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https://www.readbyqxmd.com/read/28340432/reorganization-of-anterior-and-posterior-hippocampal-networks-associated-with-memory-performance-in-mesial-temporal-lobe-epilepsy
#1
Hong Li, Caihong Ji, Lujia Zhu, Peiyu Huang, Biao Jiang, Xiaojun Xu, Jianzhong Sun, Zhong Chen, Meiping Ding, Minming Zhang, Shuang Wang
OBJECTIVE: To investigate the pattern of functional demarcation of hippocampal network and its relationship with memory performance in mesial temporal lobe epilepsy (mTLE) with unilateral hippocampal sclerosis. METHODS: Resting state fMRI data were acquired from fifteen left mTLE patients, fourteen right mTLE patients and twenty healthy subjects. We explore the hippocampal-cortical alterations and corresponding inter-hemispheric functional connectivity (FC) across anterior and posterior hippocampal networks...
March 4, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28340409/mitochondrial-dna-damage-and-oxidative-damage-in-hl-60-cells-exposed-to-900mhz-radiofrequency-fields
#2
Yulong Sun, Lin Zong, Zhen Gao, Shunxing Zhu, Jian Tong, Yi Cao
HL-60 cells, derived from human promyelocytic leukemia, were exposed to continuous wave 900MHz radiofrequency fields (RF) at 120μW/cm(2) power intensity for 4h/day for 5 consecutive days to examine whether such exposure is capable damaging the mitochondrial DNA (mtDNA) mediated through the production of reactive oxygen species (ROS). In addition, the effect of RF exposure was examined on 8-hydroxy-2'-dexoyguanosine (8-OHdG) which is a biomarker for oxidative damage and on the mitochondrial synthesis of adenosine triphosphate (ATP) which is the energy required for cellular functions...
March 7, 2017: Mutation Research
https://www.readbyqxmd.com/read/28340393/when-public-health-intervention-is-not-successful-cost-sharing-crowd-out-and-selection-in-korea-s-national-cancer-screening-program
#3
Hyuncheol Bryant Kim, Sun-Mi Lee
This study investigates the impact of and behavioral responses to cost sharing in Korea's National Cancer Screening Program, which provides free stomach and breast cancer screenings to those with an income below a certain cutoff. Free cancer screening substantially increases the screening take up rate, yielding more cancer detections. However, the increase in cancer detection is quickly crowded out by cancer detection through other channels such as diagnostic testing and private cancer screening. Further, compliers are much less likely to have cancer than never takers...
March 6, 2017: Journal of Health Economics
https://www.readbyqxmd.com/read/28340381/studying-the-adsorption-of-dna-nanostructures-on-graphene-in-the-aqueous-phase-using-molecular-dynamic-simulations
#4
Jixue Sun, Yang Li, Jianping Lin
DNA nanostructures can undergo large structural fluctuations and deviate from their intended configurations. In this work, two model DNA nanostructures (i.e., Nan and Kai) were designed based on the shape of the two Chinese characters of the name of Nankai University, and additional single-stranded DNA fragments were added to interact with graphene. During four 50-ns molecular dynamic simulations in aqueous solution, the DNA nanostructures adsorbed onto graphene demonstrated more stable conformations with lower root mean square deviations and smaller coordinate changes in the z-axis direction than the DNA nanostructures that were not adsorbed onto graphene...
March 9, 2017: Journal of Molecular Graphics & Modelling
https://www.readbyqxmd.com/read/28340364/cervical-facet-force-analysis-after-disc-replacement-versus-fusion
#5
Vikas V Patel, Zachary R Wuthrich, Kirk C McGilvray, Matthew C Lafleur, Emily M Lindley, Derrick Sun, Christian M Puttlitz
BACKGROUND: Cervical total disc replacement was developed to preserve motion and reduce adjacent-level degeneration relative to fusion, yet concerns remain that total disc replacement will lead to altered facet joint loading and long-term facet joint arthrosis. This study is intended to evaluate changes in facet contact force, pressure and surface area at the treated and superior adjacent levels before and after discectomy, disc replacement, and fusion. METHODS: Ten fresh-frozen human cadaveric cervical spines were potted from C2 to C7 with pressure sensors placed into the facet joints of C3-C4 and C4-C5 via slits in the facet capsules...
March 18, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28340305/the-clinical-application-of-ngs-based-snp-haplotyping-for-pgd-of-hb-h-disease
#6
Linjun Chen, Zhenyu Diao, Zhipeng Xu, Jianjun Zhou, Guijun Yan, Haixiang Sun
This study investigated the usefulness of next-generation sequencing (NGS)-based single nucleotide polymorphism (SNP) haplotyping for preimplantation genetic diagnosis (PGD) of hemoglobin H (Hb H) disease. Multiple displacement amplification (MDA) was used for whole genome amplification (WGA) of biopsied trophectoderm (TE) cells. Gap-PCR and NGS-based SNP haplotyping was used to distinguish the two genotypes of -α(3.7)/αα and -(SEA)/αα for PGD of Hb H disease. One out of the ten blastocysts (B11) was successfully diagnosed as genotype -α(3...
