natriuretic-peptide-bnp-gene-is-associated-with-the-risk-of-rheumatic-heart-disease
#1
Ni Li, Dawei Zheng, Lebo Sun, Huoshun Shi, Xiuying Zhu, Guodong Xu, Qinning Wang, Caimin Zhu, Guofeng Shao
To investigate the contribution of BNP promoter DNA methylation to the risk of rheumatic heart disease (RHD) and the influence of warfarin anticoagulant therapy on BNP methylation levels for RHD patients after surgery.BNP methylation levels were determined by bisulfite pyrosequencing from plasma samples of RHD patients compared with healthy controls. Several factors influencing the RHD patients were included age, smoking, and cholesterol levels. A fragment of 5 CG sites (CpG1-5) in the promoter region of BNP gene was measured...
December 5, 2016: Bioscience Reports
https://www.readbyqxmd.com/read/27918954/interleukin-10-role-in-increasing-susceptibility-and-pathogenesis-of-rheumatic-fever-rheumatic-heart-disease
#2
REVIEW
Neha Sharma, Devinder Toor
Streptococcus pyogenes (group A streptococcus) causes rheumatic fever (RF) which later progresses towards rheumatic heart disease (RHD) in the susceptible individuals. RF and RHD both contribute towards increasing global burden of disease, especially in developing countries. RHD is one of the most common acquired heart diseases causing permanent damage to heart valves which ultimately leads to heart failure. In RHD, heart valve lesions are formed which are mediated by autoimmune reaction between streptococcal antigens (M protein and group A carbohydrate epitope GlcNAc) and heart tissues...
December 2, 2016: Cytokine
https://www.readbyqxmd.com/read/27913973/emergence-of-new-virulent-rabbit-hemorrhagic-disease-virus-strains-in-saudi-arabia
#3
Mahmoud M Ismail, Mahmoud H A Mohamed, Ibrahim M El-Sabagh, Mohamed A Al-Hammadi
Rabbit hemorrhagic disease is an acute fatal highly contagious viral infectious disease that causes high losses among rabbitries. The disease was first reported in China in 1984 and later on in Saudi Arabia in 1996. The aim of this study was to investigate the emergence and pathogenicity of new rabbit hemorrhagic disease virus (RHDV) strains in Saudi Arabia. The pathogenicity was confirmed by inoculation in susceptible rabbits. Three RHDV strains were detected by reverse transcriptase polymerase chain reaction (RT-PCR) using primers targeting VP60 capsid protein gene in infected rabbitries during 2012 and 2013...
December 2, 2016: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/27913419/benzene-degradation-by-variovorax-sp-within-a-coal-tar-contaminated-groundwater-microbial-community
#4
Kevin M Posman, Christopher M DeRito, Eugene L Madsen
: Investigations of environmental microbial communities are crucial for the discovery of populations capable of degrading hazardous compounds and may lead to improved bioremediation strategies. The goal of this study was to identify microorganisms responsible for aerobic benzene degradation in coal-tar contaminated groundwater. Benzene degradation was monitored in laboratory incubations of well waters using gas chromatography mass spectrometry (GC/MS). Stable isotope probing (SIP) experiments using (13)C-benzene allowed us to obtain (13)C-labled community DNA; from this, 16S rRNA clone libraries identified γ- and β-Proteobacteria as the active benzene metabolizing microbial populations...
December 2, 2016: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/27908909/dtb-select-12-december-2016
#5
(no author information available yet)
Azithromycin of no benefit for asthma attacks ● Risk of heart failure with NSAIDs ● Bisphosphonates and steroid-induced osteoporosis ● Triple therapy for moderate-to-severe COPD: marginal benefits ● Much data on adverse events remains unpublished ● Rising placebo response rates in antidepressant trials a 'myth' ● Prenatal fetal RhD testing recommended.
December 1, 2016: Drug and Therapeutics Bulletin
https://www.readbyqxmd.com/read/27904843/cardiac-surgery-in-africa-a-thirty-five-year-experience-on-open-heart-surgery-in-cote-d-ivoire
#6
Koffi Herve Yangni-Angate, Christophe Meneas, Florent Diby, Manga Diomande, Anicet Adoubi, Yves Tanauh
BACKGROUND: Few centers for open heart surgery (OHS) are in Sub-Saharan Africa. Lack of OHS results is also noted. By reporting our African experience on OHS, the aim of this study was to fill the gap. METHODS: It is a retrospective study on 2,612 patients who were subject to an OHS between 1978 and 2013. Data were collected from demographical, clinical, investigative studies, surgical and outcomes parameters. RESULTS: There were 1,475 cases of rheumatic heart diseases (RHD), 126 endomyocardial fibrosis (EMF), 741 congenital heart diseases (CHDs) and 270 various affections...
