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Breast cancer resistance protein (BCRP) gene expression in a cohort of adult Egyptian patients with acute myeloid leukemia

Manal W El-Masry, Heba M Gouda, Iman A Shaheen, Wael Edesa, Naglaa M Hassan, Rehab Ramzy

Abstract


Background: Acute myeloid leukemia (AML), an aggressive clonal disease, is genetically heterozygous. The prognostic role of expression of Breast Cancer Resistance Protein (BCRP) gene, which behaves as a multidrug transporter, in adult AML is ambiguous.
Objective: The objective is to assess the level of mRNA expression of BCRP gene in newly diagnosed cytogenetically normal adult Egyptian AML patients; and to clarify its potential influence and association between therapeutic responsiveness and disease free survival.
Methods: The BCRP gene expression was evaluated by quantifying its mRNA using real time RT-PCR in fifty newly diagnosed cytogenetically normal adult AML patients and 20 healthy normal controls. The expression was evaluated in relation to clinical and prognostic factors, response to treatment and the survival rate.
Results: BCRP mRNA was over expressed in adult AML patients compared to controls. This study showed a positive statistical correlation between BCRP gene expression and the percent of CD34 expression. Statistical analysis did not reveal  any association between BCRP expression level and chemotherapeutic responsiveness or disease free survival rate.
Conclusion: The significance of BCRP gene expression and its function in AML is very complicated, therefore more standardized clinical studies are needed.

Keywords: BCRP, adult AML, gene expression, prognosis, Egypt.




AJOL African Journals Online