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https://www.readbyqxmd.com/read/28060719/temporal-quantitative-phosphoproteomics-of-adp-stimulation-reveals-novel-central-nodes-in-platelet-activation-and-inhibition
#1
Florian Beck, Jörg Geiger, Stepan Gambaryan, Fiorella A Solari, Margherita Dell'Aica, Stefan Loroch, Nadine Mattheij, Igor Mindukshev, Oliver Pötz, Kerstin Jurk, Julia M Burkhart, Christian Fufezan, Johan W M Heemskerk, Ulrich Walter, René P Zahedi, Albert Sickmann
ADP enhances platelet activation by virtually any other stimulant to complete aggregation. It binds specifically to the G-protein coupled membrane receptors P2Y1 and P2Y12, stimulating intracellular signaling cascades leading to integrin αIIbβ3 activation, a process that is antagonized by endothelial prostacyclin. P2Y12 inhibitors are among the most successful anti-platelet drugs, however, show remarkable variability in efficacy. We reasoned whether a more detailed molecular understanding of ADP-induced protein phosphorylation could identify (i) critical hubs in platelet signaling towards aggregation, and (ii) novel molecular targets for anti-platelet treatment strategies...
November 9, 2016: Blood
https://www.readbyqxmd.com/read/28051243/long-term-survival-of-patients-with-critical-limb-ischemia-treated-with-iloprost-response-rate-and-predictive-criteria-a-retrospective-analysis-of-102-patients
#2
E Melillo, E Lucaccini, R Berchiolli, D Adami, M Nuti, G Dell'Omo, A Farina, G Panigada, A T Roberts, S Meini
OBJECTIVE: Critical limb ischemia (CLI) patients have poor long-term prognosis. We showed that iloprost improves outcomes (major amputation and survival) up a 5-year follow-up, but it is not known if in this length of time the survival curves, of clinical responders and non-responders, differ. PATIENTS AND METHODS: A retrospective study enrolling 102 consecutive patients between 2004-2008, with clinical and instrumental (ultrasound, angiography, transcutaneous tensiometry of oxygen TcpO2 and carbon dioxide TcpCO2 in the affected and contralateral limbs) diagnosis of critical ischemia...
December 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28018840/hand-impairment-in-systemic-sclerosis-various-manifestations-and-currently-available-treatment
#3
Amber Young, Rajaie Namas, Carole Dodge, Dinesh Khanna
Systemic sclerosis (SSc) is an autoimmune disease initially recognized by hand involvement due to characteristic Raynaud's phenomenon (RP), puffy hands, skin thickening, and contractures resembling claw deformities. SSc contributes to hand impairment through inflammatory arthritis, joint contractures, tendon friction rubs (TFRs), RP, digital ulcers (DU), puffy hands, skin sclerosis, acro-osteolysis, and calcinosis. These manifestations, which often co-exist, can contribute to difficulty with occupational activities and activities of daily living (ADL), which can result in impaired quality of life...
September 2016: Current Treatment Options in Rheumatology
https://www.readbyqxmd.com/read/27973680/prostaglandin-e2-potentiates-interferon-%C3%AE-induced-nitric-oxide-production-in-cultured-rat-microglia
#4
Takayuki Nagano, Ryo Nishiyama, Ayaka Sanada, Yukiko Mutaguchi, Anna Ioku, Hirohisa Umeki, Satoshi Kishimoto, Daisuke Yamanaka, Shinya H Kimura, Motohiko Takemura
Prostaglandin E2 (PGE2 ) plays crucial roles in managing microglial activation through the prostanoid EP2 receptor, a PGE2 receptor subtype. In the present study, we report that PGE2 enhances interferon-γ (IFN-γ)-induced nitric oxide production in microglia. IFN-γ increased the release of nitrite, a metabolite of nitric oxide, which was augmented by PGE2 , although PGE2 by itself slightly affects nitrite release. The potentiating effect of PGE2 was positively associated with increased expression of inducible nitric oxide synthase...
December 14, 2016: Journal of Neurochemistry
https://www.readbyqxmd.com/read/27973098/inhaled-iloprost-therapy-and-pulmonary-arterial-hypertension-experience-in-a-formulary-decision-study
#5
L Koh, L Lai
No abstract text is available yet for this article.
November 2016: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/27971557/cost-effectiveness-analysis-of-selexipag-versus-inhaled-iloprost-in-the-treatment-of-pulmonary-arterial-hypertension-pah-in-sweden
#6
J Wlodarczyk, E Hunsche, B Silberberg, D Kemp, B Anell, K Corcoran, R Minacori, M Stevenson, A Beaudet
No abstract text is available yet for this article.