October 2016: Cardiovascular Diagnosis and Therapy
https://www.readbyqxmd.com/read/27893356/single-stranded-dna-aptamer-targeting-and-neutralization-of-anti-d-alloantibody-a-potential-therapeutic-strategy-for-haemolytic-diseases-caused-by-rhesus-alloantibody
#7
Yinze Zhang, Fan Wu, Manni Wang, Naibao Zhuang, Huayou Zhou, Hua Xu
BACKGROUND: Rhesus (Rh) D antigen is the most important antigen in the Rh blood group system because of its strong immunogenicity. When RhD-negative individuals are exposed to RhD-positive blood, they may produce anti-D alloantibody, potentially resulting in delayed haemolytic transfusion reactions and Rh haemolytic disease of the foetus and newborn, which are difficult to treat. Inhibition of the binding of anti-D antibody with RhD antigens on the surface of red blood cells may effectively prevent immune haemolytic diseases...
November 11, 2016: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/27892861/effects-of-myxoma-virus-and-rabbit-hemorrhagic-disease-virus-on-the-physiological-condition-of-wild-european-rabbits-is-blood-biochemistry-a-useful-monitoring-tool
#8
Isabel Pacios-Palma, Simone Santoro, Alejandro Bertó-Moran, Sacramento Moreno, Carlos Rouco
Myxomatosis and rabbit hemorrhagic disease (RHD) are the major viral diseases that affect the wild European rabbit (Oryctolagus cuniculus). These diseases arrived in Europe within the last decades and have caused wild rabbit populations to decline dramatically. Both viruses are currently considered to be endemic in the Iberian Peninsula; periodic outbreaks that strongly impact wild populations regularly occur. Myxoma virus (MV) and rabbit hemorrhagic disease virus (RHDV) alter the physiology of infected rabbits, resulting in physical deterioration...
October 1, 2016: Research in Veterinary Science
https://www.readbyqxmd.com/read/27889087/characterisation-of-the-phenanthrene-degradation-related-genes-and-degrading-ability-of-a-newly-isolated-copper-tolerant-bacterium
#9
Mengke Song, Ying Yang, Longfei Jiang, Qing Hong, Dayi Zhang, Zhenguo Shen, Hua Yin, Chunling Luo
A copper-tolerant phenanthrene (PHE)-degrading bacterium, strain Sphingobium sp. PHE-1, was newly isolated from the activated sludge in a wastewater treatment plant. Two key genes, ahdA1b-1 encoding polycyclic aromatic hydrocarbon ring-hydroxylating dioxygenase (PAH-RHDɑ) and xyLE encoding catechol-2,3-dioxygenase (C23O), involved in the PHE metabolism by strain PHE-1 were identified. The PAH-RHD gene cluster showed 96% identity with the same cluster of Sphingomonas sp. P2. Our results indicated the induced transcription of xylE and ahdA1b-1 genes by PHE, simultaneously promoted by Cu(II)...
January 2017: Environmental Pollution
https://www.readbyqxmd.com/read/27886787/rheumatic-heart-disease-the-unfinished-global-agenda
#10
REVIEW
Shanti Nulu, Gene Bukhman, Gene F Kwan
Primarily affecting the young, rheumatic heart disease (RHD) is a neglected chronic disease commonly causing premature morbidity and mortality among the global poor. Standard clinical prevention and treatment is based on studies from the early antimicrobial era, as research investment halted soon after the virtual eradication of the disease from developed countries. The emergence of new global data on disease burden, new technologies, and a global health equity platform have revitalized interest and investment in RHD...
February 2017: Cardiology Clinics
https://www.readbyqxmd.com/read/27883978/outcomes-of-borderline-rheumatic-heart-disease-a-prospective-cohort-study
#11
Geneviève Bertaina, Bernard Rouchon, Bertrand Huon, Nina Guillot, Corinne Robillard, Baptiste Noël, Marie Nadra, Christophe Tribouilloy, Eloi Marijon, Xavier Jouven, Mariana Mirabel
CONTEXT AND AIMS: The advent of systematic screening for rheumatic heart disease (RHD) by echocardiography in endemic regions has led to a new entity: borderline RHD. The pathogenicity and natural history of borderline RHD needs to be addressed. The aim of this study was to assess the outcomes of children detected by echocardiography as having borderline RHD. METHODS: Schoolchildren in 4th grade (i.e., aged 9-10years) who were prospectively echo-screened for RHD (2012-2014) in Nouméa, New Caledonia, were asked to participate...
