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https://www.readbyqxmd.com/read/28346821/structure-activity-relationships-on-cynnamoyl-derivatives-as-inhibitors-of-p300-histone-acetyltransferase
#1
Valentina Noemi Madia, Rosaria Benedetti, Maria Letizia Barreca, Liza Ngo, Luca Pescatori, Antonella Messore, Giovanni Pupo, Francesco Saccoliti, Sergio Valente, Antonello Mai, Luigi Scipione, Yujun George Zheng, Cristina Tintori, Maurizio Botta, Violetta Cecchetti, Lucia Altucci, Roberto Di Santo, Roberta Costi
Human p300 is a polyhedric transcriptional coactivator, playing a crucial role by acetylating histones on specific lysine residues. A great deal of evidences shows that p300 is involved in several diseases as leukemia, tumors and viral infection. Its involvement in pleiotropic biological roles and connections to diseases provide the rationale as to how its modulation could represent an amenable drug target. Several p300 inhibitors (HATi) have been described so far, but all suffer from low potency, lack of specificity or low cell-permeability, highlighting the need to find more effective inhibitors...
March 27, 2017: ChemMedChem
https://www.readbyqxmd.com/read/28346670/neospora-caninum-in-beef-herds-in-new-south-wales-australia-2-analysis-of-risk-factors
#2
B J Moloney, C Heuer, P D Kirkland
OBJECTIVE: To determine the influence of farm-level and animal-level factors on the seroprevalence of antibodies to Neospora caninum and associations between seropositivity and reproductive outcomes. METHODS: A questionnaire for a cross-sectional survey was posted to the 63 properties with a herd size ≥50 beef breeding cows that had participated in a previous seroprevalence study. Correspondence analysis, which does not appear to have been used previously in any Australian studies of livestock diseases, was used in conjunction with logistic regression to analyse the data...
April 2017: Australian Veterinary Journal
https://www.readbyqxmd.com/read/28346540/fragment-library-screening-identifies-hits-that-bind-to-the-non-catalytic-surface-of-pseudomonas-aeruginosa-dsba1
#3
Biswaranjan Mohanty, Kieran Rimmer, Róisín M McMahon, Stephen J Headey, Mansha Vazirani, Stephen R Shouldice, Mathieu Coinçon, Stephanie Tay, Craig J Morton, Jamie S Simpson, Jennifer L Martin, Martin J Scanlon
At a time when the antibiotic drug discovery pipeline has stalled, antibiotic resistance is accelerating with catastrophic implications for our ability to treat bacterial infections. Globally we face the prospect of a future when common infections can once again kill. Anti-virulence approaches that target the capacity of the bacterium to cause disease rather than the growth or survival of the bacterium itself offer a tantalizing prospect of novel antimicrobials. They may also reduce the propensity to induce resistance by removing the strong selection pressure imparted by bactericidal or bacteriostatic agents...
2017: PloS One
https://www.readbyqxmd.com/read/28346521/hiv-1-gp120-envelope-glycoprotein-determinants-for-cytokine-burst-in-human-monocytes
#4
Benoît Levast, Lucie Barblu, Mathieu Coutu, Jérémie Prévost, Nathalie Brassard, Adam Peres, Camille Stegen, Joaquín Madrenas, Daniel E Kaufmann, Andrés Finzi
The first step of HIV infection involves the interaction of the gp120 envelope glycoprotein to its receptor CD4, mainly expressed on CD4+ T cells. Besides its role on HIV-1 entry, the gp120 has been shown to be involved in the production of IL-1, IL-6, CCL20 and other innate response cytokines by bystander, uninfected CD4+ T cells and monocytes. However, the gp120 determinants involved in these functions are not completely understood. Whether signalling leading to cytokine production is due to CD4 or other receptors is still unclear...
2017: PloS One
https://www.readbyqxmd.com/read/28346417/bacterial-bloodstream-infections-in-the-allogeneic-hematopoietic-cell-transplant-patient-new-considerations-for-a-persistent-nemesis
#5
REVIEW
C E Dandoy, M I Ardura, G A Papanicolaou, J J Auletta
Bacterial bloodstream infections (BSI) cause significant transplant-related morbidity and mortality following allogeneic hematopoietic cell transplantation (allo-HCT). This manuscript reviews the risk factors for and the bacterial pathogens causing BSIs in allo-HCT recipients in the contemporary transplant period. In addition, it offers insight into emerging resistant pathogens and reviews clinical management considerations to treat and strategies to prevent BSIs in allo-HCT patients.Bone Marrow Transplantation advance online publication, 27 March 2017; doi:10...
