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https://www.readbyqxmd.com/read/28441545/targeted-mass-spectrometry-an-emerging-powerful-approach-to-unblock-the-bottleneck-in-phosphoproteomics
#1
REVIEW
Nerea Osinalde, Kerman Aloria, Miren J Omaetxebarria, Irina Kratchmarova
Following the rapid expansion of the proteomics field, the investigation of post translational modifications (PTM) has become extremely popular changing our perspective of how proteins constantly fine tune cellular functions. Reversible protein phosphorylation plays a pivotal role in virtually all biological processes in the cell and it is one the most characterized PTM up to date. During the last decade, the development of phosphoprotein/phosphopeptide enrichment strategies and mass spectrometry (MS) technology has revolutionized the field of phosphoproteomics discovering thousands of new site-specific phosphorylations and unveiling unprecedented evidence about their modulation under distinct cellular conditions...
April 17, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28441448/development-and-validation-of-a-modified-korean-version-of-the-pharmacy-services-questionnaire-psq-k-for-the-quality-assessment-of-community-pharmacy-services
#2
Kyung Im Kim, Hae Sun Suh, Arim Kwak, Siin Kim, Nayoung Han, Euni Lee, Jung Mi Oh
Patient-reported outcome (PRO) measures and validated instruments have become integral in assessing the quality of healthcare delivery, including pharmaceutical care services. The Pharmacy Services Questionnaire (PSQ) measures patient satisfaction with pharmaceutical care. In this study, we developed a modified Korean version of the PSQ (PSQ-K) and evaluated its validity and reliability. The PSQ-K was developed using a strict translation and cultural-adaptation procedure. A validation study was performed in six community pharmacies in Korea...
2017: PloS One
https://www.readbyqxmd.com/read/28441382/hedgehog-signalling-pathway-orchestrates-angiogenesis-in-triple-negative-breast-cancers
#3
Concetta Di Mauro, Roberta Rosa, Valentina D'Amato, Paola Ciciola, Alberto Servetto, Roberta Marciano, Roberta Clara Orsini, Luigi Formisano, Sandro De Falco, Valeria Cicatiello, Maurizio Di Bonito, Monica Cantile, Francesca Collina, Angela Chambery, Bianca Maria Veneziani, Sabino De Placido, Roberto Bianco
BACKGROUND: Several evidences suggest a marked angiogenic dependency in triple-negative breast cancer (TNBC) tumorigenesis and a potential sensitivity to anti-angiogenic agents. Herein, the putative role of Hedgehog (Hh) pathway in regulating TNBC-dependent angiogenesis was investigated. METHODS: Expression and regulation of the Hh pathway transcription factor glioma-associated oncogene homolog1 protein (GLI1) were studied on the endothelial compartment and on TNBC-initiated angiogenesis...
April 25, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28441146/epigenetic-regulation-of-glucose-metabolism
#4
Sapna Sharma, Jennifer Kriebel, Harald Grallert
PURPOSE OF REVIEW: Glucose metabolism is a central process in mammalian energy homeostasis. Its deregulation is a key factor in development of metabolic disease like diabetes and cancer. In recent decades, our understanding of gene regulation at the signaling, chromatin and posttranscriptional levels has seen dramatic developments. RECENT FINDINGS: A number of epigenetic mechanisms that do not affect the genetic code can be assessed with new technologies. However, increasing complexity becomes a major challenge for translation into clinical application...
April 24, 2017: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/28440993/-training-of-institutional-research-networks-as-a-strategy-of-improvement
#5
María Eugenia Galván-Plata, Eduardo Almeida-Gutiérrez, Fabio Abdel Salamanca-Gómez
The Instituto Mexicano del Seguro Social (IMSS) through the Coordinación de Investigación en Salud (Health Research Council) has promoted a strong link between the generation of scientific knowledge and the clinical care through the program Redes Institucionales de Investigación (Institutional Research Network Program), whose main aim is to promote and generate collaborative research between clinical, basic, epidemiologic, educational, economic and health services researchers, seeking direct benefits for patients, as well as to generate a positive impact on institutional processes...
