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https://www.readbyqxmd.com/read/28550730/transplantation-of-aire-overexpressing-bone-marrow-derived-dendritic-cells-delays-the-onset-of-type-1-diabetes
#1
Dongbei Li, Bo Zhao, Yadong Luo, Steven Limbara, Bingjie Zhao, Xueyang Zou, Wei Yang, Yi Li
Autoimmune regulator (Aire) plays an indispensable role in maintaining central immune tolerance by promoting the ectopic expression of tissue-restricted antigens (TRAs) in medullary thymic epithelial cells (mTECs) and dendritic cells (DCs), which lead to the deletion of autoreactive T cells or the induction of Tregs and consequently prevent autoimmune disease development. Curing autoimmune diseases has always been a challenge. DC-based immunotherapy represents a new and effective method to establish tolerance...
May 24, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28545423/determinants-of-tuberculosis-transmission-and-treatment-abandonment-in-fortaleza-brazil
#2
Guy Harling, Antonio S Lima Neto, Geziel S Sousa, Marcia M T Machado, Marcia C Castro
BACKGROUND: Tuberculosis (TB) remains a public health problem, despite recent achievements in reducing incidence and mortality rates. In Brazil, these achievements were above the worldwide average, but marked by large regional heterogeneities. In Fortaleza (5th largest city in Brazil), the tuberculosis cure rate has been declining and treatment abandonment has been increasing in the past decade, despite a reduction in incidence and an increase in directly observed therapy (DOT). These trends put efforts to eliminate tuberculosis at risk...
May 25, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28544082/a-resource-of-potential-drug-targets-and-strategic-decision-making-for-obstructive-sleep-apnoea-pharmacotherapy
#3
REVIEW
Richard L Horner, Kevin P Grace, Andrew Wellman
There is currently no pharmacotherapy for obstructive sleep apnoea (OSA) but there is no principled a priori reason why there should not be one. This review identifies a rational decision-making strategy with the necessary logical underpinnings that any reasonable approach would be expected to navigate to develop a viable pharmacotherapy for OSA. The process first involves phenotyping an individual to quantify and characterize the critical predisposing factor(s) to their OSA pathogenesis and identify, a priori, if the patient is likely to benefit from a pharmacotherapy that targets those factors...
May 25, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28542329/novel-agoshrna-molecules-for-silencing-of-the-ccr5-co-receptor-for-hiv-1-infection
#4
Elena Herrera-Carrillo, Ben Berkhout
Allogeneic transplantation of blood stem cells from a CCR5-Δ32 homozygous donor to an HIV-infected individual, the "Berlin patient", led to a cure. Since then there has been a search for approaches that mimic this intervention in a gene therapy setting. RNA interference (RNAi) has evolved as a powerful tool to regulate gene expression in a sequence-specific manner and can be used to inactivate the CCR5 mRNA. Short hairpin RNA (shRNA) molecules can impair CCR5 expression, but these molecules may cause unintended side effects and they will not be processed in cells that lack Dicer, such as monocytes...
2017: PloS One
https://www.readbyqxmd.com/read/28542320/the-ik1-kir2-1-channel-agonist-zacopride-prevents-and-cures-acute-ischemic-arrhythmias-in-the-rat
#5
Xu-Wen Zhai, Li Zhang, Yun-Fei Guo, Ying Yang, Dong-Ming Wang, Yan Zhang, Pan Li, Yi-Fan Niu, Qi-Long Feng, Bo-Wei Wu, Ji-Min Cao, Qing-Hua Liu
Arrhythmogenesis in acute myocardial infarction (MI) is associated with depolarization of resting membraine potential (RMP) and decrease of inward rectifier potassium current (IK1) in cardiomyocytes. However, clinical anti-arrhythmic agents that primarily act on RMP by enhancing the IK1 channel are not currently available. We hypothesized that zacopride, a selective and moderate agonist of the IK1/Kir2.1 channels, prevents and cures acute ischemic arrhythmias. To test this viewpoint, adult Sprague-Dawley (SD) rats were subjected to MI by ligating the left main coronary artery...
