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    • 3. 发明申请
    • ENCAPSULATION SYSTEM
    • 封装系统
    • US20090269313A1
    • 2009-10-29
    • US12373870
    • 2007-07-19
    • Jerry L. Nadler
    • Jerry L. Nadler
    • A61K35/12A61P3/10
    • A61K35/39
    • An encapsulation system for use in the treatment of diabetes (Types 1 or 2, and LADA) are provided. The system has (1) a delivery vehicle comprising a selectively permeable membrane that allows passage of glucose, insulin and other nutrients through the membrane, but prevents large molecules such as antibodies or inflammatory cells from passing through the membrane; (2) a population of islet cells or insulin producing cells encapsulated by said membrane; and (3) a biological response modifier that may be in contact with the membrane or encapsulated by the membrane. Generally, the biological response modifier is a compound, including resolved enantiomers, diastereomers, tautomers, salts and solvates thereof, having the following formula: wherein: X, Y and Z are independently selected from a member of the group consisting of C(R3), N, N(R3) and S; R1 is selected from a member of the group consisting of hydrogen, methyl, C(5-9)alkyl, C(5-9)alkenyl, C(5-9)alkynyl, C(5-9)hydroxyalkyl, C(3-8)alkoxyl, C(5-9)alkoxyalkyl, the R1 being optionally substituted; R2 and R3 are independently selected from a member of the group consisting of hydrogen, halo, oxo, C(1-20)alkyl, C(1-20)hydroxyalkyl, C(1-20)thioalkyl, C(1-20)alkylamino, C(1-20)alkylaminoalkyl, C(1-20)aminoalkyl, C(1-20)aminoalkoxyalkenyl, C(1-20)aminoalkoxyalkynyl, C(1-20)diaminoalkyl, C(1-20)triaminoalkyl, C(1-20)tetraaminoalkyl, C(5-15)aminotrialkoxyamino, C(1-20)alkylamido, C(1-20)alkylamidoalkyl, C(1-20)amidoalkyl, C(1-20)acetamidoalkyl, C(1-20)alkenyl, C(1-20)alkynyl, C(3-8)alkoxyl, C(1-11)alkoxyalkyl, and C(1-20)dialkoxyalkyl.
    • 提供了一种用于治疗糖尿病的包封系统(1型或2型和LADA型)。 该系统具有(1)包含选择性渗透膜的输送载体,其允许葡萄糖,胰岛素和其它营养物通过膜,但是阻止大分子例如抗体或炎性细胞通过膜; (2)由所述膜包封的胰岛细胞群体或产生胰岛素的细胞群; 和(3)可以与膜接触或被膜包封的生物反应调节剂。 通常,生物反应调节剂是具有下列结构式的拆分的对映异构体,非对映异构体,互变异构体,盐和溶剂化物的化合物:其中:X,Y和Z独立地选自C(R3) ,N,N(R3)和S; R 1选自氢,甲基,C(5-9)烷基,C(5-9)烯基,C(5-9)炔基,C(5-9)羟基烷基,C(3) -8)烷氧基,C(5-9)烷氧基烷基,R1任选被取代; R 2和R 3独立地选自氢,卤素,氧代,C(1-20)烷基,C(1-20)羟基烷基,C(1-20)硫代烷基,C(1-20) 烷基氨基,C(1-20)烷基氨基烷基,C(1-20)氨基烷基,C(1-20)氨基烷氧基烯基,C(1-20)氨基烷氧基炔基,C(1-20)二氨基烷基,C(1-20) C 1-20 1-20烷基氨基烷基,C(1-20)烷基氨基烷基,C(1-20)氨基烷基,C(1-20)乙酰氨基烷基,C(1-20) 1-20)烯基,C(1-20)炔基,C(3-8)烷氧基,C(1-11)烷氧基烷基和C(1-20)二烷氧基烷基。
    • 9. 发明授权
    • Pentoxifylline, pioglitazone and metformin are inhibitors of formation of advanced glycation endproducts (AGE's)
    • 己酮可可碱,吡格列酮和二甲双胍是形成晚期糖基化终末产物(AGE)的抑制剂
    • US06693106B2
    • 2004-02-17
    • US10096579
    • 2002-03-14
    • Samuel RahbarJerry L. Nadler
    • Samuel RahbarJerry L. Nadler
    • A61K31522
    • A61K31/196A61K31/155A61K31/198A61K31/4439A61K31/522A61K31/606
    • Pentoxifylline, pioglitazone and metformin have been found to inhibit the nonenzymatic glycation of proteins which often results in formation of advanced glycation endproducts and crosslinks. The nonenzymatic glycation and crosslinking of proteins is a part of the aging process with the glycation endproducts and crosslinking of long-lived proteins increasing with age. This process is increased at elevated concentrations of reducing sugars in the blood and in the intracellular environment such as occurs with diabetes. The structural and functional integrity of the affected molecules become perturbed by these modifications and can result in severe consequences. The compounds of the present invention can be used to inhibit this process of nonenzymatic glycation and therefore to inhibit some of the ill effects caused by diabetes or by aging. The compounds are also useful for preventing premature aging, rheumatoid arthritis, Alzheimer's disease, uremia, neurotoxicity, atherosclerosis and spoilage of proteins in food and can prevent discoloration of teeth.
    • 已经发现己酮可可碱,吡格列酮和二甲双胍抑制蛋白质的非酶糖基化,这通常导致晚期糖基化终产物和交联的形成。 蛋白质的非酶糖基化和交联是衰老过程的一部分,其中长寿命蛋白质的糖基化终产物和交联随年龄增长。 在血液中和细胞内环境中还原糖浓度升高时,如糖尿病发生,该过程增加。 受影响的分子的结构和功能完整性受到这些修饰的干扰,并可能导致严重后果。 本发明的化合物可用于抑制非酶糖基化的方法,并因此抑制由糖尿病或老化引起的一些不良作用。 该化合物还可用于预防过早衰老,类风湿性关节炎,阿尔茨海默病,尿毒症,神经毒性,动脉粥样硬化和食物中蛋白质的变质,并可防止牙齿变色。