May 2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28440707/recent-developments-in-nanocarrier-aided-mucosal-vaccination
#6
Olga Kammona, Vassilis Bourganis, Theodora Karamanidou, Costas Kiparissides
To date, most of the licensed vaccines for mucosal delivery are based on live-attenuated viruses which carry the risk of regaining their pathogenicity. Therefore, the development of efficient nonviral vectors allowing the induction of potent humoral and cell-mediated immunity is regarded as an imperative scientific challenge as well as a commercial breakthrough for the pharma industries. For a successful translation to the clinic, such nanocarriers should protect the antigens from mucosal enzymes, facilitate antigen uptake by microfold cells and allow the copresentation of robust, safe for human use, mucosal adjuvants to antigen-presenting cells...
April 25, 2017: Nanomedicine
https://www.readbyqxmd.com/read/28440344/toxicogenomic-module-associations-with-pathogenesis-a-network-based-approach-to-understanding-drug-toxicity
#7
J J Sutherland, Y W Webster, J A Willy, G H Searfoss, K M Goldstein, A R Irizarry, D G Hall, J L Stevens
Despite investment in toxicogenomics, nonclinical safety studies are still used to predict clinical liabilities for new drug candidates. Network-based approaches for genomic analysis help overcome challenges with whole-genome transcriptional profiling using limited numbers of treatments for phenotypes of interest. Herein, we apply co-expression network analysis to safety assessment using rat liver gene expression data to define 415 modules, exhibiting unique transcriptional control, organized in a visual representation of the transcriptome (the 'TXG-MAP')...
April 25, 2017: Pharmacogenomics Journal
https://www.readbyqxmd.com/read/28439904/adaptation-and-validation-of-the-oral-health-literacy-instrument-for-the-chilean-population
#8
Ricardo A Cartes-Velásquez, Luis Luengo Machuca
OBJECTIVE: To report the adaptation and cultural validation of the Oral Health Literacy Instrument (OHLI) for the adult Chilean population attending public and university health services. STUDY DESIGN: The original OHLI in English was translated to Spanish and back-translated, then a preliminary version was obtained following review by four experts. A pilot study was carried out in 30 patients, who were asked to assess their understanding of the questionnaire. The following variables were included: sociodemographic factors (sex, age, average monthly income, education and marital status); oral health (history of caries, periodontal disease and oral hygiene); oral health-related quality of life; health literacy; oral health literacy; and psychometric properties (internal consistency, temporal stability, convergent validity and predictive validity)...
April 24, 2017: International Dental Journal
https://www.readbyqxmd.com/read/28439491/translating-new-data-to-the-daily-practice-in-second-line-treatment-of-renal-cell-carcinoma-the-role-of-tumor-growth-rate
#9
EDITORIAL
Enrique Grande, Olga Martínez-Sáez, Pablo Gajate-Borau, Teresa Alonso-Gordoa
The therapeutic options for patients with metastatic renal cell carcinoma (mRCC) have completely changed during the last ten years. With the sequential use of targeted therapies, median overall survival has increased in daily practice and now it is not uncommon to see patients surviving kidney cancer for more than four to five years. Once treatment fails with the first line targeted therapy, head to head comparisons have shown that cabozantinib, nivolumab and the combination of lenvatinib plus everolimus are more effective than everolimus alone and that axitinib is more active than sorafenib...
April 10, 2017: World Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28439218/pediatric-reference-intervals-for-biochemical-markers-gaps-and-challenges-recent-national-initiatives-and-future-perspectives
#10
Houman Tahmasebi, Victoria Higgins, Angela W S Fung, Dorothy Truong, Nicole M A White-Al Habeeb, Khosrow Adeli
Reference intervals provide valuable information to medical practitioners in their interpretation of quantitative laboratory test results, and are critical in the assessment of patient health and in clinical decision-making. The reference interval serves as a health-associated benchmark with which to compare an individual test result. While the concept of reference intervals and their utility appear straightforward, the process of establishing accurate and reliable reference intervals is considerably complex and involved...
