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https://www.readbyqxmd.com/read/28230815/conceptual-foundations-of-systems-biology-explaining-complex-cardiac-diseases
#1
REVIEW
George E Louridas, Katerina G Lourida
Systems biology is an important concept that connects molecular biology and genomics with computing science, mathematics and engineering. An endeavor is made in this paper to associate basic conceptual ideas of systems biology with clinical medicine. Complex cardiac diseases are clinical phenotypes generated by integration of genetic, molecular and environmental factors. Basic concepts of systems biology like network construction, modular thinking, biological constraints (downward biological direction) and emergence (upward biological direction) could be applied to clinical medicine...
February 21, 2017: Healthcare (Basel, Switzerland)
https://www.readbyqxmd.com/read/28229410/therapeutic-application-of-placental-mesenchymal-stem-cells-reprogrammed-neurospheres-in-spinal-cord-injury-of-scid
#2
Vikram Sabapathy, Franklin Jebaraj Herbert, Sanjay Kumar
Mesenchymal stromal cells (MSCs) and induced pluripotent stem cells (iPSCs) have stimulated much interest in the scientific community and hopes among the general public since their discovery in 1966 due to a variety of potential applications it has in the field of regenerative medicine. Copious amount of literature, as well as long-term animal and human clinical trials, indicates that MSCs can be successfully used for therapeutic purpose without any extreme adversities. MSCs have been isolated from adult and fetal tissues...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28229404/derivation-of-mesenchymal-stem-cells-from-embryonic-stem-cells-a-non-variable-and-inexhaustive-source-of-adult-stem-cells
#3
Glen Lester Sequiera, Niketa Sareen, Ejlal Abu El-Rub, Sanjiv Dhingra
Mesenchymal stem cells (MSCs) provide an opportunity to bring the field of regenerative medicine to realization. A lot of clinical trials are presently trying to establish their applicability in real-world scenarios. Some of the biggest challenges encountered in bringing MSCs from bench to bedside are the number of MSCs required, their procurement from various sources, and the batch-to-batch variability. This often leads to inconclusive results within and between different studies. Therefore, we have hereby proposed a simple protocol to source mesenchymal stem cells through differentiation of embryonic stem cells...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28229215/sequence-analysis-and-expression-of-a-blue-light-photoreceptor-gene-slwc-1-from-the-cauliflower-mushroom-sparassis-latifolia
#4
Chi Yang, Lu Ma, Zhenghe Ying, Xiaoling Jiang, Yanquan Lin
Light is a necessary environmental factor for fruit body formation and development of the cauliflower mushroom Sparassis latifolia, a well-known edible and medicinal fungus. In this study, we firstly characterized the SP-C strain, which belonged to S. latifolia. And then we cloned and sequenced a photoreceptor gene (Slwc-1) from S. latifolia. The product of Slwc-1, SlWC-1 (872 aa residues) contained a coiled-coil region, a LOV domain, and two PAS domains. Phylogenetic tree result showed that SLWC-1 was most close to GfWC-1 from Grifola frondosa in edible and medicinal fungus...
February 22, 2017: Current Microbiology
https://www.readbyqxmd.com/read/28228073/principal-physicochemical-methods-used-to-characterize-dendrimer-molecule-complexes-used-as-genetic-therapy-agents-nanovaccines-or-drug-carriers
#5
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/28226540/micro-tube-mass-production-device-for-microbial-culture
#6
K Fujimoto, M Ogawa, K Higashi, N Miki, K Fujimoto, M Ogawa, K Higashi, N Miki, K Higashi, K Fujimoto, M Ogawa, N Miki
This paper describes mass production system of micro-tubes for microbial culture in an open environment. Microbes are used in many fields, such as food, medicine, environmental and energy. We proposed a microbe culture system using hydrogel micro-tubes, which can protect the target microbes inside from competitive microbes outside of the tubes while allow oxygen and nutrition to diffuse through. The hydrogel micro-tubes can be produced by a microfluidic device, which can precisely control the flow and therefore, the tube geometry...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225920/student-insight-about-the-discipline-of-surgical-technique-on-the-formative-process-in-the-school-of-medicine-of-ufrj
#7
Victor Diniz Senna, Keren Cozer, Manoel Luiz Ferreira, José Marcus Raso Eulálio, Paulo Cesar Silva, José Eduardo Ferreira Manso, Alberto Schanaider
Purpose: To evaluate whether undergraduate students feel motivated to develop surgical skills and know their impression about the importance of having a surgical technique discipline in the curriculum of a medical school. Methods: A prospective study including three classes in a row, from the 8th period (n = 265) evaluated the knowledge acquired at the Center of Experimental Surgery, Department of Surgery, School of Medicine of Federal University of Rio de Janeiro (UFRJ)...
January 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28225839/-conceptual-and-methodological-issues-involved-in-the-research-field-of-diagnostic-reasoning
#8
Francisco N Di Persia
The psychopathological field is crossed by dilemmas that put in question its methodological, conceptual and philosophical filiations. Since the early works of Ey and Jaspers until recent work of Berrios it has been in question the position psychopathology has in the field of medicine in general, and in the field of psychiatry in particular, especially if it should follow the principles of natural science or if it has an autonomous position between them. This debate has led to two opposing positions facing two different models of psychopathology: the biomedical model and the socio-constructionist model...
