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https://www.readbyqxmd.com/read/29679784/a-swinging-seesaw-as-a-novel-model-mechanism-for-time-dependent-hormesis-under-dose-dependent-stimulatory-and-inhibitory-effects-a-case-study-on-the-toxicity-of-antibacterial-chemicals-to-aliivibrio-fischeri
#1
Haoyu Sun, Edward J Calabrese, Min Zheng, Dali Wang, Yongzheng Pan, Zhifen Lin, Ying Liu
Hormesis occurs frequently in broadly ranging biological areas (e.g. plant biology, microbiology, biogerontology), toxicology, pharmacology and medicine. While numerous mechanisms (e.g. receptor and pathway mediated pathway responses) account for stimulatory and inhibitory features of hormetic dose responses, the vast majority emphasizes the inclusion of many doses but only one timepoint or use of a single optimized dose that is assessed over a broad range of timepoints. In this paper, a toxicity study was designed using a large number of properly spaced doses with responses determined over a large number of timepoints, which could help us reveal the underlying mechanism of hormesis...
April 10, 2018: Chemosphere
https://www.readbyqxmd.com/read/29673565/scanning-the-horizon-for-high-value-add-manufacturing-science-accelerating-manufacturing-readiness-for-the-next-generation-of-disruptive-high-value-curative-cell-therapeutics
#2
Paul Hourd, David J Williams
BACKGROUND: Since the regenerative medicine sector entered the second phase of its development (RegenMed 2.0) more than a decade ago, there is increasing recognition that current technology innovation trajectories will drive the next translational phase toward the production of disruptive, high-value curative cell and gene-based regenerative medicines. AIM: To identify the manufacturing science problems that must be addressed to permit translation of these next generation therapeutics...
April 16, 2018: Cytotherapy
https://www.readbyqxmd.com/read/29671023/etiology-and-treatment-of-congenital-festoons
#3
Mokhtar Asaadi
BACKGROUND: Festoons and malar bags present a particular challenge to the plastic surgeon and commonly persist after the traditional lower blepharoplasty. They are more common than we think and a trained eye will be able to recognize them. Lower blepharoplasty in these patients requires addressing the lid-cheek junction and midcheek using additional techniques such as orbicularis retaining ligament (ORL) and zygomaticocutaneous ligament (ZCL) release, midface lift, microsuction, or even direct excision (Kpodzo e al...
April 18, 2018: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/29668804/morphology-of-the-diaphragm-muscle-in-southern-tamandua-tamandua-tetradactyla-and-its-importance-in-cases-of-traumatic-hernia
#4
Érica F S Azevedo, Daniela R Costa E Silva, Tamires V S Natividade, Elane G Giese, Ana Rita DE Lima, Paola C Soares, Érika Branco
The wall of the diaphragm can be affected by changes caused by physical trauma, allowing the passage of viscera between the abdominal cavity and thoracic cavity, thus reducing the space for pulmonary expansion, leading to the formation of hernia and possible death. Thus, we aimed to characterize, size and determine the topography of the diaphragmatic muscle in the Southern Tamandua, since clinical and surgical activities in wild animals have become a reality more and more present in veterinary medicine. We used six adult animals, x-rayed and dissected, followed by collection of fragments of muscular portions for histological analysis...
April 16, 2018: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/29668342/sequencing-the-next-generation-of-glioblastomas
#5
Ivana Jovčevska
The most aggressive brain malignancy, glioblastoma, accounts for 60-70% of all gliomas and is uniformly fatal. According to the molecular signature, glioblastoma is divided into four subtypes (proneural, neural, classical, and mesenchymal), each with its own genetic background. The Cancer Genome Atlas project provides information about the most common genetic changes in glioblastoma. They involve mutations in TP53, TERT, and PTEN, and amplifications in EFGR, PDGFRA, CDK4, CDK6, MDM2, and MDM4. Recently, epigenetics was used to demonstrate the oncogenic roles of miR-124, miR-137, and miR-128...
