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https://www.readbyqxmd.com/read/28434163/biomarkers-of-epileptogenesis-the-focus-on-glia-and-cognitive-dysfunctions
#1
Annamaria Vezzani, Rosaria Pascente, Teresa Ravizza
The need to find measures that reliably predict the onset of epilepsy after injurious events or how the patient will respond to anti-seizure drugs led to intensive pre-clinical and clinical research to discover non-invasive biomarkers that could increase the sensitivity of existing clinical indicators. The use of experimental models of epileptogenesis and of drug-resistance is instrumental to select the most promising approaches to explore such biomarkers in the pre-clinical setting for further clinical validation...
April 22, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28434047/late-renal-toxicity-of-treatment-for-childhood-malignancy-risk-factors-long-term-outcomes-and-surveillance
#2
Roderick Skinner
Chronic glomerular and tubular nephrotoxicity is reported in 20-50% and 20-25%, respectively, of children and adolescents treated with ifosfamide and 60-80% and 10-30%, respectively, of those given cisplatin. Up to 20% of children display evidence of chronic glomerular damage after unilateral nephrectomy for a renal tumour. Overall, childhood cancer survivors have a ninefold higher risk of developing renal failure compared with their siblings. Such chronic nephrotoxicity may have multiple causes, including chemotherapy, radiotherapy exposure to kidneys, renal surgery, supportive care drugs and tumour-related factors...
April 22, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28433895/evaluating-network-level-predictors-of-behavior-change-among-injection-networks-enrolled-in-the-hptn-037-randomized-controlled-trial
#3
Laramie R Smith, Steffanie A Strathdee, David Metzger, Carl Latkin
BACKGROUND: Little is known about ways network-level factors that may influence the adoption of combination prevention behaviors among injection networks, or how network-oriented interventions might moderate this behavior change process. METHODS: A total of 232 unique injection risk networks in Philadelphia, PA, were randomized to a peer educator network-oriented intervention or standard of care control arm. Network-level aggregates reflecting the injection networks' baseline substance use dynamics, social interactions, and the networks exposure to gender- and structural-related vulnerabilities were calculated and used to predict changes in the proportion of network members adopting safer injection practices at 6-month follow-up...
April 5, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28433839/the-diagnostic-accuracy-of-evoked-potential-monitoring-techniques-during-intracranial-aneurysm-surgery-for-predicting-postoperative-ischaemic-damage-a-systematic-review-and-meta-analysis
#4
REVIEW
Benjamin Thomas, Dongsheng Guo
OBJECTIVE: To investigate the diagnostic accuracy of various evoked potential monitoring techniques in predicting postoperative neurological deficit in intracranial aneurysm surgery. METHODS: A literature search of the MEDLINE, Embase and Cochrane databases was conducted for English language papers published between 31 March 1983 and 31 March 2016. Original studies that reported the use of evoked potential monitoring during intracranial aneurysm surgery in predicting postoperative neurological damage were selected, and their relevant reference lists were hand searched...
April 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28433787/facile-encapsulation-of-hydroxycamptothecin-nanocrystals-into-zein-based-nanocomplexes-for-active-targeting-drug-delivery-and-cell-imaging
#5
Hongdi Wang, Wei Zhu, Yunna Huang, Zhixian Li, Yanbin Jiang, Qiuling Xie
Nano-drug delivery systems that integrate inorganic and organic or even bioactive components into a single nanoscale platform are playing a greatly important role in cancer treatment. Here, the fabrication of a versatile nanocarrier based on self-assembled structures of gold nanoparticles (AuNPs)-zein is reported, which displays high drug-loading efficiency for needle-shaped hydroxycamptothecin (HCPT) nanocrystals. The surface modification with folate-conjugated polydopamine (PFA) renders them stable and also facilitates their selective cellular internalization and enhancement of endocytosis...
