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https://www.readbyqxmd.com/read/29452273/3d-bioprinted-functional-and-contractile-cardiac-tissue-constructs
#1
Zhan Wang, Sang Jin Lee, Heng-Jie Cheng, James J Yoo, Anthony Atala
Bioengineering of a functional cardiac tissue composed of primary cardiomyocytes has great potential for myocardial regeneration and in vitro tissue modeling. However, its applications remain limited because the cardiac tissue is a highly organized structure with unique physiologic, biomechanical, and electrical properties. In this study, we undertook a proof-of-concept study to develop a contractile cardiac tissue with cellular organization, uniformity, and scalability by using three-dimensional (3D) bioprinting strategy...
February 13, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29451882/de-novo-transcriptomic-analysis-of-leaf-and-fruit-tissue-of-cornus-officinalis-using-illumina-platform
#2
Dian-Yun Hou, Lin-Chun Shi, Meng-Meng Yang, Jiong Li, Shuang Zhou, Hong-Xiao Zhang, Hua-Wei Xu
Cornus officinalis is one of the most widely used medicinal plants in China and other East Asian countries to cure diseases such as liver, kidney, cardiovascular diseases and frequent urination for thousands of years. It is a Level 3 protected species, and is one of the 42 national key protected wild species of animals and plants in China. However, the genetics and molecular biology of C. officinalis are poorly understood, which has hindered research on the molecular mechanism of its metabolism and utilization...
2018: PloS One
https://www.readbyqxmd.com/read/29451603/from-medicinal-chemistry-to-human-health-current-approaches-to-drug-discovery-for-cancer-and-neglected-tropical-diseases
#3
Leonardo G Ferreira, Glaucius Oliva, Adriano D Andricopulo
Scientific and technological breakthroughs have compelled the current players in drug discovery to increasingly incorporate knowledge-based approaches. This evolving paradigm, which has its roots attached to the recent advances in medicinal chemistry, molecular and structural biology, has unprecedentedly demanded the development of up-to-date computational approaches, such as bio- and chemo-informatics. These tools have been pivotal to catalyzing the ever-increasing amount of data generated by the molecular sciences, and to converting the data into insightful guidelines for use in the research pipeline...
February 15, 2018: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/29451516/-evidence-based-medicine-vs-personalized-medicine
#4
Lucio Capurso
Evidence-based medicine (EBM) and personalized medicine (PM) are driven by two diverse modes of reasoning about «evidence making». EBM has been criticized since his quality mark has been misappropriated by vested interests, the benefits statistically significant may be marginal in clinical practice, rigid rules and technology may produce care that is management driven rather than patient centered. On the contrary PM (or "precision medicine") refers to the tailoring of medical treatment to the specific characteristics of each patient involving the ability to classify individuals into subpopulations that are uniquely susceptible to a specific treatment, sparing expense and side effects and is derived from doubts on the results of subgroup analyses and on non responders in clinical trials typical of EBM...
January 2018: Recenti Progressi in Medicina
https://www.readbyqxmd.com/read/29451205/optical-read-out-and-modulation-of-peripheral-nerve-activity
#5
REVIEW
Arjun K Fontaine, Hans E Anderson, John H Caldwell, Richard F Weir
Numerous clinical and research applications necessitate the ability to interface with peripheral nerve fibers to read and control relevant neural pathways. Visceral organ modulation and rehabilitative prosthesis are two areas which could benefit greatly from improved neural interfacing approaches. Therapeutic neural interfacing, or 'bioelectronic medicine', has potential to affect a broad range of disorders given that all the major organs of the viscera are neurally innervated. However, a better understanding of the neural pathways that underlie function and a means to precisely interface with these fibers are required...
