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    • 2. 发明申请
    • FURTHER IMPROVEMENTS RELATING TO DRUG DELIVERY SYSTEMS
    • 关于药物输送系统的进一步改进
    • WO1989010140A1
    • 1989-11-02
    • PCT/GB1989000427
    • 1989-04-21
    • CANCER RESEARCH CAMPAIGN TECHNOLOGY LIMITEDBAGSHAWE, Kenneth, D.ROGERS, Gordon, T.SHARMA, Surinder, K.
    • CANCER RESEARCH CAMPAIGN TECHNOLOGY LIMITED
    • A61K39/395
    • B82Y5/00A61K38/00A61K47/6893A61K47/6898A61K47/6899C07K16/26C07K16/30C07K16/3007C07K16/40
    • A three component system, for use in association with one another, in the treatment of malignant diseases comprises: a first component which is a substance or conjugation of substances characterised by (a) one or more molecular configurations that are complementary to melocular configurations associated with malignant cells, such that the first component tends to localise selectively at sites of malignant cells and (b) additionally by one or more catalytic sites; a second component which is able to bind to such part of the first component so as to inactivate the catalytic site of the first component and/or accelerates the clearance of the first component from the blood when the first and second components are administered clinically and a third component which is a substrate for the catalytic site on the first component, one of the end products of the catalysis being a substance which is more cytotoxic to malignant cells than the third component. The use of the second component reduces the extent to which the cytoxic drug is released from the third component in regions of a patients body remote from the target tumour.
    • 用于治疗恶性疾病的三组分系统包括:第一组分,其是物质或物质的缀合物,其特征在于(a)一种或多种分子构型,其与与 使得第一组分倾向于在恶性细胞的位置选择性定位,和(b)另外还有一个或多个催化位点; 第二组分,其能够结合第一组分的这种部分以使第一组分的催化位点失活和/或当临床施用第一和第二组分时加速第一组分从血液中的清除,并且 第三组分,其是第一组分上催化位点的底物,催化的最终产物之一是对恶性细胞比第三组分更细胞毒性的物质。 第二组分的使用减少了远离目标肿瘤的患者身体区域中细胞毒性药物从第三组分释放的程度。
    • 5. 发明申请
    • SEQUENCE ANALYSIS OF SACCHARIDE MATERIAL
    • 食品材料的序列分析
    • WO1996013606A1
    • 1996-05-09
    • PCT/GB1995002541
    • 1995-10-30
    • CANCER RESEARCH CAMPAIGN TECHNOLOGY LIMITEDGALLAGHER, John, ThomasTURNBULL, Jeremy, EwanHOPWOOD, John, Joseph
    • CANCER RESEARCH CAMPAIGN TECHNOLOGY LIMITED
    • C12Q01/34
    • C12Q1/34G01N2333/924G01N2400/40
    • In a method of analysing saccharide material such as glycosaminoglycans (GAG's) to determine the sequence of monosaccharide units in oligosaccharide chains thereof, the saccharide chains are end referenced, e.g. by labelling or tagging at their reducing ends, and the saccharide material is subjected to a controlled partial depolymerisation using a selective scission reagent, for example low pH nitrous acid, which cleaves internal glycosidic linkages in accordance with a known linkage specificity so as to produce a mixed set of saccharide chain fragments having different lengths ranging throughout the full spectrum of possible lengths for the particular glycosidic linkage specificity of the selective scission reagent employed. Samples of the mixed set of saccharide chain fragments are then treated with selected exoenzymes including exoglycosidases that cleave only particular glycosidic linkages at the non-reducing end of saccharide chains and exosulphatases that selectively remove sulphate groups from monosaccharide residues at the non-reducing end of saccharide chains. These exoenzymes are applied to the samples either singly or in combination in accordance with a predetermined strategy. The treated samples are then analysed, conveniently by polyacrylamide gel electrophoresis (PAGE) to detect the chain fragments present which have a reducing end derived from the reducing end of the corresponding chain in the original saccharide material. Using PAGE, preferably gradient PAGE, the different samples are run in parallel tracks of the gel and a migration banding pattern is obtained that provides information which enables the monosaccharide sequence in the original saccharide material to be deduced.
    • 在分析诸如糖胺聚糖(GAG)等糖类物质以确定其糖链中的单糖单元序列的方法中,糖链为末端参考,例如, 通过在其还原末端标记或标记,并且使用选择性切断试剂(例如低pH亚硝酸)对糖类物质进行受控的部分解聚,所述选择性裂解试剂根据已知的连锁特异性切割内部糖苷键,从而产生 具有不同长度的混合组的糖链片段可以在所用选择性分裂试剂的特定糖苷键特异性的整个可能长度的全谱范围内。 混合的糖链片段的样品然后用选择的外切酶处理,所述外切酶包括外切酶,其仅在糖链的非还原末端处切割特定的糖苷键,并且在糖的非还原末端选择性地从单糖残基中除去硫酸根基团 链。 这些外酶根据预定的策略单独或组合应用于样品。 然后通过聚丙烯酰胺凝胶电泳(PAGE)方便地分析经处理的样品,以检测存在的链段,其具有衍生自原始糖类材料中相应链的还原末端的还原末端。 使用PAGE,优选梯度PAGE,不同的样品在凝胶的平行轨道中运行,并且获得提供能够推导原始糖类材料中的单糖序列的信息的迁移条带图案。