Correlation and Significance of COX-2, Ki67, VEGF and Other Immune Indexes with the Growth of Malignant Pulmonary Nodules

Overview

Journal J Cardiothorac Surg

Publisher Biomed Central

Specialties Cardiology & Vascular Diseases
General Surgery
Pulmonary Medicine

Date 2022 Nov 17

PMID 36384712

Authors

Haoxin Guo

Wenfei Xue

Qingtao Zhao

Huanfen Zhao

Zhonghui Hu

Xiaopeng Zhang

Guochen Duan

Affiliations

Soon will be listed here.

Abstract

Objective: This study intends to explore the factors affecting the growth of pulmonary nodules in the natural process by immunohistochemical method.

Methods: 40 cases of pulmonary nodules followed up for more than 3 years were divided into growth group (n = 20) and stable group (n = 20). The expressions of cyclooxygenase-2 (COX-2), Ki67, vascular endothelial growth factor (VEGF), CD44V6, epidermal growth factor receptor (EGFR), double microsome 2 (MDM2) and transforming growth factor (TGF)-β1 in pulmonary nodules were detected by immunohistochemical method so as to explore the relationship between it and the growth of pulmonary nodules.

Results: Compared with stable pulmonary nodules, the positive rates of COX-2, Ki67 and VEGF in the growth group were 85%, 80% and 55%, respectively. There was significant difference between the stable group and the growth group (P < 0.05). The correlation between other indexes and the growth of pulmonary nodules was not statistically significant (P = 0.104;P = 0.337; P = 0.49; P = 0.141). In the subgroup of patients with non-invasive lung cancer, there was a correlation between VEGF and the growth of pulmonary nodules (P < 0.05).

Conclusion: The high expression of COX-2, Ki67 and VEGF proteins may be significantly related to the growth of pulmonary nodules, and VEGF may be an important factor affecting the growth of malignant pulmonary nodules. This study intends to provide a research direction for further searching for the essential causes of the growth of pulmonary nodules.

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