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https://www.readbyqxmd.com/read/28092667/oncogenic-braf-fusions-in-mucosal-melanomas-activate-the-mapk-pathway-and-are-sensitive-to-mek-pi3k-inhibition-or-mek-cdk4-6-inhibition
#1
H S Kim, M Jung, H N Kang, H Kim, C-W Park, S-M Kim, S J Shin, S H Kim, S G Kim, E K Kim, M R Yun, Z Zheng, K Y Chung, J Greenbowe, S M Ali, T-M Kim, B C Cho
Despite remarkable progress in cutaneous melanoma genomic profiling, the mutational landscape of primary mucosal melanomas (PMM) remains unclear. Forty-six PMMs underwent targeted exome sequencing of 111 cancer-associated genes. Seventy-six somatic nonsynonymous mutations in 42 genes were observed, and recurrent mutations were noted on eight genes, including TP53 (13%), NRAS (13%), SNX31 (9%), NF1 (9%), KIT (7%) and APC (7%). Mitogen-activated protein kinase (MAPK; 37%), cell cycle (20%) and phosphatidylinositol 3-kinase (PI3K)-mTOR (15%) pathways were frequently mutated...
January 16, 2017: Oncogene
https://www.readbyqxmd.com/read/28092604/replication-kinetics-of-neuropathogenic-and-non-neuropathogenic-equine-herpesvirus-type-1-ehv-1-strains-in-primary-murine-neurons-and-ed-cell-line
#2
J Cymerys, A Słońska, J Brzezicka, A Tucholska, A Chmielewska, J Rola, P Malik, M W Bańbura
Equine herpesvirus type 1 (EHV-1) causes respiratory infections, abortion and neurological disorders in horses. Molecular epidemiology studies have demonstrated that a single-point mutation in DNA polymerase gene, resulting in an amino acid variation (N752/D752), is significantly associated with the neuropathogenic potential of EHV-1 strains. The aim of the study was to elucidate if there are any differences between neuropathogenic (EHV-1 26) and non-neuropathogenic (Jan-E and Rac-H) EHV-1 strains in their ability to infect neuronal cells...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28092546/geometry-guided-multi-scale-depth-map-fusion-via-graph-optimization
#3
Pengfei Wu, Yiguang Liu, Mao Ye, Zhenyu Xu, Yunan Zheng
In depth discontinuous and untextured regions, depth maps created by multiple view stereopsis are with heavy noises, but existing depth map fusion methods cannot handle it explicitly. To tackle the problem, two novel strategies are proposed: 1) a more discriminative fusion method, which is based on geometry consistency, measuring the consistency and stability of surface geometry computed on both partial and global surfaces, different from traditional methods only using visibility consistency; 2) a graph optimization method which fuses pyramids of depth maps as mutual complementary information is available in different scales, and differs from existing multiscale fusion methods...
January 10, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28092537/detail-enhanced-multi-scale-exposure-fusion
#4
Zhengguo Li, Zhe Wei, Changyun Wen, Jinghong Zheng
Multi-scale exposure fusion is an effective image enhancement technique for a high dynamic range (HDR) scene. In this paper, a new multi-scale exposure fusion algorithm is proposed to merge differently exposed low dynamic range (LDR) images by using the weighted guided image filter (WGIF) to smooth the Gaussian pyramids of weight maps for all the LDR images. Details in the brightest and darkest regions of the HDR scene are preserved better by the proposed algorithm without relative brightness change in the fused image...
January 16, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28092501/parallel-molecular-distributed-detection-with-brownian-motion
#5
Uri Rogers, Min-Sung Koh
This paper explores the in vivo distributed detection of an undesired biological agent's (BAs) biomarkers by a group of biological sized nanomachines in an aqueous medium under drift. The term distributed, indicates that the system information relative to the BAs presence is dispersed across the collection of nanomachines, where each nanomachine possesses limited communication, computation, and movement capabilities. Using Brownian motion with drift, a probabilistic detection and optimal data fusion framework, coined molecular distributed detection, will be introduced that combines theory from both molecular communication and distributed detection...