November 14, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27883972/rheumatic-heart-disease-in-a-developing-country-incidence-and-trend-monastir-tunisia-2000-2013
#12
Asma Sriha Belguith, Afifa Koubaa Abdelkafi, Sana El Mhamdi, Manel Ben Fredj, Hela Abroug, Arwa Ben Salah, Inès Bouanene, Fahima Hassine, Amal Amara, Sana Bhiri, Abdelkarim Derbel, Habib Gamra, Faouzi Maatouk, Mohamed Soussi Soltani
BACKGROUND: The penicillin therapy of β hemolytic streptococcal pharyngitis has aided in the decrease of rheumatic heart disease (RHD) in developing countries. Tunisia is an endemic area, however, and incidence of RHD is weakly documented. We aimed at establishing the standardized incidence rate (SIR) of RHD in Monastir governorate and at determining RHD prevalence among hospitalized patients in two cardiology departments. METHODS: From the regional register of Monastir Hospital morbidity, we have selected newly diagnosed patients with RHD, residents of Monastir, and hospitalized to the 2 cardiology departments between 2000 and 2013 (2001 not included)...
November 14, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27871816/experimental-transmission-of-rabbit-haemorrhagic-disease-virus-rhdv-from-rabbit-to-wild-mice-mus-spretus-and-apodemus-sylvaticus-under-laboratory-conditions
#13
Gregorio Rocha, Fernando Alda, Albert Pagés, Tomás Merchán
Rabbit haemorrhagic disease (RHD) is a highly lethal and contagious viral disease that produces haemorrhagic lesions in liver and lungs of domestic and wild rabbits (Oryctolagus cuniculus). This study investigates the transmission of RHDV from infected rabbits to mice, based on the detection of viral RNA. Sixteen wild mice (Mus spretus, n=12 and Apodemus sylvaticus, n=4) were put in contact with nine rabbits inoculated with RHDV. No mice died following exposure to RHDV-infected rabbits or developed macroscopic haemorrhagic lesions...
November 19, 2016: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/27867076/the-dna-chaperone-hmgb1-potentiates-the-transcriptional-activity-of-rel1a-in-the-mosquito-aedes-aegypti
#14
Anderson de Mendonça Amarante, Natapong Jupatanakul, Isabel Caetano de Abreu da Silva, Vitor Coutinho Carneiro, Amanda Roberta Revoredo Vicentino, George Dimopolous, Octávio Augusto C Talyuli, Marcelo Rosado Fantappié
High Mobility Group protein 1 (HMGB1) is a non-histone, chromatin-associated nuclear protein that functions in regulating eukaryotic gene expression. We investigated the influence and mechanism of action of Aedes aegypti HMGB1 (AaHMGB1) on mosquito Rel1A-mediated transcription from target gene promoters. The DNA-binding domain (RHD) of AaRel1A was bacterially expressed and purified, and AaHMGB1 dramatically enhanced RHD binding to consensus NF-kB/Rel DNA response elements. Luciferase reporter analyses using a cecropin gene promoter showed that AaHMGB1 potentiates the transcriptional activity of AaRel1A in Aag-2 cells...
November 17, 2016: Insect Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/27864976/an-effective-diagnostic-strategy-for-accurate-detection-of-rhd-variants-including-asian-del-type-in-apparently-rhd-negative-blood-donors-in-korea
#15
M H Seo, E J Won, Y J Hong, S Chun, J R Kwon, Y S Choi, J N Kim, S A Lee, A H Lim, S H Kim, K U Park, D Cho
BACKGROUND AND OBJECTIVES: The purpose of this study was to provide an effective RHD genotyping strategy for the East Asian blood donors. MATERIAL AND METHODS: RhD phenotyping, weak D testing and RhCE phenotyping were performed on 110 samples from members of the RhD-negative club, private organization composed of RhD-negative blood donors, in the GwangJu-Chonnam region of Korea. The RHD promoter, intron 4, and exons 7 and 10 were analysed by real-time PCR. Two nucleotide changes (c...
