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https://www.readbyqxmd.com/read/27927522/adult-spinal-deformity-epidemiology-health-impact-evaluation-and-management
#1
Christopher P Ames, Justin K Scheer, Virginie Lafage, Justin S Smith, Shay Bess, Sigurd H Berven, Gregory M Mundis, Rajiv K Sethi, Donald A Deinlein, Jeffrey D Coe, Lloyd A Hey, Michael D Daubs
Spinal deformity in the adult is a common medical disorder with a significant and measurable impact on health-related quality of life. The ability to measure and quantify patient self-reported health status with disease-specific and general health status measures, and to correlate health status with radiographic and clinical measures of spinal deformity, has enabled significant advances in the assessment of the impact of deformity on our population, and in the evaluation and management of spinal deformity using an evidence-based approach...
July 2016: Spine Deformity
https://www.readbyqxmd.com/read/27924707/interindividual-differences-in-chemosensory-perception-toward-a-better-understanding-of-perceptual-ratings-during-chemical-exposures
#2
Marlene Pacharra, Stefan Kleinbeck, Michael Schäper, Stephanie A Juran, Kathrin Hey, Meinolf Blaszkewicz, Marie-Louise Lehmann, Klaus Golka, Christoph van Thriel
Perceptions that arise from stimulation of olfactory and trigeminal receptors in the nasal cavity guide the evaluation of chemical environment in humans. Strong interindividual differences in these assessments may be attributed to nonsensory factors such as gender, anxiety, and chemical sensitivity. Knowledge regarding the influence of these factors originates mainly from basic odor research using short-term exposure scenarios. In situations with continuous chemical exposures-common in the working environment-their impact is less clear...
2016: Journal of Toxicology and Environmental Health. Part A
https://www.readbyqxmd.com/read/27920162/-hey-everybody-don-t-get-pregnant-zika-who-and-an-ethical-framework-for-advising
#3
Katie Byron, Dana Howard
WHO recently issued new guidance on the prevention of sexual transmission of Zika virus. The updated guidance states that '[c]ountry health programmes should ensure that… [i]n order to prevent adverse pregnancy and fetal outcomes, men and women of reproductive age, living in areas where local transmission of Zika virus is known to occur, be correctly informed and oriented to consider delaying pregnancy'. While the media has reported this advice as WHO telling couples in Zika-affected regions to avoid pregnancy, WHO states that they are not doing that...
December 5, 2016: Journal of Medical Ethics
https://www.readbyqxmd.com/read/27919697/apes-submentalise
#4
Cecilia Heyes
Making subtle and extensive use of eye-tracking technology, Krupenye and colleagues showed that, like human infants, great apes - chimpanzees, bonobos and orangutans - can accurately anticipate the goal-directed behaviour of an agent that holds a false belief. How do they do it, by mentalising or by submentalising?
December 2, 2016: Trends in Cognitive Sciences
https://www.readbyqxmd.com/read/27916587/genetic-toxicity-of-epimedium-koreanum-nakai
#5
Youn-Hwan Hwang, Hey Jin Yang, Nam-Hui Yim, Jin Yeul Ma
ETHNOPHARMACOLOGICAL RELEVANCE: In Eastern Asia, E. koreanum Nakai (EKN) has traditionally been used as an aphrodisiac herbal medicine. However, there was no available information for its genotoxicity. This study was conducted to evaluate the genotoxic potentials of EKN. MATERIALS AND METHODS: The phytochemicals of EKN were identified using liquid chromatography/tandem mass spectrometry (LC/MS/MS). Three standard battery of genotoxicity assay for bacterial reverse mutation, mammalian chromosomal aberration and in vivo micronuclei formation was employed...
