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https://www.readbyqxmd.com/read/28730751/tuberculosis-and-biologics-in-rheumatology-india-a-special-situation
#1
REVIEW
Rohini Handa, Sundeep Upadhyaya, Sanjiv Kapoor, Ramesh Jois, Bimlesh D Pandey, Anuj K Bhatnagar, Ashwani Khanna, Vishal Goyal, Kamal Kumar
India has a huge patient burden of rheumatic diseases (RDs) including rheumatoid arthritis. The use of biologics has transformed the treatment paradigm for RD; however, biologic treatment-related infections (especially tuberculosis [TB]) are an area of potential concern for TB-endemic nations like India. Anti-tumor necrosis factor (TNF) therapy impairs the physiological TNF-mediated signaling and may cause reactivation and dissemination of latent TB infection (LTBI). Careful screening is, thus, crucial in RD patients who are about to commence anti-TNF treatment...
July 21, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28730640/2016-updated-thai-rheumatism-association-recommendations-for-the-use-of-biologic-and-targeted-synthetic-disease-modifying-anti-rheumatic-drugs-in-patients-with-rheumatoid-arthritis
#2
Worawit Louthrenoo, Nuntana Kasitanon, Wanruchada Katchamart, Duangkamol Aiewruengsurat, Parawee Chevaisrakul, Praveena Chiowchanwisawakit, Pornchai Dechanuwong, Punchong Hanvivadhanakul, Ajanee Mahakkanukrauh, Siriporn Manavathongchai, Chayawee Muangchan, Pongthorn Narongroeknawin, Veerapong Phumethum, Boonjing Siripaitoon, Anawat Suesuwan, Siraphop Suwannaroj, Parichat Uea-Areewongsa, Sittichai Ukritchon, Paijit Asavatanabodee, Ajchara Koolvisoot, Ratanavadee Nanagara, Kitti Totemchokchyakarn, Kanokrut Nuntirooj, Tasanee Kitumnuaypong
AIM: In June 2015, the Thai Rheumatism Association (TRA) approved an update of its recommendation for the use of biologic disease-modifying anti-rheumatic drugs (bDMARDs) and targeted synthetic (tsDMARD) in the treatment of rheumatoid arthritis (RA) to cover those currently available in Thailand (etanercept, infliximab, golimumab, rituximab, tocilizumab, abatacept and tofacitinib). METHOD: A search of the literature was performed between January 2000 and June 2015...
July 21, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28729850/drug-resistant-epilepsy-multiple-hypotheses-few-answers
#3
REVIEW
Fei Tang, Anika M S Hartz, Björn Bauer
Epilepsy is a common neurological disorder that affects over 70 million people worldwide. Despite the recent introduction of new antiseizure drugs (ASDs), about one-third of patients with epilepsy have seizures refractory to pharmacotherapy. Early identification of patients who will become refractory to ASDs could help direct such patients to appropriate non-pharmacological treatment, but the complexity in the temporal patterns of epilepsy could make such identification difficult. The target hypothesis and transporter hypothesis are the most cited theories trying to explain refractory epilepsy, but neither theory alone fully explains the neurobiological basis of pharmacoresistance...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28729382/recommended-clinical-trial-end-points-for-dialysis-catheters
#4
Michael Allon, Deborah J Brouwer-Maier, Kenneth Abreo, Kevin M Baskin, Kay Bregel, Deepa H Chand, Andrea M Easom, Leonard Mermel, Michele H Mokrzycki, Priti R Patel, Prabir Roy-Chaudhury, Surendra Shenoy, Rudolph P Valentini, Haimanot Wasse
Central venous catheters are used frequently in patients on hemodialysis as a bridge to a permanent vascular access. They are prone to frequent complications, including catheter-related bloodstream infection, catheter dysfunction, and central vein obstruction. There is a compelling need to develop new drugs or devices to prevent central venous catheter complications. We convened a multidisciplinary panel of experts to propose standardized definitions of catheter end points to guide the design of future clinical trials seeking approval from the Food and Drug Administration...
July 20, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28728695/alcohol-septal-ablation-for-obstructive-hypertrophic-cardiomyopathy-a-word-of-balance
#5
REVIEW
Paul Sorajja
The management of drug-refractory symptoms of obstructive hypertrophic cardiomyopathy has long been debated and is primarily centered on the choice between surgical myectomy and alcohol septal ablation. Decision making in these patients requires consideration of procedural risk, expertise and efficacy, and the long-term impact on patients' survival. Although there have been numerous reports on these procedures that may help guide decision making, these data continue to be self-reported and voluntary. Greater insight into the real-world experience for these therapies and how they should be applied in practice would be gained from mandatory reporting, akin to other multidisciplinary, transcatheter-based therapies...
