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Game changer

Federica Scaletti, Joseph Hardie, Yi-Wei Lee, David C Luther, Moumita Ray, Vincent M Rotello
The delivery of proteins into cells is a potential game changer for a wide array of therapeutic purposes, including cancer therapy, immunomodulation and treatment of inherited diseases. In this review, we present recently developed nanoassemblies for protein delivery that utilize strategies that range from direct assembly, encapsulation and composite formation. We will discuss factors that affect the efficacy of nanoassemblies for delivery from the perspective of both nanoparticles and proteins. Challenges in the field, particularly achieving effective cytosolar protein delivery through endosomal escape or evasion are discussed...
March 14, 2018: Chemical Society Reviews
Marielle Walraven, Boris Hinz
Organ fibrosis is characterized by the accumulation of disorganized and stiff extracellular matrix (ECM) and represents the final stage of several life-threatening diseases. The progressive replacement of normal tissue by fibrotic ECM impedes organ functionality to the point of failure. Fibrosis affects millions of people worldwide with no effective cure for various reasons: (a) Due to the lack of clinical biomarkers and non-invasive detection methods fibrosis is often diagnosed too late, when organs are already destroyed beyond repair...
February 27, 2018: Matrix Biology: Journal of the International Society for Matrix Biology
Jacob Shapira, Yaniv Keren, Nadav Rinott, Yaron Berkovich
We are now standing four decades after the 'running revolution' which occurred during the 70's of the previous century. Despite the developments that have occurred in medicine and the large budgets invested in the development of the sport's equipment, the runner's morbidity has not changed. In this article, we would like to review the changes in running that occurred throughout the years, as well as the common risk factors for running injuries. Furthermore, we would like to examine the scientific point of view regarding running shoes and running technique as risk factors for running injuries...
February 2018: Harefuah
Thanthima Suwanthawornkul, Naiyana Praditsitthikorn, Wantanee Kulpeng, Manuel Alexander Haasis, Anna Melissa Guerrero, Yot Teerawattananon
Background: Many economic evaluations ignore economies of scale in their cost estimation, which means that cost parameters are assumed to have a linear relationship with the level of production. Economies of scale is the situation when the average total cost of producing a product decreases with increasing volume caused by reducing the variable costs due to more efficient operation. This study investigates the significance of applying the economies of scale concept: the saving in costs gained by an increased level of production in economic evaluation of pneumococcal conjugate vaccines (PCV) and human papillomavirus (HPV) vaccinations...
2018: Cost Effectiveness and Resource Allocation: C/E
Victoria Ponce Hardy
No abstract text is available yet for this article.
February 12, 2018: Tropical Medicine & International Health: TM & IH
Kandarp Priyakant Parikh, Ravi Jineshkumar Jain, Aditya Parikh Kandarp
Introduction: Success of any modality for stone disease needs to be evaluated in terms of Stone Free Rates (SFR), auxiliary procedures needed; complications and follow up. SFR in RIRS is subject to parameters like stone burden, location, number, hardness, composition; calyceal and ureter anatomy; use of ureteric access sheath (UAS); surgeon experience etc. Methods: The aim of this study is to evaluate the efficacy and safety of RIRS for managing upper tract stones...
January 2018: Urology Annals
David Tuller
Initially billed as a game changer, Truvada has faced multiple obstacles to widespread adoption.
February 2018: Health Affairs
Hiroshi Doi, Naohito Beppu, Kazuhiro Kitajima, Kozo Kuribayashi
Surgical resection is the standard therapy for solitary primary or metastatic liver tumors. However, liver tumors are often unresectable at diagnosis and hepatectomy is invasive. Local therapies, such as radiofrequency ablation, are used instead, which can be challenging. Recent advances in modern radiotherapy, including stereotactic body radiation therapy (SBRT), have increased the use of radiotherapy as a curative modality. SBRT delivers ablative high doses of irradiation in small volumes. SBRT for liver tumors provided local control with potential survival benefits in patients with inoperable status...
February 2018: Anticancer Research
Matilde Inglese, Lazar Fleysher, Niels Oesingmann, Maria Petracca
Magnetic resonance imaging (MRI) is of paramount importance for the early diagnosis of multiple sclerosis (MS) and MRI findings are part of the MS diagnostic criteria. There is a growing interest in the use of ultra-high-field strength -7 Tesla- (7T) MRI to investigate, in vivo, the pathological substrate of the disease. Areas covered: An overview of 7T MRI applications in MS focusing on increased sensitivity for lesion detection, specificity of the central vein sign and better understanding of MS pathophysiology and discuss the implications for disease diagnosis, monitoring and treatment planning...
