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https://www.readbyqxmd.com/read/28106829/advances-in-monitoring-cell-based-therapies-with-magnetic-resonance-imaging-future-perspectives
#1
REVIEW
Ethel J Ngen, Dmitri Artemov
Cell-based therapies are currently being developed for applications in both regenerative medicine and in oncology. Preclinical, translational, and clinical research on cell-based therapies will benefit tremendously from novel imaging approaches that enable the effective monitoring of the delivery, survival, migration, biodistribution, and integration of transplanted cells. Magnetic resonance imaging (MRI) offers several advantages over other imaging modalities for elucidating the fate of transplanted cells both preclinically and clinically...
January 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28106556/an-improved-drugs-screening-system-reveals-that-baicalein-ameliorates-the-a%C3%AE-ampa-nmda-induced-depolarization-of-neurons
#2
Tian-Syuan Lin, Han-Jung Tsai, Chih-Han Lee, Yan-Qing Song, Rih-Sheng Huang, Hsiu-Mei Hsieh-Li, Mei-Chih Liang, Yenshou Lin
The presence of amyloid-β (Aβ) plaque and tau protein hyperphosphorylation in brain tissue is the pathological hallmark of Alzheimer's disease (AD). At least some Aβ neurotoxicity is caused by the presence of excess glutamate that has been induced by Aβ accumulation. Memantine is currently the only NMDA receptor inhibitor approved for treating moderate-to-severe AD patients. We utilized primary cortical neurons and DiBAC4(3), a slow-response voltage sensitive fluorescence dye, to create a novel system for screening herbal medicines that allows the identification of pure compounds able to ameliorate Aβ-induced abnormal depolarization...
January 18, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28102546/ataluren-and-similar-compounds-specific-therapies-for-premature-termination-codon-class-i-mutations-for-cystic-fibrosis
#3
REVIEW
Aisha A Aslam, Colin Higgins, Ian P Sinha, Kevin W Southern
BACKGROUND: Cystic fibrosis is a common life-shortening genetic disorder in the Caucasian population (less common in other ethnic groups) caused by the mutation of a single gene that codes for the production of the cystic fibrosis transmembrane conductance regulator protein. This protein coordinates the transport of salt (and bicarbonate) across cell surfaces and the mutation most notably affects the airways. In the lungs of people with cystic fibrosis, defective protein results in a dehydrated surface liquid and compromised mucociliary clearance...
January 19, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28098867/-retracted-nuclear-import-of-prototype-foamy-virus-transactivator-bel1-is-mediated-by-kpna1-kpna6-and-kpna7
#4
Jihui Duan, Zhiqin Tang, Hong Mu, Guojun Zhang
We would like to retract the article entitled "Nuclear import of prototype foamy virus transactivator Bel1 is mediated by KPNA1, KPNA6 and KPNA7" published in International Journal of Molecular Medicine 38: 339-406, 2016. The results presented in Fig. 6 have been demonstrated to be unreproducible, and we cannot provide an explanation for this. Furthermore, we have recently identified that the cell cultures used in our experiments were partly contaminated with Mycoplasma, which could have contributed to the irreproducibility of the results...
January 17, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28096717/immune-checkpoint-inhibitors-in-the-era-of-precision-medicine-what-radiologists-should-know
#5
REVIEW
Marta Braschi-Amirfarzan, Sree Harsha Tirumani, Frank Stephen Hodi, Mizuki Nishino
Over the past five years immune-checkpoint inhibitors have dramatically changed the therapeutic landscape of advanced solid and hematologic malignancies. The currently approved immune-checkpoint inhibitors include antibodies to cytotoxic T-lymphocyte antigen-4, programmed cell death (PD-1), and programmed cell death ligand (PD-L1 and PD-L2). Response to immune-checkpoint inhibitors is evaluated on imaging using the immune-related response criteria. Activation of immune system results in a unique toxicity profile termed immune-related adverse events...
