期刊
INTERNATIONAL ORTHOPAEDICS
卷 38, 期 9, 页码 1819-1824出版社
SPRINGER
DOI: 10.1007/s00264-014-2295-0
关键词
Pericyte; Adventitial cell; Glomus tumour; Myopericytoma; Solitary fibrous tumour; hemangiopericytoma
类别
资金
- UCLA Pathology Translational Research Fund
- NIH MARC [T34 GM008563]
- MRC [G1000816] Funding Source: UKRI
- Medical Research Council [G1000816] Funding Source: researchfish
Pericytes were once thought only to aid in angiogenesis and blood pressure control. Gradually, the known functions of pericytes and other perivascular stem cells (PSC) have broadly increased. The following review article will summarize the known functions and importance of pericytes across disciplines of pathology, stem cell biology, and tissue engineering. A literature review was performed for studies examining the importance of pericytes in pathology, stem cell biology, and tissue engineering. The importance of pericytes most prominently includes the identification of the perivascular identity of mesenchymal stem cells (or MSC). Now, pericytes and other PSC are known to display surface markers and multilineage differentiation potential of MSC. Accordingly, interest in the purification and use of PSC for mesenchymal tissue formation and regeneration has increased. Significant demonstration of in vivo efficacy in bone and muscle regeneration has been made in laboratory animals. Contemporaneously with the uncovering of an MSC identity for pericytes, investigators in tumour biology have found biologically relevant roles for pericytes in tumor formation, lymphovascular invasion, and perivascular tumor spread. As well, the contribution of pericytes to perivascular tumors has been examined (and debated), including glomus tumour, myopericytoma and solitary fibrous tumour/hemangiopericytoma. In addition, an expanding recognition of pericyte mimicry and perivascular tumour invasion has occurred, encompassing common malignancies of the brain and skin. In summary, pericytes have a wide range of roles in health and disease. Pericytes are being increasingly studied for their role in tumour formation, growth and invasion. Likewise, the application of pericytes/PSC for mesenchymal tissue engineering is an expanding field of interest.
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