March 24, 2017: Systems Biology in Reproductive Medicine
https://www.readbyqxmd.com/read/28340192/prediction-equation-for-calculating-residual-kidney-urea-clearance-using-urine-collections-for-different-hemodialysis-treatment-frequencies-and-interdialytic-intervals
#7
Yoshitsugu Obi, Kamyar Kalantar-Zadeh, Elani Streja, John T Daugirdas
Background.: The purpose of the study was to explore the precision of an equation designed to estimate residual kidney urea clearance (K RU ) from interdialytic urine collection data and pre-hemodialysis (HD) serum urea nitrogen (SUN) in different hemodialysis treatment schedules. Methods.: The generalizability of the proposed equation was tested in 32 731 HD treatments where urine was collected prior to a dialysis session, mostly for 24 h but sometimes longer, in patients being dialyzed 1-4 times/week...
March 15, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28340002/overexpression-of-the-rice-sumo-e3-ligase-gene-ossiz1-in-cotton-enhances-drought-and-heat-tolerance-and-substantially-improves-fiber-yields-in-the-field-under-reduced-irrigation-and-rainfed-conditions
#8
Neelam Mishra, Li Sun, Xunlu Zhu, Jennifer Smith, Anurag Prakash Srivastava, Xiaojie Yang, Necla Pehlivan, Nardana Esmaeili, Hong Luo, Guoxin Shen, Don Jones, Dick Auld, John Burke, Paxton Payton, Hong Zhang
The Arabidopsis SUMO E3 ligase gene AtSIZ1 plays important roles in plant response to abiotic stresses as loss of function in AtSIZ1 leads to increased sensitivity to drought, heat and salt stresses. Overexpression of the AtSIZ1 rice homolog, OsSIZ1, leads to increased heat and drought tolerance in bentgrass, suggesting that the function of the E3 ligase SIZ1 is highly conserved in plants and it plays a critical role in abiotic stress responses. To test the possibility that the SUMO E3 ligase could be used to engineer drought- and heat-tolerant crops, the rice gene OsSIZ1 was overexpressed in cotton...
March 1, 2017: Plant & Cell Physiology
https://www.readbyqxmd.com/read/28339722/prevalence-and-drug-resistance-of-avian-eimeria-species-in-broiler-chicken-farms-of-zhejiang-province-china
#9
L-H Lan, B-B Sun, B-X-Z Zuo, X-Q Chen, A-F Du
In this study, coccidia were isolated and identified from 5 main poultry farms located in Zhejiang province, eastern China. The overall prevalence of Eimeria spp. was 30.7% (95 of 310). Five common species were observed: E. tenella, E. acervulina, E. maxima, E. necatrix, and E. mitis. Two isolates (HZ and QZ) were tested for sensitivity to 8 anticoccidial drugs using 4 indexes including anticoccidial index (ACI), percent of optimum anticoccidial activity (POAA), reduction of lesion scores (RLS), and relative oocyst production (ROP): sulfachloropyrazine, toltrazuril, diclazuril, sulfamonomethoxine/trimethoprim, and amprolium; sulfaquinoxaline/sulfadimethoxine, nicarbazin, and halofuginone...
February 22, 2017: Poultry Science
https://www.readbyqxmd.com/read/28339687/extra-gonadal-oocytes-residing-in-the-mouse-ovarian-hilum-contribute-to-fertility1
#10
Xiaofei Sun, Junya Ito, Sarah J Potter, Sudhansu K Dey, Tony DeFalco
The observation of pups born from recipient and donor mice after ovariectomy followed by ovarian transplant poses the interesting possibility of an extra-ovarian source of oocytes. However, whether mammalian adult oocytes reside in extra-gonadal tissues remains elusive. Using transgenic fluorescent reporter mice and transplantation surgeries, we demonstrate the presence of both donor- and recipient-derived corpora lutea and recovery of both donor- and recipient-derived offspring from ovariectomized mice after transplantation of donor ovaries...
