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https://www.readbyqxmd.com/read/28532102/islet-encapsulated-implantable-composite-hollow-fiber-membrane-based-device-a-bioartificial-pancreas
#1
Rohit S Teotia, Sachin Kadam, Atul Kumar Singh, Surendra Kumar Verma, Ashutosh Bahulekar, Sujata Kanetkar, Jayesh Bellare
Islets from xeno-sources and islet like clusters derived from autologus stem cells have emerged as alternatives to cadaveric pancreas used for treatment of type 1 diabetes. However, the immuno-isolation of these islets from the host immune system suffers from the issue of biocompatibility and hypoxia. To overcome the issues of immunobarrier biocompatibility, we developed a Polysulfone (Psf)/TPGS composite hollow fiber membrane (HFM) using a hollow fiber spinning pilot plant specially developed for this purpose...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28532013/exercise-enhance-the-ectopic-bone-formation-of-calcium-phosphate-biomaterials-in-muscles-of-mice
#2
Lijia Cheng, Shuo Yan, Jiang Zhu, Peiling Cai, Ting Wang, Zheng Shi
OBJECTIVE: To investigate whether exercise can enhance ectopic bone formation of calcium phosphate (Ca-P) biomaterials in muscles of mice. METHODS: Firstly, ten transient receptor potential vanilloid subfamily member 1 (TRPV1) knockout mice (group KO) and ten C57BL/6 mice (group WT) were randomly chosen, 10μg Ca-P biomaterials were implanted into the thigh muscle pouch of each mouse which was far away from femur; after that, all animals were kept in open field for free exploration 5min, and the movement time and distance were automatically analyzed...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28532007/decellularized-tendon-as-a-prospective-scaffold-for-tendon-repair
#3
REVIEW
Shengyu Wang, Yiyun Wang, Liyang Song, Jiaxin Chen, Yujie Ma, Yunbin Chen, Shunwu Fan, Miaoshang Su, Xianfeng Lin
Tendon injuries impose significant clinical burdens on healthcare systems worldwide. At present, no therapeutic methods can cure tendon injuries in an ideal manner. With the development and improvement of decellularization technology, tendon extracellular matrix (ECM) can develop into novel scaffolds with potential for repairing injured tendons. Proper agents and decellularization protocols were developed to obtain tendon ECMs, and the method used to recellularize the tendon ECM was explored to create bio-functional neo-tendons for transplants...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28532003/recent-development-in-cell-encapsulations-and-their-therapeutic-applications
#4
REVIEW
Jiang-Ze Wang, Zhen-Qi Ding, Feng Zhang, Wen-Bin Ye
Chronic and degenerative diseases are the main causes of death in the aging population worldwide. These diseases are currently maintained using long term administration of conventional drugs which are not curative and reduce the life quality of patients. It is urgent to develop new therapeutic approaches for the treatment of these diseases. Cell therapy that involves the injection of viable cell into patients is a promising therapeutic strategy in chronic and degenerative diseases. However, the survival of injected cells in host tissue is limited due to immunoresponse...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28531995/scavenging-free-radicals-and-soaring-osteoinduction-by-extra-cellular-matrix-protein-based-nanocomposites-on-degenerative-bone-treatments
#5
Kavitha Kandiah, Navaneethan Duraisamy, Vinoth Amirthalingam, Balagurunathan Ramasamy
A number of materials are now available to alleviate the ever-growing bone disruption. However, these are inadequate and inappropriate for addressing issues associated natural process of aging and degeneration of bone due to diseases. This study advances the existing material and offers more privileged and synergistically active remedy for these conditions. Here, they are three different nano-composites prepared such as nano-TiO2 with chitosan (TC), nano-TiO2 with chondroitin 4-sulfate (TG), and nano-TiO2 with chitosan and chondroitin 4-sulfate (TCG), whereas nano-TiO2 act as a control...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28531915/bone-marrow-stem-cells-anti-liver-fibrosis-potency-inhibition-of-hepatic-stellate-cells-activity-and-extracellular-matrix-deposition
#6
Ervina Julien Sitanggang, Radiana Dhewayani Antarianto, Sri Widia A Jusman, Jeanne Adiwinata Pawitan, Ahmad Aulia Jusuf
Transplantation of bone marrow derived stem cells (BMSCs) has been reported inhibits liver fibrosis. Several in vitro studies by co-culturing BMSCs and hepatic stellate cells (HSCs) indirectly or directly in 2D models showed inhibition of HSC as the key player in liver fibrosis. In this study, we investigated direct effect of BMSCs on HSCs by co-culturing BMSCs and HSCs in 3D model as it represents the liver microenvironment with intricate cell-cell and cell-matrix interactions. Primary isolated rat HSCs and BMSCs were directly co-cultured at 1:1 ratio with hanging drop method...
