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https://www.readbyqxmd.com/read/28087399/advances-with-using-crispr-cas-mediated-gene-editing-to-treat-infections-with-hepatitis-b-virus-and-hepatitis-c-virus
#1
REVIEW
Buhle Moyo, Kristie Bloom, Tristan Scott, Abdullah Ely, Patrick Arbuthnot
Chronic infections with hepatitis B and hepatitis C viruses (HBV and HCV) account for the majority of cases of cirrhosis and hepatocellular carcinoma. Current therapies for the infections have limitations and improved efficacy is necessary to prevent complications in carriers of the viruses. In the case of HBV persistence, the replication intermediate comprising covalently closed circular DNA (cccDNA) is particularly problematic. Licensed therapies have little effect on cccDNA and HBV replication relapses following treatment withdrawal...
January 10, 2017: Virus Research
https://www.readbyqxmd.com/read/28071894/noninvasive-monitoring-of-blood-glucose-with-raman-spectroscopy
#2
Rishikesh Pandey, Santosh Kumar Paidi, Tulio A Valdez, Chi Zhang, Nicolas Spegazzini, Ramachandra Rao Dasari, Ishan Barman
The successful development of a noninvasive blood glucose sensor that can operate reliably over sustained periods of time has been a much sought after but elusive goal in diabetes management. Since diabetes has no well-established cure, control of elevated glucose levels is critical for avoiding severe secondary health complications in multiple organs including the retina, kidney and vasculature. While fingerstick testing continues to be the mainstay of blood glucose detection, advances in electrochemical sensing-based minimally invasive approaches have opened the door for alternate methods that would considerably improve the quality of life for people with diabetes...
January 10, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28053072/the-promise-of-new-technologies-to-reduce-refine-or-replace-animal-use-while-reducing-risks-of-drug-induced-liver-injury-in-pharmaceutical-development
#3
Frank D Sistare, William B Mattes, Edward L LeCluyse
Drug induced liver injury (DILI) has contributed more to marketed pharmaceutical withdrawals and clinical development failures than any other human organ toxicity. DILI seen in animal studies also frequently leads to the discontinuation of promising drug candidates very early in the pipeline. This manuscript reviews and critically assesses the current regulatory expectations; the current drug development approaches, strategies, and gaps; and the numerous exciting opportunities becoming available to address these gaps through technological advances...
December 2016: ILAR Journal
https://www.readbyqxmd.com/read/28017642/immunity-duration-of-a-recombinant-adenovirus-type-5-vector-based-ebola-vaccine-and-a-homologous-prime-boost-immunisation-in-healthy-adults-in-china-final-report-of-a-randomised-double-blind-placebo-controlled-phase-1-trial
#4
Jing-Xin Li, Li-Hua Hou, Fan-Yue Meng, Shi-Po Wu, Yue-Mei Hu, Qi Liang, Kai Chu, Zhe Zhang, Jun-Jie Xu, Rong Tang, Wen-Juan Wang, Pei Liu, Jia-Lei Hu, Li Luo, Rong Jiang, Feng-Cai Zhu, Wei Chen
BACKGROUND: The 2013-15 Ebola virus disease epidemic in west Africa greatly accelerated the development of Ebola vaccine. We aimed to analyse the immune persistence induced by one shot of an adenovirus type-5 vector-based Ebola virus vaccine up to 6 months and the effect of boosting with a homologous vector in healthy adults in China. METHODS: In a randomised, double-blind, placebo-controlled, phase 1 clinical trial in one site in Jiangsu Province, China, 120 healthy adults aged 18-60 years received an initial dose of intramuscular adenovirus type-5 Ebola virus vaccine of 4·0 × 10(10) viral particles, 1·6 × 10(11) viral particles, or placebo, and were followed up to day 168...
December 22, 2016: Lancet Global Health
https://www.readbyqxmd.com/read/27989403/-speaking-about-life-and-death-in-neonatology-how-can-communication-with-families-be-optimized
#5
T Pennaforte, A Moussa, A Janvier
Technological progress and improved clinical knowledge have increased survival of neonates who would previously have died. Survival is sometimes accompanied by a risk of short- or long-term adverse outcomes, which may lead to complex decisions about withholding or withdrawing life-sustaining interventions. These decisions are among the most difficult decisions in pediatric practice. They also involve communicating with parents and are emotionally charged. Many articles examining end-of-life decisions in neonatology state the need for healthcare providers to be caring, compassionate, and human without offering clear, practical advice...
