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Expression of Mir-155 and Cea and Vegf Proteins As Diagnostic Markers in Early Stages of Non-Small Cell Lung Cancer in Peripheral Blood



Sa Azimi Seyedeh AFROOZ ; Hrs Nia Hamid Reza SADEGH ; N Bahrami NAGHMEH ; H Dargahi HOSSEIN ; H Jamaati HAMIDREZA ; A Pasdar ALIREZA ; Mk Kazempourdizaji Mehdi KAZEMPOOR ; S Shirian SADEGH ; B Zerehsaz BAHAREH ; A Mohamadnia ABDOLREZA
Authors

Source: Tanaffos Published:2024

Abstract

Background: Cancer is a disease caused by manifestation and abnormal gene expression. Many of the genes that inhibit cancer by the microRNAs. The aim of this study was to investigate the Expression of miR155 gene and CEA and VEGF proteins as Diagnostic Markers in Early Stages of Non-Small Cell Lung Cancer (NSCLC). Materials and Methods: Fifty pairs of non-small lung cancer specimens of patients from healthy and tumors specimens were collected based on physical examination and diagnosis of an expert, that, in Masih Daneshvari Hospital. 50 healthy volunteers as a control group were volunteered by the physician after examination and filled out the consent form in this study. From all subjects, 6 ml of peripheral blood were taken and examined by Real-Time PCR (RT-PCR) and ELISA. Results: The expression level of miR-155 in patients was significantly increased compared to the control group (p<0.001). VEGF protein was positive in 34 of the 50 patients and in healthy subjects, 3 persons were positive. The statistical comparison of the amount of positive biomarker was performed in two groups and it was shown that there is a statistically significant difference between these two groups (P<0.001). CEA protein was positive in 38 of the 50 patients and 5 in healthy subjects were positive. The statistical comparison of the amount of positive biomarker was performed in two groups and it was shown that there is a statistically significant difference between these two groups (P<0.001). Conclusion: This study showed that miR155 gene and CEA and VEGF proteins are relatively good markers for the diagnosis of non-small cell lung cancer patients in Iranian population. © 2024 Elsevier B.V., All rights reserved.
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