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https://www.readbyqxmd.com/read/28432571/cell-therapy-for-type-1-diabetes-current-and-future-strategies
#1
REVIEW
Yasaman Aghazadeh, Maria Cristina Nostro
PURPOSE OF THE REVIEW: Type 1 diabetes (T1D) is defined by an autoimmune destruction of insulin producing β-cells located in the endocrine part of the pancreas, the islets of Langerhans. As exogenous insulin administration fails at preventing severe complications associated with this disease, cell replacement therapies are being considered as a means to treat T1D. The purpose of this manuscript is to review the challenges associated with current strategies and discuss the potential of stem cell therapy for the treatment of T1D...
June 2017: Current Diabetes Reports
https://www.readbyqxmd.com/read/28428886/vaccination-with-inhibin-%C3%AE-provides-effective-immunotherapy-against-testicular-stromal-cell-tumors
#2
Robert Aguilar, Justin M Johnson, Patrick Barrett, Vincent K Tuohy
BACKGROUND: Testicular cancer is the most common male neoplasm occurring in men between the ages of 20 and 34. Although germ-line testicular tumors respond favorably to current standard of care, testicular stromal cell (TSC) tumors derived from Sertoli cells or Leydig cells often fail to respond to chemotherapy or radiation therapy and have a 5-year overall survival significantly lower than the more common and more treatable germ line testicular tumors. METHODS: To improve outcomes for TSC cancer, we have developed a therapeutic vaccine targeting inhibin-α, a protein produced by normal Sertoli and Leydig cells of the testes and expressed in the majority of TSC tumors...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28422836/fecal-microbiota-transplantation-is-a-rescue-treatment-modality-for-refractory-ulcerative-colitis
#3
Ahmet Uygun, Kadir Ozturk, Hakan Demirci, Cem Oger, Ismail Yasar Avci, Turker Turker, Mustafa Gulsen
BACKGROUND: Fecal microbial transplantation (FMT) provides to replace beneficial bacteria with more favorable microbiomes in recipient with dysbiosis. The aim of the present study was to prospectively investigate the efficacy of FMT by assessing the clinical and endoscopic response in patients with ulcerative colitis (UC) who had failed anti-inflammatory and immunosuppressive therapy. METHODS: In this prospective and uncontrolled study, 30 patients with UC were included...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28413579/metabolic-recovery-of-the-failing-heart-emerging-therapeutic-options
#4
Dale J Hamilton
Heart failure has mortality rates that parallel those of breast cancer. Current management strategies include neurohormonal blockade, rate control measures, natriuretic peptide preservation, implantation of mechanical assist devices, and heart transplantation. Despite these strategies, however, the failing myocardium remains energy depleted. New strategies to promote metabolic recovery are being developed to potentially augment current treatment guidelines. For example, an unexpected finding of our own studies showed that mechanical unloading with assist devices in advanced-stage heart failure restored metabolic flux...
January 2017: Methodist DeBakey Cardiovascular Journal
https://www.readbyqxmd.com/read/28410548/two-year-clinical-outcome-of-500-consecutive-cases-undergoing-descemet-membrane-endothelial-keratoplasty
#5
Jorge Peraza-Nieves, Lamis Baydoun, Isabel Dapena, Abbas Ilyas, Laurence E Frank, Salvatore Luceri, Lisanne Ham, Silke Oellerich, Gerrit R J Melles
PURPOSE: To evaluate the clinical outcome of 500 consecutive cases up to 2 years after Descemet membrane endothelial keratoplasty (DMEK) and to assess which parameters may have influenced the clinical outcome. METHODS: From a group of 500 eyes (393 patients), which underwent DMEK for Fuchs endothelial corneal dystrophy (FECD), bullous keratopathy, failed corneal transplants and other indications, clinical outcomes [best-corrected visual acuity (BCVA), central endothelial cell density (ECD), and central corneal thickness] were evaluated before, and at 6, 12, and 24 months after DMEK and postoperative complications were documented...
