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https://www.readbyqxmd.com/read/28535635/-evaluation-of-ct-guided-iodine-125-seeds-brachytherapy-for-intracranial-malignant-tumors-under-control-of-target-and-dose
#1
X K Hu, L J Peng, S F Liu, K X Zhang, Y S Liu, F J Zhang, X D Zhu, X Z Gong, Y Gao, D F Wang, Z X Tina, Zixiang Li
Objective: To assess the efficacy and safety of CT-guided iodine-125 seeds in the treatment of intracranial malignancies under control of target and dose. Methods: From November 2003 to May 2016, with the clinical data of 412 operations on 310 patients in 12 hospitals in the past 14 years, this study analyzed the method of CT guided iodine-125 particles brachytherapy in the treatment of intracranial malignant tumors and evaluated the efficacy and complications. Stratification analysis of intracranial malignant tumors was performed...
May 23, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28535592/stream-salinization-and-fungal-mediated-leaf-decomposition-a-microcosm-study
#2
Cristina Canhoto, Sara Simões, Ana Lúcia Gonçalves, Lúcia Guilhermino, Felix Bärlocher
Salinization is of major global concern due to its effect on stream biota, and ecosystem functions and services. In small streams, litter decomposition is a key ecosystem-level process driven by decomposers, mainly fungi (aquatic hyphomycetes), which link litter and invertebrates. Here we assessed the effects of an environmentally relevant range of salt additions (0, 2, 4, 8, 16gL(-1) NaCl) on (1) fungal growth and species-specific reproductive output and (2) fungal mediated-decomposition of Quercus robur leaves...
May 19, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28535410/effect-of-enzyme-inhibition-on-perampanel-pharmacokinetics-why-study-design-matters
#3
Barry E Gidal, Rama Maganti, Antonio Laurenza, Haichen Yang, David A Verbel, Edgar Schuck, Jim Ferry
OBJECTIVES: Perampanel, a selective, noncompetitive AMPA receptor antagonist, is indicated as adjunctive therapy for the treatment of partial seizures with or without secondarily generalized seizures and primary generalized tonic-clonic seizures in patients with epilepsy aged 12years and older. In vitro studies and Phase I trials indicate that perampanel is metabolized almost exclusively by CYP3A, with an elimination half-life (t1/2) averaging approximately 105h. Understanding of pharmacokinetic (PK) interactions-enzyme inhibition or induction-and anticipating their occurrence are important for management of patients with epilepsy...
April 26, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28535298/ledipasvir-sofosbuvir-plus-ribavirin-in-treatment-naive-patients-with-hepatitis-c-virus-genotype-3-infection-an-open-label-study
#4
Jordan J Feld, Alnoor Ramji, Stephen D Shafran, Bernard Willems, Paul Marotta, Emmanuelle Huchet, Marie-Louise Vachon, Evguenia S Svarovskaia, K C Huang, Robert H Hyland, Chohee Yun, Benedetta Massetto, Diana M Brainard, John G McHutchison, Edward Tam, Robert Bailey, Curtis Cooper, Eric M Yoshida, Susan Greenbloom, Magdy Elkhashab, Sergio Borgia, Mark G Swain
Background.: Patients chronically infected with genotype 3 hepatitis C virus (HCV) have faster disease progression and are less responsive to current direct-acting antiviral regimens than patients infected with other genotypes. We conducted an open-label trial to evaluate the safety, tolerability, and efficacy of ledipasvir and sofosbuvir plus ribavirin in patients with genotype 3 HCV infection. Methods.: We enrolled treatment-naive patients with and without compensated cirrhosis at 15 sites in Canada...
May 23, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28535155/elevated-apobec3b-expression-drives-a-kataegic-like-mutation-signature-and-replication-stress-related-therapeutic-vulnerabilities-in-p53-defective-cells
#5
Jenni Nikkilä, Rahul Kumar, James Campbell, Inger Brandsma, Helen N Pemberton, Fredrik Wallberg, Kinga Nagy, Ildikó Scheer, Beata G Vertessy, Artur A Serebrenik, Valentina Monni, Reuben S Harris, Stephen J Pettitt, Alan Ashworth, Christopher J Lord
BACKGROUND: Elevated APOBEC3B expression in tumours correlates with a kataegic pattern of localised hypermutation. We assessed the cellular phenotypes associated with high-level APOBEC3B expression and the influence of p53 status on these phenotypes using an isogenic system. METHODS: We used RNA interference of p53 in cells with inducible APOBEC3B and assessed DNA damage response (DDR) biomarkers. The mutational effects of APOBEC3B were assessed using whole-genome sequencing...