January 25, 2018: Expert Review of Neurotherapeutics
Tony R Walker
No abstract text is available yet for this article.
January 25, 2018: Nature
Angela U Pathmanathan, Nicholas J van As, Linda G W Kerkmeijer, John Christodouleas, Colleen A F Lawton, Danny Vesprini, Uulke A van der Heide, Steven J Frank, Simeon Nill, Uwe Oelfke, Marcel van Herk, X Allen Li, Kathryn Mittauer, Mark Ritter, Ananya Choudhury, Alison C Tree
Radiation therapy to the prostate involves increasingly sophisticated delivery techniques and changing fractionation schedules. With a low estimated α/β ratio, a larger dose per fraction would be beneficial, with moderate fractionation schedules rapidly becoming a standard of care. The integration of a magnetic resonance imaging (MRI) scanner and linear accelerator allows for accurate soft tissue tracking with the capacity to replan for the anatomy of the day. Extreme hypofractionation schedules become a possibility using the potentially automated steps of autosegmentation, MRI-only workflow, and real-time adaptive planning...
February 1, 2018: International Journal of Radiation Oncology, Biology, Physics
Daniel Markl, Alexa Strobel, Rüdiger Schlossnikl, Johan Bøtker, Prince Bawuah, Cathy Ridgway, Jukka Rantanen, Thomas Rades, Patrick Gane, Kai-Erik Peiponen, J Axel Zeitler
Traditionally, the development of a new solid dosage form is formulation-driven and less focus is put on the design of a specific microstructure for the drug delivery system. However, the compaction process particularly impacts the microstructure, or more precisely, the pore architecture in a pharmaceutical tablet. Besides the formulation, the pore structure is a major contributor to the overall performance of oral solid dosage forms as it directly affects the liquid uptake rate, which is the very first step of the dissolution process...
January 13, 2018: International Journal of Pharmaceutics
Joachim H A Krug
BACKGROUND: Forests have always played an important role in agreeing on accounting rules during the past two decades of international climate policy development. Starting from activity-based gross-net accounting of selected forestry activities to mandatory accounting against a baseline-rules have changed quite rapidly and with significant consequences for accounted credits and debits. Such changes have direct consequences on incentives for climate-investments in forestry. There have also been strong arguments not to include forests into the accounting system by considering large uncertainties, procedural challenges and a fear of unearned credits corrupting the overall accounting system, among others...
January 3, 2018: Carbon Balance and Management
Seung Bae Yoon, Jae Hyuck Chang
No abstract text is available yet for this article.
December 2017: Hepatobiliary Surgery and Nutrition
Vipool K Goradia
Placing stem cells at the tendon-bone interface of a soft tissue anterior cruciate ligament (ACL) reconstruction in an animal model accelerates graft incorporation at 12 weeks. A 3D-printed scaffold used to deliver the stem cells completely degraded at 12 weeks. Future clinical application of similar technology may improve outcomes after ACL reconstruction.
January 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
M Zaid Iskandar, C C Lang
Heart failure is a term used to define a constellation of symptoms and signs that are commonly attributed to the inability of the heart to produce a cardiac output that meets the demands of the body. It remains a deadly disease, affecting between 1-2% of the population, and is more common in the elderly, with around 6-10% of patients over 65 suffering from the condition. Sacubitril/valsartan (LCZ-696) is a combined neprilysin inhibitor and angiotensin AT1 receptor blocker approved in recent years for the treatment of chronic heart failure with reduced ejection fraction...
October 2017: Drugs of Today
Thierry VandenDriessche, Marinee K Chuah
No abstract text is available yet for this article.
January 3, 2018: Molecular Therapy: the Journal of the American Society of Gene Therapy
Foad Nahai, Jeffrey M Kenkel
No abstract text is available yet for this article.
December 13, 2017: Aesthetic Surgery Journal
Karen Bush
Recent regulatory approvals for the β-lactam inhibitor combinations of ceftazidime-avibactam and meropenem-vaborbactam have provided two novel therapeutic options for the treatment of multidrug-resistant infections caused by Gram-negative bacteria. Most importantly, these combination agents have satisfied an important medical need related to antibiotic-resistant Klebsiella pneumoniae that produce serine carbapenemases, especially the Klebsiella pneumoniae carbapenemase (KPC) enzymes. Both combinations contain non-β-lactam β-lactamase inhibitors of novel chemical classes not previously developed as antibacterial agents, the diazabicyclooctanes and cyclic boronic acid derivatives...
February 9, 2018: ACS Infectious Diseases
Antonio Abbate
No abstract text is available yet for this article.
December 2017: Journal of Cardiovascular Pharmacology
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