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https://www.readbyqxmd.com/read/28938703/evaluation-of-thromboelastometry-parameters-as-predictive-markers-for-sinusoidal-obstruction-syndrome-in-patients-undergoing-allogeneic-stem-cell-transplantation-for-acute-leukaemia
#1
Joanna Rupa-Matysek, Lidia Gil, Ewelina Wojtasińska, Zuzanna Kanduła, Adam Nowicki, Magdalena Matuszak, Mieczysław Komarnicki
Hepatic sinusoidal obstruction syndrome (previously named veno-occlusive disease, SOS/VOD) is a serious complication of allogeneic stem cell transplantation (HSCT). Early identification of patients at risk of SOS/VOD may possibly improve the outcome and reduce mortality. Rotation thromboelastometry (ROTEM) is global assay allowing for the precise assessment of both bleeding and thrombotic conditions, however, its usefulness in patients undergoing HSCT for acute leukaemia has not been studied. We evaluated the thromboelastometry parameters in patients undergoing allogeneic HSCT for acute leukaemia to identify candidate biomarkers of SOS/VOD occurrence...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938702/correction-endothelial-microparticles-delivering-microrna-155-into-t-lymphocytes-are-involved-in-the-initiation-of-acute-graft-versus-host-disease-following-allogeneic-hematopoietic-stem-cell-transplantation
#2
Ran Zhang, Xiaoxiao Wang, Mei Hong, Ting Luo, Miaomiao Zhao, Haorui Shen, Jun Fang, Xiaojie Li, Sibin Zang, Ping Chen, Dimin Nie, Peng Zheng, Qiuling Wu, Linghui Xia
[This corrects the article DOI: 10.18632/oncotarget.15579.].
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938612/magnetic-resonance-imaging-tracking-and-assessing-repair-function-of-the-bone-marrow-mesenchymal-stem-cells-transplantation-in-a-rat-model-of-spinal-cord-injury
#3
Hongwu Zhang, Liqin Wang, Shihong Wen, Qingfeng Xiang, Xianhong Xiang, Caixia Xu, Yong Wan, Jingnan Wang, Bin Li, Yiqian Wan, Zhiyun Yang, David Y B Deng
The transplantation of bone marrow mesenchymal stem cells (BMSCs) to repair spinal cord injury (SCI) has become a promising therapy. However, there is still a lack of visual evidence directly implicating the transplanted cells as the source of the improvement of spinal cord function. In this study, BMSCs were labeled with NF-200 promoter and lipase-activated gadolinium-containing nanoparticles (Gd-DTPA-FA). Double labeled BMSCs were implanted into spinal cord transaction injury in rat models in situ, the function recovery was evaluated on 1st, 7th, 14th, 28 th days by MRI, Diffusion Tensor Imaing, CT imaging and post-processing, and histological observations...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938607/hgfl-mediated-ron-signaling-supports-breast-cancer-stem-cell-phenotypes-via-activation-of-non-canonical-%C3%AE-catenin-signaling
#4
Sasha J Ruiz-Torres, Nancy M Benight, Rebekah A Karns, Elyse E Lower, Jun-Lin Guan, Susan E Waltz
Breast cancer stem cells (BCSCs), which drive tumor progression, recurrence, and metastasis, are considered a major challenge for breast cancer treatments, thus the discovery of novel pathways regulating BCSC maintenance remains essential to develop new strategies to effectively target this population and combat disease mortality. The HGFL-RON signaling is overexpressed in human breast cancers and is associated with increased breast cancer progression, metastasis, and poor prognosis. Here, we report that overexpression of RON/MST1R and HGFL/MST1 in cell lines and primary tumors increases BCSC self-renewal, numbers, and tumorigenic potential after syngeneic transplantation...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938584/bmpr2-promotes-invasion-and-metastasis-via-the-rhoa-rock-limk2-pathway-in-human-osteosarcoma-cells
#5
Shidong Wang, Tingting Ren, Guangjun Jiao, Yi Huang, Xing Bao, Fan Zhang, Kuisheng Liu, Bingxin Zheng, Kunkun Sun, Wei Guo
