Ginekologia polska · 2001
[The assessment of expression of kininogen and bradykinin receptors genes in different vulvar pathologies by QPCR (TaqMan)].
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Olejek A, Mazurek U, Orchel J, Rzempołuch J, Wilczok T
Аннотация
OBJECTIVES: In different vulvar pathologies inflammatory process and pain are often observed. In these processes, kinins, released from kininogen, play an important role. Their effects are mediated by at least two types of bradykinin receptors--B1 and B2. B1 receptor appears in certain pathological states, B2 is widely distributed in normal tissues. The expression of genes coding kininogen, B1 and B2 receptors can be a very sensitive marker of tissue pathology.
DESIGN: In the present study, the analysis of expression of genes coding kininogen, B1 and B2 was performed. The relation between the analysed genes expression and the pathology stage was analysed.
MATERIALS AND METHODS: The specimens from condylomata accuminata, vulvar cancer and surgical margin were analysed. The number of DNA and mRNA copies of beta-actine, kininogen, B1 and B2 were examined basing on Q-PCR standard curves for beta-actine by use of Perkin Elmer-kit and the sequence detector ABI PRISM 7700-Taq Man application.
RESULTS: In condylomata accuminata the high expression of mRNA of kininogen, B1 and B2 was found, while in vulvar cancer tissue, the expression of analysed genes was low. In the tissue from the tumour center, the lowest kinin genes expression was stated.
CONCLUSIONS: The absence of kininogen and B2 mRNA expression characterised vulvar cancer tissue. The profile of expression of kininogen and its receptor genes can be a useful marker in the assessment of vulvar cancer surgical margin.
DESIGN: In the present study, the analysis of expression of genes coding kininogen, B1 and B2 was performed. The relation between the analysed genes expression and the pathology stage was analysed.
MATERIALS AND METHODS: The specimens from condylomata accuminata, vulvar cancer and surgical margin were analysed. The number of DNA and mRNA copies of beta-actine, kininogen, B1 and B2 were examined basing on Q-PCR standard curves for beta-actine by use of Perkin Elmer-kit and the sequence detector ABI PRISM 7700-Taq Man application.
RESULTS: In condylomata accuminata the high expression of mRNA of kininogen, B1 and B2 was found, while in vulvar cancer tissue, the expression of analysed genes was low. In the tissue from the tumour center, the lowest kinin genes expression was stated.
CONCLUSIONS: The absence of kininogen and B2 mRNA expression characterised vulvar cancer tissue. The profile of expression of kininogen and its receptor genes can be a useful marker in the assessment of vulvar cancer surgical margin.