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Review
. 2018 Nov 18:2018:9847015.
doi: 10.1155/2018/9847015. eCollection 2018.

Insights into Endothelial Progenitor Cells: Origin, Classification, Potentials, and Prospects

H Chopra  1 , M K Hung  2 , D L Kwong  3 , C F Zhang  4 , E H N Pow  5
Affiliations
Review

Insights into Endothelial Progenitor Cells: Origin, Classification, Potentials, and Prospects

H Chopra et al. Stem Cells Int. .

Abstract

With the discovery of endothelial progenitor cells (EPCs) in the late 1990s, a paradigm shift in the concept of neoangiogenesis occurred. The identification of circulating EPCs in peripheral blood marked the beginning of a new era with enormous potential in the rapidly transforming regenerative field. Overwhelmed with the revelation, researchers across the globe focused on isolating, defining, and interpreting the role of EPCs in various physiological and pathological conditions. Consequently, controversies emerged regarding the isolation techniques and classification of EPCs. Nevertheless, the potential of using EPCs in tissue engineering as an angiogenic source has been extensively explored. Concomitantly, the impact of EPCs on various diseases, such as diabetes, cancer, and cardiovascular diseases, has been studied. Within the limitations of the current knowledge, this review attempts to delineate the concept of EPCs in a sequential manner from the speculative history to a definitive presence (origin, sources of EPCs, isolation, and identification) and significance of these EPCs. Additionally, this review is aimed at serving as a guide for investigators, identifying potential research gaps, and summarizing our current and future prospects regarding EPCs.

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Figures

Figure 1
Figure 1
Difference between stem cells and progenitor cells.
Figure 2
Figure 2
Origin of ECs from haemangioblast: haematopoiesis.
Figure 3
Figure 3
Different sources of EPCs.
Figure 4
Figure 4
Isolation of EPCs by various techniques.
Figure 5
Figure 5
Phenotypic identity of ECs.
See this image and copyright information in PMC

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