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Urokinase high dose

Kusumam Joseph, Baby G Tholanikunnel, Allen P Kaplan
BACKGROUND: When the prekallikrein-high molecular weight kininogen complex is bound to endothelial cells, prekallikrein is stoichiometrically converted to kallikrein because of release of heat shock protein-90 (Hsp90). Although bradykinin formation is typically initiated by factor XII autoactivation, it is also possible to activate factor XII either by kallikrein, thus formed, or by plasmin. OBJECTIVE: Because attacks of hereditary angioedema can be related to infection and/or exposure to estrogen, we questioned whether estrogen or cytokine stimulation of endothelial cells could augment release of Hsp90 and prekallikrein activation...
November 5, 2016: Journal of Allergy and Clinical Immunology
A N Beliaev, A N Rodin, S A Kozlov
The authors assessed efficacy of regional intraosseous administration of urokinase medac in comprehensive treatment of patients with complicated forms of diabetic foot syndrome by means of analysing therapeutic results in a total of 65 patients presenting with pyonecrotic complications of diabetic foot. The patients were subdivided into 2 groups. The control group was composed of 35 patients receiving basic therapy. The study group comprised 30 patients subjected to comprehensive treatment including regional intraosseous (into the heel bone of the affected limb) administration of urokinase medac at a dose of 100 thousand IU for 5 days...
2016: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
Johanne Bjerre Lindboe, Anne Langkilde, Jesper Eugen-Olsen, Birgitte R Hansen, Thomas H Haupt, Janne Petersen, Ove Andersen
BACKGROUND: Combination antiretroviral therapy (cART) has drastically increased the life expectancy of HIV-infected patients. However, HIV-infected patients exhibit increased inflammation and 33-58% exhibit a characteristic fat re-distribution termed HIV-associated lipodystrophy syndrome (HALS). Recombinant human growth hormone (rhGH) has been tested as treatment of HALS. Low-dose rhGH therapy improves thymopoiesis and fat distribution in HIV-infected patients and appears to be well tolerated...
November 2016: Infectious Diseases
Helena Kaihola, Fatma G Yaldir, Julius Hreinsson, Katarina Hörnaeus, Jonas Bergquist, Jocelien D A Olivier, Helena Åkerud, Inger Sundström-Poromaa
The use of antidepressant treatment during pregnancy is increasing, and selective serotonin reuptake inhibitors (SSRIs) are the most widely prescribed antidepressants in pregnant women. Serotonin plays a role in embryogenesis, and serotonin transporters are expressed in two-cell mouse embryos. Thus, the aim of the present study was to evaluate whether fluoxetine, one of the most prescribed SSRI antidepressant world-wide, exposure influences the timing of different embryo developmental stages, and furthermore, to analyze what protein, and protein networks, are affected by fluoxetine in the early embryo development...
2016: Frontiers in Cellular Neuroscience
Yun-Suk Kwon, Kyu-Shik Lee, So-Young Chun, Tae Jung Jang, Kyung-Soo Nam
A proton beam is a next generation tool to treat intractable cancer. Although the therapeutic effects of a proton beam are well known, the effect on tumor metastasis is not fully described. Here, we investigated the effects of a proton beam on metastasis in highly invasive 4T1 murine breast cancer cells and their orthotopic breast cancer model. Cells were irradiated with 2, 4, 8 or 16 Gy proton beam, and changes in cell proliferation, survival, and migration were observed by MTT, colony forming and wound healing assays...
July 2016: International Journal of Oncology
Xuanbin Wang, Ning Wang, Hongliang Li, Ming Liu, Fengjun Cao, Xianjun Yu, Jingxuan Zhang, Yan Tan, Longchao Xiang, Yibin Feng
Hepatocellular carcinoma (HCC) is the second leading cause of cancer-related death and its prognosis remains poor due to the high risk of tumor recurrence and metastasis. Berberine (BBR) is a natural compound derived from some medicinal plants, and accumulating evidence has shown its potent anti-tumor activity with diverse action on tumor cells, including inducing cancer cell death and blocking cell cycle and migration. Molecular targets of berberine involved in its inhibitory effect on the invasiveness remains not yet clear...
April 16, 2016: International Journal of Molecular Sciences
Mei-Due Yang, Wen-Shin Chang, Chia-Wen Tsai, Ming-Fu Wang, Yin-Ching Chan, Kung-Chi Chan, Meng-Chun Lu, Ai-Wen Kao, Chin-Mu Hsu, Da-Tian Bau
Oral cancer is keeping its 4th rank on the death causing cancers among Taiwan males, and its metastatic and recurrent rates remain high and a life-threatening issue to the citizens. Fermented wheat germ extract (AVEMAR) is used in clinical cancer nutritional therapy in gastrointestinal cancers but not in oral cancer yet. In this study, the potential of AVEMAR to inhibit tumor proliferation and metastasis of oral cancer was first investigated. Antiproliferative activity of AVEMAR was determined in human oral squamous carcinoma SCC-4 cells by MTT methodology...
