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Coagulation pathways

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https://www.readbyqxmd.com/read/28454465/microarray-based-analysis-of-gene-regulation-by-mesenchymal-stem-cells-in-breast-cancer
#1
Ming Zhang, Chang E Gao, Wen Hui Li, Yi Yang, Li Chang, Jian Dong, Yan Xin Ren, De Dian Chen
Breast cancer is one of the most common malignant tumors with a high case-fatality rate among women. The present study aimed to investigate the effects of mesenchymal stem cells (MSCs) on breast cancer by exploring the potential underlying molecular mechanisms. The expression profile of GSE43306, which refers to MDA-MB-231 cells with or without a 1:1 ratio of MSCs, was downloaded from Gene Expression Omnibus database for differentially expressed gene (DEG) screening. The Database for Annotation, Visualization and Integrated Discovery was used for gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analysis for DEGs...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28444588/unveiling-differentially-expressed-genes-upon-regulation-of-transcription-factors-in-sepsis
#2
Junli Zhang, Yuelei Cheng, Minmin Duan, Nannan Qi, Jian Liu
In this study, we integrated the gene expression data of sepsis to reveal more precise genome-wide expression signature to shed light on the pathological mechanism of sepsis. Differentially expressed genes via integrating five microarray datasets from the Gene Expression Omnibus database were obtained. The gene function and involved pathways of differentially expressed genes (DEGs) were detected by GeneCodis3. Transcription factors (TFs) targeting top 20 dysregulated DEGs (including up- and downregulated genes) were found based on the TRANSFAC...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28441034/thrombus-formation-at-high-shear-rate
#3
Lauren D C Casa, David N Ku
The final common pathway in myocardial infarction and ischemic stroke is occlusion of blood flow from a thrombus forming under high shear rates in arteries. A high-shear thrombus forms rapidly and is distinct from the slow formation of coagulation that occurs in stagnant blood. Thrombosis at high shear rates depends primarily on the long protein von Willebrand factor (vWF) and platelets, with hemodynamics playing an important role in each stage of thrombus formation, including vWF binding, platelet adhesion, platelet activation, and rapid thrombus growth...
April 24, 2017: Annual Review of Biomedical Engineering
https://www.readbyqxmd.com/read/28440204/apixaban-metabolism-pharmacologic-properties-and-drug-interaction
#4
Peter Kubisz, Lucia Stanciakova, Miroslava Dobrotova, Matej Samos, Marian Mokan, Jan Stasko
BACKGROUND: Apixaban is an oral, potent, highly selective, reversible and direct inhibitor of activated coagulation factor X, that is the end point of the intrinsic and extrinsic coagulation pathway. Additionally, apixaban has the capacity to indirectly inhibit thrombin-induced platelet aggregation. This new oral anticoagulant represents an immediate-release form of peroral drug with quick dissolution, linear pharmacokinetics, good bioavailability and rapid onset and offset of action...
April 24, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/28436027/production-and-characterization-of-active-recombinant-human-factor-ii-with-consistent-sialylation
#5
Jeong H Lee, Jason Reier, Kelley M Heffner, Christopher Barton, David Spencer, Albert E Schmelzer, Raghavan Venkat
Coagulation factor II (prothrombin; FII) is the pre-proteolyzed precursor to thrombin in the coagulation cascade. It has ten sites of gamma-carboxylation, which are required for its bioactivity, and is N-glycosylated at three of four putative sites. Production of recombinant human FII (rhFII) using a platform fed-batch process designed for monoclonal antibody production resulted in low levels of gamma-carboxylation and sialylation. There have not been any prior reports of successful process development and clinical manufacture of rhFII with optimal, consistent gamma-carboxylation and sialylation...
April 24, 2017: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/28432618/the-identification-of-key-genes-and-pathways-in-hepatocellular-carcinoma-by-bioinformatics-analysis-of-high-throughput-data
#6
Chaoyang Zhang, Li Peng, Yaqin Zhang, Zhaoyang Liu, Wenling Li, Shilian Chen, Guancheng Li
Liver cancer is a serious threat to public health and has fairly complicated pathogenesis. Therefore, the identification of key genes and pathways is of much importance for clarifying molecular mechanism of hepatocellular carcinoma (HCC) initiation and progression. HCC-associated gene expression dataset was downloaded from Gene Expression Omnibus database. Statistical software R was used for significance analysis of differentially expressed genes (DEGs) between liver cancer samples and normal samples. Gene Ontology (GO) term enrichment analysis and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis, based on R software, were applied for the identification of pathways in which DEGs significantly enriched...
