中国组织工程研究 ›› 2017, Vol. 21 ›› Issue (9): 1329-1333.doi: 10.3969/j.issn.2095-4344.2017.09.004

• 肿瘤干细胞 cancer stem cells • 上一篇    下一篇

结直肠癌组织中CD44+/SOX2+肿瘤干细胞的分布及形态特征

袁  杭1,2,刘  斌1,2,3,4,铁娅滕1,2,孙亚敏1,4,辛  晴1,4,苏勤军1,李双明1   

  1. 1解放军兰州军区兰州总医院病理科,甘肃省兰州市  730050;2兰州大学基础医学院病理研究所,甘肃省兰州市  730030;3甘肃省干细胞与基因药物重点实验室,甘肃省兰州市  730050;4甘肃中医药大学基础医学院,甘肃省兰州市  730000
  • 出版日期:2017-03-28 发布日期:2017-03-31
  • 通讯作者: 刘斌,主任医师,教授,硕士生导师,解放军兰州军区兰州总医院病理科,甘肃省兰州市730050;兰州大学基础医学院病理研究所,甘肃省兰州市 730030;甘肃省干细胞与基因药物重点实验室,甘肃省兰州市730050;甘肃中医药大学基础医学院,甘肃省兰州市 730000
  • 作者简介:袁杭,女,1990年生,湖北省黄冈市英山县人,汉族,兰州大学在读硕士,主要从事肿瘤病理的研究。

Distribution and morphological characteristics of CD44+/SOX2+ cancer stem cells in colorectal carcinoma

Yuan Hang1, 2, Liu Bin1, 2, 3, 4, Tie Ya-teng1, 2, Sun Ya-min1, 4, Xin Qing1, 4, Su Qin-jun1, Li Shuang-ming1   

  1. 1Department of Pathology, Lanzhou General Hospital of Lanzhou Military Command, Lanzhou 730050, Gansu Province, China; 2Institute of Pathology, Basic Medical College, Lanzhou University, Lanzhou 730030, Gansu Province, China; 3Experimental Center of Medicine, Key Laboratory of Stem Cells and Gene Drug of Gansu Province, Lanzhou 730050, Gansu Province, China; 4Basic Medical College, Gansu University of Chinese Medicine, Lanzhou 730000, Gansu Province, China
  • Online:2017-03-28 Published:2017-03-31
  • Contact: Liu Bin, Chief physician, Professor, Master’s supervisor, Department of Pathology, Lanzhou General Hospital of Lanzhou Military Command, Lanzhou 730050, Gansu Province, China; Institute of Pathology, Basic Medical College, Lanzhou University, Lanzhou 730030, Gansu Province, China; Experimental Center of Medicine, Key Laboratory of Stem Cells and Gene Drug of Gansu Province, Lanzhou 730050, Gansu Province, China; Basic Medical College, Gansu University of Chinese Medicine, Lanzhou 730000, Gansu Province, China
  • About author:Yuan Hang, Studying for master’s degree, Department of Pathology, Lanzhou General Hospital of Lanzhou Military Command, Lanzhou 730050, Gansu Province, China; Institute of Pathology, Basic Medical College, Lanzhou University, Lanzhou 730030, Gansu Province, China

摘要:

文章快速阅读:

文题释义:
靶向治疗:
传统的药物治疗,即化疗,经常不能准确瞄准靶点,就像集束炸弹,在杀伤癌细胞的同时,也能损伤正常组织,并引起较严重的不良反应。靶向治疗如同精确制导导弹,能选择性杀灭癌细胞,对正常组织破坏较小,具有针对性强、不良反应少、疗效好等特点。
预后:是预测疾病的可能病程和结局。从疾病演进过程的角度划分,预后的量度包括治愈率、生存率、病死率等。结直肠癌的预后一般与年龄、性别、部位、病理分级、临床分期、转移等因素有关。

 

