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https://www.readbyqxmd.com/read/28339096/pathogenesis-and-management-of-antiphospholipid-syndrome
#1
REVIEW
Deepa R J Arachchillage, Mike Laffan
Antiphospholipid antibodies are a heterogeneous group of autoantibodies that have clear associations with thrombosis and pregnancy morbidity, and which together constitute the 'antiphospholipid syndrome' (APS). However, the pathophysiology of these complications is not well understood and their heterogeneity suggests that more than one pathogenic process may be involved. Diagnosis remains a combination of laboratory analysis and clinical observation but there have been significant advances in identifying specific pathogenic features, such as domain I-specific anti-β2-glycoprotein-I antibodies...
March 24, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28332959/de-novo-donor-specific-antibody-formation-in-tacrolimus-based-mycophenolate-versus-mammalian-target-of-rapamycin-immunosuppressive-regimens
#2
Zain Mithani, Jane Gralla, Oluwafisayo Adebiyi, Patrick Klem, James E Cooper, Alexander C Wiseman
OBJECTIVES: De novo donor-specific antibody formation posttransplant is associated with decreased graft survival. It is not known whether mammalian target of rapamycin inhibitors may be advantageous or detrimental compared with mycophenolate in the prevention of de novo donor-specific antibody formation. MATERIALS AND METHODS: We compared 66 kidney and kidney-pancreas transplant recipients who received tacrolimus, mammalian target of rapamycin inhibitor, and prednisone (group 1; 36 of whom received everolimus and 30 of whom received sirolimus) versus 132 patients who received tacrolimus, mycophenolate, and prednisone (group 2) matched for age, sex, race, and type/timing of transplant from 2007 to 2012...
March 22, 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/28327450/impact-of-attenuated-signal-plaque-observed-by-intravascular-ultrasound-on-vessel-response-after-drug-eluting-stent-implantation
#3
Hideki Kitahara, Katsuhisa Waseda, Kenji Sakamoto, Ryotaro Yamada, Ching-Chang Huang, Daisaku Nakatani, Kenji Sakata, Osami Kawarada, Paul G Yock, Yutaka Matsuyama, Hiroyoshi Yokoi, Masato Nakamura, Toshiya Muramatsu, Shinsuke Nanto, Peter J Fitzgerald, Yasuhiro Honda
BACKGROUND AND AIMS: The aim of this study was to investigate the impact of attenuated-signal plaque (ASP) observed by intravascular ultrasound (IVUS) on vessel response after drug-eluting stent implantation. METHODS: Data were derived from the IVUS cohort of the J-DESsERT trial comparing paclitaxel- and sirolimus-eluting stents. Serial IVUS analysis (pre- and post-intervention, and 8-month follow-up) was performed in 136 non-AMI lesions. ASP was defined as hypoechoic plaque with ultrasound attenuation without calcification...
February 20, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28318138/safety-and-efficacy-of-6-month-versus-12-month-dual-antiplatelet-therapy-in-patients-after-implantation-of-multiple-biodegradable-polymer-coated-sirolimus-eluting-coronary-stents-insight-from-the-i-love-it-2-trial
#4
Jing Qi, Yi Li, Jing Li, Quanmin Jing, Kai Xu, Chuanyu Gao, Likun Ma, Zhi Zhang, Bo Xu, Yaling Han
OBJECTIVE: This study sought to compare the clinical outcomes of 6-month versus 12-month dual antiplatelet therapy (DAPT) in patients receiving multiple biodegradable polymer-coated sirolimus-eluting stents (BP-SES) implants. BACKGROUND: The clinical outcomes for patients who undergo multiple BP-SES implantation with different DAPT durations are uncertain. METHODS: In the I-LOVE-IT 2 trial, 907 patients treated with multiple BP-SES (total stent number ≥2) were assigned to receive 6-month (n = 440) or 12-month (n = 467) DAPT...