June 2017: Medical Oncology
https://www.readbyqxmd.com/read/28427942/inhibitory-effects-of-ethyl-pyruvate-on-platelet-aggregation-and-phosphatidylserine-exposure
#7
Wenjin Li, Xinyu Yang, Minyuan Peng, Can Li, Guangfu Mu, Fangping Chen
Ethyl pyruvate (EP) is a stable lipophilic pyruvate derivative. Studies demonstrated that EP shows potent anti-oxidation, anti-inflammatory and anti-coagulant effects. Inflammation and coagulation are closely interacted with platelet activation. However, it is unclear whether EP has anti-platelet effects. Therefore, we investigated the anti-platelet effect of EP in this study in vitro. We found that EP inhibited agonists induced platelets aggregation, ATP release and adhesion to collagen. Flow cytometric analysis revealed that EP inhibited agonist induced platelets PAC-1 binding, as well as P-selectin and CD40L expression...
April 18, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28427159/genome-wide-analysis-of-long-noncoding-rna-and-mrna-co-expression-profile-in-intrahepatic-cholangiocarcinoma-tissue-by-rna-sequencing
#8
Wenhui Yang, Yuan Li, Xia Song, Jun Xu, Jun Xie
Long noncoding RNAs (lncRNAs), which are pervasively transcribed in the genome, are emerging in molecular biology as crucial regulators of cancer. RNA-seq data were downloaded from GEO of NCBI and further analyzed to identify novel targets in intrahepatic cholangiocarcinoma (iCCA).We investigated differences in lncRNA and mRNA profiles between 7 pairs of iCCA and adjacent normal tissues. 230 lncRNAs were differentially expressed more than four-fold change in iCCA tissues. Among these, 97 were upregulated and 133 downregulated relatively to normal tissues...
February 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28424419/integrated-analysis-of-genes-associated-with-poor-prognosis-of-patients-with-colorectal-cancer-liver-metastasis
#9
Zhenyuan Qian, Guobing Zhang, Guangyuan Song, Ji Shi, Lijie Gong, Yiping Mou, Yong Han
Colorectal cancer (CRC) is one of the most common malignances in the gut. Liver is the most common metastasis site of CRC. This study focuses on the primary CRC and its liver metastasis, aiming to discover several liver metastasis related genes and provide therapeutic candidates. We compared gene expression patterns among the groups of normal colorectal mucosa, primary tumor and the liver metastasis using a CRC gene expression dataset. 84 genes were found to be upregulated in both primary tumor and liver metastases...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28420729/factor-v-anticoagulant-cofactor-activity-that-targets-the-early-phase-of-coagulation
#10
Salvatore Santamaria, Natalia Reglińska-Matveyev, Magdalena Gierula, Rodney M Camire, James T B Crawley, David A Lane, Josefin Ahnström
Tissue factor pathway inhibitor (TFPI), the main inhibitor of initiation of coagulation, exerts an important anticoagulant role through the factor Xa (FXa)-dependent inhibition of tissue factor/factor VIIa (FVIIa). Protein S is a TFPI cofactor, enhancing the efficiency of FXa inhibition. TFPI can also inhibit prothrombinase assembly by directly interacting with coagulation factor V (FV) which has been activated by FXa. Since full-length TFPI associates with FV in plasma, we hypothesized that FV may influence TFPI inhibitory function...
April 18, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28418908/plasma-protein-profiling-in-patients-undergoing-coronary-artery-bypass-grafting-surgery-and-clinical-significance
#11
Zhi-Peng Guo, Hai-Tao Hou, Rui Jing, Zhen-Guo Song, Xiao-Cheng Liu, Guo-Wei He
This study was designed to identify the protein profiling in patients with triple vessel coronary artery disease (CAD) undergoing CABG, in order to detect CAD-related differential proteins in these patients. CABG patients with triple vessel disease with/without left main stenosis (n =160) were compared to normal coronary angiographic subjects (n =160). Plasma samples of 20 males and 20 females in each group were analyzed with iTRAQ technique. ELISA test was used to test the chosen proteins from iTRAQ results in plasma samples from a new cohort of the CABG group (n=120, male/femal=61/59) and control (n =120, male/female=60/60)...
