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基于miRNA芯片的喉咽鱗狀細(xì)胞癌對(duì)TPF方案誘導(dǎo)化療敏感性相關(guān)miRNA的初步分析

發(fā)布時(shí)間:2018-04-22 18:10

  本文選題:腫瘤 + 鱗狀細(xì)胞; 參考:《中國(guó)耳鼻咽喉頭頸外科》2016年04期


【摘要】:目的運(yùn)用miRNA芯片篩選與喉咽鱗狀細(xì)胞癌對(duì)TPF方案誘導(dǎo)化療敏感性相關(guān)的差異miRNAs,生物信息學(xué)分析確定具有診療價(jià)值的目標(biāo)miRNA并進(jìn)行驗(yàn)證。方法利用Affymetrix GeneChipmiRNAArray4.0芯片對(duì)12例TPF方案誘導(dǎo)化療敏感的原發(fā)喉咽鱗狀細(xì)胞癌患者及9例不敏感的患者的腫瘤組織行差異miRNA的篩選。選擇文獻(xiàn)中已經(jīng)報(bào)道的和腫瘤發(fā)生相關(guān)的miRNA作為目標(biāo)miRNA,并采用RT-PCR在24例原發(fā)喉咽鱗癌腫瘤組織(14例敏感,10例不敏感)中驗(yàn)證目標(biāo)miRNA。結(jié)果篩選出24個(gè)miRNA在敏感組與不敏感組間表達(dá)有顯著差異,其中6個(gè)miRNA在對(duì)TPF方案誘導(dǎo)化療敏感組中表達(dá)上調(diào),18個(gè)miRNA表達(dá)下調(diào)。運(yùn)用miRNA靶基因預(yù)測(cè)數(shù)據(jù)庫mirfocus對(duì)篩選出的24個(gè)差異miRNA進(jìn)行分析,確定在敏感組中低表達(dá)的hsa-miR-211-3p、hsa-miR-4253、hsa-miR-4443、hsa-miR-193b-3p作為目標(biāo)miRNA。采用RT-PCR對(duì)目標(biāo)miRNA進(jìn)行驗(yàn)證,hsa-miR-4253、hsamiR-4443、hsa-miR-193b-3p與芯片篩選結(jié)果一致。結(jié)論hsa-miR-4253、hsa-miR-4443、hsa-miR-193b-3p在誘導(dǎo)化療敏感組與不敏感組間有顯著性差異,可作為治療方案的選擇指標(biāo),并為進(jìn)一步研究喉咽鱗狀細(xì)胞癌對(duì)誘導(dǎo)化療敏感性奠定分子生物學(xué)基礎(chǔ)。
[Abstract]:Objective to screen the difference in sensitivity of larynx squamous cell carcinoma (LSCC) to TPF induced chemotherapy by using miRNA microarray, and to identify the target miRNA with diagnostic and therapeutic value by bioinformatics analysis and verify it. Methods Affymetrix GeneChipmiRNAArray4.0 microarray was used to screen the tumor tissues of 12 patients with primary larynx squamous cell carcinoma and 9 insensitive patients with TPF regimen induced chemotherapy-sensitive primary larynx squamous cell carcinoma (LSCC). The miRNA related to tumorigenesis in the literature was selected as the target miRNAs, and RT-PCR was used to validate the target miRNAs in 24 cases of primary larynx squamous cell carcinoma (LSCC) in 14 cases of sensitive tumor tissues and 10 cases of insensitivity). Results the expression of 24 miRNA was significantly different between sensitive group and insensitive group. 6 miRNA were up-regulated and 18 miRNA down-regulated in chemosensitive group induced by TPF regimen. MiRNA target gene prediction database (mirfocus) was used to analyze 24 differentially screened miRNA, and hsa-miR-211-3psa-miR-4253 hsa-miR-4443 hsa-miR-193b-3p was identified as the target of miRNAs. RT-PCR was used to verify the target miRNA. The results of hsa-miR-4253hsamiR-4443hsa-miR-193b-3p were consistent with those of the chip. Conclusion hsa-miR-4253hsa-miR-4443 hsa-miR-193b-3p has a significant difference between chemosensitive and insensitive groups, and can be used as a selective index for the treatment of laryngopharyngeal squamous cell carcinoma. It also provides a molecular biological basis for further study on the sensitivity of larynx squamous cell carcinoma to induced chemotherapy.
【作者單位】: 首都醫(yī)科大學(xué)附屬北京同仁醫(yī)院耳鼻咽喉頭頸外科耳鼻咽喉頭頸科學(xué)教育部重點(diǎn)實(shí)驗(yàn)室(首都醫(yī)科大學(xué));
【基金】:北京市醫(yī)管局揚(yáng)帆計(jì)劃(XMLX201311) 北京市科委重點(diǎn)項(xiàng)目(Z141107002514003)聯(lián)合資助
【分類號(hào)】:R739.6

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