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Autologous Blood

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https://www.readbyqxmd.com/read/28735348/analysis-of-the-cd8-t-cell-anti-hiv-activity-in-heterologous-cell-co-cultures-reveals-the-benefit-of-multiple-hla-class-i-matches
#1
M Scott Killian, Fernando Teque, Ramu Sudhagoni
CD8(+) T lymphocytes can reduce the production of human immunodeficiency virus 1 (HIV-1) by CD4(+) T cells by cytotoxic and non-cytotoxic mechanisms. To investigate the involvement of human leukocyte antigen (HLA) class I compatibility in anti-HIV responses, we co-cultured primary CD8(+) T cells, isolated from the peripheral blood of HIV-1-infected individuals, with panels of autologous and heterologous acutely HIV-1-infected primary CD4(+) T cells. Altogether, CD8(+) T cell anti-HIV activity was evaluated in more than 200 co-cultures...
July 22, 2017: Immunogenetics
https://www.readbyqxmd.com/read/28732386/a-phase-i-trial-of-nk-92-cells-for-refractory-hematological-malignancies-relapsing-after-autologous-hematopoietic-cell-transplantation-shows-safety-and-evidence-of-efficacy
#2
Brent A Williams, Arjun Datt Law, Bertrand Routy, Neal denHollander, Vikas Gupta, Xing-Hua Wang, Amélie Chaboureau, Sowmya Viswanathan, Armand Keating
BACKGROUND: Autologous NK cell therapy can treat a variety of malignancies, but is limited by patient-specific variations in potency and cell number expansion. In contrast, allogeneic NK cell lines can overcome many of these limitations. Cells from the permanent NK-92 line are constitutively activated, lack inhibitory receptors and appear to be safe based on two prior phase I trials. MATERIALS AND METHODS: We conducted a single-center, non-randomized, non-blinded, open-label, Phase I dose-escalation trial of irradiated NK-92 cells in adults with refractory hematological malignancies who relapsed after autologous hematopoietic cell transplantation (AHCT)...
July 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28729299/notch2-blockade-enhances-hematopoietic-stem-cell-mobilization-and-homing
#3
Weihuan Wang, Shuiliang Yu, Jay Myers, Yiwei Wang, William W Xin, Marwah Alkabri, Alison W Xin, Ming Li, Alex Y Huang, Wei Xin, Christian W Siebel, Hillard M Lazarus, Lan Zhou
Despite use of newer approaches, some patients being considered for autologous hematopoietic cell transplantation may mobilize limited numbers of hematopoietic progenitor cells into blood, precluding use of the procedure, or being placed at increased risk for complications due to slow hematopoietic reconstitution. Developing more efficacious hematopoietic progenitor cell mobilization regimens and strategies may enhance the mobilization process and improve patient outcome. Although Notch signaling is dispensable for homeostasis of adult hematopoietic stem cells, Notch-ligand adhesive interaction maintains hematopoietic stem cell quiescence and niche retention...
July 20, 2017: Haematologica
https://www.readbyqxmd.com/read/28728493/treating-breast-cancer-with-cell-based-approaches-an-overview
#4
Susanna Gallo, Dario Sangiolo, Fabrizio Carnevale Schianca, Massimo Aglietta, Filippo Montemurro
Breast cancer is the most common malignancy in women. Despite there being considerable progress in the treatment of this disease, metastatic dissemination is still considered an incurable condition at the present time, causing 500,000 deaths worldwide every year. Although most of the research efforts have been focused on pharmacological approaches, over the last three decades, the use of bone marrow and peripheral blood-derived cell therapy approaches have been attempted and developed. Areas covered: This review will briefly address cell therapy for breast cancer, including autologous stem cell transplantations for overcoming the myelosuppressive effects of high-dose chemotherapy, allogeneic stem cell transplants and adoptive immunotherapy using bone-marrow derived T-cells...
July 20, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28725044/cord-blood-nk-cells-engineered-to-express-il-15-and-a-cd19-targeted-car-show-long-term-persistence-and-potent-anti-tumor-activity
#5
E Liu, Y Tong, G Dotti, H Shaim, B Savoldo, M Mukherjee, J Orange, X Wan, X Lu, A Reynolds, M Gagea, P Banerjee, R Cai, M H Bdaiwi, R Basar, M Muftuoglu, L Li, D Marin, W Wierda, M Keating, R Champlin, E Shpall, K Rezvani
Chimeric antigen receptors (CARs) have been used to redirect the specificity of autologous T-cells against leukemia and lymphoma with promising clinical results.(1-3) Extending this approach to allogeneic T-cells is problematic as they carry a significant risk of graft-versus-host disease (GVHD). Natural killer (NK) cells are highly cytotoxic effectors, killing their targets in a non-antigen specific manner without causing GVHD. Cord blood (CB) offers an attractive, allogeneic, off-the-self source of NK cells for immunotherapy...
