The journal of sexual medicine · 2009
Increased levels of osteocalcin-positive endothelial progenitor cells in patients affected by erectile dysfunction and cavernous atherosclerosis.
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Foresta Carlo, De Toni Luca, Biagioli Andrea, Ganz Francesco, Magagna Sabina, Caretta Nicola
Аннотация
INTRODUCTION: Erectile dysfunction (ED) was shown to be the expression of a systemic vascular disease that can precede coronary artery disease of some years. Endothelial progenitor cells (EPCs) are a population of circulating cells with endothelial-regenerative potential that may be reduced in ED and coronary patients. Recently, increased levels of osteocalcin (OCN)-positive EPC have been reported in coronary patients.
AIM: Investigate the correlation between OCN-positive EPC and cavernous atherosclerotic lesion in ED patients.
METHODS: A total of 35 subjects (20 ED patients and 15 controls) were evaluated in our andrological center and enrolled in the study.
MAIN OUTCOME MEASURE: All subjects underwent routine clinical examination. Patients were also evaluated with high resolution echo color doppler of penile districts (intima media thickness [IMT] before and after intracavernous alprostadil injection) and circulating levels of progenitor cells (PC), EPC, and OCN-positive fraction of EPC.
RESULTS: A progressive reduction of circulating EPC with the severity of cavernous artery atherosclerosis was found. Conversely circulating OCN-positive EPC levels undergo to a significant increase with cavernous atherogenesis progression.
CONCLUSIONS: OCN-positive EPC levels in association with penile-color Doppler ultrasound evaluation of cavernous IMT could be predictive markers of subsequent coronary artery disease in ED patients.
AIM: Investigate the correlation between OCN-positive EPC and cavernous atherosclerotic lesion in ED patients.
METHODS: A total of 35 subjects (20 ED patients and 15 controls) were evaluated in our andrological center and enrolled in the study.
MAIN OUTCOME MEASURE: All subjects underwent routine clinical examination. Patients were also evaluated with high resolution echo color doppler of penile districts (intima media thickness [IMT] before and after intracavernous alprostadil injection) and circulating levels of progenitor cells (PC), EPC, and OCN-positive fraction of EPC.
RESULTS: A progressive reduction of circulating EPC with the severity of cavernous artery atherosclerosis was found. Conversely circulating OCN-positive EPC levels undergo to a significant increase with cavernous atherogenesis progression.
CONCLUSIONS: OCN-positive EPC levels in association with penile-color Doppler ultrasound evaluation of cavernous IMT could be predictive markers of subsequent coronary artery disease in ED patients.