April 12, 2017: Cornea
https://www.readbyqxmd.com/read/28410318/characteristics-and-outcome-of-patients-after-allogeneic-hematopoietic-stem-cell-transplantation-treated-with-extracorporeal-membrane-oxygenation-for-acute-respiratory-distress-syndrome
#6
Philipp Wohlfarth, Gernot Beutel, Pia Lebiedz, Hans-Joachim Stemmler, Thomas Staudinger, Matthieu Schmidt, Matthias Kochanek, Tobias Liebregts, Fabio Silvio Taccone, Elie Azoulay, Alexandre Demoule, Stefan Kluge, Morten Svalebjørg, Catherina Lueck, Johanna Tischer, Alain Combes, Boris Böll, Werner Rabitsch, Peter Schellongowski
OBJECTIVES: The acute respiratory distress syndrome is a frequent condition following allogeneic hematopoietic stem cell transplantation. Extracorporeal membrane oxygenation may serve as rescue therapy in refractory acute respiratory distress syndrome but has not been assessed in allogeneic hematopoietic stem cell transplantation recipients. DESIGN: Multicenter, retrospective, observational study. SETTING: ICUs in 12 European tertiary care centers (Austria, Germany, France, and Belgium)...
May 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28408615/phase-ii-study-of-bortezomib-in-combination-with-cyclophosphamide-and-rituximab-for-relapsed-or-refractory-mantle-cell-lymphoma
#7
Hun Ju Lee, Jorge E Romaguera, Lei Feng, Aakash P Desai, Liang Zhang, Michelle Fanale, Felipe Samaniego, Fredrick B Hagemeister, Luis E Fayad, Maria A Rodriguez, Jeffrey L Medeiros, Kimberly Hartig, Krystle Nomie, Makhdum Ahmed, Maria Badillo, Haige Ye, Yasuhiro Oki, Pei Lin, Loretta Nastoupil, Jason Westin, Michael Wang
BACKGROUND: Relapsed or refractory mantle cell lymphoma (MCL) has a poor prognosis. The best outcome is achieved in patients who have a partial or complete response to salvage treatment and proceed to allogeneic stem cell transplant. PATIENTS AND METHODS: Twenty-one patients were given a combination regimen of bortezomib, cyclophosphamide, and rituximab at MD Anderson Cancer Center as part of a single-arm, prospective, open-label phase II clinical trial. The median age was 66 years, with a median number of prior treatments of three...
April 13, 2017: Oncologist
https://www.readbyqxmd.com/read/28406876/cartilage-restoration-techniques-for-the-patellofemoral-joint
#8
Robert H Brophy, Robert D Wojahn, Joseph D Lamplot
Symptomatic osteochondral lesions of the patellofemoral joint are clinically challenging to manage because of the limited healing potential of articular cartilage; the complex morphology of the patellofemoral joint; the heterogeneity of the articular surface between patients; and high stresses across the joint, which can be altered by malalignment, tilt, or maltracking. Indications for surgery include traumatic lesions, osteochondritis dissecans, and high-grade chondromalacia in association with persistent pain despite a course of nonsurgical management...
May 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28401099/physicians-preferences-and-perceptions-regarding-donor-selection-in-allogeneic-stem-cell-transplantation-in-korea-when-a-matched-domestic-donor-is-not-available
#9
Min Kyung Shin, Sangjin Shin, Ja Youn Lee, Youngil Koh
BACKGROUND: A number of alternative donor options exist for patients who fail to find domestic HLA-matched donors for allogeneic hematopoietic stem cell transplantation (allo-HSCT). We assessed physicians' perspectives on allo-HSCT donor selection when a matched domestic donor is not available. METHODS: We administered a questionnaire survey to 55 hematologists (response rate: 28%) who attended the annual spring conference of the Korean Society of Haematology in 2015...
March 2017: Blood Research
https://www.readbyqxmd.com/read/28398347/microbial-shifts-and-signatures-of-long-term-remission-in-ulcerative-colitis-after-faecal-microbiota-transplantation
#10
Susana Fuentes, Noortje G Rossen, Mirjam J van der Spek, Jorn Ha Hartman, Laura Huuskonen, Katri Korpela, Jarkko Salojärvi, Steven Aalvink, Willem M de Vos, Geert R D'Haens, Erwin G Zoetendal, Cyriel Y Ponsioen
Faecal microbiota transplantation (FMT) may contribute towards disease remission in ulcerative colitis (UC), but it is unknown which factors determine long-term effect of treatment. Here, we aimed to identify bacterial signatures associated with sustained remission. To this end, samples from healthy donors and UC patients-grouped into responders and non-responders at a primary end point (week 12) and further stratified by sustained clinical remission and relapse assessed at ⩾1-year follow-up were analysed, comparing the efficacy of FMT from either a healthy donor or autologous faeces...