January 2017: Korean Journal of Radiology: Official Journal of the Korean Radiological Society
https://www.readbyqxmd.com/read/28090068/relationship-between-physicochemical-properties-of-medical-supplies-and-serious-adverse-drug-reactions-listed-in-the-package-inserts
#6
Reiko Yano, Fumiko Ohtsu, Nobuyuki Goto
<bibitem lang="en">  We sought to clarify the relationship between the physicochemical properties of each medical supply and serious adverse drug reactions listed in the package inserts, by reviewing new information. We investigated 1) 1,078 medicines currently available on the domestic Japanese market by using physicochemical data, such as cLogD, molecular weight (MW), and pKa and 2) the serious adverse drug reactions stated in the package inserts and the presence or absence of serious renal and liver disorders, as well as mental, extrapyramidal, and skin disorders...
January 13, 2017: Yakugaku Zasshi: Journal of the Pharmaceutical Society of Japan
https://www.readbyqxmd.com/read/28071986/evaluation-of-a-two-year-routine-application-of-molecular-testing-of-thyroid-fine-needle-aspirations-fna-using-a-7-gene-panel-in-a-primary-referral-setting-in-germany
#7
Markus Eszlinger, Katharina Böhme, Maha Ullmann, Fabian Görke, Udo Siebolts, Anna Neumann, Christiane Franzius, Sabine Adam, Thomas Molwitz, Christian Landvogt, Bassam Amro, Anja Hach, Berit Feldmann, Dieter Graf, Antje Wefer, Rainer Niemann, Catharina Bullmann, Günther Klaushenke, Reinhard Santen, Gregor Tönshoff, Velimir Ivancevic, Andreas Kögler, Eberhard Bell, Bernd Lorenz, Gerald Kluge, Christoph Hartenstein, Ilka Ruschenburg, Ralf Paschke
BACKGROUND: Major differences with respect to the diagnostic performance of a "ruling in" approach in the pre-surgical diagnosis of indeterminate thyroid fine needle aspirations (FNAs) have been reported. Therefore, the aim of this prospective multicenter study was to investigate the specific diagnostic impact of mutation testing using a 7-gene-panel in a routine primary referral setting analyzing FNAs from endocrinology and nuclear medicine practices in Germany. METHODS: RNA and DNA was extracted from 564 routine air-dried FNA smears obtained from 64 physicians and cytologically graded by one experienced cytopathologist...
January 10, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28064089/frontiers-of-high-throughput-metabolomics
#8
REVIEW
Mattia Zampieri, Karthik Sekar, Nicola Zamboni, Uwe Sauer
Large scale metabolomics studies are increasingly used to investigate genetically different individuals and time-dependent responses to environmental stimuli. New mass spectrometric approaches with at least an order of magnitude more rapid analysis of small molecules within the cell's metabolome are now paving the way towards true high-throughput metabolomics, opening new opportunities in systems biology, functional genomics, drug discovery, and personalized medicine. Here we discuss the impact and advantages of the progress made in profiling large cohorts and dynamic systems with high temporal resolution and automated sampling...
January 5, 2017: Current Opinion in Chemical Biology
https://www.readbyqxmd.com/read/28063511/tiny-molecule-big-power-multi-target-approach-for-curcumin-in-diabetic-cardiomyopathy
#9
REVIEW
Vengadeshprabhu Karuppagounder, Somasundaram Arumugam, Vijayasree V Giridharan, Remya Sreedhar, Rajendran J C Bose, Jyothi Vanama, Suresh S Palaniyandi, Tetsuya Konishi, Kenichi Watanabe, Rajarajan A Thandavarayan
Diabetic cardiomyopathy (DCM) is described as impaired cardiac diastolic and systolic functions. Diabetes mellitus (DM), a related cardiovascular disease, has become one of the major causes of death in DM patients. Mortality in these diseases is 2 to 3 times higher than in non-DM patients with cardiovascular disease. The progression of DCM and the cellular and molecular perturbations associated with the pathogenesis are complex and multifactorial. Although considerable progress has been achieved, the molecular etiologies of DCM remain poorly understood...