摘要
背景:CD44是常用的结直肠癌肿瘤干细胞标志物,近年来发现转录因子SOX2是潜在的结直肠癌肿瘤干细胞标志物。
目的:观察CD44+/SOX2+细胞在结直肠癌组织中的数量、分布及形态特征,探讨CD44+/SOX2+是否可作为结直肠癌肿瘤干细胞标志物。
方法:运用免疫组织化学双重染色方法观察10例正常肠黏膜、20例结直肠腺瘤及88例癌组织标本中CD44+/SOX2+细胞的数量、分布规律;苏木精-伊红染色观察结直肠癌组织中CD44+/SOX2+细胞的形态特征。

结果与结论:①正常肠黏膜中未见到CD44+/SOX2+细胞,结直肠腺瘤组织中可见极少量CD44+/SOX2+细胞,结直肠癌中可见少量CD44+/SOX2+细胞;②CD44+/SOX2+细胞在高、中分化腺癌中呈小灶性或点状散在分布于隐窝基底部或共壁腺管侧,在低分化腺癌中呈小灶性或点状散在分布于其他癌细胞中;③在苏木精-伊红染色切片中CD44+/SOX2+细胞体积小,呈圆形、椭圆形结构,胞浆少,核大,核仁明显,核分裂象少见;④CD44+/SOX2+的表达与结直肠癌患者年龄、性别、部位及浸润深度均无相关性,与分化程度呈负相关,与TNM分期、远处转移均呈正相关;⑤结果提示,CD44+/SOX2+细胞的分布、形态特征等符合肿瘤干细胞特性,CD44+/SOX2+可能是结直肠癌肿瘤干细胞标志物。

 

中国组织工程研究杂志出版内容重点:干细胞;骨髓干细胞;造血干细胞;脂肪干细胞;肿瘤干细胞;胚胎干细胞;脐带脐血干细胞;干细胞诱导;干细胞分化;组织工程
ORCID:0000-0001-9807-7580(袁杭)

关键词: 干细胞, 肿瘤干细胞, 结直肠癌, CD44, SOX2, 组织芯片, 免疫组织化学双重染色

Abstract:

 

BACKGROUND: CD44 is commonly used as a marker of colorectal cancer stem cells. In recent years, it is found that transcription factor SOX2 is a potential marker of colorectal cancer stem cells.
OBJECTIVE: To observe the number, distribution and morphological characteristics of CD44+/SOX2+ cells in colorectal cancer, and to explore whether CD44+/SOX2+ is a marker of colorectal cancer stem cells.
METHODS: Immunehistochemical double staining method was used to observe the number and distribution of CD44+/SOX2+ cells in 10 cases of normal intestinal mucosa, 20 cases of colorectal adenoma and 88 cases of cancer tissue specimens. Hematoxylin-eosin staining was used to observe the morphological characteristics of CD44+/SOX2+ cells in colorectal cancer tissues.
RESULTS AND CONCLUSION: Immunehistochemical double staining showed that: there were no CD44+/SOX2+ cells in normal intestinal mucosa, a very small amount of CD44+/SOX2+ cells in colorectal adenoma, and a small amount of CD44+/SOX2+ cells in colorectal carcinoma. The CD44+/SOX2+ cells in highly and moderately differentiated adenocarcinoma were scattered or distributed focally in the basal part of crypt or along the co-walled gland. In poorly differentiated adenocarcinoma, they were scattered or distributed focally in other cancer cells. Hematoxylin-eosin staining showed that the CD44+/SOX2+ cells were small, round or oval structure , with less cytoplasm, large nuclear, obvious nucleolus, and the mitotic phenomenon was rarely seen. There was no correlation between the expression of CD44+/SOX2+ and age, gender, location, depth of invasion in colorectal cancer patients; there was a negative correlation with differentiation and a positive correlation with TNM staging, distant metastasis. To conclude, CD44+/SOX2+ cells are in line with the characteristics of tumor stem cells in terms of distribution and morphology character, and CD44+/SOX2+ may be a marker of colorectal cancer stem cells.

 

 

中国组织工程研究杂志出版内容重点:干细胞;骨髓干细胞;造血干细胞;脂肪干细胞;肿瘤干细胞;胚胎干细胞;脐带脐血干细胞;干细胞诱导;干细胞分化;组织工程

Key words: Colorectal Neoplasms, Neoplastic Stem Cells, Antigens, CD44, SOX Transcription Factors, Tissue Engineering

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