目的探究序列相似家族111成员A(family with sequence similarity 111 member A,FAM111A)、FAM111B在泛癌中的肿瘤预后、肿瘤免疫及抗癌药物敏感性。方法在癌症基因体图谱(the cancer genome atlas,TCGA)数据库下载和整理FAM111A和FAM1...目的探究序列相似家族111成员A(family with sequence similarity 111 member A,FAM111A)、FAM111B在泛癌中的肿瘤预后、肿瘤免疫及抗癌药物敏感性。方法在癌症基因体图谱(the cancer genome atlas,TCGA)数据库下载和整理FAM111A和FAM111B在33种肿瘤及11057例样本的mRNA表达水平及临床生存相关数据,下载UCSC Xena数据库中关于33种肿瘤干细胞评分相关数据,下载CellMiner数据库样本的基因表达与药敏结果的数据。对FAM111A与FAM111B在肿瘤中作用进行多方面研究。结果FAM111A和FAM111B的相关性较强(r=0.42,P<0.05),FAM111A和FAM111B在多种肿瘤中普遍高表达(P<0.05),且FAM111A和FAM111B可以预测多种肿瘤患者的生存率(P<0.05)。泛癌免疫亚型分析显示,FAM111A和FAM111B在6种肿瘤免疫亚型显著表达(P<0.001)。FAM111A和FAM111B的表达与免疫评分、间质评分及总评分呈负相关(P<0.05),FAM111A和FAM111B的表达与肿瘤干细胞分化程度呈正相关(P<0.05)。抗癌药物敏感性的分析显示,FAM111A与奈拉滨(Nelarabine)等药物敏感性呈正相关(P<0.05),FAM111基因与卡博替尼(Cabozantinib)等药物敏感性呈负相关(P<0.05)。结论FAM111A和FAM111B在多种肿瘤中有表达差异,并且对生存预后有预测价值,它们在肿瘤免疫微环境、干细胞评分和抗癌药物敏感性方面的研究结果为肿瘤治疗及诊断提供了方向。展开更多
The growth by molecular beam epitaxy of high quality GaAs epilayers on nonmisoriented GaAs（111）B substrates is reported.Growth control of the GaAs epilayers is achieved via in situ,real time measurement of the specu...The growth by molecular beam epitaxy of high quality GaAs epilayers on nonmisoriented GaAs（111）B substrates is reported.Growth control of the GaAs epilayers is achieved via in situ,real time measurement of the specular beam intensity of reflection high-energy electron diffraction（RHEED）.Static surface phase maps of GaAs（111）B have been generated for a variety of incident As flux and substrate temperature conditions.The dependence of GaAs（111）B surface reconstruction phases on growth parameters is discussed.The（191/2×191/2） surface reconstruction is identified to be the optimum starting surface for the latter growth of mirror-smooth epilayers.Regimes of growth conditions are optimized in terms of the static surface phase diagram and the temporal RHEED intensity oscillations.展开更多
文摘目的探究序列相似家族111成员A(family with sequence similarity 111 member A,FAM111A)、FAM111B在泛癌中的肿瘤预后、肿瘤免疫及抗癌药物敏感性。方法在癌症基因体图谱(the cancer genome atlas,TCGA)数据库下载和整理FAM111A和FAM111B在33种肿瘤及11057例样本的mRNA表达水平及临床生存相关数据,下载UCSC Xena数据库中关于33种肿瘤干细胞评分相关数据,下载CellMiner数据库样本的基因表达与药敏结果的数据。对FAM111A与FAM111B在肿瘤中作用进行多方面研究。结果FAM111A和FAM111B的相关性较强(r=0.42,P<0.05),FAM111A和FAM111B在多种肿瘤中普遍高表达(P<0.05),且FAM111A和FAM111B可以预测多种肿瘤患者的生存率(P<0.05)。泛癌免疫亚型分析显示,FAM111A和FAM111B在6种肿瘤免疫亚型显著表达(P<0.001)。FAM111A和FAM111B的表达与免疫评分、间质评分及总评分呈负相关(P<0.05),FAM111A和FAM111B的表达与肿瘤干细胞分化程度呈正相关(P<0.05)。抗癌药物敏感性的分析显示,FAM111A与奈拉滨(Nelarabine)等药物敏感性呈正相关(P<0.05),FAM111基因与卡博替尼(Cabozantinib)等药物敏感性呈负相关(P<0.05)。结论FAM111A和FAM111B在多种肿瘤中有表达差异,并且对生存预后有预测价值,它们在肿瘤免疫微环境、干细胞评分和抗癌药物敏感性方面的研究结果为肿瘤治疗及诊断提供了方向。
基金Project supported by the National Natural Science Foundation of China(No.61076004)the Natural Science Foundation of Hebei Province,China(No.E2009000050)
文摘The growth by molecular beam epitaxy of high quality GaAs epilayers on nonmisoriented GaAs（111）B substrates is reported.Growth control of the GaAs epilayers is achieved via in situ,real time measurement of the specular beam intensity of reflection high-energy electron diffraction（RHEED）.Static surface phase maps of GaAs（111）B have been generated for a variety of incident As flux and substrate temperature conditions.The dependence of GaAs（111）B surface reconstruction phases on growth parameters is discussed.The（191/2×191/2） surface reconstruction is identified to be the optimum starting surface for the latter growth of mirror-smooth epilayers.Regimes of growth conditions are optimized in terms of the static surface phase diagram and the temporal RHEED intensity oscillations.