May 30, 2017: International Journal of Stem Cells
https://www.readbyqxmd.com/read/28531908/methods-and-reporting-studies-assessing-fecal-microbiota-transplantation-a-systematic-review
#7
Aïda Bafeta, Amelie Yavchitz, Carolina Riveros, Rui Batista, Philippe Ravaud
Background: Fecal microbiota transplantation (FMT) could be a novel treatment option for several chronic diseases associated with altered gut microbiota. Purpose: To examine the conduct and reporting of studies assessing FMT. Data Sources: Cochrane Central Register of Controlled Trials, PubMed, EMBASE, and Web of Science from inception to 31 January 2017. Study Selection: Two reviewers independently examined titles and abstracts to identify all English-language reports of human clinical studies assessing the safety or efficacy of FMT...
May 23, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28531905/treatment-with-fecal-microbiota-transplantation-the-need-for-complete-methodological-reporting-for-clinical-trials
#8
Vincent B Young
No abstract text is available yet for this article.
May 23, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28531813/immunomodulatory-function-of-whole-human-umbilical-cord-derived-mesenchymal-stem-cells
#9
Hao Zhang, Yanling Tao, Haihui Liu, Saisai Ren, Bin Zhang, Hu Chen
Bone marrow derived mesenchymal stem cells (MSCs) play a critical role in immune modulation. However, immunomodulatory function of whole human umbilical cord derived mesenchymal stem cells (UC-MSCs) remains unclear. In this study, UC-MSCs were separated from whole umbilical cord using a single enzyme digestion. UC-MSCs (CD73(+), CD90(+), CD105(+), and CD34(-), CD45(-), HLA-DR(-)) were differentiated into adipocytes, osteocytes and chondrocytes in vitro under specific stimulatory environments. UC-MSCs suppressed umbilical cord blood lymphocyte proliferation stimulated by mitogen, and ELISA showed that the secretion of INF-γ was downregulated, and the secretion of IL-4 was upregulated, with CD8(+) T cells markedly decreased and CD4(+) T cells changed lightly...
May 19, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28531808/prenatal-diagnosis-of-biliary-atresia-a-case-series
#10
O Shen, H Y Sela, H Nagar, R Rabinowitz, E Jacobovich, D Chen, E Granot
BACKGROUND: Biliary atresia is a progressive disease presenting with jaundice, and is the most common indication for liver transplantation in the pediatric population. Prenatal series have yielded conflicting results concerning a possible association between BA and prenatal nonvisualization of the gallbladder. AIMS: This retrospective case series was performed to assess the association between biliary atresia, prenatal nonvisualization of the gallbladder and other sonographic signs...
May 19, 2017: Early Human Development
https://www.readbyqxmd.com/read/28531405/nutrition-after-kidney-transplantation
#11
Gregor Mlinšek
No abstract text is available yet for this article.