March 27, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28346095/identification-by-high-throughput-screening-of-pseudomonas-acyl-coenzyme-a-synthetase-inhibitors
#6
Lorenzo Turcano, Daniela Visaggio, Emanuela Frangipani, Antonino Missineo, Matteo Andreini, Sergio Altamura, Paolo Visca, Alberto Bresciani
Pseudomonas infections are common among hospitalized, immunocompromised, and chronic lung disease patients. These infections are recalcitrant to common antibacterial therapies due to inherent antibiotic resistance. To meet the need of new anti- Pseudomonas drugs, a sensitive, homogenous, and robust assay was developed with the aim of identifying inhibitors of acyl-coenzyme A synthetases (ACSs) from Pseudomonas. Given the importance of fatty acids for in vivo nutrition of Pseudomonas, such inhibitors might have the potential to reduce the bacterial fitness during infection...
January 1, 2017: SLAS Discov
https://www.readbyqxmd.com/read/28346077/effects-of-brief-messages-about-antiretroviral-therapy-and-condom-use-benefits-among-black-and-latino-msm-in-three-us-cities
#7
Jeffrey H Herbst, Gordon Mansergh, Nicole Pitts, Damian Denson, Matthew J Mimiaga, Jeremy Holman
This pilot study examined effects of HIV prevention messages about self and partner benefits of antiretroviral therapy (ART) and condom effectiveness on increased intentions for behavior change. Data were from Messages4Men, a study examining prevention messages among 320 HIV-positive and 605 HIV-negative black and Latino MSM. Men completed a computer-based assessment after message exposure, and multivariable models controlled for risky sex and demographics. A majority of HIV-positive men reported increased intentions for ART use; 22% reported partner benefit information was new...
March 27, 2017: Journal of Homosexuality
https://www.readbyqxmd.com/read/28346018/antiretroviral-treatment-in-hiv-infected-children-who-require-a-rifamycin-containing-regimen-for-tuberculosis
#8
Helena Rabie, Eric H Decloedt, Anthony J Garcia-Prats, Mark F Cotton, Lisa Frigati, Marc Lallemant, Anneke Hesseling, H Simon Schaaf
In high prevalence settings, tuberculosis and HIV dual infection and co-treatment is frequent. Rifamycins, especially rifampicin, in combination with isoniazid, ethambutol and pyrazinamide are key components of short-course antituberculosis therapy. Areas covered: We reviewed available data, for which articles were identified by a Pubmed search, on rifamycin-antiretroviral interactions in HIV-infected children. Rifamycins have potent inducing effects on phase I and II drug metabolising enzymes and transporters...
March 27, 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28345530/fecal-microbiota-transplantation-methods-of-treatment-of-recurrent-clostridium-difficile-infections-and-other-diseases
#9
Klaudia Juszczuk, Katarzyna Grudlewska, Agnieszka Mikucka, Eugenia Gospodarek
Clostridium difficile is a serious epidemiological problem and particularly dangerous microorganism causing hospital infections. Currently, the treatment of C. difficile infections is the use of metronidazole or vancomycin. However, in some patients, recurrent infection difficult to treat occurs. Fecal microbiota transplantation (FMT) is a new method used to treat the recurrent CDI. FMT consists in the infusion of the fecal suspension from a healthy donor into the gastrointestinal tract of a patient with CDI to restore the natural intestinal microflora...
March 27, 2017: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/28345439/primary-nonadherence-to-overactive-bladder-medications-in-an-integrated-managed-care-health-care-system
#10
Nazia Rashid, Maria Vassilakis, Kathy J Lin, Rita Kristy, Daniel B Ng
BACKGROUND: Treatment for overactive bladder (OAB) remains suboptimal, in part because of patient nonadherence to medications. Primary nonadherence is when patients fail to pick up their initial prescriptions. OBJECTIVE: To measure primary nonadherence to OAB medications within 30 days of a first OAB prescription order using electronic medical records from a U.S. managed care health care system METHODS: A retrospective cohort study was conducted using electronic medical records from the Kaiser Permanente Southern California (KPSC) database to identify patients with new OAB prescriptions between January 1, 2007, and December 31, 2013...
