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    • 5. 发明授权
    • Methods and compositions for the detection of Addison's disease
    • 用于检测艾迪生病的方法和组合物
    • US5376533A
    • 1994-12-27
    • US066281
    • 1993-05-24
    • Noel K. MaclarenYao H. Song
    • Noel K. MaclarenYao H. Song
    • G01N33/564G01N33/573
    • G01N33/564G01N33/573Y10S436/811
    • An epitope of 21-hydroxylase has been identified which specifically reacts with autoantibodies to 21-hydroxylase. This epitope immunoreacts with anti-adrenocortical autoantibodies characteristically present in patients having autoimmune Addison's disease. The peptide can be used in a specific, sensitive immunoassay for the detection of these autoantibodies in the diagnosis of Addison's disease. The immunoassay permits the diagnosis of autoimmune Addison's disease and has considerable value in the screening of persons at risk. Persons in the early phases or at clinical onset of any kind of adrenocortical disease can also be screened to exclude Addison's disease as a cause.
    • 已经鉴定了21-羟化酶的表位,其与21-羟化酶的自身抗体特异性反应。 与具有自身免疫性艾迪生氏病的患者相比,该表位与抗肾上腺皮质自身抗体具有特异性的免疫反应。 该肽可用于特异性,敏感的免疫测定中,用于检测这些自身抗体以诊断艾迪生病。 免疫测定允许诊断自身免疫性艾迪生病,并且在筛查处于危险中的人中具有相当的价值。 任何类型的肾上腺皮质疾病的早期阶段或临床发作的人员也可以筛选出排除艾迪生病的原因。
    • 10. 发明授权
    • Autoantibodies in patients with acquired hypoparathyroidism and assay
method therefor
    • US5723343A
    • 1998-03-03
    • US519905
    • 1995-08-28
    • Noel K. MaclarenYao-Huo Song
    • Noel K. MaclarenYao-Huo Song
    • G01N33/53A61K31/00A61K38/00A61K38/22A61K39/00A61K39/395A61P5/00A61P5/18C07K14/47C07K14/705C07K16/18C12N5/00C12N5/10C12N15/09C12P21/02C12R1/91G01N33/564G01N33/531G01N33/567
    • C07K14/4713C07K16/18A61K38/00
    • Acquired hypoparathyroidism (AH) occurs frequently as a component of type I autoimmune polyglandular disease (APS-I) or as a sporadic isolated disease in adults. Whereas autoantibodies to the parathyroid glands have been reported in AH, their very existence remains controversial. We report here the detection of autoantibodies as identified through immunoblotting using sera from AH patients. The antibodies were specific to parathyroid autoantigens obtained through differential centrifugation of fresh human hypercellular parathyroid glands, obtained shortly after their surgical removal for tertiary hyperparathyroidism in patients with renal failure. Autoantibodies were detected against several parathyroid specific proteins in the 17 AH sera tested. Twelve (70%) reacted to a protein of 70 kDa, while 16 (94%) reacted to a protein of 80 kDa, and 3 (18%) reacted to a protein of 120-140 kDa, respectively. The 70 and 80 kDa proteins were localized to the cytosolic fraction of the parathyroid extract, and the 120-140 kDa protein to the membrane fraction. The autoantibodies were also detectable using a dog parathyroid gland as an antigen source. However, they could not be identified using cultured human melanocytes or in rat pituitary cells as antigen sources. Sera from 50 patients with various other autoimmune diseases as well as 22 normal controls were also tested, and none reacted with any of the above specific parathyroid proteins. It is concluded that autoantibodies to 3 major autoantigens in the human parathyroid gland extract have been detected in AH patients. Furthermore, our data indicates that the 120-140 kDa autoantigen is the calcium sensing receptor and that the reactive epitope largely resides in its extracellular domain. These data confirm the autoimmune nature of AH, and the invention provides a method for detecting AH or propensity for AH as well as a method for treating AH.