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https://www.readbyqxmd.com/read/28103649/amlodipine-an-l-type-calcium-channel-blocker-protects-against-chlorpromazine-induced-neurobehavioural-deficits-in-mice
#1
Oluwafemi E Kale, Olufunsho Awodele, Temitope O Ogundare, Martins Ekor
The present study investigated the modulatory and chemopreventive benefit of amlodipine (AML), a dihydropyridine calcium channel antagonist, against neurobehavioural abnormalities (NAs) associated with chlorpromazine (CPZ) toxicity in mice. Adult mice were divided into five groups of 6 animals/group. Group 1 (control) was administered saline (10 ml/kg i.p.). Group 2 received CPZ (2 mg/kg i.p.). Groups 3 and 4 received bromocriptine (BMC, 2.5 mg/kg s.c.) and AML (1 mg/kg s.c.) respectively while group 5 received their combination...
January 19, 2017: Fundamental & Clinical Pharmacology
https://www.readbyqxmd.com/read/28103580/biodegradable-and-biocompatible-high-elastic-chitosan-scaffold-is-cell-friendly-both-in-vitro-and-in-vivo
#2
Yichuan Pang, An Qin, Xianfeng Lin, Lin Yang, Qiang Wang, Zhengke Wang, Zhi Shan, Shengyun Li, Jiying Wang, Shunwu Fan, Qiaoling Hu
Biodegradable and biocompatible macromolecule chitosan has been favored for a variety of clinical applications. We reported herein the fabrication of a novel chitosan scaffold with high elasticity. This scaffold can be easily compressed and thus enable the insertion of such scaffold into surgical lesions during minimal invasive surgeries. In addition, this novel scaffold can restore its shape when released. We evidenced that this high elastic scaffold has better biocompatibility than traditional chitosan scaffold...
January 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28103579/the-combination-of-early-treatment-response-and-ypt-stage-is-a-novel-metric-to-stage-rectal-cancer-patients-treated-with-neoadjuvant-chemoradiotherapy
#3
Jian Cui, Lin Yang, Lei Guo, Yongfu Shao, Dongfeng Tan, Ni Li, Haizeng Zhang
Rectal cancer patients receiving neoadjuvant chemoradiotherapy (NCRT) are currently classified using the same Tumor-Node-Metastasis staging system as those patients without NCRT. We determined whether the combination of tumor treatment response (TRG) and ypT stage more accurately assesses primary tumors in rectal cancer after NCRT. We analyzed data from 329 rectal cancer patients treated with NCRT followed by radical resection. Cox proportional hazards models were used to evaluate the effects of different staging parameters on disease-free survival (DFS)...
January 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28103576/a-new-model-of-multi-visceral-and-bone-metastatic-prostate-cancer-with-perivascular-niche-targeting-by-a-novel-endothelial-specific-adenoviral-vector
#4
Zhi Hong Lu, Sergey Kaliberov, Rebecca E Sohn, Lyudmila Kaliberova, Yingqiu Du, Julie L Prior, Daniel J Leib, Anne Chauchereau, Jennifer K Sehn, David T Curiel, Jeffrey M Arbeit
While modern therapies for metastatic prostate cancer (PCa) have improved survival they are associated with an increasingly prevalent entity, aggressive variant PCa (AVPCa), lacking androgen receptor (AR) expression, enriched for cancer stem cells (CSCs), and evidencing epithelial-mesenchymal plasticity with a varying extent of neuroendocrine transdifferentiation. Parallel work revealed that endothelial cells (ECs) create a perivascular CSC niche mediated by juxtacrine and membrane tethered signaling. There is increasing interest in pharmacological metastatic niche targeting, however, targeted access has been impossible...
