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https://www.readbyqxmd.com/read/28109073/cyclin-dependent-kinase-inhibitor-3-promotes-cancer-cell-proliferation-and-tumorigenesis-in-nasopharyngeal-carcinoma-by-targeting-p27
#1
Huimin Wang, Hexin Chen, Hang Zhou, Wenfa Yu, Zhenmin Lu
Nasopharyngeal carcinoma (NPC) is a common head and neck malignancy with high invasion which arises from the nasopharynx epithelium. Cyclin-dependent kinase inhibitor 3 (CDKN3) belongs to the dual-specificity protein phosphatase family which plays a key role in regulating cell division. Abnormal expression of CDKN3 has been found in numerous types of cancer. In the current study, we explored the possible role of CDKN3 in cell proliferation, invasion ability and radiosensitivity in NPC cells. We reported that CDKN3 was upregulated and P27 was downregulated in NPC tissues and associated with worse patient prognosis...
January 20, 2017: Oncology Research
https://www.readbyqxmd.com/read/28108430/remote-monitoring-of-patients-with-heart-failure-an-overview-of-systematic-reviews
#2
REVIEW
Nazli Bashi, Mohanraj Karunanithi, Farhad Fatehi, Hang Ding, Darren Walters
BACKGROUND: Many systematic reviews exist on the use of remote patient monitoring (RPM) interventions to improve clinical outcomes and psychological well-being of patients with heart failure. However, research is broadly distributed from simple telephone-based to complex technology-based interventions. The scope and focus of such evidence also vary widely, creating challenges for clinicians who seek information on the effect of RPM interventions. OBJECTIVE: The aim of this study was to investigate the effects of RPM interventions on the health outcomes of patients with heart failure by synthesizing review-level evidence...
January 20, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28108357/sigma-1-receptor-deficiency-reduces-gabaergic-inhibition-in-the-basolateral-amygdala-leading-to-ltd-impairment-and-depressive-like-behaviors
#3
Baofeng Zhang, Ling Wang, Tingting Chen, Juan Hong, Sha Sha, Jun Wang, Hang Xiao, Ling Chen
Sigma-1 receptor knockout (σ1R-/-) in male mice causes depressive-like phenotype. We observed the expression of σ1R in principal neurons of basolateral amygdala (BLA), a main region for affective regulation. The present study investigated the influence of σ1R deficiency in BLA neurons on synaptic properties and plasticity at cortico-BLA pathway. In comparison with wild-type (WT) mice, the slopes of field excitatory postsynaptic potentials (fEPSP) were reduced in σ1R-/- mice with the increases in paired-pulse facilitation (PPF) and paired-pulse inhibition (PPI) values...
January 17, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28108160/exposure-to-endosulfan-increases-endothelial-permeability-by-transcellular-and-paracellular-pathways-in-relation-to-cardiovascular-diseases
#4
Dan Xu, Tong Liu, Limei Lin, Shuai Li, Xiaoming Hang, Yeqing Sun
Exposure to environmental pollutants results in out-of-balance of vascular homeostasis. Endothelial dysfunction leads to a disruption of the endothelial permeability characteristics, associated with cardiovascular diseases. We previously reported that endosulfan could cause endothelial dysfunction, but the role of endosulfan in permeability of endothelial cells has been unexplored. To elucidate molecular mechanism of endosulfan-induced changes in endothelial permeability, human umbilical vein endothelial cells (HUVECs) were exposed to endosulfan, followed by endothelial permeability analysis...
January 17, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28107822/does-training-improve-diagnostic-accuracy-and-inter-rater-agreement-in-applying-the-berlin-radiographic-definition-of-acute-respiratory-distress-syndrome-a-multicenter-prospective-study
#5
Jin-Min Peng, Chuan-Yun Qian, Xiang-You Yu, Ming-Yan Zhao, Shu-Sheng Li, Xiao-Chun Ma, Yan Kang, Fa-Chun Zhou, Zhen-Yang He, Tie-He Qin, Yong-Jie Yin, Li Jiang, Zhen-Jie Hu, Ren-Hua Sun, Jian-Dong Lin, Tong Li, Da-Wei Wu, You-Zhong An, Yu-Hang Ai, Li-Hua Zhou, Xiang-Yuan Cao, Xi-Jing Zhang, Rong-Qing Sun, Er-Zhen Chen, Bin Du
BACKGROUND: Poor inter-rater reliability in chest radiograph interpretation has been reported in the context of acute respiratory distress syndrome (ARDS), although not for the Berlin definition of ARDS. We sought to examine the effect of training material on the accuracy and consistency of intensivists' chest radiograph interpretations for ARDS diagnosis. METHODS: We conducted a rater agreement study in which 286 intensivists (residents 41.3%, junior attending physicians 35...
