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Stem cell mobilization

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https://www.readbyqxmd.com/read/28636901/the-effect-of-cd34-cell-telomere-length-and-htert-expression-on-the-outcome-of-autologous-cd34-cell-transplantation-in-patients-with-chronic-heart-failure
#1
Jasmina-Ziva Rozman, Maja Pohar Perme, Mojca Jez, Elvira Malicev, Metka Krasna, Srdjan Novakovic, Bojan Vrtovec, Primoz Rozman
Age-related telomere attrition in stem/progenitor cells may diminish their functional capacity and thereby impair the outcome of cell-based therapies. The aim of the present study was to investigate the effect of CD34(+) cell telomere length and hTERT expression on the clinical outcome of autologous CD34(+) cell transplantation. We studied 43 patients with cardiomyopathy. Their peripheral blood CD34(+) cells were mobilized with granulocyte colony-stimulating factor, enriched by immunoselection and delivered transendocardially...
June 18, 2017: Mechanisms of Ageing and Development
https://www.readbyqxmd.com/read/28631842/uk-consensus-statement-on-the-use-of-plerixafor-to-facilitate-autologous-peripheral-blood-stem-cell-collection-to-support-high-dose-chemoradiotherapy-for-patients-with-malignancy
#2
Kenneth W Douglas, Maria Gilleece, Patrick Hayden, Hannah Hunter, Peter R E Johnson, Charlotte Kallmeyer, Ram K Malladi, Shankara Paneesha, Rachel Pawson, Michael Quinn, Kavita Raj, Deborah Richardson, Stephen Robinson, Nigel Russell, John Snowden, Anna Sureda, Eleni Tholouli, Kirsty Thomson, Mike Watts, Keith M Wilson
Plerixafor is a CXC chemokine receptor (CXCR4) antagonist that mobilizes stem cells in the peripheral blood. It is indicated (in combination with granulocyte-colony stimulating factor [G-CSF]) to enhance the harvest of adequate quantities of cluster differentiation (CD) 34+ cells for autologous transplantation in patients with lymphoma or multiple myeloma whose cells mobilize poorly. Strategies for use include delayed re-mobilization after a failed mobilization attempt with G-CSF, and rescue or pre-emptive mobilization in patients in whom mobilization with G-CSF is likely to fail...
June 20, 2017: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/28626366/current-developments-in-mobilization-of-hematopoietic-stem-and-progenitor-cells-and-their-interaction-with-niches-in-bone-marrow
#3
REVIEW
Rudolf Richter, Wolfgang Forssmann, Reinhard Henschler
The clinical application of hematopoietic stem and progenitor cells (HSPCs) has evolved from a highly experimental stage in the 1980s to a currently clinically established treatment for more than 20,000 patients annually who suffer from hematological malignancies and other severe diseases. Studies in numerous murine models have demonstrated that HSPCs reside in distinct niches within the bone marrow environment. Whereas transplanted HSPCs travel through the bloodstream and home to sites of hematopoiesis, HSPCs can be mobilized from these niches into the blood either physiologically or induced by pharmaceutical drugs...
June 2017: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/28624782/g-csf-inhibits-lfa-1-mediated-cd4-t-cell-functions-by-inhibiting-lck-and-zap-70
#4
Shasha Zhao, Zhenyang Gu, Li Wang, Lixun Guan, Feiyan Wang, Nan Yang, Lan Luo, Zhe Gao, Yingwei Song, Lili Wang, Daihong Liu, Chunji Gao
In this study, we showed that G-CSF mobilization increased the frequency of T cells, specifically CD3+CD4+ T cells. G-CSF mobilization decreased the secretion of inflammatory cytokines of CD4+ T cells through the LFA-1/ICAM-1 signaling pathway, whereas it did not alter the TH1/TH2 ratio. We found that G-CSF mobilization inhibited LFA-1-mediated CD4+ T cell polarization and motility. In vitro, G-CSF stimulation also attenuated the polarization and adhesiveness of CD4+ T cells through the LFA-1/ICAM-1 interaction...
