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    • 2. 发明授权
    • Compounds for inhibition of ceramide-mediated signal transduction
    • 用于抑制神经酰胺介导的信号转导的化合物
    • US06323201B1
    • 2001-11-27
    • US08858778
    • 1997-05-19
    • Dennis A. CarsonHoward Cottam
    • Dennis A. CarsonHoward Cottam
    • C07D41306
    • C07D239/545C07D213/76C07D217/24C07D239/96C07D473/06C07D473/10C07D475/02C07D513/04
    • Novel, heterocyclic compounds having at least one ring nitrogen, disclosed side chains and, in some embodiments, an oxygen ortho to the ring nitrogen inhibit inflammatory responses associated with TNF-&agr; and fibroblast proliferation in vivo and in vitro. The compounds of the invention neither appreciably inhibit the activity of cAMP phosphodiesterase nor the hydrolysis of phosphatidic acid, and are neither cytotoxic nor cytostatic. Preferred compounds of the invention are esters. Methods for the use of the novel compounds to inhibit ceramide-mediated intracellular responses in stimuli in vivo (particularly TN-&agr;) are also described. The methods are expected to be of use in reducing inflammatory responses (for example, after angioplasty), in limiting fibrosis (for example, of the liver in cirrhosis), in inhibiting cell senescence, cell apoptosis and UV induced cutaneous immune suppression. Compounds having enhanced water solubility are also described.
    • 新颖的,具有至少一个环氮的杂环化合物,在一些实施方案中,环氮原子上的氧被抑制与体内和体外TNF-α和成纤维细胞增殖相关的炎性反应。 本发明的化合物既不明显地抑制cAMP磷酸二酯酶的活性也不抑制磷脂酸的水解,既不是细胞毒性的也不是细胞抑制的。 本发明优选的化合物是酯。 还描述了使用新化合物抑制体内刺激中神经酰胺介导的细胞内应答的方法(特别是TN-α)。 预期这些方法可用于减少炎症反应(例如血管成形术后),限制纤维化(例如肝硬化),抑制细胞衰老,细胞凋亡和UV诱导的皮肤免疫抑制。 还描述了具有增强的水溶性的化合物。
    • 9. 发明授权
    • Method for early diagnosis of, and determination of prognosis in, cancer
    • 癌症早期诊断和预后评估方法
    • US06576420B1
    • 2003-06-10
    • US09335231
    • 1999-06-17
    • Dennis A. CarsonMathias SchmidCarlos J. Carrera
    • Dennis A. CarsonMathias SchmidCarlos J. Carrera
    • C12Q168
    • C12Q1/6886C12Q2600/112
    • The invention provides a method for diagnosis of, and determining a prognosis for, cancer causatively associated with derangements of chromosome 9p21. Underlying the invention is the discovery that such derangements have their genesis in deletions occurring centromeric to STS 3.21, most often including breakpoints in exon 8 and/or between exons 4 and 5 of the gene which codes for methylthioadenosine phosphorylase. As the cancer and tumor development advance, deletions in 9p21 progress centromerically from the genesis point toward the gene encoding p16. Thus, the method of the invention is performed by determining whether (a) portions of the 9p21 region including and telomeric to STS 3.21 are deleted; and (b) portions of the 9p21 region centromeric to STS 3.21 are deleted; wherein a positive finding in step (a) and a negative finding in step(b) are indicative of a cancer in an early stage of tumor development and a positive finding in step (b) is indicative of a cancer in an advanced stage of tumor development.
    • 本发明提供了用于诊断和确定与9p21染色体紊乱有关的癌症的预后的方法。 本发明的基础是这样的发现,即这种紊乱在其发生着丝粒到STS 3.21的缺失中起源,其中通常包括编码甲硫基腺苷磷酸化酶的基因的外显子8和/或外显子4和5之间的断点。 随着癌症和肿瘤发展的进展,9p21的缺失从成因指向编码p16的基因。 因此,本发明的方法是通过确定(a)是否删除了(a)包括和端粒的9p21区域到STS 3.21的部分; 和(b)9p21区域着丝粒到STS 3.21的部分被删除; 其中步骤(a)中的阳性发现和步骤(b)中的阴性结果指示肿瘤发展早期的癌症,并且步骤(b)中的阳性发现指示肿瘤晚期的癌症 发展。