December 2016: IEEE Transactions on Nanobioscience
https://www.readbyqxmd.com/read/28092340/decompression-surgery-alone-versus-decompression-plus-fusion-in-symptomatic-lumbar-spinal-stenosis-a-swiss-prospective-multi-center-cohort-study-with-3-years-of-follow-up
#6
Nils H Ulrich, Jakob M Burgstaller, Giuseppe Pichierri, Maria M Wertli, Mazda Farshad, François Porchet, Johann Steurer, Ulrike Held
STUDY DESIGN: Retrospective analysis of a prospective, multicenter cohort study. OBJECTIVE: To estimate the added effect of surgical fusion as compared to decompression surgery alone in symptomatic lumbar spinal stenosis patients with spondylolisthesis. SUMMARY OF BACKGROUND DATA: The optimal surgical management of lumbar spinal stenosis patients with spondylolisthesis remains controversial. METHODS: Patients of the LSOS with confirmed DLSS and spondylolisthesis were enrolled in this study...
January 13, 2017: Spine
https://www.readbyqxmd.com/read/28092005/investigation-of-diethylstilbestrol-residue-level-in-human-urine-samples-by-a-specific-monoclonal-antibody
#7
Dai Zhang, Lifang Zhou, Yajing Lei, Zhan Zhou, Jie Zhou, Shuqing Chen
Diethylstilbestrol (DES) is used as a kind of animal feed additive and affects people's health through the food chain. The purpose of this study is to detect the residue level of DES in 576 human urine samples directly. DES-BSA was used to immunize Balb/c mice. The monoclonal antibody was produced by hybridoma that was screened through cell fusion techniques. Finally, we developed the indirect competitive ELISA method to analyze 576 human urine samples from Zhejiang Province, China. The IC50 of this method was 3...
January 14, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28091715/highly-sensitive-glycosylamine-labelling-of-o-glycans-using-non-reductive-%C3%AE-elimination
#8
Kenichiro Furuki, Toshimasa Toyo'oka, Kazutoshi Ban
When developing biopharmaceuticals, glycans are the most important posttranslational protein modifications that must be addressed because they affect the between-protein interactions that maintain homeostasis. The glycan profile may be defined as a critical quality attribute of a biopharmaceutical. Comprehensive analysis of protein glycosylation must overcome challenges such as the release, labelling, separation and detection of O-glycans. In contrast, N-glycans can be readily released non-reductively from peptide backbones using an enzyme such as peptide N-glycosidase F...
January 14, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28091426/mri-based-detailed-evaluation-of-the-anatomy-of-the-human-coccyx-among-turkish-adults
#9
H Tetiker, M I Koşar, N Çullu, U Canbek, I Otağ, Y Taştemur
AIM: The human coccyx varies considerably in shape and size. The objective of this study was to investigate the morphology and morphometry of the coccyx on pelvic magnetic resonance imaging in asymptomatic individuals among Turkish adults. MATERIALS AND METHODS: This study was conducted retrospectively on the pelvic magnetic resonance images of 456 adult patients without a history of trauma in the coccyx region. The coccygeal vertebrae count, number of bone segments, and intercoccygeal and sacrococcygeal joint fusions were determined from the sagittal plane images...
February 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28090686/effectively-enhancing-cytotoxic-and-apoptotic-effects-of-alpha-momorcharin-by-integrating-a-heparin-binding-peptide
#10
Meng-Jie Tan, Xue-Wei Cao, Peng-Fei Li, Yi-Zhou Zhai, Yu Zhou, Ye-Jun Liu, Jian Zhao, Fu-Jun Wang
Alpha-momorcharin (α-MMC), a type I ribosome inactivating protein, has attracted a great deal attention because of its antitumor activity. However, the cytotoxicity of α-MMC is limited due to insufficient cellular internalization in cancer cells. To enhance the cytotoxicity of α-MMC, a heparin-binding domain derived from HB-EGF (named HBP) was used as a cell-penetrating peptide and fused to the C-terminus of α-MMC. This novel α-MMC-HBP fusion protein was expressed and purified with a Ni(2+) -resin. The N-glycosidase activity and DNase activity assay indicated that the introduction of HBP did not interfere with the intrinsic bioactivities of α-MMC...
