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https://www.readbyqxmd.com/read/28087486/enhanced-articular-cartilage-by-human-mesenchymal-stem-cells-in-enzymatically-mediated-transiently-rgds-functionalized-collagen-mimetic-hydrogels
#1
Paresh A Parmar, Jean-Philippe St-Pierre, Lesley W Chow, Christopher D Spicer, Violet Stoichevska, Yong Y Peng, Jerome A Werkmeister, John A M Ramshaw, Molly M Stevens
: Recapitulation of the articular cartilage microenvironment for regenerative medicine applications faces significant challenges due to the complex and dynamic biochemical and biomechanical nature of native tissue. Towards the goal of biomaterial designs that enable the temporal presentation of bioactive sequences, recombinant bacterial collagens such as Streptococcal collagen-like 2 (Scl2) proteins can be employed to incorporate multiple specific bioactive and biodegradable peptide motifs into a single construct...
January 10, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28079899/genome-sequencing-and-carrier-testing-decisions-on-categorization-and-whether-to-disclose-results-of-carrier-testing
#2
Patricia Himes, Tia L Kauffman, Kristin R Muessig, Laura M Amendola, Jonathan S Berg, Michael O Dorschner, Marian Gilmore, Deborah A Nickerson, Jacob A Reiss, C Sue Richards, Alan F Rope, Dana K Simpson, Benjamin S Wilfond, Gail P Jarvik, Katrina A B Goddard
PURPOSE: We investigated the use of genome sequencing for preconception carrier testing. Genome sequencing could identify one or more of thousands of X-linked or autosomal recessive conditions that could be disclosed during preconception or prenatal counseling. Therefore, a framework that helps both clinicians and patients understand the possible range of findings is needed to respect patient preferences by ensuring that information about only the desired types of genetic conditions are provided to a given patient...
January 12, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28078311/common-variant-rs356182-near-snca-defines-a-parkinson-s-disease-endophenotype
#3
Christine A Cooper, Nimansha Jain, Michael D Gallagher, Daniel Weintraub, Sharon X Xie, Yosef Berlyand, Alberto J Espay, Joseph Quinn, Karen L Edwards, Thomas Montine, Vivianna M Van Deerlin, John Trojanowski, Cyrus P Zabetian, Alice S Chen-Plotkin
OBJECTIVE: Parkinson's disease (PD) presents clinically with several motor subtypes that exhibit variable treatment response and prognosis. Here, we investigated genetic variants for their potential association with PD motor phenotype and progression. METHODS: We screened 10 SNPs, previously associated with PD risk, for association with tremor-dominant (TD) versus postural-instability gait disorder (PIGD) motor subtypes. SNPs that correlated with the TD/PIGD ratio in a discovery cohort of 251 PD patients were then evaluated in a multi-site replication cohort of 559 PD patients...
January 2017: Annals of Clinical and Translational Neurology
https://www.readbyqxmd.com/read/28077331/physiological-behavioral-changes-induced-by-a-fraction-with-antitumor-cleronade-diterpenes-from-an-atlantic-forest-brazilian-plant-and-computational-intermolecular-interactions-with-neuron-receptors
#4
Éverton José Ferreira de Araújo, Antônia Amanda Cardoso de Almeida, Oskar Almeida Silva, Iwyson Henrique Fernandes da Costa, Luis Mário Rezende Júnior, Francisco das Chagas Alves Lima, Luciano da Silva Lopes, Alberto José Cavalheiro, Paulo Michel Pinheiro Ferreira
ETHNOPHARMACOLOGICAL RELEVANCE: Casearia sylvestris is a medicinal plant traditionally used to treat snakebites, wounds, inflammation and gastric ulcers and scientific supports for have demonstrated its antitumor, antihyperlipidemic and antiparasitic properties. AIM OF THE STUDY: To assess the effects of a fraction with casearins (FC) on adult mice using classical experimental models of animal behavior and theoretical calculations to verify the interaction of Casearin X (Cas X) with neuron receptors...