April 11, 2017: ISME Journal
https://www.readbyqxmd.com/read/28396953/autologous-hematopoietic-stem-cell-transplantation-in-relapsing-remitting-multiple-sclerosis-comparison-with-secondary-progressive-multiple-sclerosis
#11
Bonaventura Casanova, Isidro Jarque, Francisco Gascón, Juan Carlos Hernández-Boluda, Francisco Pérez-Miralles, Javier de la Rubia, Carmen Alcalá, Jaime Sanz, Javier Mallada, Angeles Cervelló, Arantxa Navarré, María Carcelén-Gadea, Isabel Boscá, Sara Gil-Perotin, Carlos Solano, Miguel Angel Sanz, Francisco Coret
The main objective of our work is to describe the long-term results of myeloablative autologous hematopoietic stem cell transplant (AHSCT) in multiple sclerosis patients. Patients that failed to conventional therapies for multiple sclerosis (MS) underwent an approved protocol for AHSCT, which consisted of peripheral blood stem cell mobilization with cyclophosphamide and granulocyte colony-stimulating factor (G-CSF), followed by a conditioning regimen of BCNU, Etoposide, Ara-C, Melphalan IV, plus Rabbit Thymoglobulin...
April 10, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28383302/the-boston-keratoprosthesis
#12
Hajirah N Saeed, Swapna Shanbhag, James Chodosh
PURPOSE OF REVIEW: The Boston keratoprosthesis (BKPro) is often the only hope for visual rehabilitation in severe corneal disease. Since Food and Drug Administration approval of the device in 1992, there have been a series of advances in its design, surgical techniques, and postoperative care, which have widened its applicability and decreased associated complications. The purpose of this review is to highlight the indications, management, outcomes, and advances in the BKPro literature...
April 5, 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/28381469/phase-i-clinical-trial-of-autologous-stem-cell-sheet-transplantation-therapy-for-treating-cardiomyopathy
#13
Shigeru Miyagawa, Keitaro Domae, Yasushi Yoshikawa, Satsuki Fukushima, Teruya Nakamura, Atsuhiro Saito, Yasushi Sakata, Seiki Hamada, Koichi Toda, Kyongsun Pak, Masahiro Takeuchi, Yoshiki Sawa
BACKGROUND: When transplanted into failing heart, autologous somatic tissue-derived cells yield functional recovery via paracrine effects that enhance native regeneration. However, the therapeutic effects are modest. We developed a method in which scaffold-free cell sheets are attached to the epicardial surface to maximize paracrine effects. This Phase I clinical trial tested whether transplanting autologous cell-sheets derived from skeletal muscle is feasible, safe, and effective for treating severe congestive heart failure...
April 5, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28367597/salvage-therapy-with-lenalidomide-containing-regimen-for-relapsed-refractory-castleman-disease-a-report-of-three-cases
#14
Xinping Zhou, Juying Wei, Yinjun Lou, Gaixiang Xu, Min Yang, Hui Liu, Liping Mao, Hongyan Tong, Jie Jin
Castleman disease (CD) is uncommon non-clonal lymphoproliferative disorder with unknown etiology. No standard therapy is recommended for relapsed/refractory CD patients, thus requiring development of novel experimental approaches. Our cohort of three adult patients with multicentric CD (MCD) were treated with refractory to traditional chemotherapy lenalidomide-containing regimens (10-25 mg lenalidomide perorally administered on days 1-21 in 28-day cycle) as second- to fourth-line treatment. Partial remission was achieved in first plasma-cell CD patient, who relapsed seven months after autologous hematopoietic stem cell transplantation and then failed to respond to four cycles of chemotherapy...
April 3, 2017: Frontiers of Medicine
https://www.readbyqxmd.com/read/28366875/dual-role-of-muc1-mucin-in-kidney-ischemia-reperfusion-injury-nephroprotector-in-early-phase-but-pro-fibrotic-in-late-phase
#15
Jean-Baptiste Gibier, Brigitte Hémon, Mélanie Fanchon, Kelly Gaudelot, Nicolas Pottier, Bélinda Ringot, Isabelle Van Seuningen, François Glowacki, Christelle Cauffiez, David Blum, Marie-Christine Copin, Michaël Perrais, Viviane Gnemmi
Acute kidney injury (AKI) is characterized by acute tubular necrosis (ATN) which involves mainly proximal tubules. Past AKI is associated with higher risk of chronic kidney disease (CKD). The MUC1 mucin is a large glycoprotein responsible for epithelial protection and locates to convoluted distal tubules and collecting ducts. Since MUC1 activates the epithelial-mesenchymal transition (EMT) in carcinoma cells, we hypothesized that MUC1 could be involved in epithelial tubular cell plasticity, a process that accompanies epithelial repair, but also participates into kidney fibrosis, histological substratum of CKD...
