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Urokinase

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https://www.readbyqxmd.com/read/28724378/erratum-to-significance-of-the-urokinase-type-plasminogen-activator-and-its-receptor-in-the-progression-of-focal-segmental-glomerulosclerosis-in-clinical-and-mouse-models
#1
Jin-Shuen Chen, Li-Chien Chang, Chung-Ze Wu, Tzu-Ling Tseng, Jui-An Lin, Yuh-Feng Lin, Chao-Wen Cheng
No abstract text is available yet for this article.
July 19, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28723623/daurinol-blocks-breast-and-lung-cancer-metastasis-and-development-by-inhibition-of-focal-adhesion-kinase-fak
#2
Jong K Woo, Hyun J Jung, Ji-Youn Park, Ju-Hee Kang, Byung I Lee, DongYun Shin, Chu W Nho, Soo-Young Cho, Je K Seong, Seung H Oh
FAK overexpression has been reported in diverse primary and metastatic tumor tissues, supporting its pro-tumorigenic and pro-metastatic roles. Therefore, we have developed a neo-treatment strategy using daurinol to effectively treat cancer metastasis. Daurinol blocked cancer cell migration and invasion in vitro and exhibited anti-metastatic activity in an experimental metastasis model of breast and lung cancer. Daurinol selectively inhibited phosphorylation of FAK at Tyr925, Tyr576/577, and Tyr397 sites in a dose- and time-dependent manner...
July 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28722327/transforming-growth-factor-beta-matrix-metalloproteinases-and-urokinase-type-plasminogen-activator-interaction-in-the-cancer-epithelial-to-mesenchymal-transition
#3
REVIEW
Juan F Santibanez, Hristina Obradović, Tamara Kukolj, Jelena Krstić
Transforming growth factor beta (TGF-β) is a pleiotropic factor that acts as a tumor suppressor in the early stages, while it exerts tumor promoting activities in advanced stages of cancer development. One of the hallmarks of cancer progression is the capacity of cancer cells to migrate and invade surrounding tissues with subsequent metastasis to different organs. Matrix metalloproteinases (MMPs) together with urokinase-type plasminogen activator (uPA) and its receptor (uPAR), whose main original function described is the proteolytic degradation of the extracellular matrix, play key cellular roles in the enhancement of cell malignancy during cancer progression...
July 19, 2017: Developmental Dynamics: An Official Publication of the American Association of Anatomists
https://www.readbyqxmd.com/read/28722103/decreased-levels-of-active-upa-and-klk8-assessed-by-111-in-mica-401-binding-correlate-with-the-seizure-burden-in-an-animal-model-of-temporal-lobe-epilepsy
#4
Stephan Missault, Lore Peeters, Halima Amhaoul, David Thomae, Annemie Van Eetveldt, Barbara Favier, Anagha Thakur, Jeroen Van Soom, Asla Pitkänen, Koen Augustyns, Jurgen Joossens, Steven Staelens, Stefanie Dedeurwaerdere
OBJECTIVE: Urokinase-type plasminogen activator (uPA) and kallikrein-related peptidase 8 (KLK8) are serine proteases that contribute to extracellular matrix (ECM) remodeling after brain injury. They can be labelled with the novel radiotracer [(111) In]MICA-401. As the first step in exploring the applicability of [(111) In]MICA-401 in tracing the mechanisms of postinjury ECM reorganization in vivo, we performed in vitro and ex vivo studies, assessing [(111) In]MICA-401 distribution in the brain in two animal models: kainic acid-induced status epilepticus (KASE) and controlled cortical impact (CCI)-induced traumatic brain injury (TBI)...
July 19, 2017: Epilepsia
https://www.readbyqxmd.com/read/28713641/higher-serum-alanine-transaminase-levels-in-male-urokinase-type-plasminogen-activator-transgenic-mice-are-associated-with-improved-engraftment-of-hepatocytes-but-not-liver-sinusoidal-endothelial-cells
#5
Marina E Fomin, Ashley I Beyer, Jean Publicover, Kai Lu, Sonia Bakkour, Graham Simmons, Marcus O Muench
The effects of sex on the degree of liver damage and human cell engraftment were investigated in immunodeficient urokinase-type plasminogen activator-transgenic (uPA-NOG) mice. Liver damage, measured by serum alanine transaminase (ALT) levels, was compared in male and female uPA-NOG mice of different ages. Male mice had significantly higher ALT levels than females with a median of 334 versus 158 U/L in transgenic homozygous mice, respectively. Mice were transplanted with human adult hepatocytes or fetal liver cells and analyzed for any correlation of engraftment of hepatocytes, liver sinusoidal endothelial cells (LSECs), and hematopoietic cells with the degree of liver damage...
