WO2023284789A1 - Molecular marker group of human esophageal squamous cell carcinoma and application of molecular marker group - Google Patents
Molecular marker group of human esophageal squamous cell carcinoma and application of molecular marker group Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
- C12N15/09—Recombinant DNA-technology
- C12N15/11—DNA or RNA fragments; Modified forms thereof; Non-coding nucleic acids having a biological activity
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/68—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving nucleic acids
- C12Q1/6876—Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes
- C12Q1/6883—Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes for diseases caused by alterations of genetic material
- C12Q1/6886—Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes for diseases caused by alterations of genetic material for cancer
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- C12Q2600/00—Oligonucleotides characterized by their use
- C12Q2600/112—Disease subtyping, staging or classification
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- C12Q2600/00—Oligonucleotides characterized by their use
- C12Q2600/156—Polymorphic or mutational markers
Definitions
- the invention belongs to the technical field of medicine and biology, and specifically relates to a molecular marker group of human esophageal squamous cell carcinoma and its application.
- Esophageal cancer is a serious and rapidly progressive neoplastic disease. As of 2018, it is one of the tumors with the highest mortality rate (509,000 cases per year) and highest incidence rate (572,000 new cases per year) in the world (Bray et al., 2018). Global morbidity and mortality from EC are projected to continue to increase in the coming decades (Bray et al., 2018; Malhotra et al., 2017). The highest prevalence of EC occurs in Asia and Africa, where the most common subtype is esophageal squamous cell carcinoma (ESCC), while adenocarcinoma is more common in North America and Western Europe (Bray et al, 2018).
- ESCC esophageal squamous cell carcinoma
- the present invention firstly relates to the application of a group of molecular markers in the preparation of diagnostic kits, characterized in that,
- the diagnostic kit divides esophageal squamous cell carcinoma (ESCC) into four molecular types: differentiated, immunogenic, metabolic, and stemness;
- Metabolic high expression of GSTA1, ADH7, UGT1A3 and ALDH3A1;
- the present invention also relates to the application of a group of molecular markers in the preparation of diagnostic kits, characterized in that,
- the diagnostic kit is used to identify poor prognosis and/or drug-insensitive subtypes of esophageal squamous cell carcinoma (ESCC);
- the molecular markers are: NK cell surface markers or stem cell markers;
- the molecular marker is any combination of the following genes: XCL1, XCL2, CD160 and LGR6;
- the identification is: detecting the high expression of the molecular marker.
- the present invention also relates to a detection kit for identifying the stemness subtype of esophageal squamous cell carcinoma (ESCC), the kit includes detection of gene expression levels of WFDC2, SFRP1, LGR6, VWA2 and XCL1 Reagent, described detection reagent is preferably qRT-PCR, and the primers of each gene are respectively:
- SEQ ID NO.1 Upstream primer: 5'-CTGCCCAATGATAAGGAGGGT-3'
- SEQ ID NO.2 Downstream primer: 5'-TTGCGGCAGCATTTCATCTG-3'
- SEQ ID NO.3 Upstream primer: 5'-CTGCACACTGTCCCCTTCTACA-3'
- SEQ ID NO.4 Downstream primer: 5'-GGTAGCCGTCCAGTCCTTCT-3'
- SEQ ID NO.5 Upstream primer: 5'-TGGCCCGAGATGCTTAAGTG-3'
- SEQ ID NO.6 Downstream primer: 5'-CCTCAGTGCAAACTCGCTGG-3'
- SEQ ID NO.7 Upstream primer: 5'-TGGGAAGACCAAGGTTGACAC-3'
- SEQ ID NO.8 Downstream primer: 5'-AGAGACGCAGCTCCTCCAA-3'
- SEQ ID NO.9 Upstream primer: 5'-TGCTCTCTCACTGCATACATTG-3'
- SEQ ID NO.10 Downstream primer: 5'-TGGTGTAGGTCTTGATTCTGCT-3'.
- the present invention also relates to a medicine for treating esophageal squamous cell carcinoma (ESCC),
- ESCC esophageal squamous cell carcinoma
- ESCC esophageal squamous cell carcinoma
- the drug is a drug that blocks XCL1, XCL2, and CD160; preferably, the drug is LCL-161, and its structure is shown in the following formula:
- the medicine also includes: necessary pharmaceutical excipients.
- the beneficial effect of the present invention is that,
- each typed sample has different cytological characteristics
- NK cell marker genes such as XCL1, XCL2 and CD160 and the representative gene LGR6 of cell stem type showed a significant positive correlation
- the median value of XCL1 expression can divide esophageal squamous cell lines into two categories;
- Example 1 Whole-transcriptome analysis and typing, prognosis analysis and verification of esophageal squamous cell carcinoma (ESCC)
- the gene quantitative data of each sample was combined into a matrix, and only the 1,500 genes with the largest average absolute deviation among individuals were retained, and non-negative matrix factorization (NMF) cluster analysis was performed.
- NMF non-negative matrix factorization
- the optimal cluster analysis results were determined by the maximum state Correlation coefficients and validation conditions in the three datasets were determined.
- the selection of characteristic genes compares the current typing with other samples, and uses limma software for differential gene analysis to find out highly expressed genes in the typing, requiring the multiple of difference to be more than 1.
- Gene enrichment analysis was performed on the differential genes of each subtype to obtain the most relevant (p ⁇ 0.001) gene set for the subtype.
- Immunogenic, representative genes are MS4A1, CD79A, CXCL9, MZB1 and IDO1, etc.;
- Metabolic, representative genes are GSTA1, ADH7, UGT1A3 and ALDH3A1, etc.;
- HE Hematoxylin-eosin
- XCL1 and XCL2 are the marker genes of NK cells.
- Wilcox rank-sum test Wilcoxon Rank-sum test
- LGR6 is the representative gene of the cell stem type determined in Example 1.
- NK cell marker genes such as XCL1, XCL2, and CD160
- LGR6 of cell stem type showed a significant positive correlation.
- CD160 has a certain expression distribution in immune cells and tumor cells.
- RNA-seq gene expression data of 22 cell lines of esophageal squamous cell carcinoma were downloaded from the CCLE database, and the expression levels of XCL1 were grouped according to the median value for differential gene analysis, and the expression levels of the stem-type esophageal squamous cell carcinoma markers LGR6 and XCL1 were analyzed Perform correlation analysis.
- the specific experimental process is as follows:
- MTS and PMS form a stable solution within the reaction time, and read the OD value of each well at a wavelength of 490 nm with a microplate reader;
- the overexpression cell line construction process is as follows:
Abstract
Provided are a molecular marker group of a human esophageal squamous cell carcinoma and an application of the molecular marker group. The molecular marker group is: a molecular marker group for the esophageal squamous cell carcinoma to be divided into a differentiated type, an immunogenic type, a metabolic type, and a stemness type: the differentiated type: LCE3D, CDSN, KLK5, SPRR2G, and DSG1; the immunogenic type: MS4A1, CD79A, CXCL9, MZB1, and IDO1; the metabolic type: GSTA1, ADH7, UGT1A3, and ALDH3A1; and the stemness type: WFDC2, PEG10, SFRP1, LGR6, and VWA2; and an NK cell surface molecular marker group for the esophageal squamous cell carcinoma to be divided into poor prognosis and drug insensitive subtypes.
