Increased Expression of VEGF, COX-2, and Ki-67 in Barrett’s Esophagus: Does the Length Matter?
2012
Background
Barrett’s esophagus (BE) is a major complication of gastroesophageal reflux disease due to its neoplastic potential. The length of the metaplastic epithelium has been associated with cancer risk. Angiogenesis, inflammation, and increased cell proliferation are early events in the malignant sequence. Vascular endothelial growth factor (VEGF), cyclooxygenase-2 (COX-2) and Ki-67 are indirect markers of these complex mechanisms.
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