August 2016: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/28531238/education-on-organ-donation-and-transplantation-in-primary-school-teachers-support-and-the-first-results-of-a-teaching-module
#12
Marion J Siebelink, A A Eduard Verhagen, Petrie F Roodbol, Marcel J I J Albers, Harry B M Van de Wiel
Organ and tissue donation can also involve children. Because of its sensitivity, this topic requires careful decision making. Children have the ability to carefully reflect on this subject and enjoy participating in family discussions about it. Therefore, what children need is proper information. When schools are used to educate children about this subject, information about teacher support for this type of lesson along with its effects on the depth of family discussions is important. METHODS: A questionnaire was sent to all 7,542 primary schools in the Netherlands...
2017: PloS One
https://www.readbyqxmd.com/read/28530850/fresh-osteochondral-allograft-transplantation-is-graft-storage-time-associated-with-clinical-outcomes-and-graft-survivorship
#13
Kenneth J Schmidt, Luís E Tírico, Julie C McCauley, William D Bugbee
BACKGROUND: Regulatory concerns and the popularity of fresh osteochondral allograft (OCA) transplantation have led to a need for prolonged viable storage of osteochondral grafts. Tissue culture media allow a longer storage time but lead to chondrocyte death within the tissue. The long-term clinical consequence of prolonged storage is unknown. HYPOTHESIS: Patients transplanted with OCAs with a shorter storage time would have lower failure rates and better clinical outcomes than those transplanted with OCAs with prolonged storage...
May 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28530671/cardiopulmonary-assessment-of-patients-with-systemic-sclerosis-for-hematopoietic-stem-cell-transplantation-recommendations-from-the-european-society-for-blood-and-marrow-transplantation-autoimmune-diseases-working-party-and-collaborating-partners
#14
REVIEW
D Farge, R K Burt, M-C Oliveira, E Mousseaux, M Rovira, Z Marjanovic, J de Vries-Bouwstra, N Del Papa, R Saccardi, S J Shah, D C Lee, C Denton, T Alexander, D G Kiely, J A Snowden
Systemic sclerosis (SSc) is a rare disabling autoimmune disease with a similar mortality to many cancers. Two randomized controlled trials of autologous hematopoietic stem cell transplantation (AHSCT) for SSc have shown significant improvement in organ function, quality of life and long-term survival compared to standard therapy. However, transplant-related mortality (TRM) ranged from 3-10% in patients undergoing HSCT. In SSc, the main cause of non-transplant and TRM is cardiac related. We therefore updated the previously published guidelines for cardiac evaluation, which should be performed in dedicated centers with expertize in HSCT for SSc...
May 22, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28530668/radioimmunotherapy-augmented-beam-chemotherapy-vs-beam-alone-as-the-high-dose-regimen-for-autologous-stem-cell-transplantation-asct-in-relapsed-follicular-lymphoma-fl-a-retrospective-study-of-the-ebmt-lymphoma-working-party
#15
L Bento, A Boumendil, H Finel, S Le Gouill, S Amorim, H Monjanel, R Bouabdallah, J O Bay, E Nicolas-Virelizier, G McQuaker, G Rossi, R Johnson, A Huynh, P Ceballos, A Rambaldi, E Bachy, R Malladi, K Orchard, D Pohlreich, H Tilly, F Bonifazi, X Poiré, F Guilhot, A Haenel, C Crawley, B Metzner, J Gribben, N H Russell, G Damaj, K Thomson, P Dreger, S Montoto
Relapse remains the most common cause of treatment failure in patients receiving autologous stem cell transplantation (ASCT) for follicular lymphoma (FL). The aim of this study was to evaluate the effect of adding radioimmunotherapy or rituximab (R) to BEAM (carmustine, etoposide, ara-c, melphalan) high-dose therapy for ASCT in patients with relapsed FL. Using the European Society for Blood and Marrow Transplantation registry, we conducted a cohort comparison of BEAM (n=1973), Zevalin-BEAM (Z-BEAM) (n=207) and R-BEAM (n=179) and also a matched-cohort analysis of BEAM vs Z-BEAM including 282 and 154 patients, respectively...
