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Autologous Blood

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https://www.readbyqxmd.com/read/28942575/a-contact-based-method-for-differentiation-of-human-mesenchymal-stem-cells-into-an-endothelial-cell-phenotype
#1
Binata Joddar, Shweta Anil Kumar, Alok Kumar
Adult stem cells such as mesenchymal stem cells (MSC) are known to possess the ability to augment neovascularization processes and are thus widely popular as an autologous source of progenitor cells. However there is a huge gap in our current knowledge of mechanisms involved in differentiating MSC into endothelial cells (EC), essential for lining engineered blood vessels. To fill up this gap, we attempted to differentiate human MSC into EC, by culturing the former onto chemically fixed layers of EC or its ECM, respectively...
September 23, 2017: Cell Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28942020/cd25-expressing-th17-cells-mediate-cd8-t-cell-suppression-in-ctla-4-dependent-mechanisms-in-pancreatic-ductal-adenocarcinoma
#2
Cuicui Lang, Jinyan Wang, Lei Chen
The tumor-associated immune response is governed by the signalling events of various regulatory molecules, one of which is the cytotoxic T lymphocyte-associated antigen 4 (CTLA-4). In conventional T cells, CTLA-4 could outcompete CD28 in binding to CD80/86 but does not produce a co-stimulatory signal, resulting in T cell anergy. CTLA-4 in regulatory T cells (Tregs) could also function in a cell-extrinsic fashion by removing CD80/CD86 from the antigen-presenting cells (APCs), thus preventing further priming of other T cells...
September 20, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28940439/detection-of-abcb5-tumour-antigen-specific-cd8-t-cells-in-melanoma-patients-and-implications-for-immunotherapy
#3
Sylvia Borchers, Christoph Masslo, Christina Ann Müller, Anika Tahedl, Jennifer Volkind, Yvonne Nowak, Viktor Umansky, Jasmina Esterlechner, Markus Hermann Frank, Christoph Ganss, Mark Andreas Kluth, Jochen Utikal
ABCB5 has been identified as a tumour initiating cell marker and is expressed in various malignancies, including melanoma. Moreover, treatment with anti-ABCB5 monoclonal antibodies has been shown to inhibit tumour growth in xenotransplantation models. Therefore, ABCB5 represents a potential target for cancer immunotherapy. However, cellular immune responses against ABCB5 in humans have not been described so far. Here, we investigated whether ABCB5-reactive T cells are present in human melanoma patients and tested the applicability of ABCB5-derived peptides for experimental induction of human T cell responses...
September 23, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28939663/hepatoma-intrinsic-ccrk-inhibition-diminishes-myeloid-derived-suppressor-cell-immunosuppression-and-enhances-immune-checkpoint-blockade-efficacy
#4
Jingying Zhou, Man Liu, Hanyong Sun, Yu Feng, Liangliang Xu, Anthony W H Chan, Joanna H Tong, John Wong, Charing Ching Ning Chong, Paul B S Lai, Hector Kwong-Sang Wang, Shun-Wa Tsang, Tyler Goodwin, Rihe Liu, Leaf Huang, Zhiwei Chen, Joseph Jy Sung, King Lau Chow, Ka Fai To, Alfred Sze-Lok Cheng
OBJECTIVE: Myeloid-derived suppressor cells (MDSCs) contribute to tumour immunosuppressive microenvironment and immune-checkpoint blockade resistance. Emerging evidence highlights the pivotal functions of cyclin-dependent kinases (CDKs) in tumour immunity. Here we elucidated the role of tumour-intrinsic CDK20, or cell cycle-related kinase (CCRK) on immunosuppression in hepatocellular carcinoma (HCC). DESIGN: Immunosuppression of MDSCs derived from patients with HCC and relationship with CCRK were determined by flow cytometry, expression analyses and co-culture systems...
September 22, 2017: Gut
https://www.readbyqxmd.com/read/28936285/clinical-and-radiological-outcome-of-arthrocentesis-followed-by-autologous-blood-injection-for-treatment-of-chronic-recurrent-temporomandibular-joint-dislocation
#5
Jinesh Patel, Kumar Nilesh, M I Parkar, Alpesh Vaghasiya
BACKGROUND: This study was conducted to evaluate the functional outcome and MRI findings of arthrocentsis followed by autologous blood injection (ABI) into the joint space for management of chronic recurrent TMJ dislocation. MATERIAL AND METHODS: Total ten patients with bilateral chronic recurrent condylar dislocation were included in the study. Arthrocentesis of both TMJ was performed on each patient, followed by the injection of 2 ml of autologous blood into the superior joint compartment and 1 ml onto the outer surface of the joint capsule...