April 19, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28433732/the-clinical-significance-of-an-estimated-fetal-weight-below-the-10th-centile-a-comparison-of-outcomes-between-5th-versus-5th-9th-centile
#6
Malgorzata Mlynarczyk, Suneet P Chauhan, Hind A Baydoun, Catherine M Wilkes, Kimberly R Earhart, Yili Zhao, Christopher Goodier, Eugene Chang, Nicole M Lee Plenty, E Kaitlyn Mize, Michelle Owens, Shilpa Babbar, Dev Maulik, Emily DeFranco, David McKinney, Alfred Z Abuhamad
BACKGROUND: The association between small for gestational age (SGA; birth weight < 10(th) centile for gestational age) and neonatal morbidity is well established. Yet there is a paucity of data on the relationship between suspected SGA (sonographic estimated fetal weight <10(th) centile), at two thresholds and subsequent neonatal morbidity. OBJECTIVE: The objective of this study was to determine the relationship between sonographic estimated fetal weight (SEFW) < 5(th) centile versus 5-9(th) centile and neonatal morbidity...
April 19, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28433619/lack-of-pathogenic-mutations-in-sos1-gene-in-phenytoin-induced-gingival-overgrowth-patients
#7
Katia Margiotti, Giulia Pascolini, Federica Consoli, Valentina Guida, Carlo Di Bonaventura, Anna Teresa Giallonardo, Antonio Pizzuti, Alessandro De Luca
OBJECTIVE: Gingival overgrowth is a side effect associated with some distinct classes of drugs, such as anticonvulsants, immunosuppressants, and calcium channel blockers. One of the main drugs associated with gingival overgrowth is the antiepileptic phenytoin, which affects gingival tissues by altering extracellular matrix metabolism. It has been shown that mutation of human SOS1 gene is responsible for a rare hereditary gingival fibromatosis type 1, a benign gingival overgrowth. The aim of the present study is to evaluate the possible contribution of SOS1 mutation to gingival overgrowth-related phenotype...
April 5, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28432357/in-silico-drug-discovery-approach-targeting-receptor-tyrosine-kinase-like-orphan-receptor-1-for-cancer-treatment
#8
Onkar Nath, Archana Singh, Indrakant K Singh
Receptor tyrosine kinases (RTK) are important cell signaling molecules that influence many cellular processes. Receptor tyrosine kinase such as orphan receptor 1 (Ror1), a surface antigen, is a member of the RTK family of Ror, which plays a crucial role in cancers that have high-grade histology. As Ror1 has been implicated to be a potential target for cancer therapy, we selected this protein for further investigation. The secondary and tertiary structure of this protein was determined, which revealed that this protein contained three β-sheets, seven α-helices, and coils...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28431975/liposomal-curcumin-alters-chemosensitivity-of-breast-cancer-cells-to-adriamycin-via-regulating-microrna-expression
#9
Siying Zhou, Jian Li, Hanzi Xu, Sijie Zhang, Xiu Chen, Wei Chen, Sujin Yang, Shanliang Zhong, Jianhua Zhao, Jinhai Tang
BACKGROUND: Emerging evidence suggests that curcumin can overcome drug resistance to classical chemotherapies, but poor bioavailability and low absorption have limited its clinical use and the mechanisms remain unclear. Also, Adriamycin (Adr) is one of the most active cytotoxic agents in breast cancer; however, the high resistant rate of Adr leads to a poor prognosis. METHODS: We utilized encapsulation in liposomes as a strategy to improve the bioavailability of curcumin and demonstrated that liposomal curcumin altered chemosensitivity of Adr-resistant MCF-7 human breast cancer (MCF-7/Adr) by MTT assay...