April 18, 2018: Critical Reviews in Clinical Laboratory Sciences
https://www.readbyqxmd.com/read/29663697/testing-a-new-form-to-document-goals-of-care-discussions-regarding-plans-for-end-of-life-care-for-patients-in-an-australian-emergency-department
#6
Amber C Mills, Michele Levinson, William A Dunlop, Edward Cheong, Timothy Cowan, Jennifer Hanning, Erin O'Callaghan, Katherine J Walker
OBJECTIVE: There is limited literature to inform the content and format of Goals-of-Care forms, for use by doctors when they are undertaking these important conversations. METHODS: This was a prospective, qualitative and quantitative study evaluating the utility of a new 'Goals-of-Care' form to doctors in a private, tertiary ED, used from December 2016 to February 2017 at Cabrini, Melbourne. A Goals-of-Care form was designed, incorporating medical aims of therapy and patient values and preferences...
April 16, 2018: Emergency Medicine Australasia: EMA
https://www.readbyqxmd.com/read/29658666/-application-of-modified-lateral-window-for-maxillary-sinus-floor-augmentation
#7
Wei Lu, Mengna Lin, Shifang Zhao, Huiming Wang, Fuming He
<b>Objective:</b> To evaluate the clinical efficacy of modified lateral window for maxillary sinus floor augmentation (MSFA). <b>Methods:</b> Fifty-five patients who visited the Stomatology Hospital Affiliated to Zhejiang University School of Medicine between June 2012 and October 2014 were enrolled in the study. Patients underwent MSFA with Bio-Oss grafts based on modified access window. During the operation the vertical height of the bony window was reduced from 6-8 mm of conventional oval window to 4-5 mm of slot-shaped window...
May 25, 2017: Zhejiang da Xue Xue Bao. Yi Xue Ban, Journal of Zhejiang University. Medical Sciences
https://www.readbyqxmd.com/read/29656536/mmr-deficiency-does-not-sensitize-or-compromise-the-function-of-hematopoietic-stem-cells-to-low-and-high-let-radiation
#8
Rutulkumar Patel, Yulan Qing, Lucy Kennedy, Yan Yan, John Pink, Brittany Aguila, Amar Desai, Stanton L Gerson, Scott M Welford
One of the major health concerns on long-duration space missions will be radiation exposure to the astronauts. Outside the earth's magnetosphere, astronauts will be exposed to galactic cosmic rays (GCR) and solar particle events that are principally composed of protons and He, Ca, O, Ne, Si, Ca, and Fe nuclei. Protons are by far the most common species, but the higher atomic number particles are thought to be more damaging to biological systems. Evaluation and amelioration of risks from GCR exposure will be important for deep space travel...
April 14, 2018: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29650263/-should-surgeons-keep-performing-drainage-after-breast-reduction
#9
N Vidali, A Chevet-Noel, P Ringenbach, J B Andreoletti
OBJECTIVE: Despite the absence of "evidence-based medicine", the use of closed suction drainage in breast surgery is currently the standard practice. Its goal is to minimize the amount of fluid at the operation site, the dead space that can involve postoperative complications. The purpose of this study is to demonstrate that with or without drainage the complication rate is unchanged. METHODS: We conducted a retrospective and comparative study of two groups of breast reduction with and without drainage...
April 9, 2018: Annales de Chirurgie Plastique et Esthétique
https://www.readbyqxmd.com/read/29629289/structural-characteristics-bioavailability-and-cardioprotective-potential-of-saponins
#10
REVIEW
Deepika Singh, Prabir Kumar Chaudhuri
Cardiovascular diseases are the leading cause of death, accounting about 31% deaths globally in 2012. The major risk factors causing cardiovascular diseases are coronary atherosclerosis, hyperlipidemia, myocardial infarction, and stroke. The dominating cause of cardiovascular diseases is accredited to our modern lifestyle and diet. Medicinal plants have been used for the prevention and treatment of cardiovascular diseases from centuries. The in built chirality and chemical space of natural products have been playing an important role in providing leads and templates for pharmacophore synthesis...
