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Smith JA, Lange PH, Janknegt RA, Abbou CC, deGery A. Serum Markers as a Predictor of Response Duration and Patient Survival After Hormonal Therapy for Metastatic Carcinoma of the Prostate. J Urol 1997. [DOI: 10.1016/s0022-5347(01)64963-2] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Joseph A. Smith
- From the Department of Urologic Surgery, Vanderbilt University, Nashville, Tennessee, Departments of Urology, University of Washington, Seattle, Washington, University of Maastricht, Maastricht, The Netherlands, and University Hospital Henni Mondor, Aeteil and Roussel UCLAF, Romainville, France
| | - Paul H. Lange
- From the Department of Urologic Surgery, Vanderbilt University, Nashville, Tennessee, Departments of Urology, University of Washington, Seattle, Washington, University of Maastricht, Maastricht, The Netherlands, and University Hospital Henni Mondor, Aeteil and Roussel UCLAF, Romainville, France
| | - Rudi A. Janknegt
- From the Department of Urologic Surgery, Vanderbilt University, Nashville, Tennessee, Departments of Urology, University of Washington, Seattle, Washington, University of Maastricht, Maastricht, The Netherlands, and University Hospital Henni Mondor, Aeteil and Roussel UCLAF, Romainville, France
| | - Claude C. Abbou
- From the Department of Urologic Surgery, Vanderbilt University, Nashville, Tennessee, Departments of Urology, University of Washington, Seattle, Washington, University of Maastricht, Maastricht, The Netherlands, and University Hospital Henni Mondor, Aeteil and Roussel UCLAF, Romainville, France
| | - Annie deGery
- From the Department of Urologic Surgery, Vanderbilt University, Nashville, Tennessee, Departments of Urology, University of Washington, Seattle, Washington, University of Maastricht, Maastricht, The Netherlands, and University Hospital Henni Mondor, Aeteil and Roussel UCLAF, Romainville, France
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Geary ES, Stamey TA. Pathological Characteristics and Prognosis of Nonpalpable and Palpable Prostate Cancers with a Hybritech Prostate Specific Antigen of 4 to 10 ng./ml. J Urol 1996. [DOI: 10.1016/s0022-5347(01)65701-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- E. Stewart Geary
- From the Department of Urology, Stanford University School of Medicine, Stanford, California
| | - Thomas A. Stamey
- From the Department of Urology, Stanford University School of Medicine, Stanford, California
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Zhou Z, Ng PC, Very DL, Allard WJ, Yeung KK. Technicon Immuno 1 PSA assay measures both free and alpha-1-antichymotrypsin-complexed prostate-specific antigen on an equimolar basis. J Clin Lab Anal 1996; 10:155-9. [PMID: 8731504 DOI: 10.1002/(sici)1098-2825(1996)10:3<155::aid-jcla8>3.0.co;2-a] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
In this study, we investigated the immunoreactivity of the Technicon Immuno 1 PSA assay, a monoclonal-polyclonal sandwich immunoassay, with free and ACT-complexed PSA. Assay calibrators prepared with free PSA (standard Immuno 1 calibrators) and calibrators consisting of 90% ACT-complexed and 10% free PSA (90:10 calibrators) yielded virtually identical PSA recoveries at all concentrations tested. Concentrations of total PSA at approximately 4 and 10 ng/mL, prepared in varying ratios of free PSA to PSA-ACT complex, recovered from 92-104% at 4 ng/mL and from 98-102% at 10 ng/mL. Additionally, an excellent correlation of serum total PSA values from a panel of 40 prostatic cancer patient samples was obtained using calibration curves generated with the standard Immuno 1 calibrators or the 90:10 calibrators. These results demonstrate that the Technicon Immuno 1 PSA assay measures free and ACT-complexed PSA on an equal molar basis.
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Affiliation(s)
- Z Zhou
- Immunodiagnostics Business Unit, Bayer Corporation, Tarrytown, New York 10591-5097, USA
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