December 15, 2016: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/27983691/evaluation-of-google-glass-technical-limitations-on-their-integration-in-medical-systems
#6
Antonio Martinez-Millana, Jose-Luis Bayo-Monton, Aroa Lizondo, Carlos Fernandez-Llatas, Vicente Traver
Google Glass is a wearable sensor presented to facilitate access to information and assist while performing complex tasks. Despite the withdrawal of Google in supporting the product, today there are multiple applications and much research analyzing the potential impact of this technology in different fields of medicine. Google Glass satisfies the need of managing and having rapid access to real-time information in different health care scenarios. Among the most common applications are access to electronic medical records, display monitorizations, decision support and remote consultation in specialties ranging from ophthalmology to surgery and teaching...
December 15, 2016: Sensors
https://www.readbyqxmd.com/read/27956364/proton-sensing-transistor-systems-for-detecting-ion-leakage-from-plasma-membranes-under-chemical-stimuli
#7
Yuki Imaizumi, Tatsuro Goda, Daniel F Schaffhauser, Jun-Ichi Okada, Akira Matsumoto, Yuji Miyahara
: The membrane integrity of live cells is routinely evaluated for cytotoxicity induced by chemical or physical stimuli. Recent progress in bioengineering means that high-quality toxicity validation is required. Here, we report a pH-sensitive transistor system developed for the continuous monitoring of ion leakage from cell membranes upon challenge by toxic compounds. Temporal changes in pH were generated with high reproducibility via periodic flushing of HepG2 cells on a gate insulator of a proton-sensitive field-effect transistor with isotonic buffer solutions with/without NH4Cl...
December 9, 2016: Acta Biomaterialia
https://www.readbyqxmd.com/read/27871910/pharmacological-studies-on-the-nop-and-opioid-receptor-agonist-pwt2-dmt-1-n-ofq-1-13
#8
Maria Camilla Cerlesi, Huiping Ding, Mark F Bird, Norikazu Kiguchi, Federica Ferrari, Davide Malfacini, Anna Rizzi, Chiara Ruzza, David G Lambert, Mei-Chuan Ko, Girolamo Calo, Remo Guerrini
An innovative chemical strategy named peptide welding technology (PWT) has been developed for the facile synthesis of tetrabranched peptides. [Dmt(1)]N/OFQ(1-13)-NH2 acts as a universal agonist for nociceptin/orphanin FQ (N/OFQ) and classical opioid receptors. The present study investigated the pharmacological profile of the PWT derivative of [Dmt(1)]N/OFQ(1-13)NH2 (PWT2-[Dmt(1)]) in several assays in vitro and in vivo after spinal administration in monkeys subjected to the tail withdrawal assay. PWT2-[Dmt(1)] mimicked the effects of [Dmt(1)]N/OFQ(1-13)-NH2 displaying full agonist activity, similar affinity/potency and selectivity at human recombinant N/OFQ (NOP) and opioid receptors in receptor binding, stimulation of [(35)S]GTPγS binding, calcium mobilization in cells expressing chimeric G proteins, and BRET studies for measuring receptor/G-protein and receptor/β-arrestin 2 interaction...
January 5, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/27826213/management-of-moderate-to-severe-chronic-low-back-pain-with-buprenorphine-buccal-film-using-novel-bioerodible-mucoadhesive-technology
#9
REVIEW
Joseph V Pergolizzi, Robert B Raffa, Charles Fleischer, Gianpietro Zampogna, Robert Taylor
With a global prevalence of ~9%-12%, low back pain (LBP) is a serious public health issue, associated with high costs for treatment and lost productivity. Chronic LBP (cLBP) involves central sensitization, a neuropathic pain component, and may induce maladaptive coping strategies and depression. Treating cLBP is challenging, and current treatment options are not fully satisfactory. A new BioErodible MucoAdhesive (BEMA(®)) delivery system for buprenorphine has been developed to treat cLBP. The buccal buprenorphine (BBUP) film developed for this product (Belbuca™) allows for rapid delivery and titration over a greater range of doses than was previously available with transdermal buprenorphine systems...