July 20, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28724573/a-single-dose-of-peripherally-infused-egfrviii-directed-car-t-cells-mediates-antigen-loss-and-induces-adaptive-resistance-in-patients-with-recurrent-glioblastoma
#6
Donald M O'Rourke, MacLean P Nasrallah, Arati Desai, Jan J Melenhorst, Keith Mansfield, Jennifer J D Morrissette, Maria Martinez-Lage, Steven Brem, Eileen Maloney, Angela Shen, Randi Isaacs, Suyash Mohan, Gabriela Plesa, Simon F Lacey, Jean-Marc Navenot, Zhaohui Zheng, Bruce L Levine, Hideho Okada, Carl H June, Jennifer L Brogdon, Marcela V Maus
We conducted a first-in-human study of intravenous delivery of a single dose of autologous T cells redirected to the epidermal growth factor receptor variant III (EGFRvIII) mutation by a chimeric antigen receptor (CAR). We report our findings on the first 10 recurrent glioblastoma (GBM) patients treated. We found that manufacturing and infusion of CAR-modified T cell (CART)-EGFRvIII cells are feasible and safe, without evidence of off-tumor toxicity or cytokine release syndrome. One patient has had residual stable disease for over 18 months of follow-up...
July 19, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28723749/effects-of-sealing-the-intramedullary-femoral-canal-in-total-knee-arthroplasty-a-randomized-study
#7
Xu Li, Xiang-Bei Qi, Xue Han, Wei Wang, Jian-Ning Liu, Ji-Chao Guo, Zhi-Yong Li
BACKGROUND: This study investigates the clinical effects of sealing the femoral canal by intramedullary alignment instrumentation in total knee arthroplasty (TKA). METHODS: One hundred twenty consecutive patients with knee osteoarthritis, who underwent unilateral TKA, were enrolled in the study and equally randomized into 2 groups: the sealing group and the control group. In the sealing group, the femoral canal was sealed with autogenous bone and cement using intramedullary alignment instrumentation, while the femoral hole was left open for patients in the control group...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28718671/freeze-dried-and-irradiated-allograft-bone-combined-with-fresh-autologous-coagula-promotes-angiogenesis-in-an-ectopic-bone-allograft-implantation-model
#8
Haibo Lu, Haoye Meng, Shibi Lu, Ling Qin, Bin Zhao, Aiyuan Wang, Jiang Peng, Wenjing Xu, Quanyi Guo, Jian Zhang
BACKGROUND: Freeze-dried and irradiated allograft bone (FIAB) is more easily impacted than fresh-frozen allograft bone (FAB) but has weaker incorporation efficiency. We combined FIAB with fresh autologous coagula to enhance donor-host incorporation after impaction during hip revision. METHODS: Thirty adult male Sprague-Dawley rats were sacrificed for bone allograft harvesting, and nine male rats were subjected to ectopic bone allograft implantation. For each rat, the container on the left (study) side was filled with freeze-dried allograft bone powder and fresh autologous blood coagula, whereas the right (control) side was filled with freeze-dried allograft bone powder and physiological saline...
July 18, 2017: Connective Tissue Research
https://www.readbyqxmd.com/read/28718036/paravertebral-blocks-reduce-narcotic-use-without-affecting-perfusion-in-patients-undergoing-autologous-breast-reconstruction
#9
Elizabeth B Odom, Nili Mehta, Rajiv P Parikh, Ryan Guffey, Terence M Myckatyn
BACKGROUND: Autologous breast reconstruction offers excellent long term outcomes after mastectomy. However, maintaining adequate postoperative analgesia remains challenging. Use of paravertebral blocks (PVBs) reduces postoperative narcotic use and length of stay, and enhanced recovery protocols with mixed analgesia methods are gaining popularity, but few studies have explored the intraoperative effects of these interventions. METHODS: Patients who underwent abdominally based autologous breast reconstruction between 2010 and 2016 were compiled into a retrospective database...
July 17, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28713748/closure-of-oroantral-communication-using-platelet-rich-fibrin-a-report-of-two-cases
#10
Mounzer Assad, Waseem Bitar, Mohammed Nasser Alhajj
Oroantral communication (OAC) is an abnormal connection between the maxillary sinus and oral cavity. It is mostly formed after the extraction of the first and second upper molars. Platelet-rich fibrin (PRF) created by Choukroun's protocol concentrates most platelets and leukocytes from a blood harvest to a single autologous fibrin biomaterial. It has been used widely in oral and maxillofacial surgery. However, no data are available concerning the use of PRF alone as a clot and a membrane for the closure of OACs...