January 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28103575/piwil2-transfected-human-fibroblasts-are-cancer-stem-cell-like-and-genetically-unstable
#5
Deying Zhang, Xin Wu, Xing Liu, Chunhong Cai, Guangping Zeng, Jan Rohozinski, Yuanyuan Zhang, Guanghui Wei, Dawei He
Uncontrolled cell proliferation and inhibition of apoptosis are considered to be vital for cancer initiation, maintenance, infiltration, metastasis and recurrence after anti-cancer therapy. Here we report the generation of a novel cell line by reprogramming child foreskin fibroblast with the full length apoptosis inhibitor gene PIWIL2. The fibroblasts transfected with PIWIL2 expressed the stem cell markers OCT-4, NANOG, SOX-2, KLF-4 and C-MYC; endoderm marker AFP and GATA6; mesoderm markers ACTA2 and BRACHYURY; and ectoderm markers NESTIN and TUBB3...
January 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28103571/identification-of-aurintricarboxylic-acid-as-a-selective-inhibitor-of-the-tweak-fn14-signaling-pathway-in-glioblastoma-cells
#6
Alison Roos, Harshil D Dhruv, Ian T Mathews, Landon J Inge, Serdar Tuncali, Lauren K Hartman, Donald Chow, Nghia Millard, Holly H Yin, Jean Kloss, Joseph C Loftus, Jeffrey A Winkles, Michael E Berens, Nhan L Tran
The survival of patients diagnosed with glioblastoma (GBM), the most deadly form of brain cancer, is compromised by the proclivity for local invasion into the surrounding normal brain, which prevents complete surgical resection and contributes to therapeutic resistance. Tumor necrosis factor-like weak inducer of apoptosis (TWEAK), a member of the tumor necrosis factor (TNF) superfamily, can stimulate glioma cell invasion and survival via binding to fibroblast growth factor-inducible 14 (Fn14) and subsequent activation of the transcription factor NF-κB...
January 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28103566/exact-and-approximate-stability-of-solutions-to-traveling-salesman-problems
#7
Moritz Niendorf, Anouck R Girard
This paper presents the stability analysis of an optimal tour for the symmetric traveling salesman problem (TSP) by obtaining stability regions. The stability region of an optimal tour is the set of all cost changes for which that solution remains optimal and can be understood as the margin of optimality for a solution with respect to perturbations in the problem data. It is known that it is not possible to test in polynomial time whether an optimal tour remains optimal after the cost of an arbitrary set of edges changes...
January 17, 2017: IEEE Transactions on Cybernetics
https://www.readbyqxmd.com/read/28103565/a-scan-line-forest-growing-based-hand-segmentation-framework-with-multipriority-vertex-stereo-matching-for-wearable-devices
#8
Yiyi Ren, Xiang Xie, Guolin Li, Zhihua Wang
A hand segmentation framework is proposed for 3-D hand gesture interaction for wearable devices. In this framework, all the objects in a scene are regarded as directed trees in a forest, and the problem of the hand segmentation can be converted into finding the target tree (called hand tree) in the forest with proper hand properties including color consistency, space consistency, disparity, and hand shape constraints. The forest grows scan-line by scan-line from high reliable regions to low reliable regions...
January 16, 2017: IEEE Transactions on Cybernetics
https://www.readbyqxmd.com/read/28103558/effective-multi-query-expansions-collaborative-deep-networks-based-feature-learning-for-robust-landmark-retrieval
#9
Yang Wang, Xuemin Lin, Lin Wu, Wenjie Zhang
Given a query photo issued by a user (q-user), the landmark retrieval is to return a set of photos with their landmarks similar to those of the query, while the existing studies on the landmark retrieval focus on exploiting geometries of landmarks for similarity matches between candidate photos and a query photo. We observe that the same landmarks provided by different users over social media community may convey different geometry information depending on the viewpoints and/or angles, and may subsequently yield very different results...
January 18, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28103554/robust-neighborhood-preserving-projection-by-nuclear-l2-1-norm-regularization-for-image-feature-extraction
#10
Zhao Zhang, Fanzhang Li, Mingbo Zhao, Li Zhang, Shuicheng Yan
We propose two nuclear- and L2,1-norm regularized two-dimensional neighborhood preserving projection (2DNPP) methods for extracting representative 2D image features. 2DNPP extracts neighborhood preserving features via minimizing the Frobenius norm based reconstruction error that is very sensitive to noise and outliers in data. To make the distance metric more reliable and robust, and encode the neighborhood reconstruction error more accurately, we minimize the nuclear- and L2,1-norm based reconstruction error respectively and measure it over each image...