March 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28317380/systems-biology-reveals-ns4b-cyclophilin-a-interaction-a-new-target-to-inhibit-yfv-replication
#5
Alessandra Vidotto, Ana T S Morais, Milene Rocha Ribeiro, Carolina C Pacca, Ana C B Terzian, Laura H V G Gil, Ronaldo Mohana-Borges, Philippe Gallay, Mauricio L Nogueira
Yellow fever virus (YFV) replication is highly dependent upon host cell factors. YFV NS4B is reported to be involved in viral replication and immune evasion. Here, interactions between NS4B and human proteins were determined using a GST pull-down assay and analyzed using 1- DE and LC-MS/MS. We present a total of 207 proteins confirmed using Scaffold 3 Software. Cyclophilin A (CypA), a protein which has been shown to be necessary for the positive regulation of flavivirus replication, was identified as a possible NS4B partner...
March 20, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28315123/coronary-stents-in-diabetic-patients-state-of-the-knowledge
#6
REVIEW
Pablo Codner, Hitinder Singh Gurm, Apurva Motivala
PURPOSE OF REVIEW: This review article aims to summarize the findings of the most relevant research that compared the use of paclitaxel vs. "limus" based drug eluting stent (DES) in diabetic patients and to define the current state of knowledge with new stent technologies in this patient population. RECENT FINDINGS: Since drug eluting stents (DES) were introduced, it has been of great interest to establish whether paclitaxel or sirolimus eluting stents have the same safety and efficacy features for patients with coronary artery disease...
April 2017: Current Cardiology Reports
https://www.readbyqxmd.com/read/28302466/bioflow-iii-satellite-one-year-clinical-outcomes-of-diabetic-patients-treated-with-a-biodegradable-polymer-sirolimus-eluting-stent-and-comprehensive-medical-surveillance
#7
Ran Kornowski, Ariel Roguin, Haim Danenberg, Hana Vaknin Assa, Eitan Abergel, Eliezer Rozenbaum, Victor Guetta, Uri Landes, Refat Jabara, Amnon Merdler, Amit Segev, Morris Mosseri, Abid Assali
BACKGROUND: Drug-eluting stents with biodegradable polymer might be particularly useful in diabetic patients who are at increased risk for target lesion/target vessel revascularization. We therefore aimed at assessing the safety and performance of a biodegradable polymer sirolimus-eluting stent (BP-SES) in combination with comprehensive optimal medical therapy following coronary interventions. METHODS: This prospective, multicenter registry was conducted at six centers in Israel...
February 21, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28300419/dried-blood-spot-validation-of-five-immunosuppressants-without-hematocrit-correction-on-two-lc-ms-ms-systems
#8
Remco A Koster, Herman Veenhof, Rixt Botma, Alle Tjipke Hoekstra, Stefan P Berger, Stephan Jl Bakker, Jan-Willem C Alffenaar, Daan J Touw
AIM: Hematocrit (Ht) effects remain a challenge in dried blood spot (DBS) sampling. The aim was to develop an immunosuppressant DBS assay on two LC-MS/MS systems covering a clinically relevant Ht range without Ht correction. RESULTS: The method was partially validated for tacrolimus, sirolimus, everolimus, cyclosporin A and fully validated for mycophenolic acid on an Agilent and Thermo LC-MS/MS system. Bias caused by Ht effects were within 15% for all immunosuppressants between Ht levels of 0...
March 16, 2017: Bioanalysis
https://www.readbyqxmd.com/read/28282713/treatment-of-an-early-kaposi-s-sarcoma-case-post-kidney-transplantation-by-sirolimus-a-case-report
#9
Farzaneh Najafi, Parichehr Kafaie, Hossein Neamatzadeh
Kaposi᾽s sarcoma (KS) can develop in 0.06% to 4.1% of kidney transplant recipients. Here we describe a case of 50-year-old man who developed KS a few months after kidney transplantation. After transplantation, he had delayed graft function and was managed by anti-thymocyte globulin (ATG) for five days. At the discharge, his immunosuppressive therapy was prednisolone 20 mg/day, tTacrolimus (Pprograf®) 4 mg/day, and mycophenolate mofetil (MMF) 2 gr/day, while he also took Vvalcyte and diltiazem. Once diagnosed with KS, the Prograf® (tacrolimus)  was replaced by prednisolone (5 mg/day) and sirolimus (2 mg/day)...