2017: Cell Medicine
https://www.readbyqxmd.com/read/28712397/-stem-cell-factor-enhances-invasive-ability-of-bxpc-3-cells-via-hypoxia-inducible-factor-1%C3%AE-hif-1%C3%AE
#6
Min Zhang, Kang Guo, Qiong Li, Yunjian Wang, Ling Zhang, Tao He, Baishun Wan, Xiaoqian Wang
Objective To investigate the effect of stem cell factor (SCF)/c-KIT system on the invasion of BxPC-3 pancreatic cancer cells and the role of hypoxia-inducible factor 1 alpha (HIF-1α) in this effect. Methods BxPC-3 cells were cultured in normoxia and hypoxia. The cells cultured in normoxia were treated with SCF. Real-time quantitative PCR and Western blotting were used to investigate the expressions of HIF-1α mRNA and protein, respectively. Small interference RNA of HIF-1α (siHIF-1α) was designed and synthesized, and then transfected into BxPC-3 cells...
July 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28709490/serum-levels-of-soluble-urokinase-plasminogen-activator-receptor-supar-as-a-marker-of-tuberculosis-treatment-efficacy
#7
V Indumati, V Vijay, D Krishnaswamy, V Rajeshwari, A Ramesh, D Shantala, A Shilpa
BACKGROUND: Upon diagnosis, Pulmonary Tuberculosis patients are treated for TB for a period of 6-9 months. At present, there exists very little indication of the efficacy of the particular treatment. A few previous studies have shown that soluble urokinase plasminogen activator receptor (SuPAR) may be used as treatment efficacy marker. SuPAR is a cellular receptor for serine protease urokinase plasminogen activator (uPA). Bacterial endotoxins and cytokines of the innate immune system stimulate the secretion of uPA in monocytes & neutrophils...
July 2017: Indian Journal of Tuberculosis
https://www.readbyqxmd.com/read/28708523/timing-of-transcriptomic-and-proteomic-changes-in-the-bovine-placentome-after-parturition
#8
Anthony K McNeel, Jeff D Ondrak, Olivia L Amundson, Tara H Fountain, Elane C Wright, Katherine J Whitman, Carol G Chitko-McKown, Shuna A Jones, Chadwick C Chase, Robert A Cushman
Proper post-partum reproductive performance is important for reproductive efficiency in beef cows, and dystocia decreases post-partum fertility. Crossbred beef cows (n = 1676) were evaluated for lifetime performance based on degree of dystocia at presentation of the first calf. Cows that experienced moderate or severe dystocia produced fewer calves during their productive life (P < 0.01). The exact mechanism is unclear, but may be due to the contributions of dystocia to abnormal placental separation...
May 27, 2017: Theriogenology
https://www.readbyqxmd.com/read/28696518/statistical-profiling-of-one-promiscuous-protein-binding-site-illustrated-by-urokinase-catalytic-domain
#9
Natacha Cerisier, Leslie Regad, Dhoha Triki, Michel Petitjean, Delphine Flatters, Anne-Claude Camproux
While recent literature focuses on drug promiscuity, the characterization of promiscuous binding sites (ability to bind several ligands) remains to be explored. Here, we present a proteochemometric modeling approach to analyze diverse ligands and corresponding multiple binding sub-pockets associated with one promiscuous binding site to characterize protein-ligand recognition. We analyze both geometrical and physicochemical profile correspondences. This approach was applied to examine the well-studied druggable urokinase catalytic domain inhibitor binding site, which results in a large number of complex structures bound to various ligands...
July 11, 2017: Molecular Informatics
https://www.readbyqxmd.com/read/28693180/soluble-urokinase-type-plasminogen-activator-receptor-and-urokinase-type-plasminogen-activator-receptor-contribute-to-chemoresistance-in-leukemia
#10
Hong Guo, Lan-Xia Zhou, Haizhen Ma, Bei Liu, Juan Cheng, Yun-Yun Ma, Li Zhao
The soluble urokinase-type plasminogen activator receptor (suPAR) and the urokinase-type plasminogen activator receptor (uPAR) have been proposed as useful biomarkers of tumor progression. Recently, suPAR was associated with chemoresistance in lung cancer. However, its clinical significance in leukemia has not previously been investigated. The present study examined the plasma levels of suPAR and the expression of the uPAR on bone marrow (BM) cells in 86 patients with leukemia at diagnosis prior to chemotherapy and 26 normal subjects (control group)...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28691927/ubiquitination-of-tumor-suppressor-pml-regulates-prometastatic-and-immunosuppressive-tumor-microenvironment
#11
Ya-Ting Wang, Jocelyn Chen, Chou-Wei Chang, Jayu Jen, Tzu-Yu Huang, Chun-Ming Chen, Roger Shen, Suh-Yuen Liang, I-Cheng Cheng, Shuenn-Chen Yang, Wu-Wei Lai, Kuang-Hung Cheng, Tao-Shih Hsieh, Ming-Zong Lai, Hung-Chi Cheng, Yi-Ching Wang, Ruey-Hwa Chen
The tumor microenvironment plays an important role in tumor growth and metastasis. However, the mechanism by which tumor cells regulate the cell and non-cell constituents of surrounding stroma remains incompletely understood. Promyelocytic leukemia (PML) is a pleiotropic tumor suppressor, but its role in tumor microenvironment regulation is poorly characterized. PML is frequently downregulated in many cancer types, including lung cancer. Here, we identify a PML ubiquitination pathway that is mediated by WD repeat 4-containing cullin-RING ubiquitin ligase 4 (CRL4WDR4)...
