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Coagulation cascade

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https://www.readbyqxmd.com/read/27902465/gene-and-microrna-modulation-upon-trabectedin-treatment-in-a-human-intrahepatic-cholangiocarcinoma-paired-patient-derived-xenograft-and-cell-line
#1
Caterina Peraldo Neia, Giuliana Cavalloni, Giovanna Chiorino, Paola Ostano, Massimo Aglietta, Francesco Leone
Intrahepatic cholangiocarcinoma (ICC) is an aggressive and lethal malignancy with limited therapeutic options. Trabectedin has a high antitumor activity in preclinical models of biliary tract carcinoma (BTC), being a promising alternative treatment. Here, we studied the effect of trabectedin at transcriptomic level on an ICC patient derived xenograft (PDX) and on the derived cell line, MT-CHC01. Further, putative targets of trabectedin were explored in the in vitro model. In vitro, trabectedin inhibited genes involved in protein modification, neurogenesis, migration, and motility; it induced the expression of genes involved in keratinization, tissues development, and apoptotic processes...
November 24, 2016: Oncotarget
https://www.readbyqxmd.com/read/27892526/comprehensive-gene-expression-meta-analysis-and-integrated-bioinformatic-approaches-reveal-shared-signatures-between-thrombosis-and-myeloproliferative-disorders
#2
Prabhash Kumar Jha, Aatira Vijay, Anita Sahu, Mohammad Zahid Ashraf
Thrombosis is a leading cause of morbidity and mortality in patients with myeloproliferative disorders (MPDs), particularly polycythemia vera (PV) and essential thrombocythemia (ET). Despite the attempts to establish a link between them, the shared biological mechanisms are yet to be characterized. An integrated gene expression meta-analysis of five independent publicly available microarray data of the three diseases was conducted to identify shared gene expression signatures and overlapping biological processes...
November 28, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27888761/tissue-thrombin-is-associated-with-the-pathogenesis-of-dilated-cardiomyopathy
#3
Keiichi Ito, Kenichi Hongo, Taro Date, Masahiro Ikegami, Hiroshi Hano, Mamiko Owada, Satoshi Morimoto, Yusuke Kashiwagi, Daisuke Katoh, Takuya Yoshino, Akira Yoshii, Haruka Kimura, Tomohisa Nagoshi, Ichige Kajimura, Yoichiro Kusakari, Toru Akaike, Susumu Minamisawa, Kazuo Ogawa, Kosuke Minai, Takayuki Ogawa, Makoto Kawai, Junji Yajima, Seiichiro Matsuo, Teiichi Yamane, Ikuo Taniguchi, Sachio Morimoto, Michihiro Yoshimura
BACKGROUND: Thrombin is a serine protease known to be the final product of the coagulation cascade. However, thrombin plays other physiological roles in processes such as gastric contractions and vessel wound healing, and a state of coagulability is increased in patients with dilated cardiomyopathy (DCM). In this study, we investigate the role of thrombin in the pathogenesis of DCM. The purpose of this study is to clarify the role of thrombin in the pathogenesis of DCM and investigate the possibility of treatment against DCM by thrombin inhibition...
November 9, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27886817/antithrombotic-therapy-to-reduce-ischemic-events-in-acute-coronary-syndromes-patients-undergoing-percutaneous-coronary-intervention
#4
REVIEW
Freek W A Verheugt
Antithrombotic therapy is essential in the prevention of periprocedural death and myocardial infarction during and after percutaneous coronary intervention. In the pathogenesis of acute coronary syndromes (ACS), both platelets and the coagulation cascade play an important role. Therefore, periprocedural antithrombotic therapy is even more important in ACS than in elective PCI. The most used agents are aspirin, platelet P2Y12 blockers, platelet glycoprotein IIb/IIIa blockers, and parenteral anticoagulants. The P2Y12 blockers must be continued at least 12 months...
January 2017: Interventional cardiology clinics
https://www.readbyqxmd.com/read/27883327/the-role-of-serum-coagulation-factors-in-the-differential-diagnosis-of-patients-with-pneumonia-and-parapneumonic-effusion
#5
Sanja Petrusevska Marinkovic, Irena Kondova Topuzovska, Zvonko Milenkovic, Biserka Kaeva
The aim of this study was to identify the participations of the serum coagulations and fibrinolysis factors that contribute to the differential diagnosis of the patients with community-acquired pneumonia (CAP) without effusion, uncomplicated parapneumonic effusion (UCPPE) and complicated parapneumonic effusion (CPPE). The coagulations system is fundamental for the maintenance of homeostasis, and contributes to the inflammatory process responsible for CAP and the parapneumonic effusion. The factors of coagulations and fibrinolysis participate in the cellular proliferation and migration as in the synthesis of the inflammatory mediators...