April 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28345196/flupyradifurone-effectively-manages-whitefly-bemisia-tabaci-med-hemiptera-aleyrodidae-and-tomato-yellow-leaf-curl-virus-tylcv-in-tomato
#11
Emmanouil Roditakis, Marianna Stavrakaki, Maria Grispou, Aikaterini Achimastou, Χavier Van Waetermeulen, Ralf Nauen, Anastasia Tsagkarakou
BACKGROUND: The cotton whitefly Bemisia tabaci (Gennadius) is among the most important pests of numerous crops and a vector of >100 plant viruses, causing significant crop losses worldwide. Managing the pest as well as inhibiting the transmission of major viruses such as Tomato yellow leaf curl virus (TYLCV) is of utmost importance for sustainable yields. The efficacy on both whiteflies and virus transmission of the novel systemic butenolide insecticide flupyradifurone, was investigated in this study...
March 27, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28345194/decay-of-the-glycolytic-pathway-and-adaptation-to-intranuclear-parasitism-within-enterocytozoonidae-microsporidia
#12
Dominic Wiredu Boakye, Pattana Jaroenlak, Anuphap Prachumwat, Tom A Williams, Kelly S Bateman, Ornchuma Itsathitphaisarn, Kallaya Sritunyalucksana, Konrad H Paszkiewicz, Karen A Moore, Grant D Stentiford, Bryony A P Williams
Glycolysis and oxidative phosphorylation are the fundamental pathways of ATP generation in eukaryotes. Yet in microsporidia, endoparasitic fungi living at the limits of cellular streamlining, oxidative phosphorylation has been lost: energy is obtained directly from the host or, during the dispersive spore stage, via glycolysis. It was therefore surprising when the first genome from the Enterocytozoonidae - a major family of human and animal-infecting microsporidians - appeared to have lost glycolysis. Here we sequence and analyse genomes from four additional members of this family, shedding new light on their unusual biology...
March 26, 2017: Environmental Microbiology
https://www.readbyqxmd.com/read/28345042/human-genetic-and-metabolite-variation-reveals-that-methylthioadenosine-is-a-prognostic-biomarker-and-an-inflammatory-regulator-in-sepsis
#13
Liuyang Wang, Emily R Ko, James J Gilchrist, Kelly J Pittman, Anna Rautanen, Matti Pirinen, J Will Thompson, Laura G Dubois, Raymond J Langley, Sarah L Jaslow, Raul E Salinas, D Clayburn Rouse, M Arthur Moseley, Salim Mwarumba, Patricia Njuguna, Neema Mturi, Thomas N Williams, J Anthony G Scott, Adrian V S Hill, Christopher W Woods, Geoffrey S Ginsburg, Ephraim L Tsalik, Dennis C Ko
Sepsis is a deleterious inflammatory response to infection with high mortality. Reliable sepsis biomarkers could improve diagnosis, prognosis, and treatment. Integration of human genetics, patient metabolite and cytokine measurements, and testing in a mouse model demonstrate that the methionine salvage pathway is a regulator of sepsis that can accurately predict prognosis in patients. Pathway-based genome-wide association analysis of nontyphoidal Salmonella bacteremia showed a strong enrichment for single-nucleotide polymorphisms near the components of the methionine salvage pathway...
March 2017: Science Advances
https://www.readbyqxmd.com/read/28344783/retrospective-report-of-antimicrobial-susceptibility-observed-in-bacterial-pathogens-isolated-from-ocular-samples-at-mount-sinai-hospital-2010-to-2015
#14
Marko Oydanich, Tanis C Dingle, Camille L Hamula, Claudia Ghisa, Penny Asbell
BACKGROUND: Antimicrobial resistance has emerged as a major threat to global public health. Thus, the surveillance of changes in antimicrobial resistance in local and global settings is a paramount necessity. While many studies have tracked antimicrobial resistance, only a small percentage surveyed ocular isolates. The purpose of this study was to report the in vitro susceptibility of bacterial pathogens isolated from ocular samples in New York, NY from 2010 to 2015. METHODS: A retrospective review of ocular isolates was conducted...