April 18, 2017: Gene
https://www.readbyqxmd.com/read/28431800/genetic-predictors-of-antipsychotic-response-to-lurasidone-identified-in-a-genome-wide-association-study-and-by-schizophrenia-risk-genes
#10
Jiang Li, Akane Yoshikawa, Mark D Brennan, Timothy L Ramsey, Herbert Y Meltzer
Biomarkers which predict response to atypical antipsychotic drugs (AAPDs) increases their benefit/risk ratio. We sought to identify common variants in genes which predict response to lurasidone, an AAPD, by associating genome-wide association study (GWAS) data and changes (Δ) in Positive And Negative Syndrome Scale (PANSS) scores from two 6-week randomized, placebo-controlled trials of lurasidone in schizophrenia (SCZ) patients. We also included SCZ risk SNPs identified by the Psychiatric Genomics Consortium using a polygenic risk analysis...
April 18, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28431752/corrigendum-to-individualized-relapse-prediction-personality-measures-and-striatal-and-insular-activity-during-reward-processing-robustly-predict-relapse-drug-and-alcohol-dependence-152-2015-93-101
#11
Joshua L Gowin, Tali M Ball, Marc Wittmann, Susan F Tapert, Martin P Paulus
No abstract text is available yet for this article.
April 18, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28431749/pharmacological-advances-in-the-multimodal-management-of-perioperative-analgesia
#12
M Matute Crespo, A Montero Matamala
The concept of multimodal analgesia is currently widespread in our clinical practice. The aim of multimodal analgesia is to reduce the side effects derived from the drugs or techniques used for the control of pain together with greater effectiveness (combination of multiple mechanisms of action) with the maximum efficiency, that is, to combine different pharmacodynamics (synergistic or additive effects) and pharmacokinetics, in the context of a predictable acute pain model, thus allowing a prior strategy such as the model of acute postoperative pain...
April 18, 2017: Revista Española de Anestesiología y Reanimación
https://www.readbyqxmd.com/read/28431457/precision-medicine-and-pharmacogenetics-what-does-oncology-have-that-addiction-medicine-does-not
#13
Henry R Kranzler, Rachel V Smith, Robert Schnoll, Afaf Moustafa, Emma Greenstreet-Akman
BACKGROUND AND AIMS: Precision, personalized or stratified medicine, which promises to deliver the right treatment to the right patient, is a topic of international interest in both the lay press and the scientific literature. A key aspect of precision medicine is the identification of biomarkers that predict the response to medications (i.e. pharmacogenetics). We examined why, despite the great strides that have been made in biomarker identification in many areas of medicine, only in oncology has there been substantial progress in their clinical implementation...
April 21, 2017: Addiction
https://www.readbyqxmd.com/read/28431428/computational-and-in-vitro-experimental-investigation-of-intrathecal-drug-distribution-parametric-study-of-the-effect-of-injection-volume-cerebrospinal-fluid-pulsatility-and-drug-uptake
#14
Kevin M Tangen, Roxanne Leval, Ankit I Mehta, Andreas A Linninger
BACKGROUND: Intrathecal drug delivery is an attractive option to circumvent the blood-brain barrier for pain management through its increased efficacy of pain relief, reduction in adverse side effects, and cost-effectiveness. Unfortunately, there are limited guidelines for physicians to choose infusion or drug pump settings to administer therapeutic doses to specific regions of the spine or the brain. Although empiric trialing of intrathecal drugs is critical to determine the sustained side effects, currently there is no inexpensive in vitro method to guide the selection of spinal drug delivery parameters...
May 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28431392/characterization-of-aurora-a-and-its-impact-on-the-effect-of-cisplatin-based-chemotherapy-in-patients-with-non-small-cell-lung-cancer
#15
Peng Kuang, Zuhua Chen, JiaYuan Wang, Zhentao Liu, Jingyuan Wang, Jing Gao, Lin Shen
BACKGROUND AND OBJECTIVE: Aurora A, as a member of serine/threonine kinase family and a common characteristic of epithelial cancers, plays a critical role in cell mitosis. However, the clinical significance of Aurora A in non-small cell lung cancer (NSCLC) remains undetermined. METHODS: The expression of Aurora A in NSCLC and paired normal adjacent lung tissues was determined by immunohistochemistry, Western blot, and reverse transcriptase polymerase chain reaction...
