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December 8, 2025Blood

Effect of the dominant-negative ikaros isoform 6 (Ik6) on cell function and drug sensitivity in acute lymphoblastic leukemia cell lines

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Authors

QHQishan HaoYJYanan Jia

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Overview

Experimental findings demonstrate altered cell cycle dynamics and increased drug sensitivity to dexamethasone in ALL cells with ikaros isoform 6 modulation, suggesting potential therapeutic targets.

Key Points

  • This research investigates the influence of ikaros isoform 6 on cell function and drug response in acute lymphoblastic leukemia.
  • Used Western blot analysis for protein expression detection
  • Conducted CCK-8 assays for cell proliferation and drug sensitivity
  • Employed PI method for analyzing cell cycle
  • Utilized Annexin V-PI for measuring apoptosis rates
  • Performed GSEA analysis on RNA sequencing data
  • IK6 knockdown reduced cell proliferation and altered cell cycle distribution in SUP-B15 cells
  • Increased sensitivity to dexamethasone was observed in IK6-modulated cells
  • Imatinib and dasatinib sensitivity showed no significant changes
  • Overexpression of IK6 in NALM-6 cells led to higher apoptotic rates
  • GSEA indicated changes in pathways related to cell adhesion and migration

Cite This Study

Hao et al. (2025) studied this question.

synapsesocial.com/papers/69362f364fa91c937236d2bdhttps://doi.org/10.1182/blood-2025-6827
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1IKAROS isoforms differentially control gene expression and differentiation of a B-cell acute lymphoblastic leukemia cell line2026
  2. 2Neomorphic chromatin engagement and epigenetic reprogramming by the IKZF1 N159Y tandem duplication mutant in b-acute lymphoblastic leukemia2025
  3. 3Prognostic significance of IKZF1 deletion subtypes in ph-negative BCP-ALL: Biallelic-null deletion predicts the worst survival in TP53-wild type patients2025
  4. 4[Clinical Characteristics and Prognosis of B-cell Acute Lymphoblastic Leukemia Patients with 2025
  5. 5Abstract 6057: The IKZF1 N159Y partial tandem duplication mutant drives chromatin remodeling, B-cell developmental defects and leukemia initiation2026