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World Journal of Stem Cells

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https://www.readbyqxmd.com/read/29588808/physiologically-based-microenvironment-for-in-vitro-neural-differentiation-of-adipose-derived-stem-cells
#1
REVIEW
Adriana Carol Eleonora Graziano, Rosanna Avola, Vincenzo Perciavalle, Ferdinando Nicoletti, Gianluca Cicala, Marinella Coco, Venera Cardile
The limited capacity of nervous system to promote a spontaneous regeneration and the high rate of neurodegenerative diseases appearance are keys factors that stimulate researches both for defining the molecular mechanisms of pathophysiology and for evaluating putative strategies to induce neural tissue regeneration. In this latter aspect, the application of stem cells seems to be a promising approach, even if the control of their differentiation and the maintaining of a safe state of proliferation should be troubled...
March 26, 2018: World Journal of Stem Cells
https://www.readbyqxmd.com/read/29531638/spatiotemporal-switching-signals-for-cancer-stem-cell-activation-in-pediatric-origins-of-adulthood-cancer-towards-a-watch-and-wait-lifetime-strategy-for-cancer-treatment
#2
REVIEW
Shengwen Calvin Li, Mustafa H Kabeer
Pediatric origin of cancer stem cell hypothesis holds great promise and potential in adult cancer treatment, however; the road to innovation is full of obstacles as there are plenty of questions left unanswered. First, the key question is to characterize the nature of such stem cells (concept). Second, the quantitative imaging of pediatric stem cells should be implemented (technology). Conceptually, pediatric stem cell origins of adult cancer are based on the notion that plasticity in early life developmental programming evolves local environments to cancer...
February 26, 2018: World Journal of Stem Cells
https://www.readbyqxmd.com/read/29391927/rat-model-of-anal-sphincter-injury-and-two-approaches-for-stem-cell-administration
#3
Jacobo Trébol, Tihomir Georgiev-Hristov, Luz Vega-Clemente, Ignacio García-Gómez, Ana Carabias-Orgaz, Mariano García-Arranz, Damián García-Olmo
AIM: To establish a rat model of anal sphincter injury and test different systems to provide stem cells to injured area. METHODS: Adipose-derived stem cells (ASCs) were isolated from BDIX rats and were transfected with green fluorescent protein (GFP) for cell tracking. Biosutures (sutures covered with ASCs) were prepared with 1.5 x 10 6 GFP-ASCs, and solutions of 10 6 GFP-ASCs in normal saline were prepared for injection. Anorectal normal anatomy was studied on Wistar and BDIX female rats...
January 26, 2018: World Journal of Stem Cells
https://www.readbyqxmd.com/read/29321825/umbilical-cord-blood-stem-cell-treatment-for-a-patient-with-psoriatic-arthritis
#4
Margaret Coutts, Rowena Soriano, Rajendran Naidoo, Habib Torfi
Clinical and laboratory results document psoriatic arthritis in a 56-year old patient. The symptoms did not resolve with standard treatments (nonsteroidal anti-inflammatory drugs, steroids and methotrexate). TNF-alpha inhibitors (certolizumab pegol and adalimumab) were added to the treatment regime, with some adverse effects. A trial of human umbilical cord stem cell therapy was then initiated. The stem cells were enriched and concentrated from whole cord blood, by removal of erythrocytes and centrifugation...
December 26, 2017: World Journal of Stem Cells
https://www.readbyqxmd.com/read/29321824/high-frequency-of-cd34-cd38-low-immature-leukemia-cells-is-correlated-with-unfavorable-prognosis-in-acute-myeloid-leukemia
#5
Adriana Plesa, Charles Dumontet, Eve Mattei, Ines Tagoug, Sandrine Hayette, Pierre Sujobert, Isabelle Tigaud, Marie Pierre Pages, Youcef Chelghoum, Fiorenza Baracco, Helene Labussierre, Sophie Ducastelle, Etienne Paubelle, Franck Emmanuel Nicolini, Mohamed Elhamri, Lydia Campos, Claudiu Plesa, Stéphane Morisset, Gilles Salles, Yves Bertrand, Mauricette Michallet, Xavier Thomas
AIM: To evaluate the importance of the CD34+CD38- cell population when compared to the CD34+CD38+/low and CD34+CD38+/high leukemic cell sub-populations and to determine its correlations with leukemia characteristics and known prognostic factors, as well as with response to therapy and survival. METHODS: Two hundred bone marrow samples were obtained at diagnosis from 200 consecutive patients with newly diagnosed acute myeloid leukemia (AML) were studied between September 2008 and December 2010 at our Institution (Hematology Department, Lyon, France)...