April 18, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28431312/melatonin-charge-transfer-complex-with-2-3-dichloro-5-6-dicyano-1-4-benzoquinone-molecular-structure-dft-studies-thermal-analyses-evaluation-of-biological-activity-and-utility-for-determination-of-melatonin-in-pure-and-dosage-forms
#16
Gehad G Mohamed, Maher M Hamed, Nadia G Zaki, Mohamed M Abdou, Marwa El-Badry Mohamed, Abanoub Mosaad Abdallah
A simple, accurate and fast spectrophotometric method for the quantitative determination of melatonin (ML) drug in its pure and pharmaceutical forms was developed based on the formation of its charge transfer complex with 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ) as an electron acceptor. The different conditions for this method were optimized accurately. The Lambert-Beer's law was found to be valid over the concentration range of 4-100μgmL(-1) ML. The solid form of the CT complex was structurally characterized by means of different spectral methods...
April 4, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28431290/predicting-success-of-vagus-nerve-stimulation-vns-from-eeg-symmetry
#17
REVIEW
Janneke Hilderink, Marleen C Tjepkema-Cloostermans, Anita Geertsema, Janita Glastra-Zwiers, Cecile C de Vos
PURPOSE: Vagus nerve stimulation (VNS) has shown to be an effective treatment for drug resistant epilepsy, with achieving more than 50% seizure reduction in one third of the treated patients. In order to predict which patients will profit from VNS, we previously found that a low pairwise derived Brain Symmetry Index (pdBSI) could potentially predict good responders to VNS treatment. These findings however have to be validated before they can be generalized. METHODS: 39 patients (age 18-68 years) with medically intractable epilepsy who were referred for an implanted VNS system were included...
April 4, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28431169/spa-ln-a-scoring-function-of-ligand-nucleic-acid-interactions-via-optimizing-both-specificity-and-affinity
#18
Zhiqiang Yan, Jin Wang
Nucleic acids have been widely recognized as potential targets in drug discovery and aptamer selection. Quantifying the interactions between small molecules and nucleic acids is critical to discover lead compounds and design novel aptamers. Scoring function is normally employed to quantify the interactions in structure-based virtual screening. However, the predictive power of nucleic acid-ligand scoring functions is still a challenge compared to other types of biomolecular recognition. With the rapid growth of experimentally determined nucleic acid-ligand complex structures, in this work, we develop a knowledge-based scoring function of nucleic acid-ligand interactions, namely SPA-LN...
April 20, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28430977/deep-mining-heterogeneous-networks-of-biomedical-linked-data-to-predict-novel-drug-target-associations
#19
Nansu Zong, Hyeoneui Kim, Victoria Ngo, Olivier Harismendy
Motivation: A heterogeneous network topology possessing abundant interactions between biomedical entities has yet to be utilized in similarity-based methods for predicting drug-target associations based on the array of varying features of drugs and their targets. Deep learning reveals features of vertices of a large network that can be adapted in accommodating the similarity-based solutions to provide a flexible method of drug-target prediction. Results: We propose a similarity-based drug-target prediction method that enhances existing association discovery methods by using a topology-based similarity measure...
April 18, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28430854/dynamic-modeling-and-network-approaches-for-omics-time-course-data-overview-of-computational-approaches-and-applications
#20
Yulan Liang, Arpad Kelemen
Inferring networks and dynamics of genes, proteins, cells and other biological entities from high-throughput biological omics data is a central and challenging issue in computational and systems biology. This is essential for understanding the complexity of human health, disease susceptibility and pathogenesis for Predictive, Preventive, Personalized and Participatory (P4) system and precision medicine. The delineation of the possible interactions of all genes/proteins in a genome/proteome is a task for which conventional experimental techniques are ill suited...
April 18, 2017: Briefings in Bioinformatics
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