February 20, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28339639/comparative-structural-study-of-the-zona-radiata-of-the-eggs-of-three-gobiobotia-cyprinidae-teleostei-endemic-korean-freshwaters
#11
Woong Sun Choi, Jae Goo Kim, Jong Young Park
The genus Gobiobotia in Korea has only three species and all are endemic benthic freshwater fishes. Their oocytes were observed by light microscopy, scanning electron microscopy and transmission electron microscopy to investigate the characteristics of the zona radiata (ZR), a non-cellular envelope, which surrounds the egg. Various developmental cells appeared during the spawning season. During the yolk vesicles stage, which yolk vesicles are spherically developed in periphery of the cytoplasm and gradually increase in its number and size, the ZR becomes visible between its follicular layer and ooplasm...
February 15, 2017: Microscopy
https://www.readbyqxmd.com/read/28339451/percutaneous-vertebral-augmentation-for-the-treatment-of-symptomatic-schmorl-s-nodes-our-viewpoint-and-experience
#12
Sun Zhi-Yong, Xiaoyu Zhu, Zhonglai Gian, Hui Lin Yang
No abstract text is available yet for this article.
March 2017: Pain Physician
https://www.readbyqxmd.com/read/28339416/improving-vocational-outcomes-in-first-episode-psychosis-by-addressing-cognitive-impairments-using-cognitive-adaptation-training
#13
Kelly A Allott, Eoin Killackey, Pamela Sun, Warrick J Brewer, Dawn I Velligan
BACKGROUND: Cognitive Adaptation Training (CAT) uses compensatory strategies and environmental supports to support cognitive impairments and improve functioning. CAT may be useful for addressing vocational recovery in first-episode psychosis (FEP) because cognitive impairments are common and vocational recovery is a key goal of young people with FEP. OBJECTIVE: To describe clinical observations and practice experience when delivering CAT with FEP clients and explore potential benefits via objective outcome measures for improving vocational outcomes...
March 23, 2017: Work: a Journal of Prevention, Assessment, and Rehabilitation
https://www.readbyqxmd.com/read/28339245/precision-control-of-the-electron-longitudinal-bunch-shape-using-an-emittance-exchange-beam-line
#14
G Ha, M H Cho, W Namkung, J G Power, D S Doran, E E Wisniewski, M Conde, W Gai, W Liu, C Whiteford, Q Gao, K-J Kim, A Zholents, Y-E Sun, C Jing, P Piot
We report on the experimental generation of relativistic electron bunches with a tunable longitudinal bunch shape. A longitudinal bunch-shaping (LBS) beam line, consisting of a transverse mask followed by a transverse-to-longitudinal emittance exchange (EEX) beam line, is used to tailor the longitudinal bunch shape (or current profile) of the electron bunch. The mask shapes the bunch's horizontal profile, and the EEX beam line converts it to a corresponding longitudinal profile. The Argonne wakefield accelerator rf photoinjector delivers electron bunches into a LBS beam line to generate a variety of longitudinal bunch shapes...
March 10, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28339215/discovery-and-pre-clinical-characterization-of-a-3-rd-generation-4-h-heteroaryldihydropyrimidine-hap-analogues-as-hepatitis-b-virus-hbv-capsid-inhibitors
#15
Zongxing Qiu, Xianfeng Lin, Weixing Zhang, Mingwei Zhou, Lei Guo, Buelent Kocer, Guolong Wu, Zhisen Zhang, Haixia Liu, Houguang Shi, Buyu Kou, Taishan Hu, Yimin Hu, Mengwei Huang, S Frank Yan, Zhiheng Xu, Zheng Zhou, Ning Qin, Yue Fen Wang, Shuang Ren, Hongxia Qiu, Yuxia Zhang, Yi Zhang, Xiaoyue Wu, Kai Sun, Sheng Zhong, Jianxun Xie, Giorgio Ottaviani, Yuan Zhou, Lina Zhu, Xiaojun Tian, Liping Shi, Fang Shen, Yi Mao, Xue Zhou, Lu Gao, John A T Young, Jim Zhen Wu, Guang Yang, Alexander V Mayweg, Hong C Shen, Guozhi Tang, Wei Zhu
Described herein are the discovery and structure-activity relationship (SAR) studies of the 3(rd) generation 4-H heteroaryldihydropyrimidines (4-H HAPs) featuring the introduction of a C6 carboxyl group as novel HBV capsid inhibitors. This new series of 4-H HAPs showed improved anti-HBV activity and better drug-like properties compared to the 1(st) and 2(nd) generation 4-H HAPs. X-ray crystallographic study of analogue 12 (HAP_R01) with Cp149 Y132A mutant hexamer clearly elucidated the role of C6 carboxyl group played for the increased binding affinity, which formed strong hydrogen bonding interactions with capsid protein and coordinated waters...