July 10, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28690396/prognostic-impact-of-urokinase-plasminogen-activator-receptor-expression-in-pancreatic-cancer-malignant-versus-stromal-cells
#12
REVIEW
Susanna Wl de Geus, Victor M Baart, Martin C Boonstra, Peter Jk Kuppen, Hendrica Ajm Prevoo, Andrew P Mazar, Bert A Bonsing, Hans Morreau, Cornelis Jh van de Velde, Alexander L Vahrmeijer, Cornelis Fm Sier
The urokinase plasminogen activator receptor (uPAR) has been proposed as a potential prognostic factor for various malignancies. The aim of this study is to assess the prognostic value of uPAR expression in neoplastic and stromal cells of patients with pancreatic adenocarcinoma. Urokinase plasminogen activator receptor expression was determined by immunohistochemistry in 122 pancreatic ductal adenocarcinomas. Kaplan-Meier and Cox regression analyses were used to determine the association with survival. Respectively 66%, 82% and 62% of patients with pancreatic cancer expressed uPAR in neoplastic cells, stromal, and in both combined...
2017: Biomarker Insights
https://www.readbyqxmd.com/read/28689240/supar-and-chronic-kidney-disease-a-podocyte-story
#13
REVIEW
Martin Zeier, Jochen Reiser
The soluble urokinase-type plasminogen activator receptor (suPAR) is a circulating signaling molecule derived from immature myeloid cells. Elevated levels of suPAR have been linked to the pathogenesis of the kidney disease focal and segmental glomerulosclerosis. Here, suPAR acts on podocytes by activating αvβ3 integrins. Large observational studies showed that suPAR also predicts chronic kidney disease incidence and progression by predating the disease by several years prior to any other known marker of renal dysfunction...
July 8, 2017: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/28686711/co-ordinated-spatial-propagation-of-blood-plasma-clotting-and-fibrinolytic-fronts
#14
Ansar S Zhalyalov, Mikhail A Panteleev, Marina A Gracheva, Fazoil I Ataullakhanov, Alexey M Shibeko
Fibrinolysis is a cascade of proteolytic reactions occurring in blood and soft tissues, which functions to disintegrate fibrin clots when they are no more needed. In order to elucidate its regulation in space and time, fibrinolysis was investigated using an in vitro reaction-diffusion experimental model of blood clot formation and dissolution. Clotting was activated by a surface with immobilized tissue factor in a thin layer of recalcified blood plasma supplemented with tissue plasminogen activator (TPA), urokinase plasminogen activator or streptokinase...
2017: PloS One
https://www.readbyqxmd.com/read/28686706/plasminogen-tochigi-mice-exhibit-phenotypes-similar-to-wild-type-mice-under-experimental-thrombotic-conditions
#15
Yuko Tashima, Fumiaki Banno, Toshiyuki Kita, Yasuyuki Matsuda, Hiroji Yanamoto, Toshiyuki Miyata
Plasminogen (Plg) is a precursor of plasmin that degrades fibrin. A race-specific A620T mutation in Plg, also known as Plg-Tochigi, originally identified in a patient with recurrent venous thromboembolism, causes dysplasminogenemia with reduced plasmin activity. The Plg-A620T mutation is present in 3-4% of individuals in East Asian populations, and as many as 50,000 Japanese are estimated to be homozygous for the mutant 620T allele. In the present study, to understand the changes of thrombotic phenotypes in individuals with the mutant 620T allele, we generated knock-in mice carrying the homozygous Plg-A622T mutation (PlgT/T), an equivalent to the A620T mutation in human Plg...
