目的 通過研究p53、K-ras及APC在大腸癌組織及糞便中的突變情況,探討糞便多基因聯(lián)合檢測進行大腸癌二級篩查的可行性。
方法 應(yīng)用聚合酶鏈反應(yīng)-單鏈構(gòu)象多態(tài)性(PCR-SSCP)分析及硝酸銀染色法,檢測40例大腸癌患者的腫瘤組織與糞便及40例正常人腸黏膜組織與糞便中p53、K-ras及APC 3種基因的突變情況,并比較多個基因聯(lián)合檢測與單基因檢測基因突變率的靈敏性之間的差異。
結(jié)果 ?、?0例大腸癌組織中p53、K-ras及APC基因突變率分別為57.50%、50.00%及60.00%,糞便中相應(yīng)的基因突變率分別為42.86%、40.00%及51.43%,糞便基因突變與組織中相應(yīng)基因突變的符合率分別為65.22%、70.00%及75.00%。40例正常腸黏膜組織及糞便中3種基因均未檢出突變; ②3種基因聯(lián)合檢測的突變率明顯高于單基因檢測(P<0.05); ③糞便基因聯(lián)合檢測與糞便隱血試驗比較,靈敏性之間差異無統(tǒng)計學意義,但前者的特異性明顯高于后者(P<0.05)。
結(jié)論 糞便基因聯(lián)合檢測診斷大腸癌的靈敏性及特異性均較高,有望作為一種無創(chuàng)、特異、有效的篩查手段,與糞便隱血試驗結(jié)合序貫進行大腸癌的篩查。
引用本文: 秦高平,王小強,閆立昆,宋勇. 聯(lián)合檢測糞便中多基因突變進行大腸癌二級篩查的研究. 中國普外基礎(chǔ)與臨床雜志, 2007, 14(6): 639-643. doi: 復(fù)制
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- 1. Price AS. Primary and secondary prevention of colorectal cancer [J]. Gastroenterol Nurs, 2003; 26(2)∶73.
- 2. 賀立績, 王桂芳, 黃瑞德, 等. 1990 年-1992 年山西陽城居民惡性腫瘤死亡情況分析 [J]. 腫瘤研究與臨床, 2000; 12(6)∶430.
- 3. 陳建順, 陳禮慈, 游建旺, 等. 長樂市中年人惡性腫瘤死亡分析 [J]. 中國腫瘤, 2001; 10(9)∶514.
- 4. 林金榮, 林鴻, 周殿元, 等. 應(yīng)用銀染PCR-SSCP檢測結(jié)、直腸癌組織及糞便抑癌基因點突變 [J]. 中華流行病雜志, 1998,19(5)∶B326.
- 5. Nollau P, Moser C, Weinland G, et al. Detection of K-ras mutations in stools of patients with colorectal cancer by mutant-enriched PCR [J]. Int J Cancer, 1996; 66(3)∶332.
- 6. Jais P, Kapel N, Chosidow D, et al. Detection of protein p53 in the stool of patients with colorectal cancer [J]. Gastroenterol Clin Biol, 1997; 21(10)∶754.
- 7. Hasegawa H, Ueda M, Furukawa K, et al. p53 gene mutations in early colorectal carcinoma. De novo vs. adenoma-carcinoma sequence [J]. Int J Cancer, 1995; 64(1)∶47.
- 8. 胡成平, 鄭智遠, 楊紅忠, 等. 癌性胸腔積液K-ras基因突變檢測及臨床應(yīng)用 [J]. 中國現(xiàn)代醫(yī)學雜志, 1999; 9(11)∶5.
- 9. Strul H, Arber N. Fecal occult blood test for colorectal cancer screening [J]. Ann Oncol, 2002; 13(1)∶51.
- 10. Cooper GS, Yuan Z, Veri L, et al. Colorectal carcinoma sc-reening attitudes and practices among primary care physicians in counties at extremes of either high or low cancer case-fatality [J]. Cancer, 1999; 86(9)∶1669.
- 11. Ahlquist DA. Fecal occult blood testing for colorectal cancer. Can we afford to do this? [J]. Gastroenterol Clin North Am, 1997; 26(1)∶41.
- 12. Sidransky D, Tokino T, Hamilton SR, et al. Identification of ras oncogene mutations in the stool of patients with curable colorectal tumors [J]. Science, 1992; 256(5053)∶102.
- 13. Ratto C, Flamini G, Sofo L, et al. Detection of oncogene mutation from neoplastic colonic cells exfoliated in feces [J]. Dis Colon Rectum, 1996; 39(11)∶1238.
- 14. 范如英, 李世榮, 吳霞, 等. 糞便大腸癌脫落細胞形態(tài)學觀察、 DNA定量及p53蛋白表達的初步研究 [J]. 中華消化雜志, 2000; 20(4)∶269.
- 15. Nollau P, Moser C, Weinland G, et al. Detection of K-ras mutations in stools of patients with colorectal cancer by mutant-enriched PCR [J]. Int J Cancer, 1996; 66(3)∶332.
- 16. 倪升發(fā). K-ras基因與大腸癌關(guān)系的研究進展 [J]. 醫(yī)學綜述, 2006; 12(1)∶15.
- 17. 徐亮, 盧光宇. 大腸癌ras p21表達和DNA含量定量分析 [J]. 中國普外基礎(chǔ)與臨床雜志, 1998; 5(1)∶4.
- 18. 高楓, 唐衛(wèi)中, 李衛(wèi). 中國人散發(fā)性大腸癌K-ras基因突變的研究 [J]. 中華實驗外科雜志, 2005; 22(1)∶65.
- 19. Beranek M, Bures J, Palicka V, et al. A relationship between K-ras gene mutations and some clinical and histologic variables in patients with primary colorectal carcinoma [J]. Clin Chem Lab Med, 1999; 37(7)∶723.
- 20. 王一理, 王劍利, 李琳琳. 癌基因·抑癌基因·腫瘤相關(guān)基因 [A]. 見: 司履生主編. 癌基因 抑癌基因 腫瘤相關(guān)基因 [M]. 第1版. 西安: 陜西科學技術(shù)出版社, 2002∶63.