MEDULLOBLASTOMA GENES AS TARGETS FOR DIAGNOSIS AND THERAPEUTICS
    5.
    发明申请
    MEDULLOBLASTOMA GENES AS TARGETS FOR DIAGNOSIS AND THERAPEUTICS 有权
    MEDULLOBLASTOMA基因作为诊断和治疗药物的目标

    公开(公告)号:US20130296408A1

    公开(公告)日:2013-11-07

    申请号:US13884154

    申请日:2011-11-08

    IPC分类号: C12Q1/68

    摘要: Medulloblastoma (MB) is the most common malignant brain tumor of children. To identify the genetic alterations in this tumor type, we searched for copy number alterations using high density microarrays and sequenced all known protein-coding genes and miRNA genes using Sanger sequencing. We found that, on average, each tumor had 11 gene alterations, markedly fewer than in common adult cancers. In addition to alterations in the Hedgehog and Wnt pathways, our analysis led to the discovery of genes not previously known to be altered in MBs. Most notably, inactivating mutations of the histone H3K4 trimethylase genes MLL2 or MLL3 were identified in 16% of MB patients. These results demonstrate key differences between the genetic landscapes of adult and childhood cancers, highlight dysregulation of developmental pathways as an important mechanism underlying MBs, and identify a role for a specific type of histone methylation in human tumorigenesis.

    摘要翻译: 成神经管细胞瘤(MB)是儿童最常见的恶性脑肿瘤。 为了鉴定这种肿瘤类型的遗传改变,我们使用高密度微阵列搜索拷贝数变化,并使用Sanger测序对所有已知的蛋白质编码基因和miRNA基因进行测序。 我们发现平均每个肿瘤有11个基因改变,明显少于普通成年癌症。 除了Hedgehog和Wnt途径的改变之外,我们的分析导致了以前未知在MB中被改变的基因的发现。 最明显的是,在16%的MB患者中鉴定了组蛋白H3K4三甲基酶基因MLL2或MLL3的失活突变。 这些结果显示了成年和儿童期癌症遗传景观之间的关键差异,突出了发育途径的失调作为MBs的重要机制,并确定了特定类型的组蛋白甲基化在人类肿瘤发生中的作用。

    OLIGODENDROGLIOMA DRIVE GENES
    8.
    发明申请
    OLIGODENDROGLIOMA DRIVE GENES 审中-公开
    OLIGODENDROGLIOMA驱动基因

    公开(公告)号:US20140221219A1

    公开(公告)日:2014-08-07

    申请号:US14233296

    申请日:2012-07-18

    IPC分类号: C12Q1/68

    摘要: Oligodendrogliomas are the second most common malignant brain tumor in adults. These tumors often contain a chromosomal abnormality involving a pericentromeric fusion of chromosomes 1 and 19, resulting in losses of the entire short arm of the former and the long arm of the latter. To identify the molecular genetic basis for this alteration, we performed exomic sequencing of seven anaplastic oligodendrogliomas with chromosome 1p and 19q losses. Among other changes, we found that that CIC (homolog of the Drosophila gene capicua) on chromosome 19q was somatically mutated in six of the seven cases and that FUBP1 (far upstream element (FUSE) binding protein) on chromosome 1p was somatically mutated in two of the seven cases. Examination of 27 additional oligodendrogliomas revealed 12 and 3 more tumors with mutations of CIC and FUBP1, respectively, 58% of which were predicted to result in truncations of the encoded proteins. These results suggest a critical role for these genes in the biology and pathology of oligodendrocytes.