December 26, 2017: World Journal of Stem Cells
https://www.readbyqxmd.com/read/29321823/yin-and-yang-of-mesenchymal-stem-cells-and-aplastic-anemia
#6
REVIEW
Larisa Broglie, David Margolis, Jeffrey A Medin
Acquired aplastic anemia (AA) is a bone marrow failure syndrome characterized by peripheral cytopenias and bone marrow hypoplasia. It is ultimately fatal without treatment, most commonly from infection or hemorrhage. Current treatments focus on suppressing immune-mediated destruction of bone marrow stem cells or replacing hematopoietic stem cells (HSCs) by transplantation. Our incomplete understanding of the pathogenesis of AA has limited development of targeted treatment options. Mesenchymal stem cells (MSCs) play a vital role in HSC proliferation; they also modulate immune responses and maintain an environment supportive of hematopoiesis...
December 26, 2017: World Journal of Stem Cells
https://www.readbyqxmd.com/read/29321822/pursuing-meaningful-end-points-for-stem-cell-therapy-assessment-in-ischemic-cardiac-disease
#7
REVIEW
Maria Dorobantu, Nicoleta-Monica Popa-Fotea, Mihaela Popa, Iulia Rusu, Miruna Mihaela Micheu
Despite optimal interventional and medical therapy, ischemic heart disease is still an important cause of morbidity and mortality worldwide. Although not included in standard of care rehabilitation, stem cell therapy (SCT) could be a solution for prompting cardiac regeneration. Multiple studies have been published from the beginning of SCT until now, but overall no unanimous conclusion could be drawn in part due to the lack of appropriate end-points. In order to appreciate the impact of SCT, multiple markers from different categories should be considered: Structural, biological, functional, physiological, but also major adverse cardiac events or quality of life...
December 26, 2017: World Journal of Stem Cells
https://www.readbyqxmd.com/read/29312526/amyotrophic-lateral-sclerosis-as-a-protein-level-non-genomic-disease-therapy-with-s2rm-exosome-released-molecules
#8
REVIEW
Greg Maguire
Amyotrophic lateral sclerosis (ALS) is a rapidly progressing neurodegenerative disease that leads to death. No effective treatments are currently available. Based on data from epidemiological, etiological, laboratory, and clinical studies, I offer a new way of thinking about ALS and its treatment. This paper describes a host of extrinsic factors, including the exposome, that disrupt the extracellular matrix and protein function such that a spreading, prion-like disease leads to neurodegeneration in the motor tracts...
November 26, 2017: World Journal of Stem Cells
https://www.readbyqxmd.com/read/29104736/aldehyde-dehydrogenase-activity-helps-identify-a-subpopulation-of-murine-adipose-derived-stem-cells-with-enhanced-adipogenic-and-osteogenic-differentiation-potential
#9
Harumichi Itoh, Shimpei Nishikawa, Tomoya Haraguchi, Yu Arikawa, Shotaro Eto, Masato Hiyama, Toshie Iseri, Yoshiki Itoh, Munekazu Nakaichi, Yusuke Sakai, Kenji Tani, Yasuho Taura, Kazuhito Itamoto
AIM: To identify and characterize functionally distinct subpopulation of adipose-derived stem cells (ADSCs). METHODS: ADSCs cultured from mouse subcutaneous adipose tissue were sorted fluorescence-activated cell sorter based on aldehyde dehydrogenase (ALDH) activity, a widely used stem cell marker. Differentiation potentials were analyzed by utilizing immunocytofluorescece and its quantitative analysis. RESULTS: Approximately 15% of bulk ADSCs showed high ALDH activity in flow cytometric analysis...
October 26, 2017: World Journal of Stem Cells
https://www.readbyqxmd.com/read/29104735/tracing-and-targeting-cancer-stem-cells-new-venture-for-personalized-molecular-cancer-therapy
#10
REVIEW
Ramin Radpour
Tumors consist of a mixture of heterogeneous cell types. Cancer stem cells (CSCs) are a minor sub-population within the bulk cancer fraction which has been found to reconstitute and propagate the disease and to be frequently resistant to chemotherapy, irradiation, cytotoxic drugs and probably also against immune attack. CSCs are considered as the seeds of tumor recurrence, driving force of tumorigenesis and metastases. This underlines the urgent need for innovative methods to identify and target CSCs. However, the role and existence of CSCs in therapy resistance and cancer recurrence remains a topic of intense debate...
