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https://www.readbyqxmd.com/read/28230657/stabilized-hiv-1-envelope-glycoprotein-trimers-for-vaccine-use
#1
Max Medina-Ramírez, Rogier W Sanders, Quentin J Sattentau
PURPOSE OF REVIEW: To provide an update on the latest developments in the field of HIV-1 antibody-based soluble envelope glycoprotein (Env) trimer design for vaccine use. RECENT FINDINGS: The development of soluble native-like HIV-1 Env trimer immunogens has moved the field of antibody-based vaccine design forward dramatically over the past few years with refinement of various stabilizing approaches. However, despite this progress, significant challenges remain...
February 21, 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/28229383/mirna-based-heavy-metal-homeostasis-and-plant-growth
#2
Ali Noman, Muhammad Aqeel
Plants have been naturally gifted with mechanisms to adjust under very high or low nutrient concentrations. Heavy metal toxicity is considered as a major growth and yield-limiting factor for plants. This stress includes essential as well as non-essential metals. MicroRNAs (miRNAs) are known for mediating post-transcriptional regulation by cleaving transcripts or translational inhibition. It is commonly agreed that an extensive understanding of plant miRNAs will significantly help in the induction of tolerance against environmental stresses...
February 22, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28229171/potential-biomarkers-associated-with-oxidative-stress-for-risk-assessment-of-colorectal-cancer
#3
REVIEW
Paramita Mandal
Cells are continuously threatened by the damage caused by reactive oxygen/nitrogen species (ROS/RNS), which are produced during physiological oxygen metabolism. In our review, we will summarize the latest reports on the role of oxidative stress and oxidative stress-induced signaling pathways in the etiology of colorectal cancer. The differences in ROS generation may influence the levels of oxidized proteins, lipids, and DNA damage, thus contributing to the higher susceptibility of colon. Reactive species (RS) of various types are formed and are powerful oxidizing agents, capable of damaging DNA and other biomolecules...
February 22, 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/28228770/cytokinins-on-the-move
#4
REVIEW
Yolanda Durán-Medina, David Díaz-Ramírez, Nayelli Marsch-Martínez
Cytokinins are important signals that participate in different plant processes, and are well known for their strong influence in plant development. With the years, knowledge has been built about their effects, chemical nature, metabolism, and signaling mechanisms. However, one aspect about cytokinins that has been lagging behind is cytokinin transport. Recent reports are providing more information about how cytokinins are transported and how their transport is connected to their effects in development. This review provides a general overview of what is known about cytokinin transport, with a focus on the latest reports...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28228614/current-solutions-for-long-segment-tracheal-reconstruction
#5
Ahmed A Abouarab, Hany H Elsayed, Hussein Elkhayat, Ahmed Mostafa, David C Cleveland, Ahmed El Nori
This article is a continuation of previous reviews about the appropriate method for long-segment tracheal reconstruction. We attempted to cover the most recent, successful and promising results of the different solutions for reconstruction that are rather innovative and suitable for imminent clinical application. Latest efforts to minimize the limitations associated with each method have been covered as well. In summary, autologous and allogenic tissue reconstruction of the trachea have been successful methods for reconstruction experimentally and clinically...
February 23, 2017: Annals of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28228086/clinical-trials-with-oncolytic-measles-virus-current-status-and-future-prospects
#6
Pavlos Msaouel, Mateusz Opyrchal, Angela Dispenzieri, Kah Whye Peng, Mark J Federspiel, Stephen J Russell, Evanthia Galanis
Attenuated Edmonston lineage measles virus (MV-Edm) vaccine strains can preferentially infect and lyse a wide variety of cancer cells. Oncolytic MV-Edm derivatives genetically engineered to expressed the human carcinoembryonic antigen (MV-CEA virus) or the human sodium iodide symporter (MV-NIS virus) and are currently being tested in clinical trials against ovarian cancer, glioblastoma multiforme, multiple myeloma, mesothelioma, head and neck cancer, breast cancer and malignant peripheral nerve sheath tumors...
February 22, 2017: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/28228079/lipid-based-nanoparticles-as-carriers-for-dermal-delivery-of-antioxidants
#7
Lucia Montenegro
The skin, being the outermost layer of our body, is constantly exposed to oxidative stress induced by UV-radiation, pollutants, smoke and xenobiotics. To counteract the deleterious effects of such exposure, the skin is equipped with a complex anti-oxidation system, involving both exogenous and endogenous antioxidants. As low molecular weight antioxidants undergo depletion in counteracting oxidative stress occurring in the skin, topical supplementation with these agents is regarded as a suitable strategy to restore skin oxidative balance...
