高等学校化学学报 ›› 2013, Vol. 34 ›› Issue (10): 2279.doi: 10.7503/cjcu20130528

• 分析化学 • 上一篇    下一篇

甲状腺癌微转移淋巴结的红外光谱检测

刘亚奇1,2, 桑畅野3, 徐怡庄4, 徐智1, 周孝思1, 凌晓锋1   

  1. 1. 北京大学第三医院普通外科, 北京 100191;
    2. 北京积水潭医院普通外科, 北京 100035;
    3. 北京市延庆医院普通外科, 北京 102100;
    4. 北京大学化学与分子工程学院, 北京 100871
  • 收稿日期:2013-06-05 出版日期:2013-10-10 发布日期:2013-10-10
  • 作者简介:凌晓锋,男,博士,教授,博士生导师,主要从事恶性肿瘤的原位在体诊断研究.E-mail:xiaofengling@bjmu.edu.cn
  • 基金资助:

    北京市自然科学基金(批准号:2122059)资助.

Detection of Micro-metastatic Lymph Node in Thyroid Cancer by Fourier Transform Infrared Spectroscopy

LIU Ya-Qi1,2, SANG Chang-Ye3, XU Yi-Zhuang4, XU Zhi1, ZHOU Xiao-Si1, LING Xiao-Feng1   

  1. 1. Department of General Surgery, Third Hospital of Peking University, Beijing 100191, China;
    2. Department of General Surgery, Beijing Jishuitan Hospital, Beijing 100035, China;
    3. Department of General Surgery, Beijing Yanqing Hospital, Beijing 102100, China;
    4. College of Chemistry Molecular Engineering, Peking University, Beijing 100871, China
  • Received:2013-06-05 Online:2013-10-10 Published:2013-10-10

摘要:

采用衰减全反射(ATR)探头和傅里叶变换红外光谱(FTIR)仪测定了新鲜离体的甲状腺癌微转移颈部淋巴结(16枚)和非转移性淋巴结(16枚)的FTIR光谱, 配对比较了两组光谱13个谱带的峰位、相对峰强及半高宽等38个FTIR参数, 明确了甲状腺癌微转移淋巴结的光谱特征.结果表明, 与非转移性淋巴结相比, 微转移淋巴结光谱中与蛋白、脂质、糖类和核酸相关的谱带均发生了明显变化:与蛋白质相关的谱带的相对峰强I3280/I1460I1640/I1460显著升高, 半高宽F1640显著增宽, 而F1546则变窄; 与脂类相关的相对峰强I1400/I1460明显增高; 与糖类相关的1165 cm-1处谱带的相对峰强I1165/I1460显著降低; 与核酸相关的1240 cm-1处谱带的相对峰强I1240/I1460显著升高.结果表明, FTIR能够检测出甲状腺癌的微转移淋巴结, 可能应用于甲状腺癌病人的精准手术治疗.

关键词: 甲状腺癌, 微转移, 淋巴结, 红外光谱

Abstract:

Sixteen non-and micro-metastatic freshly removed lymph nodes were measured by Fourier transform infrared spectrometor(FTIR) equipped with attenuated total reflectance(ATR) probe. For each spectrum, 38 variables of 13 bands including peak positions, relative intensities and full width at half maximum(FWHM) were compared between the two groups. The results indicated that the FTIR spectra of micro-metastatic lymph nodes were significantly different from non-metastatic in the bands related to protein, lipid, carbohydrate and nucleic acid. The relative intensity ratios of I3280/I1460, I1640/I1460 that related to protein increased significantly; the FWHM of F1640 increased, on the contrary, F1546 decreased significantly. The relative intensity ratios of I1400/I1460 that related to lipid increased significantly. The relative intensity ratio of I1165/I1460 that related to carbohydrate decreased significantly. The relative intensity ratio of I1240/I1460 that related to nucleic acid increased significantly. FTIR spectroscopy could be a potential powerful approach formicro-metastatic lymph nodes detection during the operation of thyroid cancer.

Key words: Thyroid cancer, Micro-metastatic, Lymph node, Fourier transform infrared spectroscopy

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