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    • 3. 发明申请
    • 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
    • US20020165202A1
    • 2002-11-07
    • US09951198
    • 2001-09-13
    • The Regents of the University of California
    • Dennis A. CarsonHoward Cottam
    • A61K031/675A61K031/522A61K031/519A61K031/4745C07D473/28C07D487/04C07F009/6512
    • 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-null 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-null) 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。