Increased analytical sensitivity of RT-PCR of PSA mRNA decreases diagnostic specificity of detection of prostatic cells in blood.

Abstract:

:The diagnostic specificity of the detection of disseminated prostatic cells by reverse-transcriptase polymerase chain reaction (RT-PCR) of PSA mRNA was investigated. A sensitive nested PCR was developed. In blood samples from 10 healthy female and 10 healthy male persons examined by RT-PCR, mRNA of PSA was detected 3 times in each group. In the groups of patients suffering from benign prostate hyperplasia and prostate cancer, 6 of 11 and 5 of 12, respectively, gave positive RT-PCR results. With increasing analytical sensitivity of the RT-PCR of PSA mRNA, the diagnostic specificity of the assay is decreased. Further development of this diagnostic method requires the introduction of the quantitative PCR which may make possible discrimination between prostatic and non-prostatic source of PSA mRNA by quantification.

journal_name

Int J Cancer

authors

Henke W,Jung M,Jung K,Lein M,Schlechte H,Berndt C,Rudolph B,Schnorr D,Loening SA

doi

10.1002/(sici)1097-0215(19970106)70:1<52::aid-ijc8

subject

Has Abstract

pub_date

1997-01-06 00:00:00

pages

52-6

issue

1

eissn

0020-7136

issn

1097-0215

pii

10.1002/(SICI)1097-0215(19970106)70:1<52::AID-IJC8

journal_volume

70

pub_type

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