May 23, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28534956/effects-of-octreotide-on-hepatic-glycogenesis-in-rats-with-high-fat-diet%C3%A2-induced-obesity
#6
Xiao-Xia Wang, Ting Ye, Mao Li, Xian Li, Ou Qiang, Cheng-Wei Tang, Rui Liu
Reduced hepatic glycogenesis is one of the most important causes of metabolic abnormalities in non‑alcoholic fatty liver disease. Octreotide, a somatostatin analogue, has been demonstrated to promote weight loss and improve metabolic disorders in mice with high fat diet (HFD)‑induced obesity. However, whether octreotide affects hepatic glycogenesis is unknown. The aim of the present study was to verify the effects of octreotide on hepatic glycogenesis in rats with HFD‑induced obesity. Male Sprague‑Dawley rats were fed a standard diet or a HFD for 24 weeks...
May 16, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28534819/ginsenoside-rb2-alleviates-hepatic-lipid-accumulation-by-restoring-autophagy-via-induction-of-sirt1-and-activation-of-ampk
#7
Qi Huang, Ting Wang, Liu Yang, He-Yao Wang
Although Panax ginseng is a famous traditional Chinese medicine and has been widely used to treat a variety of metabolic diseases including hyperglycemia, hyperlipidemia, and hepatosteatosis, the effective mediators and molecular mechanisms remain largely unknown. In this study we found that ginsenoside Rb2, one of the major ginsenosides in Panax ginseng, was able to prevent hepatic lipid accumulation through autophagy induction both in vivo and in vitro. Treatment of male db/db mice with Rb2 significantly improved glucose tolerance, decreased hepatic lipid accumulation, and restored hepatic autophagy...
May 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28534571/toward-high-resolution-nmr-spectroscopy-of-microscopic-liquid-samples
#8
Mark C Butler, Hardeep S Mehta, Ying Chen, Patrick N Reardon, Ryan S Renslow, Michael Khbeis, Duane Irish, Karl T Mueller
A longstanding limitation of high-resolution NMR spectroscopy is the requirement for samples to have macroscopic dimensions. Commercial probes, for example, are designed for volumes of at least 5 μL, in spite of decades of work directed toward the goal of miniaturization. Progress in miniaturizing inductive detectors has been limited by a perceived need to meet two technical requirements: (1) minimal separation between the sample and the detector, which is essential for sensitivity, and (2) near-perfect magnetic-field homogeneity at the sample, which is typically needed for spectral resolution...
May 23, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28534307/acanthus-ilicifolius-l-a-promising-candidate-for-phytostabilization-of-zinc
#9
A M Shackira, Jos T Puthur, E Nabeesa Salim
The potential of a halophyte species-Acanthus ilicifolius L.-to phytostabilize zinc (Zn) grown under hydroponics culture conditions was critically evaluated in this study. The propagules after treating with ZnSO4 (4 mM) were analysed for the bioaccumulation pattern, translocation rate of Zn to the shoot, effects of Zn accumulation on organic solutes and the antioxidant defence system. It was found that most of the Zn absorbed by the plant was retained in the root (47%) and only a small portion was transported to stem (12%) and leaves (11%)...
June 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28534250/advancing-immunotherapy-in-metastatic-breast-cancer
#10
REVIEW
Mariam Mansour, Zhi Ling Teo, Stephen J Luen, Sherene Loi
Despite many advances in the treatment of breast cancer, the development of metastatic disease remains an incurable and frequent cause of cancer death for women worldwide. An improved understanding of the role of host immunosurveillance in modulating breast cancer disease biology, as well as impressive survival benefits seen to checkpoint blockade in other malignancies have provided great hope for an expanding role of immunotherapies in breast cancer management. While these novel therapies are currently being investigated in clinical trials, signals of efficacy, and tolerability in early phase studies suggest these will eventually make their way into standard practice algorithms...