October 26, 2017: World Journal of Stem Cells
https://www.readbyqxmd.com/read/29026462/murine-hepatocellular-carcinoma-derived-stem-cells-reveal-epithelial-to-mesenchymal-plasticity
#11
Aparna Jayachandran, Ritu Shrestha, Bijay Dhungel, I-Tao Huang, Marianna Yumi Kawashima Vasconcelos, Brian J Morrison, Charmaine A Ramlogan-Steel, Jason C Steel
AIM: To establish a model to enrich and characterize stem-like cells from murine normal liver and hepatocellular carcinoma (HCC) cell lines and to further investigate stem-like cell association with epithelial-to-mesenchymal transition (EMT). METHODS: In this study, we utilized a stem cell conditioned serum-free medium to enrich stem-like cells from mouse HCC and normal liver cell lines, Hepa 1-6 and AML12, respectively. We isolated the 3-dimensional spheres and assessed their stemness characteristics by evaluating the RNA levels of stemness genes and a cell surface stem cell marker by quantitative reverse transcriptase-PCR (qRT-PCR)...
September 26, 2017: World Journal of Stem Cells
https://www.readbyqxmd.com/read/29026461/role-of-aryl-hydrocarbon-receptor-in-mesenchymal-stromal-cell-activation-a-minireview
#12
REVIEW
Danilo Candido de Almeida, Laura Sibele Martins Evangelista, Niels Olsen Saraiva Câmara
Mesenchymal stromal cells (MSCs) possess great therapeutic advantages due to their ability to produce a diverse array of trophic/growth factors related to cytoprotection and immunoregulation. MSC activation via specific receptors is a crucial event for these cells to exert their immunosuppressive response. The aryl-hydrocarbon receptor (AhR) is a sensitive molecule for external signals and it is expressed in MSCs and, upon positive activation, may potentially regulate the MSC-associated immunomodulatory function...
September 26, 2017: World Journal of Stem Cells
https://www.readbyqxmd.com/read/29026460/stem-cell-therapy-for-nerve-injury
#13
REVIEW
Sara Sayad Fathi, Arash Zaminy
Peripheral nerve injury has remained a substantial clinical complication with no satisfactory treatment options. Despite the great development in the field of microsurgery, some severe types of neural injuries cannot be treated without causing tension to the injured nerve. Thus, current studies have focused on the new approaches for the treatment of peripheral nerve injuries. Stem cells with the ability to differentiate into a variety of cell types have brought a new perspective to this matter. In this review, we will discuss the use of three main sources of mesenchymal stem cells in the treatment of peripheral nerve injuries...
September 26, 2017: World Journal of Stem Cells
https://www.readbyqxmd.com/read/28928910/phase-i-ii-randomized-controlled-trial-of-autologous-bone-marrow-derived-mesenchymal-stem-cell-therapy-for-chronic-stroke
#14
Kam Sze Tsang, Chi Ping Stephanie Ng, Xian Lun Zhu, George Kwok Chu Wong, Gang Lu, Anil Tejbhan Ahuja, Ka Sing Lawrence Wong, Ho Keung Ng, Wai Sang Poon
AIM: To examine the safety and efficacy of mesenchymal stem cell (MSC) therapy for intracerebral haemorrhage with neurological dysfunctions for a year. METHODS: MSC were ex vivo expanded from 29 mL (17-42 mL) autologous bone marrow. Patients were randomized to have two intravenous injections of autologous MSC or placebos in four weeks apart. Neurological functions and clinical outcomes were monitored before treatment and at 12(th), 16(th), 24(th), 36(th) and 60(th) week upon completion of the treatment...
August 26, 2017: World Journal of Stem Cells
https://www.readbyqxmd.com/read/28928909/transplanting-embryonic-stem-cells-onto-damaged-human-corneal-endothelium
#15
Charles Hanson, Arsaell Arnarsson, Thorir Hardarson, Ann Lindgård, Mandana Daneshvarnaeini, Catarina Ellerström, Anita Bruun, Ulf Stenevi
AIM: To investigate whether human embryonic stem cells (hESCs) could be made to attach, grow and differentiate on a human Descemet's membrane (DM). METHODS: Spontaneously differentiated hESCs were transferred onto a human corneal button with the endothelial layer removed using ocular sticks. The cells were cultured on a DM for up to 15 d. The genetically engineered hESC line expressed green fluorescent protein, which facilitated identification during the culture experiments, tissue preparation, and analysis...