November 2016: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/27926661/the-effect-of-intraoperative-and-6-h-postoperative-intravenous-administration-of-low-dose-prostacyclin-on-the-endothelium-hemostasis-and-hemodynamics-in-patients-undergoing-a-pancreaticoduodenoctemy-a-randomized-controlled-pilot-study
#7
Pär I Johansson, Christian R Mortensen, Tatiana Nielsen, Carsten Tollund, Jakob Stensballe, Carsten P Hansen, Hans J Frederiksen, Sisse R Ostrowski
BACKGROUND: Capillary leakage, secondary to endothelial breakdown, is common in patients undergoing major surgical procedures with extensive tissue injury and this is associated with increased morbidity and mortality. Prostacyclin has been ascribed cytoprotective properties together with its vasodilatory and antiplatelet effects. The present pilot study investigated the safety and endothelial protective effects of low-dose prostacyclin infusion. PATIENTS AND METHODS: A randomized placebo-controlled pilot study evaluating the effect of prostacyclin (iloprost) infusion (1...
December 6, 2016: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/27919660/a-comparison-of-vasodilation-mode-among-selexipag-ns-304-2-4-5-6-diphenylpyrazin-2-yl-isopropyl-amino-butoxy-n-methylsulfonyl-acetamide-its-active-metabolite-mre-269-and-various-prostacyclin-receptor-agonists-in-rat-porcine-and-human-pulmonary-arteries
#8
Chiaki Fuchikami, Kohji Murakami, Koyuki Tajima, Junko Homan, Keiji Kosugi, Kazuya Kuramoto, Michiko Oka, Keiichi Kuwano
Selexipag (NS-304; [2-{4-[(5,6-diphenylpyrazin-2-yl)(isopropyl)amino]butoxy}-N- (methylsulfonyl)acetamide]) is a novel, orally available non-prostanoid prostacyclin receptor (IP receptor) agonist that has recently been approved for the treatment of pulmonary arterial hypertension (PAH). We examined the effect of the active metabolite of selexipag, MRE-269, and IP receptor agonists that are currently available as PAH therapeutic drugs on the relaxation of rat, porcine and human pulmonary artery. cAMP formation in human pulmonary artery smooth muscle cells was induced by all test compounds (MRE-269, epoprostenol, iloprost, treprostinil and beraprost sodium) and suppressed by IP receptor antagonists (CAY10441 and 2-[4-(1H-indol-4-yloxymethyl)-benzyloxycarbonylamino]-3-phenyl-propionic acid)...
December 3, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/27796521/long-term-clinical-stabilization-of-scleroderma-patients-treated-with-a-chronic-and-intensive-iv-iloprost-regimen
#9
Rosario Foti, Elisa Visalli, Giorgio Amato, Alessia Benenati, Giovanni Converso, Alberto Farina, Salvatore Bellofiore, Massimiliano Mulè, Marcella Di Gangi
Intravenous iloprost is a first-line option for the treatment of scleroderma-related digital vasculopathy, and some studies have suggested its favourable role on disease progression. The aim of our study is to evaluate the disease progression, specifically in terms of cardiopulmonary function, in a group of consecutive patients chronically treated with intravenous iloprost. Our retrospective study enrolled 68 scleroderma patients (68 F, 54.4 ± 12.3 years) treated with iloprost for 7.1 ± 2.9 years, with a schedule of 5-6 consecutive daily infusions per month (6 h/day, 0...
October 28, 2016: Rheumatology International
https://www.readbyqxmd.com/read/27785045/buerger-s-disease-providing-integrated-care
#10
REVIEW
Peter Klein-Weigel, Theresa Sophie Volz, Leonora Zange, Jutta Richter
Buerger's disease, also known as thromboangiitis obliterans (TAO), is a segmental inflammatory disease affecting small- and medium-sized vessels, which is strongly associated with tobacco use. Although the etiology is still unknown, recent studies suggest an immunopathogenesis. Diagnosis is based on clinical and angiomorphologic criteria, including age, history of smoking, clinical presentation with distal extremity ischemia, and the absence of other risk factors for atherosclerosis, autoimmune disease, hypercoagulable states, or embolic disease...