January 7, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28067791/ligands-of-therapeutic-utility-for-the-liver-x-receptors
#5
REVIEW
Rajesh Komati, Dominick Spadoni, Shilong Zheng, Jayalakshmi Sridhar, Kevin E Riley, Guangdi Wang
Liver X receptors (LXRs) have been increasingly recognized as a potential therapeutic target to treat pathological conditions ranging from vascular and metabolic diseases, neurological degeneration, to cancers that are driven by lipid metabolism. Amidst intensifying efforts to discover ligands that act through LXRs to achieve the sought-after pharmacological outcomes, several lead compounds are already being tested in clinical trials for a variety of disease interventions. While more potent and selective LXR ligands continue to emerge from screening of small molecule libraries, rational design, and empirical medicinal chemistry approaches, challenges remain in minimizing undesirable effects of LXR activation on lipid metabolism...
January 5, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28066887/the-effect-of-beam-purity-and-scanner-complexity-on-proton-ct-accuracy
#6
P Piersimoni, J Ramos-Méndez, T Geoghegan, V A Bashkirov, R W Schulte, B A Faddegon
PURPOSE: To determine the dependence of the accuracy in reconstruction of relative stopping power (RSP) with proton computerized tomography (pCT) scans on the purity of the proton beam and the technological complexity of the pCT scanner using standard phantoms and a digital representation of a pediatric patient. METHODS: The Monte Carlo method was applied to simulate the pCT scanner, using both a pure proton beam (uniform 200 MeV mono-energetic, parallel beam) and the Northwestern Medicine Chicago Proton Center (NMCPC) clinical beam in uniform scanning mode...
November 22, 2016: Medical Physics
https://www.readbyqxmd.com/read/28063920/reverse-ethnopharmacology-and-drug-discovery
#7
Marco Leonti, Gary I Stafford, Maja Dal Cero, Stefano Cabras, Maria Eugenia Castellanos, Laura Casu, Caroline S Weckerle
ETHNOPHARMACOLOGICAL RELEVANCE: Ethnopharmacological investigations of traditional medicines have made significant contributions to plant-derived drugs, as well as the advancement of pharmacology. Drug discovery from medicinal flora is more complex than generally acknowledged because plants are applied for different therapeutic indications within and across cultures. Therefore we propose the concept of "reverse ethnopharmacology" and compare biomedical uses of plant taxa with their ethnomedicinal and popular uses and test the effect of these on the probability of finding anticancer drugs...
January 4, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28062342/barriers-to-medical-compassion-as-a-function-of-experience-and-specialization-psychiatry-pediatrics-internal-medicine-surgery-and-general-practice
#8
Antonio T Fernando, Nathan S Consedine
CONTEXT: Compassion is an expectation of patients, regulatory bodies, and physicians themselves. Most research has, however, studied compassion fatigue rather than compassion itself and has concentrated on the role of the physician. The Transactional Model of Physician Compassion suggests that physician, patient, external environment, and clinical factors are all relevant. Because these factors vary both across different specialties and among physicians with differing degrees of experience, barriers to compassion are also likely to vary...
January 3, 2017: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/28057153/-the-achievement-of-integrated-medicine-the-model-of-creative-discipline-on-the-essential-character-and-discipline-classification-of-modern-aesthetic-medicine
#9
Q X Peng, Q L Zhang, J H Gao
No abstract text is available yet for this article.
December 27, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28057122/-thoughts-of-medicine-versus-philosophy
#10
Z X He, J H Lang
No abstract text is available yet for this article.
