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https://www.readbyqxmd.com/read/28227960/automated-volumetry-for-unilateral-hippocampal-sclerosis-detection-in-patients-with-temporal-lobe-epilepsy
#1
Cristina Martins, Nadia Moreira da Silva, Guilherme Silva, Verena E Rozanski, Joao Paulo Silva Cunha, Cristina Martins, Nadia Moreira da Silva, Guilherme Silva, Verena E Rozanski, Joao Paulo Silva Cunha, Joao Paulo Silva Cunha, Guilherme Silva, Verena E Rozanski, Nadia Moreira da Silva, Cristina Martins
Hippocampal sclerosis (HS) is the most common cause of temporal lobe epilepsy (TLE) and can be identified in magnetic resonance imaging as hippocampal atrophy and subsequent volume loss. Detecting this kind of abnormalities through simple radiological assessment could be difficult, even for experienced radiologists. For that reason, hippocampal volumetry is generally used to support this kind of diagnosis. Manual volumetry is the traditional approach but it is time consuming and requires the physician to be familiar with neuroimaging software tools...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227486/patient-walk-detection-in-hospital-room-using-microsoft-kinect-v2
#2
Liang Liu, Sanjay Mehrotra, Liang Liu, Sanjay Mehrotra, Liang Liu, Sanjay Mehrotra
This paper describes a system using Kinect sensor to detect patient walk automatically in a hospital room setting. The system is especially essential for the case when the patient is alone and the nursing staff is absent. The patient activities are represented by the features extracted from Kinect V2 skeletons. The analysis to the recognized walk could help us to better understand the health situation of the patient and the possible hospital acquired infection (HAI), and provide valuable information to healthcare givers for making a corresponding treatment decision and alteration...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227355/automatic-recognition-of-pertrochanteric-bone-fractures-in-femur-using-level-sets
#3
Ling Wang, Hong Cheng, Hai Lan, Yingjie Zheng, Kainan Li, Ling Wang, Hong Cheng, Hai Lan, Yingjie Zheng, Kainan Li, Ling Wang, Yingjie Zheng, Hong Cheng, Hai Lan, Kainan Li
Femur fracture is one of the common diseases in the elderly. In this paper, an automatic and efficient classification method of femoral pertrochanteric fractures is proposed based on image segmentation techniques. The types of femoral pertrochanteric fracture are defined firstly according to the difference of fracture parts. To reduce the computational complexity, only four directions images are used in each 3D femur, i.e. the anterior, the anterolateral, the posterior and the posterolateral images of a femur...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227211/an-automatic-quantitative-measurement-method-for-performance-assessment-of-retina-image-registration-algorithms
#4
Ee Ping Ong, Jimmy Addison Lee, Guozhen Xu, Beng Hai Lee, Damon W K Wong, Ee Ping Ong, Jimmy Addison Lee, Guozhen Xu, Beng Hai Lee, Damon W K Wong, Jimmy Addison Lee, Guozhen Xu, Ee Ping Ong, Beng Hai Lee, Damon W K Wong
This paper presents a novel automatic quantitative measurement method for assessment of the performance of image registration algorithms designed for registering retina fundus images. To achieve automatic quantitative measurement, we propose the use of edges and edge dissimilarity measure for determining the performance of retina image registration algorithms. Our input is the registered pair of retina fundus images obtained using any of the existing retina image registration algorithms in the literature. To compute edge dissimilarity score, we propose an edge dissimilarity measure that we called "robustified Hausdorff distance"...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225805/prevalence-and-risk-factors-of-chlamydia-infection-in-hong-kong-a-population-based-geospatial-household-survey-and-testing
#5
William Chi Wai Wong, Yanping Zhao, Ngai Sze Wong, William L Parish, Heidi Yin Hai Miu, Li-Gang Yang, Michael Emch, King Man Ho, Francois Yeung Fong, Joseph D Tucker
BACKGROUND: Chlamydia causes infertility and increases risk of HIV infection, and population-based studies provide essential information for effective infection control and prevention. This study examined Chlamydia trachomatis prevalence and risk factors among a representative sample of 18-49-year-old residents in Hong Kong. METHODS: Census boundary map of 412 constituency areas was used as primary sampling units to construct the sampling frame and, residential buildings and units were randomly selected using geospatial modelling...