January 2017: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28713639/a-prospective-nonrandomized-no-placebo-controlled-phase-i-ii-clinical-trial-assessing-the-safety-and-efficacy-of-intramuscular-injection-of-autologous-adipose-tissue-derived-mesenchymal-stem-cells-in-patients-with-severe-buerger-s-disease
#11
Jeong Chan Ra, Euicheol C Jeong, Sung Keun Kang, Seog Ju Lee, Kyoung Ho Choi
Buerger's disease is a rare and severe disease affecting the blood vessels of the limbs. Adipose tissue-derived mesenchymal stem cells (ADSCs) have the potential to cure Buerger's disease when developed as a stem cell drug. In the present study, we conducted a prospective, nonrandomized, no placebo-controlled, phase I/II clinical trial with a 2-year follow-up questionnaire survey. A total of 17 patients were intramuscularly administered autologous ADSCs at a dose of 5 million cells/kg. The incidence of adverse events (AEs), adverse drug reaction (ADR), and serious adverse events (SAEs) was monitored...
2017: Cell Medicine
https://www.readbyqxmd.com/read/28713638/neurovascular-cell-sheet-transplantation-in-a-canine-model-of-intracranial-hemorrhage
#12
Woo-Jin Lee, Jong Young Lee, Keun-Hwa Jung, Soon-Tae Lee, Hyo Yeol Kim, Dong-Kyu Park, Jung-Suk Yu, So-Yun Kim, Daejong Jeon, Manho Kim, Sang Kun Lee, Jae-Kyu Roh, Kon Chu
Cell-based therapy for intracerebral hemorrhage (ICH) has a great therapeutic potential. However, methods to effectively induce direct regeneration of the damaged neural tissue after cell transplantation have not been established, which, if done, would improve the efficacy of cell-based therapy. In this study, we aimed to develop a cell sheet with neurovasculogenic potential and evaluate its usefulness in a canine ICH model. We designed a composite cell sheet made of neural progenitors derived from human olfactory neuroepithelium and vascular progenitors from human adipose tissue-derived stromal cells...
2017: Cell Medicine
https://www.readbyqxmd.com/read/28713390/hematopoietic-stem-cell-transplantation-in-an-infant-with-immunodeficiency-centromeric-instability-and-facial-anomaly-syndrome
#13
Katharina L Gössling, Cyrill Schipp, Ute Fischer, Florian Babor, Gerhard Koch, Friedhelm R Schuster, Jutta Dietzel-Dahmen, Dagmar Wieczorek, Arndt Borkhardt, Roland Meisel, Michaela Kuhlen
Immunodeficiency, centromeric instability, and facial anomaly (ICF) syndrome is a rare autosomal recessive genetic condition with severe immunodeficiency, which leads to lethal infections if not recognized and treated in early childhood. Up-to-date treatment regimens consist of prophylactic and supportive treatment of the recurrent infections. Here, we report the case of a 1-year-old boy of Moroccan consanguineous parents, who was diagnosed at 4 months of age with ICF syndrome with a homozygous missense mutation in the DNMT3B gene...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28712489/plant-made-virus-like-particles-bearing-influenza-hemagglutinin-ha-recapitulate-early-interactions-of-native-influenza-virions-with-human-monocytes-macrophages
#14
Alexander I Makarkov, Sabrina Chierzi, Stéphane Pillet, Keith K Murai, Nathalie Landry, Brian J Ward
INTRODUCTION: Plant-made virus-like particles (VLP) bearing influenza virus hemagglutinins (HA) are novel vaccine candidates that induce cross-reactive humoral and poly-functional T cell responses. To better understand the mechanisms that underlie this broad immunogenicity we studied early interactions of VLPs bearing either H1 (A/California/07/2009 (H1N1)) or H5 (A/Indonesia/05/2005 (H5N1)) with a human monocytoid cell line (U-937 cells) and human monocyte-derived macrophages (MDMs) as model antigen-presenting cells (APC)...
July 13, 2017: Vaccine
https://www.readbyqxmd.com/read/28711452/hematopoietic-stem-cell-transplantation-in-algeria
#15
REVIEW
M A Bekadja, M Brahimi, S Osmani, N Yafour, A Krim, F Serradj, S Talhi, K Amani, R Bouhass
Algeria is a country of 40.4 million inhabitants half of whom are younger than 30years. In Algeria, healthcare insurance covers 90% of the population. Healthcare is free and it is supported by the Ministry of Health. Sixteen university hospitals exist in Algeria and only two (Algiers and Oran) practice bone marrow transplant. Hematologic malignancies in adults account for 10% (∼4000 new cases/y) of the malignancy affecting in most cases young patients under 65years of age. In 2016, 270 transplants were performed (Algiers and Oran), including 149 allografts (related donor transplants: 99%) and 121 autografts...