Description
本发明属于医药生物技术领域,具体的,涉及一种人食管鳞状细胞癌的分子标记物组及其应用。The invention belongs to the technical field of medicine and biology, and specifically relates to a molecular marker group of human esophageal squamous cell carcinoma and its application.
食管癌(EC)是一种严重和进展较快的肿瘤疾病,距2018年统计,是全球最高的死亡率(每年509,000例)和发病率(每年572,000例新病例)最高的肿瘤之一(Bray等,2018年)。预计未来几十年,EC的全球发病率和死亡率将持续增加(Bray等,2018年;Malhotra等,2017年)。EC的患病率最高发生在亚洲和非洲,其中最常见的亚型是食管鳞状细胞癌(ESCC),而腺癌在北美和西欧更为常见(Bray等,2018)。Esophageal cancer (EC) is a serious and rapidly progressive neoplastic disease. As of 2018, it is one of the tumors with the highest mortality rate (509,000 cases per year) and highest incidence rate (572,000 new cases per year) in the world (Bray et al., 2018). Global morbidity and mortality from EC are projected to continue to increase in the coming decades (Bray et al., 2018; Malhotra et al., 2017). The highest prevalence of EC occurs in Asia and Africa, where the most common subtype is esophageal squamous cell carcinoma (ESCC), while adenocarcinoma is more common in North America and Western Europe (Bray et al, 2018).
尽管在治疗选择方面取得了一定进展,包括新型靶向疗法和癌症免疫疗法,但ESCC的预后仍然很差,五年生存率<15%(Abnet等,2018年;Smyth等,2017年)。ESCC治疗面临的主要挑战是肿瘤细胞的侵润和诊断较晚。因此,研究ESCC的分子特征,以确定早期诊断的生物标志物和影响疾病预后的关键分子标记对于早期干预和改进治疗策略至关重要。Despite some progress in treatment options, including novel targeted therapies and cancer immunotherapies, the prognosis of ESCC remains poor, with a five-year survival rate of <15% (Abnet et al., 2018; Smyth et al., 2017). The main challenge in ESCC treatment is the invasion and late diagnosis of tumor cells. Therefore, studying the molecular characteristics of ESCC to identify biomarkers for early diagnosis and key molecular markers affecting disease prognosis is crucial for early intervention and improved treatment strategies.
几项主要的国际研究在识别ESCC的分子景观和理解分子机制方面取得了重要进展(Cui等,2020;Frankell等,2019;Sawada等,2016;Song等,2014;Wu等,2014年;严等,2019年)。他们强调了RTK/RAS/PI3K和WNT/Notch通路的常见失调、细胞周期调节、TP53、FAT1、NOTCH1、KMT2D、NFE2L2和ZNF750等频繁突变基因,以及ESCC的表观遗传改变(Cao等,2020)。然而,与ESCC异质行为相关的遗传事件仍然知之甚少,导致临床方案的选择上,缺乏用于预测预后或设计有效的靶向治疗方案的可靠生物标志物。此外,ESCC的精确免疫逃逸机制尚未完全揭示,并且没有有效的免疫治疗方案可用于ESCC,即使在不久的将来免疫治疗药物将被纳入ESCC的标准全身治疗选择中(Kojima等,2020)。Several major international studies have made important progress in identifying the molecular landscape of ESCC and understanding the molecular mechanisms (Cui et al., 2020; Frankell et al., 2019; Sawada et al., 2016; Song et al., 2014; Wu et al., 2014; Yan et al. , 2019). They highlighted common dysregulation of RTK/RAS/PI3K and WNT/Notch pathways, cell cycle regulation, frequently mutated genes such as TP53, FAT1, NOTCH1, KMT2D, NFE2L2, and ZNF750, and epigenetic alterations in ESCC (Cao et al., 2020) . However, the genetic events associated with the heterogeneous behavior of ESCC are still poorly understood, resulting in the lack of reliable biomarkers for predicting prognosis or designing effective targeted therapy regimens for clinical regimen selection. Furthermore, the precise immune evasion mechanisms of ESCC have not been fully revealed, and no effective immunotherapy options are available for ESCC, even though immunotherapeutic drugs will be incorporated into standard systemic treatment options for ESCC in the near future (Kojima et al., 2020).
因此,需要对ESCC进行综合多组学研究以破译分子和免疫异质性,以彻底了解疾病的发病机制,发现与食管癌预后密切相关的分子变化,尤其是对于来自ESCC发病率最高的地区的患者。Therefore, comprehensive multi-omics studies of ESCC are needed to decipher the molecular and immune heterogeneity to thoroughly understand the pathogenesis of the disease and to discover molecular changes that are strongly associated with the prognosis of esophageal cancer, especially for patients from regions with the highest incidence of ESCC. patient.
[参考文献][references]
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发明内容Contents of the invention
本发明首先涉及一组分子标记物在制备诊断试剂盒中的应用,其特征在于,The present invention firstly relates to the application of a group of molecular markers in the preparation of diagnostic kits, characterized in that,
所述的诊断试剂盒将食管鳞状细胞癌(ESCC)分为四个分子分型;分化型((Differentiated)、免疫型(immunogenic)、代谢型(metabolic)、细胞干型(stemness);The diagnostic kit divides esophageal squamous cell carcinoma (ESCC) into four molecular types: differentiated, immunogenic, metabolic, and stemness;
所述的分子标记物及其与所述的ESCC的分子分型的关系为:The relationship between the molecular markers and the molecular typing of the ESCC is as follows:
分化型(Differentiated):LCE3D、CDSN、KLK5、SPRR2G和DSG1高表达;Differentiated: High expression of LCE3D, CDSN, KLK5, SPRR2G and DSG1;
免疫型(immunogenic):MS4A1、CD79A、CXCL9、MZB1和IDO1高表达;Immunogenic: high expression of MS4A1, CD79A, CXCL9, MZB1 and IDO1;
代谢型(metabolic):GSTA1、ADH7、UGT1A3和ALDH3A1高表达;Metabolic: high expression of GSTA1, ADH7, UGT1A3 and ALDH3A1;
细胞干型(stemness):WFDC2、PEG10、SFRP1、LGR6和VWA2高表达。Stemness: High expression of WFDC2, PEG10, SFRP1, LGR6 and VWA2.