2017: PloS One
https://www.readbyqxmd.com/read/28225610/intramolecular-energy-and-electron-transfer-within-a-diazaperopyrenium-based-cyclophane
#6
Xirui Gong, Ryan M Young, Karel J Hartlieb, Claire Miller, Yilei Wu, Hai Xiao, Peng Li, Nema Hafezi, Jiawang Zhou, Lin Ma, Tao Cheng, William A Goddard, Omar K Farha, Joseph T Hupp, Michael R Wasielewski, J Fraser Stoddart
Molecules capable of performing highly efficient energy transfer and ultrafast photo-induced electron transfer in well-defined multichromophoric structures are indispensable to the development of artificial photosynthetic systems. Herein, we report on the synthesis, characterization and photophysical properties of a rationally designed multichromophoric tetracationic cyclophane, DAPPBox(4+), containing a diazaperopyrenium (DAPP(2+)) unit and an extended viologen (ExBIPY(2+)) unit, which are linked together by two p-xylylene bridges...
February 22, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28225491/rupture-of-hepatic-hemangioma-with-hemoperitoneum-due-to-spontaneous-gallbladder-perforation-a-unique-case-report
#7
Qing-Hong Ke, Chun-Jun Zhang, Hai-Feng Huang
INTRODUCTION: Hemangiomas are common benign tumors of the liver. Spontaneous rupture is a rare complication, occurring most commonly in giant hemangiomas. Rupture of a hemangioma with hemoperitoneum is a serious development and can be fatal if not managed promptly.The present study reports the unique case of a man who experienced rupture and hemorrhage of a hepatic hemangioma (HH) due to perforation of the gallbladder fundus. After en block resection of the hemangioma and gallbladder using the Pringle maneuver, the patient made an uneventful recovery without complications...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28225183/protective-effects-of-araloside-c-against-myocardial-ischaemia-reperfusion-injury-potential-involvement-of-heat-shock-protein-90
#8
Min Wang, Yu Tian, Yu-Yang Du, Gui-Bo Sun, Xu-Dong Xu, Hai Jiang, Hui-Bo Xu, Xiang-Bao Meng, Jing-Yi Zhang, Shi-Lan Ding, Miao-di Zhang, Ming-Hua Yang, Xiao-Bo Sun
The present study was designed to investigate whether Araloside C, one of the major triterpenoid compounds isolated from Aralia elata known to be cardioprotective, can improve heart function following ischaemia/reperfusion (I/R) injury and elucidate its underlying mechanisms. We observed that Araloside C concentration-dependently improved cardiac function and depressed oxidative stress induced by I/R. Similar protection was confirmed in isolated cardiomyocytes characterized by maintaining Ca(2+) transients and cell shortening against I/R...
February 22, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28225117/gold-nanoparticles-and-the-corresponding-filter-membrane-as-chemosensors-and-adsorbents-for-dual-signal-amplification-detection-and-fast-removal-of-mercury-ii
#9
Gaosong Chen, Jun Hai, Hao Wang, Weisheng Liu, Fengjuan Chen, Baodui Wang
Nowadays, the development of a multifunction system for the simultaneous multiple signal amplification detection and fast removal of Hg(2+) remains a major challenge. Herein, we for the first time used gold nanoparticles (Au NPs) and the corresponding filter membrane as chemosensors and adsorbents for dual signal amplification detection and fast removal of Hg(2+). Such a system was based on the formation of gold amalgam and a gold amalgam-based reaction between rhodamine B (RhB) and NaBH4 with fluorescence and colorimetric sensing functions...
February 22, 2017: Nanoscale
https://www.readbyqxmd.com/read/28225103/beneficial-effects-of-lycium-barbarum-polysaccharide-on-spermatogenesis-by-improving-antioxidant-activity-and-inhibiting-apoptosis-in-streptozotocin-induced-diabetic-male-mice
#10
Guang-Jiang Shi, Jie Zheng, Jing Wu, Hai-Qi Qiao, Qing Chang, Yang Niu, Tao Sun, Yu-Xiang Li, Jian-Qiang Yu
Spermatogenic dysfunction is one of the major secondary complications of diabetes. L. barbarum polysaccharide (LBP) has long been considered to possess anti-apoptotic activities and antioxidant, anti-inflammatory and fertility-enhancing properties in traditional medical practices in China. The aim of the current study was to seek out scientific evidence to determine if LBP also contributes to the recovery from spermatogenic dysfunction in diabetic individuals. We investigated whether the oral administration of LBP in streptozotocin (STZ)-induced type-1 diabetic male mice would reverse spermatogenic dysfunction and improve histological damage in testes...
