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    • 7. 发明授权
    • Anti-LTNF for in vitro assay of biological toxins
    • 抗LTNF用于体外测定生物毒素
    • US06936423B1
    • 2005-08-30
    • US09300612
    • 1999-04-27
    • Binie V. LippsFrederick W. Lipps
    • Binie V. LippsFrederick W. Lipps
    • A61K38/10C07K7/08C07K14/47G01N33/53G01N33/569
    • G01N33/5308G01N2333/315G01N2333/33G01N2333/43521G01N2333/4613Y10S530/829Y10S530/83
    • Lethal Toxin Neutralizing Factor has been isolated in purity from opossum serum by high pressure liquid chromatography (HPLC) fractionation. The amino acid sequence from the N-terminal for the first fifteen amino acids of LTNF-n is: Leu Lys Ala Met Asp Pro Thr Pro Pro Leu Trp Ile Lys Thr Glu. Antibodies to LTNF-n and synthetic peptides consisting of fifteen, ten and five amino acids from the N-terminal of the above sequence, designated as LTNF-15, LTNF-10 and LTNF-5 were produced by immunizing Balb/C mice to produce Anti-LTNF-n, Anti-LTNF-15, Anti-LTNF-10 and Anti-LTNF-5. The anti LTNF-n, anti-LTNF-15, anti-LTNF-10 and anti-LTNF-5 react immunologically with all types of toxins derived from animal, plant and bacteria and can be assayed by immunological in vitro test such as ELISA tests. Anti-LTNFs react roughly proportional to lethal dose of biological toxins under in vitro immunological ELISA test similar to the mouse bioassay test. This property of anti-LTNFs can be utilized to replace the use of animals for bioassay of toxins from animal, plant and bacteria. Anti-LTNFs can be polyclonal raised in animals or monoclonal made in hybridomas. Anti-LTNFs can be used in crude form for immunological in vitro testing. However, purified IgG from the anti LTNFs is most desirable for consistent results from the in vitro tests. In general, the in vitro use of Anti-LTNFs is a replacement for animal use as is currently required for the assay of biological toxins.
    • 致死毒素中和因子已经通过高压液相色谱(HPLC)分级从负鼠血清中纯化出来。 来自LTNF-n的前15个氨基酸的N-末端的氨基酸序列是:Leu Lys Ala Met Asp Pro Thr Pro Pro Leu Trp Ile Lys Thr Glu。 通过免疫Balb / C小鼠产生LTNF-n的抗体和由上述序列的N末端组成的15个,10个和5个氨基酸的合成肽,称为LTNF-15,LTNF-10和LTNF-5,产生 抗LTNF-n,抗LTNF-15,抗LTNF-10和抗LTNF-5。 抗LTNF-n,抗LTNF-15,抗LTNF-10和抗LTNF-5与来源于动物,植物和细菌的所有类型的毒素进行免疫反应,并且可以通过免疫学体外测试如ELISA测试 。 类似于小鼠生物测定试验,抗LTNFs在体外免疫ELISA测试下与生物毒素的致死剂量大致成比例。 抗LTNF的这种性质可以用于替代动物用于生物测定来自动物,植物和细菌的毒素的使用。 抗LTNFs可以在动物中产生多克隆或在杂交瘤中制成单克隆抗体。 抗LTNF可以粗制形式用于免疫体外测试。 然而,来自抗LTNF的纯化的IgG对于来自体外测试的一致结果是最理想的。 一般来说,抗LTNF的体外应用是目前生物毒素测定所需的动物用途的替代物。
    • 8. 发明授权
    • Activated protein C resistance test
    • 活化蛋白C电阻测试
    • US6051434A
    • 2000-04-18
    • US776897
    • 1997-04-24
    • Thomas Exner
    • Thomas Exner
    • G01N33/86
    • G01N33/86G01N2333/4613G01N2333/4616G01N2333/96444G01N2333/96461G01N2333/96463Y10T436/25
    • The method for determining functional activity of protein C in a human plasma sample includes incubating the human plasma sample with exogenous reagents that activate factor V and a common pathway of the blood coagulation mechanism through factor X, with activated exogenous protein C and with components that are necessary for efficient clotting of the human plasma sample, or incubating the human plasma sample with exogenous reagents that induce the presence of thrombin in a factor V dependent manner, with activated exogenous protein C and with components that are necessary for efficient clotting of the human plasma sample; monitoring a reaction indicative of a potential rate of coagulation of the plasma sample and comparing the resulting potential rate of coagulation with an equivalent rate for normal patient, or comparing the resulting potential rate of coagulation with an equivalent rate determined for the plasma sample in the absence of activated exogenous protein C; and determining the functional activity of the free protein C from this comparison.
    • PCT No.PCT / AU95 / 00474 Sec。 371日期1997年04月24日 102(e)日期1997年4月24日PCT提交1995年8月7日PCT公布。 公开号WO96 / 04560 日期1996年2月15日人血浆样品中蛋白C的功能活性测定方法包括通过激活的外源蛋白C将人血浆样品与激活因子V的外源试剂和通过因子X的凝血机制的共同途径进行孵育 以及用于有效凝固人血浆样品所必需的成分,或用活化的外源蛋白C以及有效成分所必需的成分,以以因子V依赖性方式诱导凝血酶存在的外源试剂孵育人血浆样品 人血浆样品凝结; 监测指示血浆样品的潜在凝血速率的反应并将所得到的潜在凝血速率与正常患者的等效速率进行比较,或将所得到的潜在凝血速率与在不存在的血浆样品中测定的等效速率进行比较 的活化外源蛋白C; 并从该比较中确定游离蛋白C的功能活性。