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https://www.readbyqxmd.com/read/29467494/alternative-transcription-of-a-shorter-non-anti-angiogenic-thrombospondin-2-variant-in-cancer-associated-blood-vessels
#1
Filip Roudnicky, Sun Young Yoon, Susanna Poghosyan, Simon Schwager, Cedric Poyet, Giorgia Vella, Samia B Bachmann, Sinem Karaman, Jay W Shin, Vivianne I Otto, Michael Detmar
Thrombospondin-2 (TSP2) is an anti-angiogenic matricellular protein that inhibits tumor growth and angiogenesis. Tumor-associated blood vascular endothelial cells (BECs) were isolated from human invasive bladder cancers and from matched normal bladder tissue by immuno-laser capture microdissection. Exon expression profiling analyses revealed a particularly high expression of a short TSP2 transcript containing only the last 9 (3') exons of the full-length TSP2 transcript. Using 5' and 3' RACE (rapid amplification of cDNA ends) and Sanger sequencing, we confirmed the existence of the shorter transcript of TSP2 (sTSP2) and determined its sequence which completely lacked the anti-angiogenic thrombospondin type 1 repeats domain...
February 22, 2018: Oncogene
https://www.readbyqxmd.com/read/29451204/conundrums-and-confusions-regarding-how-polyethylene-glycol-fusion-produces-excellent-behavioral-recovery-after-peripheral-nerve-injuries
#2
REVIEW
George D Bittner, Dale R Sengelaub, Cameron L Ghergherehchi
Current Neuroscience dogma holds that transections or ablations of a segment of peripheral nerves produce: (1) Immediate loss of axonal continuity, sensory signaling, and motor control; (2) Wallerian rapid (1-3 days) degeneration of severed distal axons, muscle atrophy, and poor behavioral recovery after many months (if ever, after ablations) by slowly-regenerating (1 mm/d), proximal-stump outgrowths that must specifically reinnervate denervated targets; (3) Poor acceptance of microsutured nerve allografts, even if tissue-matched and immune-suppressed...
January 2018: Neural Regeneration Research
https://www.readbyqxmd.com/read/29448958/antigenic-and-functional-profiles-of-a-lawsonia-intracellularis-protein-that-shows-a-flagellin-like-trait-and-its-immuno-stimulatory-assessment
#3
Gayeon Won, John Hwa Lee
The obligate intracellular Lawsonia intracellularis (LI), the etiological agent of proliferative enteropathy (PE), is an economically important disease in the swine industry. Due to extreme difficulty of in vitro culture of the pathogen, molecular characterization of protein components of LI that are targets of the immune system, is difficult; thus, the scientific evidence to drive the development of preventive measures is lacking. In this work, we investigated the antigenic and functional characteristics of a putative flagellar-associated protein, LI0570, using in silico computational approaches for epitope prediction and an in vitro protein-based molecular assay...
February 15, 2018: Veterinary Research
https://www.readbyqxmd.com/read/29433542/smurf1-facilitates-estrogen-receptor-%C3%A9-signaling-in-breast-cancer-cells
#4
Huijie Yang, Na Yu, Juntao Xu, Xiaosheng Ding, Wei Deng, Guojin Wu, Xin Li, Yingxiang Hou, Zhenhua Liu, Yan Zhao, Min Xue, Sifan Yu, Beibei Wang, Xiumin Li, Gang Niu, Hui Wang, Jian Zhu, Ting Zhuang
BACKGROUND: Estrogen receptor alpha (ER alpha) is expressed in the majority of breast cancers and promotes estrogen-dependent cancer progression. ER alpha positive breast cancer can be well controlled by ER alpha modulators, such as tamoxifen. However, tamoxifen resistance is commonly observed by altered ER alpha signaling. Thus, further understanding of the molecular mechanisms, which regulates ER alpha signaling, is important to improve breast cancer therapy. METHODS: SMURF1 and ER alpha protein expression levels were measured by western blot, while the ER alpha target genes were measured by real-time PCR...
February 12, 2018: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29430272/surface-enhanced-raman-scattering-sers-based-biomicrofluidics-systems-for-trace-protein-analysis
#5
REVIEW
Chun-Wei Lee, Fan-Gang Tseng
In recent years, Surface Enhanced Raman Scattering (SERS) has been widely applied to many different areas, including chemical analysis, biomolecule detection, bioagent diagnostics, DNA sequence, and environmental monitor, due to its capabilities of unlabeled fingerprint identification, high sensitivity, and rapid detection. In biomicrofluidic systems, it is also very powerful to integrate SERS based devices with specified micro-fluid flow fields to further focusing/enhancing/multiplexing SERS signals through molecule registration, concentration/accumulation, and allocation...
