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https://www.readbyqxmd.com/read/28927121/the-role-of-jagged1-notch-pathway-mediated-angiogenesis-of-hepatocarcinoma-cells-in-vitro-and-the-effects-of-the-spleen-invigorating-and-blood-stasis-removing-recipe
#1
Juze Lin, Yongxin Lin, Le Su, Qiao Su, Wei Guo, Xuhui Huang, Changjun Wang, Lizhu Lin
The objective of this study was to observe the effect of Jagged1/Notch pathway-mediated angiogenesis on the in vitro proliferation of hepatocellular carcinoma cells, and the effect and possible mechanism of the spleen-invigorating and blood stasis-removing recipe. Spleen-invigorating and blood stasis-removing recipe serum from SPF grade nude mice was prepared, and the fingerprint of the drugs of the spleen-invigorating and blood stasis-removing recipe and drug serum were identified by HPLC. SMMC-7721 human hepatocellular carcinoma cells were divided into the normal control group, DAPT inhibitor control group, and drug serum group according to the different treatments...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28923692/polymer-free-biolimus-a9-coated-stents-in-the-treatment-of-de-novo-coronary-lesions-with-short-dapt-9-month-angiographic-and-clinical-follow-up-of-the-prospective-multicenter-biofreedom-usa-clinical-trial
#2
Ron Waksman, Guy N Piegari, Ameer Kabour, Louis Cannon, John Wang, George Adams, Naresh Solankhi, Anthony Smeglin, Dean J Kereiakes, Roy Leiboff, Mia-Ashley Spad, Rebecca Torguson, Nina Chandra, Roshni Bastian, Jolanda DeGroot, Margaret W Kayo, Hans-Peter Stoll, Hector M Garcia-Garcia
BACKGROUND: BioFreedom is a polymer- and carrier-free drug-coated stent that delivers Biolimus A9 to the vessel wall. Our purpose was to evaluate the efficacy and safety of this DCS in patients with short-duration dual antiplatelet therapy. METHODS: The BioFreedom US IDE feasibility trial was a single-arm, open-label, prospective study of patients requiring stenting of de novo lesions. Patients received 3 months of DAPT, repeat angiography at 9 months, and clinical follow-up at multiple intervals...
July 31, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28905178/single-versus-dual-anti-platelet-therapy-post-transcatheter-aortic-valve-implantation-a-meta-analysis-of-randomized-controlled-trials
#3
Tomo Ando, Hisato Takagi, Alexandros Briasoulis, Luis Afonso
The purpose of this systematic review and meta-analysis was to assess the 30-days safety (bleeding and vascular events) and efficacy (reduction in major stroke, myocardial infarction and mortality) of single anti-platelet (SAPT) versus dual anti-platelet (DAPT) after transcatheter aortic valve implantation (TAVI). We used a meta-analytic method with Mantel-Haenszel methods to calculate the odds ratio (OR) and 95% confidence interval (CI). Only randomized clinical trials that compared 30-days safety and efficacy based on Valve Academic Research Consortium criteria were included...
September 13, 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28904317/notch-signaling-partly-regulates-the-osteogenic-differentiation-of-retinoic-acid-treated-murine-induced-pluripotent-stem-cells
#4
Thanaphum Osathanon, Jeeranan Manokawinchoke, Hiroshi Egusa, Prasit Pavasant
Notch signaling is involved in osteogenic differentiation; however, its role differs depending on cell type and differentiation stage. Here, we investigated the involvement of Notch signaling in the osteogenic differentiation of retinoic acid-treated embryoid bodies derived from mouse gingival fibroblast-derived induced pluripotent stem cells (mGF-iPSCs). When cultured in osteogenic media, mGF-iPSCs showed an increase in their expression of osteogenic marker genes and deposited a mineralized matrix. Furthermore, increased levels of mRNA for Notch1, Notch2, and Hey1 were observed...