2016: Nutrition and Cancer
Xi-Tao Yang, Dong-Fu Feng, Liang Zhao, Zhao-Liang Sun, Gang Zhao
BACKGROUND: Intraventricular hemorrhage (IVH) is associated with high morbidity and mortality. This study evaluated the safety and efficacy of the combined treatment of an Ommaya reservoir and conventional external ventricular drainage (EVD) using urokinase in the management of IVH. METHODS: We performed a prospective controlled study. Sixty eligible patients with IVH received conventional EVD alone (group A) or combined EVD and Ommaya reservoir (group B) between January 2010 and January 2015...
May 2016: World Neurosurgery
Henrique Neves, Hang Fai Kwok
BACKGROUND: The main goal of anti-cancer therapy is to specifically inhibit the malignant activity of cancer cells, while leaving healthy cells unaffected. As such, for every proposed therapy, it is important to keep in mind the therapeutic index - the ratio of the toxic dose over the therapeutic dose. The use of immunotherapy has allowed a means to both specifically block protein-protein interaction and deliver cytotoxic events to a tumor-specific antigen. REVIEW SCOPE: It is the objective of this review to give an overview on current immunotherapy treatment for cancers using monoclonal antibodies...
June 2015: BBA Clinical
Morten Persson, Dorthe Skovgaard, Malene Brandt-Larsen, Camilla Christensen, Jacob Madsen, Carsten H Nielsen, Tine Thurison, Thomas Levin Klausen, Søren Holm, Annika Loft, Anne Kiil Berthelsen, Michael Ploug, Helle Pappot, Klaus Brasso, Niels Kroman, Liselotte Højgaard, Andreas Kjaer
A first-in-human clinical trial with Positron Emission Tomography (PET) imaging of the urokinase-type plasminogen activator receptor (uPAR) in patients with breast, prostate and bladder cancer, is described. uPAR is expressed in many types of human cancers and the expression is predictive of invasion, metastasis and indicates poor prognosis. uPAR PET imaging therefore holds promise to be a new and innovative method for improved cancer diagnosis, staging and individual risk stratification. The uPAR specific peptide AE105 was conjugated to the macrocyclic chelator DOTA and labeled with (64)Cu for targeted molecular imaging with PET...
2015: Theranostics
Amira Bekdash, Manal Darwish, Zahra Timsah, Elias Kassab, Hadi Ghanem, Vicky Najjar, Marwan Ghosn, Selim Nasser, Hiba El-Hajj, Ali Bazerbachi, Shihui Liu, Stephen H Leppla, Arthur E Frankel, Ralph J Abi-Habib
In this study, we attempt to target both the urokinase plasminogen activator and the mitogen-activated protein kinase pathway in acute myeloid leukemia (AML) cell lines and primary AML blasts using PrAgU2/LF, a urokinase-activated anthrax lethal toxin. PrAgU2/LF was cytotoxic to five out of nine AML cell lines. Cytotoxicity of PrAgU2/LF appeared to be nonapoptotic and was associated with MAPK activation and urokinase activity because all the PrAgU2/LF-sensitive cell lines showed both uPAR expression and high levels of MEK1/2 phosphorylation...
October 2015: Translational Oncology
Morten Persson, Mette K Nedergaard, Malene Brandt-Larsen, Dorthe Skovgaard, Jesper T Jørgensen, Signe R Michaelsen, Jacob Madsen, Ulrik Lassen, Hans S Poulsen, Andreas Kjaer
UNLABELLED: Glioblastoma is one of the most malignant types of human cancer, and the prognosis is poor. The development and validation of novel molecular imaging biomarkers has the potential to improve tumor detection, grading, risk stratification, and treatment monitoring of gliomas. The aim of this study was to explore the potential of PET imaging of the urokinase-type plasminogen activator receptor (uPAR) in glioblastoma. METHODS: The uPAR messenger RNA expression of tumors from 19 glioblastoma patients was analyzed, and a cell culture derived from one of these patients was used to establish an orthotopic xenograft model of glioblastoma...
February 2016: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
Carmen Alemán, José M Porcel, José Alegre, Eva Ruiz, Silvia Bielsa, Jordi Andreu, Maria Deu, Pilar Suñé, Mireia Martínez-Sogués, Iker López, Esther Pallisa, Joan Antoni Schoenenberger, J Bruno Montoro, Tomás Fernández de Sevilla
BACKGROUND: Pleurofibrinolysis has been reported to be potentially beneficial in the management of complicated parapneumonic effusions (CPPE) and empyemas in the adult population. METHODS: Prospective, controlled, randomized, and double-blind study, to evaluate intrapleural alteplase 10 mg (initially 20 mg was considered but bleeding events forced dose reduction) versus 100,000 UI urokinase every 24 h for a maximum of 6 days in patients with CPPE or empyemas. The primary aim was to evaluate the success rate of each fibrinolytic agent at 3 and 6 days...
