RUNX3在腎癌中的表達(dá)及臨床意義的研究
[Abstract]:Background Renal cell carcinoma (RCC) is the second most common malignant tumor in adult urinary system in China. Surgical treatment is the main treatment for early localized renal cell carcinoma. However, the prognosis of advanced metastatic renal cell carcinoma is not optimistic because of its insensitivity to radiotherapy and chemotherapy. At present, biological immunotherapy and targeted therapy have become the main treatment measures for advanced renal cell carcinoma. Although significant progress has been made in clinical efficacy, most patients can not obtain satisfactory complete remission rate and progression free survival. Therefore, the research and development of new renal cell carcinoma targets and cancer pathway has become an urgent clinical problem to be solved. Human RUNT related transcription factor 3 (RUNX3) is a key member of the RUNT family, RUNX3 gene, as a signal factor of transcriptional growth-尾 (TGF- 尾) signal transduction pathway, involved in the regulation of tumor cell proliferation and death by promoting apoptosis of tumor cells. Angiogenesis and invasion. A large number of studies have shown that the inactivation of RUNX3 gene as a tumor suppressor gene, mutation and deletion are closely related to the occurrence of gastric cancer, colon cancer, breast cancer, pancreatic cancer and other tumors. There are also few reports of overexpression in some head and neck tumors and melanoma suggesting that RUNX3 may be carcinogenic. Objective to investigate the difference of RUNX3 expression in renal cell carcinoma and paracancerous tissues, and to explore its mechanism by literature review, and to study the relationship between the expression of RUNX3 and clinical prognosis. Methods from October 2014 to September 2015, 20 cases of renal clear cell carcinoma (RCC) and their adjacent tissues were collected and stored in a liquid nitrogen tank in Urology, Qilu Hospital, Shandong University from October 2014 to September 2015. The specimens are stored in-80 degrees Celsius refrigerator. All cancer specimens were confirmed as renal clear cell carcinoma by the Department of Pathology of Qilu Hospital, Shandong University. The fresh frozen tissues were then detected by Western-blot, real-time fluorescence quantitative PCR assay and immunohistochemical staining. The difference of RUNX3 expression in the 20 pairs of tissues was detected from protein level and mRNA level, respectively. The correlation between RUNX3 expression and clinicopathological data was analyzed. The results of 1.Western-blot showed that the expression of RUNX3 in renal cell carcinoma was significantly higher than that in paracancerous tissues. Immunohistochemical staining showed that RUNX3 was expressed in the nucleus of RCC as a transcription factor, and the expression of RUNX3 in RCC was significantly higher than that in paracancerous tissue. 3. RT-PCR results were consistent with Western-blot results. The expression of RUNX3 mRNA in renal carcinoma tissues was significantly higher than that in paracancerous tissues. Conclusion the expression of RUNX3 in renal cell carcinoma is higher than that in normal paracancerous tissue. RUNX3 as a classical tumor suppressor gene has a potential carcinogenic effect. The carcinogenic mechanism of RUNX3 in renal cell carcinoma needs further study.
【學(xué)位授予單位】:山東大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2017
【分類號(hào)】:R737.11
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