PRSS57 GENE EXPRESSION PREDICTS EARLY MOLECULAR RESPONSE FAILURE IN PATIENTS WITH CHRONIC MYELOID LEUKEMIA


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Bozdağ E. N., Çetin G., Karaman S., Ünüvar A., Karakaş Z., Abacı N., ...Daha Fazla

Journal of Advanced Research in Health Sciences, cilt.7, sa.1, ss.32-36, 2024 (Hakemli Dergi)

Özet

ABSTRACT Objectives: The molecular response to tyrosine kinase inhibitors in chronic myeloid leukemia (CML) is monitored by quantitative detection of BCR/ABL transcripts. After the initiation of the treatment, patients are followed-up with molecular analysis at three-month intervals. Early molecular response (EMR) is considered achieved when the BCR/ABL international scale (IS) is 10% or below in the three-month follow-up after treatment. This response, which has been reported to have a strong prognostic significance in CML patients, is associated with favorable longterm outcomes. However, the three-month follow-up period may be too long in terms of disease progression and treatment management for patients who fail to achieve EMR. Therefore, additional biomarkers that can predict the prognosis are needed. Material and Methods: This study investigated the relationship between serine protease 57 (PRSS57) gene expression, and EMR. The PRSS57 gene expression in 20 CML patients was determined by the quantitative reverse transcriptase polymerase chain reaction (qRT-PCR) method and its relationship with EMR was analyzed. Results: The PRSS57 gene expression was found to be significantly higher in patients who failed EMR (p=0.002) and positively correlated with BCR/ ABL IS value (r=0.567, p=0.009). Our results also revealed that the PRSS57 gene expression was decreased in the post-treatment follow-up sample when compared with the diagnostic sample (p=0.000). Conclusion: These findings indicate that the PRSS57 gene expression in diagnosis may be useful for predicting patients at high risk of EMR failure. Keywords: CML, early molecular response, PRSS57