巨大肝細(xì)胞癌根治術(shù)后nomogram預(yù)測(cè)模型的建立及復(fù)發(fā)相關(guān)蛋白質(zhì)組學(xué)初步研究
[Abstract]:Part 1 Survival Analysis and nomogram prediction model for giant hepatocellular carcinoma (HCC) objective: surgery is still the most effective treatment for liver cancer. In the subtype of hepatocellular carcinoma, we choose a large liver cancer patient with a poor prognosis and a high recurrence rate (diameter more than 10 cm) to analyze the pathological data of the clinicopathology, and establish the preoperation and postoperative nomogram prediction The model was used to analyze the survival and recurrence of the patients. Methods: a retrospective analysis of the clinicopathological data of 464 huge hepatocellular carcinoma patients who underwent hepatectomy in the Eastern Department of hepatobiliary surgery from January 2008 to December 2009 and 90 cases of hepatectomy in the First Affiliated Hospital of Fujian Medical University from January 2008 to April 2010. The perioperative complications, mortality, recurrence interval and total survival time were observed. The patients in the Eastern Department of hepatobiliary surgery were randomly divided into the modeling group and the internal verification group. All the patients in the First Affiliated Hospital of Fujian Medical University were the external verification group. The Cox regression analysis was used to analyze the single factor and multi factor analysis of the preoperative and postoperative data respectively. The multivariate and meaningful (P0.05) variables were included in the final preoperation and postoperatively nomogram prediction models. The predictability of the model was verified by C-index, calibration curve and verification group. Results: the incidence of postoperative complications was 18.6% (n=95) in the Oriental Department of Hepatobiliary Surgery; the cumulative recurrence rate in 1,3,5 years after operation was 43.8%, 74.1% and 82.1%; survival was 74.1% and 82.1%. The incidence of postoperative complications of 75.1%, 49%, and 33.3%. Affiliated First hospitals of Fujian Medical University was 30.5% (n=32); the cumulative recurrence rate was 38.3%, 69.2% and 84.1% in 1,3,5 years after operation; the survival rate was 77.7%, 44.9% and 21.5%. predicted survival based on preoperative and postoperative data to predict survival C-index for 0.75 (95%CI, 0.72-0.78) and 0, respectively. .78 (0.75-0.81). 3 years after the operation, the 5 year survival calibration curve nomograms predicted survival and the actual survival of a higher degree of anastomosis. Through the nomograms prediction model, the patients were stratified, and the postoperative patients were effectively divided into four equal fraction (P0.01) with increasing survival rate (P0.01). Preoperative clinicopathological data analysis showed that: AFP200ug /L, high HBV-DNA load, multiple tumor, larger tumor diameter, and an independent risk factor for survival with portal vein tumor thrombus; AFP200ug/L, high HBV-DNA load, multiple tumor, larger tumor diameter and combined portal vein thrombus as independent risk factors for recurrence. Multivariate analysis of postoperative clinicopathological data showed high HBV-DNA load and multiple swelling. Tumor, large tumor diameter, vascular invasion, tumor capsule incomplete, poor Edmonson-Stenier classification as independent risk factors for survival; high HBV-DNA load, multiple tumor, larger tumor diameter, vascular invasion, and incomplete tumor capsule as an independent risk factor for recurrence. Conclusion: preoperation and postoperative nomogram prediction model is predicted. The long-term survival and recurrence of huge hepatocellular carcinoma patients have good accuracy. Second the difference of proteomics of the recurrence related after radical hepatocarcinoma radical resection for large hepatocellular carcinoma (I TRAQ) identification and screening of differential expression related to recurrence of giant hepatocellular carcinoma after radical resection Methods the primary hepatocarcinoma tissue specimens of the patients with recurrent hepatocellular carcinoma (HCC) after surgical excision were selected to be grouped according to the postoperative recurrence time. Two dimensional liquid chromatography tandem mass spectrometry (2DLC-MS/MS) combined with I TRAQ reagent was used to analyze the differential expression of protein, and further bioinformatics analysis was performed. There were 409 protein molecules with significant differences (more than 1.5 times or less than 0.67 times) in the 6 month and 2 year recurrence groups, and 518 protein molecules with significant differences in the 6-12 and 2 year recurrence groups. In this study, we further screened the differences that varied with the recurrence time. 10 different proteins, up regulated by S100A9, MPO, APOA4, TMEM97, NR5A2, and down regulated DHRS2, TTC4, CHD2, HPD, and FTCD.GO analysis showed that the differentially expressed protein related genes were involved in steroid metabolism, redox and protein metabolism.IPA analysis. Conclusion the iTRAQ tagged quantitative proteomics technology provides a good platform for the screening of significant biomarkers in the process of recurrence of hepatocellular carcinoma. The bioinformatics research method further understands the function of differentially expressed proteins and its regulatory network. The differential protein expression in third parts of the recurrence of giant hepatocellular carcinoma (HCC) after radical resection aims to verify the selected proteins from m RNA and protein levels and to screen the differential proteins associated with the recurrence of hepatocellular carcinoma. Methods such as four proteins, such as S100A9, DHRS2, TMEM97 and NR5A2, were further verified. Fluorescence quantitative PCR (Q-PCR) and Western blot (Western blot) were tested for human fresh liver cancer tissue specimens. The paraffin section specimens of hepatoma cancer patients with different recurrence time were verified by immunohistochemistry. Results the results of Q-PCR and Western blot showed that the high expression of TMEM97 was a risk factor for postoperative recurrence. The immunohistochemical verification results showed that TMEM97 high expression (P=0.005, HR1.534), preoperative high serum AFP (0.003,1.595), tumor multiple (0.000,2.422), tumor diameter (0.018,1.042), naked eye cancer thrombus (0.002,1.776), MVI (0.019,1.504), incomplete capsule (0.004,0.595), and intraoperative blood transfusion (0.028,1.590) as an independent risk factor for postoperative recurrence The expression is consistent with the proteomics results. TMEM97 may be used as a warning protein for recurrence after radical resection of hepatocellular carcinoma.
【學(xué)位授予單位】:福建醫(yī)科大學(xué)
【學(xué)位級(jí)別】:博士
【學(xué)位授予年份】:2015
【分類號(hào)】:R735.7
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