January 2018: Neural Regeneration Research
https://www.readbyqxmd.com/read/29449955/prospects-for-precision-medicine-in-glomerulonephritis-treatment
#6
REVIEW
Yulu Cherry Liu, Justin Chun
Background: Glomerulonephritis (GN) consists of a group of kidney diseases that are categorized based on shared histopathological features. The current classifications for GN make it difficult to distinguish the individual variability in presentation, disease progression, and response to treatment. GN is a significant cause of end-stage renal disease (ESRD), and improved therapies are desperately needed because current immunosuppressive therapies sometimes lack efficacy and can lead to significant toxicities...
2018: Canadian Journal of Kidney Health and Disease
https://www.readbyqxmd.com/read/29449411/molecular-imaging-in-drug-discovery-and-development
#7
Jonathan R Lindner, Jeanne Link
Noninvasive imaging has played an increasing role in the process of cardiovascular drug development. This review focuses specifically on the use of molecular imaging, which has been increasingly applied to improve and accelerate certain preclinical steps in drug development, including the identification of appropriate therapeutic targets, evaluation of on-target and off-target effects of candidate therapies, assessment of dose response, and the evaluation of drug or biological biodistribution and pharmacodynamics...
February 2018: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29448963/academic-medical-centers-as-innovation-ecosystems-to-address-population-omics-challenges-in-precision-medicine
#8
REVIEW
Patrick J Silva, Valerie M Schaibley, Kenneth S Ramos
While the promise of the Human Genome Project provided significant insights into the structure of the human genome, the complexities of disease at the individual level have made it difficult to utilize -omic information in clinical decision making. Some of the existing constraints have been minimized by technological advancements that have reduced the cost of sequencing to a rate far in excess of Moore's Law (a halving in cost per unit output every 18 months). The reduction in sequencing costs has made it economically feasible to create large data commons capturing the diversity of disease across populations...
February 15, 2018: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29448764/frontiers-in-crispr
#9
Alyson G Weidmann
CRISPR-based approaches to genetic engineering are progressing at a rapid pace and present exciting new avenues for science, medicine, and technology. Many of the most cutting-edge advances in genome engineering are encompassed in the Research Articles, Reviews, and Perspectives in this special issue, often with an eye toward future directions for the field. Yet, many questions remain at this new frontier. We asked over 100 CRISPR researchers, including our contributing authors, for their perspectives on some of the most pressing questions surrounding the future of genome engineering and the CRISPR-Cas platform, the challenges that lie ahead, and opportunities for chemists and chemical biologists to drive creative molecular solutions...
February 16, 2018: ACS Chemical Biology
https://www.readbyqxmd.com/read/29448760/identification-of-new-compounds-from-sage-flowers-salvia-officinalis-l-as-markers-for-quality-control-and-the-influence-of-the-manufacturing-technology-on-the-chemical-composition-and-antibacterial-activity-of-sage-flower-extracts
#10
Sebastian Gericke, Tilo Lübken, Diana Wolf, Martin Kaiser, Christian Hannig, Karl Speer
Parts of Salvia species such as its flowers and leaves are currently used as a culinary herb and for some medicinal applications. To distinguish the different sage extracts it is necessary to analyze their individual chemical compositions. Their characteristic compounds might be established as markers to differentiate between sage flowers and leaf extracts or to determine the manufacturing technology and storage conditions. Tri-p-coumaroylspermidine can be detected only in flowers and has been described here for Salvia and Lavandula species for the first time...
February 16, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29447720/no-257-ultrasonographic-cervical-length-assessment-in-predicting-preterm-birth-in-singleton-pregnancies
#11
Kenneth Lim, Kimberly Butt, Joan M Crane
OBJECTIVES: To review (1) the use of ultrasonographic-derived cervical length measurement in predicting preterm birth and (2) interventions associated with a short cervical length. OUTCOMES: Reduction in rates of prematurity and/or better identification of those at risk, as well as possible prevention of unnecessary interventions. EVIDENCE: Published literature was retrieved through searches of PubMed and The Cochrane Library up to December 2009, using appropriate controlled vocabulary and key words (preterm labour, ultrasound, cervix, incompetent cervix, transvaginal, transperineal, cervical length, fibronectin)...