2017: Journal of Oral Science
https://www.readbyqxmd.com/read/28903429/lenalidomide-restores-the-osteogenic-differentiation-of-bone-marrow-mesenchymal-stem-cells-from-multiple-myeloma-patients-via-deactivating-notch-signaling-pathway
#5
Juan Guo, Chengming Fei, Youshan Zhao, Sida Zhao, Qingqing Zheng, Jiying Su, Dong Wu, Xiao Li, Chunkang Chang
Multiple myeloma (MM) always presents osteolytic bone lesions, resulting from the abnormal osteoblastic and osteoclastic function in patients. MM patients exhibit the impairment of osteogenic differentiation of BMMSCs (bone marrow mesenchymal stem cells) and osteoblast deficiency. Effects of the drug, lenalidomide on the osteoblastic functions and the involved mechanisms remain unexplored. In the present study, it is observed that the osteogenic differentiation of BMMSCs from MM patients (MM-MSCs) is impaired and activation of Notch signaling pathway in MM-MSCs is abnormal...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28895303/coronary-angiography-with-or-without-percutaneous-coronary-intervention-in-patients-with-hemophilia-systematic-review
#6
Christian Boehnel, Hans Rickli, Lukas Graf, Micha T Maeder
OBJECTIVES: We aimed to summarize the evidence for periprocedural and long-term strategies to both minimize the bleeding risk and ensure sufficient anticoagulation and antiaggregation in hemophilia patients undergoing coronary angiography with or without percutaneous coronary interventions (PCI). BACKGROUND: Hemophilia patients undergoing coronary angiography and PCI are at risk of bleeding due to deficiency of the essential clotting factors VIII or IX combined with the need of peri-interventional anticoagulation and antiaggregation and dual antiplatelet therapy (DAPT) after PCI...
September 12, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28877643/a-case-series-of-18-patients-receiving-ticagrelor-after-carotid-stenting
#7
Elizabeth M Olafson, Jodi R DeGrote, Alexander Drofa, Evgueni Kouznetsov, Michael Manchak, Nathan D Leedahl, David D Leedahl
PURPOSE: Dual antiplatelet therapy (DAPT) with aspirin and a P2Y12 receptor antagonist is often used to prevent thrombotic complications after endovascular stent placement. Most of the published experience surrounding DAPT after carotid stenting is with clopidogrel. Ticagrelor may be a promising alternative, especially in patients who may be considered nonresponders to clopidogrel. However, clinical outcomes utilizing DAPT with ticagrelor in a cohort with carotid stenting is lacking. In this case series, we describe our experience with systematic prescribing of ticagrelor after carotid stent placement in 18 patients...
January 1, 2017: Journal of Pharmacy Practice
https://www.readbyqxmd.com/read/28874297/patients-with-non-st-segment-elevation-acute-coronary-syndromes-managed-without-coronary-revascularization-a-population-needing-treatment-improvement
#8
Alberto Menozzi, Stefano De Servi, Roberta Rossini, Marco Ferlini, Daniela Lina, Maurizio Giuseppe Abrignani, Piera Capranzano, Nazario Carrabba, Marcello Galvani, Alfredo Marchese, Gianfranco Mazzotta, Luciano Moretti, Nicola Signore, Massimo Uguccioni, Zoran Olivari, Leonardo De Luca
NSTE-ACS patients are a heterogeneous population, with different clinical features and prognosis. A large proportion of them is medically managed, without any revascularization. In the EYSHOT and FAST-MI registries such patients were 40% and 35%, respectively. These patients are at higher risk of adverse cardiovascular events and have a worse prognosis compared with those receiving revascularization. Medically managed NSTE-ACS patients consist of different subgroups: those not undergoing coronary angiography, those without significant coronary artery disease, and those with coronary stenoses not referred to revascularization...
October 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28870875/which-is-the-best-anti-aggregant-or-anti-coagulant-therapy-after-tavi-a-propensity-matched-analysis-from-the-iter-registry-the-management-of-dapt-after-tavi
#9
Fabrizio D'Ascenzo, Umberto Benedetto, Matteo Bianco, Federico Conrotto, Claudio Moretti, Augusto D'Onofrio, Marco Agrifoglio, Antonio Colombo, Flavio Ribichini, Giuseppe Tarantini, Maurizio D'Amico, Stefano Salizzoni, Fiorenzo Gaita
AIMS: Safety and efficacy of single vs. dual antiplatelet therapy (DAPT) in patients undergoing TAVI remain to be addressed. METHODS AND RESULTS: All consecutive patients enrolled in the ITER registry were included. Patients undergoing TAVI discharged with aspirin alone were compared to those assuming DAPT before and after selection with propensity score with matching. Subgroup analysis was performed for those on OAT. Prosthetic heart valve dysfunction at follow-up was the primary end point whereas all cause death, cardiovascular death, bleedings, vascular complications and cerebrovascular accidents were the secondary ones...
September 5, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28856557/endothelial-cells-promote-formation-of-medulloblastoma-stem-like-cells-via-notch-pathway-activation
#10
Yong Wang, Yushe Wang, Hang Chen, Qinghua Liang
The aim of the study is to investigate whether endothelial cells (ECs) promoted the capacity of stem-like cell formation in medulloblastoma (MB) and whether the mechanism of action was associated with mediation of Notch signaling pathway. Co-culture experiment was conducted to particularly understand the potential role of ECs in promoting phenotype and gene expression of MB stem-like cells. Self-renewal capacity and tumor cell population were measured by sphere-forming assay and flow cytometry, respectively...