2017: PloS One
https://www.readbyqxmd.com/read/28683586/vitronectin-regulates-the-fibrinolytic-system-during-the-repair-of-cerebral-cortex-in-stab-wounded-mice
#16
Kei Hashimoto, Natsumi Ikeda, Mari Nakashima, Hiroko Ikeshima-Kataoka, Yasunori Miyamoto
Vitronectin (VN), one of the serum proteins, is known to be involved in the regulation of blood coagulation, fibrinolysis, and cell migration. It has been proposed that the regulation of fibrinolysis by VN promotes the blood brain barrier (BBB) recovery from brain injuries such as traumatic injury and subarachnoid hemorrhage. However, the effects of VN on fibrinolysis in the injured brain remain unclear. Here, we examined the effects of VN on the fibrinolytic system in the stab-wounded cerebral cortex of VN-knockout (KO) mice...
July 6, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28683166/multi-biomarker-analysis-in-patients-with-acute-myocardial-infarction
#17
Christiana Schernthaner, Michael Lichtenauer, Bernhard Wernly, Vera Paar, Rudin Pistulli, Ilonka Rohm, Christian Jung, Hans-Reiner Figulla, Attila Yilmaz, Janne Cadamuro, Elisabeth Haschke-Becher, John Pernow, P Christian Schulze, Uta C Hoppe, Daniel Kretzschmar
BACKGROUND: Novel biomarkers representing different pathobiological pathways and their role in patients with acute myocardial infarction (AMI) were studied. METHODS: We retrospectively analyzed serum levels of soluble suppression of tumorigenicity (sST2), growth-differentiation factor-15 (GDF-15), soluble urokinase plasminogen activator receptor (suPAR), heart-type fatty acid-binding protein (H-FABP) and plasma fetuin A in blood of patients with AMI (STEMI, n=61; NSTEMI, n=57) compared to controls with excluded coronary artery disease (n=76)...
July 6, 2017: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28682730/the-influence-of-ages-environment-on-proliferation-apoptosis-homeostasis-and-endothelial-cell-differentiation-of-human-adipose-stem-cells
#18
Jia-Hong Gong, Jiao-Yun Dong, Ting Xie, Shu-Liang Lu
The aim of this study was to evaluate the changes of proliferation, apoptosis, homeostasis, and differentiation of human adipose-derived stem cells (hASCs) in the simulated diabetic microenvironment and discuss the potential of the mesenchymal stem cell in the treatment of chronic diabetic wound. We simulated diabetic microenvironment with glycation end products (AGEs) in vitro and studied the changes of hASCs in proliferation and apoptosis. We found that AGEs inhibited the proliferation and lead to hASCs apoptosis, and the endothelial cell directed differentiation was also inhibited...
June 2017: International Journal of Lower Extremity Wounds
https://www.readbyqxmd.com/read/28682465/a-comparative-study-of-clinical-intervention-and-interventional-photothermal-therapy-for-pancreatic-cancer
#19
Yanyan Hu, Chongwei Chi, Shunhao Wang, Lingxiong Wang, Ping Liang, Fangyi Liu, Wenting Shang, Weiwei Wang, Fengrong Zhang, Shanshan Li, Heyun Shen, Xiaoling Yu, Huiyu Liu, Jie Tian
Although nanoparticle-based photothermal therapy (PTT) has been intensively investigated recently, its comparative efficiency with any clinical cancer treatments has been rarely explored. Herein for the first time we report a systematic comparative study of clinical iodine-125 ((125) I) interstitial brachytherapy (IBT-125-I) and interventional PTT (IPTT) in an orthotopic xenograft model of human pancreatic cancer. IPTT, based on the nanoparticles composing of anti-urokinase plasminogen activator receptor (uPAR) antibody, polyethylene glycol (PEG), and indocyanine green (ICG) modified gold nanoshells (hereinafter uIGNs), is directly applied to local pancreatic tumor deep in the abdomen...
July 6, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28679779/molecular-effects-of-stromal-selective-targeting-by-upar-retargeted-oncolytic-virus-in-breast-cancer
#20
Yuqi Jing, Valery Chavez, Yuguang Ban, Nicolas Acquavella, Dorraya El-Ashry, Alexey Pronin, Xi Chen, Jaime R Merchan
The tumor microenvironment (TME) is a relevant target for novel biological therapies. MV-m-uPA and MV-h-uPA are fully retargeted, species-specific, oncolytic measles viruses (MVs) directed against murine or human urokinase receptor (PLAUR/uPAR), expressed in tumor and stromal cells. The effects of stromal selective targeting by uPAR retargeted MVs were investigated. In vitro infection, virus-induced GFP expression and cytotoxicity by MV-h-uPA and MV-m-uPA were demonstrated in human and murine cancer cells and cancer associated fibroblasts (CAFs) in a species-specific manner...
July 5, 2017: Molecular Cancer Research: MCR
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