November 1, 2016: Prilozi (Makedonska Akademija Na Naukite i Umetnostite. Oddelenie za Medicinski Nauki)
https://www.readbyqxmd.com/read/27876232/hypercoagulation-and-complement-connected-players-in-tumor-development-and-metastases
#6
REVIEW
Silvia Guglietta, Maria Rescigno
Hypercoagulation is a common feature of several tumors to the extent that individuals with coagulation defects often present with occult visceral cancers. Recent evidence has shown that hypercoagulation is not just a mere secondary effect due to the presence of the tumor, rather it actively contributes to tumor development and dissemination. Among the numerous mechanisms that can contribute to cancer-associated hypercoagulation, the ones involving immune-mediated processes are gaining increasing attention. In particular, complement cascade and hypercoagulation are one inducing the other in a vicious circle that involves neutrophil extracellular traps (NETs) formation...
November 18, 2016: Seminars in Immunology
https://www.readbyqxmd.com/read/27848184/the-initiation-and-effects-of-plasma-contact-activation-an-overview
#7
Lisha Lin, Mingyi Wu, Jinhua Zhao
The plasma contact system sits atop the intrinsic coagulation cascade and plasma kallikrein-kinin pathway, and in vivo its activation contributes, respectively, to coagulation and inflammation mainly via two downstream pathways. This system has been widely investigated, its activation mechanisms by negatively charged surfaces and the interactions within its components, factor XII, prekallikrein and high molecular weight kininogen are well understood at the biochemical level. However, as most of the activators that have been discovered by in vitro experiments are exogenous, the physiological activators and roles of the contact system have remained unclear and controversial...
November 15, 2016: International Journal of Hematology
https://www.readbyqxmd.com/read/27843478/serum-protein-kng1-apoc3-and-pon1-as-potential-biomarkers-for-yin-deficiency-heat-syndrome
#8
Changming Liu, Liangen Mao, Zepeng Ping, Tingting Jiang, Chong Wang, Zhongliang Chen, Zhongjie Li, Jicheng Li
Yin-deficiency-heat (YDH) syndrome is a concept in Traditional Chinese Medicine (TCM) for describing subhealth status. However, there are few efficient diagnostic methods available for confirming YDH syndrome. To explore the novel method for diagnosing YDH syndrome, we applied iTRAQ to observe the serum protein profiles in YDH syndrome rats and confirmed protein levels by ELISA. A total of 92 differentially expressed proteins (63 upregulated proteins and 29 downregulated proteins), which were mainly involved in complement and coagulation cascades and glucose metabolism pathway, were identified by the proteomic experiments...
2016: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/27827323/sequence-variation-at-klk-and-wfdc-clusters-and-its-association-to-semen-hyperviscosity-and-other-male-infertility-phenotypes
#9
Patrícia Isabel Marques, Filipa Fonseca, Ana Sofia Carvalho, Diana A Puente, Isabel Damião, Vasco Almeida, Nuno Barros, Alberto Barros, Filipa Carvalho, Mikel Azkargorta, Felix Elortza, Hugo Osório, Rune Matthiesen, Victor Quesada, Susana Seixas
STUDY QUESTION: Are kallikreins (KLKs), the whey-acidic-protein four-disulfide core domain (WFDCs) and their neighbors, semenogelins (SEMGs), known to play a role in the cascade of semen coagulation and liquefaction, associated with male infertility? SUMMARY ANSWER: Several KLK and SEMG variants are overrepresented among hyperviscosity, asthenozoospermia and oligozoospermia, supporting an effect of abnormal semen liquefaction on the loss of semen quality and in lowering male reproductive fitness...
November 7, 2016: Human Reproduction
https://www.readbyqxmd.com/read/27824278/modulation-of-porcine-intestinal-epitheliocytes-immunetranscriptome-response-by-lactobacillus-jensenii-tl2937
#10
H Kobayashi, L Albarracin, N Sato, P Kanmani, A K M H Kober, W Ikeda-Ohtsubo, Y Suda, T Nochi, H Aso, S Makino, H Kano, S Ohkawara, T Saito, J Villena, H Kitazawa
In order to evaluate probiotic strains applicable for the beneficial immunomodulation of the porcine gut (immunobiotics), we previously developed a porcine intestinal epitheliocyte cell line (PIE cells). Here, transcriptomic studies using PIE cells were performed considering that this information would be valuable for understanding the mechanisms involved in the protective activity of the immunobiotic strain Lactobacillus jensenii TL2937 against intestinal inflammatory damage in pigs. In addition, those studies would provide criteria for selecting biomarkers for the screening of new immunobiotic strains...
