Identification of serum biomarkers for colon cancer by proteomic analysis.

Identification of serum biomarkers for colon cancer by proteomic analysis.
复制标题

DOI:
10.1038/sj.bjc.6603188
复制
发表时间:
2006-06-19
影响因子:
8.8
通讯作者:
--
中科院分区:
医学1区
文献类型:
--
作者:

文献摘要

参考文献

被引文献

相似文献

结直肠癌(CRC)通常在晚期被诊断出,伴随着不良预后。早期检测大大改善预后;然而,目前的诊断程序的侵入性,不愉快和不方便的性质限制了它们的适用性。目前没有血清检测具有足够的灵敏度或特异性,可广泛使用。在目前最好的血液检测中,癌胚抗原的敏感性和特异性较低,特别是在早期疾病的情况下。因此,非常需要用于早期检测CRC的新生物标志物。我们使用表面增强激光解吸/电离(SELDI)研究了62例CRC患者和31例非癌症受试者的血清蛋白质组。我们已经鉴定出具有诊断潜力的蛋白质(补体C3 a des-arg、α1-抗胰蛋白酶和转铁蛋白)。人工神经网络仅使用对应于所识别蛋白质的SELDI峰的强度进行训练,能够以95%的灵敏度和91%的特异性对本研究中使用的患者进行分类。
Colorectal cancer (CRC) is often diagnosed at a late stage with concomitant poor prognosis. Early detection greatly improves prognosis; however, the invasive, unpleasant and inconvenient nature of current diagnostic procedures limits their applicability. No serum-based test is currently of sufficient sensitivity or specificity for widespread use. In the best currently available blood test, carcinoembryonic antigen exhibits low sensitivity and specificity particularly in the setting of early disease. Hence, there is great need for new biomarkers for early detection of CRC. We have used surface-enhanced laser desorbtion/ionisation (SELDI) to investigate the serum proteome of 62 CRC patients and 31 noncancer subjects. We have identified proteins (complement C3a des-arg, α1-antitrypsin and transferrin) with diagnostic potential. Artificial neural networks trained using only the intensities of the SELDI peaks corresponding to identified proteins were able to classify the patients used in this study with 95% sensitivity and 91% specificity.
DOI: 10.1093/jnci/84.20.1572
发表时间: 1992-10-21
影响因子: 10.3
作者:
NEWCOMB, PA;NORFLEET, RG;MARCUS, PM
通讯作者: MARCUS, PM
DOI: 10.1073/pnas.2033602100
发表时间: 2003-10-14
影响因子: 11.1
作者:
Kozak, KR;Amneus, MW;Farias-Eisner, R
通讯作者: Farias-Eisner, R
DOI: 10.7326/0003-4819-123-12-199512150-00002
发表时间: 1995-12-15
影响因子: 39.2
作者:
MULLER, AD;SONNENBERG, A
通讯作者: SONNENBERG, A
DOI: 10.1053/gast.2000.19580
发表时间: 2000-11-01
期刊: GASTROENTEROLOGY
影响因子: 29.4
作者:
Ahlquist, DA;Skoletsky, JE;Shuber, AP
通讯作者: Shuber, AP
DOI: 10.1093/jnci/93.11.858
发表时间: 2001-06-06
期刊: JOURNAL OF THE NATIONAL CANCER INSTITUTE
影响因子: --
作者:
Dong, SM;Traverso, G;Jen, J
通讯作者: Jen, J