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Stem Cells Translational Medicine

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https://www.readbyqxmd.com/read/29224250/multiple-autologous-bone-marrow-derived-cd271-mesenchymal-stem-cell-transplantation-overcomes-drug-resistant-epilepsy-in-children
#1
Olga Milczarek, Danuta Jarocha, Anna Starowicz-Filip, Stanislaw Kwiatkowski, Bogna Badyra, Marcin Majka
There is a need among patients suffering from drug-resistant epilepsy (DRE) for more efficient and less toxic treatments. The objective of the present study was to assess the safety, feasibility, and potential efficacy of autologous bone marrow cell transplantation in pediatric patients with DRE. Two females and two males (11 months to 6 years) were enrolled and underwent a combined therapy consisting of autologous bone marrow nucleated cells (BMNCs) transplantation (intrathecal: 0.5 × 109 ; intravenous: 0...
December 10, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29215199/neurotrophically-induced-mesenchymal-progenitor-cells-derived-from-induced-pluripotent-stem-cells-enhance-neuritogenesis-via-neurotrophin-and-cytokine-production
#2
Rachel M Brick, Aaron X Sun, Rocky S Tuan
Adult tissue-derived mesenchymal stem cells (MSCs) are known to produce a number of bioactive factors, including neurotrophic growth factors, capable of supporting and improving nerve regeneration. However, with a finite culture expansion capacity, MSCs are inherently limited in their lifespan and use. We examined here the potential utility of an alternative, mesenchymal-like cell source, derived from induced pluripotent stem cells, termed induced mesenchymal progenitor cells (MiMPCs). We found that several genes were upregulated and proteins were produced in MiMPCs that matched those previously reported for MSCs...
December 7, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29210198/concise-review-quantitative-detection-and-modeling-the-in-vivo-kinetics-of-therapeutic-mesenchymal-stem-stromal-cells
#3
REVIEW
Anastasia Brooks, Kathryn Futrega, Xiaowen Liang, Xiaoling Hu, Xin Liu, Darrell H G Crawford, Michael R Doran, Michael S Roberts, Haolu Wang
Mesenchymal stem/stromal cells (MSCs) present a promising tool in cell-based therapy for treatment of various diseases. Currently, optimization of treatment protocols in clinical studies is complicated by the variations in cell dosing, diverse methods used to deliver MSCs, and the variety of methods used for tracking MSCs in vivo. Most studies use a dose escalation approach, and attempt to correlate efficacy with total cell dose. Optimization could be accelerated through specific understanding of MSC distribution in vivo, long-term viability, as well as their biological fate...
December 6, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29164803/preclinical-evaluation-and-optimization-of-a-cell-therapy-using-human-cord-blood-derived-endothelial-colony-forming-cells-for-ischemic-retinopathies
#4
Emma Reid, Jasenka Guduric-Fuchs, Christina L O'Neill, Lynsey-Dawn Allen, Sarah E J Chambers, Alan W Stitt, Reinhold J Medina
Cell therapy using endothelial progenitors holds promise for vascular repair in ischemic retinopathies. Using a well-defined subpopulation of human cord blood-derived endothelial progenitors known as endothelial colony-forming cells (ECFCs), we have evaluated essential requirements for further development of this cell therapy targeting the ischemic retina, including dose response, delivery route, and toxicity. First, to evaluate therapeutic efficacy relating to cell dose, ECFCs were injected into the vitreous of mice with oxygen-induced retinopathy...
November 22, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29164808/a-universal-approach-to-correct-various-hbb-gene-mutations-in-human-stem-cells-for-gene-therapy-of-beta-thalassemia-and-sickle-cell-disease
#5
Liuhong Cai, Hao Bai, Vasiliki Mahairaki, Yongxing Gao, Chaoxia He, Yanfei Wen, You-Chuan Jin, You Wang, Rachel L Pan, Armaan Qasba, Zhaohui Ye, Linzhao Cheng
Beta-thalassemia is one of the most common recessive genetic diseases, caused by mutations in the HBB gene. Over 200 different types of mutations in the HBB gene containing three exons have been identified in patients with β-thalassemia (β-thal) whereas a homozygous mutation in exon 1 causes sickle cell disease (SCD). Novel therapeutic strategies to permanently correct the HBB mutation in stem cells that are able to expand and differentiate into erythrocytes producing corrected HBB proteins are highly desirable...