January 2018: Biomicrofluidics
https://www.readbyqxmd.com/read/29423100/proteomic-profiling-of-antibody-inducing-immunogens-in-tumor-tissue-identifies-psma1-lap3-anxa3-and-maspin-as-colon-cancer-markers
#6
Qian Yang, Michael H Roehrl, Julia Y Wang
We hypothesized that cancer tissue immunogens - antigens capable of inducing specific antibody production in patients - are promising targets for development of precision diagnostics and humoral immunotherapies. We developed an innovative immuno-proteomic strategy and identified new immunogenic markers of colon cancer. Proteins from cancers and matched normal tissues were separated by 2D gel electrophoresis and blotted with serum antibodies from the same patients. Antibody-reactive proteins were sequenced by mass spectrometry and validated by Western blotting and immunohistochemistry...
January 9, 2018: Oncotarget
https://www.readbyqxmd.com/read/29410628/reticuloendotheliosis-virus-inhibits-the-immune-response-acting-on-lymphocytes-from-peripheral-blood-of-chicken
#7
Yulin Bi, Lu Xu, Lingling Qiu, Shasha Wang, Xiangping Liu, Yani Zhang, Yang Chen, Yang Zhang, Qi Xu, Guobin Chang, Guohong Chen
Chicken reticuloendotheliosis virus (REV) causes the atrophy of immune organs and immuno-suppression. The pathogenic mechanisms of REV are poorly understood. The aim of this study was to use RNA sequencing to analyse the effect of REV on immunity and cell proliferation in chicken lymphocytes from peripheral blood in vitro. Overall, 2977 differentially expressed genes (DEGs) were examined from cells between infected with REV or no; 56 DEGs related to cell proliferation and 130 DEGs related to immunity were identified...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29392733/the-role-of-gut-microbiome-and-associated-metabolome-in-the-regulation-of-neuroinflammation-in-multiple-sclerosis-and-its-implications-in-attenuating-chronic-inflammation-in-other-inflammatory-and-autoimmune-disorders
#8
REVIEW
Nicholas Dopkins, Prakash S Nagarkatti, Mitzi Nagarkatti
The importance of the gut microbiome in the regulation of non-infectious diseases has earned recently an unprecedented interest from biomedical researchers. Widespread use of next generation sequencing techniques have prepared a foundation for further research by correlating the presence of specific bacterial species with an onset or severity of a disease state, heralded paradigm-shifting results. This review covers the mechanisms through which a dysbiotic gut microbiota contributes to the pathological symptoms in an autoimmune neurodegenerative disorder, Multiple Sclerosis (MS)...
February 2, 2018: Immunology
https://www.readbyqxmd.com/read/29361649/peptide-selection-for-the-quantification-of-p-iii-np-in-human-serum-by-mass-spectrometry
#9
Danielle Moncrieffe, Mark C Parkin, David Cowan
RATIONALE: Procollagen III amino-terminal propeptide (P-III-NP) is currently monitored in human doping control as a biomarker for growth hormone administration and also in clinical diagnostics using immunoassays. Drawbacks to this approach have been highlighted, and research is ongoing to develop a mass spectrometric method to complement these methods. However, a lack of traceable reference material, the presence of post translational modifications (PTMs), and small blood concentration implicate the development of targeted analytical methods for P-III-NP quantification...
January 23, 2018: Rapid Communications in Mass Spectrometry: RCM
https://www.readbyqxmd.com/read/29345757/whole-genome-sequencing-analysis-for-cancer-genomics-and-precision-medicine
#10
REVIEW
Hidewaki Nakagawa, Masashi Fujita
Explosive advances of next-generation sequencer (NGS) and computational analyses have been exploring somatic protein-altered mutations in most cancer types and these coding mutation data are intensively accumulated. However, there is limited information on somatic mutations in non-coding regions including introns, regulatory elements, and non-coding RNAs, structural variants and pathogen in cancer genomes remain widely unexplored. Whole genome sequencing (WGS) approaches can comprehensively explore all types of genomic alterations in cancer and help us to better understand the whole landscape of driver mutations and mutational signature in cancer genomes and elucidate functional or clinical implications of these unexplored genomic regions and mutational signature...
January 18, 2018: Cancer Science
https://www.readbyqxmd.com/read/29333681/myotropic-activity-and-immuno-localization-of-selected-neuropeptides-of-the-burying-beetle-nicrophorus-vespilloides-coleoptera-silphidae
#11
Arkadiusz Urbański, Jan Lubawy, Paweł Marciniak, Grzegorz Rosiński
Burying beetles (Nicrophorus sp.) are necrophagous insects with developed parental care. Genome of Nicrophorus vespilloides has been recently sequenced, which makes them interesting model organism in behavioural ecology. However, we know very little about their physiology, including the functioning of their neuro-endocrine system. In this study, one of the physiological activities of proctolin, myosuppressin (Nicve-MS), myoinhibitory peptide (Trica-MIP-5) and the short neuropeptide F (Nicve-sNPF) in N. vespilloides have been investigated...
