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https://www.readbyqxmd.com/read/28445073/plasminogen-activator-inhibitor-1-is-critical-in-alcohol-enhanced-acute-lung-injury-in-mice
#1
Lauren G Poole, Veronica L Massey, Deanna L Siow, Edilson Torres-González, Nikole L Warner, James P Luyendyk, Jeffrey D Ritzenthaler, Jesse Roman, Gavin E Arteel
RATIONALE: Chronic alcohol exposure is a clinically important risk factor for development of acute respiratory distress syndrome, the most severe form of acute lung injury (ALI). However, the mechanisms by which alcohol sensitizes the lung to development of this disease are poorly understood. OBJECTIVES: We determined the role of the anti-fibrinolytic protein plasminogen activator inhibitor-1 (PAI-1) in alcohol enhancement of experimental endotoxin-induced ALI. METHODS: Wild-type (WT), PAI-1(-/-) and Integrin β3(-/-) mice were fed ethanol-containing Lieber-DeCarli liquid or control diet for 6 weeks followed by systemic lipopolysaccharide (LPS) challenge...
April 26, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28442446/proteomic-and-transcriptomic-analysis-of-saliva-components-from-the-hematophagous-reduviid-triatoma-pallidipennis
#2
María J Hernández-Vargas, Jeovanis Gil, Luis Lozano, Martha Pedraza-Escalona, Ernesto Ortiz, Sergio Encarnación-Guevara, Alejandro Alagón, Gerardo Corzo
Species belonging to the Triatominae subfamily are commonly associated with Chagas disease, as they are potential vectors of the parasite Trypanosoma cruzi. However, their saliva contains a cocktail of diverse anti-hemostatic proteins that prevent blood coagulation, vasodilation and platelet aggregation of blood; components with indisputable therapeutic potential. We performed a transcriptomic and proteomic analyses of salivary glands and protein spots from 2DE gels of milked saliva, respectively, from the Mexican Triatoma pallidipennis...
April 22, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28441767/inhibitory-effect-of-triterpenoids-from-panax-ginseng-on-coagulation-factor-x
#3
Lingxin Xiong, Zeng Qi, Bingzhen Zheng, Zhuo Li, Fang Wang, Jinping Liu, Pingya Li
Enzymes involved in the coagulation process have received great attention as potential targets for the development of oral anti-coagulants. Among these enzymes, coagulation factor Xa (FXa) has remained the center of attention in the last decade. In this study, 16 ginsenosides and two sapogenins were isolated, identified and quantified. To determine the inhibitory potential on FXa, the chromogenic substrates method was used. The assay suggested that compounds 5, 13 and 18 were mainly responsible for the anti-coagulant effect...
April 24, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28432098/inhibitory-effect-of-coumarin-on-syntrophic-fatty-acid-oxidizing-and-methanogenic-cultures-and-biogas-reactor-microbiomes
#4
Denny Popp, Caroline M Plugge, Sabine Kleinsteuber, Hauke Harms, Heike Sträuber
Coumarins are widely found in plants as natural constituents having antimicrobial activity. When considering plants rich in coumarins for biogas production, adverse effects on microorganisms driving the anaerobic digestion process are expected. Furthermore, coumarin derivatives like warfarin, which are used as anti-coagulating medicine, are found in wastewater affecting its treatment. Coumarin as the structure common to all coumarins inhibits the anaerobic digestion process. However, details of this inhibition are still elusive...
April 21, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28429033/clinics-in-diagnostic-imaging-176-acute-embolic-occlusion-of-the-coeliac-artery
#5
Chinthaka Appuhamy, Justin Kwan, Martin Weng Chin H'ng, Sriram Narayanan, Sundeep Punamiya
A 52-year-old man, who had a background of chronic heart disease and atrial fibrillation, as well as non-compliance with warfarin therapy, presented with a two-week history of worsening upper abdominal pain. Computed tomography mesenteric angiography showed complete embolic occlusion of the coeliac artery with resultant segmental splenic infarction, and thrombus within the left ventricle. A decision was made to proceed with catheter-directed thrombolysis. Subsequent follow-up angiogram at 12 hours showed successful treatment with complete dissolution of the coeliac embolus...