March 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28415592/identification-and-functional-analysis-of-differentially-expressed-genes-in-poorly-differentiated-hepatocellular-carcinoma-using-rna-seq
#12
Yi Huang, Jianbo Pan, Dunyan Chen, Jiaying Zheng, Funan Qiu, Feng Li, Yanan Wu, Wenbing Wu, Xiaoli Huang, Jiang Qian
Poorly differentiated (PD) hepatocellular carcinoma (HCC) has a worse prognosis compared to moderately differentiated (MD) and well differentiated (WD) HCC. We aimed to identify differentially expressed genes (DEGs) to explore the mechanism of PD HCC. Transcriptome sequencing was performed on tumor and adjacent non-tumorous tissues of PD, MD and WD HCC patients (3 for each group). DEGs were thus identified and functionally analyzed. Further RT-PCR was performed to validate DEGs specific for PD HCC in 47 pairs of samples (15 for PD, 18 for MD, 14 for WD)...
March 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28412252/replicative-senescence-promotes-prothrombotic-responses-in-endothelial-cells-role-of-nadph-oxidase-and-cyclooxygenase-derived-oxidative-stress
#13
Grazielle Caroline da Silva, Malak Abbas, Sonia Khemais-Benkhiat, Melanie Burban, Thais Porto Ribeiro, Florence Toti, Noureddine Idris-Khodja, Steyner F Côrtes, Valérie B Schini-Kerth
Endothelial senescence has been suggested to promote endothelial dysfunction in age-related vascular disorders. This study evaluated the prothrombotic properties of senescent endothelial cells (ECs) and the underlying mechanism. Serial passaging from passage (P)1 to P4 (replicative senescence) of porcine coronary artery ECs, or treatment of P1 ECs with the endothelial nitric oxide synthase (eNOS) inhibitor L-NAME (premature senescence) induced acquisition of markers of senescence including increased senescence-associated-β-galactosidase (SA-β-gal) activity and p53, p21, p16 expression...
April 12, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28409836/platelet-derived-microparticles-regulates-thrombin-generation-via-phophatidylserine-in-abdominal-sepsis
#14
Yongzhi Wang, Su Zhang, Lingtao Luo, Eva Norström, Oscar Ö Braun, Matthias Mörgelin, Henrik Thorlacius
Sepsis is associated with dysfunctional coagulation. Recent data suggest that platelets play a role in sepsis by promoting neutrophil accumulation. Herein, we show that cecal ligation and puncture (CLP) triggered systemic inflammation, which is characterized by formation of IL-6 and CXC chemokines as well as neutrophil accumulation in the lung. Platelet depletion decreased neutrophil accumulation, IL-6 and CXC chemokines formation in septic lungs. Depletion of platelets increased peak thrombin formation and total thrombin generation (TG) in plasma from septic animals...
April 14, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28394474/proteomic-identification-of-rainbow-trout-blood-plasma-proteins-and-their-relationship-to-seminal-plasma-proteins
#15
Joanna Nynca, G J Arnold, T Fröhlich, A Ciereszko
The characterization of fish blood proteomes is important for comparative studies of seminal and blood proteins as well as for the analysis of fish immune mechanisms and pathways. In this study LC-MS/MS and 2D DIGE were applied to compare rainbow trout seminal (SP) and blood plasma (BP) proteomes. The 54 differentially abundant proteins identified in SP are involved in a variety of signalling pathways, including protein ubiquitination, liver X receptor/retinoid X receptor (LXR/RXR) and farnesoid X receptor (FXR)/RXR activation, cell cycle and acute phase signalling...