February 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/28279316/the-remedee-oct-study-an-evaluation-of-the-bioengineered-combo-dual-therapy-cd34-antibody-covered-sirolimus-eluting-coronary-stent-compared-with-a-cobalt-chromium-everolimus-eluting-stent-in-patients-with-acute-coronary-syndromes-insights-from-optical-coherence
#10
Milosz Jaguszewski, Romila Aloysius, Wei Wang, Hiram G Bezerra, Jonathan Hill, Robbert J De Winter, Pasi P Karjalainen, Stefan Verheye, William Wijns, Thomas F Lüscher, Michael Joner, Marco Costa, Ulf Landmesser
OBJECTIVES: The aim of the present study was to evaluate vascular healing of the bioengineered COMBO Dual Therapy Stent compared with a cobalt-chromium (CoCr) everolimus-eluting stent (EES) as assessed by optical coherence tomography in patients with acute coronary syndromes. BACKGROUND: CD34+ cells promote endothelial repair after vascular injury. The bioengineered COMBO Dual Therapy Stent combines CD34+ cell-capturing technology with abluminal sirolimus release, but more data from clinical studies evaluating the vascular response are needed...
March 13, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28279314/meta-analysis-of-randomized-clinical-trials-comparing-biodegradable-polymer-drug-eluting-stent-to-second-generation-durable-polymer-drug-eluting-stents
#11
Georges El-Hayek, Sripal Bangalore, Abel Casso Dominguez, Chandan Devireddy, Wissam Jaber, Gautam Kumar, Kreton Mavromatis, Jacqueline Tamis-Holland, Habib Samady
OBJECTIVES: The authors sought to perform a meta-analysis of randomized clinical trials (RCTs) comparing the safety and efficacy of biodegradable polymer drug-eluting stents (BP-DES) to second-generation durable polymer drug-eluting stents (DP-DES). BACKGROUND: Prior meta-analyses have established the superiority of BP-DES over bare-metal stents and first-generation DP-DES; however, their advantage compared with second-generation DP-DES remains controversial. METHODS: The authors searched PubMed and Scopus databases for RCTs comparing BP-DES to the second-generation DP-DES...
March 13, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28277818/extraction-of-rapamycin-sirolimus-from-streptomyces-rapamycinicus-using-ultrasound
#12
Amol S More, Sagar Gadalkar, Virendra K Rathod
The study was designed to investigate the use of Ultrasound to assisted extraction (UAE) of Rapamycin (sirolimus) from bacterial strain of Streptomyces rapamycinicus NRRL 5491. To achieve the maximum extraction yield, various parameters were optimized which includes Streptomyces rapamycinicus(10 g) of biomass in toluene (50 mL), temperature (20°C), electrical acoustic intensity (35.67 W/cm(2)) and duty cycle (40%) for 4 min with probe tip length of 0.5 cm dipped in to extraction solvent from the surface...
March 9, 2017: Preparative Biochemistry & Biotechnology
https://www.readbyqxmd.com/read/28273994/a-report-of-successful-procedural-clinical-and-angiographic-outcomes-with-a-tapered-stent-of-a-patient-in-naturally-tapered-coronary-vessel
#13
Rajendra Kumar Premchand, Yerra Shiv Kumar
In cases involving stenosis or occlusions in major parts of a long vessel, natural tapering of coronary vessels may create dilemma in deciding the optimal stent size during percutaneous coronary intervention. In this regard, tapered stents have been developed recently. Herein, we present a case of 67-year-old male patient with triple vessel disease including two tandem lesions in naturally tapered Left Anterior Descending (LAD) artery. The patient received a 3.0-2.5x60 mm Sirolimus-eluting BioMime Morph stent (Meril life Sciences, Gujarat, India) in the mid-distal LAD lesion along with conventional stent implantations in other two lesions...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28269995/zedoary-guaiane-type-sesquiterpenes-eluting-stents-accelerate-endothelial-healing-without-neointimal-hyperplasia-in-a-porcine-coronary-artery-model
#14
Yuanyuan Cui, Fuhai Zhao, Jiangang Liu, Xin Wang, Jianpeng Du, Dazhuo Shi, Keji Chen
OBJECTIVE: The effects of zedoary guaiane-type sesquiterpenes (ZGS)-based eluting stent (ZES) in accelerating reendothelialization and inhibiting neointimal hyperplasia were examined in a porcine coronary artery model. METHODS: The ZES was prepared by polymer-free 316L stainless metal stents. Sirolimus-eluting stents (SES) and bare metal stents (BMS) with identical platforms were used as controls. Stents with 15 mm in length and 2.0 to 3.5 mm in diameter were implanted in porcine coronary arteries...