Bone morphogenetic protein receptor 2 (BMPR2) has been identified in several types of cancer. However, its role in osteosarcoma is largely unknown. We systematically investigated the role of BMPR2 in osteosarcoma cell lines, human tissue samples and xenograft models. The relationship between BMPR2 expression and osteosarcoma patients' survival was investigated by bioinformatics and clinical data. Wound healing assay and transwell assay were used to detect the changes of cell migration and invasion ability after BMPR2 transfection...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938306/different-clinical-course-and-complications-in-interagency-registry-for-mechanically-assisted-circulatory-support-1-patients-managed-with-or-without-extracorporeal-membrane-oxygenation
#6
Jason J Han, Jennifer Chung, Carol W Chen, Ann C Gaffey, Alex Sotolongo, Christyna Justice, Alyse E Ameer, J Eduardo Rame, Christian Bermudez, Michael A Acker, Pavan Atluri
Extracorporeal membrane oxygenation (ECMO) as a bridge to left ventricular assist device (LVAD) implantation has shown promise in improving end-organ function and optimizing outcomes in some critically ill patients, but the practice remains controversial. Retrospective review of patients who received LVADs from May 2008 to September 2016 at a high-volume, tertiary care cardiovascular center was performed. Subjects were Interagency Registry for Mechanically Assisted Circulatory Support (INTERMACS) class 1 patients divided into ECMO bridge and non-ECMO bridge cohorts...
September 21, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28938164/multifunctional-superparamagnetic-nanoparticles-conjugated-with-fluorescein-labeled-designed-ankyrin-repeat-protein-as-an-efficient-her2-targeted-probe-in-breast-cancer
#7
Dong-Li Li, Jian-Er Tan, Ying Tian, Shun Huang, Peng-Hui Sun, Meng Wang, Yan-Jiang Han, Hong-Sheng Li, Hu-Bing Wu, Xing-Mei Zhang, Yi-Kai Xu, Quan-Shi Wang
Based on the discordance of human epidermal growth factor receptor-2 (HER2) expression between primary and metastatic/recurrent breast cancer, HER2 molecular imaging, which had potential to systemically assess and dynamically monitor HER2 expression, might improve the selection of patients for anti-HER2 therapy. In this study, designed ankyrin repeat protein (DARPin) G3, a novel binding protein with picomolar affinity for HER2, was used and multifunctional superparamagnetic nanoparticles modified with fluorescein-5-maleimide-labeled DARPin G3 (SPIO-G3-5MF) were developed for HER2 imaging...
September 8, 2017: Biomaterials
https://www.readbyqxmd.com/read/28937976/tissue-engineering-for-the-treatment-of-short-bowel-syndrome-in-children
#8
REVIEW
Laura Y Martin, Mitchell R Ladd, Adam Werts, Chhinder P Sodhi, John C March, David J Hackam
Short bowel syndrome is a major cause of morbidity and mortality in children. Despite decades of experience in the management of short bowel syndrome, current therapy is primarily supportive. Definitive treatment often requires intestinal transplantation, which is associated with significant morbidity and mortality. In order to develop novel approaches to the treatment of short bowel syndrome, we and others have focused on the development of an artificial intestine, by placing intestinal stem cells on a bioscaffold that has an absorptive surface resembling native intestine, and taking advantage of neovascularization to develop a blood supply...
September 22, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28937794/nutritional-status-of-hematological-patients-before-hematopoietic-stem-cell-transplantation-and-in-early-posttransplantation-period
#9
Joanna Krawczyk, Leszek Kraj, Teresa Korta, Wiesław Wiktor-Jędrzejczak
Hematopoietic stem cell transplantation (HSCT) is an aggressive method of treatment affecting patient's homeostasis. The aim of the study was to evaluate the initial nutritional status of HSCT patients and nutritional status in early posttransplantation period. The prospective study included 100 consecutive patients with hematological malignancies subjected to HSCT. The nutritional status evaluation was made using the nutritional screening scales, anthropometric and biochemical parameters, as well. On the day +7 following HSCT significant decrease in concentration of total protein (5...