January 15, 2018: Insect Science
https://www.readbyqxmd.com/read/29327117/graphical-classification-of-dna-sequences-of-hla-alleles-by-deep-learning
#12
Jun Miyake, Yuhei Kaneshita, Satoshi Asatani, Seiichi Tagawa, Hirohiko Niioka, Takashi Hirano
Alleles of human leukocyte antigen (HLA)-A DNAs are classified and expressed graphically by using artificial intelligence "Deep Learning (Stacked autoencoder)". Nucleotide sequence data corresponding to the length of 822 bp, collected from the Immuno Polymorphism Database, were compressed to 2-dimensional representation and were plotted. Profiles of the two-dimensional plots indicate that the alleles can be classified as clusters are formed. The two-dimensional plot of HLA-A DNAs gives a clear outlook for characterizing the various alleles...
January 11, 2018: Human Cell
https://www.readbyqxmd.com/read/29325889/early-cell-response-of-osteogenic-cells-on-differently-modified-implant-surfaces-sequences-of-cell-proliferation-adherence-and-differentiation
#13
Sebastian Blatt, Andreas Max Pabst, Eik Schiegnitz, Marco Hosang, Thomas Ziebart, Christian Walter, Bilal Al-Nawas, Marcus Oliver Klein
OBJECTIVES: Osseointegration of dental implants is a crucial prerequisite for long-term survival. Therefore, surface modifications are needed to interact with the extracellular environment and to trigger osteogenic cell responses such as cell proliferation, adherence, and differentiation. The purpose of this study was to investigate different surface modifications in vitro over 2 weeks. MATERIALS AND METHODS: Commercially available cells from a human osteogenic cell line (HHOB-c) were cultivated on the following surfaces: titanium with smooth surfaces (polished titanium (P), machined titanium (M), polyetheretherketone (Peek)), titanium with rough and hydrophilised surfaces (acid etched titanium (A), sandblasted acid etched titanium (SA and SA2), sandblasted acid etched hydrophilised (SAH), titanium plasma painted titanium (TPS)), titanium with calcium phosphate-containing surfaces (titanium plasma painted calcium phosphate modified titanium (TPS-CaP), sandblasted calcium phosphate modified titanium (S-CaP), sandblasted acid etched calcium phosphate modified titanium (SA-CaP)), and zirconium-oxide (yttrium amplified zirconium (Z), yttrium amplified Ca2+ delivering zirconium (Z-Ca))...
December 26, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29312586/glucose-impairs-tamoxifen-responsiveness-modulating-connective-tissue-growth-factor-in-breast-cancer-cells
#14
Maria Rosaria Ambrosio, Vittoria D'Esposito, Valerio Costa, Domenico Liguoro, Francesca Collina, Monica Cantile, Nella Prevete, Carmela Passaro, Giusy Mosca, Michelino De Laurentiis, Maurizio Di Bonito, Gerardo Botti, Renato Franco, Francesco Beguinot, Alfredo Ciccodicola, Pietro Formisano
Type 2 diabetes and obesity are negative prognostic factors in patients with breast cancer (BC). We found that sensitivity to tamoxifen was reduced by 2-fold by 25 mM glucose (High Glucose; HG) compared to 5.5 mM glucose (Low Glucose; LG) in MCF7 BC cells. Shifting from HG to LG ameliorated MCF7 cell responsiveness to tamoxifen. RNA-Sequencing of MCF7 BC cells revealed that cell cycle-related genes were mainly affected by glucose. Connective Tissue Growth Factor (CTGF) was identified as a glucose-induced modulator of cell sensitivity to tamoxifen...
December 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29311380/hitting-the-target-how-t-cells-detect-and-eliminate-tumors
#15
REVIEW
Anthony E Zamora, Jeremy Chase Crawford, Paul G Thomas
The successes of antitumor immuno-based therapies and the application of next-generation sequencing to mutation profiling have produced insights into the specific targets of antitumor T cells. Mutated proteins have tremendous potential as targets for interventions using autologous T cells or engineered cell therapies and may serve as important correlates of efficacy for immunoregulatory interventions including immune checkpoint blockade. As mutated self, tumors present an exceptional case for host immunity, which has primarily evolved in response to foreign pathogens...
