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    • 5. 发明申请
    • PMN-DERIVED CR3 MODULATOR AND USES THEREOF
    • PMN衍生的CR3调制器及其用途
    • WO1992013865A1
    • 1992-08-20
    • PCT/US1992000960
    • 1992-02-03
    • THE ROCKEFELLER UNIVERSITY
    • THE ROCKEFELLER UNIVERSITYWRIGHT, Samuel, D.HERMANOWSKI-VOSATKA, Anne
    • C07G17/00
    • C07K14/705A61K35/15
    • The invention is concerned with the discovery, isolation and purification of an agent or factor named herein the CR3 modulator or CMF-1 that is synthesized by polymorphonuclear leukocytes (PMN) in response to agonists which enhance CD18 activity. The CR3 modulator binds to CD18 and activates its adhesion-promoting ability. The CR3 modulator appears to be transiently produced by PMN as an acidic amphiphilic lipid. The CR3 modulator can be assayed by adding dilutions of a CR3 modulator-containing solution to resting PMN and observing the ability of CR3 to mediate binding of erythrocytes coated with C3bi (EC3bi). The isolation of the CR3 modulator, its biological and physical properties and diagnostic and therapeutic uses are described.
    • 本发明涉及针对增强CD18活性的激动剂响应由多形核白细胞(PMN)合成的CR3调节剂或CMF-1的药剂或因子的发现,分离和纯化。 CR3调节剂结合CD18并激活其粘附促进能力。 CR3调节剂似乎由PMN瞬时产生,作为酸性两亲性脂质。 可以通过向含有CR3调节剂的溶液中稀释稀释的静息PMN并观察CR3介导用C3bi(EC3bi)涂覆的红细胞结合的能力来测定CR3调节剂。 描述了CR3调节剂的分离,其生物和物理性质以及诊断和治疗用途。