August 30, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28855451/impact-of-dual-antiplatelet-therapy-beyond-1-year-on-clinical-outcomes-of-patients-with-stent-fracture-or-peri-stent-contrast-staining-after-sirolimus-eluting-stent-implantation
#11
Yasushi Fuku, Kazushige Kadota, Hidewo Amano, Shunsuke Kubo, Suguru Otsuru, Seiji Habara, Takeshi Tada, Hiroyuki Tanaka, Tsuyoshi Goto
BACKGROUND: Stent fracture (SF) and peri-stent contrast staining (PSS) after sirolimus-eluting stent (SES) implantation are considered to be related to very late stent thrombosis (VLST). How dual antiplatelet therapy (DAPT) beyond 1 year affects the clinical outcomes of patients with SF or PSS remains unclear.Methods and Results:Based on their DAPT status, 1,962 patients undergoing SES implantation were classified as on-thienopyridine (n=1,404) or off-thienopyridine (n=558). The 6-year incidence of VLST was significantly lower in the on-thienopyridine patients (0...
August 31, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28853033/dual-antiplatelet-therapy-duration-reconciling-the-inconsistencies
#12
REVIEW
Francesco Costa, Stephan Windecker, Marco Valgimigli
Dual antiplatelet therapy (DAPT) prevents recurrent ischemic events after an acute coronary syndrome (ACS) as well as stent thrombosis (ST) in patients with prior stent implantation. Nevertheless, these benefits are counterbalanced by a significant bleeding hazard, which is directly related to the treatment duration. Although DAPT has been extensively studied in numerous clinical trials, optimal treatment duration is still debated, mostly because of apparent inconsistencies among studies. Shortened treatment duration of 6 or 3 months was shown to mitigate bleeding risk compared with consensus-grounded 12-month standard duration, without any apparent excess of ischemic events...
August 29, 2017: Drugs
https://www.readbyqxmd.com/read/28852315/postoperative-bleeding-in-patients-on-antithrombotic-therapy-after-gastric-endoscopic-submucosal-dissection
#13
Chiko Sato, Kingo Hirasawa, Ryonho Koh, Ryosuke Ikeda, Takehide Fukuchi, Ryosuke Kobayashi, Hiroaki Kaneko, Makomo Makazu, Shin Maeda
AIM: To investigated the relationship between postoperative bleeding following gastric endoscopic submucosal dissection (ESD) and individual antithrombotic agents. METHODS: A total of 2488 gastric neoplasms in 2148 consecutive patients treated between May 2001 and June 2016 were studied. The antithrombotic agents were categorized into antiplatelet agents, anticoagulants, and other antithrombotic agents, and we included combination therapies [e.g., dual antiplatelet therapy (DAPT)]...
August 14, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28844033/state-of-the-art-duration-of-dual-antiplatelet-therapy-after-percutaneous-coronary-intervention-and-coronary-stent-implantation-past-present-and-future-perspectives
#14
Giuseppe Gargiulo, Marco Valgimigli, Davide Capodanno, John A Bittl
Evidence from studies published more than 10 years ago suggested that patients receiving first-generation drug-eluting stents (DES) needed dual antiplatelet therapy (DAPT) for at least 12 months. Current evidence from randomised controlled trials (RCT) reported within the past five years suggests that patients with stable ischaemic heart disease who receive newer-generation DES need DAPT for a minimum of three to six months. Patients who undergo stenting for an acute coronary syndrome benefit from DAPT for at least 12 months, but a Bayesian network meta-analysis confirms that extending DAPT beyond 12 months confers a trade-off between reduced ischaemic events and increased bleeding...
August 25, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28838471/risk-of-early-adverse-events-after-clopidogrel-discontinuation-in-patients-undergoing-short-term-dual%C3%A2-antiplatelet%C3%A2-therapy-an-individual-participant-data-analysis
#15
Raffaele Piccolo, Fausto Feres, Alexandre Abizaid, Martine Gilard, Marie-Claude Morice, Myeong-Ki Hong, Hyo-Soo Kim, Antonio Colombo, Deepak L Bhatt, Tullio Palmerini, Gregg W Stone, Stephan Windecker, Marco Valgimigli
OBJECTIVES: The study sought to evaluate the presence of a clinically relevant rebound phenomenon after dual antiplatelet therapy (DAPT) discontinuation in randomized trials. BACKGROUND: It is currently unknown whether clopidogrel discontinuation after short-term DAPT is associated with an early hazard of ischemic events. METHODS: The authors performed an individual participant data analysis and aggregate meta-analysis. The primary outcome was major adverse cardiac and cerebrovascular events (MACCE), defined as the composite of cardiac death, myocardial infarction (MI), or stroke...