May 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28624051/persistent-injury-associated-anemia-the-role-of-the-bone-marrow-microenvironment
#5
Jessica K Millar, Kolenkode B Kannan, Tyler J Loftus, Ines G Alamo, Jessica Plazas, Philip A Efron, Alicia M Mohr
BACKGROUND: The regulation of erythropoiesis involves hematopoietic progenitor cells, bone marrow stroma, and the microenvironment. Following severe injury, a hypercatecholamine state develops that is associated with increased mobilization of hematopoietic progenitor cells to peripheral blood and decreased growth of bone marrow erythroid progenitor cells that manifests clinically as a persistent injury-associated anemia. Changes within the bone marrow microenvironment influence the development of erythroid progenitor cells...
June 15, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28616913/-the-effect-of-exogenous-recombinant-hmgb1-on-neural-stem-cells-and-related-mechanism
#6
Hui-Min Zhang, Bo Wu, Tian Cao, Yu-Ying Yan, Ming Liu
OBJECTIVES: To explore the effect of exogenous recombinant high mobility group protein box1 (rHMGB1) on proliferation and differentiation of neural stem cells (NSCs) and the related mechanism. METHODS: SD rat cerebral cortex cells were cultured in serum-free medium, extending the culture and purification of neural stem cells. NSCs were identified by detecting nestin-label with immunofluorescence method.The NSCs proliferation activity after adding different concentrations of rHMGB1 was determined by CCK-8 assay and the optimal concentration of rHMGB1 for the follow-up experiments was selected...
May 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28607559/bone-marrow-aspirate-concentrate-enhanced-marrow-stimulation-of-chondral-defects
#7
REVIEW
Henning Madry, Liang Gao, Hermann Eichler, Patrick Orth, Magali Cucchiarini
Mesenchymal stem cells (MSCs) from bone marrow play a critical role in osteochondral repair. A bone marrow clot forms within the cartilage defect either as a result of marrow stimulation or during the course of the spontaneous repair of osteochondral defects. Mobilized pluripotent MSCs from the subchondral bone migrate into the defect filled with the clot, differentiate into chondrocytes and osteoblasts, and form a repair tissue over time. The additional application of a bone marrow aspirate (BMA) to the procedure of marrow stimulation is thought to enhance cartilage repair as it may provide both an additional cell population capable of chondrogenesis and a source of growth factors stimulating cartilage repair...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28606135/wogonin-suppresses-stem-cell-like-traits-of-cd133-positive-osteosarcoma-cell-via-inhibiting-matrix-metallopeptidase-9-expression
#8
Do Luong Huynh, Taeho Kwon, Jiao Jiao Zhang, Neelesh Sharma, Meeta Gera, Mrinmoy Ghosh, Nameun Kim, Somi Kim Cho, Dong Sun Lee, Yang Ho Park, Dong Kee Jeong
BACKGROUND: Several efforts have been deployed to cure osteosarcoma, a high-grade malignant bone tumour in children and adolescents. However, some challenges such as drug resistance, relapse, and tumour metastasis remain owing to the existence of cancer stem cells (CSC). There is an urgent need to develop cost-effective and safe therapies. METHODS: Wogonin, an extract from the root of Scutellaria baicalensis, has long been considered as a promising natural and safe compound for anti-tumourigenesis, particularly to inhibit tumour invasion and metastasis...
June 12, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28602846/granulocyte-colony-stimulating-factor-for-the-treatment-of-cardiovascular-diseases-an-update-with-a-critical-appraisal
#9
REVIEW
Domenico D'Amario, Antonio Maria Leone, Josip Anđelo Borovac, Francesco Cannata, Andrea Siracusano, Giampaolo Niccoli, Filippo Crea
Heart failure and acute myocardial infarction are conditions that are associated with high morbidity and mortality. Significant dysfunction of the heart muscle can occur as the consequence of end-stage chronic cardiovascular diseases or acute ischemic events that are marked by large infarction area and significant tissue necrosis. Despite the remarkable improvement of conventional treatments, a substantial proportion of patients still develops severe heart failure that can only be resolved by heart transplantation or mechanical device implantation...