August 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28935883/ex-vivo-expanded-human-nk-cells-survive-and-proliferate-in-humanized-mice-with-autologous-human-immune-cells
#6
Fatemeh Vahedi, Tina Nham, Sophie M Poznanski, Marianne V Chew, Mira M Shenouda, Dean Lee, Ali A Ashkar
Adoptive immune cell therapy is emerging as a promising immunotherapy for cancer. Particularly, the adoptive transfer of NK cells has garnered attention due to their natural cytotoxicity against tumor cells and safety upon adoptive transfer to patients. Although strategies exist to efficiently generate large quantities of expanded NK cells ex vivo, it remains unknown whether these expanded NK cells can persist and/or proliferate in vivo in the absence of exogenous human cytokines. Here, we have examined the adoptive transfer of ex vivo expanded human cord blood-derived NK cells into humanized mice reconstituted with autologous human cord blood immune cells...
September 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28935121/treatment-of-acute-ocular-chemical-burns
#7
REVIEW
Namrata Sharma, Manpreet Kaur, Tushar Agarwal, Virender S Sangwan, Rasik B Vajpayee
Ocular chemical burns are an ophthalmic emergency and are responsible for 11.5% to 22.1% of ocular injuries. Immediate copious irrigation is universally recommended in acute ocular burns to remove the offending agent and minimize damage. Conventional medical therapy consists of the use of agents that promote epithelialization, minimize inflammation, and prevent cicatricial complications. Biological fluids such as autologous serum, umbilical cord blood serum, platelet-rich plasma, and amniotic membrane suspension are a rich source of growth factors and promote healing when used as adjuncts to conventional therapy...
September 18, 2017: Survey of Ophthalmology
https://www.readbyqxmd.com/read/28934662/a-pc-pu-nanoparticle-pu-decellularized-scaffold-composite-vascular-patch-synergistically-optimized-overall-performance-promotes-endothelialization
#8
Jun Zhang, Cheng Liu, Fuling Feng, Dawei Wang, Shuaishuai Lu, Guo Wei, Hong Mo, Tong Qiao
Composite vascular patches have gained increasingly attention due to the limited availability of autologous patches (vascular graft materials made from the blood vessels of the same recipient), the lack of growth capability of nonautologous patches (vascular graft materials made from the blood vessels of a different donor) and the disadvantages of synthetic patches. In this study, we report a highly biocompatible phosphatidylcholine-polyurethane nanoparticle/polyurethane/decellularized scaffold composite vascular patch (PCVP)...
September 6, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28933328/-local-application-of-tranexamic-acid-in-total-hip-arthroplasty-decreases-blood-loss-and-consumption-of-blood-transfusion
#9
J Lošťák, J Gallo, M Večeřa, J Špička, K Langová
PURPOSE OF THE STUDY The primary aim of our study was to identify the effects of local application of tranexamic acid (TXA, Exacyl) on the amount of postoperative blood loss and blood transfusion requirement in primary total hip arthroplasty. We also recorded the levels of postoperative haemoglobin and its drop in early period after surgery. In each patient, we monitored in detail the incidence of early complications (haematoma, wound exudate). Lastly, the economic aspect of TXA administration was also taken into account...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28932646/reconstitution-of-multifunctional-cd56-low-cd16-low-natural-killer-cell-subset-in-children-with-acute-leukemia-given-%C3%AE-%C3%AE-t-cell-depleted-hla-haploidentical-haematopoietic-stem-cell-transplantation
#10
Stabile Helena, Nisti Paolo, Peruzzi Giovanna, Fionda Cinzia, Pagliara Daria, Pomonia Brescia Letizia, Merli Pietro, Locatelli Franco, Angela Santoni, Angela Gismondi
We recently described the CD56(low)CD16(low) subset of Natural Killer (NK) cells that both mediate cytotoxic activity and produce IFNγ, being more abundant in bone marrow (BM) than in peripheral blood (PB) of pediatric normal subjects. Given the multifunctional properties of this subset, we examined its development and functional recovery in a cohort of children undergoing α/β T-cell depleted HLA-haploidentical haematopoietic stem cell transplantation (HSCT). The results obtained indicate that CD56(low)CD16(low) NK cells are present in both PB and BM already at one month post-HSCT, with an increased frequency in BM of graft recipients as compared with normal subjects...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28931519/beta-cell-replacement-in-mice-using-human-type-1-diabetes-nuclear-transfer-embryonic-stem-cells
#11
Lina Sui, Nichole Danzl, Sean R Campbell, Ryan Viola, Damian Williams, Yuan Xing, Yong Wang, Neil Phillips, Greg Poffenberger, Bjarki Johannesson, Jose Oberholzer, Alvin C Powers, Rudolph L Leibel, Xiaojuan Chen, Megan Sykes, Dieter Egli
Beta cells derived from stem cells hold great promise for cell replacement therapy for diabetes. Here we examine the ability of nuclear transfer embryonic stem cells (NT-ES) derived from a type 1 diabetes patient to differentiate into beta cells, and provide a source of autologous islets for cell replacement. NT-ES cells differentiate in vitro with an average efficiency of 55% into C-peptide-positive cells, expressing markers of mature beta cells, including MAFA and NKX6.1. Upon transplantation in immunodeficient mice, grafted cells form vascularized islet-like structures containing MAFA/C-peptide-positive cells...