February 22, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/28228076/transdermal-drug-delivery-opportunities-and-challenges-for-controlled-delivery-of-therapeutic-agents-using-nanocarriers
#8
Balak Das Kurmi, Pawan Tekchandani, Rishi Paliwal, Shivani Rai Paliwal
BACKGROUND: Transdermal drug delivery represents an extremely attractive and innovative route across the skin owing to the possibility for achieving systemic effect of drugs. Present scenario demands a special focus on developing safe medicine with minimize toxic adverse effects related to most of the pharmacologically active agents. Transdermal drug delivery would be a focal paradigm which provides patient convenience, first-pass hepatic metabolism avoidance, local targeting and reduction in toxic effect related to various categories of drugs like, analgesics, anti-inflammatory, antibiotics, antiviral, anaesthetic, anticancer etc...
February 22, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/28228073/principal-physicochemical-methods-used-to-characterize-dendrimer-molecule-complexes-used-as-genetic-therapy-agents-nanovaccines-or-drug-carriers
#9
Rodríguez Fonseca Rolando Alberto, Rodrigues Joao, Muñoz-Fernández María de Los Angeles, Martínez Muñoz Alberto, Fragoso Vázquez Manuel Jonathan, Correa Basurto José
Nanomedicine is the application of nanotechnology to medicine. This field is related to the study of nanodevices and nanomaterials applied to various medical uses, such as in improving the pharmacological properties of different molecules. Dendrimers are synthetic nanoparticles whose physicochemical properties vary according to their chemical structure. These molecules have been extensively investigated as drug nanocarriers to improve drug solubility and as sustained-release systems. New therapies such as gene therapy and the development of nanovaccines can be improved by the use of dendrimers...
February 20, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28225790/direct-and-indirect-effects-of-enablers-on-hiv-testing-initiation-and-retention-in-antiretroviral-treatment-and-aids-related-mortality
#10
Ali Safarnejad, Jose-Antonio Izazola-Licea
BACKGROUND: An enabling environment is believed to have significant and critical effects on HIV and AIDS program implementation and desired outcomes. This paper estimates the paths, directionality, and direct and indirect associations between critical enablers with antiretroviral treatment (ART) coverage and to AIDS-related mortality. METHODS: Frameworks that consider the role of enablers in HIV and AIDS programs were systematically reviewed to develop a conceptual model of interaction...
2017: PloS One
https://www.readbyqxmd.com/read/28225287/-predatory-journals-how-their-publishers-operate-and-how-to-avoid-them
#11
Jiří Kratochvíl, Lukáš Plch
Authors who publish in scientific or scholarly journals today face the risk of publishing in so-called predatory journals. These journals exploit the noble idea of the Open Access movement, whose goal is to make the latest scientific findings available for free. Predatory journals, unlike the reputable ones working on an Open Access basis, neglect the review process and publish low-quality submissions. The basic attributes of predatory journals are a very quick review process or even none at all, failure to be transparent about author fees for publishing an article, misleading potential authors by imitating the names of well-established journals, and false information on indexing in renowned databases or assigned impact factor...
2017: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/28223232/the-versatility-and-paradox-of-gdf-11
#12
REVIEW
A Jamaiyar, W Wan, D M Janota, M K Enrick, W M Chilian, L Yin
In addition to its roles in embryonic development, Growth and Differentiation Factor 11 (GDF 11) has recently drawn much interest about its roles in other processes, such as aging. GDF 11 has been shown to play pivotal roles in the rescue of the proliferative and regenerative capabilities of skeletal muscle, neural stem cells and cardiomyocytes. We would be remiss not to point that some controversy exists regarding the role of GDF 11 in biological processes and whether it will serve as a therapeutic agent. The latest studies have shown that the level of circulating GDF 11 correlates with the outcomes of patients with cardiovascular diseases, cancer and uremia...
February 13, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28222010/optical-tweezers-studies-of-transcription-by-eukaryotic-rna-polymerases
#13
Ana Lisica, Stephan W Grill
Transcription is the first step in the expression of genetic information and it is carried out by large macromolecular enzymes called RNA polymerases. Transcription has been studied for many years and with a myriad of experimental techniques, ranging from bulk studies to high-resolution transcript sequencing. In this review, we emphasise the advantages of using single-molecule techniques, particularly optical tweezers, to study transcription dynamics. We give an overview of the latest results in the single-molecule transcription field, focusing on transcription by eukaryotic RNA polymerases...
February 21, 2017: Biomolecular Concepts
https://www.readbyqxmd.com/read/28220395/single-cell-sequencing-a-distinct-new-field
#14
REVIEW
Jian Wang, Yuanlin Song
Single cell sequencing (SCS) has become a new approach to study biological heterogeneity. The advancement in technologies for single cell isolation, amplification of genome/transcriptome and next-generation sequencing enables SCS to reveal the inherent properties of a single cell from the large scale of the genome, transcriptome or epigenome at high resolution. Recently, SCS has been widely applied in various clinical and research fields, such as cancer biology and oncology, immunology, microbiology, neurobiology and prenatal diagnosis...
