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Osiris Therapeutics

Jonathan Smedley, Georgina M Michael, Yeabsera G Tamire
Despite ongoing smoking cessation efforts and optimized perfusion, failed wound closure in the presence of peripheral arterial disease (PAD) and diabetes are common. A clinical effectiveness review was conducted in actively smoking diabetic patients diagnosed with PAD, treated with serial applications of a viable intact cryopreserved human placental membrane (vCPM) (Grafix, Osiris Therapeutics Inc, Columbia, MD) for recalcitrant lower extremity ulcerations (n = 6). More than half of the patients were not candidates for revascularization...
November 15, 2016: International Journal of Lower Extremity Wounds
K Suzuki, G Michael, Y Tamire
OBJECTIVE: Advances in wound treatment have yielded successful approaches to complex wound closure through plastic surgery or other staged surgical methods. However, not all patients or wounds are candidates for such increasingly rigorous levels of interventions. The exploration of non-surgical treatment options that promote anatomical and functional tissue replacement on an outpatient basis without donor site morbidity is necessary to maximise opportunities for patient mobility and rehabilitation...
October 2016: Journal of Wound Care
Ayarivan Puratchikody, Dharmaraj Sriram, Appavoo Umamaheswari, Navabshan Irfan
BACKGROUND: Drugs that inhibit cyclooxygenase-2 (COX-2) while sparing cyclooxygenase-1 (COX-1) represent a new attractive therapeutic development and offer new perspective for further use of COX-2 inhibitors. Intention of this work is to develop safer, selective COX-2 inhibitors that do not produce harmful effects. RESULTS: A series of 55 tyrosine derivatives were designed for evaluation as selective COX-2 inhibitors and investigated by in silico for their anti-inflammatory activities using C-Docker...
2016: Chemistry Central Journal
Ramya Sugumar, Abhinand Ponneri Adithavarman, Anusha Dakshinamoorthi, Darling Chellathai David, Padmavathi Kannan Ragunath
INTRODUCTION: Pneumocystis jirovecii is a fungus that causes Pneumocystis pneumonia in HIV and other immunosuppressed patients. Treatment of Pneumocystis pneumonia with the currently available antifungals is challenging and associated with considerable adverse effects. There is a need to develop drugs against novel targets with minimal human toxicities. Histone Acetyl Transferase (HAT) Rtt109 is a potential therapeutic target in Pneumocystis jirovecii species. HAT is linked to transcription and is required to acetylate conserved lysine residues on histone proteins by transferring an acetyl group from acetyl CoA to form e-N-acetyl lysine...
March 2016: Journal of Clinical and Diagnostic Research: JCDR
Osiris Marroquin Belaunzaran, Sascha Kleber, Stefan Schauer, Martin Hausmann, Flora Nicholls, Maries Van den Broek, Sravan Payeli, Adrian Ciurea, Simon Milling, Frank Stenner, Jackie Shaw, Simon Kollnberger, Paul Bowness, Ulf Petrausch, Christoph Renner
OBJECTIVES: HLA-B27 is a common genetic risk factor for the development of Spondyloarthritides (SpA). HLA-B27 can misfold to form cell-surface heavy chain homodimers (B272) and induce pro-inflammatory responses that may lead to SpA pathogenesis. The presence of B272 can be detected on leukocytes of HLA-B27+ Ankylosing spondylitis (AS) patients and HLA-B27 transgenic rats. We characterized a novel B272-specific monoclonal antibody to study its therapeutic use in HLA-B27 associated disorders...
2015: PloS One
Alberto Morales-Salinas, Fernando Wyss, Antonio Coca, Agustín J Ramírez, Osiris Valdez, Luis F Valerio
Between the end of 2013 and the beginning of 2014 the most internationally influential hypertension guidelines were published. Although there are no major differences between them, there are discrepancies that can have an impact on treatment and prognosis for individuals with hypertension. This article analyzes the main controversial elements in the guides and presents the recommendations of the Sociedad Centroamericana y del Caribe de Hipertensión y Prevención Cardiovascular (Caribbean Society for Hypertension and Cardiovascular Prevention)...