May 2016: Vertex: Revista Argentina de Psiquiatriá
https://www.readbyqxmd.com/read/28225713/the-development-and-evolution-of-physical-medicine-and-rehabilitation-in-taiwan-from-1958-to-2016
#9
I-Nan Lien, Pei-Shen Wu, Tyng-Guey Wang, Ssu-Yuan Chen, Henry L Lew
The field of physical medicine and rehabilitation (PM&R) began its development in Taiwan since 1958, and has gradually evolved into a profession that provides a diversity of clinical services and educational activities. The objectives of this brief report were to (1) review its background and milestones in the past 6 decades, (2) describe the current role and function of its Academy of PM&R, (3) present the content and format of its board certification process, focusing on (a) residency training requirements, (b) self-assessment examination, board certification process, and (c) maintenance of certification through continued education...
March 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28224243/simultaneous-quantitation-of-endogenous-estrone-17%C3%AE-estradiol-and-estriol-in-human-serum-by-isotope-dilution-liquid-chromatography-tandem-mass-spectrometry-for-clinical-laboratory-applications
#10
Qiaoxuan Zhang, Liqiao Han, Jianbing Wang, Haibiao Lin, Peifeng Ke, Junhua Zhuang, Xianzhang Huang
Estrogen measurements are important in the assessment of female reproductive function and have expanding roles in other fields. A simple, accurate, highly sensitive and specific isotope-dilution liquid chromatography-tandem mass spectrometry method was developed and evaluated to simultaneously measure three endogenous estrogens in serum: estrone (E1), 17β-estradiol (E2), and estriol (E3). Chromatographic separation was achieved on a C18 column before electrospray ionization triple-quadrupole mass spectrometry in multiple reaction monitoring mode...
February 21, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28222830/impact-of-early-vasopressor-administration-on-neurological-outcomes-after-prolonged-out-of-hospital-cardiac-arrest
#11
Michael W Hubble, Clark Tyson
: Introduction Vasopressors are associated with return of spontaneous circulation (ROSC), but no long-term benefit has been demonstrated in randomized trials. However, these trials did not control for the timing of vasopressor administration which may influence outcomes. Consequently, the objective of this study was to develop a model describing the likelihood of favorable neurological outcome (cerebral performance category [CPC] 1 or 2) as a function of the public safety answering point call receipt (PSAP)-to-pressor-interval (PPI) in prolonged out-of-hospital cardiac arrest...
February 22, 2017: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/28222809/indigenous-knowledge-and-use-of-lichens-by-the-lichenophilic-communities-of-the-nepal-himalaya
#12
Shiva Devkota, Ram Prasad Chaudhary, Silke Werth, Christoph Scheidegger
BACKGROUND: The aim of the study was to document the prevailing indigenous knowledge and various uses of lichens among the lichenophilic communities in the hills and mountainous settlements of Nepal. METHODS: Ethnic uses were recorded during twelve field trips, each of roughly 15 days in three consecutive years, through direct questionnaires administered to 190 respondents. Lichen samples were identified applying microscopic observation and thin layer chromatography (TLC)...
February 21, 2017: Journal of Ethnobiology and Ethnomedicine
https://www.readbyqxmd.com/read/28222613/phytochemical-investigations-and-antiproliferative-secondary-metabolites-from-thymus-alternans-growing-in-slovakia
#13
Stefano Dall'Acqua, Gregorio Peron, Sara Ferrari, Valentina Gandin, Massimo Bramucci, Luana Quassinti, Pavol Mártonfi, Filippo Maggi
CONTEXT: Thymus alternans Klokov (Lamiaceae) is a neglected species of the genus Thymus (Sect. Serpyllum) endemic to Carpathian area, where it is used as a flavouring agent and for medicinal purposes. OBJECTIVE: The aim of the work was to identify antiproliferative constituents from the flowering aerial parts of this plant. MATERIALS AND METHODS: Thymus alternans extracts were analyzed by HPLC-MS(n) and subjected to extensive chromatographic separations...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28220373/body-dysmorphic-disorder-history-and-curiosities
#14
Katlein França, Maria Grazia Roccia, David Castillo, Mana ALHarbi, Georgi Tchernev, Anastasia Chokoeva, Torello Lotti, Massimo Fioranelli
Body dysmorphic disorder is a chronic psychiatric disorder characterized by excessive preoccupation with an absent or minimal physical deformity. It causes severe distress and impairs normal functioning. In the last centuries, this disorder has been mentioned in the medical literature by important mental health practitioners by different names, such as "dysmorphophobia" or "dermatologic hypochondriasis". However, not until the last century was it included among the obsessive-compulsive disorders, although its classification has changed over time...