2017: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/28344765/new-insights-on-thyroid-hormone-mediated-regulation-of-herpesvirus-infections
#15
REVIEW
Robert W Figliozzi, Feng Chen, S Victor Hsia
Thyroid hormone (T3) has been suggested to participate in the regulation of herpesvirus replication during reactivation. Clinical observations and in vivo experiments suggest that T3 are involved in the suppression of herpes virus replication. In vitro, differentiated LNCaP cells, a human neuron-like cells, further resisted HSV-1 replication upon addition of T3. Previous studies indicate that T3 controlled the expression of several key viral genes via its nuclear receptors in differentiated LNCaP cells. Additional observation showed that differentiated LNCaP cells have active PI3K signaling and inhibitor LY294002 can reverse T3-mediated repression of viral replication...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28344639/aflatoxin-b1-inhibits-the-type-1-interferon-response-pathway-via-stat1-suggesting-another-mechanism-of-hepatocellular-carcinoma
#16
Patrick W Narkwa, David J Blackbourn, Mohamed Mutocheluh
BACKGROUND: Aflatoxin B1 (AFB1) contamination of food is very high in most sub-Saharan African countries. AFB1 is known to cause hepatocellular carcinoma (HCC) by inducing mutation in the tumour suppressor gene TP53. The number of new HCC cases is high in West Africa with an accompanying high mortality. The type I interferon (IFN) pathway of the innate immune system limits viral infections and exerts its anti-cancer property by up-regulating tumour suppressor activities and pro-apoptotic pathways...
2017: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/28344611/percutaneous-pulmonary-valve-implantation-state-of-the-art-and-polish-experience
#17
REVIEW
Elżbieta K Biernacka, Witold Rużyłło, Marcin Demkow
Percutaneous pulmonary valve implantation (PPVI) is a relatively new method of treating patients with right ventricular outflow tract (RVOT) dysfunction after surgical repair of congenital heart disease. Since its introduction in 2000 by Bonhoeffer, more than ten thousand PPVI procedures have been performed worldwide. Indications for PPVI have been adapted from those accepted for surgical intervention. Two types of valves are being used: Melody Medtronic available in diameters 16 mm and 18 mm and the family of Edwards SAPIEN valves 23, 26 and 29...
2017: Postępy W Kardiologii Interwencyjnej, Advances in Interventional Cardiology
https://www.readbyqxmd.com/read/28344575/identification-of-capsid-coat-related-protein-folds-and-their-utility-for-virus-classification
#18
Arshan Nasir, Gustavo Caetano-Anollés
The viral supergroup includes the entire collection of known and unknown viruses that roam our planet and infect life forms. The supergroup is remarkably diverse both in its genetics and morphology and has historically remained difficult to study and classify. The accumulation of protein structure data in the past few years now provides an excellent opportunity to re-examine the classification and evolution of viruses. Here we scan completely sequenced viral proteomes from all genome types and identify protein folds involved in the formation of viral capsids and virion architectures...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28344402/preparation-of-mucosal-nanoparticles-and-polymer-based-inactivated-vaccine-for-newcastle-disease-and-h9n2-ai-viruses
#19
Heba M El Naggar, Mohamed Sayed Madkour, Hussein Ali Hussein
AIM: To develop a mucosal inactivated vaccines for Newcastle disease (ND) and H9N2 viruses to protect against these viruses at sites of infections through mucosal immunity. MATERIALS AND METHODS: In this study, we prepared two new formulations for mucosal bivalent inactivated vaccine formulations for Newcastle and Avian Influenza (H9N2) based on the use of nanoparticles and polymer adjuvants. The prepared vaccines were delivered via intranasal and spray routes of administration in specific pathogen-free chickens...
February 2017: Veterinary World
https://www.readbyqxmd.com/read/28344154/characterization-of-toxoplasma-gondii-isolates-from-herds-of-sheep-in-southern-brazil-reveals-the-archetypal-type-ii-genotype-and-new-non-archetypal-genotypes
#20
Tatiana da Silva Ramos, Hilda Fátima de Jesus Pena, Alceu Gonçalves Dos Santos Junior, Laura Maria Jorge de Faria Santos, Beatris Gonzales Cademartori, Solange Oliveira, Solange Maria Gennari, Andréa da Silva Ramos Rocha, Nara Amélia da Rosa Farias
Recent studies have demonstrated that, in Brazil and South America, strains of Toxoplasma gondii are often genotypically and biologically different from those found in countries on other continents. The objective of this study was to genotypically characterize T. gondii isolates from naturally infected sheep in herds in the southern region of the state of Rio Grande do Sul, Brazil, by means of the polymerase chain reaction with restriction fragment length polymorphism (PCR-RFLP). Five T. gondii isolates obtained from sheep in five municipalities in the state of Rio Grande do Sul were used...
March 23, 2017: Parasitology International
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