June 2017: Current Treatment Options in Oncology
https://www.readbyqxmd.com/read/28534103/rituximab-for-steroid-dependent-or-frequently-relapsing-idiopathic-nephrotic-syndrome-in-adults-a-retrospective-multicenter-study-in-spain
#11
Iara DaSilva, Ana Huerta, Luis Quintana, Beatriz Redondo, Elena Iglesias, Juliana Draibe, Manuel Praga, José Ballarín, Montserrat Díaz-Encarnación
BACKGROUND: Patients with difficult-to-treat idiopathic nephrotic syndrome (INS), steroid-dependent nephrotic syndrome (SDNS), or frequently relapsing nephrotic syndrome (FRNS) require long-term immunosuppressive therapy. Rituximab offers an alternative treatment for patients with disease that has not responded to multiple therapies. OBJECTIVE: Our objective was to determine the efficacy and safety of rituximab in adult patients with difficult-to-treat (SDNS or FRNS) INS...
May 22, 2017: BioDrugs: Clinical Immunotherapeutics, Biopharmaceuticals and Gene Therapy
https://www.readbyqxmd.com/read/28534036/highly-successful-hepatitis-c-virus-hcv-treatment-outcomes-in-human-immunodeficiency-virus-hcv-coinfected-patients-at-a-large-urban-ryan-white-clinic
#12
Manish Patel, Saira Rab, Aley G Kalapila, Alison Kyle, Ike Solomon Okosun, Lesley Miller
BACKGROUND: The introduction of direct-acting antivirals (DAAs) created a major paradigm shift in the treatment of chronic hepatitis C. Currently, there is little "real-world" data regarding hepatitis C virus (HCV) treatment outcomes in the human immunodeficiency virus (HIV)/HCV-coinfected population. METHODS: This retrospective cohort study examined HCV treatment outcomes of HIV/HCV-coinfected patients at a large, urban, Ryan White-funded clinic caring for an underserved population...
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28533798/optimal-bladder-filling-during-high-dose-rate-intracavitary-brachytherapy-for-cervical-cancer-a-dosimetric-study
#13
Umesh Mahantshetty, Saurabha Shetty, Dipanjan Majumder, Pranjal Adurkar, Jamema Swamidas, Reena Engineer, Supriya Chopra, Shyamkishore Shrivastava
PURPOSE: The aim of this study is to compare 3D dose volume histogram (DVH) parameters of bladder and other organs at risk with different bladder filling protocol during high-dose-rate intracavitary brachytherapy (HDR-ICBT) in cervical cancer, and to find optimized bladder volume. MATERIAL AND METHODS: This dosimetric study was completed with 21 patients who underwent HDR-ICBT with computed tomography/magnetic resonance compatible applicator as a routine treatment...
April 2017: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/28533787/genome-wide-analysis-of-gene-expression-provides-new-insights-into-cold-responses-in-thellungiella-salsuginea
#14
Jiangshan Wang, Quan Zhang, Feng Cui, Lei Hou, Shuzhen Zhao, Han Xia, Jingjing Qiu, Tingting Li, Ye Zhang, Xingjun Wang, Chuanzhi Zhao
Low temperature is one of the major environmental stresses that affects plant growth and development, and leads to decrease in crop yield and quality. Thellungiella salsuginea (salt cress) exhibits high tolerance to chilling, is an appropriate model to investigate the molecular mechanisms of cold tolerance. Here, we compared transcription changes in the roots and leaves of T. salsuginea under cold stress using RNA-seq. We identified 2,782 and 1,430 differentially expressed genes (DEGs) in leaves and roots upon cold treatment, respectively...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28533756/guinea-pig-oxygen-sensing-and-carotid-body-functional-properties
#15
Elvira Gonzalez-Obeso, Inmaculada Docio, Elena Olea, Angel Cogolludo, Ana Obeso, Asuncion Rocher, Angela Gomez-Niño
Mammals have developed different mechanisms to maintain oxygen supply to cells in response to hypoxia. One of those mechanisms, the carotid body (CB) chemoreceptors, is able to detect physiological hypoxia and generate homeostatic reflex responses, mainly ventilatory and cardiovascular. It has been reported that guinea pigs, originally from the Andes, have a reduced ventilatory response to hypoxia compared to other mammals, implying that CB are not completely functional, which has been related to genetically/epigenetically determined poor hypoxia-driven CB reflex...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28533739/improving-the-test-retest-reliability-of-resting-state-fmri-by-removing-the-impact-of-sleep