November 21, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29164800/the-generation-of-human-%C3%AE-%C3%AE-t-cell-derived-induced-pluripotent-stem-cells-from-whole-peripheral-blood-mononuclear-cell-culture
#6
Daisuke Watanabe, Michiyo Koyanagi-Aoi, Mariko Taniguchi-Ikeda, Yukiko Yoshida, Takeshi Azuma, Takashi Aoi
γδT cells constitute a small proportion of lymphocytes in peripheral blood. Unlike αβT cells, the anti-tumor activities are exerted through several different pathways in a MHC-unrestricted manner. Thus, immunotherapy using γδT cells is considered to be effective for various types of cancer. Occasionally, however, ex vivo expanded cells are not as effective as expected due to cell exhaustion. To overcome the issue of T-cell exhaustion, researchers have generated induced pluripotent stem cells (iPSCs) that harbor the same T-cell receptor (TCR) genes as their original T-cells, which provide nearly limitless sources for antigen-specific cytotoxic T lymphocytes (CTLs)...
November 21, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29159905/autologous-mesenchymal-stem-cell-and-islet-cotransplantation-safety-and-efficacy
#7
Hongjun Wang, Charlie Strange, Paul J Nietert, Jingjing Wang, Taylor L Turnbull, Colleen Cloud, Stefanie Owczarski, Betsy Shuford, Tara Duke, Gary Gilkeson, Louis Luttrell, Kathie Hermayer, Jyotika Fernandes, David B Adams, Katherine A Morgan
Islet engraftment after transplantation is impaired by high rates of islet/β cell death caused by cellular stressors and poor graft vascularization. We studied whether cotransplantation of ex vivo expanded autologous bone marrow-derived mesenchymal stem cells (MSCs) with islets is safe and beneficial in chronic pancreatitis patients undergoing total pancreatectomy with islet autotransplantation. MSCs were harvested from the bone marrow of three islet autotransplantation patients and expanded at our current Good Manufacturing Practices (cGMP) facility...
November 21, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29119710/role-of-sdf-1-cxcr4-in-impaired-post-myocardial-infarction-cardiac-repair-in-diabetes
#8
Maritza E Mayorga, Matthew Kiedrowski, Patricia McCallinhart, Farhad Forudi, Jeremiah Ockunzzi, Kristal Weber, William Chilian, Marc S Penn, Feng Dong
Diabetes is a risk factor for worse outcomes following acute myocardial infarction (AMI). In this study, we tested the hypothesis that SDF-1:CXCR4 expression is compromised in post-AMI in diabetes, and that reversal of this defect can reverse the adverse effects of diabetes. Mesenchymal stem cells (MSC) isolated from green fluorescent protein (GFP) transgenic mice (control MSC) were induced to overexpress stromal cell-derived factor-1 (SDF-1). SDF-1 expression in control MSC and SDF-1-overexpressing MSC (SDF-1:MSC) were quantified using enzyme-linked immunosorbent assay (ELISA)...
November 9, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29105375/role-of-nursing-competencies-for-accelerating-clinical-trials-in-stem-cell-clinics
#9
EDITORIAL
Mary Perrin, Teresa Kim, Rodica Stan, Pamela Giesie, Jason Tabor, Virginia Le Verche, Shirley Johnson, Geoffrey P Lomax, John A Zaia
The California Institute for Regenerative Medicine has formed a group of clinics called the Alpha Stem Cell Clinics Network. Its goal is to accelerate clinical trials of stem cell-based therapies for diseases with unmet medical needs. In this report, we describe our experience in establishing an Alpha Stem Cell Clinic at City of Hope. Implementation and integration of the clinic into the existing institutional structures required collaboration and cooperation with clinical trial units, nursing administration, and creation of new positions...
November 3, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29090533/osteogenic-programming-of-human-mesenchymal-stem-cells-with-highly-efficient-intracellular-delivery-of-runx2
#10
Lalitha Thiagarajan, Hosam Al-Deen M Abu-Awwad, James E Dixon
Mesenchymal stem cells (MSCs) are being exploited in regenerative medicine due to their tri-lineage differentiation and immunomodulation activity. Currently, there are two major challenges when directing the differentiation of MSCs for therapeutic applications. First, chemical and growth factor strategies to direct osteogenesis in vivo lack specificity for targeted delivery with desired effects. Second, MSC differentiation by gene therapy is difficult as transfection with existing approaches is clinically impractical (viral transfection) or have low efficacy (lipid-mediated transfection)...