December 2015: Lung
Marcela Lara Mendes, Pasqual Barretti, Tricya Nunes Vieira da Silva, Daniela Ponce
Currently, permanent catheters (pCVC) are becoming an alternative vascular access for long-stay patients in whom arteriovenous access cannot be made. Occlusion is a commun mechanical complication related to pCVC, leading to inadequate dialysis dose and frequent changes of local catheter location, which can cause exclusion of vascular sites. The aim of this study was to perform a narrative review of treatment of pCVC thrombotic occlusion in HD patients. The treatment of CVCP thrombosis typically consists on the saline infusion or administration of thrombolytics such as tissue plasminogen activated, reteplase and urokinase...
April 2015: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
Zhou Tian, Bo Li, Liwei Guo, Mianhua Wu, Tingming Fu, Haibo Cheng, Huaxu Zhu
A novel protease, named PSLTro01, with fibrinolytic and anticoagulant activity was isolated from Porcellio scaber Latreille and was purified by a combination of hollow fibre membrane molecular weight cut-off (MWCO), ammonium sulfate fractionation, gel filtration and ion-exchange chromatography. PSLTro01 is a single-chain protein with a molecular mass of 38,497 Da as estimated by non-reduced SDS-PAGE and MALDI-TOF MS spectrometry, and its N-terminal 15 amino acid sequence was determined as DINGGGATLPQPLYQ. PSLTro01 is stable in the range of 20-40 °C and pH 6...
September 2015: International Journal of Biological Macromolecules
Ali Munaim Yousif, Michele Minopoli, Katia Bifulco, Vincenzo Ingangi, Gioconda Di Carluccio, Francesco Merlino, Maria Letizia Motti, Paolo Grieco, Maria Vincenza Carriero
The receptor for the urokinase-type plasminogen activator (uPAR) is a widely recognized master regulator of cell migration and uPAR88-92 is the minimal sequence required to induce cell motility. We and others have previously documented that the uPAR88-92 sequence, even in the form of synthetic linear peptide (SRSRY), interacts with the formyl peptide receptor type 1 (FPR1), henceforth inducing cell migration of several cell lines, including monocytes. FPR1 is mainly expressed by mammalian phagocytic leukocytes and plays a crucial role in chemotaxis...
2015: PloS One
Siddiq Anwar, Derek S Larson, Nima Naimi, Muhammad Ashraf, Nancy Culiberk, Helen Liapis, Changli Wei, Jochen Reiser, Daniel C Brennan
BACKGROUND: Recurrent focal segmental glomerular sclerosis (rFSGS) in renal transplant recipients (RTR) is difficult to predict and treat. Early rFSGS is likely from circulating factors and preformed antibodies. METHODS: We present the case of a 23-year-old white man who presented with rFSGS and acute renal failure, requiring dialysis 9-months after a 1-haplotype matched living-related transplant. We retrospectively analyzed serum samples from various clinical stages for rFSGS biomarkers: serum glomerular albumin permeability (Palb), soluble urokinase-type plasminogen activator receptor (suPAR) serum level with suPAR-β3 integrin signaling on human podocytes, and angiotensin II type I receptor-antibody (AT1R-Ab) titer...
2015: Frontiers in Medicine
Vishal Saxena, Carmen Gacchina Johnson, Ayele H Negussie, Karun V Sharma, Matthew R Dreher, Bradford J Wood
BACKGROUND: Clinical efficacy of thrombolytic drugs is limited by lack of specific delivery and requires large therapeutic doses which increase toxicity. Encapsulating these drugs in temperature-sensitive liposomes and applying hyperthermia to deliver thrombolytic agents locally to thrombus might theoretically favourably alter the therapeutic window. The objectives of this study were to formulate liposomes encapsulating thrombolytics and assess thrombolytic activity following hyperthermia...
February 2015: International Journal of Hyperthermia
Wanjun Ren, Fang Wei, Yabin Sha, Qi Wang, Lin Xie
Heparin is routinely administered at high doses during hemodialysis to patients with hypercoagulable states. This study aimed to evaluate the safety and efficacy of low-dose heparin in combination with urokinase in this patient population. The presence of a hypercoagulable state was confirmed by thromboelastography. Doses of heparin and urokinase were adjusted based on activated partial thromboplastin time (APTT). Clotting in the extracorporeal circuit was evaluated by a semi-quantitative index. Prothrombin time (PT) and APTT were measured before, during and after dialysis...
May 2015: Renal Failure
You-Chao Dai, Si-Min Yang, Xin Wang, Yong-Jun Zhou, Gan Hou, Di-Nan Huang
The aim of this study was to investigate the effect of the tumor‑targeting recombinant human tumor necrosis factor (rhTNF)‑α fusion protein mediated by urokinase on Sl80 tumor‑bearing mice, as well as to explore its mechanisms of action. Furthermore, the study aimed to observe the effect of the protein on liver and kidney function. rhTNF‑α fusion protein prokaryotic expression vectors were constructed using genetic engineering techniques, and were introduced into Escherichia coli. Expression of the fusion protein was induced, and it was then separated and purified in order to determine its cytotoxic activity on L929 cells...
June 2015: Molecular Medicine Reports
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