Expression profiling of expressed RNAs during osteogenic differentiation of human donor mesenchymal stromal cells
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PROVIDER: PRJNA771457 | ENA |
REPOSITORIES: ENA
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Project description:Transriptome profiling to examine mRNA and lncRNA expression during osteogenic differentiation was completed in MSCs from 5 young, healthy male donors.
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Project description:The aim of this study was to identify non-coding RNA that were differentially expressed 7 days after induction of osteogenic or chondrogenic differentiation in human bone marrow-mesenchymal stromal cells (MSCs).
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Project description:The aim of this study was to identify non-coding RNA that were differentially expressed 7 days after induction of osteogenic or chondrogenic differentiation in human bone marrow-mesenchymal stromal cells (MSCs).
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Project description:The aim of this study was to identify non-coding RNA that were differentially expressed 7 days after induction of osteogenic or chondrogenic differentiation in human bone marrow-mesenchymal stromal cells (MSCs).
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Project description:In this series we have analyzed the effect of donor age on the gene expression profile of mesenchymal stromal cells (alternatively named mesenchymal stem cells; MSC) from human bone marrow. Cells were taken from bone marrow aspirates from iliac crest (BM) of healthy donors or from the caput femoris (HIP) of elderly patients that received femoral head prosthesis.
2009-06-12 | GSE12274 | GEO
Project description:The treatment of bone defects caused by infection, trauma or neoplasms remains a clinical challenge. Autologous bone transplantation is limited by availability, donor site morbidity and surgical risk factors. This has given rise to stromal/stem-cell based therapy. Bone marrow derived stromal cells (BMSCs) have been studied to a large extent and show high regenerative potential but their use is limited by availability, donor site morbidity and the relatively low cell yield as they represent only <0.1% of cell harvested from bone marrow aspirate. At the same time, they are the closest mesenchymal stromal cells for bone tissue engineering given their tissue origin and, unlike other mesenchymal stromal cells, can support the formation of hematopoietic marrow. Adipose tissue derived stromal cells (ASCs) as part of the stromal vascular fraction of adipose tissue can as well undergo osteogenic differentiation but can be additionally isolated in a sufficient quantity from lipoaspirate after liposuction of abundant subcutaneous fat tissue. Here, it has been shown that there are no major differences in regard to proliferation or differentiation capacity of ASCs derived from subcutaneous fat of different anatomical regions. It has been shown that BMSCs are more prone to senescence during expansion and passage than ASCs and that ageing impacts proliferative capabilities of BMSCs more than that of ASCs while it has also been reported that osteogenic differentiation capacity is least impacted by age. Multiple studies have compared the characteristics of these two mesenchymal stromal cells in regard to bone tissue engineering in vitro. Most studies point to inferior extracellular matrix mineralization and lower expression of key osteogenic transcription markers like Runx2 in osteogenic differentiated ASCs compared to BMSCs. On the other hand, a study by Rath et al. found contrary results using particular culturing conditions like 3D bioglass scaffolds. An intraindividual comparison of human MSCs of three donors cultured on decellularized porcine bone confirmed superior osteogenic capacity of BMSCs compared to ASCs. In contrast to BMSCs, ASCs were not able to induce heterogenic ossification in a mouse model. In a sheep tibia defect model application of BMSCs resulted in a significantly higher amount of newly formed bone tissue. Importantly, Osteogenic differentiated ASCs do not support the formation of a hematopoietic marrow. Proteomics enables large-scale analysis of proteins present in a cell type and can be used to identify differentially regulated key proteins in a comparative approach. A comparative proteomic analysis of BMSCs and ASCs by Roche et al. in 2009 identified 556 proteins with 78% of these not being differentially regulated between these two cell populations, regarded as high similarity. Another comparative proteomic study of 2016 by Jeon et al. found 90 differentially regulated proteins out of 3000 total identified proteins. Both studies do not specify a number of different tissue donors and in part using cell lines. Looking for differences upon osteogenic differentiation, transcriptomic comparison of osteogenic differentiated porcine ASCs and BMSCs has been performed, resulting in 21 differentially expressed genes after 21 days of osteogenic culture conditions. Still, it remains unanswered, which are the key distinctive features of osteogenic differentiated ASCs and BMSCs at protein level that might help address the abovementioned weaknesses of ASCs in bone tissue engineering/regeneration for translational research. To overcome this need, an intraindividual comparative DIA based proteomic analysis of osteogenic differentiated human BMSC and ASCs was performed in this study.