    摘要翻译: 少突神经胶质瘤是成人中第二常见的恶性脑肿瘤。 这些肿瘤通常包含染色体异常,涉及染色体1和染色体1的致晕体融合,导致前者的整个短臂和后者的长臂的损失。 为了确定这种改变的分子遗传基础,我们对染色体1p和19q损失进行了7个分离性少突胶质细胞瘤的外切测序。 在其他变化中,我们发现在七种病例中的六种中,染色体19q上的CIC(果蝇基因capicua的同系物)被体细胞突变,并且染色体1p上的FUBP1(远上游元件(FUSE)结合蛋白)在两个体内被突变 的七例。 另外27例少突胶质细胞瘤的检查显示有12例和3例分别具有CIC和FUBP1突变的肿瘤,其中58%预计会导致编码蛋白的截短。 这些结果表明这些基因在少突胶质细胞的生物学和病理学中的关键作用。

    SOMATIC MUTATIONS IN ATRX IN BRAIN CANCER
    9.
    发明申请
    SOMATIC MUTATIONS IN ATRX IN BRAIN CANCER 有权
    脑癌中ATRX中的SOMATIC MUTATIONS

    公开(公告)号:US20140227271A1

    公开(公告)日:2014-08-14

    申请号:US14129850

    申请日:2012-06-28

    摘要: We determined the sequence of ATRX and DAXX in 447 cancers from various sites. We found mutations most commonly in pediatric glioblastoma multiformae (GBM) (11.1%), adult GBM (6.5%), oligodendrogliomas (7.7%) and medulloblastomas (1.5%); and showed that Alternative Lengthening of Telomeres (ALT), a telomerase-independent telomere maintenance mechanism found in cancers that have not activated telomerase, perfectly correlated with somatic mutations of either gene. In contrast, neuroblastomas, and adenocarcinomas of the ovary, breast, and pancreas were negative for mutations in ATRX and DAXX. Alterations in ATRX or DAXX define a specific molecular pathway that is closely associated with an alternative telomere maintenance function in human cancers.

    摘要翻译: 我们确定了来自各个位点的447例癌症中ATRX和DAXX的序列。 我们发现多形性小儿多形性成胶质细胞瘤(GBM)(11.1%),成人GBM(6.5%),少突胶质细胞瘤(7.7%)和成神经管细胞瘤(1.5%)中最常见的突变; 并且表明,在未激活端粒酶的癌症中发现端粒酶不依赖端粒维持机制的替代延长端粒(ALT)与任一基因的体细胞突变完全相关。 相比之下,成骨细胞瘤和卵巢,乳腺和胰腺腺癌对于ATRX和DAXX中的突变是阴性的。 ATRX或DAXX中的改变定义了与人类癌症中替代端粒维持功能密切相关的特定分子途径。

    ARID1A and PPP2R1A Mutations in Cancer
    10.
    发明申请
    ARID1A and PPP2R1A Mutations in Cancer 有权
    ARID1A和PPP2R1A突变在癌症

    公开(公告)号:US20130210900A1

    公开(公告)日:2013-08-15

    申请号:US13819933

    申请日:2011-09-06

    IPC分类号: C12Q1/68 A61K31/711

    摘要: Two genes, ARID1A (AT-rich interactive domain-containing protein 1A) and PPP2R1A (protein-phosphatase 2, regulatory subunit 1, alpha), can be used in methods which are useful for detecting cancer, diagnosing cancer, contributing to a diagnosis of cancer, confirming a diagnosis of cancer, identifying appropriate treatments for cancer, monitoring treatment of cancer, and evaluating treatment protocols for cancer, including ovarian clear cell carcinoma, breast cancer, colon cancer, gastric cancer, lung cancer, medulloblastoma, pancreatic cancer, and prostate cancer.

    摘要翻译: 可用于检测癌症,诊断癌症,有助于诊断癌症的方法中使用两种基因ARID1A(含AT富含交互结构域的蛋白质1A)和PPP2R1A(蛋白质磷酸酶2,调节亚单位1,α) 确定癌症的诊断,确定癌症的适当治疗,监测癌症的治疗,以及评估癌症的治疗方案,包括卵巢透明细胞癌,乳腺癌,结肠癌,胃癌,肺癌,成神经管细胞瘤,胰腺癌和 前列腺癌。