December 2017: Clinical and Translational Medicine
https://www.readbyqxmd.com/read/28219938/endovascular-treatment-of-intracranial-aneurysms-with-the-woven-endobridge-device-mid-term-and-long-term-results
#15
Benjamin Mine, Alexandra Goutte, Denis Brisbois, Boris Lubicz
PURPOSE: To evaluate the clinical and anatomical results of treatment of intracranial aneurysms (IA) with the Woven EndoBridge (WEB) device, with emphasis on mid term and long term follow-up. METHODS: Between November 2010 and November 2015, we retrospectively identified, in our prospectively maintained database, all patients treated by WEB device placement for an IA at three institutions. Clinical charts, procedural data, and angiographic results were reviewed...
February 20, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28218674/nanomaterials-for-the-selective-detection-of-hydrogen-sulfide-in-air
#16
REVIEW
Eduard Llobet, Jérôme Brunet, Alain Pauly, Amadou Ndiaye, Christelle Varenne
This paper presents a focused review on the nanomaterials and associated transduction schemes that have been developed for the selective detection of hydrogen sulfide. It presents a quite comprehensive overview of the latest developments, briefly discusses the hydrogen sulfide detection mechanisms, identifying the reasons for the selectivity (or lack of) observed experimentally. It critically reviews performance, shortcomings, and identifies missing or overlooked important aspects. It identifies the most mature/promising materials and approaches for achieving inexpensive hydrogen sulfide sensors that could be employed in widespread, miniaturized, and inexpensive detectors and, suggests what research should be undertaken for ensuring that requirements are met...
February 17, 2017: Sensors
https://www.readbyqxmd.com/read/28217778/a-critical-insight-into-the-development-pipeline-of-microfluidic-immunoassay-devices-for-the-sensitive-quantitation-of-protein-biomarkers-at-the-point-of-care
#17
REVIEW
Ana I Barbosa, Nuno M Reis
The latest clinical procedures for the timely and cost-effective diagnosis of chronic and acute clinical conditions, such as cardiovascular diseases, cancer, chronic respiratory diseases, diabetes or sepsis (i.e. the biggest causes of death worldwide), involve the quantitation of specific protein biomarkers released into the blood stream or other physiological fluids (e.g. urine or saliva). The clinical thresholds are usually in the femtomolar to picolomar range, and consequently the measurement of these protein biomarkers heavily relies on highly sophisticated, bulky and automated equipment in centralised pathology laboratories...
February 20, 2017: Analyst
https://www.readbyqxmd.com/read/28217240/microfluidics-cell-sample-preparation-for-analysis-advances-in-efficient-cell-enrichment-and-precise-single-cell-capture
#18
REVIEW
Liang Huang, Shengtai Bian, Yinuo Cheng, Guanya Shi, Peng Liu, Xiongying Ye, Wenhui Wang
Single cell analysis has received increasing attention recently in both academia and clinics, and there is an urgent need for effective upstream cell sample preparation. Two extremely challenging tasks in cell sample preparation-high-efficiency cell enrichment and precise single cell capture-have now entered into an era full of exciting technological advances, which are mostly enabled by microfluidics. In this review, we summarize the category of technologies that provide new solutions and creative insights into the two tasks of cell manipulation, with a focus on the latest development in the recent five years by highlighting the representative works...
January 2017: Biomicrofluidics
https://www.readbyqxmd.com/read/28216838/color-matching-in-facial-prosthetics-a-systematic-review
#19
REVIEW
Rani Ranabhatt, Kamleshwar Singh, Ramashanker Siddharth, Shuchi Tripathi, Deeksha Arya
Color matching to the surrounding skin is extremely important in patients wearing maxillofacial prostheses. It is of utmost importance to know the different techniques of color matching and coloring in maxillofacial prostheses. The purpose of this study is to review the literature data with regard to color matching in maxillofacial prosthetics. An electronic search of peer review restricted to English language dental literature was conducted to identify the relevant scientific article on color matching and coloring in maxillofacial prostheses...
January 2017: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/28216454/protective-effects-of-short-term-dietary-restriction-in-surgical-stress-and-chemotherapy
#20
REVIEW
Sebastian Brandhorst, Eylul Harputlugil, James R Mitchell, Valter D Longo
Reduced caloric intake including fasting, as well as the dietary composition or the timing of food intake impact longevity, likely through a modification in the onset or the severity of chronic aging-related diseases such as cancer. As with pre- and post-operative dietary recommendations, evidence-based nutritional advice from healthcare professionals during and after cancer treatment is often vague or conflicting. We hypothesize that preventive dietary recommendations can help in the context of both chronic cancer treatment efficacy and the avoidance of development of secondary malignancies, as well as in the context of protection from the acute stress of surgery...
February 16, 2017: Ageing Research Reviews
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