July 11, 2017: Hematology/oncology and Stem Cell Therapy
https://www.readbyqxmd.com/read/28710313/ex-vivo-pd-l1-pd-1-pathway-blockade-reverses-dysfunction-of-circulating-cea-specific-t-cells-in-pancreatic-cancer-patients
#16
Yuan Chen, Shao-An Xue, Goran Hamid Mohammad, Stephen P Pereira, Emma Morris, Shahriar Behboudi
Carcinoembryonic antigen (CEA) is a candidate target for cellular immunotherapy of pancreatic cancer (PC). In this study, we have characterised the antigen-specific function of autologous cytotoxic T lymphocytes (CTL) specific for the HLA-A2 restricted peptide, pCEA691-699, isolated from the peripheral T cell repertoire of PC patients and sought to determine if ex vivo PD-L1 & TIM3 blockade could enhance CTL function. CD8(+) T cell lines were generated from peripheral blood mononuclear cells (PBMCs) of 18 HLA-A2(+) patients with PC and from 15 healthy controls...
July 14, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28710042/new-evidence-for-a-causal-central-mechanism-of-hyperglicemia-in-subarachnoid-hemorrhage-secondary-to-ischemic-degenerative-disruption-of-circuitry-among-insular-cortex-nodose-ganglion-and-pancreas-experimental-study
#17
Mehmet Dumlu Aydın, Ayhan Kanat, Nazan Aydın, Abdulmecit Kantarci, Muhammet Ali Ayvaz, Halil Rakici, Coskun Yolas, Umit Kepoglu, Elif Demirci
INTRODUCTION: Although hyperglycemia is serious complication of subarachnoid hemorrhage, its pathophysiologic mechanism based on neural circuitry has not been known. MATERIALS AND METHODS: Twent-Five rabbits were used in this study. They divided into four groups. 5 were control group. The SHAM and study group received 1cc saline and 1cc autologous arterial blood into the sylvian cisterna, respectivelly. Blood glucose values (BGV) of all animals were recorded three times in a week...
July 11, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28708802/characterization-and-expansion-of-autologous-gmp-ready-regulatory-t-cells-for-treg-based-cell-therapy-in-patients-with-ulcerative-colitis
#18
Caroline J Voskens, Anika Fischer, Susanne Roessner, Carmen Lorenz, Simon Hirschmann, Raja Atreya, Clemens Neufert, Imke Atreya, Markus F Neurath, Gerold Schuler
BACKGROUND: A local imbalance between regulatory (Treg) and effector T cells is believed to play a major role in gut-specific inflammation, including ulcerative colitis (UC). Restoration of this balance through an adoptive Treg transfer is an attractive new treatment approach in patients who are refractory to current standard therapies. It was our goal to develop a Good Manufacturing Practices (GMP)-conform protocol for expansion of UC Treg cells as a rational backbone for future studies on Treg therapy in UC...
August 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28706829/platelet-rich-plasma-augmentation-for-hip-arthroscopy
#19
Sandeep Mannava, Jorge Chahla, Andrew G Geeslin, Mark E Cinque, Kaitlyn E Whitney, Thos A Evans, Salvatore J Frangiamore, George LeBus, Jonathan Godin, Robert F LaPrade, Marc J Philippon
Biological augmentation and therapeutics are being increasingly used in musculoskeletal and orthopaedic care. Platelet-rich plasma (PRP) is produced from centrifugation of peripheral blood, a process that concentrates platelets within autologous plasma. The process of PRP preparation is fundamental in controlling the contents, and it influences its therapeutic potential. Platelets contain alpha granules that store and release a variety of growth factors and other proteins that may augment the healing environment; PRP also has the added benefit of promoting postsurgical hemostasis...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28706113/pd-l1-programmed-death-ligand-1-protects-against-experimental-intracerebral-hemorrhage-induced-brain-injury
#20
Ranran Han, Jiaying Luo, Yanchao Shi, Yang Yao, Junwei Hao
BACKGROUND AND PURPOSE: Intracerebral hemorrhage (ICH) is a neurologically destructive stroke, for which no valid treatment is available. This preclinical study examined the therapeutic effect of PD-L1 (programmed death ligand 1), a B7 family member and a ligand for both PD-1 (programmed death 1) and B7-1 (CD80), in a murine ICH model. METHODS: ICH was induced by injecting autologous blood into 252 male C57BL/6 and Rag1(-/-) mice. One hour later, ICH mice were randomly assigned to receive an intraperitoneal injection of vehicle, PD-L1, or anti-PD-L1 antibody...
July 13, 2017: Stroke; a Journal of Cerebral Circulation
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