February 22, 2017: Food & Function
https://www.readbyqxmd.com/read/28225019/trpv1-deletion-impaired-fracture-healing-and-inhibited-osteoclast-and-osteoblast-differentiation
#11
Lin-Hai He, Meng Liu, Yang He, E Xiao, Lu Zhao, Ting Zhang, Hua-Qian Yang, Yi Zhang
Fracture healing, in which osteoclasts and osteoblasts play important roles, has drawn much clinical attention. Osteoclast deficiency or decreased osteoblast activity will impair fracture healing. TRPV1 is a member of the Ca(2+) permeable cation channel subfamily, and pharmacological inhibition of TRPV1 prevents ovariectomy-induced bone loss, which makes TRPV1 a potential target for osteoporosis. However, whether long term TRPV1 inhibition or TRPV1 deletion will affect the fracture healing process is unclear...
February 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28225008/anticancer-osmium-complex-inhibitors-of-the-hif-1%C3%AE-and-p300-protein-protein-interaction
#12
Chao Yang, Wanhe Wang, Guo-Dong Li, Hai-Jing Zhong, Zhen-Zhen Dong, Chun-Yuen Wong, Daniel W J Kwong, Dik-Lung Ma, Chung-Hang Leung
The hypoxia inducible factor (HIF) pathway has been considered to be an attractive anti-cancer target. One strategy to inhibit HIF activity is through the disruption of the HIF-1α-p300 protein-protein interaction. We report herein the identification of an osmium(II) complex as the first metal-based inhibitor of the HIF-1α-p300 interaction. We evaluated the effect of complex 1 on HIF-1α signaling pathway in vitro and in cellulo by using the dual luciferase reporter assay, co-immunoprecipitation assay, and immunoblot assay...
February 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28225005/autophagy-protects-against-palmitic-acid-induced-apoptosis-in-podocytes-in-vitro
#13
Xu-Shun Jiang, Xue-Mei Chen, Jiang-Min Wan, Hai-Bo Gui, Xiong-Zhong Ruan, Xiao-Gang Du
Autophagy is a highly conserved degradation process that is involved in the clearance of proteins and damaged organelles to maintain intracellular homeostasis and cell integrity. Type 2 diabetes is often accompanied by dyslipidemia with elevated levels of free fatty acids (FFAs). Podocytes, as an important component of the filtration barrier, are susceptible to lipid disorders. The loss of podocytes causes proteinuria, which is involved in the pathogenesis of diabetic nephropathy. In the present study, we demonstrated that palmitic acid (PA) promoted autophagy in podocytes...
February 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28224759/genomic-variants-at-20p11-associated-with-body-fat-mass-in-the-european-population
#14
Yu-Fang Pei, Hai-Gang Ren, Lu Liu, Xiao Li, Chen Fang, Yun Huang, Wen-Zhu Hu, Wei-Wen Kong, An-Ping Feng, Xin-Yi You, Wen Zhao, Hui Shen, Qing Tian, Yong-Hong Zhang, Hong-Wen Deng, Lei Zhang
OBJECTIVE: Body fat mass (BFM) is more homogeneous and accurate than body total mass in measuring obesity but has rarely been studied. Aiming to uncover the genetic basis of fat-induced obesity, a genome-wide association meta-analysis of BFM, after adjustment by body lean mass, was performed in the European population. METHODS: Three samples of European ancestry were included in the meta-analysis: the Framingham Heart Study (N = 6,004), the Kansas City osteoporosis study (N = 2,207), and the Omaha osteoporosis study (N = 968)...
February 22, 2017: Obesity
https://www.readbyqxmd.com/read/28224725/quisinostat-treatment-improves-histone-acetylation-and-developmental-competence-of-porcine-somatic-cell-nuclear-transfer-embryos
#15
Long Jin, Qing Guo, Hai-Ying Zhu, Xiao-Xu Xing, Guang-Lei Zhang, Mei-Fu Xuan, Qi-Rong Luo, Zhao-Bo Luo, Jun-Xia Wang, Xi-Jun Yin, Jin-Dan Kang
Abnormal epigenetic modifications are considered a main contributing factor to low cloning efficiency. In the present study, we explored the effects of quisinostat, a novel histone deacetylase inhibitor, on blastocyst formation rate in porcine somatic-cell nuclear transfer (SCNT) embryos, on acetylation of histone H3 lysine 9 (AcH3K9), and on expression of POU5F1 protein and apoptosis-related genes BAX and BCL2. Our results showed that treatment with 10 nM quisinostat for 24 h significantly improved the development of reconstructed embryos compared to the untreated group (19...
