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https://www.readbyqxmd.com/read/28454469/regulation-of-cytotoxicity-and-apoptosis-associated-pathways-contributes-to-the-enhancement-of-efficacy-of-cisplatin-by-baicalein-adjuvant-in-human-a549-lung-cancer-cells
#1
Suparata Kiartivich, Ying Wei, Jiaqi Liu, Rungtip Soiampornkul, Mihui Li, Hongying Zhang, Jingcheng Dong
Scutellaria baicalensis (SB; Chinese name, huangqin) is widely used in Chinese medicine as a traditional adjuvant in the chemotherapy of lung and liver cancer. Baicalein is one of the bioactive flavonoid components isolated from the root of SB. The present study aimed to observe the effect of baicalein, in combination with platin-based systemic chemotherapy (cisplatin), on cytotoxicity and apoptosis of human A549 lung cancer cells. The cell cultures were treated with baicalein, cisplatin, or a combination of the two...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454421/notch-is-a-critical-regulator-in-cervical-cancer-by-regulating-numb-splicing
#2
Cai Rong, Yu Feng, Zhou Ye
Cervical cancer, which is the second most common female malignancy, is characterized by the consistent presence of human papillomavirus. Inappropriate activation of Notch signaling has been associated with various types of cancer; however, the role of Notch in cervical cancer remains unclear. The present study aimed to investigate the role of Notch in cervical cancer. The methods used included the generation of plasmids, viability assays, polymerase chain reaction and western blotting The present findings demonstrated that cervical cancer samples also consistently exhibit abnormal activation of the Notch pathway...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454110/personalizing-chinese-medicine-by-integrating-molecular-features-of-diseases-and-herb-ingredient-information-application-to-acute-myeloid-leukemia
#3
REVIEW
Lin Huang, Haichang Li, Duoli Xie, Tieliu Shi, Chengping Wen
Traditional Chinese Medicine (TCM) has been widely used as a complementary medicine in Acute Myeloid Leukemia (AML) treatment. In this study, we proposed a new classification of Chinese Medicines (CMs) by integrating the latest discoveries in disease molecular mechanisms and traditional medicine theory. We screened out a set of chemical compounds on basis of AML differential expression genes and chemical-protein interactions and then mapped them to Traditional Chinese Medicine Integrated Database. 415 CMs contain those compounds and they were categorized into 8 groups according to the Traditional Chinese Pharmacology...
April 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28454083/comparison-of-long-term-outcome-between-hemicolectomy-and-partial-colectomy-in-the-elderly-a-large-population-based-study
#4
Xu Guan, Hanqing Hu, Wei Chen, Zheng Jiang, Zheng Liu, Zhixun Zhao, Yinggang Chen, Guiyu Wang, Xishan Wang
Due to large progress has been achieved in surgical techniques, anesthesia and perioperative care, it is accepted that the very elderly colon cancer (CC) patient is not contraindication for surgery. However, it is a controversy that an extended or a less aggressive surgical approach should be performed for this population. Here, we identified 28110 CC patients aged ≥80 from Surveillance, Epidemiology, and End-Results (SEER) database. The surgical approaches included extended hemicolectomy (HC) and partial colectomy (PC)...
April 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28454055/evaluation-of-a-commercially-available-radioimmunoassay-and-enzyme-immunoassay-for-the-analysis-of-progesterone-and-estradiol-and-the-comparison-of-two-extraction-efficiency-methods
#5
C S Skenandore, A Pineda, J M Bahr, A E Newell-Fugate, F C Cardoso
The measurement of progesterone (P4) and estradiol (E2) is essential for monitoring reproductive cycles and can aid in diagnosing the cause of poor reproductive performance in dairy cattle. Readily available, reproducible, accurate, non-radioactive assays are needed for the assessment of P4 and E2 in bovine serum. The gold standard for hormone assessment, radioimmunoassay (RIA), was compared with enzyme-linked immunoassay (EIA). Serum collected from various points in the estrous cycle was extracted with radiolabeled P4 (ie, (3)H-P4; HE) and without (3)H-P4 (CE) before being used in the assay...