2017: PloS One
https://www.readbyqxmd.com/read/28542194/using-g6pd-tests-to-enable-the-safe-treatment-of-plasmodium-vivax-infections-with-primaquine-on-the-thailand-myanmar-border-a-cost-effectiveness-analysis
#6
Angela Devine, Minnie Parmiter, Cindy S Chu, Germana Bancone, François Nosten, Ric N Price, Yoel Lubell, Shunmay Yeung
BACKGROUND: Primaquine is the only licensed antimalarial for the radical cure of Plasmodium vivax infections. Many countries, however, do not administer primaquine due to fear of hemolysis in those with glucose-6-phosphate dehydrogenase (G6PD) deficiency. In other settings, primaquine is given without G6PD testing, putting patients at risk of hemolysis. New rapid diagnostic tests (RDTs) offer the opportunity to screen for G6PD deficiency prior to treatment with primaquine. Here we assessed the cost-effectiveness of using G6PD RDTs on the Thailand-Myanmar border and provide the model as an online tool for use in other settings...
May 24, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28541278/sharing-data-under-the-21st-century-cures-act
#7
REVIEW
Mary A Majumder, Christi J Guerrini, Juli M Bollinger, Robert Cook-Deegan, Amy L McGuire
On 13 December 2016, President Obama signed the 21st Century Cures Act ("the Act") into law. Many of its provisions support the creation of an "Information Commons," an ecosystem of separate but interconnected initiatives that facilitate open and responsible sharing of genomic and other data for research and clinical purposes. For example, the Act supports the National Institutes of Health in mandating data sharing, provides funding and guidance for the large national cohort program now known as All of Us, expresses congressional support for a global pediatric study network, and strengthens patient access to health information...
May 25, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28540592/-assistance-nursing-and-participation-in-old-age-future-of-domestic-care-in-cases-of-care-dependency
#8
REVIEW
Josefine Heusinger, Kerstin Hämel, Susanne Kümpers
The future development of home care services for older people in need of care is associated with great challenges. This article begins with a brief summary of the most urgent care problems from the perspective of people requiring care and that of caring relatives. The problems exhibit social and spatial inequalities and are characterized by coordination problems within a fragmented organizational system. Calls for a viable "care mix" are nothing new but have recently gained considerable traction under the label of "caring communities"...
May 24, 2017: Zeitschrift Für Gerontologie und Geriatrie
https://www.readbyqxmd.com/read/28539614/the-ccr5-antagonist-maraviroc-reverses-hiv-1-latency-in-vitro-alone-or-in-combination-with-the-pkc-agonist-bryostatin-1
#9
María Rosa López-Huertas, Laura Jiménez-Tormo, Nadia Madrid-Elena, Carolina Gutiérrez, Sara Rodríguez-Mora, Mayte Coiras, José Alcamí, Santiago Moreno
A potential strategy to cure HIV-1 infection is to use latency reversing agents (LRAs) to eliminate latent reservoirs established in resting CD4+ T (rCD4+) cells. As no drug has been shown to be completely effective, finding new drugs and combinations are of increasing importance. We studied the effect of Maraviroc (MVC), a CCR5 antagonist that activates NF-κB, on HIV-1 replication from latency. HIV-1-latency models based on CCL19 or IL7 treatment, before HIV-1 infection were used. Latently infected primary rCD4+ or central memory T cells were stimulated with MVC alone or in combination with Bryostatin-1, a PKC agonist known to reverse HIV-1 latency...
May 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28539069/real-world-challenges-for-hepatitis-c-virus-medications-a-critical-overview
#10
Imran Shahid, Waleed Hassan AlMalki, Sajida Hassan, Muhammad Hassan Hafeez
From 2010, the landscape of hepatitis C therapeutics has been changed rapidly, and today we are standing at a cusp of a pharmacological revolution where highly effective and interferon (IFN)-free direct acting antivirals (DAAs) are already on the market. Such treatment paradigms attain 90-95% sustained virologic response (SVR; undetectable viral load at week 12 or 24 at the end of therapy) rates in treated individuals compared to 50-70% with treatment completion of dual-therapy-pegylated interferon (PEG-IFN) and ribavirin (RBV)...