December 25, 2016: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/28056289/-correlation-analysis-of-the-pre-pregnant-body-mass-index-the-gestational-weight-gain-and-umbilical-cord-blood-c-peptide
#11
X L Chen, Y Han, X M Zhao, Y Liu, J J Lü
Objective: To explore the correlation among the pre-pregnant body mass index (BMI), gestational weight gain (GWG) and umbilical cord blood C peptide, and to investigate the influence of maternal weight management on the incidence of baby long-term metabolic syndrome. Methods: During May to Aug.2015, 485 pregnant women in Zhejiang Taizhou first people's hospital and Taizhou Huangyan maternal &child care service centre were selected in random and divided into four groups according to pre-pregnant BMI: low body mass, normal body mass, over body mass and obese group, and also divided into two groups for getting gestational diabetes mellitus (GDM) or not...
January 3, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28056287/-the-fees-of-patients-with-knee-osteoarthritis
#12
K Wang, X Dong, J H Lin
Objective: To assess the cost of illness, the current medication treatment status and health service utilization of patients with knee osteoarthritis (OA). Methods: From January 2014 to May 2015, 250 patients in Arthritis Clinic and Research Center, Peking University People's Hospital were recruited and followed up for 12 months. There were four visits during the follow-up, i. e. baseline, 1, 6 and 12 month. Data on sociodemographic variables, direct cost of illness, medication utilization and health service utilization were obtained by the questionnaire for the analyses...
January 3, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28056244/-trend-of-development-and-prospect-of-gastrointestinal-surgery-in-era-of-minimally-invasive
#13
X Y Qin
The development and popularization of minimally invasive treatment is gradually evolving in the course of human fighting against disease. Minimally invasive surgery has been widely accepted and carried out because of the advantages of smaller trauma, less pain, little impact on the body and physiological metabolism of the body. The evidence-based medicine makes it important to conduct clinical trials to confirm the technical and oncological safety. With the development of minimally invasive technologies, including three-dimensional laparoscopic, natural orifice transluminal endoscopic surgery, robotic surgery system, minimally invasive surgery are providing more opportunities and challenges for gastrointestinal diseases...
January 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28055210/bioactive-constituents-from-the-termite-nest-derived-medicinal-fungus-xylaria-nigripes
#14
Jung-Chun Chang, George Hsiao, Ruo-Kai Lin, Yueh-Hsiung Kuo, Yu-Min Ju, Tzong-Huei Lee
Six new eremophilane-type sesquiterpenes, namely, nigriterpenes A-F (1-6), and one new phenolic compound, named 2-hydroxymethyl-3-pentylphenol (7), along with fomannoxin alcohol, 3-butyl-7-hydroxyphthalide, scytalone, and fomannoxin were isolated from the ethyl acetate extracts of the fermented broths of termite nest-derived Xylaria nigripes, which has long been used as a traditional Chinese medicine for treating insomnia and depression. Their structures were elucidated on the basis of spectroscopic data analysis and compared with the literature...
January 5, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28054429/methoxinine-an-alternative-stable-amino-acid-substitute-for-oxidation-sensitive-methionine-in-radiolabelled-peptide-conjugates
#15
Nathalie M Grob, Martin Behe, Elisabeth von Guggenberg, Roger Schibli, Thomas L Mindt
Radiolabelled peptides with high specificity and affinity towards receptors that are overexpressed by tumour cells are used in nuclear medicine for the diagnosis (imaging) and therapy of cancer. In some cases, the sequences of peptides under investigations contain methionine (Met), an amino acid prone to oxidation during radiolabelling procedures. The formation of oxidative side products can affect the purity of the final radiopharmaceutical product and/or impair its specificity and affinity towards the corresponding receptor...
January 5, 2017: Journal of Peptide Science: An Official Publication of the European Peptide Society
https://www.readbyqxmd.com/read/28054241/characteristic-x-ray-imaging-for-palliative-therapy-using-strontium-89-chloride-understanding-the-mechanism-of-nuclear-medicine-imaging-of-strontium-89-chloride
#16
Yoshiki Owaki, Kazumasa Inoue, Hiroto Narita, Keisuke Tsuda, Masahiro Fukushi
Strontium-89 (Sr-89) chloride is a targeted palliative therapy used for painful bone metastasis in which repeated doses can be administered, and its usefulness has been reported in the case of bone metastasis of various primary tumors. However, the effectiveness of the pain relief treatment is only described using a subjective index such as the visual analog scale, which lacks objectivity. Although various attempts at quantifying the effectiveness of Sr-89 chloride therapy have been reported using nuclear medicine imaging for energy peaks around 70-80 keV, the principle of Sr-89 chloride imaging has not been explained...