October 31, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29080294/microparticles-carrying-peroxisome-proliferator-activated-receptor-alpha-restore-the-reduced-differentiation-and-functionality-of-bone-marrow-derived-cells-induced-by-high-fat-diet
#11
Luisa Vergori, Emilie Lauret, Raffaella Soleti, Ramaroson Andriantsitohaina, M Carmen Martinez
Metabolic pathologies such as diabetes and obesity are associated with decreased level of circulating and bone marrow (BM)-derived endothelial progenitor cells (EPCs). It is known that activation of peroxisome proliferator-activated receptor alpha (PPARα) may stimulate cell differentiation. In addition, microparticles (MPs), small membrane vesicles produced by activated and apoptotic cells, are able to reprogram EPCs. Here, we evaluated the role of MPs carrying PPARα on both phenotype and function of progenitor cells from mice fed with a high-fat diet (HFD)...
October 28, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29080279/concise-review-biomimetic-functionalization-of-biomaterials-to-stimulate-the-endogenous-healing-process-of-cartilage-and-bone-tissue
#12
REVIEW
Francesca Taraballi, Guillermo Bauza, Patrick McCulloch, Josh Harris, Ennio Tasciotti
Musculoskeletal reconstruction is an ongoing challenge for surgeons as it is required for one out of five patients undergoing surgery. In the past three decades, through the close collaboration between clinicians and basic scientists, several regenerative strategies have been proposed. These have emerged from interdisciplinary approaches that bridge tissue engineering with material science, physiology, and cell biology. The paradigm behind tissue engineering is to achieve regeneration and functional recovery using stem cells, bioactive molecules, or supporting materials...
October 28, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29080265/effect-of-autologous-cord-blood-infusion-on-motor-function-and-brain-connectivity-in-young-children-with-cerebral-palsy-a-randomized-placebo-controlled-trial
#13
Jessica M Sun, Allen W Song, Laura E Case, Mohamad A Mikati, Kathryn E Gustafson, Ryan Simmons, Ricki Goldstein, Jodi Petry, Colleen McLaughlin, Barbara Waters-Pick, Lyon W Chen, Stephen Wease, Beth Blackwell, Gordon Worley, Jesse Troy, Joanne Kurtzberg
Cerebral palsy (CP) is a condition affecting young children that causes lifelong disabilities. Umbilical cord blood cells improve motor function in experimental systems via paracrine signaling. After demonstrating safety, we conducted a Phase II trial of autologous cord blood (ACB) infusion in children with CP to test whether ACB could improve function (ClinicalTrials.gov, NCT01147653; IND 14360). In this double-blind, placebo-controlled, crossover study of a single intravenous infusion of 1-5 × 10(7) total nucleated cells per kilogram of ACB, children ages 1 to 6 years with CP were randomly assigned to receive ACB or placebo at baseline, followed by the alternate infusion 1 year later...
October 28, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29080249/concise-review-epigenetic-regulation-of-hematopoiesis-biological-insights-and-therapeutic-applications
#14
REVIEW
Chiara Antoniani, Oriana Romano, Annarita Miccio
Hematopoiesis is the process of blood cell formation starting from hematopoietic stem/progenitor cells (HSPCs). The understanding of regulatory networks involved in hematopoiesis and their impact on gene expression is crucial to decipher the molecular mechanisms that control hematopoietic development in physiological and pathological conditions, and to develop novel therapeutic strategies. An increasing number of epigenetic studies aim at defining, on a genome-wide scale, the cis-regulatory sequences (e.g., promoters and enhancers) used by human HSPCs and their lineage-restricted progeny at different stages of development...
October 28, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29076267/concise-review-multifaceted-characterization-of-human-mesenchymal-stem-cells-for-use-in-regenerative-medicine
#15
REVIEW
Rebekah M Samsonraj, Michael Raghunath, Victor Nurcombe, James H Hui, Andre J van Wijnen, Simon M Cool
Mesenchymal stem cells (MSC) hold great potential for regenerative medicine because of their ability for self-renewal and differentiation into tissue-specific cells such as osteoblasts, chondrocytes, and adipocytes. MSCs orchestrate tissue development, maintenance and repair, and are useful for musculoskeletal regenerative therapies to treat age-related orthopedic degenerative diseases and other clinical conditions. Importantly, MSCs produce secretory factors that play critical roles in tissue repair that support both engraftment and trophic functions (autocrine and paracrine)...
October 26, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29072369/concise-review-cancer-cells-cancer-stem-cells-and-mesenchymal-stem-cells-influence-in-cancer-development
#16
REVIEW
Federica Papaccio, Francesca Paino, Tarik Regad, Gianpaolo Papaccio, Vincenzo Desiderio, Virginia Tirino
Tumors are composed of different types of cancer cells that contribute to tumor heterogeneity. Among these populations of cells, cancer stem cells (CSCs) play an important role in cancer initiation and progression. Like their stem cells counterpart, CSCs are also characterized by self-renewal and the capacity to differentiate. A particular population of CSCs is constituted by mesenchymal stem cells (MSCs) that differentiate into cells of mesodermal characteristics. Several studies have reported the potential pro-or anti-tumorigenic influence of MSCs on tumor initiation and progression...
