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Clinical Trial Summary

Chronic myeloid leukemia (CML) is a stem cell (SC) neoplasm which originates from an incomplete process of differentiation of the hematopoietic stem cells (HSCs) to the adult cells which lead to accumulation of their immature form into the BM and the peripheral blood. It is characterized by the reciprocal translocation. The resulting oncoprotein, BCR/ABL1, is considered essential for the initiation and manifestation of the disease . In CML, leukemic stem cell (LSC) supposedly resides within the CD45+/ CD34+/CD38-/Lin- fraction of the leukemic clone (3). However, normal hematopoietic SC also exhibit this phenotype so that additional markers are required to discriminate CML LSC from normal SC. CD34+/CD38-/Lin- CML LSC specifically co-express dipeptidylpeptidase IV(DPPIV=CD26). This enzyme disrupts LSC-niche interactions by degrading stroma derived factor-1 (SDF-1). Moreover, CD26 is a robust biomarker for the quantification and isolation of CML LSC (4). It was reported that CD26+ LSCs were significantly correlated with BCR-ABL1 transcript level at diagnosis and after three months of treatment with tyrosine kinase inhibitor (TKI) .


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT05543161
Study type Observational
Source Sohag University
Contact Rowida Eid, Clinical Pathology Specialist
Phone 01002019899
Email rowaida-muhammad-post@med.sohag.edu.eg
Status Not yet recruiting
Phase
Start date October 2022
Completion date October 2023

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