January 16, 2017: Biotechnology and Applied Biochemistry
https://www.readbyqxmd.com/read/28090276/overexpression-of-recombinant-human-teriparatide-rhpth-1-34-in-escherichia-coli-an-innovative-gene-fusion-approach
#11
Nahid Bakhtiari, Zahra Amini Bayat, Sepideh Sagharidouz, Mohsen Vaez
BACKGROUND: Parathyroid hormone is an 84-amino acid peptide secreted by the parathyroid glands. Its physiological role is maintenance of normal serum calcium level and bone remodeling. Biological activity of this hormone is related to N-terminal 1-34 amino acids. The recombinant form of hormone (1-34) has been approved for treatment of osteoporosis from 2002. In this study, a novel fusion partner has been developed for preparation of high yield recombinant 1-34 amino acids of hPTH. METHODS: Novel nucleotide cassette designed encoding a chimeric fusion protein comprising of a fusion partner consisting of a His-tag in N-terminal, 53 amino acids belong to Escherichia coli (E...
January 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/28090266/reconstruction-of-a-composite-comparative-map-composed-of-ten-legume-genomes
#12
Chaeyoung Lee, Dongwoon Yu, Hong-Kyu Choi, Ryan W Kim
The Fabaceae (legume family) is the third largest and the second of agricultural importance among flowering plant groups. In this study, we report the reconstruction of a composite comparative map composed of ten legume genomes, including seven species from the galegoid clade (Medicago truncatula, Medicago sativa, Lens culinaris, Pisum sativum, Lotus japonicus, Cicer arietinum, Vicia faba) and three species from the phaseoloid clade (Vigna radiata, Phaseolus vulgaris, Glycine max). To accomplish this comparison, a total of 209 cross-species gene-derived markers were employed...
2017: Genes & Genomics
https://www.readbyqxmd.com/read/28089882/a-highly-efficient-modified-human-serum-albumin-signal-peptide-to-secrete-proteins-in-cells-derived-from-different-mammalian-species
#13
Carolina Attallah, Marina Etcheverrigaray, Ricardo Kratje, Marcos Oggero
Signal peptides (SPs) are key elements in the production of recombinant proteins; however, little information is available concerning different SP in mammalian cells other than CHO. In order to study the efficiency of different SPs to direct the traffic along the secretory pathway of the green fluorescence protein (GFP) and a scFv-Fc fusion protein; CHO-K1, HEK293 and NS0 cell lines were transfected in a transient and stable way. SP of human azurocidin (AZ), modified human albumin (mSA), modified Cricetulus griseus Ig kappa chain V III region MOPC 63 like (mIgκ C) and modified human Ig kappa chain V III region VG (mIgκ H) were evaluated...
January 10, 2017: Protein Expression and Purification
https://www.readbyqxmd.com/read/28089881/two-step-chromatographic-purification-of-glutathione-s-transferase-tagged-human-papillomavirus-type-16-e6-protein-and-its-application-for-serology
#14
Mei Ling Xu, Seung Cheol Kim, Hyoung Jin Kim, Woong Ju, Yun Hwan Kim, Hong-Jin Kim
Human papillomavirus (HPV) E6 protein is an oncoprotein with a pivotal role in cervical carcinogenesis. Expression and purification of HPV E6 from Escherichia coli (E. coli) has been difficult because of its strong hydrophobicity even when expressed as a fusion protein with glutathione S-transferase (GST). There has been no protocol suggested for purifying GST-tagged HPV E6 protein with high purity so far. Herein, we provide efficient protocol for purifying GST-HPV16 E6 protein for the first time. In the current study, the GST-tagged protein was expressed in E...
January 9, 2017: Protein Expression and Purification
https://www.readbyqxmd.com/read/28089870/large-dense-core-vesicle-exocytosis-from-mouse-dorsal-root-ganglion-neurons-is-regulated-by-neuropeptide-y
#15
Anneka Bost, Ali H Shaib, Yvonne Schwarz, Barbara A Niemeyer, Ute Becherer
Peptidergic dorsal root ganglion (DRG) neurons transmit sensory and nociceptive information from the periphery to the central nervous system. Their synaptic activity is profoundly affected by neuromodulatory peptides stored and released from large dense-core vesicles (LDCVs). However, the mechanism of peptide secretion from DRG neurons is poorly understood. Using total internal reflection fluorescence microscopy (TIRFM), we visualized individual LDCVs loaded with fluorescent neuropeptide Y (NPY) and analyzed their stimulation-dependent release...