August 28, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28836297/high-risk-of-stent-thrombosis-in-the-first-6-months-after-coronary-stenting-do-not-discontinue-clopidogrel-early-after-acs
#16
Bastiaan Zwart, Thea C Godschalk, Johannes C Kelder, Jurriën M Ten Berg
OBJECTIVES: To estimate the incidence of stent thrombosis (ST) after early discontinuation of clopidogrel. BACKGROUND: Premature discontinuation of clopidogrel is the strongest risk factor for ST. In contrast, recent studies suggest that shorter dual antiplatelet therapy (DAPT) can be discontinued as soon as 3 months after stenting. However, these studies included very few ACS patients and were not powered for ST. Hence, little is known about the occurrence of ST in high-risk populations when DAPT is discontinued early...
August 23, 2017: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/28832589/a-counseling-program-on-nuisance-bleeding-improves-quality-of-life-in-patients-on-dual-antiplatelet-therapy-a-randomized-controlled-trial
#17
Simone Biscaglia, Elisabetta Tonet, Rita Pavasini, Matteo Serenelli, Giulia Bugani, Paolo Cimaglia, Francesco Gallo, Giosafat Spitaleri, Annamaria Del Franco, Giorgio Aquila, Francesco Vieceli Dalla Sega, Matteo Tebaldi, Carlo Tumscitz, Roberto Ferrari, Gianluca Campo
BACKGROUND: Nuisance bleeding is a major determinant of quality of life and drug discontinuation in patients on dual antiplatelet therapy (DAPT). However, no randomized trial has been focused on the impact of nuisance bleeding on quality of life. METHODS: BATMAN is an investigator-driven, randomized, controlled, single-center, open trial (NCT02554006). Four hundred and forty-eight consecutive patients with indication to at least 6 months of DAPT were randomized to: i) multimodal counseling program focused on nuisance bleedings (interventional arm); ii) usual discharge process (control arm)...
2017: PloS One
https://www.readbyqxmd.com/read/28830706/underutilization-of-antiplatelet-and-statin-therapy-after-postoperative-myocardial-infarction-following-vascular-surgery
#18
Andrea M Steely, Peter W Callas, Patrick K Hohl, David J Schneider, Randall R De Martino, Daniel J Bertges
OBJECTIVE: The objective of this study was to investigate adherence to practice guidelines for antiplatelet and statin use after postoperative myocardial infarction (POMI) and its effect on late mortality following vascular surgery in a multicenter registry. METHODS: Antiplatelet and statin use was examined in 1749 vascular surgery procedures with POMI within the Vascular Quality Initiative (VQI) from 2005 to 2015. Our primary aim was to assess cardiac medication (CM) use at discharge, defined as (1) single antiplatelet therapy (SAPT; aspirin or P2Y12 inhibitor) or dual antiplatelet therapy (DAPT; aspirin and P2Y12 inhibitor) and (2) statin therapy...
August 19, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28827097/unipotent-progenitors-contribute-to-the-generation-of-sensory-cell-types-in-the-nervous-system-of-the-cnidarian-nematostella-vectensis
#19
Henriette Busengdal, Fabian Rentzsch
Nervous systems often consist of a large number of different types of neurons which are generated from neural stem and progenitor cells by a series of symmetric and asymmetric divisions. The origin and early evolution of these neural progenitor systems is not well understood. Here we use a cnidarian model organism, Nematostella vectensis, to gain insight into the generation of neural cell type diversity in a non-bilaterian animal. We identify NvFoxQ2d as a transcription factor that is expressed in a population of spatially restricted, proliferating ectodermal cells that are derived from NvSoxB(2)-expressing neural progenitor cells...
August 18, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28826683/perioperative-management-of-dual-antiplatelet-therapy-in-patients-with-new-generation-drug-eluting-metallic-stents-and-bioresorbable-vascular-scaffolds-undergoing-elective-noncardiac-surgery
#20
REVIEW
Michael Essandoh, Adam A Dalia, Mazen Albaghdadi, Barry George, Nicoleta Stoicea, Muhammad Shabsigh, Sunil V Rao
Dual-antiplatelet therapy (DAPT) is considered mandatory after new-generation drug-eluting coronary stent implantation to reduce ischemic complications such as stent thrombosis, but the need for DAPT makes the timing of elective surgery difficult. Interrupting DAPT places patients at risk for stent thrombosis, and surgery in the setting of DAPT may lead to bleeding. The 2016 American College of Cardiology/American Heart Association guideline recommends delaying elective noncardiac surgery for a minimum 6-month period to reduce ischemic risks after the implantation of a second-generation metallic drug-eluting stent (DES)...
April 26, 2017: Journal of Cardiothoracic and Vascular Anesthesia
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