Abstract:
A method for selectively inhibiting a kinase is disclosed, which comprises contacting a composition containing a kinase with a compound of formula (I), wherein: R1 is lower alkyl, lower hydrocarbyl, aryl lower alkyl, heteroaryl lower alkyl, 5- or 6-membered heterocyclic aromatic, polyaromatic, polyaromatic carbonyl, polyheteroaromatic or polyheteroaromatic carbonyl; R2 is lower alkyl, lower hydrocarbyl, aryl lower alkyl, heteroaryl lower alkyl, 5- or 6-membered heterocyclic aromatic, lower hydrocarboyl, 5- or 6-membered heterocyclic aromatic carbonyl, polyaromatic or polyheteroaromatic; R3 is H or lower alkyl; R5 is H, lower alkyl, lower hydrocarbyl, aryl lower alkyl, heteroaryl lower alkyl, 5- or 6-membered heterocyclic aromatic, halogen, or cyano; and R6 is H or lower hydrocarboyl.
Abstract translation:公开了选择性抑制激酶的方法,其包括将含有激酶的组合物与式(I)化合物接触,其中:R 1是低级烷基,低级烃基,芳基低级烷基,杂芳基低级烷基,5-或6- 多芳基,多芳基羰基,多杂芳基或多杂芳基羰基; R 2是低级烷基,低级烃基,芳基低级烷基,杂芳基低级烷基,5-或6-元杂环芳族,低级烃基,5-或6-元杂环芳族羰基,多芳族或多杂芳族; R3是H或低级烷基; R5是H,低级烷基,低级烃基,芳基低级烷基,杂芳基低级烷基,5-或6-元杂环芳族,卤素或氰基; R6为H或低级烃基。
Abstract:
The DNA encoding the cell surface receptor for thrombin has been cloned and sequenced. The availability of this DNA permits the recombinant production of thrombin receptor which can be produced at cell surfaces and is useful in assay systems both for the detection of thrombin and for the evaluation of candidate thrombin agonists and antagonists. Further, the elucidation of the structure of the thrombin receptor permits the design of agonist and antagonist compounds which are useful diagnostically and therapeutically. The availability of the thrombin receptor also permits production of antibodies specifically immunoreactive with the receptor per se or with specific regions thereof which are also useful diagnostically or therapeutically.
Abstract:
Novel compounds, their salts and compositions related thereto having activity against mammalian factor Xa are disclosed. The compounds of formula (I) are useful in vitro or in vivo for preventing or treating coagulation disorders.
Abstract:
Novel compounds, their salts and compositions related thereto having activity against mammalian factor Xa are disclosed. The compounds are useful in vitro or in vivo for preventing or treating coagulation disorders.
Abstract:
Novel compounds, their salts and compositions related thereto having activity against mammalian factor Xa are disclosed. The compounds are useful in vitro or in vivo for preventing or treating coagulation disorders.
Abstract:
Novel compound, their salts and compositions related thereto having activity against mammalian factor Xa are disclosed. The compounds are useful in vitro or in vivo for preventing or treating coagulation disorders.
Abstract:
Nucleic acid molecules encoding the C140 cell surface receptor have been cloned and sequenced. The availability of C140 receptor DNA permits the recombinant production of the C140 receptor which can be produced on the surface of a cell, including an oocyte. The nucleic acid molecules are useful in an assay for detecting a substance which affects C140 receptor activity, either receptor agonists or antagonists. Further, the elucidation of the structure of the C140 receptor permits the design of agonist and antagonist compounds which are useful in such assays. The availability of the C140 receptor also permits production of antibodies specifically immunoreactive with one or more antigenic epitopes of the C140 receptor.
Abstract:
Platelet antiadhesives (PAA) which are useful as antithrombotics are obtainable from snake venoms which have been identified using an assay which measures the ability of the venom to inhibit ristocetin- or botrocetin-induced agglutination of platelets in the presence of von Willebrand Factor. The antiadhesives of the invention are 20-24 kd dimers of smaller peptides, or effective portions thereof. Antibodies to these antiadhesives are also prepared and are useful in assays for PAA and for screening expression libraries for PAA encoding DNA.
Abstract:
An assay for screening snake venom for the presence or absence of platelet aggregation inhibitors (PAIs) based on specific receptor binding is described. Using this assay, the identification and characterization of PAIs in a wide range of snake venom samples was accomplished. The isolated and purified PAI from several of these active snake venoms is described and characterized. In addition, PAIs lacking the Arg-Gly-Asp (RGD) adhesion sequence but containing K* -(G/Sar)-D wherein K* is a modified lysyl residue of the formula R 2 N(CH2)4CHNHCO- wherein each R is independently H, alkyl(1-6C) or at most one R is R -C=NR wherein R is H, alkyl(1-6C), phenyl or benzyl, or is NR in which each R is independently H or alkyl(1-6C) and R is H, alkyl(1-6C), phenyl or benzyl, or R -C=NR is a radical selected from the group consisting of (a), (b), (c) and (d) where m is an integer of 2-3, and each R is independently H or alkyl(1-6C); and wherein one or two (CH2) may be replaced by O or S provided said O or S is not adjacent to another heteroatom are prepared and shown to specifically inhibit the binding of fibrinogen or von Willebrand Factor to GP IIb-IIIa.