April 5, 2017: Domestic Animal Endocrinology
https://www.readbyqxmd.com/read/28454049/response-surface-method-optimization-of-a-novel-hypericin-formulation-in-p123-micelles-for-colorectal-cancer-and-antimicrobial-photodynamic-therapy
#6
Maiara Camotti Montanha, Larissa Lachi Silva, Fernanda Belincanta Borghi Pangoni, Gabriel Batista Cesar, Renato Sonchini Gonçalves, Wilker Caetano, Noboru Hioka, Tania Toyomi Tominaga, Márcia Edilaine Lopes Consolaro, Andréa Diniz, Elza Kimura
The photodynamic properties of Hypericin (Hyp) may be used as an alternative treatment for malignancies of the lower gastrointestinal tract and for the prevention of surgical-site infection; however, its use in photodynamic therapy has been limited because of its poor hydrosolubility. Therefore, in order to improve its water solubility and its photodynamic effect, Hyp was encapsulated in Pluronic P123 (P123) and the photodynamic effects against intestinal and epidermal bacteria and against two lineages of intestinal colon carcinoma cells were investigated...
April 12, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28454046/preliminary-investigation-of-catalytic-antioxidant-anticancer-and-bactericidal-activity-of-green-synthesized-silver-and-gold-nanoparticles-using-actinidia-deliciosa
#7
Saraschandra Naraginti, Yi Li
Herein we report a rapid low cost one step green synthetic method using Actinidia deliciosa fruit extract for preparation of stable and multifunctional silver and gold nanoparticles. The synthesized nanoparticles were successfully used as green catalysts for the reduction of 4-nitrophenol (4-NP) and methylene blue (MB). The enhanced biological activity of the prepared nanoparticles was investigated based on its highly stable antioxidant, anticancer and bactericidal effects. TEM micrographs showed that the silver nanoparticles (AgNPs) formed were predominantly spherical in shape having diameters ranging from 25 to 40nm, while gold nanoparticles (AuNPs) shown particle size ranges from 7 to 20nm...
March 30, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28453668/a-mass-graph-based-approach-for-the-identification-of-modified-proteoforms-using-top-down-tandem-mass-spectra
#8
Qiang Kou, Si Wu, Nikola Tolic, Ljiljana Paša-Tolic, Yunlong Liu, Xiaowen Liu
Motivation: Although proteomics has rapidly developed in the past decade, researchers are still in the early stage of exploring the world of complex proteoforms, which are protein products with various primary structure alterations resulting from gene mutations, alternative splicing, post-translational modifications, and other biological processes. Proteoform identification is essential to mapping proteoforms to their biological functions as well as discovering novel proteoforms and new protein functions...
May 1, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28453666/inequalities-in-rural-communities-adapting-national-deprivation-indices-for-rural-settings
#9
D Fecht, A Jones, T Hill, T Lindfield, R Thomson, A L Hansell, R Shukla
Background: Deprivation indices have been widely used in healthcare research and planning in the United Kingdom. Existing indices, however, are dominated by characteristics of urban populations that may be less relevant in capturing the nature of rural deprivation. We explore if deprivation indices can be modified to make them more sensitive to displaying rural disadvantage in England. Methods: The analysis focussed on the 2011 Carstairs Index (Carstairs2011) and the 2010 English Index of Multiple Deprivation (IMD2010)...
April 27, 2017: Journal of Public Health
https://www.readbyqxmd.com/read/28453433/diagnostic-accuracy-of-selective-3-t-mr-neurography-guided-retroperitoneal-genitofemoral-nerve-blocks-for-the-diagnosis-of-genitofemoral-neuralgia
#10
Jan Fritz, A Lee Dellon, Eric H Williams, Gedge D Rosson, Allan J Belzberg, Frederick E Eckhauser
Purpose To determine if 3-T magnetic resonance (MR) neurography-guided retroperitoneal genitofemoral nerve (GFN) blocks are safe and effective for the diagnosis of genitofemoral neuralgia. Materials and Methods Following institutional review board approval and informed consent, 26 subjects (16 men, 10 women; mean age, 42 years [range, 24-78 years]; mean body mass index, 28 kg/m(2) [range, 20-35 kg/m(2)]) with intractable groin pain were included. By using a 3-T MR imaging system, intermediate-weighted turbo spin-echo pulse sequences, and MR-conditional needles, diagnostic MR neurography-guided GFN blocks were performed in the retroperitoneum...