本发明还涉及一组分子标记物在制备诊断试剂盒中的应用,其特征在于,The present invention also relates to the application of a group of molecular markers in the preparation of diagnostic kits, characterized in that,
所述的诊断试剂盒用于鉴定食管鳞状细胞癌(ESCC)的不良预后和/或药物不敏感的亚型;The diagnostic kit is used to identify poor prognosis and/or drug-insensitive subtypes of esophageal squamous cell carcinoma (ESCC);
所述的分子标记物为:NK细胞表面标记物或及干细胞标记物;The molecular markers are: NK cell surface markers or stem cell markers;
优选的,所述的分子标记物为如下基因的任意组合:XCL1、XCL2、CD160和LGR6;Preferably, the molecular marker is any combination of the following genes: XCL1, XCL2, CD160 and LGR6;
所述的鉴定为:检测所述的分子标记物高表达。The identification is: detecting the high expression of the molecular marker.
本发明还涉及一种鉴定食管鳞状细胞癌(ESCC)的细胞干型(stemness)亚型的检测试剂盒,所述的试剂盒包括检测WFDC2、SFRP1、LGR6、VWA2和XCL1基因表达量的检测试剂,所述的检测试剂优选为qRT-PCR,各基因的引物分别为:The present invention also relates to a detection kit for identifying the stemness subtype of esophageal squamous cell carcinoma (ESCC), the kit includes detection of gene expression levels of WFDC2, SFRP1, LGR6, VWA2 and XCL1 Reagent, described detection reagent is preferably qRT-PCR, and the primers of each gene are respectively:
WFDC2WFDC2
SEQ ID NO.1:上游引物:5’-CTGCCCAATGATAAGGAGGGT-3’SEQ ID NO.1: Upstream primer: 5'-CTGCCCAATGATAAGGAGGGT-3'
SEQ ID NO.2:下游引物:5’-TTGCGGCAGCATTTCATCTG-3’SEQ ID NO.2: Downstream primer: 5'-TTGCGGCAGCATTTCATCTG-3'
VWA2VWA2
SEQ ID NO.3:上游引物:5’-CTGCACACTGTCCCTTCTACA-3’SEQ ID NO.3: Upstream primer: 5'-CTGCACACTGTCCCCTTCTACA-3'
SEQ ID NO.4:下游引物:5’-GGTAGCCGTCCAGTCCTTCT-3’SEQ ID NO.4: Downstream primer: 5'-GGTAGCCGTCCAGTCCTTCT-3'
SFRP1SFRP1
SEQ ID NO.5:上游引物:5’-TGGCCCGAGATGCTTAAGTG-3‘SEQ ID NO.5: Upstream primer: 5'-TGGCCCGAGATGCTTAAGTG-3'
SEQ ID NO.6:下游引物:5’-CCTCAGTGCAAACTCGCTGG-3’SEQ ID NO.6: Downstream primer: 5'-CCTCAGTGCAAACTCGCTGG-3'
LGR6LGR6
SEQ ID NO.7:上游引物:5’-TGGGAAGACCAAGGTTGACAC-3’SEQ ID NO.7: Upstream primer: 5'-TGGGAAGACCAAGGTTGACAC-3'
SEQ ID NO.8:下游引物:5’-AGAGAGACGCAGCTCCTCCAA-3’SEQ ID NO.8: Downstream primer: 5'-AGAGAGACGCAGCTCCTCCAA-3'
XCL1XCL1
SEQ ID NO.9:上游引物:5’-TGCTCTCTCACTGCATACATTG-3’SEQ ID NO.9: Upstream primer: 5'-TGCTCTCTCACTGCATACATTG-3'
SEQ ID NO.10:下游引物:5’-TGGTGTAGGTCTTGATTCTGCT-3’。SEQ ID NO.10: Downstream primer: 5'-TGGTGTAGGTCTTGATTCTGCT-3'.
本发明还涉及一种用于治疗食管鳞状细胞癌(ESCC)的药物,The present invention also relates to a medicine for treating esophageal squamous cell carcinoma (ESCC),
所述的食管鳞状细胞癌(ESCC)的亚型为NK细胞表面标记物高表达亚型;The subtype of esophageal squamous cell carcinoma (ESCC) is a subtype with high expression of NK cell surface markers;
所述的药物为封闭XCL1、XCL2、CD160的药物;优选的,所述的药物为LCL-161,其结构如下式所示:The drug is a drug that blocks XCL1, XCL2, and CD160; preferably, the drug is LCL-161, and its structure is shown in the following formula:
优选的,所述的药物还包括:必要的药用辅料。Preferably, the medicine also includes: necessary pharmaceutical excipients.
本发明的有益效果在于,The beneficial effect of the present invention is that,
(1)我们对未经治疗的ESCC患者中匹配正常组织的肿瘤进行了全面的基因组学和深度转录组学分析,这些患者在手术切除后进行了四年以上的随访。(1) We performed a comprehensive genomic and deep transcriptomic analysis of tumors matched to normal tissues in untreated ESCC patients who were followed up for more than four years after surgical resection.
(2)我们探索了转录组亚型和不同的免疫微环境,并发现了新的肿瘤内在免疫逃逸机制。随后合并这些数据以提供一组可靠的预后生物标志物。(2) We explored transcriptome subtypes and distinct immune microenvironments, and discovered novel tumor-intrinsic immune escape mechanisms. These data were subsequently combined to provide a robust set of prognostic biomarkers.
(3)我们的研究拓宽了ESCC分子和组织学多样性的知识,并为ESCC的治疗提供了新的潜在治疗靶点。(3) Our study broadens the knowledge of the molecular and histological diversity of ESCC and provides new potential therapeutic targets for the treatment of ESCC.
图1、ESCC的转录组分型及鉴定,Figure 1. Transcriptome typing and identification of ESCC,
1A,120例的食管鳞癌的全基因组表达数据NMF聚类分型结果;1A, NMF clustering and typing results of genome-wide expression data of 120 cases of esophageal squamous cell carcinoma;
1B,各个分型样本具有不同的细胞学特征;1B, each typed sample has different cytological characteristics;
1C、各个亚型的生存分析结果;1C. Survival analysis results of each subtype;
1D、细胞干型特征基因表达高的分组生存差。1D. The groups with high expression of stem-type characteristic genes had poor survival.
图2、ESCC的免疫细胞标记物分型及关联分析,Figure 2. Immune cell marker typing and association analysis of ESCC,
2A、免疫分析分型结果;2A. Immunoassay typing results;
2B、C3分型中的样本中XCL1和XCL2基因的表达量显著高于其他两个分型;The expression levels of XCL1 and XCL2 genes in samples of 2B and C3 types were significantly higher than those of the other two types;
2C、B细胞和NK细胞水平高和食管癌的预后不良相关;2C, High levels of B cells and NK cells are associated with poor prognosis in esophageal cancer;
2D、本地样本集(China)和TCGA样本集中,以NK细胞标记物区分的ESCC患者的预后情况,都显示出了显著差异;2D, local sample set (China) and TCGA sample set, the prognosis of ESCC patients distinguished by NK cell markers showed significant differences;
2E、C3免疫型中,Stemness转录组基因型占比最高;Among the 2E and C3 immune types, the Stemness transcriptome genotype accounted for the highest proportion;
2F、C3免疫型的患者样本中,XCL1、XCL2和CD160等NK细胞标记基因和细胞干型代表基因LGR6表达呈现显著正相关;In samples from patients with 2F and C3 immune types, the expression of NK cell marker genes such as XCL1, XCL2 and CD160 and the representative gene LGR6 of cell stem type showed a significant positive correlation;
2G、对肿瘤标本进行LGR6、XCL1和CD160的共表达进行免疫组化分析。2G. Immunohistochemical analysis of the co-expression of LGR6, XCL1 and CD160 was performed on the tumor samples.