February 2017: Nutrition
https://www.readbyqxmd.com/read/28056526/comparison-of-low-molecular-weight-heparins-prepared-from-bovine-heparins-with-enoxaparin
#10
Xinyue Liu, Kalib St Ange, Jawed Fareed, Debra Hoppensteadt, Walter Jeske, Ahmed Kouta, Lianli Chi, Caijuan Jin, Yongsheng Jin, Yiming Yao, Robert J Linhardt
Heparin and its low-molecular-weight heparin (LMWH) derivatives are widely used clinical anticoagulants. These drugs are critical for the practice of medicine in applications including kidney dialysis, cardiopulmonary bypass, and in the management of venous thromboembolism. Currently, these drugs are derived from livestock, primarily porcine intestine. The worldwide dependence on a single animal species has made the supply chain for this critical drug quite fragile, leading to the search for other sources of these drugs, including bovine tissues such as bovine intestine or lung...
January 1, 2017: Clinical and Applied Thrombosis/hemostasis
https://www.readbyqxmd.com/read/28055251/commentary-opportunities-for-research-in-molecular-radiotherapy
#11
Glenn D Flux, Joe O'Sullivan, Mark N Gaze, Kevin M Prise
Cancer has been treated with radiopharmaceuticals for 80 years. A recent NCRI report from the Clinical and Translational Radiotherapy Research Working Group (CTRad) reviews the current status of molecular radiotherapy (MRT) and has highlighted the barriers to, and the opportunities for increased research activities. The report recommends a number of actions to promote this field, which in the dawning age of personalised medicine and theragnostics is of increasing importance, particularly with the clinical introduction of a range of new commercial radiotherapeutics at costs in line with those seen for conventional chemotherapeutics...
January 5, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28050011/consensus-molecular-subtypes-and-the-evolution-of-precision-medicine-in-colorectal-cancer
#12
Rodrigo Dienstmann, Louis Vermeulen, Justin Guinney, Scott Kopetz, Sabine Tejpar, Josep Tabernero
Critical driver genomic events in colorectal cancer have been shown to affect the response to targeted agents that were initially developed under the 'one gene, one drug' paradigm of precision medicine. Our current knowledge of the complexity of the cancer genome, clonal evolution patterns under treatment pressure and pharmacodynamic effects of target inhibition support the transition from a one gene, one drug approach to a 'multi-gene, multi-drug' model when making therapeutic decisions. Better characterization of the transcriptomic subtypes of colorectal cancer, encompassing tumour, stromal and immune components, has revealed convergent pathway dependencies that mandate a 'multi-molecular' perspective for the development of therapies to treat this disease...
January 4, 2017: Nature Reviews. Cancer
https://www.readbyqxmd.com/read/28048367/th-a-207b-00-shear-wave-imaging-and-a-qiba-us-biomarker-update
#13
Paul Carson
: Imaging of tissue elastic properties is a relatively new and powerful approach to one of the oldest and most important diagnostic tools. Imaging of shear wave speed with ultrasound is has been added to most high-end ultrasound systems. Understanding this exciting imaging mode aiding its most effective use in medicine can be a rewarding effort for medical physicists and other medical imaging and treatment professionals. Assuring consistent, quantitative measurements across the many ultrasound systems in a typical imaging department will constitute a major step toward realizing the great potential of this technique and other quantitative imaging...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047721/th-a-207b-01-basics-and-current-implementations-of-ultrasound-imaging-of-shear-wave-speed-and-elasticity
#14
S Chen
: Imaging of tissue elastic properties is a relatively new and powerful approach to one of the oldest and most important diagnostic tools. Imaging of shear wave speed with ultrasound is has been added to most high-end ultrasound systems. Understanding this exciting imaging mode aiding its most effective use in medicine can be a rewarding effort for medical physicists and other medical imaging and treatment professionals. Assuring consistent, quantitative measurements across the many ultrasound systems in a typical imaging department will constitute a major step toward realizing the great potential of this technique and other quantitative imaging...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047072/th-a-207b-02-qiba-ultrasound-elasticity-imaging-system-biomarker-qualification-and-user-testing-of-systems
#15
B Garra
: Imaging of tissue elastic properties is a relatively new and powerful approach to one of the oldest and most important diagnostic tools. Imaging of shear wave speed with ultrasound is has been added to most high-end ultrasound systems. Understanding this exciting imaging mode aiding its most effective use in medicine can be a rewarding effort for medical physicists and other medical imaging and treatment professionals. Assuring consistent, quantitative measurements across the many ultrasound systems in a typical imaging department will constitute a major step toward realizing the great potential of this technique and other quantitative imaging...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28043897/natural-products-against-alzheimer-s-disease-pharmaco-therapeutics-and-biotechnological-interventions
#16
REVIEW
Abhijit Dey, Raktim Bhattacharya, Anuradha Mukherjee, Devendra Kumar Pandey
Alzheimer's disease (AD) is a severe, chronic and progressive neurodegenerative disease associated with memory and cognition impairment ultimately leading to death. It is the commonest reason of dementia in elderly populations mostly affecting beyond the age of 65. The pathogenesis is indicated by accumulation of the amyloid-beta (Aβ) plaques and neurofibrillary tangles (NFT) in brain tissues and hyperphosphorylation of tau protein in neurons. The main cause is considered to be the formation of reactive oxygen species (ROS) due to oxidative stress...
