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Cytotherapy

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https://www.readbyqxmd.com/read/28343898/comparison-of-human-mesenchymal-stromal-cells-from-four-neonatal-tissues-amniotic-membrane-chorionic-membrane-placental-decidua-and-umbilical-cord
#1
Anelise Bergmann Araújo, Gabrielle Dias Salton, Juliana Monteiro Furlan, Natália Schneider, Melissa Helena Angeli, Álvaro Macedo Laureano, Lúcia Silla, Eduardo Pandolfi Passos, Ana Helena Paz
BACKGROUND: Mesenchymal stromal cells (MSCs) are being investigated as a potential alternative for cellular therapy. This study was designed to compare the biological characteristics of MSCs isolated from amniotic membrane (A-MSCs), chorionic membrane (C-MSCs), placental decidua (D-MSCs) and umbilical cord (UC-MSCs) to ascertain whether any one of these sources is superior to the others for cellular therapy purposes. METHODS: MSCs were isolated from amniotic membrane, chorionic membrane, umbilical cord and placental decidua...
March 23, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28314668/extracellular-superoxide-dismutase-increased-the-therapeutic-potential-of-human-mesenchymal-stromal-cells-in-radiation-pulmonary-fibrosis
#2
Li Wei, Jing Zhang, Zai-Liang Yang, Hua You
BACKGROUND AIMS: Pulmonary fibrosis induced by irradiation is a significant problem of radiotherapy in cancer patients. Extracellular superoxide dismutase (SOD3) is found to be predominantly and highly expressed in the extracellular matrix of lung and plays a pivotal role against oxidative damage. Early administration of mesenchymal stromal cells (MSCs) has been demonstrated to reduce fibrosis of damaged lung. However, injection of MSCs at a later stage would be involved in fibrosis development...
March 14, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28285950/human-amniotic-mesenchymal-stromal-cell-transplantation-improves-endometrial-regeneration-in-rodent-models-of-intrauterine-adhesions
#3
Lu Gan, Hua Duan, Qian Xu, Yi-Qun Tang, Jin-Jiao Li, Fu-Qing Sun, Sha Wang
BACKGROUND AIMS: Intrauterine adhesion (IUA) is a common uterine cavity disease characterized by the unsatisfactory regeneration of damaged endometria. Recently, stem cell transplantation has been proposed to promote the recovery process. Here we investigated whether human amniotic mesenchymal stromal cells (hAMSCs), a valuable resource for transplantation therapy, could improve endometrial regeneration in rodent IUA models. METHODS: Forty female Sprague-Dawley rats were randomly assigned to five groups: normal, sham-operated, mechanical injury, hAMSC transplantation, and negative control group...
March 9, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28262466/should-we-practice-stem-cell-therapy-for-type-1-diabetes-mellitus-as-precision-medicine
#4
LETTER
Umang G Thakkar, Aruna V Vanikar, Hargovind L Trivedi
No abstract text is available yet for this article.
March 2, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28262465/characterization-of-human-fibroblastic-reticular-cells-as-potential-immunotherapeutic-tools
#5
Jaris Valencia, Eva Jiménez, Víctor G Martínez, Beatriz G Del Amo, Laura Hidalgo, Ana Entrena, Lidia M Fernández-Sevilla, Francisco Del Río, Alberto Varas, Ángeles Vicente, Rosa Sacedón
Fibroblastic reticular cells (FRCs) are essential players during adaptive immune responses not only as a structural support for the encounter of antigen-presenting cells and naive T lymphocytes but also as a source of modulatory signals. However, little is known about this cell population in humans. To address the phenotypical and functional analysis of human FRCs here we established splenic (SP) and mesenteric lymph node (LN) CD45(-)CD31(-)CD90(+)podoplanin(+) myofibroblastic cell cultures. They shared the phenotypical characteristics distinctive of FRCs, including the expression of immunomodulatory factors and peripheral tissue antigens...
