What is it about?
We tested whether pre-B acute lymphoblastic leukaemia cells respond directly to interleukin-15, a signalling protein previously linked to leukaemia and central nervous system disease. IL-15 increased cell proliferation and raised expression of molecules involved in CNS homing. Blocking MEK/ERK, PI3K or NF-kB signalling reduced these growth effects.
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Why is it important?
Central nervous system involvement remains a major challenge in childhood leukaemia. Understanding how IL-15 supports leukaemia-cell growth and trafficking identifies biological pathways that can be investigated as biomarkers or treatment targets.
Perspectives
From my perspective, this work matters because Central nervous system involvement remains a major challenge in childhood leukaemia. I hope the findings support further research and informed, evidence-based decisions.
Yasar Yousafzai
Khyber Medical University
Read the Original
This page is a summary of: Interleukin-15 enhances cellular proliferation and upregulates CNS homing molecules in pre-B acute lymphoblastic leukemia, Blood, May 2014, American Society of Hematology,
DOI: 10.1182/blood-2013-05-499970.
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