April 2017: Singapore Medical Journal
https://www.readbyqxmd.com/read/28427942/inhibitory-effects-of-ethyl-pyruvate-on-platelet-aggregation-and-phosphatidylserine-exposure
#6
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/28424376/serpinc1-antithrombin-iii-in-kidney-related-diseases
#7
REVIEW
Zeyuan Lu, Feng Wang, Mingyu Liang
The gene SerpinC1 encodes a serine protease inhibitor named antithrombin III (ATIII). This protease demonstrates both anticoagulant and anti-inflammatory action. ATIII is the most important coagulation factor inhibitor, and even minor changes in ATIII can significantly alter the risk of thromboembolism. ATIII can also suppress inflammation via a coagulation-dependent or -independent effect. Moreover, apart from ATIII deficiency, ATIII and its gene SerpinC1 may also be related to many diseases (e.g. hypertension, kidney diseases)...
May 1, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28424084/durable-complete-remission-with-aromatase-inhibitor-therapy-in-a-patient-with-metastatic-uterine-carcinosarcoma-with-poor-performance-status-and-coagulation-disorders-a-case-report
#8
P Martin-Romano, M Jurado, M A Idoate, L Arbea, J L Hernandez-Lizoain, D Cano, J A Paramo, S Martin-Algarra
BACKGROUND: Chemotherapy is considered the most appropriate treatment for metastatic uterine sarcoma, despite its limited efficacy. No other treatment has been conclusively proved to be a real alternative, but some reports suggest that anti-hormonal therapy could be active in a small subset of patients. We report the case of a patient with metastatic uterine carcinosarcoma with positive hormonal receptors and a complete pathological response. CASE PRESENTATION: A 54-year-old white woman presented to our emergency room with hypovolemic shock and serious vaginal bleeding...
April 19, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28423431/-treatment-and-secondary-prevention-of-venous-thromboembolism-change-in-oral-anticoagulation
#9
Thomas-Maria Helms, Dietrich Gulba, Ingo Ahrens, Andreas Schäfer, Johannes Hankowitz, Peter Kuhlencordt, Hans-Peter Lipp, Sigrid Nikol, Hanno Riess, Tom Stargardt, Peter Bramlage
With the recent approval of the fourth direct non vitamin K dependent oral anticoagulant (NOAC) edoxaban the range of available NOACs for the treatment of venous thromboembolism (VTE) has expanded. Shortly thereafter, two updated guidelines for the prevention and treatment of VTE have been published. In these NOACs are listed as equal anticoagulants to low-molecular weight heparin (LMWH), or fondaparinux (FDX), and VKA for the initial or maintenance treatment of VTE. All NOACs are approved for the maintenance therapy after VTE and two NOACs (rivaroxaban and apixaban) for the initial treatment in addition in an increased dose...
April 19, 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28419916/a-sensitive-label-free-immunosensor-for-detection-%C3%AE-fetoprotein-in-whole-blood-based-on-anticoagulating-magnetic-nanoparticles
#10
Tingting Xu, Bo Chi, Fan Wu, Shangshang Ma, Shuyue Zhan, Meihui Yi, Hong Xu, Chun Mao
Accurate values of tumor markers in blood play an especially important role in the diagnosis of illness. Here, based on the combination of three techniques include anticoagulant technology, nanotechnology and biosensing technology, a sensitive label-free immunosensor with anti-biofouling electrode for detection α-Fetoprotein (AFP) in whole blood was developed by anticoagulating magnetic nanoparticles. The obtained products of Fe3O4-ɛ-PL-Hep nanoparticles were characterized by fourier transform infrared (FT-IR) spectra, transmission electron microscopy (TEM), ζ-potential and vibrating sample magnetometry (VSM)...
April 13, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28418077/therapeutic-protein-deimmunization-by-t-cell-epitope-removal-antigen-specific-immune-responses-in-vitro-and-in-vivo
#11
Saeme Asgari, Azadeh Ebrahim-Habibi, Mehdi Mahdavi, Mohammad Choopani, Hasan Mirzahoseini
Hirudin III is an effective anti-coagulant; however, in 40% of treated patients, a high-titer of anti-Hirudin III IgG antibodies is observed. Development of antibody responses requires the activation of helper T lymphocyte (HTL), which is dependent on peptide epitopes binding to HLA class II molecules. Based on computational prediction softwares, four new mutants of Hirudin III, T4K, S9G, V21G, and V21K, had been designed with the aim of reducing the binding affinity of these HTL epitopes. The constructed mutants have been purified and assayed for bioactivity...