March 2, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28233640/mesenchymal-stromal-cells-for-the-delivery-of-oncolytic-viruses-in-gliomas
#6
REVIEW
Brittany C Parker Kerrigan, Yuzaburo Shimizu, Michael Andreeff, Frederick F Lang
Mesenchymal stromal cells (MSCs) are a type of adult stem cell that has been exploited for the treatment of a variety of diseases, including cancer. In particular, MSCs have been studied extensively for their ability to treat glioblastoma (GBM), the most common and deadly form of brain cancer in adults. MSCs are attractive therapeutics because they can be obtained relatively easily from patients, are capable of being expanded numerically in vitro, can be easily engineered and are inherently capable of homing to tumors, making them ideal vehicles for delivering biological antitumoral agents...
February 20, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28215928/human-platelet-lysate-is-a-successful-alternative-serum-supplement-for-propagation-of-monocyte-derived-dendritic-cells
#7
Urban Švajger
BACKGROUND AIMS: Clinical protocols for dendritic cell (DC) generation from monocytes require the use of animal serum-free supplements. Serum-free media can also require up to 1% of serum supplementation. In addition, recommendations based on the 3Rs (Refinement, Reduction, Replacement) principle also recommend the use of non-animal sera in in vitro studies. The aim of this study was to explore the potential use of platelet lysate (PL) for generation of optimally differentiated DCs from monocytes...
February 16, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28215654/dendritic-cell-vaccination-in-combination-with-docetaxel-for-patients-with-metastatic-castration-resistant-prostate-cancer-a-randomized-phase-ii-study
#8
Per Kongsted, Troels Holz Borch, Eva Ellebaek, Trine Zeeberg Iversen, Rikke Andersen, Özcan Met, Morten Hansen, Henriette Lindberg, Lisa Sengeløv, Inge Marie Svane
BACKGROUND AIMS: We investigated whether the addition of an autologous dendritic cell-based cancer vaccine (DCvac) induces an immune response in patients with metastatic castration-resistant prostate cancer treated with docetaxel. METHODS: Forty-three patients were randomized 1:1 to receive up to 10 cycles of docetaxel alone, 75 mg/m(2) every 3 weeks or in combination with DCvac. Monocytes were harvested following a leukapheresis procedure, matured ex vivo and subsequently transfected with messenger RNA encoding multiple tumor-associated antigens (TAAs)...
February 15, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28215653/dendritic-cells-infected-by-ad-sh-socs1-enhance-cytokine-induced-killer-cik-cell-immunotherapeutic-efficacy-in-cervical-cancer-models
#9
Yi Zheng, Bicheng Hu, Shenggao Xie, Xiaofan Chen, Yuqian Hu, Wanping Chen, Shanshan Li, Bo Hu
BACKGROUND AIMS: Cervical cancer constitutes a major problem in women's health worldwide, but the efficacy of the standard therapy is unsatisfactory. Cytokine-induced killer (CIK) cells exhibit antitumor activity against a variety of malignancies in preclinical models and have proven safe and effective in clinical trials. However, current CIK therapy has limitations and needs to be improved to meet the clinical requirements. The aim of this study was to investigate whether suppressing the expression of cytokine signaling 1 (SOCS1) in dendritic cells (DCs) can shorten in vitro CIK culture time and improve its antitumor efficacy...
February 15, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28209525/stromal-vascular-fraction-shows-robust-wound-healing-through-high-chemotactic-and-epithelialization-property
#10
Dong-Sic Chae, Seongho Han, Mina Son, Sung-Whan Kim
BACKGROUND: Although human stromal vascular fraction (SVF) has been regarded as an attractive stem cell source, its therapeutic mechanism in wound healing has not been fully elucidated. AIMS: In this study, we investigated the molecular characteristics and therapeutic property of SVF for wound healing. METHODS: Microarray data showed that SVF cells are enriched with a higher level of wound healing or epithelium development-related genes and micro RNA...
February 13, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28188072/adjuvant-combination-therapy-with-gemcitabine-and-autologous-%C3%AE-%C3%AE-t-cell-transfer-in-patients-with-curatively-resected-pancreatic-cancer
#11
Taku Aoki, Hirokazu Matsushita, Mayumi Hoshikawa, Kiyoshi Hasegawa, Norihiro Kokudo, Kazuhiro Kakimi
BACKGROUND AIMS: The outcome for pancreatic cancer after surgery remains highly unsatisfactory, and development of more effective therapies is urgently needed. Therefore, we conducted a phase I clinical study of a novel combination of gemcitabine (GEM) and autologous γδ T-cell therapy for patients with curatively resected pancreatic cancer (University Hospital Medical Information Clinical Trials Registry identifier 000000931). METHODS: From July 2008 to December 2012, 56 consenting patients were recruited...