September 20, 2017: Diabetes
https://www.readbyqxmd.com/read/28930916/peripheral-muscle-near-infrared-spectroscopy-nirs-variables-are-altered-early-in-septic-shock
#12
Diego Orbegozo, Fuhong Su, Keliang Xie, Lokmane Rahmania, Fabio Silvio Taccone, Daniel De Backer, Jean-Louis Vincent, Jacques Creteur
BACKGROUND: Non-invasive evaluation of muscle perfusion using near infrared spectroscopy (NIRS) coupled with a vascular occlusion test (VOT) may provide an early and simple marker of altered perfusion and microcirculatory function in sepsis. OBJECTIVE: To compare the time-course of NIRS-derived variables with systemic measures of perfusion in an experimental model of peritonitis. METHODS: Peritonitis was induced in eight anesthetized, mechanically ventilated, adult sheep (24-34 Kg), by injecting autologous feces into the peritoneal cavity...
September 19, 2017: Shock
https://www.readbyqxmd.com/read/28930850/evaluation-of-acute-normovolemic-hemodilution-in-patients-undergoing-intracranial-meningioma-resection-a-quasi-experimental-trial
#13
Lei Yang, Hui-Hui Wang, Fu-Sheng Wei, Long-Xian Ma
The aim of this study was to evaluate the safety of acute normovolemic hemodilution (ANH) for patients undergoing intracranial meningioma resection.Eighty patients (aged 48-65 years) with American Society of Anesthesiologists physical status I-II undergoing intracranial meningioma resection were included in this prospective observational study. The patients were randomly divided into group A (ANH group), which underwent a combination of ANH and intraoperative cell salvage (ICS), and group B (control group), which underwent ICS alone...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28927562/periarticular-injection-of-tranexamic-acid-reduces-blood-loss-and-the-necessity-for-allogeneic-transfusion-after-total-knee-arthroplasty-using-autologous-transfusion-a-retrospective-observational-study
#14
Sain Yozawa, Hiroyasu Ogawa, Kazu Matsumoto, Haruhiko Akiyama
BACKGROUND: This study aimed to examine the influence of a periarticular injection of tranexamic acid (TXA) on blood loss after a total knee arthroplasty (TKA) in patients who received an autologous blood transfusion. METHODS: We retrospectively reviewed the medical charts of 82 patients (88 consecutive knees) who underwent a primary unilateral TKA with or without a periarticular TXA injection (TXA and control groups, respectively). All patients underwent an autologous blood transfusion...
August 24, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28922455/stem-cell-mobilization-in-patients-with-dialysis-dependent-multiple-myeloma-report-of-the-polish-multiple-myeloma-group
#15
Anna Waszczuk-Gajda, Joanna Drozd-Sokołowska, Piotr Boguradzki, Jarosław Dybko, Tomasz Wróbel, Grzegorz Władysław Basak, Krzysztof Mądry, Emilian Snarski, Grzegorz Charliński, Ewa Frączak, Joanna Matuszkiewicz-Rowińska, Marian Klinger, Hanna Augustyniak-Bartosik, Magdalena Krajewska, Paweł Żebrowski, Maria Król, Elżbieta Urbanowska, Artur Jurczyszyn, Michał Taszner, Wieslaw Wiktor Jędrzejczak, Jadwiga Dwilewicz-Trojaczek
INTRODUCTION: High-dose chemotherapy with autologous hematopoietic stem cell transplantation (auto-HSCT) improves the outcome of patients with multiple myeloma (MM). It seems that auto-HSCT is also a feasible therapeutic option in MM dialysis-dependent (MMDD) patients. However, to perform transplantation, a sufficient number of stem cells must be collected. MATERIALS AND METHODS: Given that data on mobilization of auto-HSC efficacy and safety in dialysis-dependent patients are limited, we report data from all Polish Centers belonging to the Polish Multiple Myeloma Group...