January 20, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28107683/altering-intra-to-inter-molecular-hydrogen-bonding-by-dimethylsulfoxide-a-tddft-study-of-charge-transfer-for-coumarin-343
#6
Xiaochun Liu, Hang Yin, Hui Li, Ying Shi
DFT and TDDFT methods were carried out to investigate the influences of intramolecular and intermolecular hydrogen bonding on excited state charge transfer for coumarin 343 (C343). Intramolecular hydrogen bonding is formed between carboxylic acid group and carbonyl group in C343 monomer. However, in dimethylsulfoxide (DMSO) solution, DMSO 'opens up' the intramolecular hydrogen bonding and forms solute-solvent intermolecular hydrogen bonded C343-DMSO complex. Analysis of frontier molecular orbitals reveals that intramolecular charge transfer (ICT) occurs in the first excited state both for C343 monomer and complex...
January 12, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28107678/nobiletin-and-its-colonic-metabolites-suppress-colitis-associated-colon-carcinogenesis-by-down-regulating-inos-inducing-antioxidative-enzymes-and-arresting-cell-cycle-progression
#7
Xian Wu, Mingyue Song, Zili Gao, Yue Sun, Minqi Wang, Fang Li, Jinkai Zheng, Hang Xiao
Nobiletin (NOB) is a major citrus polymethoxyflavone (PMF) with various beneficial biological activities. We reported previously that dietary NOB significantly inhibited colitis-associated colon carcinogenesis in azoxymethane (AOM)/dextran sulfate sodium (DSS)-treated mice, and the chemopreventive effects were associated with NOB metabolites found in the mouse colonic tissues. In this study, to better understand the role of colonic metabolites of NOB, we determined the anti-inflammation and anticancer effects of a mixture of NOB and its major metabolites (NOB-Met) at the concentrations equivalent to those found in colonic tissues of NOB-fed mice...
January 11, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28107466/thermal-conductivity-performance-of-polypropylene-composites-filled-with-polydopamine-functionalized-hexagonal-boron-nitride
#8
Lin Chen, Hong-Fei Xu, Shao-Jian He, Yi-Hang Du, Nan-Jie Yu, Xiao-Ze Du, Jun Lin, Sergei Nazarenko
Mussel-inspired approach was attempted to non-covalently functionalize the surfaces of boron nitride (BN) with self-polymerized dopamine coatings in order to reduce the interfacial thermal barrier and enhance the thermal conductivity of BN-containing composites. Compared to the polypropylene (PP) composites filled with pristine BN at the same filler content, thermal conductivity was much higher for those filled with both functionalized BN (f-BN) and maleic anhydride grafted PP (PP-g-ma) due to the improved filler dispersion and better interfacial filler-matrix compatibility, which facilitated the development of more thermal paths...
2017: PloS One
https://www.readbyqxmd.com/read/28106840/a-low-complexity-method-for-two-dimensional-direction-of-arrival-estimation-using-an-l-shaped-array
#9
Qing Wang, Hang Yang, Hua Chen, Yangyang Dong, Laihua Wang
In this paper, a new low-complexity method for two-dimensional (2D) direction-of-arrival (DOA) estimation is proposed. Based on a cross-correlation matrix formed from the L-shaped array, the proposed algorithm obtains the automatic pairing elevation and azimuth angles without eigendecomposition, which can avoid high computational cost. In addition, the cross-correlation matrix eliminates the effect of noise, which can achieve better DOA performance. Then, the theoretical error of the algorithm is analyzed and the Cramer-Rao bound (CRB) for the direction of arrival estimation is derived ...
January 19, 2017: Sensors
https://www.readbyqxmd.com/read/28106808/anti-fatigue-effects-of-the-unique-polysaccharide-marker-of-dendrobium-officinale-on-balb-c-mice
#10
Wei Wei, Zhi-Peng Li, Tong Zhu, Hau-Yee Fung, Tin-Long Wong, Xin Wen, Dik-Lung Ma, Chung-Hang Leung, Quan-Bin Han
Dendrobium officinale extract shows potent anti-fatigue effects; however, the active substance responsible for these effects remains undetermined. A glucomannan with a huge molecular size of 730 kDa, called DOP, was identified as the unique authentication marker of this expensive herb. DOP exhibited immunomodulating effects on macrophages and lymphocytes in our previous study. Clinical reports also showed that people with fatigue syndrome have a disturbed immune system. Because DOP is the unique and dominant component of D...