November 2016: Vox Sanguinis
https://www.readbyqxmd.com/read/27855287/the-burden-and-implications-of-preoperative-atrial-fibrillation-in-australian-heart-valve-surgery-patients
#16
E Anne Russell, Warren F Walsh, Lavinia Tran, Robert Tam, Christopher M Reid, Alex Brown, Jayme S Bennetts, Robert A Baker, Graeme P Maguire
BACKGROUND: Atrial fibrillation (AF) is the most common preoperative arrhythmia in heart valve surgery patients and its prevalence is rising. This study aims to investigate the impact of AF on valve surgery early complications and survival and on valve disease of different aetiologies and populations with particular reference to Indigenous Australians with rheumatic heart disease (RHD). METHODS: The Australian and New Zealand Society of Cardiac and Thoracic Surgeons Cardiac Surgery Database was analysed to determine the association between preoperative AF and valve surgery outcome...
November 9, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27854114/echocardiographic-changes-and-growth-retardation-in-a-group-of-egyptian-children-with-rheumatic-heart-disease
#17
Nayera E Hassan, Hala S Hamza, Wael A Attia, Moenes M Abu Shady, Omar H Dwidar
BACKGROUND: Advances in echocardiographic studies have identified a massive burden of rheumatic heart disease (RHD) which continues to be a major health hazard in most developing countries. The aim of the paper was to investigate the correlation between cardiac affection as regards the presence of single or multiple valvular lesions, and their severity and the growth parameters in a group of Egyptian children with rheumatic heart disease. METHODS: This study is a cross-sectional study, that was conducted on 200 children with rheumatic heart disease and 400 age-matched healthy...
November 17, 2016: Minerva Pediatrica
https://www.readbyqxmd.com/read/27824757/circulating-cell-free-dna-to-determine-the-fetal-rhd-status-in-all-three-trimesters-of-pregnancy
#18
Kenneth J Moise, Manisha Gandhi, Noemi H Boring, Richard OʼShaughnessy, Lynn L Simpson, Honor M Wolfe, Jason K Baxter, William Polzin, Keith A Eddleman, Sonia S Hassan, Daniel W Skupski, Greg Ryan, Martin Walker, Garrett Lam, Richard Brown, M Amanda Skoll, Christopher Robinson, Asad Sheikh, Richard Bronsteen, Lauren A Plante, Graham McLennan, Anna Chikova, Toni Paladino
OBJECTIVE: To estimate the accuracy of a new assay to determine the fetal RHD status using circulating cell-free DNA. METHODS: This was a prospective, observational study. Maternal blood samples were collected in each trimester of pregnancy in 520 nonalloimmunized RhD-negative patients. Plasma samples were analyzed for circulating cell-free DNA using the SensiGENE RHD test, which used primers for exons 4 and 7 as previously described and incorporated a new primer design for exon 5 of the RHD gene...
December 2016: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27821701/sensitivity-of-fetal-rhd-screening-for-safe-guidance-of-targeted-anti-d-immunoglobulin-prophylaxis-prospective-cohort-study-of-a-nationwide-programme-in-the-netherlands
#19
Masja de Haas, Florentine F Thurik, Catharina P B van der Ploeg, Barbera Veldhuisen, Hoang Hirschberg, Aicha Ait Soussan, Heleen Woortmeijer, Frithjofna Abbink, Godelieve C M L Page-Christiaens, Peter G Scheffer, C Ellen van der Schoot
OBJECTIVE:  To determine the accuracy of non-invasive fetal testing for the RHD gene in week 27 of pregnancy as part of an antenatal screening programme to restrict anti-D immunoglobulin use to women carrying a child positive for RHD DESIGN:  Prospectively monitoring of fetal RHD testing accuracy compared with serological cord blood typing on introduction of the test. Fetal RHD testing was performed with a duplex real time quantitative polymerase chain reaction, with cell-free fetal DNA isolated from 1 mL of maternal plasma The study period was between 4 July 2011 and 7 October 2012...
November 7, 2016: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/27812255/fetal-rhd-genotyping-from-circulating-cell-free-fetal-dna-in-plasma-of-rh-negative-pregnant-women-in-iran
#20
Mohammad Hossein Ahmadi, Sedigheh Hantuoshzadeh, Mohammad Ali Okhovat, Nahid Nasiri, Azita Azarkeivan, Naser Amirizadeh
The prenatal determination of the fetal Rh genotype could lead to a substantial reduction in the use of anti-D immunoglobulin and prevention of unnecessary exposure of pregnant women carrying RhD negative fetus. The aim of this study was fetal RHD genotyping through the analysis of cffDNA in plasma samples of RhD negative pregnant women by real-time PCR technique. In this experiment, 30 plasma samples were collected from RhD negative pregnant women. DNA were extracted and real-time PCR reactions were done by specific primers for RHD, SRY and beta-globin (GLO) genes...
December 2016: Indian Journal of Hematology & Blood Transfusion
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