MiRNA profiles of EVs released from menstrual blood-derived stem cells
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ABSTRACT:
PROVIDER: PRJNA926662 | ENA |
REPOSITORIES: ENA
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Project description:To identify specific miRNAs carried by MenSC-EVs, and explore their crucial roles in MenSC-EV-based improvement of inflammatory diseases.
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Project description:Mesenchymal stromal cells (MSCs) have been shown to exert their therapeutic effects through the secretion of various paracrine factors, including extracellular vesicles (EVs). These EVs are now being developed as a promising alternative to cell-based therapies. Menstrual blood-derived stromal cells (MenSCs) are a type of MSC that have emerged as a innovative source due to their immunomodulatory and regenerative properties. Additionally, new strategies of cell priming could potentially alter the concentration and cargo of released EVs, leading to modifications in their biological properties. In this study, we aimed to characterize the EVs released by MenSCs and to compare their therapeutic potential under three different preconditioning conditions (proinflammatory stimuli, physioxia, and acute hypoxia).
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2022-02-15 | E-MTAB-11417 | biostudies-arrayexpress
Project description:To investigated dysregulated miRNAs in human MDS patients, we performed miRNA-sequencing (miRNA-seq) of serum EVs from 38 MDS patients and 8 healthy subjects. The miRNA profile in EVs from MDS patients was distinctly clustered from that in healthy individuals. In addition, the miRNAs significantly upregulated in the MDS group target pathways linked to cell survival, proliferation, and MSC differentiation, indicating that they have remarkably similar properties to miRNAs in murine EVs from MDS cells. These results suggest that miRNAs play an essential role in the MSC impairment observed in MDS.
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Project description:To identify the mechanism by which miRNAs in EVs derived from MDS cells suppressed the osteolineage differentiation of MSCs and disrupted normal hematopoiesis, we comprehensively explored the miRNAs encapsulated in EVs by miRNA-array. Consistent with the heterogeneous nature of MDS, the hypoplastic Abcg2-MDS/AML model and the hyperplastic NHD13Tg model share few elevated miRNAs. However, it is noteworthy that the pathways targeted by each upregulated miRNA are mutually shared, such as the pathways associated with MSC differentiation and survival, including axon guidance and MAPK signaling. These results suggest that miRNAs play an essential role in the MSC impairment observed in MDS.
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Project description:miRNA expression data from HPC-EVs
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Project description:The ability to predict the type of tissues or cells from molecular profiles of crime scene samples has practical implications in forensics. In order to identify body fluid-specific DNA methylation changes, genome-wide DNA methylation profiling was carried out for body fluids including menstrual blood and vaginal fluid obtained from 3 female donors aged 19, 27 and 38 years. The Illumina Infinium 450k Human DNA methylation Beadchip was used to obtain DNA methylation profiles across approximately 450,000 CpGs in bisulfite converted DNA. Samples included 3 of each vaginal fluid and menstrual bloods collected on the first, second and third days of menstrual bleeding.
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Project description:The goal of this study is to identify unique miRNA profiles of EVs from MCF7 and MCF10A cells that distinguish their cellular origin. 654 human mature miRNAs were analyzed in NanoString assays to identify miRNA with high abundance in MCF7 EVs and the greatest fold change for MCF7 EVs relative to MCF10A EVs.
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Project description:Young and Aged osteocytes in bone matrix secreted plenty of extracellular vesicles (EVs) with different functions. We found that EVs released from aged bone matrix (AB-EVs) during bone resorption favor adipogenesis rather than osteogenesis of BMSCs and augment calcification of vascular smooth muscle cells (VSMCs). In this work, we aim to detect the differential regulation microRNAs. Vascular calcification often occurs with osteoporosis, a contradictory association called “calcification paradox”. We find that extracellular vesicles (EVs) released from aged bone matrix (AB-EVs) during bone resorption favor adipogenesis rather than osteogenesis of BMSCs and augment calcification of vascular smooth muscle cells (VSMCs). Intravenous or intramedullary injection of AB-EVs promotes bone-fat imbalance and exacerbates Vitamin D3 (VD3)-induced vascular calcification in young or old mice. To explore the involvement of miRNAs in the AB-EVs-induced promotion of adipocyte formation and vascular calcification, the Agilent miRNA array was conducted to compare the miRNA expression profiles in AB-EVs and YB-EVs from mouse bone specimens. Our study uncovers the role of AB-EVs as a messenger for calcification paradox by transferring functional miRNAs.
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