September 18, 2017: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/28920949/autologous-hematopoietic-cell-transplantation-for-multiple-myeloma-patients-with-renal-insufficiency-a-center-for-international-blood-and-marrow-transplant-research-analysis
#16
A Mahindra, P Hari, R Fraser, M Fei, J Huang, J Berdeja, N Callander, L Costa, M A Diaz, C Freytes, R P Gale, S Girnius, L Holmberg, M Kharfan-Dabaja, S Kumar, R Kyle, H Lazarus, C Lee, A Maiolino, J Moreb, T Nishihori, A Pawarode, A Saad, B N Savani, J Schriber, B William, B M Wirk, A Krishnan, Y Nieto, A D'Souza
Autologous hematopoietic cell transplantation (AHCT) in multiple myeloma (MM) patients with renal insufficiency (RI) is controversial. Patients who underwent AHCT for MM between 2008 and 2013 were identified (N=1492) and grouped as normal/mild (⩾60 mL/min), N=1240, moderate (30-59), N=185 and severe RI (<30), N=67 based on Modification of Diet in Renal Disease. Multivariate analyses of non-relapse mortality (NRM), relapse, PFS and overall survival (OS) were performed. Of the 67 patients with severe RI, 35 were on dialysis prior to AHCT...
September 18, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28918288/th9-cells-promote-antitumor-immunity-via-il-9-and-il-21-and-demonstrate-atypical-cytokine-expression-in-breast-cancer
#17
Fa-Ping You, Jian Zhang, Tao Cui, Rui Zhu, Chong-Qing Lv, Hai-Tao Tang, Di-Wen Sun
Breast cancer is a major cause of cancer-related death in women. Antitumor T cell responses play critical therapeutic roles, including direct cytotoxicity mediated by CD8(+) T cells and immunomodulatory roles mediated by CD4(+) T cells. The IL-9-expressing Th9 cells are recently found to present antitumor immunity in melanoma and lung adenocarcinoma. In this study, we found that IL-9 expression in the serum and in circulating CD4(+) T cells were significantly upregulated in breast cancer patients compared to healthy controls...
September 14, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28917628/an-engineered-biomarker-system-to-monitor-and-modulate-immune-clearance-of-cell-therapies
#18
Amy Singleton, Danika Khong, Ling-Yee Chin, Shilpaa Mukundan, Matthew Li, Biju Parekkadan
BACKGROUND AIMS: Cell transplants offer a new opportunity to deliver therapies with novel and complex mechanisms of action. Understanding the pharmacology of cell transplants is important to deliver this new therapy effectively. Currently, however, there are limited techniques to easily track cells after intravenous administration due to the dispersion of the graft throughout the entire body. METHODS: We herein developed an engineered cell system that secretes a luciferase enzyme to sensitively detect cell transplants independent of their locale by a simple blood test...
September 13, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28915929/the-combination-of-stem-cells-and-tissue-engineering-an-advanced-strategy-for-blood-vessels-regeneration-and-vascular-disease-treatment
#19
REVIEW
Ying Wang, Pei Yin, Guang-Liang Bian, Hao-Yue Huang, Han Shen, Jun-Jie Yang, Zi-Ying Yang, Zhen-Ya Shen
Over the past years, vascular diseases have continued to threaten human health and increase financial burdens worldwide. Transplantation of allogeneic and autologous blood vessels is the most convenient treatment. However, it could not be applied generally due to the scarcity of donors and the patient's condition. Developments in tissue engineering are contributing greatly with regard to this urgent need for blood vessels. Tissue engineering-derived blood vessels are promising alternatives for patients with aortic dissection/aneurysm...
September 15, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28914400/an-in-vivo-study-on-endothelialized-vascular-grafts-produced-by-autologous-biotubes-and-adipose-stem-cells-adscs
#20
Yu Chieh Tseng, Jun Neng Roan, Ying Chiang Ho, Chih Chan Lin, Ming Long Yeh
Currently, commercial synthetic vascular grafts made from Dacron and ePTFE for small-diameter, vascular applications (<6 mm) show limited reendothelization and are less compliant, often resulting in thrombosis and intimal hyperplasia. Although good blood compatibility can be achieved in autologous arteries and veins, the number of high quality harvest sites is limited, and the grafts are size-mismatched for use in the fistula or cardiovascular bypass surgery; thus, alternative small graft substitutes must be developed...
September 15, 2017: Journal of Materials Science. Materials in Medicine
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