2016: Journal of Multidisciplinary Healthcare
https://www.readbyqxmd.com/read/27754275/sy-18-1-translational-research-in-pah
#11
Wook-Jin Chung
Pulmonary arterial hypertension (PAH) is a life-threatening disorder with a poor prognosis and causes pulmonary vascular remodeling accompanied with increased pulmonary arterial medial wall thickness and fibrosis, which leads to vascular and right ventricular (RV) dysfunction. Despite treatment with prostacyclin, endothelin antagonist, and phosphodiesterase-5 inhibitors the 1-year mortality rate of PAH still remains high. Recent registries, clinical trials, and basic researches have been increasing the knowledge of PAH and it would contribute to potential therapeutic strategies and better clinical outcome...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27753979/os-12-06-effect-of-long-term-iloprost-treatment-on-the-right-ventricular-function-in-patients-with-eisenmenger-syndrome
#12
Kyoung Im Cho, Min Gu Chon
OBJECTIVE: Inhaled ilroprost can improve clinical status and symptoms in Eisenmenger syndrome (ES). Right ventricular (RV) function is important prognostic factor of pulmonary arterial hypertension. But there has been insufficient data in echocardiographic parameters related to RV function after long term iloprost therapy. So we evaluated effect of long term iloprost treatment on RV function and other parameters measured by echocardiography in this study. DESIGN AND METHOD: Eleven consecutive patients with ES associated with congenital heart disease underwent echocardiographic measurements at baseline and 48 weeks after iloprost therapy...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27744392/effects-of-longterm-treatment-with-bosentan-and-iloprost-on-nailfold-absolute-capillary-number-fingertip-blood-perfusion-and-clinical-status-in-systemic-sclerosis
#13
Amelia Chiara Trombetta, Carmen Pizzorni, Barbara Ruaro, Sabrina Paolino, Alberto Sulli, Vanessa Smith, Maurizio Cutolo
OBJECTIVE: To quantify in patients with systemic sclerosis (SSc) the absolute nailfold capillary number/mm (the absolute number of capillaries, observable in the first row, in 1 mm per field) and fingertip blood perfusion (FBP) during longterm therapy with the endothelin receptor antagonist bosentan (BOSE) and the synthetic analog of prostacyclin PGI2 iloprost (ILO) by multiple diagnostic tools. Observed values were correlated with clinical outcomes. METHODS: Thirty patients with SSc already receiving intravenous ILO (80 μg/day) for 5 continuous days (every 3 mos) were recruited in the clinic...
October 1, 2016: Journal of Rheumatology
https://www.readbyqxmd.com/read/27739097/acute-effect-of-iloprost-inhalation-on-right-atrial-function-and-ventricular-dyssynchrony-in-patients-with-pulmonary-artery-hypertension
#14
Luigi Gabrielli, María Paz Ocaranza, Marta Sitges, Andrés Kanacri, Rodrigo Saavedra, Pablo Sepulveda, Luis Sepulveda, Victor Rossel, Monica Zagolin, Hugo E Verdejo, Fernando Baraona, Ricardo Zalaquett, Mario Chiong, Sergio Lavandero, Pablo F Castro
BACKGROUND: Right atrium function and ventricular function have significant prognostic value in pulmonary arterial hypertension patients. Acute changes in right ventricular synchrony and right atrium function postiloprost inhalation have not been evaluated. METHODS: Cross-sectional study. Consecutive pulmonary arterial hypertension patients (group I from Nice classification) were included. Echocardiographic right atrium and right ventricular function pre- and postiloprost inhalation, including a right ventricular dyssynchrony index and right atrium function using speckle tracking, were performed in all patients...
October 14, 2016: Echocardiography
https://www.readbyqxmd.com/read/27707552/comparative-effectiveness-of-12-treatment-strategies-for-preventing-contrast-induced-acute-kidney-injury-a-systematic-review-and-bayesian-network-meta-analysis
#15
Xiaole Su, Xinfang Xie, Lijun Liu, Jicheng Lv, Fujian Song, Vlado Perkovic, Hong Zhang
BACKGROUND: To simultaneously evaluate the relative efficacy of multiple pharmacologic strategies for preventing contrast-induced acute kidney injury (AKI). STUDY DESIGN: Systematic review containing a Bayesian network meta-analysis of randomized controlled trials. SETTING & POPULATION: Participants undergoing diagnostic and/or interventional procedures with contrast media. SELECTION CRITERIA FOR STUDIES: Randomized controlled trials comparing the active drug treatments with each other or with hydration alone...