2021-06-09 | PXD015223 | Pride
Project description:Human aging is associated with loss of function and regenerative capacity. Human bone marrow derived mesenchymal stromal cells (hMSCs) are involved in tissue regeneration, evidenced by their capacity to differentiate into several lineages and therefore are considered the gold standard for cell-based regeneration therapy. Tissue maintenance and regeneration is dependent on stem cells and declines with age and aging is thought to influence therapeutic efficacy, therefore, more insight in the process of aging of hMSCs is of high interest. We, therefore, hypothesized that hMSCs might reflect signs of aging. In order to find markers for donor age, early passage hMSCs were isolated from bone marrow of 61 donors, with ages varying from 17-84, and clinical parameters, in vitro characteristics and microarray analysis were assessed. Although clinical parameters and in vitro performance did not yield reliable markers for aging since large donor variations were present, genome-wide microarray analysis resulted in a considerable list of genes correlating with human age. By comparing the transcriptional profile of aging in human with the one from rat, we discovered follistatin as a common marker for aging in both species. The gene signature presented here could be a useful tool for drug testing to rejuvenate hMSCs or for the selection of more potent, hMSCs for cell-based therapy. We used microaray gene expression profiling to find expressed genes that correlated with the donor age of bone-marrow derived mesenchymal stromal cells (hMSCs) Human mesenchymal stem cells (hMSC) were biopsied from bone marrow from 61 different donors aging from 17 - 89 years old. The genome wide expression profiles was assessed using Affymetrix microarrays. The expression of genes was correlated with the age of the donors.
2012-07-20 | E-GEOD-39540 | biostudies-arrayexpress
Project description:Human aging is associated with loss of function and regenerative capacity. Human bone marrow derived mesenchymal stromal cells (hMSCs) are involved in tissue regeneration, evidenced by their capacity to differentiate into several lineages and therefore are considered the gold standard for cell-based regeneration therapy. Tissue maintenance and regeneration is dependent on stem cells and declines with age and aging is thought to influence therapeutic efficacy, therefore, more insight in the process of aging of hMSCs is of high interest. We, therefore, hypothesized that hMSCs might reflect signs of aging. In order to find markers for donor age, early passage hMSCs were isolated from bone marrow of 61 donors, with ages varying from 17-84, and clinical parameters, in vitro characteristics and microarray analysis were assessed. Although clinical parameters and in vitro performance did not yield reliable markers for aging since large donor variations were present, genome-wide microarray analysis resulted in a considerable list of genes correlating with human age. By comparing the transcriptional profile of aging in human with the one from rat, we discovered follistatin as a common marker for aging in both species. The gene signature presented here could be a useful tool for drug testing to rejuvenate hMSCs or for the selection of more potent, hMSCs for cell-based therapy. We used microaray gene expression profiling to find expressed genes that correlated with the donor age of bone-marrow derived mesenchymal stromal cells (hMSCs)
2012-07-21 | GSE39540 | GEO
Project description:Identification of differentially-expressed circular RNAs in early osteogenic and chondrogenic differentiation of human bone marrow-mesenchymal stromal cells (hMSCs)
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Project description:Human bone marrow-derived mesenchymal stem/stromal cells (hBM MSCs) have multiple functions, critical for skeletal formation and function. Their functional heterogeneity, however, represents a major challenge for their isolation and in developing and potency and release assays to predict their functionality prior to transplantation. Additionally, potency, biomarker profiles and defining mechanisms of action in a particular clinical setting are increasing requirements of Regulatory Agencies for release of hBM MSCs as Advanced Therapy Medicinal Products (ATMPs) for cellular therapies. Since the healing of bone defects in larger bone grafts depends on the coupling of new blood vessel formation with osteogenesis, we hypothesised that a correlation between the osteogenic and vascular supportive potential of individual hBM MSC-derived CFU-F (colony forming unit-fibroblastoid) clones might exist. We tested this by assessing the lineage (i.e. adipogenic {A}, osteogenic {O} and/or chondrogenic {C}) potential of individual hBM MSC-derived CFU-F clones and determining if their osteogenic {O} potential correlated with their vascular supportive profile in vitro using lineage differentiation assays, endothelial-hBM MSC vascular co-culture assays and transcriptomic (RNAseq) analyses. Our results demonstrate that the majority of CFU-F (95%) possessed tri-lineage, bi-lineage or uni-lineage osteogenic capacity, with 64% of the CFU-F exhibiting tri-lineage AOC potential. We found a correlation between the osteogenic and vascular tubule supportive activity of CFU-F clones, with the strength of this association being donor dependent. RNAseq of individual clones defined gene fingerprints relevant to this correlation.
2018-12-26 | GSE117844 | GEO