March 2017: EJIFCC
https://www.readbyqxmd.com/read/28439169/the-cortical-boundary-line-as-a-guide-for-incisor-re-positioning-with-anterior-segmental-osteotomies
#11
Abraham Vinod Korath, Ratna Padmanabhan, Anantanarayanan Parameswaran
Anterior alveolar anatomical constraints involving presurgical orthodontic incisor repositioning are often unrecognized and overlooked during orthodontic-surgical treatment planning. A clear discrimination of this cortical limitation is invaluable during the planning stage as it permits the consideration of alternative approaches like the anterior maxillary osteotomy for effecting the required incisor movement. A simple reference line termed the "Cortical Boundary Line" is introduced to facilitate the clinical translation of this information and through suitable case illustrations, the construction of the reference line using the conventional lateral cephalometric radiograph and its usefulness as an adjunct in aiding decisions on orthodontic incisor decompensation is highlighted...
June 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28439079/translation-but-not-transfection-limits-clinically-relevant-exogenous-mrna-based-induction-of-alpha-4-integrin-expression-on-human-mesenchymal-stem-cells
#12
Adam Nowakowski, Anna Andrzejewska, Johannes Boltze, Franziska Nitzsche, Li-Li Cui, Jukka Jolkkonen, Piotr Walczak, Barbara Lukomska, Miroslaw Janowski
Mesenchymal stem cells (MSCs) represent promising resource of cells for regenerative medicine in neurological disorders. However, efficient and minimally invasive methods of MSCs delivery to the brain still have to be developed. Intra-arterial route is very promising, but MSCs are missing machinery for diapedesis through blood-brain barrier. Thus, here we have tested a mRNA-based method to induce transient expression of ITGA4, an adhesion molecule actively involved in cell extravasation. We observed that transfection with an ITGA4-mRNA construct bearing a conventional cap analogue (7-methylguanosine) failed to produce ITGA4 protein, but exogenous ITGA4-mRNA was detected in transfected MSCs...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28439010/cyclops-reveals-human-transcriptional-rhythms-in-health-and-disease
#13
Ron C Anafi, Lauren J Francey, John B Hogenesch, Junhyong Kim
Circadian rhythms modulate many aspects of physiology. Knowledge of the molecular basis of these rhythms has exploded in the last 20 years. However, most of these data are from model organisms, and translation to clinical practice has been limited. Here, we present an approach to identify molecular rhythms in humans from thousands of unordered expression measurements. Our algorithm, cyclic ordering by periodic structure (CYCLOPS), uses evolutionary conservation and machine learning to identify elliptical structure in high-dimensional data...
April 24, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28438781/transporter-mediated-disposition-clinical-pharmacokinetics-and-cholestatic-potential-of-glyburide-and-its-primary-active-metabolites
#14
Rui Li, Yi-An Bi, Anna Vildhede, Renato J Scialis, Sumathy Mathialagan, Xin Yang, Lisa D Marroquin, Jian Lin, Manthena V S Varma
Glyburide is widely used for the treatment of type 2 diabetes mellitus. We studied the mechanisms involved in the disposition of glyburide and its pharmacologically active hydroxy metabolites, M1 and M2b; and evaluated their clinical pharmacokinetics and the potential role in glyburide-induced cholestasis employing physiologically based pharmacokinetic (PBPK) modeling. Transport studies of parent and metabolites in human hepatocytes and transfected cell systems imply hepatic uptake mediated by organic anion transporting polypeptides...
April 24, 2017: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/28438154/network-based-analysis-reveals-novel-gene-signatures-in-peripheral-blood-of-patients-with-chronic-obstructive-pulmonary-disease
#15
Ma'en Obeidat, Yunlong Nie, Virginia Chen, Casey P Shannon, Anand Kumar Andiappan, Bernett Lee, Olaf Rotzschke, Peter J Castaldi, Craig P Hersh, Nick Fishbane, Raymond T Ng, Bruce McManus, Bruce E Miller, Stephen Rennard, Peter D Paré, Don D Sin
BACKGROUND: Chronic obstructive pulmonary disease (COPD) is currently the third leading cause of death and there is a huge unmet clinical need to identify disease biomarkers in peripheral blood. Compared to gene level differential expression approaches to identify gene signatures, network analyses provide a biologically intuitive approach which leverages the co-expression patterns in the transcriptome to identify modules of co-expressed genes. METHODS: A weighted gene co-expression network analysis (WGCNA) was applied to peripheral blood transcriptome from 238 COPD subjects to discover co-expressed gene modules...
