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Quantitative monitoring of cyclin D1 expression: A molecular marker for minimal residual disease monitoring and a predictor of the disease outcome in patients with mantle cell lymphoma

Publikace na 2. lékařská fakulta |
2008

Tento text není v aktuálním jazyce dostupný. Zobrazuje se verze "en".Abstrakt

In mantle cell lymphoma (MCL), minimal residual disease (MRD) is an indicator of the disease outcome. Quantitative methods used so far do not provide a suitable molecular marker in 30-70% patients with MCL (depending on the technique used).

We tested cyclin D1 as a marker for quantitative MRD monitoring. The real-time PCR of cyclin D1 mRNA was performed in 144 bone marrow (BM) specimens including 95 BMs from MCL patients, 39 BMs from patients with other B-cell non-Hodgkin's lymphomas and 10 BMs from healthy volunteer donors.

In 73 BMs obtained from 20 MCL patients we examined the cyclin D1 level during the treatment and follow-up period. We detected a cyclin D1 overexpression exclusively in BMs infiltrated with MCL, including minimal residual infiltration.

Dynamics of cyclin D1 correlated with the patient's clinical status in 69/73 BMs. Individual monitoring of patients during the disease course showed cyclin D1 quantitative changes accompanying either the disease relapse or a successful treatment response or the disease-free survival (remission) and it showed a predictive significance.

Cyclin D1 detection is a promising approach for the quantitative MRD monitoring in MCL patients, and the individual monitoring of the cyclin D1 dynamics represents a suitable indicator of the disease course.