March 2015: Revista Panamericana de Salud Pública, Pan American Journal of Public Health
Abraham Edgar Gracia-Ramos, María Pilar Cruz-Domínguez, Eduardo Osiris Madrigal-Santillán, José Antonio Morales-González, Olga Lidia Vera-Lastra
Diabetes is a global health problem and Mexico rank sixth in prevalence of this entity. In our country, is the leading cause of death and is a major cause of hospital care being responsible for about 1 in 5 discharges. In the hospital setting, it has been observed that hyperglycemia, both diabetic and non-diabetic patients, is associated with an increased risk of complications, disability and death, and that adequate control in the blood glucose level produces a reduction in these complications. With these bases, several associations have recommended the treatment of hospital hyperglycemia through insulin administration, with the therapeutic goal of maintaining a fasting blood glucose level between 100-140 mg/dL and glucose at any time of day less than 180 mg/dL...
March 2015: Revista Médica del Instituto Mexicano del Seguro Social
Laura de Andrade Moura, Ana Carolina Marqui de Almeida, Thaisa Francielle Souza Domingos, Fredy Ortiz-Ramirez, Diana Negrão Cavalcanti, Valéria Laneuville Teixeira, André Lopes Fuly
Cardiovascular diseases represent a major cause of disability and death worldwide. Therapeutics are available, but they often have unsatisfactory results and may produce side effects. Alternative treatments based on the use of natural products have been extensively investigated, because of their low toxicity and side effects. Marine organisms are prime candidates for such products, as they are sources of numerous and complex substances with ecological and pharmacological effects. In this work, we investigated, through in vitro experiments, the effects of three diterpenes (pachydictyol A, isopachydictyol A and dichotomanol) from the Brazilian marine alga, Dictyota menstrualis, on platelet aggregation and plasma coagulation...
May 2014: Marine Drugs
Radhika Tippani, Laxmi Jaya Shankar Prakhya, Mahendar Porika, Kalam Sirisha, Sadanandam Abbagani, Christopher Thammidala
Pterostilbene is a naturally occurring dimethyl ether analog of resveratrol identified in several plant species. Telomerase is important in tumor initiation and cellular immortalization. Given the striking correlations between telomerase activity and proliferation capacity in tumor cells, telomerase had been considered as a potentially important molecular target in cancer therapeutics. Molecular docking studies were performed on pterostilbene with the crystal structure of telomerase (3DU6). Pterostilbene was evaluated for its in vitro cytotoxicity in breast (MCF7) and lung cancer (NCI H-460) cell lines, antimitotic activity in green grams and telomerase activity...
2014: Current Pharmaceutical Biotechnology
Petra C Schuberth, Christian Hagedorn, Shawn M Jensen, Pratiksha Gulati, Maries van den Broek, Axel Mischo, Alex Soltermann, Astrid Jüngel, Osiris Marroquin Belaunzaran, Rolf Stahel, Christoph Renner, Ulf Petrausch
INTRODUCTION: Malignant pleural mesothelioma (MPM) is an incurable malignant disease, which results from chronic exposition to asbestos in at least 70% of the cases. Fibroblast activation protein (FAP) is predominantly expressed on the surface of reactive tumor-associated fibroblasts as well as on particular cancer types. Because of its expression on the cell surface, FAP is an attractive target for adoptive T cell therapy. T cells can be re-directed by retroviral transfer of chimeric antigen receptors (CAR) against tumor-associated antigens (TAA) and therefore represent a therapeutic strategy of adoptive immunotherapy...
2013: Journal of Translational Medicine
Jongwoo Lee, Myungchul Song, Sujeong Hong
Rhodopsin has been used as a prototype system to investigate G protein-coupled receptor (GPCR) internalization and endocytic sorting mechanisms. Failure of rhodopsin recycling upon light activation results in various degenerative retinal diseases. Accumulation of internalized rhodopsin in late endosomes and the impairment of its lysosomal degradation are associated with unregulated cell death that occurs in dystrophies. However, the molecular basis of rhodopsin accumulation remains elusive. We found that the novel norpA(P24) suppressor, diehard4, is responsible for the inability of endo-lysosomal rhodopsin trafficking and retinal degeneration in Drosophila models of retinal dystrophies...
June 2013: PLoS Genetics
Jacques Galipeau
The use of cryopreserved unmatched allogeneic mesenchymal stromal cells (MSCs) for treatment of steroid-resistant graft-versus-host disease has become medical practice in many European jurisdictions. The enthusiasm for use of MSCs in transplantation medicine builds on compelling phase II clinical trial data published by European collaborative groups in the past few years. Notwithstanding, it was reported in 2009 that a large multicenter phase III clinical trial (NCT00366145) conducted in the USA examining the use of an industrial MSC product (Prochymal; Osiris Therapeutics, Inc...