April 28, 2017: Radiology
https://www.readbyqxmd.com/read/28453365/a-novel-method-for-designing-and-optimizing-the-layout-of-facilities-in-bathroom-for-the-elderly-in-home-based-rehabilitation
#11
Duojin Wang, Jing Wu, Qinglian Lin
PURPOSE: The home-based rehabilitation of elderly patients improves their autonomy, independence and reintegration into society. Hence, a suitable environment plays an important role in rehabilitation, as do different assistance technologies. The majority of accidents at home involving elderly people occur in the bathroom. Therefore, the planning of the layout of facilities is important in this potentially dangerous area. This paper proposes an approach towards designing and optimizing the layout of facilities in the bathroom, based on logistical and nonlogistical relationships...
April 28, 2017: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/28453293/predicting-a-drug-s-membrane-permeability-a-computational-model-validated-with-in-vitro-permeability-assay-data
#12
Brian J Bennion, Nicholas A Be, Margaret Windy McNerney, Victoria Lao, Emma M Carlson, Carlos A Valdez, Michael A Malfatti, Heather A Enright, Tuan H Nguyen, Felice C Lightstone, Timothy S Carpenter
Membrane permeability is a key property to consider during the drug design process, and particularly vital when dealing with small molecules that have intracellular targets as their efficacy highly depends on their ability to cross the membrane. In this work, we describe the use of umbrella sampling Molecular Dynamics (MD) computational modeling to comprehensively assess the passive permeability profile of a range of compounds through a lipid bilayer. The model was initially calibrated through in vitro validation studies employing a Parallel Artificial Membrane Permeability Assay (PAMPA)...
April 28, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28453285/pharmacological-reprogramming-of-somatic-cells-for-regenerative-medicine
#13
Min Xie, Shibing Tang, Ke Li, Sheng Ding
Lost or damaged cells in tissues and organs can be replaced by transplanting therapeutically competent cells. This approach requires methods that effectively manipulate cellular identities and properties to generate sufficient numbers of desired cell types for transplantation. These cells can be generated by reprogramming readily available somatic cells, such as fibroblasts, into induced pluripotent stem cells (iPSCs), which can replicate indefinitely and give rise to any somatic cell type. This reprogramming can be achieved with genetic methods, such as forced expression of pluripotency-inducing transcription factors (TFs), which can be further improved, or even avoided, with pharmacological agents...
April 28, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28453280/synthesis-of-functionalized-alkenes-by-a-transition-metal-free-zweifel-coupling
#14
Roly J Armstrong, Worawat Niwetmarin, Varinder K Aggarwal
The Zweifel reaction is a powerful method for the synthesis of alkenes, serving as a transition-metal-free alternative to the Suzuki-Miyaura reaction. To date, the scope of the Zweifel coupling has been rather narrow and has focused mainly on the coupling of vinyllithium reagents to synthesize simple aryl- and alkyl-substituted olefins. Herein, the development of a general transition-metal-free coupling process enabling the coupling of Grignard reagents or organolithiums is described. This method enables the enantiospecific synthesis of a wide variety of functionalized acyclic and cyclic olefin products...
April 28, 2017: Organic Letters
https://www.readbyqxmd.com/read/28449326/area-wide-mass-trapping-by-pheromone-based-attractants-for-the-control-of-sugar-beet-weevil-bothynoderes-punctiventris-germar-coleoptera-curculionidae
#15
Z Drmić, M Toth, D Lemić, D Grubišić, M Pospišil, R Bažok
BACKGROUND: Due to the changing climate, narrow crop rotation, and changes in insecticide application practice, sugar beet weevil (SBW) (Bothynoderes punctiventris Germar) has become the most important economic pest in sugar beet. To develop alternative control methods, an area-wide (AW) control program using aggregation pheromones was implemented over four years on an area of 6 and 14.8 km(2) in east Croatia. RESULTS: The mass trapping of SBW on the "old" sugar beet fields reduced the population from 0...