June 7, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28598999/lymphatic-endothelial-progenitors-originate-from-plastic-myeloid-cells-activated-by-toll-like-receptor-4
#10
Lisa D Volk-Draper, Kelly L Hall, Andrew C Wilber, Sophia Ran
BACKGROUND: Myeloid-derived lymphatic endothelial cells (M-LECP) are induced by inflammation and play an important role in adult lymphangiogenesis. However, the mechanisms driving M-LECP differentiation are currently unclear. We previously showed that activation of Toll-like receptor-4 (TLR4) induces myeloid-lymphatic transition (MLT) of immortalized mouse myeloid cells. Here the goals were to assess the potential of different TLR4 ligands to induce pro-lymphatic reprogramming in human and mouse primary myeloid cells and to identify transcriptional changes regulating this process...
2017: PloS One
https://www.readbyqxmd.com/read/28593575/the-role-of-herg1-ion-channels-in-epithelial-mesenchymal-transition-and-the-capacity-of-riluzole-to-reduce-cisplatin-resistance-in-colorectal-cancer-cells
#11
Angelo Fortunato
PURPOSE: The transition of cells from the epithelial to the mesenchymal state (EMT) plays an important role in tumor progression. EMT allows cells to acquire mobility, stem-like behavior and resistance to apoptosis and drug treatment. These features turn EMT into a central process in tumor biology. Ion channels are attractive targets for the treatment of cancer since they play critical roles in controlling a wide range of physiological processes that are frequently deregulated in cancer...
June 7, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28589441/ephrin-ligands-and-eph-receptors-contribution-to-hematopoiesis
#12
REVIEW
Giovanna Tosato
Hematopoietic stem and progenitor cells reside predominantly in the bone marrow. They supply billions of mature blood cells every day during life through maturation into multilineage progenitors and self-renewal. Newly produced mature cells serve to replenish the pool of circulating blood cells at the end of their life-span. These mature blood cells and a few hematopoietic progenitors normally exit the bone marrow through the sinusoidal vessels, a specialized venous vascular system that spreads throughout the bone marrow...
June 6, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28588451/neurogenic-to-gliogenic-fate-transition-perturbed-by-loss-of-hmgb2
#13
Robert Bronstein, Jackson Kyle, Ariel B Abraham, Stella E Tsirka
Mouse cortical development relies heavily on a delicate balance between neurogenesis and gliogenesis. The lateral ventricular zone produces different classes of excitatory pyramidal cells until just before birth, when the production of astroglia begins to prevail. Epigenetic control of this fate shift is of critical importance and chromatin regulatory elements driving neuronal or astroglial development play an vital role. Different classes of chromatin binding proteins orchestrate the transcriptional repression of neuronal-specific genes, while allowing for the activation of astrocyte-specific genes...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28587976/mechanosensing-of-matrix-by-stem-cells-from-contractility-and-matrix-heterogeneity-to-cardiogenesis-and-muscle-stem-cells
#14
REVIEW
Lucas Smith, Sangkyun Cho, Dennis E Discher
Stem cells are particularly 'plastic' cell types that are induced by various cues to become specialized, tissue-functional lineages by switching on the expression of specific gene programs. Matrix stiffness is among the cues that multiple stem cell types can sense and respond to. This seminar-style review focuses on mechanosensing of matrix elasticity in the differentiation or early maturation of a few illustrative stem cell types, with an intended audience of biologists and physical scientists. Contractile forces applied by a cell's acto-myosin cytoskeleton are often resisted by the extracellular matrix and transduced through adhesions and the cytoskeleton ultimately into the nucleus to modulate gene expression...
June 3, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28587560/effectiveness-of-originator-neupogen-and-biosimilar-zarzio-filgrastim-in-autologous-peripheral-blood-stem-cell-mobilization-in-adults-with-acute-myeloid-leukemia-a-single-center-retrospective-study
#15
Vincenzo Nasillo, Ambra Paolini, Giovanni Riva, Monica Morselli, Leonardo Potenza, Valeria Coluccio, Monica Maccaferri, Elisabetta Colaci, Valeria Fantuzzi, Andrea Messerotti, Laura Arletti, Valeria Pioli, Elisabetta Lugli, Andrea Gilioli, Chiara Quadrelli, Patrizia Zucchini, Daniela Vallerini, Ivana Lagreca, Patrizia Barozzi, Angela Cuoghi, Paola Bresciani, Roberto Marasca, Maria Teresa Mariano, Giovanni Ceccherelli, Patrizia Comoli, Daniele Campioli, Tommaso Trenti, Franco Narni, Mario Luppi, Fabio Forghieri
No abstract text is available yet for this article.