February 7, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28188071/a-good-manufacturing-practice-grade-standard-protocol-for-exclusively-human-mesenchymal-stromal-cell-derived-extracellular-vesicles
#12
Karin Pachler, Thomas Lener, Doris Streif, Zsuzsanna A Dunai, Alexandre Desgeorges, Martina Feichtner, Michaela Öller, Katharina Schallmoser, Eva Rohde, Mario Gimona
BACKGROUND AIMS: Extracellular vesicles (EVs) released by mesenchymal stromal cells (MSCs) may contribute to biological processes such as tissue regeneration, immunomodulation and neuroprotection. Evaluation of their therapeutic potential and application in future clinical trials demands thorough characterization of EV content and production under defined medium conditions, devoid of xenogenic substances and serum-derived vesicles. Addressing the apparent need for such a growth medium, we have developed a medium formulation based on pooled human platelet lysate (pHPL), free from animal-derived xenogenic additives and depleted of EVs...
February 7, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28162915/simple-in-vitro-generation-of-human-leukocyte-antigen-g-expressing-t-regulatory-cells-through-pharmacological-hypomethylation-for-adoptive-cellular-immunotherapy-against-graft-versus-host-disease
#13
Panagiota Stamou, Dimitra Marioli, Alexandra L Patmanidi, Argyro Sgourou, Angeliki Vittoraki, Efthymia Theofani, Chryso Pierides, Stavros Taraviras, Paul A Costeas, Alexandros Spyridonidis
BACKGROUND: Major barriers in using classical FOXP3+ regulatory T cells (Tregs) in clinical practice are their low numbers in the circulation, the lack of specific cell surface markers for efficient purification and the loss of expression of Treg signature molecules and suppressive function after in vitro expansion or in a pro-inflammatory microenviroment. A surface molecule with potent immunosuppressive function is the human leukocyte antigen-G (HLA-G), which is normally expressed in placenta protecting the "semi-allogeneic" fetus from maternal immune attack...
February 2, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28139337/graft-versus-leukemia-effect-with-a-wt1-specific-t-cell-response-induced-by-azacitidine-and-donor-lymphocyte-infusions-after-allogeneic-hematopoietic-stem-cell-transplantation
#14
Tatsunori Ishikawa, Nobuharu Fujii, Masahide Imada, Michinori Aoe, Yusuke Meguri, Tomoko Inomata, Hiromi Nakashima, Keiko Fujii, Shohei Yoshida, Hisakazu Nishimori, Ken-Ichi Matsuoka, Eisei Kondo, Yoshinobu Maeda, Mitsune Tanimoto
BACKGROUND: Azacitidine (Aza) and donor lymphocyte infusion (DLI) therapy has recently been reported as an effective salvage therapy for relapsed acute myeloid leukemia (AML) and myelodysplastic syndrome (MDS). Despite the high response rate and relatively long period of remission, most patients relapse again. The immunologic mechanism of the response and limited efficacy remain unknown. CASE REPORT: Aza + DLI therapy was performed for a patient with therapy-related MDS (t-MDS), who had relapsed after allogeneic peripheral blood stem cell transplantation...
January 27, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28131632/cd56-enriched-donor-cell-infusion-after-post-transplantation-cyclophosphamide-for-haploidentical-transplantation-of-advanced-myeloid-malignancies-is-associated-with-prompt-reconstitution-of-mature-natural-killer-cells-and-regulatory-t-cells-with-reduced-incidence
#15
Sarita Rani Jaiswal, Shamsur Zaman, Murugaiyan Nedunchezhian, Aditi Chakrabarti, Prakash Bhakuni, Margoob Ahmed, Kanika Sharma, Sheh Rawat, Paul O'donnell, Suparno Chakrabarti
We conducted a pilot study on the feasibility of CD56-enriched donor cell infusion after post-transplantation cyclophosphamide (PTCy) for 10 patients with advanced myeloid malignancies undergoing haploidentical peripheral blood stem cell transplantation with cyclosporine alone as graft-versus-host disease (GVHD) prophylaxis and compared the outcome and immune reconstitution with a control group of 20 patients undergoing the same without CD56-enriched donor cell infusion. An early and rapid surge of mature NK cells as well as CD4(+) T cells and regulatory T cells (Tregs) was noted compared with the control group...