February 2018: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/29447055/advanced-microengineered-lung-models-for-translational-drug-discovery
#12
Brian F Niemeyer, Peng Zhao, Rubin M Tuder, Kambez H Benam
Lung diseases impose a significant socioeconomic burden and are a leading cause of morbidity and mortality worldwide. Moreover, respiratory medicine, unlike several other therapeutic areas, faces a disappointingly low number of new approved therapies. This is partly due to lack of reliable in vitro or in vivo models that can reproduce organ-level complexity and pathophysiological responses of human lung. Here, we examine new opportunities in application of recently emerged organ-on-chip technology to model human lung alveolus and small airway in preclinical drug development and biomarker discovery...
February 1, 2018: SLAS Discovery
https://www.readbyqxmd.com/read/29445976/an-equivalence-study-of-interview-platform-does-videoconference-technology-impact-medical-school-acceptance-rates-of-different-groups
#13
Marlene P Ballejos, Scott Oglesbee, Jennifer Hettema, Robert Sapien
Web-based interviewing may be an effective element of a medical school's larger approach to promotion of holistic review, as recommended by the Association of American Medical Colleges, by facilitating the feasibility of including rural and community physicians in the interview process. Only 10% of medical schools offer videoconference interviews to applicants and little is known about the impact of this interview modality on the admissions process. This study investigated the impact of overall acceptance rates using videoconference interviews and face-to-face interviews in the medical school selection process using an equivalence trial design...
February 14, 2018: Advances in Health Sciences Education: Theory and Practice
https://www.readbyqxmd.com/read/29445894/sparse-qsar-modelling-methods-for-therapeutic-and-regenerative-medicine
#14
David A Winkler
The quantitative structure-activity relationships method was popularized by Hansch and Fujita over 50 years ago. The usefulness of the method for drug design and development has been shown in the intervening years. As it was developed initially to elucidate which molecular properties modulated the relative potency of putative agrochemicals, and at a time when computing resources were scarce, there is much scope for applying modern mathematical methods to improve the QSAR method and to extending the general concept to the discovery and optimization of bioactive molecules and materials more broadly...
February 14, 2018: Journal of Computer-aided Molecular Design
https://www.readbyqxmd.com/read/29443926/the-pleiotropic-effects-of-the-canonical-wnt-pathway-in-early-development-and-pluripotency
#15
REVIEW
Anchel de Jaime-Soguero, Willy Antoni Abreu de Oliveira, Frederic Lluis
The technology to derive embryonic and induced pluripotent stem cells from early embryonic stages and adult somatic cells, respectively, emerged as a powerful resource to enable the establishment of new in vitro models, which recapitulate early developmental processes and disease. Additionally, pluripotent stem cells (PSCs) represent an invaluable source of relevant differentiated cell types with immense potential for regenerative medicine and cell replacement therapies. Pluripotent stem cells support self-renewal, potency and proliferation for extensive periods of culture in vitro...
February 14, 2018: Genes
https://www.readbyqxmd.com/read/29443717/anticipating-and-training-the-physician-of-the-future-the-importance-of-caring-in-an-age-of-artificial-intelligence
#16
S Claiborne Johnston
Artificial intelligence and other forms of information technology are only just beginning to change the practice of medicine. The pace of change is expected to accelerate as tools improve and as demands for analyzing a rapidly growing body of knowledge and array of data increase. The medical students of today will practice in a world where information technology is sophisticated and omnipresent. In this world, the tasks of memorization and analysis will be less important to them as practicing physicians. On the other hand, the non-analytical, humanistic aspects of medicine-most importantly, the art of caring-will remain a critical function of the physician, and facility with improving systems of care will be required...