January 4, 2017: Radiological Physics and Technology
https://www.readbyqxmd.com/read/28053654/comparison-of-chemical-profiles-and-effectiveness-between-erxian-decoction-and-mixtures-of-decoctions-of-its-individual-herbs-a-novel-approach-for-identification-of-the-standard-chemicals
#17
H P Cheung, S W Wang, T B Ng, Y B Zhang, L X Lao, Z J Zhang, Y Tong, F W S Chung, S C W Sze
BACKGROUND: Identification of bioactive standard chemicals is a major challenge in the study of the Chinese medicinal formula. In particular, the chemical components may interact differently depending on the preparative methods, therefore affecting the amounts of bioactive components and their pharmacological properties in the medicinal formula. With the use of Erxian decoction (EXD) as a study model-a  well-known Chinese medicinal formula for treating menopausal symptoms, a novel and rapid approach in seeking standard chemicals has been established by differentially comparing the HPLC profiles and the menopause-related biochemical parameters of combined decoction of EXD (EXD-C) and mixtures of the decoctions of its individual herbs (EXD-S)...
2017: Chinese Medicine
https://www.readbyqxmd.com/read/28050542/epidemiological-profile-of-patients-diagnosed-with-athletic-pubalgia
#18
Anderson Luiz de Oliveira, Carlos Vicente Andreoli, Benno Ejnisman, Roberto Dantas Queiroz, Osvaldo Guilherme Nunes Pires, Guilherme Guadagnini Falótico
OBJECTIVE: To evaluate the clinical and epidemiological characteristics of pubalgia in patients from a Sports Medicine Center. METHODS: Data analysis from medical records of patients with athletic pubalgia attended to from January 2007 to January 2015. The diagnosis was made by an experienced hip surgeon, complemented with pelvic X-ray, abdominal wall ultrasound, and magnetic resonance imaging of the pelvis. RESULTS: Among 43 patients, 42 were men, with mean age of 33 years...
November 2016: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28048882/su-f-p-25-dosimetric-changes-of-brainstem-caused-by-weight-loss-during-intensity-modulated-radiation-therapy-for-nasopharyngeal-carcinoma
#19
W Hu, C Yu, Y Cai, X Zhou, W Wang, H Yang
PURPOSE: To explore dosimetric effects of brainstem (BS) caused by weight loss during the course of intensity-modulated radiation therapy (IMRT) for nasopharyngeal carcinoma (NPC). METHODS: Seventy-seven patients who were diagnosed with NPC by pathology biopsy have been enrolled. Every patients should receive weight measurement weekly and three times of computed tomography (CT) scans and replanning, at the 15th and 25th fraction during the treatment, respectively...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048581/su-c-204-06-monte-carlo-dose-calculation-for-kilovoltage-x-ray-psoralen-activated-cancer-therapy-x-pact-preliminary-results
#20
S Mein, R Gunasingha, M Nolan, M Oldham, J Adamson
PURPOSE: X-PACT is an experimental cancer therapy where kV x-rays are used to photo-activate anti-cancer therapeutics through phosphor intermediaries (phosphors that absorb x-rays and re-radiate as UV light). Clinical trials in pet dogs are currently underway (NC State College of Veterinary Medicine) and an essential component is the ability to model the kV dose in these dogs. Here we report the commissioning and characterization of a Monte Carlo (MC) treatment planning simulation tool to calculate X-PACT radiation doses in canine trials...
June 2016: Medical Physics
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