January 18, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28106233/a-novel-digital-templating-methodology-for-arthroplasty-experience-from-patients-with-osteonecrosis-of-the-femoral-head
#11
Ning Dong, Chen Yang, Shu-Qiang Li, Yu-Hang Gao, Jian-Guo Liu, Xin Qi
PURPOSE: To assess the accuracy of a novel digital templating methodology for total hip arthroplasty (THA) in patients with osteonecrosis of the femoral head (ONFH). METHODS: A retrospective study was carried out on 77 hips in 58 patients who had undergone uncemented THA for ONFH. Preoperative radiographs were templated using a 2-step procedure: (i) calculation of basic cup and stem sizes based on the anatomical morphology; (ii) adjustment of the basic sizes to account for variables such as femoral external rotation, osteoporotic changes in the femur, osteosclerotic changes in the acetabulum, and the type of stem...
January 20, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28106172/carrageenan-activates-monocytes-via-type-specific-binding-with-interleukin-8-an-implication-for-design-of-immuno-active-biomaterials
#12
Weng-I Chan, Guangpan Zhang, Xin Li, Chung-Hang Leung, Dik-Lung Ma, Lei Dong, Chunming Wang
Polymers that can activate the immune system may become useful biomaterials tools, given that the mechanisms underlying their actions are well understood. Herein, we report a novel type of interaction between polymers and immune cells - in studying the influence of the three major types of carrageenan (CGN) polysaccharides on monocyte behaviour in vitro, we found only the λ-type induced monocyte adhesion and this action requires the presence of an adequate amount of serum. Further analyses indicated λ-CGN bound interleukin-8 (IL-8) in the serum and activated the cultured monocytes through an IL-8-dependent pathway...
January 20, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/28106060/brain-microvasculature-defects-and-glut1-deficiency-syndrome-averted-by-early-repletion-of-the-glucose-transporter-1-protein
#13
Maoxue Tang, Guangping Gao, Carlos B Rueda, Hang Yu, David N Thibodeaux, Tomoyuki Awano, Kristin M Engelstad, Maria-Jose Sanchez-Quintero, Hong Yang, Fanghua Li, Huapeng Li, Qin Su, Kara E Shetler, Lynne Jones, Ryan Seo, Jonathan McConathy, Elizabeth M Hillman, Jeffrey L Noebels, Darryl C De Vivo, Umrao R Monani
Haploinsufficiency of the SLC2A1 gene and paucity of its translated product, the glucose transporter-1 (Glut1) protein, disrupt brain function and cause the neurodevelopmental disorder, Glut1 deficiency syndrome (Glut1 DS). There is little to suggest how reduced Glut1 causes cognitive dysfunction and no optimal treatment for Glut1 DS. We used model mice to demonstrate that low Glut1 protein arrests cerebral angiogenesis, resulting in a profound diminution of the brain microvasculature without compromising the blood-brain barrier...
January 20, 2017: Nature Communications
https://www.readbyqxmd.com/read/28104022/-immune-checkpoint-inhibitor-therapy-in-advanced-head-and-neck-cancer
#14
W Hang, Z X Xu, Q Zhang, X Lu, G Liu
Immune checkpoint inhibitor therapy, which targets regulatory pathways in T cells to enhance antitumor immune responses, improves the life quality of cancer patients and has joined the ranks of surgery, radiation, and chemotherapy to become a major choice for cancer therapy. Over the past few years, multiple exciting results have been obtained on checkpoint inhibitor therapy in advanced head and neck cancer. However, questions such as patient selection and biomarkers for assessing the therapy are largely unsolved...
January 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/28103395/influence-of-lipid-content-in-a-corn-oil-preparation-on-the-bioaccessibility-of-%C3%AE-carotene-a-comparison-of-low-fat-and-high-fat-samples
#15
Ziyuan Xia, David Julian McClements, Hang Xiao
Some individuals with fat maldigestion have compromised digestive systems, which causes the incomplete hydrolyzation of ingested lipids within the gastrointestinal tract (GIT). We studied the influence of high-fat (20%) and low-fat (4%) contents on the bioaccessibility of a highly hydrophobic nutraceutical (β-carotene) through a simulated GIT model consisting of mouth, stomach, and small intestine phases. The low-fat and high-fat values were chosen to simulate low-fat and high-fat diets. The triglycerides in the low-fat system were fully digested, whereas those in the high-fat system were only partially digested, thereby mimicking the digestive systems of individuals who exhibit fat maldigestion...