July 25, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28728594/implementing-the-efftox-dose-finding-design-in-the-matchpoint-trial
#6
Kristian Brock, Lucinda Billingham, Mhairi Copland, Shamyla Siddique, Mirjana Sirovica, Christina Yap
BACKGROUND: The Matchpoint trial aims to identify the optimal dose of ponatinib to give with conventional chemotherapy consisting of fludarabine, cytarabine and idarubicin to chronic myeloid leukaemia patients in blastic transformation phase. The dose should be both tolerable and efficacious. This paper describes our experience implementing EffTox in the Matchpoint trial. METHODS: EffTox is a Bayesian adaptive dose-finding trial design that jointly scrutinises binary efficacy and toxicity outcomes...
July 20, 2017: BMC Medical Research Methodology
https://www.readbyqxmd.com/read/28728042/pharmacological-relationships-and-ligand-discovery-of-g-protein-coupled-receptors-revealed-by-simultaneous-ligand-and-receptor-clustering
#7
Cheng Zhang, Yi-Ming Shao, Xiaohua Ma, Siew Lee Cheong, Chu Qin, Lin Tao, Peng Zhang, Shangying Chen, Xian Zeng, Hongxia Liu, Giorgia Pastorin, Yuyang Jiang, Yu Zong Chen
Conventional ligand and receptor similarity methods have been extensively used for exposing pharmacological relationships and drug lead discovery. They may in some cases neglect minor relationships useful for target hopping particularly against the remote family members. To complement the conventional methods for capturing these minor relationships, we developed a new method that uses a SLARC (Simultaneous Ligand And Receptor Clustering) 2D map to simultaneously characterize the ligand structural and receptor binding-site sequence relationships of a receptor family...
July 11, 2017: Journal of Molecular Graphics & Modelling
https://www.readbyqxmd.com/read/28726170/prescribing-trends-in-a-glaucoma-clinic-and-adherence-to-egs-guidelines-a-retrospective-non-interventional-single-center-uk-study
#8
Mark Fajgenbaum, Ejaz Ansari
INTRODUCTION: The purpose of this study was to determine prescribing trends in a specialist glaucoma clinic in the UK. Specifically, the aims were to determine which drugs were prescribed as first-, second-, and third-line treatment, the persistence of first-, second-, and third-line treatment regimens, and the proportion of treatment decisions conforming to the European Glaucoma Society (EGS) guidelines. METHODS: A retrospective, non-interventional, single-center, case-note review was performed on a cohort of consecutive patients presenting to a specialist glaucoma clinic for follow-up...
July 19, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28725578/transperineal-vs-transrectal-biopsy-in-mri-targeting
#9
REVIEW
Jeremy Grummet, Lana Pepdjonovic, Sean Huang, Elliot Anderson, Boris Hadaschik
Prostate biopsy is typically performed via either the transrectal or transperineal approach. MRI-targeted biopsy, whether using any of the three options of cognitive fusion, MRI-ultrasound fusion software, or in-bore MRI-guided biopsy, can also be performed via either transrectal or transperineal approaches. As an extension of traditional random prostate biopsy, the transrectal approach is far more commonly used for MRI-targeted biopsy due to its convenience. However, in the context of today's increasing multi-drug resistance of rectal flora, the transperineal approach is being used more often due to its lack of septic complications...
June 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28725272/brazilian-guidelines-on-prevention-of-cardiovascular-disease-in-patients-with-diabetes-a-position-statement-from-the-brazilian-diabetes-society-sbd-the-brazilian-cardiology-society-sbc-and-the-brazilian-endocrinology-and-metabolism-society-sbem
#10
REVIEW
Marcello Casaccia Bertoluci, Rodrigo Oliveira Moreira, André Faludi, Maria Cristina Izar, Beatriz D Schaan, Cynthia Melissa Valerio, Marcelo Chiara Bertolami, Ana Paula Chacra, Marcus Vinicius Bolivar Malachias, Sérgio Vencio, José Francisco Kerr Saraiva, Roberto Betti, Luiz Turatti, Francisco Antonio Helfenstein Fonseca, Henrique Tria Bianco, Marta Sulzbach, Adriana Bertolami, João Eduardo Nunes Salles, Alexandre Hohl, Fábio Trujilho, Eduardo Gomes Lima, Marcio Hiroshi Miname, Maria Teresa Zanella, Rodrigo Lamounier, João Roberto Sá, Celso Amodeo, Antonio Carlos Pires, Raul D Santos
BACKGROUND: Since the first position statement on diabetes and cardiovascular prevention published in 2014 by the Brazilian Diabetes Society, the current view on primary and secondary prevention in diabetes has evolved as a result of new approaches on cardiovascular risk stratification, new cholesterol lowering drugs, and new anti-hyperglycemic drugs. Importantly, a pattern of risk heterogeneity has emerged, showing that not all diabetic patients are at high or very high risk. In fact, most younger patients who have no overt cardiovascular risk factors may be more adequately classified as being at intermediate or even low cardiovascular risk...