May 22, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28530643/danger-signals-in-regulating-the-immune-response-to-solid-organ-transplantation
#16
Jamie L Todd, Scott M Palmer
Endogenous danger signals, or damage-associated molecular patterns (DAMPs), are generated in response to cell stress and activate innate immunity to provide a pivotal mechanism by which an organism can respond to damaged self. Accumulating experimental and clinical data have established the importance of DAMPs, which signal through innate pattern recognition receptors (PRRs) or DAMP-specific receptors, in regulating the alloresponse to solid organ transplantation (SOT). Moreover, DAMPs may incite distinct downstream cellular responses that could specifically contribute to the development of allograft fibrosis and chronic graft dysfunction...
May 22, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28530626/-robotic-kidney-transplantation
#17
Lluis Peri, Mireia Musquera, Laura Izquierdo, Caterina Fernández-Ramón, Anat Melnick, Antonio Alcaraz
OBJECTIVE: Renal transplant surgery has not undergone any major changes until a few years ago, probably due to the technical difficulty involved in performing a laparoscopic transplant. With the introduction of robotic technology, the difficulties derived from laparoscopic surgery in certain procedures have been reduced, so we can now offer a minimally invasive approach to kidney recipients. METHODS: Review of published literature on robotic kidney transplantation...
May 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28530621/-laparoscopic-ureteral-reimplantation-in-the-treatment-of-urinary-tract-complications-after-renal-transplantation
#18
Juan Soto Villalba, Jesús Rosety Rodríguez, Cristina León Delgado, María José Ledo Cepero, Patricia Parra Serván, José Luis Álvarez-Ossorio Fernández
OBJECTIVES: Laparoscopic ureteral reconstructive surgery is routinely performed , because it demonstrated efficacy and safety profiles similar to open surgery in expert hands. The most frequent surgical complications after transplant are urological, appearing in up to 12,5% of the cases; they can compromise graft function and mortality. The most frequent ones include ureterovesical anastomosis stenosis (2,5-7,5%) and vesicoureteral reflux (0,4-2,2), which present in up to 80% of the cases...
May 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28530212/-measurements-of-vancomycin-concentrations-in-the-blood-a-method-of-personalization-the-antibiotic-therapy-in-patients-with-chronic-kidney-disease
#19
Joanna Pondel, Piotr Krajewski, Natalia Królikowska, Aleksandra Tobiasz, Hanna Augustyniak-Bartosik, Magdalena Hurkacz
Therapeutic Drug Monitoring is a recognized method of personalizing treatment, having particular application in patients with chronic kidney disease who have frequent infections, requiring administration of vancomycin. International guidelines indicate the need to adjust the dose of the drug to the state of renal function. The recommended therapeutic ranges of minimum and maximum levels should be achieved in order to increase the effectiveness and safety of treatment. AIM: The aim of this study was to evaluate the usefulness of measuring the concentration of vancomycin in patients with chronic kidney disease due to bacterial infection...
April 21, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28530163/gastrointestinal-histoplasmosis-a-case-series
#20
Rashi Sharma, Lipika Lipi, Smeeta Gajendra, Ishani Mohapatra, Ruchika K Goel, Rajan Duggal, Smruti Ranjan Mishra, Dheeraj Gautam
Histoplasmosis is an invasive mycosis caused by inhalation of the spores of dimorphic fungi Histoplasma capsulatum. The disease manifests in the lung as acute or chronic pulmonary histoplasmosis and in severe cases gets disseminated in multiple organs like skin, adrenal gland, central nervous system, lymph node, liver, spleen, bone marrow, and gastrointestinal tract. It occurs most commonly in immunodeficient patients like HIV-positive patients and transplant recipients, while immunocompetent hosts are affected rarely...
May 1, 2017: International Journal of Surgical Pathology
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