January 15, 2018: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29286146/immune-response-associated-gene-profiling-in-japanese-melanoma-patients-using-multi-omics-analysis
#16
Yasuto Akiyama, Yoshio Kiyohara, Shusuke Yoshikawa, Masaki Otsuka, Ryota Kondou, Chizu Nonomura, Haruo Miyata, Akira Iizuka, Tadashi Ashizawa, Keiichi Ohshima, Kenichi Urakami, Takeshi Nagashima, Masatoshi Kusuhara, Takashi Sugino, Ken Yamaguchi
Project High-tech Omics-based Patient Evaluation (HOPE), including comprehensive whole-exome sequencing (WES) and gene expression profiling (GEP) using freshly resected tumor specimens, has been in progress since its implementation in 2014. Among a total of 1,685 cancer patients, 13 melanoma patients were registered in the HOPE Project and were characterized using multi-omics analyses. Among the 13 melanoma patients, 4 were deceased, and 9 were alive. The mean overall survival (OS) and relapse‑free survival (RFS) times of the melanoma patients were 16...
December 21, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29237492/pentosan-polysulfate-binds-to-stro-1-mesenchymal-progenitor-cells-is-internalized-and-modifies-gene-expression-a-novel-approach-of-pre-programing-stem-cells-for-therapeutic-application-requiring-their-chondrogenesis
#17
Jiehua Wu, Susan Shimmon, Sharon Paton, Christopher Daly, Tony Goldschlager, Stan Gronthos, Andrew C W Zannettino, Peter Ghosh
BACKGROUND: The pharmaceutical agent pentosan polysulfate (PPS) is known to induce proliferation and chondrogenesis of mesenchymal progenitor cells (MPCs) in vitro and in vivo. However, the mechanism(s) of action of PPS in mediating these effects remains unresolved. In the present report we address this issue by investigating the binding and uptake of PPS by MPCs and monitoring gene expression and proteoglycan biosynthesis before and after the cells had been exposed to limited concentrations of PPS and then re-established in culture in the absence of the drug (MPC priming)...
December 13, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29217401/influence-of-correlation-between-hla-g-polymorphism-and-interleukin-6-il6-gene-expression-on-the-risk-of-schizophrenia
#18
Venkataram Shivakumar, Monojit Debnath, Deepthi Venugopal, Ashwini Rajasekaran, Sunil V Kalmady, Manjula Subbanna, Janardhanan C Narayanaswamy, Anekal C Amaresha, Ganesan Venkatasubramanian
Converging evidence suggests important implications of immuno-inflammatory pathway in the risk and progression of schizophrenia. Prenatal infection resulting in maternal immune activation and developmental neuroinflammation reportedly increases the risk of schizophrenia in the offspring by generating pro-inflammatory cytokines including IL-6. However, it is not known how prenatal infection can induce immuno-inflammatory responses despite the presence of immuno-inhibitory Human Leukocyte Antigen-G (HLA-G) molecules...
December 4, 2017: Cytokine
https://www.readbyqxmd.com/read/29215036/proteomics-and-antivenomics-of-echis-carinatus-carinatus-venom-correlation-with-pharmacological-properties-and-pathophysiology-of-envenomation
#19
Aparup Patra, Bhargab Kalita, Abhishek Chanda, Ashis K Mukherjee
The proteome composition of Echis carinatus carinatus venom (ECV) from India was studied for the first time by tandem mass spectrometry analysis. A total of 90, 47, and 22 distinct enzymatic and non-enzymatic proteins belonging to 15, 10, and 6 snake venom protein families were identified in ECV by searching the ESI-LC-MS/MS data against non-redundant protein databases of Viperidae (taxid 8689), Echis (taxid 8699) and Echis carinatus (taxid 40353), respectively. However, analysis of MS/MS data against the Transcriptome Shotgun Assembly sequences (87 entries) of conger E...
December 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29209124/composition-and-immuno-stimulatory-properties-of-extracellular-dna-from-mouse-gut-flora
#20
Ce Qi, Ya Li, Ren-Qiang Yu, Sheng-Li Zhou, Xing-Guo Wang, Guo-Wei Le, Qing-Zhe Jin, Hang Xiao, Jin Sun
AIM: To demonstrate that specific bacteria might release bacterial extracellular DNA (eDNA) to exert immunomodulatory functions in the mouse small intestine. METHODS: Extracellular DNA was extracted using phosphate buffered saline with 0.5 mmol/L dithiothreitol combined with two phenol extractions. TOTO-1 iodide, a cell-impermeant and high-affinity nucleic acid stain, was used to confirm the existence of eDNA in the mucus layers of the small intestine and colon in healthy Male C57BL/6 mice...
November 28, 2017: World Journal of Gastroenterology: WJG
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