May 25, 2017: Critical Reviews in Microbiology
https://www.readbyqxmd.com/read/28538777/tuberculosis-recurrence-in-a-priority-city-in-the-state-of-s%C3%A3-o-paulo-brazil
#11
Amadeu Antonio Vieira, Danila Torres Leite, Solange Adreoni
Objective: To describe cases of tuberculosis recurrence (TBR), stratified by temporal classification (early or late TBR), and to identify possible predictors of such recurrence. Methods: This was an analytical retrospective observational epidemiological study involving a cohort of 963 new cases of pulmonary tuberculosis, reported and treated via the Tuberculosis Control Program in the city of Carapicuíba, Brazil. The study period was from 2000 to 2010. All of the pulmonary tuberculosis patients who successfully completed the treatment (with or without confirmation of cure) were selected and followed until December 31, 2012...
March 2017: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
https://www.readbyqxmd.com/read/28538692/exploring-anti-prion-glyco-based-and-aromatic-scaffolds-a-chemical-strategy-for-the-quality-of-life
#12
REVIEW
María Teresa Blázquez-Sánchez, Ana M de Matos, Amélia P Rauter
Prion diseases are fatal neurodegenerative disorders caused by protein misfolding and aggregation, affecting the brain progressively and consequently the quality of life. Alzheimer's is also a protein misfolding disease, causing dementia in over 40 million people worldwide. There are no therapeutics able to cure these diseases. Cellular prion protein is a high-affinity binding partner of amyloid β (Aβ) oligomers, the most toxic species in Alzheimer's pathology. These findings motivate the development of new chemicals for a better understanding of the events involved...
May 24, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28538056/engaging-all-employees-in-efforts-to-achieve-high-reliability
#13
Anne Marie Benedicto
DRAMATIC AND NUMEROUS advances in science, technology, and medicine provide new opportunities to keep people healthy as well as to diagnose, treat, and cure disease. Unfortunately, increasing complexity increases opportunities for mistakes and errors, particularly in healthcare organizations as they struggle to prevent patient harm (). Safety problems persist and harm to patients continues despite widespread attention to the need for improvement ().An engaged and empowered workforce is critical to improving the patient experience, improving health outcomes, and correcting unsafe conditions ()...
July 2017: Frontiers of Health Services Management
https://www.readbyqxmd.com/read/28535423/chromatographic-separation-and-detection-methods-of-aloe-arborescens-miller-constituents-a-systematic-review
#14
REVIEW
Jilan A Nazeam, Haidy A Gad, Hala M El-Hefnawy, Abdel-Naser B Singab
Aloe arborescens Miller (Family Asphodelaceae) is a member of genus Aloe, which is used in traditional medicine to cure various diseases. The extracts of the plant have been reported to possess anticancer, immunomodulator, antidiabetic, anti-inflammatory and antioxidant activities. The phytochemical investigations have revealed diverse chemical constituents, including phenolics [anthraquinones, anthrones, pyrones, chromones and coumarins], polysaccharides [arborans [(1-4) linked glucomannans, polysaccharide (A, B and C): (A: a linear (1-6)-O-α-glucan, B: a branching (1-2)-O-l-arabinose with (1-2)-O-d-galactose linkages and C: (1-4)-O-β-mannan with 18% acetyl group)]], glycoproteins and carboxypeptidase enzyme...
April 29, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28534887/when-is-early-antiretroviral-therapy-early-enough-for-hiv-remission
#15
Eva Poveda, Manuelo Cresp
Several strategies to reduce and control the HIV reservoir are being evaluating to achieve the great challenge of HIV remission or functional cure. Some of these are based on immune and gene therapy, or in the use of agents with latency reversing properties. Moreover, acute HIV infection and the impact of early antiretroviral treatment (ART) initiation is another key issue of current research. It has been demonstrated that ART initiation during acute HIV infection minimizes the establishment of the latent HIV reservoir...
May 23, 2017: AIDS Reviews
https://www.readbyqxmd.com/read/28533538/proteomic-analysis-of-jak2v617f-induced-changes-identifies-potential-new-combinatorial-therapeutic-approaches
#16
S Pearson, A J K Williamson, R Blance, T C P Somervaille, S Taylor, N Azadbakht, A D Whetton, A Pierce
In excess of 90% of patients with polycythemia vera express a mutated form of JAK2, JAK2V617F. Such aberrant proteins offer great potential for the treatment of these diseases however inhibitors to JAK2 have had limited success in the clinic in terms of curing the disease. To understand the effects of this oncogene in hematopoietic cells with the aim of improving treatment strategies we undertook a systematic evaluation of the effects of JAK2V617F expression using proteomics. The effects of JAK2V617F on over 5000 proteins and 2000 nuclear phosphopeptides sites were relatively quantified using either SILAC or eight channel iTRAQ mass spectrometry...