2016: Journal of Pain Research
https://www.readbyqxmd.com/read/27801708/pediatric-critical-care-transport-as-a-conduit-to-terminal-extubation-at-home-a-case-series
#10
Corina Noje, Meghan L Bernier, Philomena M Costabile, Bruce L Klein, Sapna R Kudchadkar
OBJECTIVES: To present our single-center's experience with three palliative critical care transports home from the PICU for terminal extubation. DESIGN: We performed a retrospective chart review of patients transported between January 1, 2012, and December 31, 2014. SETTING: All cases were identified from our institutional pediatric transport database. PATIENTS: Patients were terminally ill children unable to separate from mechanical ventilation in the PICU, who were transported home for terminal extubation and end-of-life care according to their families' wishes...
January 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/27778263/effects-of-electroacupuncture-intervention-on-expression-of-cyclooxygenase-2-and-microglia-in-spinal-cord-in-rat-model-of-neuropathic-pain
#11
Li-Li Ji, Meng-Wei Guo, Xiu-Jun Ren, Dong-Yu Ge, Gen-Mao Li, Ya Tu
OBJECTIVE: To investigate the effect of electroacupuncture (EA) treatment on the expression of cyclooxygenase (COX) 2 and microglia in spinal cord by using rat model of neuropathic pain, and to probe into the relationship between COX 2 and microglia. METHODS: The rats were randomly divided into 6 groups, including normal control group, model group, sham group, EA 1 group (distant acupoints + local acupoints), EA 2 group (local acupoints), and EA 3 group (distant acupoints)...
October 24, 2016: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/27771632/the-need-and-potential-of-inactivated-poliovirus-vaccine
#12
Julie Garon, Walter Orenstein, T Jacob John
As the polio endgame progresses, the world will increasingly rely on inactivated polio vaccine (IPV) for protection against polio (wild and vaccine-related) and for risk mitigation during the phased removal of oral polio vaccine (OPV). IPV has already been introduced in most countries and strategies are underway to ensure the remaining OPV-only using countries succeed in introducing IPV in light of operational challenges. Questions remain as to the ideal dosing schedule for IPV in developing countries as well as the length of time for IPV to be administered beyond certification of eradication of wild polioviruses and total OPV withdrawal...
August 7, 2016: Indian Pediatrics
https://www.readbyqxmd.com/read/27720268/development-of-inactivated-poliovirus-vaccine-from-sabin-strains-a%C3%A2-progress-report
#13
REVIEW
Hiromasa Okayasu, Carolyn Sein, Ahd Hamidi, Wilfried A M Bakker, Roland W Sutter
The Global Polio Eradication Initiative (GPEI) has seen significant progress since it began in 1988, largely due to the worldwide use of oral poliovirus vaccine (OPV). In order to achieve polio eradication the global cessation of OPV is necessary because OPV contains live attenuated poliovirus, which in rare circumstances could re-gain wild poliovirus (WPV) characteristics with potential to establish transmission. The GPEI endgame strategy for the period 2013-2018 recommends the globally synchronised sequential cessation of the Sabin strains contained in the OPV, starting with type 2 Sabin...
November 2016: Biologicals: Journal of the International Association of Biological Standardization
https://www.readbyqxmd.com/read/27694358/clarification-and-mitigation-of-ethical-problems-surrounding-withdrawal-of-extracorporeal-membrane-oxygenation
#14
Susan B Williams, Michael D Dahnke
Extracorporeal membrane oxygenation (ECMO) is temporary life-support technology that provides time to rest the cardiac and respiratory system of critically ill people with acute, reversible medical conditions. Health care providers face emotional and challenging situations, where death may result, when withdrawing ECMO. A deepening of understanding of the ethical issues involved can aid clinicians in handling such difficult situations, leading to a possible mitigation of the moral problems. Toward this end, the ethical issues raised in the consideration of ECMO withdrawal are analyzed with respect to the ethical principles and concepts of autonomy, nonmaleficence/beneficence, medical futility, moral distress, and justice...