图3、XCL1基因的表达与食管鳞癌的药物敏感性分析Figure 3. XCL1 gene expression and drug sensitivity analysis of esophageal squamous cell carcinoma
3A、XCL1表达中位值可以把食管鳞癌细胞系分成两类;3A. The median value of XCL1 expression can divide esophageal squamous cell lines into two categories;
3B、XCL1高表达细胞系对5-氟尿嘧啶不敏感;3B. Cell lines with high XCL1 expression are not sensitive to 5-fluorouracil;
3C、在XCL1低表达细胞系中过表达XCL1后,对5-氟尿嘧啶敏感度显著降低;3C. After overexpressing XCL1 in XCL1 low-expressing cell lines, the sensitivity to 5-fluorouracil is significantly reduced;
3D、对XCL1高表达细胞系药物的活性筛选结果。3D. Results of drug activity screening on XCL1 high-expression cell lines.
实施例1、食管鳞状细胞癌(ESCC)全转录组分析及分型、预后分析及验证Example 1. Whole-transcriptome analysis and typing, prognosis analysis and verification of esophageal squamous cell carcinoma (ESCC)
收集120例食管鳞癌的手术标本(郑州大学第一附属医院伦理委员会伦理审查编号:2019-KY-51),进行全转录组测序,确保每个样本产出5Gb以上的数据量(碱基数目),将测序数据采用Salmon软件进行转录本数据回帖人类基因组37版本转录组并对每个基因进行计数定量。Collect 120 surgical specimens of esophageal squamous cell carcinoma (ethics review number of the Ethics Committee of the First Affiliated Hospital of Zhengzhou University: 2019-KY-51), and perform whole-transcriptome sequencing to ensure that each sample produces more than 5Gb of data (number of bases) ), the sequencing data was processed using Salmon software to repost the transcript data of version 37 of the human genome and count and quantify each gene.
将每个样本的基因定量数据合并为一个矩阵,只保留个体间平均绝对偏差最大的1,500个基因,进行非负矩阵分解(NMF)聚类分析,最优的聚类分析结果由最大态相关系数和在三个数据集的验证情况决定。特征基因选择采取当前分型和其他样本进行对比,采用limma软件进行差异基因分析,找出在该分型中高表达基因,要求差异倍数在1以上。将每个分型的差异基因进行基因富集分析(GSEA)获取和该亚型最相关的(p<0.001)基因集。The gene quantitative data of each sample was combined into a matrix, and only the 1,500 genes with the largest average absolute deviation among individuals were retained, and non-negative matrix factorization (NMF) cluster analysis was performed. The optimal cluster analysis results were determined by the maximum state Correlation coefficients and validation conditions in the three datasets were determined. The selection of characteristic genes compares the current typing with other samples, and uses limma software for differential gene analysis to find out highly expressed genes in the typing, requiring the multiple of difference to be more than 1. Gene enrichment analysis (GSEA) was performed on the differential genes of each subtype to obtain the most relevant (p<0.001) gene set for the subtype.
结果如图1A所示,对120例的食管鳞癌的全基因组表达数据NMF聚类分型分为四个亚型,根据每个亚型的基因富集分析得到相关基因集将四个亚型分别命名为:The results are shown in Figure 1A. The whole genome expression data of 120 cases of esophageal squamous cell carcinoma were classified into four subtypes by NMF clustering. According to the gene enrichment analysis of each subtype, the related gene sets were divided into four subtypes. Named respectively:
分化型(Differentiated),代表基因为LCE3D、CDSN、KLK5、SPRR2G和DSG1等;Differentiated (Differentiated), representative genes are LCE3D, CDSN, KLK5, SPRR2G and DSG1, etc.;
免疫型(immunogenic),代表基因为MS4A1、CD79A、CXCL9、MZB1和IDO1等;Immunogenic, representative genes are MS4A1, CD79A, CXCL9, MZB1 and IDO1, etc.;
代谢型(metabolic),代表基因为GSTA1、ADH7、UGT1A3和ALDH3A1等;和Metabolic, representative genes are GSTA1, ADH7, UGT1A3 and ALDH3A1, etc.; and
细胞干型(stemness),代表基因为WFDC2、PEG10、SFRP1、LGR6和VWA2等。Cell stemness, representative genes are WFDC2, PEG10, SFRP1, LGR6, and VWA2.
苏木精-伊红(HE)染色玻片可以发现各个分型样本具有不同的细胞学特征(图1B)。Hematoxylin-eosin (HE) stained slides showed that each typed sample had different cytological characteristics (Fig. 1B).
为考察不同亚型间的预后价值,对120例病人进行随访跟踪,最终获取109例病人的随访信息,结合年龄、性别、抽烟、饮酒、肿瘤分期和分级等临床病理特征进行Kaplan-Meier曲线分析和COX多因素分析确定各个分析间是否具有生存差异。生存分析结果如图1C所示,结果表明各个亚型间的预后存在明显差异,尤其是细胞干型的病人长期生存期最短。In order to investigate the prognostic value between different subtypes, 120 patients were followed up, and finally the follow-up information of 109 patients was obtained, and Kaplan-Meier curve analysis was performed combining clinicopathological characteristics such as age, gender, smoking, alcohol consumption, tumor stage and grade and COX multivariate analysis to determine whether there were differences in survival among the individual analyses. The results of the survival analysis are shown in Figure 1C. The results showed that there were significant differences in the prognosis among the various subtypes, especially the patients with the stem type had the shortest long-term survival.
为了验证细胞干型亚型的预后价值,选取WFDC2、VWA2、SFRP1和LGR6四个代表基因和GAPDH作为参考基因设计qRTPCR引物(引物的序列结构)。
对另外一个样本集65个样本进行基因表达定量,每个样本的每个基因进行三次PCR反应,基因CT值为三次实验的平均值(qRTPCR结果的原始CT数据见表2)。求取每个基因和GAPDH表达CT值的差值计算-delta CT值作为每个基因的表达量,将四个基因的表达量进行加和代表一个样本的细胞干型数值,根据细胞干型数值将样本分为高低两组,进行Kaplan-Meier曲线分析和COX多因素生存分析决定其和生存的关系。
In order to verify the prognostic value of stemness subtypes, four representative genes WFDC2, VWA2, SFRP1 and LGR6 and GAPDH were selected as reference genes to design qRTPCR primers (sequence structure of primers). Quantification of gene expression was performed on 65 samples of another sample set , and three PCR reactions were performed for each gene in each sample, and the gene CT value was the average value of the three experiments (see Table 2 for the original CT data of qRTPCR results). Calculate the difference between each gene and the GAPDH expression CT value - delta CT value is used as the expression level of each gene, and the expression levels of the four genes are summed to represent the cell stem type value of a sample, according to the cell stem type value The samples were divided into high and low groups, and Kaplan-Meier curve analysis and COX multivariate survival analysis were performed to determine its relationship with survival.
