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LetterToEditor Article

Kits for the quantitative assay of chorionic gonadotrophin

Pages 299-302 | Received 12 Oct 1987, Accepted 20 Oct 1987, Published online: 05 Aug 2009

References

  • Lindstedt G, Lundberg PA, Hedman LA. Circulating choriogonadotropin β subunit in a patient with primary amenorrhea and embryonal ovarian carcinoma. Clin Chim Acta 1980; 104: 195–200
  • Kardon FM, Krikorian JG, Lopez JA, White RV. Errors in measurement and reporting of serum markers in patients with germ cell tumors. Urol 1982; 10: 476–8
  • Filstein MR, Cullinan JA, Strauss JF. Aberrant results of serum β-human chorionic gonadotropin assays: an infrequent but vexing problem. Fertil Steril 1983; 39: 714–6
  • Garret PS, Kurtz SR, Hurd JK, Jr. False-positive results for choriogonadotropin in serum. Clin Chem 1983; 29: 1871
  • Dericks-Tan J, Taubert HD. Aberrant β-hCG. Fertil Steril 1984; 41: 488–9
  • Rzasa PJ, Caride VJ, Prokop EK. Discordant inter-kit results in the radioimmunoassay for choriogonadotropin in serum. Clin Chem 1984; 30: 1240–3
  • Hussa RO. Procedure for discordant hCG results. Clin Chem 1984; 30: 809–10
  • Hussa RO, Cole LA. New horizons in hCG detection. Adv Exp Med Biol 1984; 176: 217–43
  • Thomas CMG, Segers MFG. Discordant results for choriogonadotropin: A problem caused by lutropin β-subunit interference?. Clin Chem 1985; 31: 159
  • Musch K, Wolf AS, Lauritzen C. Antibodies to human chorionic gonadotropin in humans. Clin Chim Acta 1981; 113: 95–100
  • Aakvaag A, Holmberg H, Lindstedt G, Møller J, Weber T, Leskinen E, Nyberg A. A survey of diagnostic kits for the evaluation of thyroid function. 1982, XVII Nordic Congress in Clinical Chemistry and Clinical Physiology, Reykjavik, 1981. Helsinki: The Finnish Government Printing Center
  • Aakvaag A, Holmberg H, Lindstedt G, Møller J, Weber T, Leskinen E, Nyberg A. A survey of diagnostic kits for the assay of progesterone and prolactin available on the Nordic market. The Finnish Government Printing Center, Helsinki 1983
  • Aakvaag A, Holmberg H, Leskinen E, Lindstedt G, Møller J, Nyberg A, Weber T. Editorial: Diagnostic reagent kits—embarras de richesse. Scand J Clin Lab Invest 1983; 43: 99–101
  • Aakvaag A, Holmberg H, Leskinen E, Lindstedt G, Møller J, Nyberg A, Weber T. A survey of diagnostic kits available on the Nordic market for the evaluation of thyroid function (II). The Finnish Government Printing Center, Helsinki 1984
  • Aakvaag A, Leskinen H, Lindstadt G, Møller J, Nyberg A, Weber T. The use of kits in clinical laboratories. Scand J Clin Lab Invest 1985; 45: 573–6
  • Tyrey L, Hammond CB. The HCG- β-subunit radioimmunoassay: Potential error in HCG measurement related to the choice of labelled antigen. Am J Obstet Gynecol 1976; 125: 160–5
  • Thomas CMG, Segers MFG, Houx PCW. Comparison of the analytical characteristics and clinical usefulness in tumour monitoring of fifteen hCG(-β) immunoassay kits. Ann Clin Biochem 1985; 22: 236–46
  • Ehrlich PH, Moyle WR. Cooperative immunoassays: ultrasensitive assays with mixed monoclonal antibodies. Science 1983; 221: 279–81
  • Armstrong EG, Ehrlich PH, Birken S, Schlatterer JP, Siris E, Hembree WC, Canfield RE. Use of a highly sensitive and specific immunoradiometric assay for detection of human chorionic gonadotropin in urine of normal, nonpregnant, and pregnant individuals. J Clin Endocrinol Metab 1984; 59: 867–74
  • Boscato LM, Egan G, Stuart MC. Covert cross reactants in a two-site immunoassay studied with monoclonal antibodies. Anal Biochem 1985; 146: 393–401
  • Norman RJ, Poulton T, Gard T, Chard T. Monoclonal antibodies to human chorionic gonadotropin: implications for antigenic mapping, immunoradiometric assays, and clinical applications. J Clin Endocrinol Metab 1985; 61: 1031–8
  • Schwartz S, Berger P, Wick G. Epitope-selective, monoclonal-antibody-based immunoradiometric assays of predictable specificity for differential measurement of choriogonadotropin and its sub-units. Clin Chem 1985; 31: 1322–8
