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ORIGINAL ARTICLEEndothelial Progenitor Cells (EPC) Count by Multicolor Flow Cytometry in Healthy Individuals and Diabetes Mellitus (DM) Patients by Mesude Falay, Server Aktas

Background: The present study aimed to determine circulating Endothelial Progenitor Cell (EPC) counts by multicolor flow cytometry in healthy individuals and diabetic subjects by means of forming an analysis procedure using a combination of monoclonal antibodies (moAbs), which would correctly detect the circulating EPC count.
Methods: The circulating EPC count was detected in 40 healthy individuals (20 Female, 20 Male; age range: 26 - 50 years) and 30 Diabetes Mellitus (DM) patients (15 Female, 15 Male; age range: 42 - 55) by multicolor flow cytometry (FCM) in a single-tube panel consisting of 5 CD45/CD31/CD34/CD309/ SYTO® and 16 monoclonal antibodies.
Results: Circulating EPC count was 11.33 (7.89 - 15.25) cells/µL in the healthy control group and 4.80 (0.70 - 10.85) cells/µL in the DM group. EPC counts were significantly lower in DM cases that developed coronary artery disease (53.3%) as compared to those that did not (p < 0.001).
Conclusions: In the present study, we describe a method that identifies circulating EPC counts by multicolor flow cytometry in a single tube and determines the circulating EPC count in healthy individuals. This is the first study conducted on EPC count in Turkish population. We think that the EPC count found in the present study will be a guide for future studies.

DOI: 10.7754/Clin.Lab.2016.160402