表1、细胞干型分型代表基因的Q-PCR表达量数据和对照基因的引物列表Table 1. Q-PCR expression data of representative genes of cell stem type typing and primer list of control genes
基因Gene | 上游引物序列upstream primer sequence | 下游引物序列downstream primer sequence |
WFDC2WFDC2 | 5’-CTGCCCAATGATAAGGAGGGT-3’5'-CTGCCCAATGATAAGGAGGGT-3' | 5’-TTGCGGCAGCATTTCATCTG-3’5'-TTGCGGCAGCATTTCATCTG-3' |
VWA2VWA2 | 5’-CTGCACACTGTCCCTTCTACA-3’5'-CTGCACACTGTCCCTTCTACA-3' | 5’-GGTAGCCGTCCAGTCCTTCT-3’5'-GGTAGCCGTCCAGTCCTTCT-3' |
SFRP1SFRP1 | 5’-TGGCCCGAGATGCTTAAGTG-3‘5'-TGGCCCGAGATGCTTAAGTG-3' | 5’-CCTCAGTGCAAACTCGCTGG-3’5'-CCTCAGTGCAAACTCGCTGG-3' |
LGR6LGR6 | 5’-TGGGAAGACCAAGGTTGACAC-3’5'-TGGGAAGACCAAGGTTGACAC-3' | 5’-AGAGAGACGCAGCTCCTCCAA-3’5'-AGAGAGACGCAGCTCCTCCAA-3' |
GAPDHGAPDH | 5’-GACTGTGGATGGCCCCTCCGG-3’5'-GACTGTGGATGGCCCCTCCGG-3' | 5‘-AGGTGGAGGAGTGGGTGTCGC-3’5'-AGGTGGAGGAGTGGGTGTCGC-3' |
我们在不同的样本集对细胞干型特征基因进行RTPCR表达定量分析其预后相关性,发现细胞干型基因表达高的分组生存差(图1D),具有显著统计差异。We performed RTPCR quantitative analysis of the expression of cell stemness characteristic genes in different sample sets to analyze their prognostic correlations, and found that groups with high cell stemness gene expression had poor survival (Figure 1D), with significant statistical differences.
表2、65例样本的干型分型代表基因的Q-PCR表达量数据Table 2, Q-PCR expression data of representative genes of stem type typing of 65 samples
实施例2、食管鳞状细胞癌(ESCC)免疫分型及解析Example 2. Immunotyping and Analysis of Esophageal Squamous Cell Carcinoma (ESCC)
有很多不同的基因标记(gene signatures)被用来进行肿瘤微环境和免疫细胞解析,但其表现差异十分显著,我们选取了Timer、MCP-count、Danaher、xCell、Davoli、Rooney等6种不同的方法来评估同样来自实施例1的食管鳞癌队列(120例样本)的的免疫微环境,通过和免疫组化结果相关性分析确定食管鳞癌免疫细胞类型,然后利用一致性聚类方法对食管鳞癌进行免疫微环境聚类,相关参数设置为聚集层次聚类和皮尔逊相关距离和50次重抽样。在综合比较各个软件对食管鳞癌免疫细胞预测能力后我们确定了Danaher为主、结合Davoli的CD4+T细胞的预测解析方法,最终确定了13种相关的免疫细胞类型。利用这三种免疫细胞对食管鳞癌进行聚类分析,120例本地食管鳞癌样本可分为三个免疫亚型:C1(热免疫型)、C2(免疫中间型)和C3(冷免疫型),免疫分析分型结果如图2A所示。最佳的聚类分型结果由共识矩阵和聚类追踪图(tracking plot)共同决定(以转录组数据为基础)。免疫细胞聚类采用皮尔逊相关性和均值聚类法决定。该免疫分型结果同时使用MCP-counter的免疫细胞特征分析进行验证。Many different gene signatures are used to analyze the tumor microenvironment and immune cells, but their performance is very different. We selected 6 different gene signatures, including Timer, MCP-count, Danaher, xCell, Davoli, and Rooney. Methods to assess the immune microenvironment of the esophageal squamous cell carcinoma cohort (120 samples) also from embodiment 1, determine the immune cell type of esophageal squamous cell carcinoma by correlation analysis with immunohistochemical results, and then use the consensus clustering method to analyze the immune microenvironment of the esophagus The immune microenvironment clustering was carried out for squamous cell carcinoma, and the relevant parameters were set as aggregation hierarchical clustering and Pearson correlation distance and 50 times of resampling. After a comprehensive comparison of the prediction capabilities of various software for esophageal squamous cell carcinoma immune cells, we determined the prediction and analysis method of CD4+ T cells based on Danaher combined with Davoli, and finally determined 13 related immune cell types. Using these three types of immune cells to perform cluster analysis on esophageal squamous cell carcinoma, 120 local samples of esophageal squamous cell carcinoma can be divided into three immune subtypes: C1 (hot immune type), C2 (immune intermediate type) and C3 (cold immune type). ), the results of immunoassay typing are shown in Figure 2A. The best cluster typing results are jointly determined by the consensus matrix and the cluster tracking plot (based on transcriptome data). Immune cell clustering was determined using Pearson correlation and mean clustering. The immunophenotyping results were also verified using MCP-counter immune cell feature analysis.
XCL1和XCL2是NK细胞的标记基因,通过Wilcox秩和检验(Wilcoxon Rank-sum test)我们比较了XCL1和XCL2在确定的3个免疫亚型间的分布差异,以确定其是否和免疫亚型聚类结果一致。结果如图2B所示,可见,C3分型中的样本中,XCL1和XCL2基因的表达量显著高于其他两个分型。这提示我们,可以进一步用免疫细胞标记物的水平对ESCC患者的预后进行进一步分析。XCL1 and XCL2 are the marker genes of NK cells. Through the Wilcox rank-sum test (Wilcoxon Rank-sum test), we compared the distribution of XCL1 and XCL2 among the three identified immune subtypes to determine whether they are clustered with immune subtypes. Class results are consistent. The results are shown in FIG. 2B . It can be seen that the expression levels of XCL1 and XCL2 genes in the samples of C3 type are significantly higher than those of the other two types. This suggests that we can further analyze the prognosis of ESCC patients with the level of immune cell markers.