#16
Jiahui Wang, Junwei Han, Vinh T Nguyen, Lei Guo, Christine C Guo
Resting state functional magnetic resonance imaging (rs-fMRI) provides a powerful tool to examine large-scale neural networks in the human brain and their disturbances in neuropsychiatric disorders. Thanks to its low demand and high tolerance, resting state paradigms can be easily acquired from clinical population. However, due to the unconstrained nature, resting state paradigm is associated with excessive head movement and proneness to sleep. Consequently, the test-retest reliability of rs-fMRI measures is moderate at best, falling short of widespread use in the clinic...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28533566/cohort-changes-in-the-social-distribution-of-tolerant-sexual-attitudes
#17
Fred C Pampel
Though many studies have described societal-wide changes in tolerance for sexual behaviors outside marriage, few have examined how the social distribution of tolerant attitudes has changed. A diffusion-of-innovations approach predicts nonlinear change in the distribution: high SES groups adopt the attitudes first, which produces a positive relationship, but diffusion to other SES groups subsequently weakens the association with SES. I test this argument using the General Social Survey from 1973 to 2014 to compare the SES determinants of attitudes toward premarital sex, extramarital sex, same-gender sex, and teenage sex across 86 cohorts born from around 1900 to 1985...
December 7, 2016: Social Forces; a Scientific Medium of Social Study and Interpretation
https://www.readbyqxmd.com/read/28533507/kif4a-mediate-the-accumulation-and-reeducation-of-thp-1-derived-macrophages-via-regulation-of-ccl2-ccr2-expression-in-crosstalking-with-oscc
#18
Yun Zhang, Shaohua Liu, Daiwei Qu, Ketao Wang, Lin Zhang, Xuanxuan Jing, Chen Li, Fengcai Wei, Xun Qu
Crosstalk between tumor infiltrating macrophages and tumor cells is thought to play an indispensable role in oral squamous cell carcinomas (OSCC) by induction and maintenance of tolerance microenvironment. High infiltration of M2 macrophages and increasing expression of Kinesin family member 4A (Kif4A) in primary OSCC have been proved to correlate with greater tumoral size and poor clinical outcome. However, linkage between Kif4A and infiltrating macrophages in tumorigenesis and progression remains unclear...
May 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28533474/weekly-low-dose-versus-three-weekly-high-dose-cisplatin-for-concurrent-chemoradiation-in-locoregionally-advanced-non-nasopharyngeal-head-and-neck-cancer-a-systematic-review-and-meta-analysis-of-aggregate-data
#19
Petr Szturz, Kristien Wouters, Naomi Kiyota, Makoto Tahara, Kumar Prabhash, Vanita Noronha, Ana Castro, Lisa Licitra, David Adelstein, Jan B Vermorken
BACKGROUND: Three-weekly high-dose cisplatin (100 mg/m(2)) is considered the standard systemic regimen given concurrently with postoperative or definitive radiotherapy in locally advanced squamous cell carcinoma of the head and neck (LA-SCCHN). However, due to unsatisfactory patient tolerance, various weekly low-dose schedules have been increasingly used in clinical practice. The aim of this meta-analysis was to compare the efficacy, safety, and compliance between these two approaches...
May 22, 2017: Oncologist
https://www.readbyqxmd.com/read/28533253/selexipag-for-the-treatment-of-pulmonary-arterial-hypertension
#20
Zachary R Noel, Kazuhiko Kido, Tracy E Macaulay
PURPOSE: The pharmacology, pharmacokinetics, clinical efficacy, safety and tolerability, dosing and administration, and place in therapy of selexipag, an orally administered selective prostacyclin receptor agonist for the treatment of pulmonary arterial hypertension (PAH), are reviewed. SUMMARY: The first-in-class oral prostacyclin IP receptor agonist selexipag (Uptravi, Actelion Pharmaceuticals) was approved by the Food and Drug Administration in December 2015...
May 22, 2017: American Journal of Health-system Pharmacy: AJHP
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