  • Bellet DH, Ozturk M, Bidart J-M, Bohuon CJ, Wands JR. Sensitive and specific assay for human chorionic gonadotropin (hCG) based on anti-peptide and anti-hCG monoclonal antibodies: construction and clinical implications. J Clin Endocrinol Metab 1986; 63: 1319–27
  • Boscato LM, Stuart MC. Incidence and specificity of interference in two-site immunoassays. Clin Chem 1986; 32: 1491–5
  • Chandler HM, Fuller SA, Nakagawa CH, Nagainis PA, Hurrell JGR. An accelerated enzyme immunoassay for human choriogonadotropin in urine, involving reflow of specimen through capillary tubes. Clin Chem 1987; 33: 498–501
  • Norman RJ, Haneef R, Buck RH, Joubert SM. Measurement of the free alpha subunit of human glycoprotein hormones by a monoclonal antibody-based immunoradiometric assay, and further exploration of antigenic sites on the choriogonadotropin molecule. Clin Chem 1987; 33: 1147–51
  • Ozturk M, Bellet D, Manil L, Henne G, Frydman R, Wands J. Physiological studies of human chorionic gonadotropin (hCG), αhCG, and βhCG as measured by specific monoclonal immunoradiometric assays. Endocrinology 1987; 120: 549–58
  • Stenman U-H, Alfthan H, Ranta T, Vartiainen E, Jalkanen J, Seppälä M. Serum levels of human chorionic gonadotropin in nonpregnant women and men are modulated by gonadotropin-releasing hormone and sex steroids. J Clin Endocrinol Metab 1987; 64: 730–6
  • Bangham DR, Storring PL. Standardisation of human chorionic gonadotropin. HCG subunits, and pregnancy tests. Lancet 1982; 1: 390
  • Storring PL, Gaines-Das RE, Bangham DR. International reference preparation of human chorionic gonadotrophin for immunoassay: potency estimates in various bioassay and protein binding assay systems; and international reference preparations of the α and β subunits of human chorionic gonadotrophin for immunoassay. J Endocrinol 1980; 84: 295–310
  • Nisselbaum JS, Bosl G, Schwartz MK. Argument in favor of using mass units to calibrate and report concentrations of human choriogonadotropin. Clin Chem 1986; 32: 1998–2000
  • Braunstein GD, Kamdar V, Rasor J, Swaminathan N, Wade ME. Widespread distribution of a chorionic gonadotropin-like substance in normal human tissues. J Clin Endocrinol Metab 1979; 49: 917–25
  • Huang S-C, Chen H-C, Chen R-J, Hsieh C-Y, Wei P-Y, Ouyang PC. The secretion of human chorionic gonadotropin-like substance in women employing contraceptive measures. J Clin Endocrinol Metabl 1984; 58: 646–53
  • Matsuura S, Ohashi M, Chen HC, Shownkeen RC, Stockell Hartree A, Reichert LE, Jr, Stevens VC, Powell JE. Physicochemical and immunological characterization of an HCG-like substance from human pituitary glands. Nature 1980; 286: 740–1
  • Suginami H, Kawaoi A. Immunohistochemical localization of a human chorionic gonadotropin-like substance in the human pituitary gland. J Clin Endocrinol Metab 1982; 55: 1161–6
  • Stockell Hartree A, Shownkeen RC, Stevens VC, Matssura S, Ohashi M, Chen HC. Studies of the human chorionic gonadotrophin-like substance of human pituitary glands and its significance. J Endocrinol 1983; 96: 115–26
  • Catalona WJ, Vaitukaitis JL, Fair WR. Falsely positive specific human chorionic gonadotropin assays in patients with testicular tumors: conversion to negative with testosterone administration. J Urol 1979; 122: 126–8
  • Papapetrou PD, Anagnostopoulos NI. A gonadotropin and α-subunit suppression test for the assessment of the ectopic production of human chorionic gonadotropin and its subunits after the menopause. J Clin Endocrinol Metab 1985; 60: 1187–95
  • Logan JE. Revised recommendation (1983) on evaluation of diagnostic kits. Part 1. Recommendations for specifications on labelling of clinical laboratory materials. J Clin Chem Clin Biochem 1983; 21: 893–8
  • Storring PL, Calam DH, Deom A, Gombert H, Manucci ES, Strömberg R. Standard for the labelling of clinical laboratory materials. ECCLS Document 1985; 2(3)1–10
  • Krouwer JS. Improving the reporting of immunoassay specificity. Clin Chem 1986; 32: 1980–1

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