December 1, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/27906672/non-toxic-dose-of-liposomal-honokiol-suppresses-metastasis-of-hepatocellular-carcinoma-through-destabilizing-egfr-and-inhibiting-the-downstream-pathways
#6
Jianhong Yang, Heying Pei, Hong Luo, Afu Fu, Hansuo Yang, Jia Hu, Chengjian Zhao, LuLu Chai, Xiang Chen, Ximing Shao, Chunyu Wang, Wenshuang Wu, Li Wan, Haoyu Ye, Qiang Qiu, Aihua Peng, Yuquan Wei, Li Yang, Lijuan Chen
At present, there is no specific anti-metastasis drug in HCC treatment. Drugs used for primary HCC tumors and tumor metastasis are very similar, among which cytotoxic drugs are prevalent, such as cisplatin, doxorubicin and 5-FU. The EGFR pathway plays an important role in promoting hepatocellular carcinoma (HCC) metastasis. Hence, development of non-toxic anti-metastasis drugs, such as EGFR or downstream pathways inhibitors, is of great importance. In our present study, we found non-toxic dose of liposomal honokiol (LH) could inhibit the HCC metastasis by destabilizing EGFR and inhibiting the downstream pathways...
November 29, 2016: Oncotarget
https://www.readbyqxmd.com/read/27875414/the-influence-of-histologic-subtype-in-predicting-survival-of-lung-cancer-patients-with-spinal-metastases
#7
Naresh Kumar, Kimberly-Anne Tan, Jiong Hao Tan, Aye S Zaw, Hwee Weng Dennis Hey, John Ruiz, Emily Stone
STUDY DESIGN: Retrospective analysis. SUMMARY OF BACKGROUND DATA: Recent advancements in systemic treatment of lung cancer have significantly improved the survival of patients with certain histolopathologic and molecular subtypes. Existing prognostic scores do not account for this and patients with lung cancer spinal metastases are grouped together as poor prognostic candidates, and consequently, some may be inappropriately denied palliative spine surgery. OBJECTIVE: The objective of the study was to study whether the expected survival in patients with lung cancer spinal metastases is affected by histolopathologic and molecular subtypes in the context of modern systemic therapy...
November 21, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27871510/anticholinergic-premedication-to-prevent-bradycardia-in-combined-spinal-anesthesia-and-dexmedetomidine-sedation-a-randomized-double-blind-placebo-controlled-study
#8
Eun Jin Ahn, Jun Ha Park, Hyo Jin Kim, Kyung Woo Kim, Hey Ran Choi, Si Ra Bang
OBJECTIVE: When dexmedetomidine is used in patients undergoing spinal anesthesia, high incidence of bradycardia in response to parasympathetic activation is reported. Therefore, we aimed to evaluate the effectiveness of atropine premedication for preventing the incidence of bradycardia and the hemodynamic effect on patients undergoing spinal anesthesia with sedation by dexmedetomidine. DESIGN: Randomized, double-blind, placebo-controlled study. SETTING: Operating room...
December 2016: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/27858840/regulation-of-podocyte-lesions-in-diabetic-nephropathy-via-mir-34a-in-the-notch-signaling-pathway
#9
Xiangying Zhang, Shuping Song, Huixin Luo
BACKGROUND: The activation of the Notch signaling pathway has been shown to play an important role in diabetic nephropathy (DN) development. Besides, Notch-1 is a target gene in miR-34a. However, the regulation of the podocyte lesions involved in DN by miR-34a has not been identified. METHODS: This study utilized miR-34a mimics and small interfering RNA transfection to construct miR-34a overexpression and lower-expression model to investigate the effect of miR-34a on the regulation of the Notch signaling pathway and podocyte lesions in DN...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27856380/t9-versus-t10-as-the-upper-instrumented-vertebra-for-correction-of-adult-deformity-rationale-and-recommendations
#10
Hwee Weng Dennis Hey, Kimberly-Anne Tan, Christabel Shao-En Neo, Eugene Tze-Chun Lau, Denise Ai-Wen Choong, Leok-Lim Lau, Gabriel Ka-Po Liu, Hee-Kit Wong
BACKGROUND CONTEXT: Adult spinal deformity correction sometimes involves long posterior pedicle screw constructs extending from the lumbosacral spine to the thoracic vertebra. As fusion obliterates motion and places supraphysiological stress on adjacent spinal segments, it is crucial to ascertain the ideal upper instrumented vertebra (UIV) to minimize risk of proximal junctional failure (PJF). The T10 vertebra is often chosen to allow bridging of the thoracolumbar junction into the immobile thoracic vertebrae on the basis that it is the lowest immobile thoracic vertebra strut by the rib cage...