January 25, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28109751/cord-blood-natural-killer-cells-expressing-a-dominant-negative-tgf-%C3%AE-receptor-implications-for-adoptive-immunotherapy-for-glioblastoma
#16
Eric S Yvon, Rachel Burga, Allison Powell, Conrad R Cruz, Rohan Fernandes, Cecilia Barese, Tuongvan Nguyen, Mohamed S Abdel-Baki, Catherine M Bollard
Cord blood (CB) natural killer (NK) cells are promising effector cells for tumor immunotherapy but are currently limited by immune-suppressive cytokines in the tumor microenvironment, such as transforming growth factor (TGF-β). We observed that TGF-β inhibits expression of activating receptors such as NKG2D and DNAM1 and decreases killing activity against glioblastoma tumor cells through inhibition of perforin secretion. To overcome the detrimental effects of TGF-β, we engrafted a dominant negative TGF-β receptor II (DNRII) on CB-derived NK cells by retroviral transduction and evaluated their ability to kill glioblastoma cells in the presence of TGF-β...
January 19, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28109752/measuring-the-resting-naive-sub-population-of-t-regulatory-cells-improves-prediction-of-suppressive-function-of-clinical-grade-t-regulatory-products
#17
LETTER
Abigail A Lamikanra, Wei Zhang, Hoi Pat Tsang, Phillip Morgan, David Smith, Elinor Curnow, Jon Smythe, Andy Peniket, Robert Danby, David J Roberts
No abstract text is available yet for this article.
January 18, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28089755/biodistribution-and-retention-of-locally-administered-human-mesenchymal-stromal-cells-quantitative-polymerase-chain-reaction-based-detection-of-human-dna-in-murine-organs
#18
Michael Creane, Linda Howard, Timothy O'Brien, Cynthia M Coleman
BACKGROUND: Determining the distributive fate and retention of a cell therapy product after administration is an essential part of characterizing it's biosafety profile. Therefore, regulatory guidelines stipulate that biodistribution assays are a requirement prior to advancing a cell therapy to the clinic. Here the development of a highly sensitive quantitative polymerase chain reaction (qPCR)-based method of tracking the biodistribution and retention of human mesenchymal stromal cells (hMSCs) in mice, rats or rabbits is described...
January 12, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28089754/stem-cell-therapy-an-emerging-modality-in-glomerular-diseases
#19
REVIEW
Umang G Thakkar, Aruna V Vanikar, Hargovind L Trivedi
The kidney has been considered a highly terminally differentiated organ with low proliferative potential and thus unlikely to undergo regeneration. Glomerular disease progresses to end-stage renal disease (ESRD), which requires dialysis or renal transplantation for better quality of life for patients with ESRD. Because of the shortage of implantable kidneys and complications such as immune rejection, septicemia and toxicity of immunosuppression, kidney transplantation remains a challenge. Therapeutic options available for glomerular disease include symptomatic treatment and strategies to delay progression...
January 12, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28081982/umbilical-cord-derived-mesenchymal-stromal-cell-conditioned-medium-exerts-in-vitro-antiaging-effects-in-human-fibroblasts
#20
Meirong Li, Yali Zhao, Haojie Hao, Liang Dong, Jiejie Liu, Weidong Han, Xiaobing Fu
BACKGROUND AIMS: Chronic wounds are a common complication of diabetes. Fibroblast-myofibroblast differentiation is important for wound repair, which is commonly impaired in non-healing wounds, and the underlying mechanisms need to be further elucidated. METHODS: We used high glucose (HG) to simulated the diabetes microenvironment and explored its effects on the biological features of fibroblasts in vitro. RESULTS: The results showed that prolonged HG induced senescence in fibroblasts through activation of p21 and p16 in a reactive oxygen species (ROS)-dependent manner, further delayed the viability and migration in fibroblasts and also depressed fibroblast differentiation through the TGF-β/Smad signaling pathway...
January 9, 2017: Cytotherapy
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