February 20, 2017: Wiener Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28219999/replacing-noble-metals-with-alternative-materials-in-plasmonics-and-metamaterials-how-good-an-idea
#15
Jacob B Khurgin
Noble metals that currently dominate the fields of plasmonics and metamaterials suffer from large ohmic losses. Some of the new plasmonic materials, such as doped oxides and nitrides, have smaller material loss, and using them in place of metals carries the promise of reduced-loss plasmonic and metamaterial structures, with sharper resonances and higher field concentrations. This promise is put to a rigorous analytical test in this work, which reveals that having low material loss is not sufficient to have reduced modal loss in plasmonic structures...
March 28, 2017: Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
https://www.readbyqxmd.com/read/28219992/a-new-handheld-device-for-the-detection-of-falsified-medicines-demonstration-on-falsified-artemisinin-based-therapies-from-the-field
#16
Benjamin K Wilson, Harparkash Kaur, Elizabeth Louise Allan, Anthony Lozama, David Bell
Poor-quality medicines are a major problem for health-care systems in resource-poor settings as identifying falsified medicines requires a complex laboratory infrastructure such as a Medicines Quality Control Laboratory. We report here an evaluation of a low-cost, handheld near-infrared spectrometer (NIRS) device by analyzing a library of artemisinin-based combination therapy (ACT) medicines to determine its usefulness as a drug-screening tool. The "SCiO" research prototype device was used to collect NIR spectra of a library of ACT and artesunate monotherapy medicine samples previously collected in Bioko Island and Equatorial Guinea and Kintampo, Ghana...
February 20, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28219959/randomised-prospective-medico-economic-nationwide-french-study-of-islet-transplantation-in-patients-with-severely-unstable-type-1-diabetes-the-stabilot-study-protocol
#17
Sandrine Lablanche, Sandra David-Tchouda, Jennifer Margier, Edith Schir, Anne Wojtusciszyn, Sophie Borot, Laurence Kessler, Emmanuel Morelon, Charles Thivolet, François Pattou, Marie Christine Vantyghem, Thierry Berney, Pierre-Yves Benhamou
INTRODUCTION: Islet transplantation may be an appropriate treatment option for patients with severely unstable type 1 diabetes experiencing major glucose variability with severe hypoglycaemia despite intensive insulin therapy. Few data are available on the costs associated with islet transplantation in relation to its benefits. The STABILOT study proposes to assess the economic impact of islet transplantation in comparison with the current best medical treatment defined as sensor-augmented pump (SAP) therapy...
February 20, 2017: BMJ Open
https://www.readbyqxmd.com/read/28219734/position-228-in-paenibacillus-macerans-cyclodextrin-glycosyltransferase-is-critical-for-2-o-d-glucopyranosyl-l-ascorbic-acid-synthesis
#18
Sheng Chen, Yanjun Xiong, Lingqia Su, Lei Wang, Jing Wu
The markedly stable l-ascorbic acid (L-AA) derivative 2-O-d-glucopyranosyl-l-ascorbic acid (AA-2G) has been widely used in the fields of food, medicine, cosmetics, and husbandry. Cyclodextrin glycosyltransferase (CGTase) is considered suitable for the large-scale production of AA-2G. In this work, Paenibacillus macerans CGTase was used to produce AA-2G and the production was 13.5g/l. An amino-acid sequence alignment of α-, β-, and α⁄β-CGTase indicated that the Phe at position 228 of P. macerans CGTase was different from the amino acids at this position in other CGTases (Met, Val, or Ile)...
February 17, 2017: Journal of Biotechnology
https://www.readbyqxmd.com/read/28219723/the-protective-effects-of-resveratrol-h2s-and-thermotherapy-on-the-cell-apoptosis-induced-by-cdte-quantum-dots
#19
Tianshu Wu, Qingling Zhan, Ting Zhang, Shengjun Ang, Jiali Ying, Keyu He, Shihan Zhang, Yuying Xue, Meng Tang
Quantum dots (QDs) could be used in the field of biology and medicine as excellent nano-scale fluorescent probes due to their unique optical properties, but the adverse effects of QDs are always the obstruction for its usage in living organisms. In this study, we observed that CdTe QDs exposure decreased the cell viability while increased the apoptosis rates in the L929 cells. Apart from QD-induced oxidative stress indicated by excessive ROS generation, three signal transductions, including Akt, p38 and JNK, played important roles on the regulation of cell apoptosis by CdTe QDs exposure as well...
February 17, 2017: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/28219385/language-support-for-linguistic-minority-chronic-hepatitis-b-c-patients-an-exploratory-study-of-availability-and-clinicians-perceptions-of-language-barriers-in-six-european-countries
#20
Abby M Falla, Irene K Veldhuijzen, Amena A Ahmad, Miriam Levi, Jan Hendrik Richardus
BACKGROUND: Language support for linguistic minorities can improve patient safety, clinical outcomes and the quality of health care. Most chronic hepatitis B/C infections in Europe are detected among people born in endemic countries mostly in Africa, Asia and Central/Eastern Europe, groups that may experience language barriers when accessing health care services in their host countries. We investigated availability of interpreters and translated materials for linguistic minority hepatitis B/C patients...
February 20, 2017: BMC Health Services Research
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