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Exploiting Necroptosis for Therapy of Acute Lymphoblastic Leukemia

Caterina Mezzatesta1, Beat C Bornhauser1

  • 1Department of Oncology and Children's Research Center, University Children's Hospital Zurich, Zurich, Switzerland.

Frontiers in Cell and Developmental Biology
|April 4, 2019
PubMed

Insights

Drug-resistant childhood acute lymphoblastic leukemia (ALL) can be targeted using necroptosis, an alternative cell death pathway. Activating necroptosis offers a promising strategy to overcome chemotherapy resistance and eliminate refractory leukemia cells.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cell Death Pathways

Background:

  • Chemotherapy resistance in acute lymphoblastic leukemia (ALL) is often linked to the evasion of apoptosis.
  • Alternative programmed cell death mechanisms are being explored to overcome apoptotic resistance.
  • Necroptosis, a form of programmed necrosis, has emerged as a potential therapeutic target.

Purpose of the Study:

  • To review the molecular mechanisms underlying drug resistance in childhood ALL.
  • To discuss the potential of activating necroptosis to treat drug-resistant ALL.
  • To highlight necroptosis as a strategy to circumvent apoptotic blockade.

Main Methods:

  • Literature review focusing on molecular mechanisms of drug resistance in ALL.
  • Analysis of studies investigating programmed cell death pathways, including necroptosis.
  • Discussion of preclinical and clinical data related to necroptosis induction in leukemia.

Main Results:

  • Evasion of apoptosis is a key mechanism of chemotherapy resistance in ALL.
  • Necroptosis can be triggered in a subset of primary ALL cells, including refractory cases.
  • Targeting necroptosis pathways may offer a novel approach to eliminate resistant leukemia cells.

Conclusions:

  • Understanding drug resistance mechanisms in ALL is crucial for developing effective therapies.
  • Necroptosis activation presents a promising strategy to overcome chemotherapy resistance in ALL.
  • Targeting necroptosis could provide a new avenue for treating refractory childhood ALL.
Keywords:
apoptosis dysregulationdrug resistanceleukemianecroptosisnecroptotic compounds

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