March 24, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28339198/discovery-of-4-3-r-4-s-5-r-6%C3%A2-chloro-4-3-chloro-2-fluorophenyl-1-ethyl-2%C3%A2-oxodispiro-cyclohexane-1-2-pyrrolidine-3-3%C3%A2-indoline-5-carboxamido-bicyclo-2-2-2-octane-1-carboxylic-acid-aa-115-apg-115-a-potent-and-orally-active-murine-double-minute-2-mdm2-inhibitor
#16
Angelo Aguilar, Jianfeng Lu, Liu Liu, Ding Du, Denzil Bernard, Donna McEachern, Sally Przybranowski, Xiaoqin Li, Ruijuan Luo, Bo Wen, Duxin Sun, Hengbang Wang, Jianfeng Wen, Guangfeng Wang, Yifan Zhai, Ming Guo, Dajun Yang, Shaomeng Wang
We previously reported the design of spirooxindoles with two identical substituents at the carbon-2 of the pyrrolidine core as potent MDM2 inhibitors. In this paper we describe an extensive structure-activity relationship study of this class of MDM2 inhibitors, which led to the discovery of 60 (AA-115/APG-115). Compound 60 has a very high affinity to MDM2 (Ki < 1 nM), potent cellular activity, and an excellent oral pharmacokinetic profile. Compound 60 is capable of achieving complete and long-lasting tumor regression in vivo and is currently in phase I clinical trials for cancer treatment...
March 24, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28339196/discovery-of-a-small-molecule-degrader-of-bromodomain-and-extra-terminal-bet-proteins-with-picomolar-cellular-potencies-and-capable-of-achieving-tumor-regression
#17
Bing Zhou, Jiantao Hu, Fuming Xu, Zhuo Chen, Longchuan Bai, Ester Fernandez-Salas, Mei Lin, Liu Liu, Chao-Yie Yang, Yujun Zhao, Donna McEachern, Sally Przybranowski, Bo Wen, Duxin Sun, Shaomeng Wang
The bromodomain and extra-terminal (BET) family proteins, consisting of BRD2, BRD3, BRD4, and testis-specific BRDT members, are epigenetic "readers" and play a key role in the regulation of gene transcription. BET proteins are considered to be attractive therapeutic targets for cancer and other human diseases. Recently, heterobifunctional small-molecule BET degraders have been designed based upon the proteolysis targeting chimera (PROTAC) concept to induce BET protein degradation. Herein, we present our design, synthesis, and evaluation of a new class of PROTAC BET degraders...
March 24, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28339184/mxene-ti3c2-an-effective-2d-light-to-heat-conversion-material
#18
Renyuan Li, Lianbin Zhang, Le Shi, Peng Wang
MXene, a new series of 2D material, has been steadily advancing its applications to a variety of fields, such as catalysis, supercapacitor, molecular separation, electromagnetic wave interference shielding. This work reports a carefully designed aqueous droplet light heating system along with a thorough mathematical procedure, which combined leads to a precise determination of internal light-to-heat conversion efficiency of a variety of nanomaterials. The internal light-to-heat conversion efficiency of MXene, more specifically Ti3C2, was measured to be 100%, indicating a perfect energy conversion...
March 24, 2017: ACS Nano
https://www.readbyqxmd.com/read/28339181/oxidative-polyoxometalates-modified-graphitic-carbon-nitride-for-visible-light-co2-reduction
#19
Jie Zhou, Weichao Chen, Chunyi Sun, Lu Han, Chao Qin, Mengmeng Chen, Xinlong Wang, Enbo Wang, Zhongmin Su
Developing a photocatalysis system for converting CO2 to valuable fuels or chemicals is a promising strategy to address global warming and fossil fuel consumption. Exploring photocatalysts with high-performance and low-cost has been two ultimate goals toward photoreduction of CO2. Herein, noble-metal-free polyoxometalates (Co4) with oxidative ability was first introduced into g-C3N4 resulted in inexpensive hybrid materials (Co4@g-C3N4) with staggered band alignment. The staggered composited materials show a higher activity of CO2 reduction than bare g-C3N4...
March 24, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28339113/preparation-and-oxidation-stability-evaluation-of-tea-polyphenols-loaded-inverse-micro-emulsion
#20
Xiaohong Lan, Jingjing Sun, Ying Yang, Mengjie Chen, Jianhua Liu, Jinhong Wu, Zhengwu Wang
Compared to synthetic antioxidants, tea polyphenols (TPs) has its own advantages in edible oil industry, however, the hydrophilic properties have restricted its applications. In this study, the ternary phase diagram of TPs-loaded micro-emulsion (ME) system was constructed, in which glyceryl monooleate (GMO), Tween80, linoleic acid as the surfactants, ethanol as the co-surfactant and soybean, corn, sunflower oil as the oil phase, have been used for the preparation of ME. The results indicated that a composition of ME (57...
March 24, 2017: Journal of Food Science
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