March 2018: Integrative Medicine Research
https://www.readbyqxmd.com/read/29628883/achieving-accurate-automatic-sleep-staging-on-manually-pre-processed-eeg-data-through-synchronization-feature-extraction-and-graph-metrics
#11
Panteleimon Chriskos, Christos A Frantzidis, Polyxeni T Gkivogkli, Panagiotis D Bamidis, Chrysoula Kourtidou-Papadeli
Sleep staging, the process of assigning labels to epochs of sleep, depending on the stage of sleep they belong, is an arduous, time consuming and error prone process as the initial recordings are quite often polluted by noise from different sources. To properly analyze such data and extract clinical knowledge, noise components must be removed or alleviated. In this paper a pre-processing and subsequent sleep staging pipeline for the sleep analysis of electroencephalographic signals is described. Two novel methods of functional connectivity estimation (Synchronization Likelihood/SL and Relative Wavelet Entropy/RWE) are comparatively investigated for automatic sleep staging through manually pre-processed electroencephalographic recordings...
2018: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29625584/temporomandibular-joint-regeneration-proposal-of-a-novel-treatment-for-condylar-resorption-after-orthognathic-surgery-using-transplantation-of-autologous-nasal-septum-chondrocytes-and-the-first-human-case-report
#12
Ricardo de Souza Tesch, Esther Rieko Takamori, Karla Menezes, Rosana Bizon Vieira Carias, Cláudio Leonardo Milione Dutra, Marcelo de Freitas Aguiar, Tânia Salgado de Sousa Torraca, Alexandra Cristina Senegaglia, Cármen Lúcia Kuniyoshi Rebelatto, Debora Regina Daga, Paulo Roberto Slud Brofman, Radovan Borojevic
BACKGROUND: Upon orthognathic mandibular advancement surgery the adjacent soft tissues can displace the distal bone segment and increase the load on the temporomandibular joint causing loss of its integrity. Remodeling of the condyle and temporal fossa with destruction of condylar cartilage and subchondral bone leads to postsurgical condylar resorption, with arthralgia and functional limitations. Patients with severe lesions are refractory to conservative treatments, leading to more invasive therapies that range from simple arthrocentesis to open surgery and prosthesis...
April 7, 2018: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29619928/studies-of-upper-limb-pain-in-occupational-medicine-in-general-practice-and-among-computer-operators
#13
Jørgen Riis Jepsen
Diagnostic consensus criteria cannot be applied in a major proportion of patients with upper limb complaints, many of which are regarded as "non-specific". The three empirical studies in this thesis aimed to address this diagnostic challenge by incorporating representative neurological qualities in the physical examination.
Patterns of muscle weakness, sensory abnormalities and nerve trunk allodynia based on the nerves' topography and their motor and cutaneous innervation were defined to reflect peripheral nerve afflictions and their locations...
April 2018: Danish Medical Journal
https://www.readbyqxmd.com/read/29618452/short-communication-synthesis-of-drug-metal-complexes-and-their-influence-on-human-platelet-aggregation
#14
Mansoor Ahmed, Mohsin Ali, Seyed Abdulmajid Ayatollahi, Marjan Esfahanizadeh, Farzad Kobarfard, Ameer Hasan, Khalid Mohammed Khan, Syed Moazzam Haider
During the past few decades the emergence of inorganic medicinal chemistry has been developed novel therapeutic agents. Researcher's perseverance in this branch of chemistry has led them to explore further valuable chemical spaces by synthesizing metal complexes already known pharmacological agents for their potential use. However, it is in its early stage, this methodology has demonstrated metal complexes with better bioactivities than the parent ligand molecules. In this study, transition metal complexes of pyrazinamide (PZ), isoniazid (INH), fluconazole (FCZ), metformin (dimethylbiguanide, DMBG) and losartan potassium (LS-K) were selected to evaluate for their possible anti-platelets aggregation in the light of reports on divalent and trivalent cations like calcium, copper, manganese, magnesium, and cadmium may influence the process of thrombocytic activity and aggregation...
March 2018: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29617939/fastore-a-space-saving-solution-for-raw-sequencing-data
#15
Lukasz Roguski, Idoia Ochoa, Mikel Hernaez, Sebastian Deorowicz
Motivation: The affordability of DNA sequencing has led to the generation of unprecedented volumes of raw sequencing data. These data must be stored, processed, and transmitted, which poses significant challenges. To facilitate this effort, we introduce FaStore, a specialized compressor for FASTQ files. FaStore does not use any reference sequences for compression, and permits the user to choose from several lossy modes to improve the overall compression ratio, depending on the specific needs...
