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Peripheral blood stem cell gene and microRNA profiling

ABSTRACT: Mobilized-peripheral blood hematopoietic stem cells (HSCs) have been used for transplantation, immunotherapy, and cardiovascular regenerative medicine. Agents used for HPC mobilization include G-CSF and the CXCR4 inhibitor AMD3100. The HSCs cells mobilized by each agent may contain different subtypes and have different functions. To characterize mobilized HSCs used for clinical applications, microRNA (miRNA) profiling and gene expression profiling were used to compare AMD3100-mobilized CD133+ cells from 4 subjects, AMD3100 plus G-CSF-mobilized CD133+ cells from 4 subjects and G-CSF-mobilized CD34+ cells from 5 subjects. The HSCs were compared to peripheral blood leukocytes (PBLs) from 7 subjects. This SuperSeries is composed of the SubSeries listed below.

ORGANISM(S): Rattus norvegicus Mus musculus Human gammaherpesvirus 8 human gammaherpesvirus 4 Betapolyomavirus macacae Homo sapiens

PROVIDER: GSE11255 | GEO | 2010/04/01

SECONDARY ACCESSION(S): PRJNA106767

REPOSITORIES: GEO

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Peripheral blood stem cell microRNA profiling

Project description:Mobilized-peripheral blood hematopoietic stem cells (HSCs) have been used for transplantation, immunotherapy, and cardiovascular regenerative medicine. Agents used for HPC mobilization include G-CSF and the CXCR4 inhibitor AMD3100. The HSCs cells mobilized by each agent may contain different subtypes and have different functions. To characterize mobilized HSCs used for clinical applications, microRNA (miRNA) profiling and gene expression profiling were used to compare AMD3100-mobilized CD133+ cells from 4 subjects, AMD3100 plus G-CSF-mobilized CD133+ cells from 4 subjects and G-CSF-mobilized CD34+ cells from 5 subjects. The HSCs were compared to peripheral blood leukocytes (PBLs) from 7 subjects. Keywords: cell type comparison design microRNA (miRNA) profiling were used to compare AMD3100-mobilized CD133+ cells from 4 subjects, AMD3100 plus G-CSF-mobilized CD133+ cells from 4 subjects and G-CSF-mobilized CD34+ cells from 5 subjects. The HSCs were compared to peripheral blood leukocytes (PBLs) from 7 subjects.

2010-04-01 | E-GEOD-11248 | biostudies-arrayexpress

Peripheral blood stem cell gene profiling

Project description:Mobilized-peripheral blood hematopoietic stem cells (HSCs) have been used for transplantation, immunotherapy, and cardiovascular regenerative medicine. Agents used for HPC mobilization include G-CSF and the CXCR4 inhibitor AMD3100. The HSCs cells mobilized by each agent may contain different subtypes and have different functions. To characterize mobilized HSCs used for clinical applications, microRNA (miRNA) profiling and gene expression profiling were used to compare AMD3100-mobilized CD133+ cells from 4 subjects, AMD3100 plus G-CSF-mobilized CD133+ cells from 4 subjects and G-CSF-mobilized CD34+ cells from 5 subjects. The HSCs were compared to peripheral blood leukocytes (PBLs) from 7 subjects. Keywords: cell type comparison design gene expression profiling were used to compare AMD3100-mobilized CD133+ cells from 4 subjects, AMD3100 plus G-CSF-mobilized CD133+ cells from 4 subjects and G-CSF-mobilized CD34+ cells from 5 subjects. The HSCs were compared to peripheral blood leukocytes (PBLs) from 7 subjects.

2010-04-01 | E-GEOD-11247 | biostudies-arrayexpress

Peripheral blood stem cell gene profiling

2010-04-01 | GSE11247 | GEO

Peripheral blood stem cell microRNA profiling

2010-04-01 | GSE11248 | GEO

Peripheral blood stem cell gene and microRNA profiling

Project description:Mobilized-peripheral blood hematopoietic stem cells (HSCs) have been used for transplantation, immunotherapy, and cardiovascular regenerative medicine. Agents used for HPC mobilization include G-CSF and the CXCR4 inhibitor AMD3100. The HSCs cells mobilized by each agent may contain different subtypes and have different functions. To characterize mobilized HSCs used for clinical applications, microRNA (miRNA) profiling and gene expression profiling were used to compare AMD3100-mobilized CD133+ cells from 4 subjects, AMD3100 plus G-CSF-mobilized CD133+ cells from 4 subjects and G-CSF-mobilized CD34+ cells from 5 subjects. The HSCs were compared to peripheral blood leukocytes (PBLs) from 7 subjects. This SuperSeries is composed of the following subset Series: GSE11247: Peripheral blood stem cell gene profiling GSE11248: Peripheral blood stem cell microRNA profiling Keywords: SuperSeries Refer to individual Series

2010-04-01 | E-GEOD-11255 | biostudies-arrayexpress

G-CSF plus AMD3100 mobilization in adult patients with beta-thalassemia results in effective mobilization of CD34+ cells with primitive signatures