2017: Diabetology & Metabolic Syndrome
https://www.readbyqxmd.com/read/28724889/aptamer-mediated-survivin-rnai-enables-5-fluorouracil-to-eliminate-colorectal-cancer-stem-cells
#11
Hadi AlShamaileh, Tao Wang, Dongxi Xiang, Wang Yin, Phuong Ha-Lien Tran, Roberto A Barrero, Pei-Zhuo Zhang, Yong Li, Lingxue Kong, Ke Liu, Shu-Feng Zhou, Yingchun Hou, Sarah Shigdar, Wei Duan
The development of chemoresistance and inability in elimination of cancer stem cells are among the key limitations of cancer chemotherapy. Novel molecular therapeutic strategies able to overcome such limitations are urgently needed for future effective management of cancer. In this report, we show that EpCAM-aptamer-guided survivin RNAi effectively downregulated survivin both in colorectal cancer cells in vitro and in a mouse xenograft model for colorectal cancer. When combined with the conventional chemotherapeutic agents, the aptamer-guided survivin RNAi was able to enhance the sensitivity towards 5-FU or oxaliplatin in colorectal cancer stem cells, increase apoptosis, inhibit tumour growth and improve the overall survival of mice bearing xenograft colorectal cancer...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28724692/enhancing-studies-of-pharmacodynamic-mechanisms-via-measurements-of-metabolic-flux
#12
Natalie A Daurio, Sheng-Ping Wang, Ying Chen, Haihong Zhou, David G McLaren, Thomas P Roddy, Douglas G Johns, Denise Milot, Takhar Kasumov, Mark D Erion, David E Kelley, Stephen F Previs
Drug discovery and development efforts are largely based around a common expectation, namely, direct or indirect action on a cellular process (e.g. statin-mediated enzyme inhibition or insulin-stimulated receptor activation) will have a beneficial impact on physiological homeostasis. To expand on this, one could argue that virtually all pharmacological interventions attempt to influence the flow of traffic in a biochemical network, irrespective of disease or modality. Since stable isotope tracer kinetic methods provide a measure of traffic flow (i...
July 19, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28723468/trends-in-antibiotic-resistance-in-urologic-practice
#13
REVIEW
Hala Kandil, Emma Cramp, Tejal Vaghela
CONTEXT: The significant global upsurge in antimicrobial resistance, particularly among Enterobacteriaceae, represents a serious threat to health care systems. The implications for urologic practice are of particular concern. OBJECTIVE: To review trends in antibiotic resistance in urologic practice. EVIDENCE ACQUISITION: We report current European trends of resistance in Gram-negative uropathogens. EVIDENCE SYNTHESIS: In addition to β-lactam resistance, Gram-negative pathogens are often resistant to multiple drug classes, including aminoglycosides, fluoroquinolones, and carbapenems, commonly used to treat urologic infections...
October 2016: European Urology Focus
https://www.readbyqxmd.com/read/28722290/development-of-a-cardiovascular-diseases-risk-prediction-model-and-tools-for-chinese-patients-with-type-2-diabetes-mellitus-a-population-based-retrospective-cohort-study
#14
Eric Yuk Fai Wan, Daniel Yee Tak Fong, Colman Siu Cheung Fung, Esther Yee Tak Yu, Weng Yee Chin, Anca Ka Chun Chan, Cindy Lo Kuen Lam
AIMS: Evidence-based cardiovascular diseases(CVD) risk prediction models and tools specific for Chinese patients with type 2 diabetes mellitus(T2DM) are currently unavailable. This study aimed to develop and validate a CVD risk prediction model for Chinese T2DM patients. MATERIALS AND METHODS: A retrospective cohort study was conducted on 137 935 Chinese patients aged 18-79 years with T2DM and without prior history of CVD, who had received public primary care services between 1 January 2010 and 31 December 2010...
July 19, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28721972/ultrasound-imaging-features-of-isolated-pancreatic-tuberculosis
#15
Yi Dong, Christian Jürgensen, Rajesh Puri, Mirko D'Onofrio, Michael Hocke, Wen-Ping Wang, Nathan Atkinson, Malay Sharma, Christoph F Dietrich
BACKGROUND AND OBJECTIVES: Isolated pancreatic tuberculosis (PTB) is extremely rare worldwide. The purpose of this multicenter retrospective study is to analyze imaging features of histologically confirmed isolated PTB in order to determine the diagnostic features of the new methods contrast enhanced ultrasound (CEUS), ultrasound elastography and contrast enhanced endoscopic ultrasound (CE-EUS). PATIENTS AND METHODS: We report on a retrospective data collection of 12 cases of PTB confirmed by histology or cytology...