May 23, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28532050/full-in-vitro-analyses-of-new-generation-bulk-fill-dental-composites-cured-by-halogen-light
#17
Tuçe Hazal Tekin, Aysel Kantürk Figen, Pınar Yılmaz Atalı, Bilge Coşkuner Filiz, Mehmet Burçin Pişkin
The objective of this study was to investigate the full in-vitro analyses of new-generation bulk-fill dental composites cured by halogen light (HLG). Two types' four composites were studied: Surefill SDR (SDR) and Xtra Base (XB) as bulk-fill flowable materials; QuixFill (QF) and XtraFill (XF) as packable bulk-fill materials. Samples were prepared for each analysis and test by applying the same procedure, but with different diameters and thicknesses appropriate to the analysis and test requirements. Thermal properties were determined by thermogravimetric analysis (TG/DTG) and differential scanning calorimetry (DSC) analysis; the Vickers microhardness (VHN) was measured after 1, 7, 15 and 30days of storage in water...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28531167/a-role-for-the-host-dna-damage-response-in-hepatitis-b-virus-cccdna-formation-and-beyond
#18
REVIEW
Sabrina Schreiner, Michael Nassal
Chronic hepatitis B virus (HBV) infection puts more than 250 million people at a greatly increased risk to develop end-stage liver disease. Like all hepadnaviruses, HBV replicates via protein-primed reverse transcription of a pregenomic (pg) RNA, yielding an unusually structured, viral polymerase-linked relaxed-circular (RC) DNA as genome in infectious particles. Upon infection, RC-DNA is converted into nuclear covalently closed circular (ccc) DNA. Associating with cellular proteins into an episomal minichromosome, cccDNA acts as template for new viral RNAs, ensuring formation of progeny virions...
May 22, 2017: Viruses
https://www.readbyqxmd.com/read/28530207/fabrication-of-biomimetic-bone-grafts-with-multi-material-3d-printing
#19
Nicholas Sears, Prachi Dhavalikar, Michael Whitely, Elizabeth Cosgriff-Hernandez
Extrusion deposition is a versatile method for the 3D printing of biomaterials such as hydrogels, ceramics, and suspensions. Recently, a new class of emulsion inks were developed that can be used to create tunable, hierarchically porous materials with a cure-on-dispense method. Propylene fumarate dimethacrylate (PFDMA) was selected to fabricate bone grafts using this technology due to its established biocompatibility, osteoconductivity, and good compressive properties. Scaffolds fabricated from PFDMA emulsion inks displayed compressive modulus and yield strength of approximately 15 and 1 MPa, respectively...
May 22, 2017: Biofabrication
https://www.readbyqxmd.com/read/28530113/refining-current-scientific-priorities-identifying-new-scientific-gaps-in-hiv-related-heart-lung-blood-and-sleep-hlbs-research
#20
Homer L TwiggIII, Ronald Crystal, Judith Currier, Paul M Ridker, Nancy Berliner, Hans-Peter Kiem, George Rutherford, Shimian Zou, Simone Glynn, Renee Wong, Emmanuel Peprah, Michael Engelgau, Tony L Creazzo, Sandra Colombini-Hatch, Elisabet Caler
The National Heart, Lung and Blood Institute (NHLBI) AIDS Program's goal is to provide direction and support for research and training programs in areas of HIV-related heart, lung, blood and sleep (HLBS) diseases. To better define NHLBI current HIV-related scientific priorities and with the goal of identifying new scientific priorities and gaps in HIV-related HLBS research, a wide group of investigators gathered for a scientific NHLBI HIV Working Group on December 14-15, 2015, in Bethesda, MD. The core objectives of the Working Group included discussions on: 1) HIV-related HLBS comorbidities in the antiretroviral era; 2) HIV cure; 3) HIV prevention; and 4) mechanisms to implement new scientific discoveries in an efficient and timely manner so as to have the most impact on people living with HIV (PLWH)...
May 20, 2017: AIDS Research and Human Retroviruses
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