January 2013: Cytotherapy
Bart Vaes, Wouter Van't Hof, Robert Deans, Jef Pinxteren
The last decade has seen much progress in adjunctive cell therapy for immune disorders. Both corporate and institutional Phase III studies have been run using mesenchymal stromal cells (MSC) for treatment of Graft versus Host Disease (GvHD), and product approval has been achieved for treatment of pediatric GvHD in Canada and New Zealand (Prochymal(®); Osiris Therapeutics). This effectiveness has prompted the prophylactic use of adherent stem cells at the time of allogeneic hematopoietic stem cell transplantation (HSCT) to prevent occurrence of GvHD and possibly provide stromal support for hematopoietic recovery...
2012: Frontiers in Immunology
Daniel J Weiss, Richard Casaburi, Robin Flannery, Michelle LeRoux-Williams, Donald P Tashkin
BACKGROUND: COPD is a devastating disease affecting millions worldwide. As disease pathogenesis includes both chronic pulmonary and systemic inflammation, antiinflammatory effects of systemically administered mesenchymal stem cells (MSCs) may decrease inflammation, resulting in improved lung function and quality of life. The goal of this study was to assess safety and to perform an initial evaluation of the potential efficacy of systemic MSC administration to patients with moderate to severe COPD...
June 2013: Chest
Daniel Knowlton
The Fifth Annual Stem Cell Summit, held in New York, included topics covering new commercial developments in the research field of stem cell-based therapies. This conference report highlights selected presentations on embryonic and adult stem cells, stem cell-based therapies for the treatment of orthopedic and cardiovascular indications and inflammatory diseases, as well as technologies for processing and storing stem cells. Investigational therapies discussed include placental expanded (PLX) cells (Pluristem Therapeutics Inc), StemEx (Gamida-Teva Joint Venture/Teva Pharmaceutical Industries Ltd) and remestemcel-L (Osiris Therapeutics Inc/Genzyme Corp/JCR Pharmaceuticals Co Ltd/ Mochida Pharmaceutical Co Ltd)...
April 2010: IDrugs: the Investigational Drugs Journal
Joshua M Hare, Jay H Traverse, Timothy D Henry, Nabil Dib, Robert K Strumpf, Steven P Schulman, Gary Gerstenblith, Anthony N DeMaria, Ali E Denktas, Roger S Gammon, James B Hermiller, Mark A Reisman, Gary L Schaer, Warren Sherman
OBJECTIVES: Our aim was to investigate the safety and efficacy of intravenous allogeneic human mesenchymal stem cells (hMSCs) in patients with myocardial infarction (MI). BACKGROUND: Bone marrow-derived hMSCs may ameliorate consequences of MI, and have the advantages of preparation ease, allogeneic use due to immunoprivilege, capacity to home to injured tissue, and extensive pre-clinical support. METHODS: We performed a double-blind, placebo-controlled, dose-ranging (0...
December 8, 2009: Journal of the American College of Cardiology
Philippe Taupin
Osiris Therapeutics is developing the donor-derived mesenchymal stem cell (MSC) therapy OTI-010, which repopulates the bone marrow stroma and thus supports engraftment of hematopoietic stem cells from the same donor. This stem cell therapy, which has been awarded Orphan Drug status, is currently in development for the potential enhancement of bone marrow transplants in cancer patients, for the prevention of graft versus host disease (GVHD), and for the treatment of Crohn's disease. Japanese licensee JCR Pharmaceuticals is investigating the therapy for the potential treatment of GVHD in patients undergoing bone marrow transplantation to treat leukemia...
May 2006: Current Opinion in Investigational Drugs
Lyndon F Cooper, Yongsheng Zhou, Jun Takebe, Juanli Guo, Armin Abron, Anders Holmén, Jan Eirik Ellingsen
Increasing bone formation at endosseous titanium implants may be achieved by modification of topographically enhanced surfaces. The aim of this study was to determine the effect of fluoride ion modification of TiO2 grit-blasted, c.p. titanium implants on osteoblastic differentiation and interfacial bone formation by parallel in vitro and in vivo investigations. Human mesenchymal stem cells (Osiris Therapeutics, Inc.) were cultured on TiO2 grit-blasted c.p.titanium disks with and without fluoride ion modification...
February 2006: Biomaterials
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