January 19, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28103143/video-assisted-thoracic-surgical-lobectomy-for-lung-cancer-description-of-a-learning-curve
#16
Fei Yao, Jian Wang, Ju Yao, Fangrong Hang, Shiqi Cao, Yongke Cao
BACKGROUND: Video-assisted thoracic surgical (VATS) lobectomy is gaining popularity in the treatment of lung cancer. The aim of this study is to investigate the learning curve of VATS lobectomy by using multidimensional methods and to compare the learning curve groups with respect to perioperative clinical outcomes. METHODS: We retrospectively reviewed a prospective database to identify 67 consecutive patients who underwent VATS lobectomy for lung cancer by a single surgeon...
January 19, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28102935/ectopic-cushing-syndrome-in-small-cell-lung-cancer-a-case-report-and-literature-review
#17
Hang-Yu Zhang, Jun Zhao
Small cell lung cancer (SCLC) is a neuroendocrine tumor with the potential to secrete various peptides or hormones that can lead to paraneoplastic syndromes, such as Ectopic Cushing syndrome (ECS). Because of the aggressive nature of the syndrome and its atypical features, ECS in small-cell lung cancer is difficult to diagnose and has a poor prognosis. We report a case of a 74-year-old male patient who presented with severe hypokalemia, proximal muscle weakness, peripheral edema, metabolic alkalosis, and worsening hyperglycemia...
November 8, 2016: Thoracic Cancer
https://www.readbyqxmd.com/read/28102328/qualitative-and-quantitative-analysis-with-a-novel-shear-wave-speed-imaging-for-differential-diagnosis-of-breast-lesions
#18
Yu-Ping Yang, Xiao-Hong Xu, Le-Hang Guo, Ya-Ping He, Dan Wang, Bo-Ji Liu, Chong-Ke Zhao, Bao-Ding Chen, Hui-Xiong Xu
To evaluate the diagnostic performance of a new two-dimensional shear wave speed (SWS) imaging (i.e. Toshiba shear wave elastography, T-SWE) in differential diagnosis of breast lesions. 225 pathologically confirmed breast lesions in 218 patients were subject to conventional ultrasound and T-SWE examinations. The mean, standard deviation and ratio of SWS values (m/s) and elastic modulus (KPa) on T-SWE were computed. Besides, the 2D elastic images were classified into four color patterns. The area under the receiver operating characteristic (AUROC) curve analysis was performed to evaluate the diagnostic performance of T-SWE in differentiation of breast lesions...
January 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28102324/antiproliferative-and-apoptosis-inducing-effect-of-exo-protoporphyrin-ix-based-sonodynamic-therapy-on-human-oral-squamous-cell-carcinoma
#19
Yanhong Lv, Jinhua Zheng, Qi Zhou, Limin Jia, Chunying Wang, Nian Liu, Hong Zhao, Hang Ji, Baoxin Li, Wenwu Cao
Sonodynamic therapy (SDT) is an innovative modality for cancer treatment. But the biological effect of SDT on oral squamous cell carcinoma has not been studied. Our previous study has shown that endo-Protoporphyrin IX based SDT (ALA-SDT) could induce apoptosis in human tongue squamous carcinoma SAS cells through mitochondrial pathway. Herein, we investigated the effect of exo- Protoporphyrin based SDT (PpIX-SDT) on SAS cells in vitro and in vivo. We demonstrated that PpIX-SDT increased the ratio of cells in the G2/M phase and induced 3-4 times more cell apoptosis compared to sonocation alone...
January 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28101217/safety-and-effectiveness-of-percutaneous-radiofrequency-ablation-in-early-stage-renal-cell-carcinoma
#20
Hang Liu, Changzhong Gao, Hualong Yu
The purpose of this study was to analyze the safety and effectiveness of percutaneous radiofrequency ablation (RFA) in early stage renal cell carcinoma. A total of 76 patients suffering from early stage renal cell carcinoma were selected and randomly assigned into the observation group (41 cases) or the control group (35 cases). Percutaneous RFA was used in the observation group, while retroperitoneoscopic radical operation of renal cell carcinoma was used in the control group, and the operative effects were compared...
December 2016: Oncology Letters
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