A METHOD OF GENOTYPING BLOOD CELL ANTIGENS AND KIT SUITABLE FOR GENOTYPING BLOOD CELL ANTIGENS
    5.
    发明授权
    A METHOD OF GENOTYPING BLOOD CELL ANTIGENS AND KIT SUITABLE FOR GENOTYPING BLOOD CELL ANTIGENS 有权
    血细胞分型研究抗原和基因分型试剂盒法

    公开(公告)号:EP1730311B1

    公开(公告)日:2010-09-15

    申请号:EP05729402.7

    申请日:2005-03-31

    IPC分类号: C12Q1/68

    CPC分类号: C12Q1/6827 C12Q1/686

    摘要: A method of genotyping blood cell antigens comprising subjecting DNA from an individual of a mammalian species to a multiplex Polymerase Chain Reaction (PCR) to amplify and detectably label a region of the locus of at least two different blood cell antigens which contains the site of nucleotide polymorphism of said blood cell antigen and using the thus amplified and labeled DNA fragments to determine the genotype for each of said blood cell antigens. The multiplex PCR comprises the use of at least one pair of blood cell antigen-specific chimeric primers for each blood cell antigen to be genotyped and at least one detectably labeled universal primer, preferably a pair of detectably labeled universal primers. The universal primer(s) have a unique sequence not occurring in the DNA of said mammalian species. Each chimeric primer pair comprises a left chimeric primer and a right chimeric primer, each of them comprising a blood cell antigen-specific part at the 3' end and a universal part at the 5' end. The base sequence of the universal part of the chimeric primers corresponds to the base sequence of said at least one universal primer. The blood cell antigen-specific parts of the chimeric primer pair enclose a region of the locus of the blood cell antigen which contains the site of nucleotide polymorphism of said blood cell antigen. A kit for genotyping blood cell antigens by this method. A set of blood cell antigen-specific chimeric primer pairs and a set of blood cell antigen allele-specific oligonucleotide probes.

    Method to reduce false positive outcomes in prion assays
    7.
    发明公开
    Method to reduce false positive outcomes in prion assays 审中-公开
    在Prionenassays,Verfahren zum Reduzieren von falsch-positiven Ergebnissen

    公开(公告)号:EP1382690A1

    公开(公告)日:2004-01-21

    申请号:EP02077909.6

    申请日:2002-07-17

    IPC分类号: C12Q1/37 G01N33/68

    摘要: This invention relates to the field of prion diseases. A method is provided to reduce false positive outcomes in a test by monitoring the activity of a proteolytic enzyme in a test sample comprising providing the test sample with a substrate and contacting the enzyme with said substrate to allow conversion of the substrate by the enzyme into a detectable product and detecting said product. Use of a method according to the invention can improve the reliability of prion tests.

    摘要翻译: 本发明涉及朊病毒疾病领域。 提供了一种通过监测测试样品中的蛋白水解酶的活性来减少测试中的假阳性结果的方法,包括向测试样品提供底物并使酶与所述底物接触以允许通过酶将底物转化为 可检测的产品并检测所述产品。 使用根据本发明的方法可以提高朊病毒试验的可靠性。

    Inhibition of contact system activation
    8.
    发明公开
    Inhibition of contact system activation 失效
    Hemmung der Kontaktsystem-Aktivierung

    公开(公告)号:EP0982397A1

    公开(公告)日:2000-03-01

    申请号:EP98202181.8

    申请日:1998-06-29

    IPC分类号: C12N9/64 A61K38/38

    摘要: Novel inhibitors of the contact system were developed by a) the discovery that the sequence encompassing the amino acid residues 39 to 47 of the heavy chain region of human FXII contributes to the binding of FXII to activators such as negatively charged surfaces; and b) the demonstration that peptides mimicking this identified sequence inhibit the binding of FXII to activators and prevent contact system activation in human plasma. These novel contact system inhibitors may be applied to prevent activation of the contact system of blood by artificial surfaces, or used as anti-inflammatory drug for the prophylactic or therapeutic treatment of human or animal diseases.

    摘要翻译: 开发了接触系统的新型抑制剂:a)发现包含人FXII重链区域的氨基酸残基39至47的序列有助于FXII与活化剂如带负电荷的表面的结合; 和b)证明模仿该鉴定的序列的肽抑制FXII与激活剂的结合并防止人血浆中的接触系统活化。 这些新颖的接触系统抑制剂可以用于防止人造表面对血液接触系统的活化,或用作抗炎药物用于预防或治疗人或动物疾病。

    METHODS AND MEANS FOR MODIFYING COMPLEMENT ACTIVATION
    9.
    发明公开
    METHODS AND MEANS FOR MODIFYING COMPLEMENT ACTIVATION 失效
    的方法和手段来影响补

    公开(公告)号:EP0920502A1

    公开(公告)日:1999-06-09

    申请号:EP97935896.0

    申请日:1997-08-11

    CPC分类号: C07K14/70596 A61K38/00

    摘要: CD97 is an activation-induced antigen on leucocytes with a seven-span transmembrane (7-TM) region homologous to the secretin receptor superfamily. However, in contrast to this group of peptide hormone receptors, CD97 has an extended extracellular region with three EGF domains at the N-terminus, two of them with a calcium binding site. Lymphocytes and erythrocytes specifically adhere to CD97-transfected COS cells which is blocked by a monoclonal antibody (mAb) directed to the N-terminal short consensus repeat (SCR) of decay accelerating factor (DAF, CD55), a regulatory protein of the complement cascade. Erythrocytes that lack CD55, obtained from patients with paroxysmal nocturnal hemoglobinuria (PNH) or the CD55- phenotype Inab, failed to adhere to CD97 transfectants. The invention provides methods and means to interfere in the binding of CD97 and CD55. This will be especially useful in xenotransplant medicine where CD55 is used to down regulate the complement activation pathway.