March 29, 2018: Bioinformatics
https://www.readbyqxmd.com/read/29617486/-structure-of-primary-healthcare-units-for-treating-persons-with-diabetes-cycles-i-and-ii-of-the-brazilian-national-program-to-improve-access-and-quality
#16
Rosália Garcia Neves, Suele Manjourany Silva Duro, Javier Muñiz, Teresa Rosalia Pérez Castro, Luiz Augusto Facchini, Elaine Tomasi
The objective was to describe the necessary structure for treating diabetes patients in the primary healthcare system, as evaluated in Cycles I and II of the Brazilian National Program for the Improvement of Access and Quality (PMAQ) in 2012 and 2014, according to the municipalities' characteristics. A descriptive study was used to assess primary care units whose teams participated in Cycles I and II of the PMAQ in 2012 and 2014. The study used variables from Module I of the external evaluation of the PMAQ that addresses the primary care units' structure...
March 29, 2018: Cadernos de Saúde Pública
https://www.readbyqxmd.com/read/29615909/systems-pharmacology-based-strategy-for-q-markers-discovery-of-huangqin-decoction-to-attenuate-intestinal-damage
#17
Xiao-Min Dai, Dong-Ni Cui, Jing Wang, Wei Zhang, Zun-Jian Zhang, Feng-Guo Xu
The quality control research of traditional Chinese medicine (TCM) is lagged far behind the space of progress in modernization and globalization. Thus the concept of quality marker (Q-marker) was proposed recently to guide the quality investigations of TCM. However, how to discover and validate the Q-marker is still a challenge. In this paper, a system pharmacology based strategy was proposed to discover Q-marker of HuangQin decoction (HQD) to attenuate Intestinal Damage. Using this strategy, nine measurable compounds including paeoniflorin, baicalin, scutellarein, liquiritigenin, norwogonin, baicalein, glycyrrhizic acid, wogonin, and oroxylin A were screened out as potential markers...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29611774/examining-physiotherapist-use-of-structured-aerobic-exercise-testing-to-decrease-barriers-to-aerobic-exercise
#18
Evan Foster B Sc, Julia E Fraser, Elizabeth L Inness PhD, Sarah Munce, Louis Biasin, Vivien Poon, Mark Bayley
OBJECTIVE: To determine the frequency of physiotherapist-administered aerobic exercise testing/training, the proportion of physiotherapists who administer this testing/training, and the barriers that currently exist across different practice environments. A secondary objective is to identify the learning needs of physiotherapists for the development of an education curriculum in aerobic exercise testing and training with electrocardiograph (ECG) administration and interpretation. DESIGN: National, cross-sectional survey...
April 3, 2018: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/29609526/stromal-and-hematopoietic-progenitors-from-c57-bi-6n-murine-bone-marrow-after-30-day-bion-m1-space-flight
#19
Elena Markina, Elena Andreeva, Irina Andrianova, Elena Sotnezova, Ludmila Buravkova
Elucidation of the space flight effects on the adult stem and progenitor cells is an important goal in space biology and medicine. A unique opportunity for this was provided by project "BION-M1". The purpose of this study was to evaluate the effects of 30-day space flight (SF) on biosatellite, 7-day recovery (SFR) and subsequent ground control (GC) experiment on the mononuclears (MNCs) from C57/BI/6N murine tibia bone marrow. Also, hematopoietic and stromal precursor functions were characterised ex vivo...
April 2, 2018: Stem Cells and Development
https://www.readbyqxmd.com/read/29608700/trophoblast-retrieval-and-isolation-from-the-cervix-origins-of-cervical-trophoblasts-and-their-potential-value-for-risk-assessment-of-ongoing-pregnancies
#20
Gerit Moser, Sascha Drewlo, Berthold Huppertz, D Randall Armant
BACKGROUND: Early during human development, the trophoblast lineage differentiates to commence placentation. Where the placenta contacts the uterine decidua, extravillous trophoblast (EVT) cells differentiate and invade maternal tissues. EVT cells, identified by expression of HLA-G, invade into uterine blood vessels (endovascular EVT), as well as glands (endoglandular EVT), and open such luminal structures towards the intervillous space of the placenta. Endoglandular invasion diverts the contents of uterine glands to the intervillous space, while glands near the margin of the placenta that also contain endoglandular EVT cells open into the reproductive tract...
March 28, 2018: Human Reproduction Update
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