January 12, 2017: Neuroscience
https://www.readbyqxmd.com/read/28089837/direct-midline-posterior-corpectomy-and-fusion-of-a-lumbar-burst-fracture-with-retrospondyloptosis-a-case-report
#16
Arthur Carminucci, Rachid Assina, R Nick Hernandez, Ira M Goldstein
BACKGROUND: Traumatic burst fractures of the lumbar spine can result in significant neurological injury and mechanical instability. The ideal surgical approach for the treatment of unstable lumbar spine burst fractures remains debatable. CASE DESCRIPTION: A 37 year-old male presented with severe neurological injury including loss of motor function below the level of the iliopsoas muscles bilaterally, saddle anesthesia, and absent rectal tone, following a fall from 60 ft...
January 9, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28089744/predictors-of-surgical-success-in-patients-with-intermittent-exotropia
#17
Di Zou, Clémentine Casafina, Alex Whiteman, Saurabh Jain
BACKGROUND: In patients with moderate- to large-angle exotropic deviations, surgical correction remains the definitive treatment. The purpose of this study was to identify preoperative factors that correlate with surgical success and to produce a binomial model that predicts success based on preoperative factors. METHODS: We performed a retrospective review of patients with intermittent exotropia who underwent uniocular recession-resection surgery. Success was defined as ocular deviation ≤10(Δ) exotropia and ≤5(Δ) esotropia at distance at last follow-up (at least 3 months' postoperatively)...
January 9, 2017: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28089666/mini-open-oblique-lumbar-interbody-fusion-olif-approach-for-multi-level-discectomy-and-fusion-involving-l5-s1-preliminary-experience
#18
Fahed Zairi, Tarek P Sunna, Harrison J Westwick, Alexander G Weil, Zhi Wang, Ghassan Boubez, Daniel Shedid
STUDY DESIGN: Technical description and single institution retrospective case series OBJECTIVE: Evaluate technical feasibility and evaluate complications of mini open retroperitoneal oblique lumbar interbody fusion (OLIF) at the L5-S1 level. SUMMARY OF BACKGROUND: The mini open retroperitoneal oblique lumbar interbody fusion (OLIF) approach was first described in 2012 as a surgical approach to achieve spinal fusion while limiting invasiveness of the exposure to the anterior lumbar spine...
January 12, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28089515/navigation-through-the-plasma-membrane-molecular-landscape-shapes-random-organelle-movement
#19
Alison R Dun, Gabriel J Lord, Rhodri S Wilson, Deirdre M Kavanagh, Katarzyna I Cialowicz, Shuzo Sugita, Seungmee Park, Lei Yang, Annya M Smyth, Andreas Papadopulos, Colin Rickman, Rory R Duncan
Eukaryotic plasma membrane organization theory has long been controversial, in part due to a dearth of suitably high-resolution techniques to probe molecular architecture in situ and integrate information from diverse data streams [1]. Notably, clustered patterning of membrane proteins is a commonly conserved feature across diverse protein families (reviewed in [2]), including the SNAREs [3], SM proteins [4, 5], ion channels [6, 7], and receptors (e.g., [8]). Much effort has gone into analyzing the behavior of secretory organelles [9-13], and understanding the relationship between the membrane and proximal organelles [4, 5, 12, 14] is an essential goal for cell biology as broad concepts or rules may be established...
January 9, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28089512/paleozoic-nymphal-wing-pads-support-dual-model-of-insect-wing-origins
#20
Jakub Prokop, Martina Pecharová, André Nel, Thomas Hörnschemeyer, Ewa Krzemińska, Wiesław Krzemiński, Michael S Engel
The appearance of wings in insects, early in their evolution [1], has been one of the more critical innovations contributing to their extraordinary diversity. Despite the conspicuousness and importance of wings, the origin of these structures has been difficult to resolve and represented one of the "abominable mysteries" in evolutionary biology [2]. More than a century of debate has boiled the matter down to two competing alternatives-one of wings representing an extension of the thoracic notum, the other stating that they are appendicular derivations from the lateral body wall...
January 9, 2017: Current Biology: CB
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