April 27, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28449317/a-comparison-of-individual-based-genetic-distance-metrics-for-landscape-genetics
#16
A J Shirk, E L Landguth, S A Cushman
A major aim of landscape genetics is to understand how landscapes resist gene flow and thereby influence population genetic structure. An empirical understanding of this process provides a wealth of information that can be used to guide conservation and management of species in fragmented landscapes, and also to predict how landscape change may affect population viability. Statistical approaches to infer the true model among competing alternatives are based on the strength of the relationship between pairwise genetic distances and landscape distances among sampled individuals in a population...
April 27, 2017: Molecular Ecology Resources
https://www.readbyqxmd.com/read/28449195/reliable-estimation-of-inhibitory-efficiency-to-anticipate-choose-or-simply-react
#17
Inge Leunissen, Bram B Zandbelt, Zrinka Potocanac, Stephan P Swinnen, James P Coxon
Response inhibition is an important executive process studied by clinical and experimental psychologists, neurophysiologists, and cognitive neuroscientists alike. Stop-signal paradigms are popular because they are grounded in a theory that provides methods to estimate the latency of an unobservable process: the stop-signal reaction time (SSRT). Critically, SSRT estimates can be biased by skew of the response time distribution and gradual slowing over the course of the experiment. Here, we present a series of experiments that directly compare three common stop-signal paradigms that differ in the distribution of response times...
April 27, 2017: European Journal of Neuroscience
https://www.readbyqxmd.com/read/28449108/poly-a-clickseq-click-chemistry-for-next-generation-3%C3%AE-end-sequencing-without-rna-enrichment-or-fragmentation
#18
Andrew Routh, Ping Ji, Elizabeth Jaworski, Zheng Xia, Wei Li, Eric J Wagner
The recent emergence of alternative polyadenylation (APA) as an engine driving transcriptomic diversity has stimulated the development of sequencing methodologies designed to assess genome-wide polyadenylation events. The goal of these approaches is to enrich, partition, capture and ultimately sequence poly(A) site junctions. However, these methods often require poly(A) enrichment, 3΄ linker ligation steps, and RNA fragmentation, which can necessitate higher levels of starting RNA, increase experimental error and potentially introduce bias...
April 26, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28448851/accurate-3d-reconstruction-of-bony-surfaces-using-ultrasonic-synthetic-aperture-techniques-for-robotic-knee-arthroplasty
#19
William Kerr, Philip Rowe, Stephen Gareth Pierce
Robotically guided knee arthroplasty systems generally require an individualized, preoperative 3D model of the knee joint. This is typically measured using Computed Tomography (CT) which provides the required accuracy for preoperative surgical intervention planning. Ultrasound imaging presents an attractive alternative to CT, allowing for reductions in cost and the elimination of doses of ionizing radiation, whilst maintaining the accuracy of the 3D model reconstruction of the joint. Traditional phased array ultrasound imaging methods, however, are susceptible to poor resolution and signal to noise ratios (SNR)...
April 19, 2017: Computerized Medical Imaging and Graphics: the Official Journal of the Computerized Medical Imaging Society
https://www.readbyqxmd.com/read/28448782/amcp-partnership-forum-driving-value-and-outcomes-in-oncology
#20
(no author information available yet)
Innovation in cancer treatment has provided a wealth of recently available therapeutic agents and a healthy drug pipeline that promises to change the way we approach this disease and the lives of those affected in the years to come. However, the majority of these new agents, many of which are targeted to specific genomic features of various tumors, may challenge the health care system's ability to afford cancer care. This innovation drives the need to focus on the value of the treatments provided to patients with cancer and on methods to optimize the efficiency of the dollars we spend, in addition to the clinical value itself...
May 2017: Journal of Managed Care & Specialty Pharmacy
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