November 14, 2016: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/27849078/structure-behavior-study-of-a-family-of-hybrid-cyanine-dyes-which-exhibit-inverted-solvatochromism
#11
Rafaela I Stock, Carlos E A de Melo, Adriana D S Schramm, Celso R Nicoleti, Adailton J Bortoluzzi, Renata da S Heying, Vanderlei G Machado, Marcos C Rezende
The inverted solvatochromism of twenty dyes containing an electron-donor phenolate conjugated with an electron-withdrawing nitro-substituted phenyl ring was analyzed in terms of the dye structure and substituents. Structural factors that increased the difference between the electrophilicities of the donor and acceptor moieties, or the donor-acceptor strength of the phenolate dyes, also increased the sensitivity of the dyes to solvent-polarity changes and red-shifted their solvatochromic absorption bands.
November 30, 2016: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/27845085/hey-ho-let-s-go
#12
Niall Boyce
No abstract text is available yet for this article.
November 12, 2016: Lancet
https://www.readbyqxmd.com/read/27845066/cinobufagin-induces-apoptosis-of-osteosarcoma-cells-through-inactivation-of-notch-signaling
#13
Yongfei Cao, Ling Yu, Guo Dai, Shanshan Zhang, Zhengpei Zhang, Tian Gao, Weichun Guo
Osteosarcoma (OS) is a major cause of cancer-related mortality in children and young adults worldwide. Due to preexisting or acquired chemoresistance, the current standard neoadjuvant chemotherapy regimens show only moderate activity against OS. In the current study, we explored the potential anti-OS Cinobufagin in vitro and in vivo, and investigated its underlying mechanisms. The antitumor potential of Cinobufagin was assessed using cell viability assays, and cycle and apoptosis were determined. In a cell-based assay, the mRNA and protein expression of Notch-1, Hes-1, Hes-5 and Hey-1 were determined by quantitative polymerase chain reactions and western blotting...
November 12, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/27832357/emerging-biologics-in-inflammatory-bowel-disease
#14
REVIEW
Heyson Chi-Hey Chan, Siew Chien Ng
Early biologic therapy is recommended in patients with inflammatory bowel disease and poor prognostic factors and in those refractory to conventional medications. Anti-tumor necrosis factor (anti-TNF) agents are the most commonly used biologic agents. However, some patients may not have an initial response to anti-TNF therapy, and one-third will develop loss of response over time. Anti-TNF drugs can also be associated with side effects. In addition, the use of biologics is currently limited by their cost, especially in developing countries...
November 10, 2016: Journal of Gastroenterology
https://www.readbyqxmd.com/read/27830010/glutaminase-inhibitor-compound-968-inhibits-cell-proliferation-and-sensitizes-paclitaxel-in-ovarian-cancer
#15
Lingqin Yuan, Xiugui Sheng, Leslie H Clark, Lu Zhang, Hui Guo, Hannah M Jones, Adam K Willson, Paola A Gehrig, Chunxiao Zhou, Victoria L Bae-Jump
Our overall goal was to investigate the anti-tumor activity of the glutaminase 1 (GLS1) Inhibitor compound 968 in ovarian cancer cells. The human ovarian cancer cell lines, HEY, SKOV3 and IGROV-1 were used. Cell proliferation was assessed by MTT assay after treatment with compound 968. Cell cycle progression and Annexin V expression were evaluated using Cellometer. Western blotting was performed to determine changes in GLS1, cellular stress and cell cycle checkpoints. Reactive oxygen species (ROS) and glutamate dehydrogenase (GDH) activity were assessed by ELISA assay...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27826572/capsule-endoscopy-of-the-small-bowel
#16
REVIEW
Mark E McAlindon, Hey-Long Ching, Diana Yung, Reena Sidhu, Anastasios Koulaouzidis
Capsule endoscopy (CE) is a first line small bowel investigative modality which provides more sensitive mucosal imaging than comparators. It is a non-invasive, non-irradiating tool well tolerated by patients. The risk of retention of the capsule can be minimised by ensuring luminal patency using the Agile patency device. Research continues into how to minimise missed pathology and variability in the identification of pathology or interpretation of images. The consensus is that bowel preparation using laxatives improves visibility and diagnostic yield...
