Increased concentration of vascular endothelial growth factor/vascular permeability factor in cyst fluid of enlarging and recurrent thyroid nodules

The Journal of Clinical Endocrinology and Metabolism
K SatoT Obara

Abstract

Human thyrocytes produce vascular endothelial growth factor (VEGF), a potent angiogenic factor, also known as vascular permeability factor (VPF), which increases vascular permeability. Based on the assumption that VEGF/VPF is involved in fluid accumulation in thyroid cysts, we determined the VEGF/VPF concentration in cyst fluids of thyroid nodules from 79 patients. VEGF/VPF was found to be abundantly present in the cyst fluids (0.02-183 ng/mL). There was no significant difference of VEGF/VPF concentration in the cyst fluid obtained from thyroid adenoma or from adenomotous goiter with cystic degeneration. Immunoreactive VEGF/VPF in cyst fluid was eluted mainly at 45 kDa, and stimulated endothelial cell proliferation, which was partially blocked by anti-VEGF/VPF antibody. The VEGF/ VPF concentration in the cyst fluid obtained from patients who required repeated aspiration or underwent surgical resection because of recurrent accumulation (84.8 +/- 58.3 ng/mL, mean +/- SD, n = 18) was significantly higher than that in the cysts that regressed or disappeared after a single aspiration (4.3 +/- 4.4 ng/mL, n = 12, P < 0.001). These in vitro and clinical findings suggest that VEGF/VPF is at least partly involved in the accumulation of c...Continue Reading

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Citations

Apr 30, 2013·Endocrine·Birsen BilgiciAysegul Atmaca
May 12, 2007·Wiener klinische Wochenschrift·Andrea HofmannShuren Li
Sep 24, 1999·Chest·D ChengR W Light
Oct 21, 2016·Journal of Oral Biology and Craniofacial Research·Bhavana GuptaVivek Gupta
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May 9, 2014·Journal of Clinical Pharmacy and Therapeutics·X TongT Huang

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