January 16, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28103550/estimating-the-accuracy-level-among-individual-detections-in-clustered-microcalcifications
#11
Maria Sainz de Cea, Robert Nishikawa, Yongyi Yang
Computerized detection of clustered microcalcifica tions (MCs) in mammograms often suffers from the occurrence of false positives (FPs), which can vary greatly from case to case. We investigate how to apply statistical estimation to determine the number of FPs that are present in a detected MC lesion. First, we describe the number of true positives (TPs) by a Poisson-Binomial probability distribution, wherein a logistic regression model is trained to determine the probability for an individual detected MC to be a TP based on its detector output...
January 17, 2017: IEEE Transactions on Medical Imaging
https://www.readbyqxmd.com/read/28103549/cardiac-image-reconstruction-via-non-linear-motion-correction-based-on-partial-angle-reconstructed-images
#12
Seungeon Kim, Yongjin Chang, Jong Beom Ra
Even though the X-ray CT scan is considered suitable for fast imaging, motion-artifact-free cardiac imaging is still an important issue because the gantry rotation speed is not fast enough compared with the heart motion. To obtain a heart image with less motion artifacts, a motion estimation (ME) and motion compensation (MC) approach is usually adopted. In this paper, we propose a ME/MC algorithm that can estimate a non-linear heart motion model from a sinogram with a rotation angle of less than 360°. In this algorithm, we first assume the heart motion to be non-rigid but linear, and thereby estimate an initial 4D motion vector field (MVF) during a half rotation by using conjugate partial angle reconstructed images, as in our previous ME/MC algorithm...
January 17, 2017: IEEE Transactions on Medical Imaging
https://www.readbyqxmd.com/read/28103540/a-generative-approach-to-chinese-shanshui-painting
#13
Weili Shi
The Shan Shui in the World project recreated Manhattan, New York, in the style of traditional Chinese shanshui paintings by using a generative algorithm to transform its buildings into mountains. This project revisits the ideas implicit in Chinese literati paintings of shan shui: the relationship between urban life and people's yearning for nature and between social responsibility and spiritual purity. Shan Shui in the World was made possible by the growing ubiquitousness of data and the development of data visualization techniques, especially generative art...
January 2017: IEEE Computer Graphics and Applications
https://www.readbyqxmd.com/read/28103538/taking-flight
#14
Gary Singh
Dolores Kaufman often begins her pieces by transmuting scanned photos and objects into new digital images. She seeks to explore the mystery and symbolism embedded in the seemingly mundane ephemera with which we share our lives. Kaufman's Eye Sea will be included in the MoonArk, a six-inch-tall capsule designed by a team at Carnegie Mellon University that will be travelling to the moon in competition for the Google Lunar X Prize.
January 2017: IEEE Computer Graphics and Applications
https://www.readbyqxmd.com/read/28103528/topical-vaccination-with-super-stable-ready-to-use-nanovesicles
#15
Ayelen Tatiana Caimi, Federico Parra, Marcelo Alexander de Farias, Rodrigo Villares Portugal, Ana Paula Perez, Eder Lilia Romero, Maria Jose Morilla
Ultradeformable archaeosomes (UDA) are nanovesicles made of total polar archaeolipids (TPA) from the archaea Halorubrum tebenquichense, soybean phosphatidylcholine and sodium cholate (3:3:1w/w). Fresh dispersions of UDA including different type of antigens are acknowledged as efficient topical vaccination agents. UDA dispersions however, if manufactured for pharmaceutical use, have to maintain colloidal stability upon liposomicidal processes such as sterilization and lyophilization (SLRUDA), needed to extend shelf life during storage...