July 19, 2017: Endoscopic Ultrasound
https://www.readbyqxmd.com/read/28720427/the-challenges-and-promise-of-targeting-the-liver-x-receptors-for-treatment-of-inflammatory-disease
#16
REVIEW
Michael B Fessler
The Liver X Receptors (LXRs) are oxysterol-activated transcription factors that upregulate a suite of genes that together promote coordinated mobilization of excess cholesterol from cells and from the body. The LXRs, like other nuclear receptors, are anti-inflammatory, inhibiting signal-dependent induction of pro-inflammatory genes by nuclear factor-κB, activating protein-1, and other transcription factors. Synthetic LXR agonists have been shown to ameliorate atherosclerosis and a wide range of inflammatory disorders in preclinical animal models...
July 15, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28720331/a-novel-antihypertension-agent-sargachromenol-d-from-marine-brown-algae-sargassum-siliquastrum-exerts-dual-action-as-an-l-type-ca-2-channel-blocker-and-endothelin-a-b2-receptor-antagonist
#17
Byong-Gon Park, Woon-Seob Shin, Sangtae Oh, Gab-Man Park, Nam Ik Kim, Seokjoon Lee
We isolated the novel vasoactive marine natural products, (5E,10E)-14-hydroxy-2,6,10-trimethylpentadeca-5,10-dien-4-one (4) and sargachromenol D (5), from Sargassum siliquastrum collected from the coast of the East Sea in South Korea by using activity-guided HPLC purification. The compounds effectively dilated depolarization (50mMK(+))-induced basilar artery contraction with EC50 values of 3.52±0.42 and 1.62±0.63μM, respectively, but only sargachromenol D (5) showed a vasodilatory effect on endothelin-1 (ET-1)-induced basilar artery contraction (EC50=9...
July 6, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28720122/enhance-the-performance-of-current-scoring-functions-with-the-aid-of-3d-protein-ligand-interaction-fingerprints
#18
Jie Liu, Minyi Su, Zhihai Liu, Jie Li, Yan Li, Renxiao Wang
BACKGROUND: In structure-based drug design, binding affinity prediction remains as a challenging goal for current scoring functions. Development of target-biased scoring functions provides a new possibility for tackling this problem, but this approach is also associated with certain technical difficulties. We previously reported the Knowledge-Guided Scoring (KGS) method as an alternative approach (BMC Bioinformatics, 2010, 11, 193-208). The key idea is to compute the binding affinity of a given protein-ligand complex based on the known binding data of an appropriate reference complex, so the error in binding affinity prediction can be reduced effectively...
July 18, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28719744/high-resolution-insights-into-the-stepwise-self-assembly-of-nanofiber-from-bioactive-peptides
#19
Fude Sun, Long Chen, Xiufang Ding, Lida Xu, Xirui Zhou, Peng Wei, Jun-Feng Liang, Shi-Zhong Luo
Peptide self-assembly has a profound biological significance since self-assembled bioactive peptides are gifted with improved bioactivity as well as life-span. In this study, peptide self-assembly was investigated using a therapeutic peptide, PTP-7S (EENFLGALFKALSKLL). Combining experiments of atomic force microscopy (AFM), circular dichroism (CD) and 8-anilino-1-naphthalenesulfonic acid (ANS) fluorescence spectra, PTP-7S showing α-helix was found self-assembling into nanofibers in solution. Relying on the coarse-grained (CG) dynamic simulations, the self-assembling of PTP-7S was revealed as a stepwise process that peptide monomers first clustered into peptide-assembling units (PUs) with charged surface, and then the PUs integrated together to construct nano-fibril aggregates...
July 18, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28718641/in-silico-skin-model-a-multiscale-simulation-study-of-drug-transport
#20
Kishore Gajula, Rakesh Gupta, D B Sridhar, Beena Rai
Accurate in-silico models are required to predict the release of drug molecules through skin in order to supplement the in-vivo experiments for faster development/testing of drugs. The upper most layer of the skin, stratum corneum (SC), offers main resistance for permeation of actives. Most of the SC's molecular level models comprise of cholesterol, and phospholipids only, which is far from the reality. In this study we have implemented a multiscale modelling framework to obtain the release profile of three drugs namely Caffeine, Fentanyl and Naphthol through skin SC...
July 18, 2017: Journal of Chemical Information and Modeling
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