Lectin Histochemistry for Metastasizing and Non-metastasizing Cancer Cells.

Lectin Histochemistry for Metastasizing and Non-metastasizing Cancer Cells.
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转移和非转移癌细胞的凝集素组织化学

DOI:
10.1007/978-1-4939-6788-9_8
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发表时间:
2017
影响因子:
--
通讯作者:
Schumacher U
Schumacher U
中科院分区:
--
文献类型:
--
作者:
Wolters-Eisfeld G;Schumacher U

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癌细胞糖萼的糖基化变化是转移性癌症的标志,并且对远处转移有重要贡献。在这一章中,我们集中在两个凝集素能够特异性结合肿瘤相关的聚糖在低温恒温器或福尔马林固定,石蜡包埋的组织切片来自主要的临床材料,基因工程小鼠模型与内源性癌症形成或异种移植小鼠模型。蜗牛凝集素结合N-乙酰半乳糖胺(GalNAc),后者在几种人类腺癌的原发性肿瘤和转移瘤中表达为Tn抗原(O-连接GalNAc)。另一种凝集素,菜豆白细胞凝集素(PHA-L)结合与乳腺癌、结肠癌和前列腺癌转移潜能增加相关的复杂β1-6分支N-连接寡糖。使用这两种凝集素,可以监测癌细胞糖萼中的O-和N-连接的改变。由于它们以生物素化或荧光标记的形式市售,因此它们可以容易地用于癌症转移研究。
Changes in glycosylation of the cancer cell glycocalyx are a hallmark of metastasizing cancers and critically contribute to distant metastasis. In this chapter we concentrate on two lectins capable of specifically binding tumor-associated glycans in cryostat or formalin-fixed, paraffin-embedded tissue sections derived from primary clinical material, genetically engineered mouse models with endogenous cancer formation or xenograft mouse models. The snail lectin ofHelix pomatia(HPA) binds N-acetylgalactosamine (GalNAc) that is expressed among others as Tn antigen (O-linked GalNAc) in primary tumors and metastases in several human adenocarcinomas. Another lectin,Phaseolus vulgarisleucoagglutinin (PHA-L) binds to complex β1-6 branched N-linked oligosaccharides associated with increased metastatic potential in breast, colon, and prostate cancer. Using these two lectins both O- and N-linked alterations in the glycocalyx of cancer cells can be monitored. As they are commercially available in a biotinylated or fluorescence-labeled form they can be readily used in cancer metastasis studies.
原发性乳腺癌转移灶中 N-乙酰半乳糖胺化和唾液酸化聚糖的表达
DOI: 10.1159/000024504
发表时间: 1999
期刊: Invasion and Metastasis
影响因子: --
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发表时间: 1997-09-01
期刊: HISTOCHEMICAL JOURNAL
影响因子: --
作者:
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通讯作者: Adam, E
凝集素结合对乳腺癌复发和生存的预测价值
DOI: 10.1016/s0140-6736(87)90482-x
发表时间: 1987
期刊: The Lancet
影响因子: --
作者:
A. Leathem;S. Brooks
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