各个免疫细胞的对预后价值我们通过采取Kaplan-Meier曲线分析和COX多因素分析确定各个分析间是否具有生存差异,每个细胞的风险比和95%的置信区间和P value都进行了统计并将细胞按照风险比从小到大进行排序。结果如图2C所示,B细胞和NK细胞水平高和食管癌的预后不良相关,CD8+T细胞水平越高食管癌患者预后越好,进一步的,NK细胞水平高于2.02是食管癌的不良预后标记。For the prognostic value of each immune cell, we used Kaplan-Meier curve analysis and COX multivariate analysis to determine whether there is a survival difference between each analysis. The hazard ratio, 95% confidence interval and P value of each cell were statistically analyzed and Cells are sorted from small to large hazard ratios. The results are shown in Figure 2C. High levels of B cells and NK cells are associated with poor prognosis of esophageal cancer. The higher the level of CD8+T cells, the better the prognosis of patients with esophageal cancer. Further, the level of NK cells higher than 2.02 is associated with poor prognosis of esophageal cancer. Prognostic markers.
为明确NK细胞是否在不同的数据集得到验证,我们采用同样的方法对来自于实施例1的120例本地样本和来自于TCGA的数据(90例)中的免疫细胞标记物进行了解析(对TCGA数据的处理中,按照0.658为界值将NK细胞水平分为高和低两组),然后使用Kaplan-Meier曲线分析进行了其生存预测价值,结果如图2D所示,结果显示,在实施例1的本地样本集(China)和TCGA样本集中,以NK细胞标记物区分的ESCC患者的预后情况,都显示出了显著差异。In order to clarify whether NK cells are verified in different data sets, we used the same method to analyze the immune cell markers in the 120 local samples from Example 1 and the data from TCGA (90 cases) (for In the processing of TCGA data, the level of NK cells was divided into high and low groups according to the cut-off value of 0.658), and then Kaplan-Meier curve analysis was used to carry out its survival prediction value, the results are shown in Figure 2D, the results show that in the implementation Both the local sample set (China) and the TCGA sample set of Example 1 showed significant differences in the prognosis of ESCC patients differentiated by NK cell markers.
为了考察基于基因表达特征分型和免疫分型之间有没有关联性,我们将两个分型结果放在一起进行比较,考察每个免疫亚型的样本中分化型、免疫型、代谢型和细胞干型样本的分布情况,并进行统计分析。得出的结论是C3免疫型中,Stemness转录组基因型占比最高(图2E)。In order to investigate whether there is a correlation between typing based on gene expression characteristics and immune typing, we put the two typing results together for comparison, and examined the differentiation type, immune type, metabolic type and The distribution of the stem-type samples was analyzed statistically. It was concluded that among the C3 immune types, the Stemness transcriptome genotype accounted for the highest proportion (Figure 2E).
LGR6是实施例1确定的细胞干型的代表基因,我们通过计算其表达水平和NK细胞特征基因表达的皮尔逊相关性和进行拟合直线作图,结果如图2F所示,可见在C3免疫型的患者样本中,XCL1、XCL2和CD160等NK细胞标记基因和细胞干型代表基因LGR6表达呈现显著正相关。LGR6 is the representative gene of the cell stem type determined in Example 1. We calculated the Pearson correlation between its expression level and the expression of NK cell characteristic genes and performed a fitting linear plot. The results are shown in Figure 2F. It can be seen that in C3 immune In samples from patients with type 2, the expression of NK cell marker genes such as XCL1, XCL2, and CD160 and the representative gene LGR6 of cell stem type showed a significant positive correlation.
最后,进一步利用连续切片对肿瘤标本进行LGR6、XCL1和CD160的共表达进行免疫组化分析,结果如图2G所示,XCL1和LGR6的免疫组化结果显示,XCL1多分布在肿瘤细胞而非免疫细胞,CD160在免疫细胞和肿瘤细胞中都一定的表达分布。Finally, the co-expression of LGR6, XCL1 and CD160 was further analyzed by serial sections for immunohistochemical analysis of tumor samples. CD160 has a certain expression distribution in immune cells and tumor cells.
上述结果显示,细胞干型的ESCC患者的免疫分型相对一致,都属于NK细胞标记物高表达的免疫分型(C3亚型),预后分析结果也显示出两种分型同样有较差的预后结果。The above results show that the immunotypes of ESCC patients with stem cells are relatively consistent, and they all belong to the immune type with high expression of NK cell markers (C3 subtype), and the prognosis analysis results also show that the two types also have poor Prognostic outcome.
实施例3、不同分型的ESCC亚型的药物敏感性差异Example 3, Differences in Drug Sensitivity of Different Types of ESCC Subtypes
从CCLE数据库下载22个食管鳞癌的细胞系RNA-seq基因表达数据,根据XCL1表达水平按照中位值进行分组进行差异基因分析,并对细胞干型食管鳞癌标记LGR6表达水平和XCL1表达水平进行相关性分析。结果显示,根据XCL1表达中位值可以把食管鳞癌细胞系分为11个低表达组细胞系和11个高表达组细胞系(图3A),表达水平差异显著(t test p值小于0.05)的基因共有97个,采用这97个差异基因进行差异层次聚类结果表明XCL1高表达细胞系和低表达细胞系可以利用该97个差异完美的聚集为两个亚群,而且皮尔逊相关性分析表明XCL1表达水平和LGR6呈现为显著正相关(r:0.59)(图3B)。The RNA-seq gene expression data of 22 cell lines of esophageal squamous cell carcinoma were downloaded from the CCLE database, and the expression levels of XCL1 were grouped according to the median value for differential gene analysis, and the expression levels of the stem-type esophageal squamous cell carcinoma markers LGR6 and XCL1 were analyzed Perform correlation analysis. The results showed that according to the median value of XCL1 expression, esophageal squamous cell carcinoma cell lines could be divided into 11 low-expression group cell lines and 11 high-expression group cell lines (Figure 3A), and the expression levels were significantly different (t test p value less than 0.05) There are 97 genes in total, and the results of differential hierarchical clustering using these 97 differential genes show that XCL1 high-expression cell lines and low-expression cell lines can be perfectly aggregated into two subgroups by using the 97 differences, and Pearson correlation analysis It indicated that the expression level of XCL1 was significantly positively correlated with LGR6 (r:0.59) (Fig. 3B).
选取本实验室留存的XCL1高表达细胞系KYESE-30、KYSE-140、KYSE-510、KYSE-520和XCL1低表达细胞系KYSE-180、KYSE-270、KYSE450、KYSE-70、KYSE-150、KYSE410共10个细胞系进行了5-氟尿嘧啶药物杀伤实验。具体实验过程如下:The XCL1 high expression cell lines KYSE-30, KYSE-140, KYSE-510, KYSE-520 and XCL1 low expression cell lines KYSE-180, KYSE-270, KYSE450, KYSE-70, KYSE-150, A total of 10 cell lines of KYSE410 were tested for killing by 5-fluorouracil drug. The specific experimental process is as follows:
(1)细胞准备:用胰酶消化对数期细胞,使用10%DMD重悬,终浓度为4.4x104cells/ml,按照4000细胞每孔的浓度加入到96孔板,上、右、下边孔加入100μl PBS,左边孔加入10%DMEM作为空白对照。(1) Cell preparation: Digest logarithmic phase cells with trypsin, resuspend in 10% DMD, the final concentration is 4.4x104cells/ml, add to 96-well plate according to the concentration of 4000 cells per well, add to the upper, right and lower wells Add 100μl PBS to the left well and add 10% DMEM as blank control.