March 30, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28365177/high-dose-vitamin-d-after-lung-transplantation-a-randomized-trial
#16
Robin Vos, David Ruttens, Stijn E Verleden, Elly Vandermeulen, Hannelore Bellon, Anke Van Herck, Annelore Sacreas, Tobias Heigl, Veronique Schaevers, Dirk E Van Raemdonck, Eric K Verbeken, Arne P Neyrinck, Lieven J Dupont, Jonas Yserbyt, Bart M Vanaudenaerde, Geert M Verleden
BACKGROUND: Vitamin D may have innate immunomodulatory functions with potentially beneficial therapeutic effects in lung transplant recipients. METHODS: This was a single-center, double blind, randomized, placebo-controlled, prevention trial of once-monthly oral vitamin D (cholecalciferol; 100,000 IU, n = 44) vs placebo (n = 43) during 2 years in adult lung transplant recipients enrolled from October 2010 to August 2013. Primary outcome was prevalence of chronic lung allograft dysfunction (CLAD) 3 years after transplantation...
March 8, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28356491/should-gratitude-be-a-requirement-for-access-to-live-organ-donation
#17
Monica Escher, Monique Lamuela-Naulin, Catherine Bollondi, Paola Flores Menendez, Samia A Hurst
Gratitude is both expected and problematic in live organ donation. Are there grounds to require it, and to forbid access to live donor transplantation to a recipient who fails to signal that he feels any form of gratitude? Recipient gratitude is not currently required for organ donation, but it is expected and may be a moral requirement. Despite this, we argue that making it a condition for live organ transplantation would be unjustified. It would constitute a problematic and disproportionate punishment for perceived immoral behaviour on the part of the recipient...
March 29, 2017: Journal of Medical Ethics
https://www.readbyqxmd.com/read/28356441/left-ventricular-dysfunction-switches-mesenchymal-stromal-cells-toward-an-inflammatory-phenotype-and-impairs-their-reparative-properties-via-toll-like-receptor-4
#18
Nili Naftali-Shani, La-Paz Levin-Kotler, Dahlia Palevski, Uri Amit, David Kain, Natalie Landa, Edith Hochhauser, Jonathan Leor
Background -Little is known about the potentially unfavorable effects of mesenchymal stromal cell (MSC) activation on the heart. MSCs can respond to tissue injury by anti or pro-inflammatory activation. We sought to study the potential negative interaction between left ventricular dysfunction (LVD) and MSC activation. Methods -We isolated MSCs from cardiac (c) and subcutaneous (sc) fat tissues of mice with LVD, 28 days after myocardial infarction (MI), or sham operation. To evaluate the effect of LVD on MSCs, we characterized cMSCs and scMSCs in vitro Subsequently, we injected MSCs or saline into the infarcted myocardium of mice and evaluated left ventricular (LV) remodeling, and function, 28 days after MI...
March 29, 2017: Circulation
https://www.readbyqxmd.com/read/28355297/transcription-factor-induced-activation-of-cardiac-gene-expression-in-human-c-kit-cardiac-progenitor-cells
#19
Tareq Al-Maqtari, Kyung U Hong, Bathri N Vajravelu, Afsoon Moktar, Pengxiao Cao, Joseph B Moore, Roberto Bolli
Although transplantation of c-kit+ cardiac progenitor cells (CPCs) significantly alleviates post-myocardial infarction left ventricular dysfunction, generation of cardiomyocytes by exogenous CPCs in the recipient heart has often been limited. Inducing robust differentiation would be necessary for improving the efficacy of the regenerative cardiac cell therapy. We assessed the hypothesis that differentiation of human c-kit+ CPCs can be enhanced by priming them with cardiac transcription factors (TFs). We introduced five different TFs (Gata4, MEF2C, NKX2...
2017: PloS One
https://www.readbyqxmd.com/read/28353491/nonprogrammed-vascular-access-is-associated-with-greater-mortality-in-patients-who-return-to-hemodialysis-with-a-failing-renal-graft
#20
Gustavo Laham, Gervasio Soler Pujol, Antonio Vilches, Ana Cusumano, Carlos Diaz
BACKGROUND: In incident hemodialysis (HD) patients the use of catheters is associated with a worse prognosis when compared to those with an arteriovenous fistula (AVF), but the role of vascular access (VA) type in the morbidity and mortality of patients returning to HD with a failing renal allograft is unknown. We aimed to determine the associations between the type of vascular access and mortality in this population. METHODS: This was a retrospective observational cohort study of 138 patients who initiated dialysis after kidney transplant failure between 1995 and 2014...
March 28, 2017: Transplantation
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