December 26, 2016: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28103521/sexually-dimorphic-deficits-of-prepulse-inhibition-in-patients-with-major-depressive-disorder-and-their-relationship-to-symptoms-a-large-single-ethnicity-study
#16
Junko Matsuo, Miho Ota, Shinsuke Hidese, Hiroaki Hori, Toshiya Teraishi, Ikki Ishida, Moeko Hiraishi, Hiroshi Kunugi
BACKGROUND: Sensorimotor gating deficits as measured by prepulse inhibition (PPI) of acoustic startle reflex have been repeatedly observed in patients with schizophrenia. However, studies investigating PPI in patients with major depressive disorder (MDD) are scarce, and this issue remains to be elucidated. METHODS: Subjects were 221 patients with MDD and 250 age-matched healthy comparison subjects. Depressive symptoms were assessed by the 21-item version of the Hamilton Depression Rating Scale (HAM-D21), and the scores were divided into six factors...
January 12, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28103514/pva-matches-human-liver-in-needle-tissue-interaction
#17
Tonke L de Jong, Loes H Pluymen, Dennis J van Gerwen, Gert-Jan Kleinrensink, Jenny Dankelman, John J van den Dobbelsteen
Medical phantoms can be used to study needle-tissue interaction and to train medical residents. The purpose of this research is to study the suitability of polyvinyl alcohol (PVA) as a liver tissue mimicking material in terms of needle-tissue interaction. Insertions into ex-vivo human livers were used for reference. Six PVA samples were created by varying the mass percentage of PVA to water (4m% and 7m%) and the number of freeze-thaw cycles (1, 2 and 3 cycles, 16hours of freezing at -19°C, 8hours of thawing)...
January 10, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28103512/protein-o-fucosyltransferase-1-promotes-trophoblast-cell-proliferation-through-activation-of-mapk-and-pi3k-akt-signaling-pathways
#18
Chang Liu, Xiaohua Liang, Jiao Wang, Qin Zheng, Yue Zhao, Muhammad Noman Khan, Shuai Liu, Qiu Yan
Protein O-fucosylation is an important glycosylation modification and plays an important role in embryonic development. Protein O-fucosyltransferase 1 (poFUT1) is an essential enzyme that catalyzes the synthesis of protein O-fucosylation. Our previous studies showed that poFUT1 promoted trophoblast cell migration and invasion at the fetal-maternal interface, but the role of poFUT1 in trophoblast cells proliferation remains unclear. Here, immunohistochemistry data showed that poFUT1 and PCNA levels were decreased in abortion patient's trophoblasts compared with women with normal pregnancies...
January 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28103508/the-mechanism-of-alopolysaccharide-protecting-ulceralive-colitis
#19
Hu Lin, Li Honglang, Li Weifeng, Chen Junmin, Yang Jiantao, Gu Junjing
The aim of this study is to explain the mechanism of alopolysaccharide protecting ulceralive colitis in cells and animal models. We divided this study into two parts: cell and animal research parts. In the cell research, HT-29 cells were divided into normal group, model group, aloe polysacchride group and positive drug group, the cell model was used by tumor necrosis factor- α (TNF-α) combine with LPS, detecting IL-6 concentration of difference groups by Elisa testing, Apoptosis of each group was detected by flow cytometry...
January 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28103499/incarcerated-incisional-hernia-of-the-sigmoid-colon-after-appendectomy-a-case-report
#20
Pyong Wha Choi
INTRODUCTION: Incisional hernia after appendectomy is rare, affecting 0.4% to 0.9% of cases. The small bowel and omentum are commonly herniated through the abdominal wall defect, but incisional hernia of the sigmoid colon is extremely rare. CASE PRESENTATION: A 78-year-old man presented with a right lower quadrant abdominal wall mass on the previous McBurney incision site. He had a history of appendectomy for appendicitis 40 years ago. Computed tomography (CT) showed the sigmoid colon herniated thorough the abdominal wall defect...
January 5, 2017: International Journal of Surgery Case Reports
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