(2)培养24小时后,用10%DMEM稀释药物至10×浓度,按药物浓度由高到低将10μl药物加入96孔板中,最右侧细胞孔为阴性对照,不加药。(2) After culturing for 24 hours, dilute the drug with 10% DMEM to a concentration of 10×, add 10 μl of the drug into the 96-well plate according to the drug concentration from high to low, and the rightmost cell well is a negative control without adding drug.
(3)在37℃培养箱5%CO
2浓度环境下培养72小时。避光条件下,将MTS与PMS按20:1混匀,然后加入PBS以外所有孔内20μl,放入37℃,CO
2培养箱中继续培养3h;
(3) Cultivate for 72 hours in a 37°C incubator with 5% CO 2 concentration. Under dark conditions, mix MTS and PMS at a ratio of 20:1, then add 20 μl to all wells except PBS, and place in a CO 2 incubator at 37°C for 3 hours;
(4)在反应时间内MTS与PMS形成稳定溶液,用酶标仪在490nm波长处读出各孔的OD值;(4) MTS and PMS form a stable solution within the reaction time, and read the OD value of each well at a wavelength of 490 nm with a microplate reader;
(5)根据细胞活力,采用Graphpad Prism 5计算半抑制浓度(IC50)。(5) According to the cell viability, use Graphpad Prism 5 to calculate the half-inhibitory concentration (IC50).
进一步的,我们利用XCL1低表达细胞系KYSE-150构建XCL1过表达细胞系然后再进行同样的药物杀伤实验。过表达细胞系构建过程如下:Further, we used the XCL1 low expression cell line KYSE-150 to construct an XCL1 overexpression cell line and then performed the same drug killing experiment. The overexpression cell line construction process is as follows:
(1)使用GENEWIZ合成人源XCL1cDNA并克隆到慢病毒载体;(1) Use GENEWIZ to synthesize human XCL1 cDNA and clone it into lentiviral vector;
(2)分别将1x10
5个细胞加入到24孔板,使用MOI(感染复数)=50感染克隆XCL1慢病毒或未克隆XCL1慢病毒,培养72小时后使用嘌呤霉素(puromycin)进行细胞筛选,XCL1的表达量通过qRTPCR进行定量确定,设计引物如下:
( 2 ) Add 1x105 cells to a 24-well plate, use MOI (multiplicity of infection) = 50 to infect cloned XCL1 lentivirus or uncloned XCL1 lentivirus, and use puromycin (puromycin) to perform cell selection after culturing for 72 hours. The expression level of XCL1 was quantitatively determined by qRTPCR, and the primers were designed as follows:
上游引物:5’-TGCTCTCTCACTGCATACATTG-3’Upstream primer: 5'-TGCTCTCTCACTGCATACATTG-3'
下游引物:5‘-TGGTGTAGGTCTTGATTCTGCT-3’Downstream primer: 5'-TGGTGTAGGTCTTGATTCTGCT-3'
获得了过表达XCL1的KYSE-150细胞系之后,重复上述杀伤实验。After obtaining the KYSE-150 cell line overexpressing XCL1, the above killing experiment was repeated.
结果显示,5-氟尿嘧啶药物敏感性实验结果表明XCL1高表达细胞系对5-氟尿嘧啶不敏感(图3C),同样的结论在过表达XCL1的KYSE-150细胞系中也得到了验证(图3D)。The results showed that the 5-fluorouracil drug sensitivity test results showed that the XCL1 high-expression cell line was not sensitive to 5-fluorouracil (Figure 3C), and the same conclusion was also verified in the KYSE-150 cell line overexpressing XCL1 (Figure 3D) .
最后,我们进一步对GDSC(Genomics of Drug Sensitivity in Cancer,https://www.cancerrxgene.org)的367个药物杀伤敏感性进行了XCL1高表达和低表达组的对比分析,部分活性差异较大的药物的活性筛选结果如图3E所示,表明XCL1高表达食管鳞癌对LCL-161(结构式如下式所示)更敏感。Finally, we further conducted a comparative analysis of the XCL1 high expression and low expression groups on the 367 drug killing sensitivities of GDSC (Genomics of Drug Sensitivity in Cancer, https://www.cancerrxgene.org), and some of the activities with large differences The drug activity screening results are shown in FIG. 3E , which indicates that esophageal squamous cell carcinoma with high expression of XCL1 is more sensitive to LCL-161 (the structural formula is shown below).
最后需要说明的是,以上实施例仅用于本领域技术人员理解本发明的实质,不用于限定本发明的保护范围。Finally, it should be noted that the above embodiments are only for those skilled in the art to understand the essence of the present invention, and are not intended to limit the protection scope of the present invention.
Claims (6)
- 一组分子标记物在制备诊断试剂盒中的应用,其特征在于,The application of a group of molecular markers in the preparation of diagnostic kits is characterized in that,所述的诊断试剂盒将食管鳞状细胞癌(ESCC)分为四个分子分型;分化型((Differentiated)、免疫型(immunogenic)、代谢型(metabolic)、细胞干型(stemness);The diagnostic kit divides esophageal squamous cell carcinoma (ESCC) into four molecular types: differentiated, immunogenic, metabolic, and stemness;所述的分子标记物及其与所述的ESCC的分子分型的关系为:The relationship between the molecular markers and the molecular typing of the ESCC is as follows:分化型(Differentiated):LCE3D、CDSN、KLK5、SPRR2G和DSG1高表达;Differentiated: High expression of LCE3D, CDSN, KLK5, SPRR2G and DSG1;免疫型(immunogenic):MS4A1、CD79A、CXCL9、MZB1和IDO1高表达;Immunogenic: high expression of MS4A1, CD79A, CXCL9, MZB1 and IDO1;代谢型(metabolic):GSTA1、ADH7、UGT1A3和ALDH3A1高表达;Metabolic: high expression of GSTA1, ADH7, UGT1A3 and ALDH3A1;细胞干型(stemness):WFDC2、PEG10、SFRP1、LGR6和VWA2高表达。Stemness: High expression of WFDC2, PEG10, SFRP1, LGR6 and VWA2.
- 一组分子标记物在制备诊断试剂盒中的应用,其特征在于,The application of a group of molecular markers in the preparation of diagnostic kits is characterized in that,所述的诊断试剂盒用于鉴定食管鳞状细胞癌(ESCC)的不良预后和/或药物不敏感的亚型;The diagnostic kit is used to identify poor prognosis and/or drug-insensitive subtypes of esophageal squamous cell carcinoma (ESCC);所述的分子标记物为:NK细胞表面标记物;The molecular markers are: NK cell surface markers;所述的鉴定为:检测所述的分子标记物高表达。The identification is: detecting the high expression of the molecular marker.