April 10, 2017: Proteomics
https://www.readbyqxmd.com/read/28393401/the-potentiating-effect-of-htfpi-in-the-presence-of-hcd47-reduces-the-cytotoxicity-of-human-macrophages
#16
Sung Han Jung, Jeong Ho Hwang, Sang Eun Kim, Kim Young Kyu, Hyo Chang Park, Hoon Taek Lee
BACKGROUND: In pig-to-human xenotransplantation, hyperacute rejection of pig organs could be overcome by the production of α1,3-galactosyltransferase knockout pigs. However, macrophage-mediated acute rejection is another obstacle that needs to be overcome. Among the various candidate genes involved in acute rejection, CD47 inhibits monocyte/macrophage-mediated phagocytosis by identifying the CD47 signal regulatory protein alpha (SIRP-α) as self/non-self. Tissue factor pathway inhibitor (TFPI) is involved in the regulation of the coagulation pathway and is able to bind to another ligand of CD47, thrombospondin-1 (TSP-1)...
April 10, 2017: Xenotransplantation
https://www.readbyqxmd.com/read/28391321/host-genotype-and-microbiota-contribute-asymmetrically-to-transcriptional-variation-in-the-threespine-stickleback-gut
#17
Clayton M Small, Kathryn Milligan-Myhre, Susan Bassham, Karen Guillemin, William A Cresko
Recent studies of interactions between hosts and their resident microbes have revealed important ecological and evolutionary consequences that emerge from these complex interspecies relationships, including diseases that occur when the interactions go awry. Given the preponderance of these interactions, we hypothesized that effects of the microbiota on gene expression in the developing gut-an important aspect of host biology-would be pervasive, and that these effects would be both comparable in magnitude to and contingent on effects of the host genetic background...
March 1, 2017: Genome Biology and Evolution
https://www.readbyqxmd.com/read/28381574/defining-a-novel-role-for-the-coxsackie-and-adenovirus-receptor-in-human-adenovirus-serotype-5-transduction-in-vitro-in-the-presence-of-mouse-serum
#18
Estrella Lopez-Gordo, Andor Doszpoly, Margaret R Duffy, Lynda Coughlan, Angela C Bradshaw, Katie M White, Laura Denby, Stuart A Nicklin, Andrew H Baker
Human adenoviral serotype 5 (HAdV-5) vectors have predominantly hepatic tropism when delivered intravascularly, resulting in immune activation and toxicity. Coagulation FX binding to HAdV-5 mediates liver transduction and provides protection from virion neutralisation in mice. FX is dispensable for liver transduction in mice lacking IgM antibodies or complement, suggesting alternative transduction pathways exist. To identify novel factor(s) mediating HAdV-5 FX-independent entry, we investigated HAdV-5 transduction in vitro in the presence of serum from immunocompetent C57BL/6 or immunocompromised mice lacking IgM antibodies (Rag 2(-/-) and NSG)...
April 5, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28373442/relationship-between-circulating-tumor-cells-and-tissue-plasminogen-activator-in-patients-with-early-breast-cancer
#19
Branislav Bystricky, Silvia Jurisova, Marian Karaba, Gabriel Minarik, Juraj Benca, Tatiana Sedlácková, Lubomira Tothova, Barbora Vlkova, Zuzana Cierna, Pavol Janega, Denisa Manasova, Paulina Gronesova, Daniel Pindak, Jozef Mardiak, Peter Celec, Michal Mego
AIM: Cancer increases the risk of venous thromboembolism (VTE) and circulating tumor cells (CTCs) are associated with an increased risk of VTE and, thus, with increased D-dimers as a product of fibrinolysis. Tissue plasminogen activator (tPA) is one of the key enzymes in the fibrinolytic pathway. Its activity is crucial in maintaining the balance between blood coagulation and fibrinolysis. This study aimed to analyze the association between CTCs and tPA in patients with primary breast cancer before surgery...
April 2017: Anticancer Research
https://www.readbyqxmd.com/read/28372998/differential-induction-of-immunogenic-cell-death-and-interferon-expression-in-cancer-cells-by-structured-ssrnas
#20
Jaewoo Lee, Youngju Lee, Li Xu, Rebekah White, Bruce A Sullenger
Activation of the RNA-sensing pattern recognition receptor (PRR) in cancer cells leads to cell death and cytokine expression. This cancer cell death releases tumor antigens and damage-associated molecular patterns (DAMPs) that induce anti-tumor immunity. However, these cytokines and DAMPs also cause adverse inflammatory and thrombotic complications that can limit the overall therapeutic benefits of PRR-targeting anti-cancer therapies. To overcome this problem, we generated and evaluated two novel and distinct ssRNA molecules (immunogenic cell-killing RNA [ICR]2 and ICR4)...
March 31, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
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