June 7, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/28583393/separation-of-the-potential-g-quadruplex-ligands-from-the-butanol-extract-of-zanthoxylum-ailanthoides-sieb-zucc-by-countercurrent-chromatography-and-preparative-high-performance-liquid-chromatography
#16
Tian Han, Xueli Cao, Jing Xu, Hairun Pei, Hong Zhang, Yalin Tang
G-quadruplex DNA structure is considered to be a very attractive target for antitumor drug design due to its unique role in maintaining telomerase activities. Therefore, discovering ligands with high stability of G-quadruplex structure is of great interest. In this paper, pH-zone refining counter current chromatography (CCC) and preparative high performance liquid chromatography (HPLC) were employed for the separation of potent G-quadruplex ligands from the n-butanol fraction of the crude extract of Zanthoxylum ailanthoides, which is a traditional Chinese medicine recently found to display high inhibitory activity against several human cancer cells...
May 29, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28581475/the-choice-of-in-hospital-or-home-administration-for-plerixafor-injection-to-poor-mobilizers-has-no-adverse-consequence-on-subsequent-hematopoietic-stem-cell-harvest
#17
C Chabannon, F Bijou, J-M Grouin, P Drillat, N Milpied, M Mohty
No abstract text is available yet for this article.
June 5, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28580637/influence-of-plerixafor-on-the-mobilization-of-cd34-cell-subpopulations-and-lymphocyte-subtypes
#18
Nina Worel, Nelli Frank, Christian Frech, Gerhard Fritsch
BACKGROUND: Peripheral blood stem cells mobilized with granulocyte-colony-stimulating factor (G-CSF) with or without chemotherapy are routinely used for autologous hematopoietic cell transplantation. Plerixafor, a chemokine-receptor inhibitor, increases the amount of circulating CD34+ cells and improves harvest results. However, limited information is available regarding the composition of apheresis products with respect to CD34+ and lymphocyte subtypes collected after various mobilization regimens...
June 5, 2017: Transfusion
https://www.readbyqxmd.com/read/28577070/heparan-sulfate-proteoglycans-as-key-regulators-of-the-mesenchymal-niche-of-hematopoietic-stem-cells
#19
Dulce Papy-Garcia, Patricia Albanese
The complex microenvironment that surrounds hematopoietic stem cells (HSCs) in the bone marrow niche involves different coordinated signaling pathways. The stem cells establish permanent interactions with distinct cell types such as mesenchymal stromal cells, osteoblasts, osteoclasts or endothelial cells and with secreted regulators such as growth factors, cytokines, chemokines and their receptors. These interactions are mediated through adhesion to extracellular matrix compounds also. All these signaling pathways are important for stem cell fates such as self-renewal, proliferation or differentiation, homing and mobilization, as well as for remodeling of the niche...
June 2017: Glycoconjugate Journal
https://www.readbyqxmd.com/read/28573902/cost-effectiveness-of-on-demand-plerixafor-added-to-chemotherapy-and-granulocyte-colony-stimulating-factor-for-peripheral-blood-stem-cell-mobilization-in-multiple-myeloma
#20
Giuseppe Milone, Massimo Martino, Salvatore Leotta, Andrea Spadaro, Valentina Zammit, Alessandra Cupri, Giuseppe Avola, Maria Grazia Camuglia, Annalia Di Marco, Potito Scalzulli, Mara Morelli, Attilio Olivieri, Giovanni Tripepi
We here report final results of a phase II/III prospective study that evaluated in Multiple Myeloma the use of on-demand plerixafor (PLX) added to mobilizing chemotherapy for patients showing predictive signs of mobilization failure. A total of 111 patients with MM were registered, all received cyclophosphamide 4 g/m(2) and granulocyte colony-stimulating factor (G-CSF). Overall, a successful CD34+ cell mobilization was achieved in 97.2% (108/111) of patients. Minimum harvest (≥2.0 × 10(6) CD34+ cells/kg) was achieved in 97...
June 2, 2017: Leukemia & Lymphoma
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