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    • 5. 发明申请
    • GENES FREQUENTLY ALTERED IN PANCREATIC NEUROENDOCRINE TUMORS
    • 普遍存在于胰腺神经元肿瘤中的基因
    • US20140045881A1
    • 2014-02-13
    • US13977810
    • 2012-01-04
    • Bert VogelsteinKenneth W. KinzlerVictor VelculescuLuis DiazNikolas PapadopoulosYuchen JiaoRalph Hruban
    • Bert VogelsteinKenneth W. KinzlerVictor VelculescuLuis DiazNikolas PapadopoulosYuchen JiaoRalph Hruban
    • C12Q1/68
    • C12Q1/6886C12Q2600/106C12Q2600/112C12Q2600/118C12Q2600/156G01N33/57438G01N2800/52
    • Pancreatic Neuroendocrine Tumors (PanNETs) are a rare but clinically important form of pancreatic neoplasia. To explore the genetic basis of PanNETs, we determined the exomic sequences of ten non-familial PanNETs and then screened the most commonly mutated genes in 58 additional PanNETs. Remarkably, the most frequently mutated genes specify proteins implicated in chromatin remodeling: 44% of the tumors had somatic inactivating mutations in MEN-1, which encodes menin, a component of a histone methyltransferase complex; and 43% had mutations in genes encoding either of the two subunits of a transcription/chromatin remodeling complex consisting of DAXX (death-domain associated protein) and ATRX (alpha thalassemia/mental retardation syndrome X-linked). Clinically, mutations in the MEN1 and DAXX/ATRX genes were associated with better prognosis. We also found mutations in genes in the mTOR (mammalian target of rapamycin) pathway in 14% of the tumors, a finding that could potentially be used to stratify patients for treatment with mTOR inhibitors.
    • 胰腺神经内分泌肿瘤(Pannets)是一种罕见但临床上重要的胰腺肿瘤形式。 为了探索PanNETs的遗传基础,我们确定了十个非家族PanNETs的外显子序列,然后筛选了58个额外的PanNET中最常见的突变基因。 值得注意的是,最常突变的基因指定涉及染色质重塑的蛋白质:44%的肿瘤在MEN-1中具有体细胞失活突变,其编码menin,组蛋白甲基转移酶复合物的组分; 43%在编码由DAXX(死亡相关蛋白)和ATRX(α地中海贫血/智力迟钝综合征X连锁)组成的转录/染色质重塑复合物的两个亚基之一的基因中具有突变。 在临床上,MEN1和DAXX / ATRX基因的突变与更好的预后相关。 我们还发现在14%的肿瘤中mTOR(雷帕霉素的哺乳动物靶标)途径的基因突变,这种发现可能用于分层患者用mTOR抑制剂治疗。
    • 6. 发明授权
    • Integrated analyses of breast and colorectal cancers
    • 乳腺癌和结肠直肠癌的综合分析
    • US08709723B2
    • 2014-04-29
    • US13461268
    • 2012-05-01
    • Bert VogelsteinKenneth W. KinzlerRebecca J. LearyVictor E. Velculescu
    • Bert VogelsteinKenneth W. KinzlerRebecca J. LearyVictor E. Velculescu
    • C12Q1/66C12P19/34C07H21/02
    • C12Q1/6886C12Q2600/156
    • Genome-wide analysis of copy number changes in breast and colorectal tumors used approaches that can reliably detect homozygous deletions and amplifications. The number of genes altered by major copy number changes—deletion of all copies or amplification of at least twelve copies per cell—averaged thirteen per tumor. These data were integrated with previous mutation analysis of the Reference Sequence genes in these same tumor types to identify genes and cellular pathways affected by both copy number changes and point alterations. Pathways enriched for genetic alterations include those controlling cell adhesion, intracellular signaling, DNA topological change, and cell cycle control. These analysis provide an integrated view of copy number and sequencing alterations on a genome-wide scale and identify genes and pathways that are useful for cancer diagnosis and therapy.
