Pericytes as the Orchestrators of Vasculature and Adipogenesis
Caroline de Carvalho Picoli1, Alexander Birbrair2, Ziru Li1
1Center for Molecular Medicine, MaineHealth Institute for Research, Scarborough, ME 04074, USA.
Insights
Pericytes (PCs), crucial for blood vessel health, are also stem cells in fat tissue. Understanding PC markers aids in targeting metabolic and bone diseases.
Area of Science:
- Cell Biology
- Vascular Biology
- Adipose Tissue Biology
Background:
- Pericytes (PCs) are perivascular cells integral to microvessel stability and function.
- PCs possess multi-potent stem/progenitor cell properties within various adipose tissues.
- The heterogeneity and precise identification of PCs present significant research challenges.
Purpose of the Study:
- To review common pericyte markers used in lineage-tracing studies.
- To highlight the role of pericytes in adipogenesis across different adipose depots.
- To discuss pericyte functions under various metabolic conditions.
Main Methods:
- Literature review of pericyte markers.
- Analysis of lineage-tracing studies involving pericytes.
- Synthesis of data on pericyte contribution to adipogenesis and function.
Main Results:
- Multiple markers are utilized for pericyte identification and lineage tracing.
- Pericytes contribute to the development and function of white, brown, and beige adipose tissues.
- Pericyte behavior and function are modulated by metabolic state.
Conclusions:
- A deeper understanding of pericyte heterogeneity is essential for therapeutic applications.
- Targeting pericytes may offer novel strategies for treating metabolic and bone-related disorders.
- Further research into pericyte markers and functions can unlock their therapeutic potential.
Abstract:
Pericytes (PCs) are located surrounding the walls of small blood vessels, particularly capillaries and microvessels. In addition to their functions in maintaining vascular integrity, participating in angiogenesis, and regulating blood flow, PCs also serve as a reservoir for multi-potent stem/progenitor cells in white, brown, beige, and bone marrow adipose tissues. Due to the complex nature of this cell population, the identification and characterization of PCs has been challenging. A comprehensive understanding of the heterogeneity of PCs may enhance their potential as therapeutic targets for metabolic syndromes or bone-related diseases. This mini-review summarizes multiple PC markers commonly employed in lineage-tracing studies, with an emphasis on their contribution to adipogenesis and functions in different adipose depots under diverse metabolic conditions.
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