November 8, 2016: Beneficial Microbes
https://www.readbyqxmd.com/read/27824218/coagulopathy-in-sepsis-a-new-look-at-an-old-problem
#11
Małgorzata Lipinska-Gediga
Sepsis is a life-threatening condition characterized by a systemic response to microbial infection. Despite considerable progress in intensive care medicine, the incidence of sepsis and the number of sepsis-related deaths are increasing world-wide. There is a complex relationship between the coagulation, immune and inflammatory systems in sepsis. Activation of the coagulation cascade in sepsis is a result of a pathogen invasion and is a part of a immuno-inflammatory host response. In sepsis, the close cooperation of the immune and coagulation systems through cross signalling results in immunothrombosis...
November 8, 2016: Anaesthesiology Intensive Therapy
https://www.readbyqxmd.com/read/27822142/non-enzymatic-upregulation-of-tissue-factor-expression-by-gamma-glutamyl-transferase-in-human-peripheral-blood-mononuclear-cells
#12
Valentina Scalise, Cristina Balia, Silvana Cianchetti, Tommaso Neri, Vittoria Carnicelli, Riccardo Zucchi, Maria Franzini, Alessandro Corti, Aldo Paolicchi, Alessandro Celi, Roberto Pedrinelli
BACKGROUND: Besides maintaining intracellular glutathione stores, gamma-glutamyltransferase(GGT) generates reactive oxygen species and activates NFkB, a redox-sensitive transcription factor key in the induction of Tissue Factor (TF) gene expression, the principal initiator of the clotting cascade. Thus, GGT might be involved in TF-mediated coagulation processes, an assumption untested insofar. METHODS: Experiments were run with either equine, enzymatically active GGT or human recombinant (hr) GGT, a wheat germ-derived protein enzymatically inert because of missing post-translational glycosylation...
2016: Thrombosis Journal
https://www.readbyqxmd.com/read/27820939/protease-activated-receptor-1-enhances-poly-i-c-induction-of-the-antiviral-response-in-macrophages-and-mice
#13
Silvio Antoniak, Kohei Tatsumi, Michael Bode, Swetha Vanja, Julie C Williams, Nigel Mackman
The coagulation cascade is activated during viral infections as part of the host defense system. Coagulation proteases activate cells by cleavage of protease-activated receptors (PARs). Recently, we reported that the activation of PAR-1 enhanced interferon (IFN)β and CXCL10 expression in cardiac fibroblasts and in the hearts of mice infected with Coxsackievirus B3. In this study, we used the double-stranded RNA mimetic polyinosinic:polycytidylic acid (poly I:C) to induce an antiviral response in macrophages and mice...
November 8, 2016: Journal of Innate Immunity
https://www.readbyqxmd.com/read/27818307/hemocompatibility-studies-on-a-degradable-polar-hydrophobic-ionic-polyurethane-d-phi
#14
Kathryne S Brockman, Jayachandran N Kizhakkedathu, J Paul Santerre
Biomaterial blood compatibility is a complex process that involves four key pathways, including the coagulation cascade, the complement system, platelets, and leukocytes. While many studies have addressed the initial contact of blood with homopolymeric (e.g. Teflon) or simple copolymeric (e.g. Dacron) biomaterials, relatively less attention has been given to investigating blood coagulation with respect to complex copolymeric systems containing well defined and diverse function. The current study sought to assess the hemocompatibility of a complex polyurethane (PU) containing a unique combination of polar, hydrophobic, and ionic domains (D-PHI)...
November 3, 2016: Acta Biomaterialia
https://www.readbyqxmd.com/read/27816537/serine-proteinases-from-bothrops-snake-venom-activates-pi3k-akt-mediated-angiogenesis
#15
Shreesha K Bhat, Manjunath B Joshi, Anwar Ullah, Rehana Masood, Setlur G Biligiri, Raghuvir K Arni, Kapaettu Satyamoorthy
The discovery of rapid acting and powerful angiogenic proteins are of significant interest in the treatment of various human disorders associated with insufficient angiogenesis such as ischemia, menorrhagia and delayed wound healing. Snake venoms consist of a mixture of bioactive proteins and polypeptides and are rich sources of pharmacologically important molecules. Serine proteinases are one of the abundant proteins present in Bothrops snake venoms and possess multiple biological functions including the regulation of the blood coagulation cascade...