April 18, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28417501/d-dimer-level-in-association-with-humoral-responses-negatively-correlates-with-survival-of-porcine-islet-grafts-in-non-human-primates-with-immunosuppression
#12
Hee Jung Kang, Haneulnari Lee, Eun Mi Park, Jong-Min Kim, Byoung-Hoon Min, Chung-Gyu Park
BACKGROUND: Several immunosuppression (IS) regimens achieve long-term graft survival in non-human primates (NHPs) after porcine islet transplantation (PITx), but their success rates vary. To understand the mechanism of graft loss, we investigated the relationships between graft survival and humoral or inflammatory responses for maintenance IS in NHPs after PITx. METHODS: Islets purified from adult wild-type pigs were intraportally transplanted into streptozotocin-induced diabetic rhesus monkeys...
April 18, 2017: Xenotransplantation
https://www.readbyqxmd.com/read/28415603/synthesis-and-evaluation-of-anthranilamide-based-derivatives-as-fxa-inhibitors
#13
Changjiang Huang, Wenzhi Wang, Yao Li, Shijun Zhang, Fancui Meng, Weiren Xu, Jing Yuan, Ligong Chen
Factor Xa (FXa) plays a significant role in the blood coagulation cascade and is a promising target for anticoagulation drugs. Three oral FXa inhibitors have been approved by FDA for treating thrombotic diseases. In this study, 43 novel compounds were synthesized anthranilamide-based FXa inhibitors aiming to ameliorate the toxicity of traditional FXa inhibitors in clinic. The data indicated that the compounds 6a, 6a-b, 6a-e, 6k, 6k-a and 6k-b showed remarkable FXa inhibitory activity and excellent selectivity over thrombin in vitro...
March 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28412927/widespread-subcutaneous-necrosis-in-spotted-fever-group-rickettsioses-from-the-coastal-belt-of-sri-lanka-a-case-report
#14
Nathasha Luke, Hasini Munasinghe, Lakshmi Balasooriya, Ranjan Premaratna
BACKGROUND: Spotted fever group rickettsioses (SFGR) transmitted mostly by ticks are increasingly discovered around the World and some of them are either re-emerging or emerging in Sri Lanka. Accidental human infections caused by these vector borne zoonotic diseases generally give rise to nonspecific acute febrile illnesses which can be complicated by multi organ involvement carrying high morbidity and mortality. Nonspecific clinical features and non-availability of early diagnostic facilities are known to result in delay in the diagnosis of rickettsial infections...
April 17, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28411882/in-vitro-generation-of-interleukin-10-secreting-b-regulatory-cells-from-donor-adipose-tissue-derived-mesenchymal-stem-cells-and-recipient-peripheral-blood-mononuclear-cells-for-potential-cell-therapy
#15
Kunal S Gupte, Aruna V Vanikar, Hargovind L Trivedi, Chetan N Patel, Jignesh V Patel
BACKGROUND: Interleukin-10 secreting B-cells are a major subset of B-regulatory cells (B-regs), commonly recognized as CD19(+)/38(hi)/24(hi)/IL10(+). They carry out immunomodulation by release of specific cytokines and/or cell-to-cell contact. We have generated B-regs in-vitro from donor adipose tissue derived mesenchymal stem cells (AD-MSC) and renal allograft recipient (RAR) peripheral blood mononuclear cells (PBMC) for potential cell therapy. MATERIAL AND METHODS: Mononuclear cells separated by density gradient centrifugation from 50 ml anti-coagulated blood of 15-RAR and respective donors were analysed for baseline B-regs using appropriate antibodies...