October 26, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29064632/the-effects-of-platelet-derived-growth-factor-bb-on-human-dental-pulp-stem-cells-mediated-dentin-pulp-complex-regeneration
#17
Maolin Zhang, Fei Jiang, Xiaochen Zhang, Shaoyi Wang, Yuqin Jin, Wenjie Zhang, Xinquan Jiang
Dentin-pulp complex regeneration is a promising alternative treatment for the irreversible pulpitis caused by tooth trauma or dental caries. This process mainly relies on the recruitment of endogenous or the transplanted dental pulp stem cells (DPSCs) to guide dentin-pulp tissue formation. Platelet-derived growth factor (PDGF), a well-known potent mitogenic, angiogenic, and chemoattractive agent, has been widely used in tissue regeneration. However, the mechanisms underlying the therapeutic effects of PDGF on dentin-pulp complex regeneration are still unclear...
October 24, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29063737/allogeneic-stem-cells-alter-gene-expression-and-improve-healing-of-distal-limb-wounds-in-horses
#18
Jamie A Textor, Kaitlin C Clark, Naomi J Walker, Fabio A Aristizobal, Amir Kol, Sarah S LeJeune, Andrea Bledsoe, Arik Davidyan, Sarah N Gray, Laurie K Bohannon-Worsley, Kevin D Woolard, Dori L Borjesson
Distal extremity wounds are a significant clinical problem in horses and humans and may benefit from mesenchymal stem cell (MSC) therapy. This study evaluated the effects of direct wound treatment with allogeneic stem cells, in terms of gross, histologic, and transcriptional features of healing. Three full-thickness cutaneous wounds were created on each distal forelimb in six healthy horses, for a total of six wounds per horse. Umbilical cord-blood derived equine MSCs were applied to each wound 1 day after wound creation, in one of four forms: (a) normoxic- or (b) hypoxic-preconditioned cells injected into wound margins, or (c) normoxic- or (d) hypoxic-preconditioned cells embedded in an autologous fibrin gel and applied topically to the wound bed...
October 24, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29052365/inferior-in-vivo-osteogenesis-and-superior-angiogeneis-of-human-adipose-tissue-compared-with-bone-marrow-derived-stromal-stem-cells-cultured-in-xeno-free-conditions
#19
Meadhbh A Brennan, Audrey Renaud, Fabien Guilloton, Miryam Mebarki, Valerie Trichet, Luc Sensebé, Frederic Deschaseaux, Nathalie Chevallier, Pierre Layrolle
The possibility of using adipose tissue-derived stromal cells (ATSC) as alternatives to bone marrow-derived stromal cells (BMSC) for bone repair has garnered interest due to the accessibility, high cell yield, and rapid in vitro expansion of ATSC. For clinical relevance, their bone forming potential in comparison to BMSC must be proven. Distinct differences between ATSC and BMSC have been observed in vitro and comparison of osteogenic potential in vivo is not clear to date. The aim of the current study was to compare the osteogenesis of human xenofree-expanded ATSC and BMSC in vitro and in an ectopic nude mouse model of bone formation...
October 19, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29045045/mesenchymal-stromal-cell-therapy-in-bronchopulmonary-dysplasia-systematic-review-and-meta-analysis-of-preclinical-studies
#20
Sajit Augustine, Marc T Avey, Brittany Harrison, Tiffany Locke, Mona Ghannad, David Moher, Bernard Thébaud
Extreme prematurity is the leading cause of death among children under 5 years of age. Currently, there is no treatment for bronchopulmonary dysplasia (BPD), the most common complication of extreme prematurity. Experimental studies in animal models of BPD suggest that mesenchymal stromal cells (MSCs) are lung protective. To date, no systematic review and meta-analysis has evaluated the preclinical evidence of this promising therapy. Our protocol was registered with Collaborative Approach to Meta-Analysis and Review of Animal Data from Experimental Studies prior to searching MEDLINE (1946 to June 1, 2015), Embase (1947 to 2015 Week 22), Pubmed, Web of Science, and conference proceedings (1990 to present) for controlled comparative studies of neonatal animal models that received MSCs or cell free MSC-derived conditioned media (MSC-CM)...
October 17, 2017: Stem Cells Translational Medicine
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