September 22, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28937690/stem-cell-derived-interneuron-transplants-functionally-integrate-within-the-existing-circuitry
#10
J J Donegan, J A Tyson, S Y Branch, M J Beckstead, S A Anderson, D J Lodge
No abstract text is available yet for this article.
October 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28937406/tolerance-in-xenotransplantation
#11
Kazuhiko Yamada, Megan Sykes, David H Sachs
PURPOSE OF REVIEW: This review describes recent progress in tolerance-inducing strategies across xenogeneic immunological barriers as well as the potential benefit of a tolerance strategy for islets and kidney xenotransplantation. RECENT FINDINGS: Using advanced gene editing technologies, xenotransplantation from multitransgenic alpha-1,3-galactosyltransferase knockout pigs has demonstrated marked prolongation of renal xenograft survival, ranging from days to greater than several months for life-supporting kidneys, and more than 2 years in a heterotopic nonlife-supporting cardiac xenograft model...
September 20, 2017: Current Opinion in Organ Transplantation
https://www.readbyqxmd.com/read/28937258/sensitivity-to-perioperative-ischemia-reperfusion-injury-in-male-and-female-donor-myocardium
#12
M Smetana, J Besik, I Netuka, J Maly, J Maluskova, A Lodererova, L Hoskova, J Franeková, E Pokorna, J Pirk, O Szarszoi
Many functions of the cardiovascular apparatus are affected by gender. The aim of our study was find out whether markers of cell death present in the donor myocardium differ in male and female hearts. The study involved 81 patients undergoing heart transplantation from September 2010 to January 2013. Patients were divided into two groups: male allograft (n=49), and female allograft (n=32). Two types of myocardial cell death were analyzed. High-sensitive cardiac troponin T as a necrosis marker and protein bcl-2, caspase 3 and TUNEL as apoptosis markers were measured...
September 22, 2017: Physiological Research
https://www.readbyqxmd.com/read/28937044/priming-of-the-cells-hypoxic-preconditioning-for-stem-cell-therapy
#13
REVIEW
Zheng Z Wei, Yan-Bing Zhu, James Y Zhang, Myles R McCrary, Song Wang, Yong-Bo Zhang, Shan-Ping Yu, Ling Wei
OBJECTIVE: Stem cell-based therapies are promising in regenerative medicine for protecting and repairing damaged brain tissues after injury or in the context of chronic diseases. Hypoxia can induce physiological and pathological responses. A hypoxic insult might act as a double-edged sword, it induces cell death and brain damage, but on the other hand, sublethal hypoxia can trigger an adaptation response called hypoxic preconditioning or hypoxic tolerance that is of immense importance for the survival of cells and tissues...
October 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28936779/a-mouse-model-of-alzheimer-s-disease-with-transplanted-stem-cell-derived-human-neurons
#14
Yuankai Zhu, Hong Zhang
No abstract text is available yet for this article.
September 21, 2017: Neuroscience Bulletin
https://www.readbyqxmd.com/read/28936744/cardiac-telocyte-derived-exosomes-and-their-possible-implications-in-cardiovascular-pathophysiology
#15
Mirca Marini, Lidia Ibba-Manneschi, Mirko Manetti
Among cardiac interstitial cells, the recently described telocytes (TCs) display the unique ability to build a supportive three-dimensional network formed by their very long and thin prolongations named telopodes. Cardiac TCs are increasingly regarded as pivotal regulators in intercellular signaling with multiple cell types, such as cardiomyocytes, stem/progenitor cells, microvessels, nerve endings, fibroblasts and immune cells, thus converting the cardiac stromal compartment into an integrated system that may drive either heart development or maintenance of cardiac homeostasis in post-natal life...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28936741/exosomes-derived-from-embryonic-stem-cells-as-potential-treatment-for-cardiovascular-diseases
#16
Yao-Hua Song, Lianbo Shao, Yu Zhang, Jin Zhou, Bin Liu, Xiangbin Pan, Yong-Jian Geng, Xi-Yong Yu, Yangxin Li
Cardiovascular diseases resulting from ischemic heart diseases remain to be the main causes of heart failure and death despite significant advances in medical treatment. The development of new therapies for heart failure is thus required to improve the outcome in these patients, and this has led to the development of cell-based therapies. Animal studies showed interesting results using various cell types. Some stem cell based therapies have been tested in clinical trials. Although the results were encouraging, challenges remain...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28936404/-18-f-fdg-pet-for-assessing-biological-viability-and-prognosis-in-liver-transplant-patients-with-hepatocellular-carcinoma
#17
REVIEW
Arno Kornberg, Martina Schernhammer, Helmut Friess
Liver transplantation (LT) has become standard of care in patients with non-resectable early stage hepatocellular carcinoma (HCC) in liver cirrhosis. Currently, patient selection for LT is strictly based on tumor size and number, provided by the Milan criteria. This may, however, exclude patients with advanced tumor load but favourable biology from a possibly curative treatment option. It became clear in recent years that biological tumor viability rather than tumor macromorphology determines posttransplant outcome...