April 24, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28438069/emerging-graft-protective-strategies-in-clinical-liver-transplantation
#16
Arash Nickkholgh, Daniel Maluf
There have been remarkable efforts to characterize the key responsible pathophysiologic mechanisms, as well as to ameliorate the organ preservation and ischemia reperfusion injury with the ultimate goal of expanding the donor pool and further improvement of the outcomes of the liver transplantation. Attempts to translate the experimental results from bench to bedside have yielded no valid protective concepts in the field of clinical liver transplantation yet. Nonetheless, there has been a considerable amount of ongoing clinical research to develop clinically relevant graft protective strategies...
April 24, 2017: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28437932/electrifying-catheters-with-light
#17
Martin Pekař, Jeannet van Rens, Martin B van der Mark
Smart minimally invasive devices face a connectivity challenge. An example is found in intracardiac echocardiography where the signal transmission and supply of power at the distal end require many thin and fragile wires in order to keep the catheter slim and flexible. We have built a fully functional bench-top prototype to demonstrate that electrical wires may be replaced by optical fibers. The prototype is immediately scalable to catheter dimensions. The absence of conductors will provide intrinsic galvanic isolation as well as radio frequency (RF) and magnetic resonance imaging (MRI) compatibility...
April 17, 2017: Optics Express
https://www.readbyqxmd.com/read/28437354/complete-spondylectomy-using-orthogonal-spinal-fixation-and-combined-anterior-and-posterior-approaches-for-thoracolumbar-spinal-reconstruction-technical-nuances-and-clinical-results
#18
Hasan A Zaidi, Al-Wala Awad, Curtis A Dickman
STUDY DESIGN: Retrospective chart review. OBJECTIVE: To determine the long-term efficacy of 2-stage total en bloc spondylectomy (TES). SUMMARY OF BACKGROUND DATA: TES is a well-described technique to achieve tumor-free margins, but it is a highly destabilizing procedure that necessitates spinal reconstruction. A 2-stage anterior/posterior approach for tumor resection and instrumentation has been shown to be biomechanically superior to the single-stage approach in achieving rigid fixation, but few clinical studies with long-term outcomes exist...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28437309/pain-management-during-newborn-screening-using-youtube-to-disseminate-effective-pain-management-strategies
#19
Denise Harrison, Jessica Reszel, Bill Dagg, Cheryl Aubertin, Mariana Bueno, Sandra Dunn, Ann Fuller, JoAnn Harrold, Catherine Larocque, Stuart Nicholls, Margaret Sampson
To assess the reach, acceptability, and effect of the BSweet2Babies video showing breast-feeding, skin-to-skin care, and sucrose during blood sampling on intention to recommend the video or advocate for use of the interventions. In July 2014, the video and an electronic survey were produced and posted. After 1 year, the online viewer survey responses and YouTube analytics were analyzed. One year after posting, the BSweet2Babies video had 10 879 views from 125 countries and 187 (1.7%) viewers completed the survey...
April 2017: Journal of Perinatal & Neonatal Nursing
https://www.readbyqxmd.com/read/28437178/a-novel-injectable-recombinant-collagen-i-peptide-based-macroporous-microcarrier-allows-superior-expansion-of-c2c12-and-human-bone-marrow-derived-mesenchymal-stromal-cells-and-supports-deposition-of-mineralized-matrix
#20
Davide Confalonieri, Margherita La Marca, Elisabeth Marianna Wilhelmina Maria van Dongen, Heike Walles, Franziska Ehlicke
The development of scaffold formulations based on extracellular matrix-inspired synthetic materials constitutes an important resource for the advance of cell-based therapies in bone tissue engineering approaches, where both cell and scaffold implantation are often needed. Culturing cells on porous microcarriers (MCs) allows cell expansion in a three-dimensional microenvironment and constitutes a possible solution for minimally invasive cell and scaffold simultaneous delivery, but the reduced pore dimension and pore interconnection diameter of several commercially available microcarriers limits de facto cell ingrowth, and ultimately their suitability for in vivo cell delivery...
March 3, 2017: Tissue Engineering. Part A
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