    • 使用可以可靠地检测纯合缺失和扩增的方法对乳腺和结肠直肠肿瘤的拷贝数变化进行全基因组分析。 通过主要拷贝数变化改变的基因数量 - 全部拷贝的缺失或每个细胞至少12个拷贝的扩增,平均每个肿瘤13个。 这些数据与以前相同肿瘤类型的参考序列基因的突变分析结合起来,以鉴定受拷贝数变化和点变化影响的基因和细胞途径。 富含遗传改变的途径包括控制细胞粘附,细胞内信号转导,DNA拓扑变化和细胞周期控制的途径。 这些分析提供了在全基因组范围内的拷贝数和测序改变的综合视图,并确定了可用于癌症诊断和治疗的基因和途径。
    • 7. 发明申请
    • Integrated Analyses of Breast and Colorectal Cancers
    • 乳腺癌和结肠直肠癌综合分析
    • US20100136560A1
    • 2010-06-03
    • US12619726
    • 2009-11-17
    • Bert VogelsteinKenneth W. KinzlerRebecca J. LearyVictor E. Velculescu
    • Bert VogelsteinKenneth W. KinzlerRebecca J. LearyVictor E. Velculescu
    • C12Q1/68
    • C12Q1/6886C12Q2600/156
    • Genome-wide analysis of copy number changes in breast and colorectal tumors used approaches that can reliably detect homozygous deletions and amplifications. The number of genes altered by major copy number changes—deletion of all copies or amplification of at least twelve copies per cell—averaged thirteen per tumor. These data were integrated with previous mutation analyses of the Reference Sequence genes in these same tumor types to identify genes and cellular pathways affected by both copy number changes and point alterations. Pathways enriched for genetic alterations include those controlling cell adhesion, intracellular signaling, DNA topological change, and cell cycle control. These analyses provide an integrated view of copy number and sequencing alterations on a genome-wide scale and identify genes and pathways that are useful for cancer diagnosis and therapy.
    • 使用可以可靠地检测纯合缺失和扩增的方法对乳腺和结肠直肠肿瘤的拷贝数变化进行全基因组分析。 通过主要拷贝数变化改变的基因数量 - 全部拷贝的缺失或每个细胞至少12个拷贝的扩增,平均每个肿瘤13个。 这些数据与这些相同肿瘤类型中的参考序列基因的先前突变分析相结合,以鉴定受拷贝数变化和点改变影响的基因和细胞途径。 富含遗传改变的途径包括控制细胞粘附,细胞内信号转导,DNA拓扑变化和细胞周期控制的途径。 这些分析提供了在全基因组范围内的拷贝数和排序变化的综合视图,并确定了可用于癌症诊断和治疗的基因和途径。
    • 10. 发明申请
    • Antisense Transcriptomes of Cells
    • 细胞反义转录组
    • US20120009573A1
    • 2012-01-12
    • US13131413
    • 2009-12-02
    • Bert VogelsteinKenneth W. KinzlerYiping HeVictor VelculescuNickolas Papadopoulos
    • Bert VogelsteinKenneth W. KinzlerYiping HeVictor VelculescuNickolas Papadopoulos
    • C12Q1/68
    • C12Q1/6844G06F19/22C12Q2539/113C12Q2523/125C12Q2521/107
    • Transcription in mammalian cells can be assessed at a genome-wide level, but it has been difficult to reliably determine whether individual transcripts are derived from the Plus- or Minus-strands of chromosomes. This distinction can be critical for understanding the relationship between known transcripts (sense) and the complementary antisense transcripts that may regulate them. Here we describe a technique that can be used to (i) identify the DNA strand of origin for any particular RNA transcript and (ii) quantify the number of sense and antisense transcripts from expressed genes at a global level. We examined five different human cell types and in each case found evidence for antisense transcripts in 2900 to 6400 human genes. The distribution of antisense transcripts was distinct from that of sense transcripts, was non-random across the genome, and differed among cell types. Anti-sense transcripts thus appear to be a pervasive feature of human cells, suggesting that they are a fundamental component of gene regulation.
    • 哺乳动物细胞中的转录可以在全基因组范围内进行评估,但是难以可靠地确定个体转录本是否衍生自染色体的加号或阴影链。 这种区别对于了解已知转录物(有义)和可能调节它们的互补反义转录物之间的关系可能是至关重要的。 在这里,我们描述了一种可用于(i)识别任何特定RNA转录物的DNA链起源的技术,(ii)在全球范围内量化来自表达基因的正义和反义转录本的数量。 我们检查了五种不同的人类细胞类型,并且在每种情况下都发现2900至6400个人类基因中的反义转录物的证据。 反义转录物的分布与有义转录物的分布不同,在基因组中是非随机的,并且在细胞类型之间不同。 因此,反义转录物似乎是人类细胞的普遍特征,表明它们是基因调控的基本组成部分。