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CD146+CD45-CD31- pericyte RNA sequencing following an acute bout of electrical stimulation

ABSTRACT: CD146+CD45-CD31- pericyte RNA sequencing following an acute bout of electrical stimulation

PROVIDER: PRJNA505805 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR8199762.fastq.gz	Fastqsanger.gz
	SRR8199763.fastq.gz	Fastqsanger.gz
	SRR8199764.fastq.gz	Fastqsanger.gz
	SRR8199765.fastq.gz	Fastqsanger.gz
	SRR8199766.fastq.gz	Fastqsanger.gz

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CD146+CD45-CD31- pericyte RNA sequencing following an acute bout of electrical stimulation

Project description:The objective of this study was to understand the mechanisms by which electrical stimulation in vivo leads to improvements and growth in skeletal muscle post exercise through changing the function of CD146+CD45-CD31- pericytes. We utilized global gene profiling to identify novel signaling pathways and patterns of gene expression involved in this adaptation process.

2020-04-14 | GSE122628 | GEO

Comparison of periosteal, adipose, and dermal CD146+ human pericytes

Project description:Human pericytes demonstrate multilineage differentiation potential, and their descendants participate in tissue homeostasis and repair. Increasing evidence from developmental biology and tissue engineering suggest that regional specification by tissue of origin exists among human pericytes. Here, we sought to define the differentiation of CD146+ human pericytes from skeletal and soft tissue sources. Uncultured CD146+CD31-CD45- pericytes were derived by fluorescent activated cell sorting from human periosteum, adipose, or dermal tissue. Periosteal CD146+CD31-CD45- cells retained canonical features of pericytes, including cell surface marker expression, multilineage differentiation potential, and paracrine induced tubulogenesis. Periosteal pericytes demonstrated a striking tendency to undergo osteoblastogenesis, while soft tissue pericytes did not in vitro or in vivo. Microarray analysis demonstrated substantive differences between periosteal pericytes in comparison to their soft tissue pericyte counterparts. In sum, skeletal and soft tissue pericytes differ in their relative lineage differentiation potential and ability to form bone. Human tissues were microdissected, digested, and FACS sorted to derived a CD146+CD31-CD45- pericyte population, and cells were expanded in standard growth medium (DMEM, 10% FBS, 1% pen/strep) and nucleic acid isolated at subconfluency

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Divergent cell fates and functions between skeletal and soft tissue CD146+ pericytes

Project description:Human pericytes demonstrate multilineage differentiation potential, and their descendants participate in tissue homeostasis and repair. Increasing evidence from developmental biology and tissue engineering suggest that regional specification by tissue of origin exists among human pericytes.Here, we sought to define the differentiation of CD146+ human pericytes from skeletal and soft tissue sources. Uncultured CD146+CD31-CD45- pericytes were derived by fluorescent activated cell sorting from human periosteum, adipose, or dermal tissue. Periosteal CD146+CD31-CD45- cells retained canonical features of pericytes, including cell surface marker expression, multilineage differentiation potential, and paracrine induced tubulogenesis. Periosteal pericytes demonstrated a striking tendency to undergo osteoblastogenesis, while soft tissue pericytes did not in vitro or in vivo. Microarray analysis demonstrated enrichment in CXCR4 and BMP signaling among periosteal pericytes in comparison to their soft tissue pericyte counterparts. Signaling pathway manipulation of CXCR4 among soft tissue pericytes led to an increase in osteoblastogenesis and bone formation. In sum, skeletal and soft tissue pericytes differ in their relative lineage differentiation potential and ability to form bone. Plasticity exists, however, and manipulation of CXCR4 signaling pathway may ‘coax’ a soft tissue pericyte toward an osteoblastogenic cell fate.

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The difference of gene expression signatures between CD146+ and CD146- cells in malignant rhabdoid tumor

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