January 1, 2017: Journal of Cardiovascular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28267088/sirolimus-as-an-effective-agent-in-the-treatment-of-immune-thrombocytopenia-itp-and-evans-syndrome-es-a-single-institution-s-experience
#15
Sylwia Jasinski, Mark E Weinblatt, Chana L Glasser
BACKGROUND: Autoimmune cytopenias are characterized by immune-mediated destruction of hematopoietic cell lines with immune thrombocytopenia (ITP) affecting platelets and Evans syndrome (ES) affecting platelets and red blood cells. For patients with persistent disease, limited options for effective and well-tolerated therapies exist. OBJECTIVES: Our aim is to describe our institution's experience with sirolimus as therapy for pediatric patients with persistent ITP and ES...
March 6, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28265401/the-different-features-of-angiographic-peri-stent-contrast-staining-after-implantation-of-sirolimus-eluting-stents
#16
Michiya Kageyama, Shichiro Abe, Iwamatsu Koichi, Hiroaki Nishida, Satoshi Kiozumi, Takahisa Nasuno, Shuichi Yoneda, Masashi Sakuma, Teruo Inoue
If we had a case with angiographic peri-stent contrast staining(PSS)s after the first-generation sirolimus-eluting stent, we need a further observation using coronary imaging modalities to evaluate the risk of very late stent thrombosis due to PSSs and to continue or to resume the dual antiplatelet therapy if necessary.
March 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28265043/author-response-sirolimus-for-epilepsy-in-children-with-tuberous-sclerosis-complex-a-randomized-controlled-trial
#17
Marie-Claire Y de Wit, Iris E Overwater
No abstract text is available yet for this article.
March 7, 2017: Neurology
https://www.readbyqxmd.com/read/28265042/letter-re-sirolimus-for-epilepsy-in-children-with-tuberous-sclerosis-complex-a-randomized-controlled-trial
#18
Li-Ping Zou, Yu-Tian Liu
No abstract text is available yet for this article.
March 7, 2017: Neurology
https://www.readbyqxmd.com/read/28263820/patterns-of-disease-monitoring-and-treatment-among-patients-with-tuberous-sclerosis-complex-related-angiomyolipomas
#19
Elyse Swallow, Sarah King, Jinlin Song, Miranda Peeples, James E Signorovitch, Zhimei Liu, Judith Prestifilippo, Michael Frost, Michael Kohrman, Bruce Korf, Darcy Krueger, Steven Sparagana
OBJECTIVE: To use the tuberous sclerosis complex (TSC) Natural History Database to describe monitoring and treatment patterns among patients with TSC-related angiomyolipomas (AMLs). METHODS: This study used the TSC Natural History Database, which contains demographics, affected areas, diagnosis, and treatments for more than 1300 patients with TSC enrolled in 16 participating clinics during 2006-2013. Patient characteristics, AML monitoring tests, and AML treatments were assessed...
March 2, 2017: Urology
https://www.readbyqxmd.com/read/28263222/mtor-and-cardiovascular-diseases-diabetes-mellitus
#20
Bruno Vergès
The mammalian targets of rapamycin (mTOR) inhibitors are potent immunosuppressors used for prevention of acute rejection following transplantation and have been more recently used as anticancer drugs. mTOR inhibitors have a significant impact on glucose metabolism and induce frequently diabetes. mTOR inhibitors, when used as immunosuppressive agents (sirolimus, everolimus), can induce diabetes with an incidence which is low when used without calcineurin inhibitors (CNI) but high when used in combination with CNI (from 11...
March 4, 2017: Transplantation
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