Project description:Successful gene therapy for Î²-thalassemia requires optimal numbers of autologous gene-transduced hematopoietic progenitors stem cells (HPSC) with high repopulating capacity and mobilization is the optimal approach for achieving this goal. We performed a clinical study to investigate safety and efficacy of G-CSF+AMD3100 mobilization in four adult with Î²-thalassemia to reach a cell dose of â¥8x106 CD34+cells/Kg and to characterize the CD34+cell populations mobilized before and after plerixafor administration. The procedure resulted well-tolerated in all patients. Three of the four patients reached the target cell dose or more in single-apheresis collections, even one patient where a significant dose reduction of G-CSF was imposed due to early hyperleukocytosis. A significant increase in the number of circulating CD34+ cells/Âµl (12.1Â± 8.2 fold), and in the frequency of the more primitive CD34+/CD133+/CD38- cells (1.7Â±0.7 fold) was unanimously observed after AMD3100 addiction. Intraindividual comparison of gene expression profile of CD34+ cells mobilized with G-CSF versus G-CSF+ AMD3100 highlighted a different expression pattern of genes involved in the processes of HSC/stroma adhesion, homing, cell motility and transcription regulation. Overall, the safety profile, the yield, and the expression of genes that potentially promote superior engraftment depict G-CSF+AMD3100 mobilized HSC as optimal graft source for Î²-thalassemia gene therapy One experiment performed on purified CD34+ PBPC of the same patient 1 after mobilization with G-CSF + Plerixafor , and after mobilization with G-CSF alone. Universal Human Reference RNA (Stratagene, La Jolla, CA), was used as reference.

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G-CSF plus AMD3100 mobilization in adult patients with beta-thalassemia results in effective mobilization of CD34+ cells with primitive signatures

Project description:Successful gene therapy for β-thalassemia requires optimal numbers of autologous gene-transduced hematopoietic progenitors stem cells (HPSC) with high repopulating capacity and mobilization is the optimal approach for achieving this goal. We performed a clinical study to investigate safety and efficacy of G-CSF+AMD3100 mobilization in four adult with β-thalassemia to reach a cell dose of ≥8x106 CD34+cells/Kg and to characterize the CD34+cell populations mobilized before and after plerixafor administration. The procedure resulted well-tolerated in all patients. Three of the four patients reached the target cell dose or more in single-apheresis collections, even one patient where a significant dose reduction of G-CSF was imposed due to early hyperleukocytosis. A significant increase in the number of circulating CD34+ cells/µl (12.1± 8.2 fold), and in the frequency of the more primitive CD34+/CD133+/CD38- cells (1.7±0.7 fold) was unanimously observed after AMD3100 addiction. Intraindividual comparison of gene expression profile of CD34+ cells mobilized with G-CSF versus G-CSF+ AMD3100 highlighted a different expression pattern of genes involved in the processes of HSC/stroma adhesion, homing, cell motility and transcription regulation. Overall, the safety profile, the yield, and the expression of genes that potentially promote superior engraftment depict G-CSF+AMD3100 mobilized HSC as optimal graft source for β-thalassemia gene therapy

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Project description:Expression prolile of CWHM-823+tGro-b mobilized (3 mg/kg + 2.5 mg/kg, s.c. injection, timepoint 30 min) HSPC was compared to that of AMD3100 (5 mg/kg, 1 hr after s.c. injection) or G-CSF (100 ug/kg/injection, q12h, 5 days) mobilized as well as BM resident HSPC. Accordingly, the cells were isolated from the BM of untreated or from the peripheral blood (PB) of differentially mobilized mice.

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AMD3100 and G-CSF Mobilize Different CD34+ Cell Populations Based on Gene and miRNA Expression

Project description:Plerixafor (AMD3100) and G-CSF mobilize peripheral blood stem cells (PBSCs) by different mechanisms. A rhesus macaque model was used to compare plerixafor and G-CSF-mobilized CD34+ cells. Three PBSC concentrates were collected from 3 macaques treated with G-CSF, plerixafor, or plerixafor plus G-CSF. CD34+ cells were isolated by immunoselection and were analyzed by global gene and micro RNA (miR) expression microarrays. Unsupervised hierarchical clustering of the gene expression data separated the CD34+ cells into three groups based on mobilization regimen. Plerixafor-mobilized cells were enriched for B cells, T cells and mast cells genes and G-CSF-mobilized cells were enriched for neutrophils, and mononuclear phagocytes (MPs) genes. Genes up-regulated in plerixafor plus G-CSF-mobilized CD34+ cells included many that were not up-regulated by either agent alone. Two hematopoietic progenitor cell miR, miR-10 and miR-126, and a dendritic cell miR, miR-155, were up-regulated in G-CSF-mobilized CD34+ cells. A pre-B cell acute lymphocytic leukemia miR, miR-143-3p, and a T cell miR, miR-143-5p, were up-regulated in plerixafor plus G-CSF-mobilized cells. The composition of CD34+ cells is dependent on the mobilization protocol. Plerixafor-mobilized CD34+ cells include more B, T, and mast cell precursors while G-CSF-mobilized cells have more neutrophil and MP precursors.

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AMD3100 and G-CSF Mobilize Different CD34+ Cell Populations Based on Gene and miRNA Expression

2009-12-04 | E-GEOD-16936 | biostudies-arrayexpress