- 根据权利要求2所述的应用,其特征在于,所述的分子标记物为如下基因的任意组合:XCL1、XCL2、CD160和LGR6。The application according to claim 2, wherein the molecular marker is any combination of the following genes: XCL1, XCL2, CD160 and LGR6.
- 一种鉴定食管鳞状细胞癌(ESCC)的细胞干型亚型的检测试剂盒,其特征在于,所述的试剂盒包括检测WFDC2、XCL1、SFRP1、LGR6和VWA2基因表达量的检测试剂;A detection kit for identifying the cell stem subtype of esophageal squamous cell carcinoma (ESCC), characterized in that the kit includes detection reagents for detecting the expression of WFDC2, XCL1, SFRP1, LGR6 and VWA2 genes;优选的,所述的检测试剂为qRTPCR引物,所述的引物分别为:Preferably, the detection reagents are qRTPCR primers, and the primers are respectively:WFDC2WFDC2SEQ ID NO.1:上游引物:5’-CTGCCCAATGATAAGGAGGGT-3’SEQ ID NO.1: Upstream primer: 5'-CTGCCCAATGATAAGGAGGGT-3'SEQ ID NO.2:下游引物:5’-TTGCGGCAGCATTTCATCTG-3’SEQ ID NO.2: Downstream primer: 5'-TTGCGGCAGCATTTCATCTG-3'VWA2VWA2SEQ ID NO.3:上游引物:5’-CTGCACACTGTCCCTTCTACA-3’SEQ ID NO.3: Upstream primer: 5'-CTGCACACTGTCCCCTTCTACA-3'SEQ ID NO.4:下游引物:5’-GGTAGCCGTCCAGTCCTTCT-3’SEQ ID NO.4: Downstream primer: 5'-GGTAGCCGTCCAGTCCTTCT-3'SFRP1SFRP1SEQ ID NO.5:上游引物:5’-TGGCCCGAGATGCTTAAGTG-3‘SEQ ID NO.5: Upstream primer: 5'-TGGCCCGAGATGCTTAAGTG-3'SEQ ID NO.6:下游引物:5’-CCTCAGTGCAAACTCGCTGG-3’SEQ ID NO.6: Downstream primer: 5'-CCTCAGTGCAAACTCGCTGG-3'LGR6LGR6SEQ ID NO.7:上游引物:5’-TGGGAAGACCAAGGTTGACAC-3’SEQ ID NO.7: Upstream primer: 5'-TGGGAAGACCAAGGTTGACAC-3'SEQ ID NO.8:下游引物:5’-AGAGAGACGCAGCTCCTCCAA-3’SEQ ID NO.8: Downstream primer: 5'-AGAGAGACGCAGCTCCTCCAA-3'XCL1XCL1SEQ ID NO.9:上游引物:5’-TGCTCTCTCACTGCATACATTG-3’SEQ ID NO.9: Upstream primer: 5'-TGCTCTCTCACTGCATACATTG-3'SEQ ID NO.10:下游引物:5’-TGGTGTAGGTCTTGATTCTGCT-3’。SEQ ID NO.10: Downstream primer: 5'-TGGTGTAGGTCTTGATTCTGCT-3'.
- 一种用于治疗食管鳞状细胞癌(ESCC)的药物,其特征在于,所述的食管鳞状细胞癌(ESCC)的亚型为NK细胞表面标记物高表达亚型;所述的药物为为封闭XCL1、XCL2、CD160的药物,优选的,所述的药物为LCL-161,其结构如下式所示:A kind of medicine that is used for the treatment of esophageal squamous cell carcinoma (ESCC), it is characterized in that, the subtype of described esophageal squamous cell carcinoma (ESCC) is the high expression subtype of NK cell surface marker; Described medicine is For the medicine of blocking XCL1, XCL2, CD160, preferably, described medicine is LCL-161, and its structure is shown in the following formula:
- 一种治疗食管鳞状细胞癌(ESCC)的药物,其特征在于,所述的食管鳞状细胞癌(ESCC)的亚 型为NK细胞表面标记物高表达亚型;所述的药物还包括治疗有效量的化合物LCL-161和必要的药用辅料。A kind of medicine for the treatment of esophageal squamous cell carcinoma (ESCC), is characterized in that, the subtype of described esophageal squamous cell carcinoma (ESCC) is the high expression subtype of NK cell surface marker; Described medicine also includes treatment Effective amount of compound LCL-161 and necessary pharmaceutical auxiliary materials.
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CN116621946A (en) * | 2023-05-31 | 2023-08-22 | 山东大学齐鲁医院 | Application of polypeptide circ1946-109aa as esophageal squamous carcinoma prognosis marker |
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WO2007013671A2 (en) * | 2005-07-27 | 2007-02-01 | Oncotherapy Science, Inc. | Method of diagnosing esophageal cancer |
JP2013185921A (en) * | 2012-03-07 | 2013-09-19 | National Institute Of Biomedical Innovation | Tumor marker for lung glandular squamous cell carcinoma and diagnostic kit |
CN109541209A (en) * | 2018-09-26 | 2019-03-29 | 汕头大学医学院 | Esophageal squamous cell carcinoma microenvironment cell sign object molecular model and its application |
CN109929932A (en) * | 2019-01-31 | 2019-06-25 | 江苏万成生物医学研究院有限公司 | Application in blood in two kinds of long-chain non-coding RNA Combining diagnosis esophageal squamous cell carcinomas |
CN111088357A (en) * | 2019-12-31 | 2020-05-01 | 深圳大学 | Tumor marker for ESCC and application thereof |
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WO2007013671A2 (en) * | 2005-07-27 | 2007-02-01 | Oncotherapy Science, Inc. | Method of diagnosing esophageal cancer |
JP2013185921A (en) * | 2012-03-07 | 2013-09-19 | National Institute Of Biomedical Innovation | Tumor marker for lung glandular squamous cell carcinoma and diagnostic kit |
CN109541209A (en) * | 2018-09-26 | 2019-03-29 | 汕头大学医学院 | Esophageal squamous cell carcinoma microenvironment cell sign object molecular model and its application |
CN109929932A (en) * | 2019-01-31 | 2019-06-25 | 江苏万成生物医学研究院有限公司 | Application in blood in two kinds of long-chain non-coding RNA Combining diagnosis esophageal squamous cell carcinomas |
CN111088357A (en) * | 2019-12-31 | 2020-05-01 | 深圳大学 | Tumor marker for ESCC and application thereof |
Cited By (2)
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CN116621946A (en) * | 2023-05-31 | 2023-08-22 | 山东大学齐鲁医院 | Application of polypeptide circ1946-109aa as esophageal squamous carcinoma prognosis marker |
CN116621946B (en) * | 2023-05-31 | 2024-02-20 | 山东大学齐鲁医院 | Application of polypeptide circ1946-109aa as esophageal squamous carcinoma prognosis marker |
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