December 30, 2016: Biotechnology Advances
https://www.readbyqxmd.com/read/28039061/primary-angle-closure-glaucoma-what-we-know-and-what-we-don-t-know
#17
REVIEW
Xinghuai Sun, Yi Dai, Yuhong Chen, Dao-Yi Yu, Stephen J Cringle, Junyi Chen, Xiangmei Kong, Xiaolei Wang, Chunhui Jiang
Primary angle-closure glaucoma (PACG) is a common cause of blindness. Angle closure is a fundamental pathologic process in PAGC. With the development of imaging devices for the anterior segment of the eye, a better understanding of the pathogenesis of angle closure has been reached. Aside from pupillary block and plateau iris, multiple-mechanisms are more common contributors for closure of the angle such as choroidal thickness and uveal expansion, which may be responsible for the presenting features of PACG...
December 28, 2016: Progress in Retinal and Eye Research
https://www.readbyqxmd.com/read/28035318/circulating-biomarkers-in-bladder-cancer
#18
REVIEW
Lakshminarayanan Nandagopal, Guru Sonpavde
Bladder cancer is a molecularly heterogeneous disease characterized by multiple unmet needs in the realm of diagnosis, clinical staging, monitoring and therapy. There is an urgent need to develop precision medicine for advanced urothelial carcinoma. Given the difficulty of serial analyses of metastatic tumor tissue to identify resistance and new therapeutic targets, development of non-invasive monitoring using circulating molecular biomarkers is critically important. Although the development of circulating biomarkers for the management of bladder cancer is in its infancy and may currently suffer from lower sensitivity of detection, they have inherent advantages owing to non-invasiveness...
October 27, 2016: Bladder Cancer
https://www.readbyqxmd.com/read/28031556/advances-in-the-molecular-genetics-of-gliomas-implications-for-classification-and-therapy
#19
REVIEW
Guido Reifenberger, Hans-Georg Wirsching, Christiane B Knobbe-Thomsen, Michael Weller
Genome-wide molecular-profiling studies have revealed the characteristic genetic alterations and epigenetic profiles associated with different types of gliomas. These molecular characteristics can be used to refine glioma classification, to improve prediction of patient outcomes, and to guide individualized treatment. Thus, the WHO Classification of Tumours of the Central Nervous System was revised in 2016 to incorporate molecular biomarkers - together with classic histological features - in an integrated diagnosis, in order to define distinct glioma entities as precisely as possible...
December 29, 2016: Nature Reviews. Clinical Oncology
https://www.readbyqxmd.com/read/28029168/trends-in-regenerative-medicine-repigmentation-in-vitiligo-through-melanocyte-stem-cell-mobilization
#20
REVIEW
Stanca A Birlea, Gertrude-E Costin, Dennis R Roop, David A Norris
Vitiligo is the most frequent human pigmentary disorder, characterized by progressive autoimmune destruction of mature epidermal melanocytes. Of the current treatments offering partial and temporary relief, ultraviolet (UV) light is the most effective, coordinating an intricate network of keratinocyte and melanocyte factors that control numerous cellular and molecular signaling pathways. This UV-activated process is a classic example of regenerative medicine, inducing functional melanocyte stem cell populations in the hair follicle to divide, migrate, and differentiate into mature melanocytes that regenerate the epidermis through a complex process involving melanocytes and other cell lineages in the skin...
December 28, 2016: Medicinal Research Reviews
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