January 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/27701370/intra-arterial-injection-of-iloprost-reduces-the-risk-of-early-recoil-after-balloon-angioplasty-of-below-the-knee-vessels-in-patients-with-critical-limb-ischemia
#16
Nicola Troisi, Alberto Farina, Emiliano Chisci, Leonardo Ercolini, Pierfrancesco Frosini, Clara Pigozzi, Azzurra Guidotti, Stefano Michelagnoli
BACKGROUND: Previous studies demonstrated that early recoil is frequently observed in patients undergoing balloon angioplasty. The aim of this study was to evaluate the impact of intra-arterial administration of iloprost (Endoprost®, Italfarmaco S.p.A., Milan, Italy) on early elastic recoil after balloon angioplasty of below-the-knee (BTK) vessels in patients with critical limb ischemia (CLI). METHODS: Between January 2015 and December 2015 32 patients with CLI underwent balloon angioplasty of at least one BTK vessel followed by intra-arterial administration of iloprost...
October 4, 2016: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/27651971/severe-primary-raynaud-s-disease-treated-with-rituximab
#17
Mohammed Shabrawishi, Abdurahman Albeity, Hani Almoallim
Raynaud's phenomenon refers to reversible spasms of the peripheral arterioles that can be primary Raynaud's phenomenon (PRP) or secondary Raynaud's phenomenon (SRP) to underlying connective tissue disease, both of which are characterized by a triphasic color response triggered by cold exposure or stress. PRP is typically a benign disease, whereas SRP may progress into digital ulcers and/or gangrene. Here, we report a case of a 55-year-old female diagnosed with PRP 7 years ago. Treatment with first-line agents, including calcium channel blocker, aspirin, and phosphodiesterase inhibitor, did not control her symptoms, which progressed to digital ulceration and gangrene...
2016: Case Reports in Rheumatology
https://www.readbyqxmd.com/read/27651181/long-term-outcomes-of-domiciliary-intravenous-iloprost-in-idiopathic-and-connective-tissue-disease-associated-pulmonary-arterial-hypertension
#18
Sheila Ramjug, Nehal Hussain, Judith Hurdman, Charlie A Elliot, Ian Sabroe, Iain J Armstrong, Catherine Billings, Neil Hamilton, David G Kiely, Robin Condliffe
BACKGROUND AND OBJECTIVE: There are few published data on the efficacy of i.v. iloprost in pulmonary arterial hypertension (PAH). We present long-term outcomes in PAH patients receiving i.v. iloprost in a large UK referral centre. METHODS: Eighty patients with idiopathic PAH (iPAH, n = 46) or PAH associated with connective tissue disease (CTD-PAH, n = 34) were identified as receiving domiciliary i.v. iloprost between January 1999 and April 2015. Baseline characteristics, doses achieved, functional class at follow-up and survival data were retrieved from hospital databases...
September 20, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/27649677/efficacy-safety-and-feasibility-of-intravenous-iloprost-in-the-domiciliary-treatment-of-patients-with-ischemic-disease-of-the-lower-limbs
#19
R Polignano, C Baggiore, F Falciani, U Restelli, N Troisi, S Michelagnoli, G Panigada, S Tatini, A Farina, G Landini
OBJECTIVE: Intravenous iloprost is an important option in the treatment of ischemic disease of the lower limbs; however, the administration of therapy is frequently compromised because of the need for long cycles of infusion in a hospital setting. The aim of the study is to evaluate the efficacy, safety, feasibility, and the economic impact of infusion therapy in the outpatient setting. PATIENTS AND METHODS: Twenty-four consecutive patients were treated with iloprost at their homes where they were administered a slow rate of infusion for 24 hours a day, during 9...
September 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27643376/os-12-06-effect-of-long-term-iloprost-treatment-on-the-right-ventricular-function-in-patients-with-eisenmenger-syndrome
#20
Kyoung Im Cho, Min Gu Chon
OBJECTIVE: Inhaled ilroprost can improve clinical status and symptoms in Eisenmenger syndrome (ES). Right ventricular (RV) function is important prognostic factor of pulmonary arterial hypertension. But there has been insufficient data in echocardiographic parameters related to RV function after long term iloprost therapy. So we evaluated effect of long term iloprost treatment on RV function and other parameters measured by echocardiography in this study. DESIGN AND METHOD: Eleven consecutive patients with ES associated with congenital heart disease underwent echocardiographic measurements at baseline and 48 weeks after iloprost therapy...
September 2016: Journal of Hypertension
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