October 2016: Annals of Translational Medicine
https://www.readbyqxmd.com/read/27823619/chikusetsusaponin-iva-methyl-ester-induces-g1-cell-cycle-arrest-triggers-apoptosis-and-inhibits-migration-and-invasion-in-ovarian-cancer-cells
#17
Xin Chen, Qiu-Shuang Wu, Fan-Cheng Meng, Zheng-Hai Tang, Xiuping Chen, Li-Gen Lin, Ping Chen, Wen-An Qiang, Yi-Tao Wang, Qing-Wen Zhang, Jin-Jian Lu
BACKGROUND: Panacis Japonici Rhizoma (PJR) is one of the most famous Chinese medical herbs that is known for exhibiting potential anti-cancer effects. PURPOSE: This study aims to isolate and investigate the anti-cancer potential of saponins from PJR in ovarian cancer cells. METHODS: The compounds were separated by comprehensive chromatographic methods. By comparison of the 1H- and 13C NMR data, as well as the HR-ESI-MS data, with the corresponding references, the structures of compounds were determined...
December 1, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/27822384/immunomodulatory-role-of-mesenchymal-stem-cell-therapy-in-vascularized-composite-allotransplantation
#18
REVIEW
Richard Heyes, Andrew Iarocci, Yourka Tchoukalova, David G Lott
This review aims to summarize contemporary evidence of the in vitro and in vivo immunomodulatory effects of mesenchymal stem cells (MSCs) in promoting vascularized composite allotransplant (VCA) tolerance. An extensive literature review was performed to identify pertinent articles of merit. Prospective preclinical trials in mammal subjects receiving VCA (or skin allograft) with administration of MSCs were reviewed. Prospective clinical trials with intravascular delivery of MSCs in human populations undergoing solid organ transplant were also identified and reviewed...
2016: Journal of Transplantation
https://www.readbyqxmd.com/read/27818378/transgenic-tobacco-lines-expressing-sense-or-antisense-ferrochelatase-1-rna-show-modified-ferrochelatase-activity-in-roots-and-provide-experimental-evidence-for-dual-localization-of-ferrochelatase-1
#19
Daniel Hey, Patricia Ortega-Rodes, Tingting Fan, Florian Schnurrer, Lea Brings, Boris Hedtke, Bernhard Grimm
In plants, two genes encode ferrochelatase (FC), which catalyzes iron chelation into protoporphyrin IX at the final step of heme biosynthesis. FERROCHELATASE1 (FC1) is continuously, but weakly expressed in roots and leaves, while FC2 is dominantly active in leaves. As a continuation of previous studies on the physiological consequences of FC2 inactivation in tobacco, we aimed to assign FC1 function in plant organs. While reduced FC2 expression leads to protoporphyrin IX accumulation in leaves, FC1 down-regulation and overproduction caused reduced and elevated FC activity in root tissue, respectively, but were not associated with changes in macroscopic phenotype, plant development or leaf pigmentation...
October 22, 2016: Plant & Cell Physiology
https://www.readbyqxmd.com/read/27816860/unsupervised-boundary-delineation-of-spinal-neural-foramina-using-a-multi-feature-and-adaptive-spectral-segmentation
#20
Xiaoxu He, Heye Zhang, Mark Landis, Manas Sharma, James Warrington, Shuo Li
As a common disease in the elderly, neural foramina stenosis (NFS) brings a significantly negative impact on the quality of life due to its symptoms including pain, disability, fall risk and depression. Accurate boundary delineation is essential to the clinical diagnosis and treatment of NFS. However, existing clinical routine is extremely tedious and inefficient due to the requirement of physicians' intensively manual delineation. Automated delineation is highly needed but faces big challenges from the complexity and variability in neural foramina images...
October 29, 2016: Medical Image Analysis
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