February 13, 2018: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/29439875/consensus-document-on-the-implementation-of-next-generation-sequencing-in-the-genetic-diagnosis-of-hereditary-cancer
#17
José Luis Soto, Ignacio Blanco, Orland Díez, Javier García Planells, Isabel Lorda, Gert Matthijs, Mercedes Robledo, Erika Souche, Conxi Lázaro
Genetic diagnosis of hereditary cancer syndromes offers the opportunity to establish more effective predictive and preventive measures for the patient and their families. The ultimate objective is to decrease cancer morbidity and mortality in high genetic risk families. Next Generation Sequencing (NGS) offers an important improvement in the efficiency of genetic diagnosis, allowing an increase in diagnostic yield with a substantial reduction in response times and economic costs. Consequently, the implementation of this new technology is a great opportunity for improvement in the clinical management of affected families...
February 10, 2018: Medicina Clínica
https://www.readbyqxmd.com/read/29439295/transcriptional-profiling-of-synovial-macrophages-using-minimally-invasive-ultrasound-guided-synovial-biopsies-in-rheumatoid-arthritis
#18
Arthur M Mandelin, Philip J Homan, Alexander M Shaffer, Carla M Cuda, Salina T Dominguez, Emily Bacalao, Mary Carns, Monique Hinchcliff, Jungwha Lee, Kathleen Aren, Anjali Thakrar, Anna B Montgomery, S Louis Bridges, Joan M Bathon, John P Atkinson, David A Fox, Eric L Matteson, Christopher D Buckley, Costantino Pitzalis, Deborah Parks, Laura B Hughes, Laura Geraldino-Pardilla, Robert Ike, Kristine Phillips, Kerry Wright, Andrew Filer, Stephen Kelly, Eric M Ruderman, Vince Morgan, Hiam Abdala-Valencia, Alexander V Misharin, G Scott Budinger, Elizabeth T Bartom, Richard M Pope, Harris Perlman, Deborah R Winter
OBJECTIVE: Currently, there are no reliable biomarkers for predicting therapeutic response in patients with rheumatoid arthritis (RA). The synovium may unlock critical information for determining efficacy as reduction in numbers of sublining synovial macrophages remains the most reproducible biomarker. Thus, a clinically actionable method for collection of synovial tissue, which can be analyzed using high-throughput strategies, must become a reality. METHODS: Rheumatologists at six United States academic sites were trained in minimally invasive ultrasound-guided synovial tissue biopsy...
February 13, 2018: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29439135/mapping-human-development-at-single-cell-resolution
#19
Sam Behjati, Susan Lindsay, Sarah A Teichmann, Muzlifah Haniffa
Human development is regulated by spatiotemporally restricted molecular programmes and is pertinent to many areas of basic biology and human medicine, such as stem cell biology, reproductive medicine and childhood cancer. Mapping human development has presented significant technological, logistical and ethical challenges. The availability of established human developmental biorepositories and the advent of cutting-edge single-cell technologies provide new opportunities to study human development. Here, we present a working framework for the establishment of a human developmental cell atlas exploiting single-cell genomics and spatial analysis...
February 8, 2018: Development
https://www.readbyqxmd.com/read/29438963/health-professionals-and-coroners-views-on-less-invasive-perinatal-and-paediatric-autopsy-a-qualitative-study
#20
Celine Lewis, Melissa Hill, Owen J Arthurs, John C Hutchinson, Lyn S Chitty, Neil Sebire
OBJECTIVE: To assess health professionals' and coroners' attitudes towards non-minimally and minimally invasive autopsy in the perinatal and paediatric setting. METHODS: A qualitative study using semistructured interviews. Data were analysed thematically. RESULTS: Twenty-five health professionals (including perinatal/paediatric pathologists and anatomical pathology technologists, obstetricians, fetal medicine consultants and bereavement midwives, intensive care consultants and family liaison nurses, a consultant neonatologist and a paediatric radiologist) and four coroners participated...
February 8, 2018: Archives of Disease in Childhood
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