October 2016: Critical Care Nurse
https://www.readbyqxmd.com/read/27689095/key-challenges-and-opportunities-associated-with-the-use-of-in-vitro-models-to-detect-human-dili-integrated-risk-assessment-and-mitigation-plans
#15
Franck A Atienzar, Eric A Blomme, Minjun Chen, Philip Hewitt, J Gerry Kenna, Gilles Labbe, Frederic Moulin, Francois Pognan, Adrian B Roth, Laura Suter-Dick, Okechukwu Ukairo, Richard J Weaver, Yvonne Will, Donna M Dambach
Drug-induced liver injury (DILI) is a major cause of late-stage clinical drug attrition, market withdrawal, black-box warnings, and acute liver failure. Consequently, it has been an area of focus for toxicologists and clinicians for several decades. In spite of considerable efforts, limited improvements in DILI prediction have been made and efforts to improve existing preclinical models or develop new test systems remain a high priority. While prediction of intrinsic DILI has improved, identifying compounds with a risk for idiosyncratic DILI (iDILI) remains extremely challenging because of the lack of a clear mechanistic understanding and the multifactorial pathogenesis of idiosyncratic drug reactions...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27683673/parent-child-perceptions-of-child-health-after-sibling-death
#16
Rosa M Roche, Dorothy Brooten, JoAnne M Youngblut
BACKGROUND: Understanding children's health after a sibling's death and what factors may affect it is important for treatment and clinical care. This study compared children's and their parents' perceptions of children's health and identified relationships of children's age, gender, race/ethnicity, anxiety, and depression and sibling's cause of death to these perceptions at 2 and 4 months after sibling death. METHODS: 64 children and 48 parents rated the child's health "now" and "now vs before" the sibling's death in an ICU or ER or at home shortly after withdrawal of life-prolonging technology...
2016: International Journal of Nursing & Clinical Practices
https://www.readbyqxmd.com/read/27662761/turbulence-in-microfluidics-cleanroom-free-fast-solventless-and-bondless-fabrication-and-application-in-high-throughput-liquid-liquid-extraction
#17
Camila L de Camargo, Letícia S Shiroma, Gabriela F Giordano, Angelo L Gobbi, Luis C S Vieira, Renato S Lima
This paper addresses an important breakthrough in the deployment of ultra-high adhesion strength microfluidic technologies to provide turbulence at harsh flow rate conditions. This paper is only, to our knowledge, the second reporting on the generation of high flow rate-assisted turbulence in microchannels. This flow solves a crucial bottleneck in microfluidics: the generation of high throughput homogeneous mixings. We focused on the fabrication of bulky polydimethylsiloxane (PDMS) microchips (without any interfaces) rather than the laborious surface modifications that were employed in the first reporting about turbulence-assisted microfluidics...
October 12, 2016: Analytica Chimica Acta
https://www.readbyqxmd.com/read/27660567/using-the-minimally-invasive-impella-5-0-via-the-right-subclavian-artery-cutdown-for-acute-on-chronic-decompensated-heart-failure-as-a-bridge-to-decision
#18
Aditya Bansal, Jay K Bhama, Rajan Patel, Sapna Desai, Stacy A Mandras, Hamang Patel, Tyrone Collins, John P Reilly, Hector O Ventura, P Eugene Parrino
BACKGROUND: Outcomes of traditional mechanical support paradigms (extracorporeal membrane oxygenation, intraaortic balloon pump [IABP], and permanent left ventricular assist device [LVAD]) in acute decompensated heart failure have generally been suboptimal. Novel approaches, such as minimally invasive LVAD therapy (Impella 5.0 device), promise less invasive but equivalent hemodynamic support. However, it is yet unknown whether the outcomes with such devices support widespread acceptance of this new technology...
2016: Ochsner Journal
https://www.readbyqxmd.com/read/27658956/development-of-short-form-and-screening-cutoff-point-of-the-smartphone-addiction-inventory-spai-sf
#19
Yu-Hsuan Lin, Yuan-Chien Pan, Sheng-Hsuan Lin, Sue-Huei Chen
Smartphone addiction is considered a form of technological addiction that has attracted increasing attention. The present study developed and validated the short-form Smartphone Addiction Inventory (SPAI-SF) and established cutoff point for screening smartphone addiction based on diagnostic criteria established by psychiatric interview. A total of 268 participants completed an online survey that collected demographic data, smartphone use behaviours, and responses to the 26-item SPAI. Each participant also completed a psychiatric interview...
September 23, 2016: International Journal of Methods in Psychiatric Research
https://www.readbyqxmd.com/read/27597831/biomarkers-in-dili-one-more-step-forward
#20
REVIEW
Mercedes Robles-Díaz, Inmaculada Medina-Caliz, Camilla Stephens, Raúl J Andrade, M Isabel Lucena
Despite being relatively rare, drug-induced liver injury (DILI) is a serious condition, both for the individual patient due to the risk of acute liver failure, and for the drug development industry and regulatory agencies due to associations with drug development attritions, black box warnings, and postmarketing withdrawals. A major limitation in DILI diagnosis and prediction is the current lack of specific biomarkers. Despite refined usage of traditional liver biomarkers in DILI, reliable disease outcome predictions are still difficult to make...
2016: Frontiers in Pharmacology
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