September 28, 2017: Journal of Clinical and Translational Hepatology
https://www.readbyqxmd.com/read/28936210/novel-mutations-of-the-tetratricopeptide-repeat-domain-7a-gene-and-phenotype-genotype-comparison
#18
Reyin Lien, Yung-Feng Lin, Min-Wei Lai, Hui-Ying Weng, Ren-Chin Wu, Tang-Her Jaing, Jing-Long Huang, Shih-Feng Tsai, Wen-I Lee
The gastrointestinal tract contains the largest lymphoid organ to react with pathogenic microorganisms and suppress excess inflammation. Patients with primary immunodeficiency diseases (PIDs) can suffer from refractory diarrhea. In this study, we present two siblings who began to suffer from refractory diarrhea with a poor response to aggressive antibiotic and immunosuppressive treatment after surgical release of neonatal intestinal obstruction. Their lymphocyte proliferation was low, but superoxide production and IL-10 signaling were normal...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28935977/zebrafish-in-vivo-screening-for-compounds-amplifying-hematopoietic-stem-and-progenitor-cells-preclinical-validation-in-human-cd34-stem-and-progenitor-cells
#19
Guruchandar Arulmozhivarman, Martin Kräter, Manja Wobus, Jens Friedrichs, Elham Pishali Bejestani, Katrin Müller, Katrin Lambert, Dimitra Alexopoulou, Andreas Dahl, Martin Stöter, Marc Bickle, Nona Shayegi, Jochen Hampe, Friedrich Stölzel, Michael Brand, Malte von Bonin, Martin Bornhäuser
The identification of small molecules that either increase the number and/or enhance the activity of human hematopoietic stem and progenitor cells (hHSPCs) during ex vivo expansion remains challenging. We used an unbiased in vivo chemical screen in a transgenic (c-myb:EGFP) zebrafish embryo model and identified histone deacetylase inhibitors (HDACIs), particularly valproic acid (VPA), as significant enhancers of the number of phenotypic HSPCs, both in vivo and during ex vivo expansion. The long-term functionality of these expanded hHSPCs was verified in a xenotransplantation model with NSG mice...
September 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28935952/application-of-bio-orthogonal-proteome-labeling-to-cell-transplantation-and-heterochronic-parabiosis
#20
Yan Liu, Michael J Conboy, Melod Mehdipour, Yutong Liu, Thanhtra P Tran, Aaron Blotnick, Prasanna Rajan, Thalie Cavalcante Santos, Irina M Conboy
Studies of heterochronic parabiosis demonstrated that with age, the composition of the circulatory milieu changes in ways that broadly inhibit tissue regenerative capacity. In addition, local tissue niches have age-specific influences on their resident stem cells. Here we use bio-orthogonal proteome labeling for detecting in vivo proteins present only in transplanted myoblasts, but not in host tissue, and proteins exclusive to one young mouse and transferred during parabiosis to its old partner. We use a transgenic mouse strain that ubiquitously expresses a modified tRNA methionine synthase, metRS, which preferentially incorporates the methionine surrogate azido-nor-leucine (ANL) into newly generated proteins...
September 21, 2017: Nature Communications
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