December 15, 2016: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/27814594/cardiac-allograft-vasculopathy-microvascular-arteriolar-capillaries-capioles-and-survival
#16
Carlos A Labarrere, Beate R Jaeger, Ghassan S Kassab
Cardiac allograft vasculopathy (CAV) is a serious complication of heart transplantation in adults and children. Risk factors include human leukocyte antigen mismatches, number and duration of rejection episodes, type of immunosuppression, antibody-mediated rejection, hypertension, hyperlipidemia, obesity, smoking, diabetes, cytomegalovirus infection, mode of donor brain death, donor age and ischemia/reperfusion injury. Endothelial injury and dysfunction in CAV are characterized by changes in adhesion molecules and up-regulation of major histocompatibility class II antigens followed by endothelial activation of complement C4d...
January 1, 2017: Frontiers in Bioscience (Elite Edition)
https://www.readbyqxmd.com/read/27804204/assessing-the-contact-activation-of-coagulation-during-hemodialysis-with-three-different-polysulfone-filters-a-prospective-randomized-cross-over-trial
#17
Igor Salvadè, Rosaria Del Giorno, Donato Gaetano, Luca Gabutti
Introduction During hemodialysis (HD) the interaction of the blood with the dialyzer triggers both an inflammatory reaction and an activation of the coagulation cascade. An accepted parameter to quantify the extent of coagulation activation during HD is not available. This study aims to evaluate its amplitude, comparing dialyzers made of different polysulfone polymers, by measuring D-dimers in the filter-rinsing fluids (Frf) and to test whether Frf D-dimers are suitable candidate markers to assess contact coagulation activation during HD...
November 1, 2016: Hemodialysis International
https://www.readbyqxmd.com/read/27788199/photoacoustic-imaging-of-cancer-treatment-response-early-detection-of-therapeutic-effect-from-thermosensitive-liposomes
#18
Jonathan P May, Eno Hysi, Lauren A Wirtzfeld, Elijus Undzys, Shyh-Dar Li, Michael C Kolios
Imaging methods capable of indicating the potential for success of an individualized treatment course, during or immediately following the treatment, could improve therapeutic outcomes. Temperature Sensitive Liposomes (TSLs) provide an effective way to deliver chemotherapeutics to a localized tumoral area heated to mild-hyperthermia (HT). The high drug levels reached in the tumor vasculature lead to increased tumor regression via the cascade of events during and immediately following treatment. For a TSL carrying doxorubicin (DOX) these include the rapid and intense exposure of endothelial cells to high drug concentrations, hemorrhage, blood coagulation and vascular shutdown...
2016: PloS One
https://www.readbyqxmd.com/read/27782319/dangerous-liaisons-complement-coagulation-and-kallikrein-kinin-cross-talk-act-as-a-linchpin-in-the-events-leading-to-thromboinflammation
#19
REVIEW
Kristina N Ekdahl, Yuji Teramura, Osama A Hamad, Sana Asif, Claudia Duehrkop, Karin Fromell, Elisabet Gustafson, Jaan Hong, Huda Kozarcanin, Peetra U Magnusson, Markus Huber-Lang, Peter Garred, Bo Nilsson
Innate immunity is fundamental to our defense against microorganisms. Physiologically, the intravascular innate immune system acts as a purging system that identifies and removes foreign substances leading to thromboinflammatory responses, tissue remodeling, and repair. It is also a key contributor to the adverse effects observed in many diseases and therapies involving biomaterials and therapeutic cells/organs. The intravascular innate immune system consists of the cascade systems of the blood (the complement, contact, coagulation, and fibrinolytic systems), the blood cells (polymorphonuclear cells, monocytes, platelets), and the endothelial cell lining of the vessels...
November 2016: Immunological Reviews
https://www.readbyqxmd.com/read/27782318/the-emerging-roles-of-mannose-binding-lectin-associated-serine-proteases-masps-in-the-lectin-pathway-of-complement-and-beyond
#20
REVIEW
József Dobó, Gábor Pál, László Cervenak, Péter Gál
Mannose-binding lectin (MBL)-associated serine proteases (MASPs) are the enzymatic constituents of the lectin pathway of the complement system. They are complexed with large pattern recognition molecules (PRMs) such as MBL, other collectins, and ficolins. The main function of two of the three MASPs has crystallized lately: MASP-1 autoactivates first, then it activates MASP-2, and finally both participate in the formation of the C4b2a convertase. In addition to this, both enzymes are involved in several other processes which are subject to intense research nowadays...
November 2016: Immunological Reviews
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