August 26, 2017: World Journal of Stem Cells
https://www.readbyqxmd.com/read/28928908/epithelial-plasticity-and-cancer-stem-cells-major-mechanisms-of-cancer-pathogenesis-and-therapy-resistance
#16
REVIEW
Minal Garg
Epithelial-mesenchymal transition (EMT) has been linked with aggressive tumor biology and therapy resistance. It plays central role not only in the generation of cancer stem cells (CSCs) but also direct them across the multiple organ systems to promote tumor recurrence and metastasis. CSCs are reported to express stem cell genes as well as specific cell surface markers and allow aberrant differentiation of progenies. It facilitates cancer cells to leave primary tumor, acquire migratory characteristics, grow into new environment and develop radio-chemo-resistance...
August 26, 2017: World Journal of Stem Cells
https://www.readbyqxmd.com/read/28928907/adipose-derived-stromal-cell-in-regenerative-medicine-a-review
#17
REVIEW
Reza Tabatabaei Qomi, Mohsen Sheykhhasan
The application of appropriate cell origin for utilizing in regenerative medicine is the major issue. Various kinds of stem cells have been used for the tissue engineering and regenerative medicine. Such as, several stromal cells have been employed as treat option for regenerative medicine. For example, human bone marrow-derived stromal cells and adipose-derived stromal cells (ADSCs) are used in cell-based therapy. Data relating to the stem cell therapy and processes associated with ADSC has developed remarkably in the past 10 years...
August 26, 2017: World Journal of Stem Cells
https://www.readbyqxmd.com/read/28785381/modifying-oxygen-tension-affects-bone-marrow-stromal-cell-osteogenesis-for-regenerative-medicine
#18
Yusuke Inagaki, Manabu Akahane, Takamasa Shimizu, Kazuya Inoue, Takuya Egawa, Tsutomu Kira, Munehiro Ogawa, Kenji Kawate, Yasuhito Tanaka
AIM: To establish a hypoxic environment for promoting osteogenesis in rat marrow stromal cells (MSCs) using osteogenic matrix cell sheets (OMCSs). METHODS: Rat MSCs were cultured in osteogenic media under one of four varying oxygen conditions: Normoxia (21% O2) for 14 d (NN), normoxia for 7 d followed by hypoxia (5% O2) for 7 d (NH), hypoxia for 7 d followed by normoxia for 7 d (HN), or hypoxia for 14 d (HH). Osteogenesis was evaluated by observing changes in cell morphology and calcium deposition, and by measuring osteocalcin secretion (ELISA) and calcium content...
July 26, 2017: World Journal of Stem Cells
https://www.readbyqxmd.com/read/28717411/skeletal-muscle-generated-from-induced-pluripotent-stem-cells-induction-and-application
#19
REVIEW
Yuko Miyagoe-Suzuki, Shin'ichi Takeda
Human induced pluripotent stem cells (hiPS cells or hiPSCs) can be derived from cells of patients with severe muscle disease. If skeletal muscle induced from patient-iPSCs shows disease-specific phenotypes, it can be useful for studying the disease pathogenesis and for drug development. On the other hand, human iPSCs from healthy donors or hereditary muscle disease-iPSCs whose genomes are edited to express normal protein are expected to be a cell source for cell therapy. Several protocols for the derivation of skeletal muscle from human iPSCs have been reported to allow the development of efficient treatments for devastating muscle diseases...
June 26, 2017: World Journal of Stem Cells
https://www.readbyqxmd.com/read/28596815/next-generation-sequencing-traces-human-induced-pluripotent-stem-cell-lines-clonally-generated-from-heterogeneous-cancer-tissue
#20
Tetsuya Ishikawa
AIM: To investigate genotype variation among induced pluripotent stem cell (iPSC) lines that were clonally generated from heterogeneous colon cancer tissues using next-generation sequencing. METHODS: Human iPSC lines were clonally established by selecting independent single colonies expanded from heterogeneous primary cells of S-shaped colon cancer tissues by retroviral gene transfer (OCT3/4, SOX2, and KLF4). The ten iPSC lines, their starting cancer tissues, and the matched adjacent non-cancerous tissues were analyzed using next-generation sequencing and bioinformatics analysis using the human reference genome hg19...
May 26, 2017: World Journal of Stem Cells
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