February 2017: Biomedical Journal
https://www.readbyqxmd.com/read/28402449/enhancement-of-trophoblast-differentiation-and-survival-by-low-molecular-weight-heparin-requires-heparin-binding-egf-like-growth-factor
#16
Alan D Bolnick, Jay M Bolnick, Hamid-Reza Kohan-Ghadr, Brian A Kilburn, Omar J Pasalodos, Pankaj K Singhal, Jing Dai, Michael P Diamond, D Randall Armant, Sascha Drewlo
STUDY QUESTION: Does low molecular weight heparin (LMWH) require heparin-binding epidermal growth factor (EGF)-like growth factor (HBEGF) signaling to induce extravillous trophoblast differentiation and decrease apoptosis during oxidative stress? SUMMARY ANSWER: LMWH increased HBEGF expression and secretion, and HBEGF signaling was required to stimulate trophoblast extravillous differentiation, increase invasion in vitro and reduce trophoblast apoptosis during oxidative stress...
April 10, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28394734/optimization-of-bioengineered-heparin-heparan-sulfate-production-for-therapeutic-applications
#17
Megan S Lord, MoonSun Jung, John M Whitelock
Heparin has been used clinically as an anti-coagulant for more than 100 y and the major source of this therapeutic is still animal tissues. Contamination issues in some batches of heparin over 10 y ago have highlighted the need to develop alternative methods of production of this essential drug. (1) Bioengineering heparin by expressing serglycin in mammalian cells is a promising approach that was recently reported by the authors. (2) This addendum explores the approaches that the authors are taking to increase the yield of recombinantly expressed serglycin decorated with heparin/heparan sulfate focusing on cell culture and bioreactor conditions and proposes that the cell microenvironment is a key modulator of heparin biosynthesis...
April 10, 2017: Bioengineered
https://www.readbyqxmd.com/read/28393040/vitreous-haemorrhage-a-population-based-study-of-the-incidence-and-risk-factors-in-taiwan
#18
Ching-Yu Wang, Wai-Man Cheang, De-Kuang Hwang, Ching-Heng Lin
AIM: To report the epidemiology and incidence of vitreous hemorrhage and to evaluate risk factors for patients with vitreous hemorrhage (VH) in Taiwan. METHODS: A retrospective population-based study. Analyzing a sample of one million subjects from all enrollees of the Taiwan Health Insurance programme. All data were obtained from the Taiwan Health Insurance Research Database, which contained patient sex, date of birth, all records of clinical visits and hospitalizations, and diagnosis codes as included in the International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM)...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28392913/low-molecular-weight-heparin-versus-unfractionated-heparin-in-the-management-of-cerebral-venous-thrombosis-a-systematic-review-and-meta-analysis
#19
REVIEW
Anjum Qureshi, Andrea Perera
INTRODUCTION: There are two main choices of anti-coagulation in cerebral venous thrombosis: Unfractionated heparin versus low molecular weight heparin. A consensus is yet to be reached regarding which agent is optimal. Therefore the aim of this systematic review and meta-analysis was to identify which agent is most effective in treating CVT. METHODS: Databases Pubmed (MEDLINE), Google Scholar and hand-picked references from papers of interest were reviewed. Studies comparing the use of low molecular weight heparin and unfractionated heparin in adult patients with a confirmed diagnosis of cerebral vein thrombosis were selected...
May 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/28392742/pneumatic-tube-system-transport-does-not-alter-platelet-function-in-optical-and-whole-blood-aggregometry-prothrombin-time-activated-partial-thromboplastin-time-platelet-count-and-fibrinogen-in-patients-on-anti-platelet-drug-therapy
#20
Dietmar Enko, Harald Mangge, Andreas Münch, Tobias Niedrist, Elisabeth Mahla, Helfried Metzler, Florian Prüller
INTRODUCTION: The aim of this study was to assess pneumatic tube system (PTS) alteration on platelet function by the light transmission aggregometry (LTA) and whole blood aggregometry (WBA) method, and on the results of platelet count, prothrombin time (PT), activated partial thromboplastin time (APTT), and fibrinogen. MATERIALS AND METHODS: Venous blood was collected into six 4.5 mL VACUETTE® 9NC coagulation sodium citrate 3.8% tubes (Greiner Bio-One International GmbH, Kremsmünster, Austria) from 49 intensive care unit (ICU) patients on dual anti-platelet therapy and immediately hand carried to the central laboratory...
February 15, 2017: Biochemia Medica: časopis Hrvatskoga Društva Medicinskih Biokemičara
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