February 22, 2017: Molecular Reproduction and Development
https://www.readbyqxmd.com/read/28224711/ratiometric-photoacoustic-molecular-imaging-for-methylmercury-detection-in-living-subjects
#16
Yi Liu, Sheng Wang, Ying Ma, Jing Lin, Hai-Yan Wang, Yueqing Gu, Xiaoyuan Chen, Peng Huang
Photoacoustic molecular imaging is an emerging and promising diagnostic tool for heavy metal ions detection. Methylmercury (MeHg(+) ) is one of the most potent neurotoxins, which damages the brain and nervous system of human beings through fish consumption. The development of a selective and sensitive method for MeHg(+) detection is highly desirable. In this Communication, we develope a chemoselective photoacoustic sensor (LP-hCy7) composed of the liposome (LP) and MeHg(+) -responsive near-infrared (NIR) cyanine dye (hCy7) for MeHg(+) detection within living subjects, such as zebrafish and mouse...
February 22, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28224427/clinical-characteristics-of-sleep-disorders-in-patients-with-parkinson-s-disease
#17
Zhi-Juan Mao, Chan-Chan Liu, Su-Qiong Ji, Qing-Mei Yang, Hong-Xiang Ye, Hai-Yan Han, Zheng Xue
In order to investigate the sleep quality and influencing factors in patients with Parkinson's disease (PD), 201 PD patients were enrolled and underwent extensive clinical evaluations. Subjective sleep evaluation was assessed using the Pittsburgh Sleep Quality Index (PSQI), and the Epworth Sleepiness Scale (ESS). It was found that poor sleep quality (77.11%) and excessive daytime sleepiness (32.34%) were commonly seen in PD patients and positively correlated with disease severity. Then 70 out of the 201 PD patients and 70 age- and sex-matched controls underwent a polysomnographic recording...
February 2017: Journal of Huazhong University of Science and Technology. Medical Sciences
https://www.readbyqxmd.com/read/28224418/dietary-restriction-reduces-blood-lipids-and-ameliorates-liver-function-of-mice-with-hyperlipidemia
#18
Hai-Tao Gao, Wen-Zhao Cheng, Qian Xu, Lin-Xiang Shao
Dietary restriction (DR) can delay senescence, prolong lifespan of mammals and improve their learning-memory activity. The purpose of the study was to explore the effects of DR on hypolipidemic action and liver function of mice with hyperlipidemia. To investigate these effects, hyperlipidemia mouse models were established with high-fat diet (HFD) (34% of energy), then randomly divided into HFD group, DR30% group and DR50% group. Mice in DR30% and DR50% group were respectively supplied with HFD as much as about 70% and 50% of the consumption of HFD in the mice of HFD group...
February 2017: Journal of Huazhong University of Science and Technology. Medical Sciences
https://www.readbyqxmd.com/read/28224111/attributable-cost-of-a-nosocomial-infection-in-the-intensive-care-unit-a-prospective-cohort-study
#19
Binila Chacko, Kurien Thomas, Thambu David, Hema Paul, Lakshmanan Jeyaseelan, John Victor Peter
AIM: To study the impact of hospital-acquired infections (HAIs) on cost and outcome from intensive care units (ICU) in India. METHODS: Adult patients (> 18 years) admitted over 1-year, to a 24-bed medical critical care unit in India, were enrolled prospectively. Treatment cost and outcome data were collected. This cost data was merged with HAI data collected prospectively by the Hospital Infection Control Committee. Only infections occurring during ICU stay were included...
February 4, 2017: World Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28224018/2-benzyl-benzofurans-from-the-tubers-of-ophiopogon-japonicus
#20
Nguyen Hai Dang, Nguyen Dinh Chung, Ha Manh Tuan, Nguyen Van Thanh, Nguyen Tuan Hiep, Dongho Lee, Nguyen Tien Dat
BACKGROUND: The overproduction of nitric oxide (NO) is known to involve in various inflammatory processes. A methanol extract of the tubers of Ophiopogon japonicus was found to strongly inhibit NO production. The present paper deals with the isolation, structural identification and NO inhibitory effect of five compounds isolated from the MeOH extract of O. japonicus tubers. RESULTS: Three new compounds were elucidated to be (2R)-(4-methoxybenzyl)-5,7-dimethyl-6-hydroxyl-2,3-dihydrobenzofuran (1), 2-(2-hydroxyl-4-methoxy-benzyl)-5-methyl-6-methoxyl-2,3-dihydrobenzofuran (2), and 2-(4-hydroxy-benzyl)-5,6-dihydroxybenzofuran (3)...
2017: Chemistry Central Journal
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