Autophagy Functions in Hematological Malignancies Biology and Therapy Resistance

A special issue of Cells (ISSN 2073-4409). This special issue belongs to the section "Autophagy".

Deadline for manuscript submissions: closed (20 November 2023) | Viewed by 2579

Special Issue Editors


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Guest Editor
Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
Interests: autophagy; signaling; metabolism; acute myeloid leukemia
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Centre de Recherches en Cancérologie de Toulouse, Toulouse, France
Interests: host autophagy; metabolism; immune response; acute myeloid leukemia
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

While recent approaches to treat hematological cancers hold great promise, therapy resistance is bound to happen and mainly accounts for treatment failure. Therefore, the identification of new targets and resistance mechanisms is urgently needed to improve clinical outcomes. The well-conserved catabolic process, autophagy, has previously been implicated in initiation, progression, and therapeutic resistance of several hematological disorders from myeloproliferative and myelodysplastic syndromes to leukemia and lymphoma. This survival mechanism, characterized by the lysosomal degradation of cytoplasmic content and damaged organelles, ensures energy and cellular homeostasis. In addition, especially through its role in metabolism regulation, autophagy has been increasingly associated with oncogenesis. However, studies to better understand its role and identify through which molecular and cellular mechanisms autophagy regulates hematological malignancies’ biology and response to therapy, especially in vivo, are still necessary.

This Special Issue will investigate, in vitro and in vivo, the contribution of autophagy to hematological malignancies’ development, growth, and relapse depending on the treatments used, in order to understand whether autophagy modulation could be an interesting strategy to improve therapy efficacy.

Dr. Carine Joffre
Dr. Laura Poillet
Guest Editors

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Keywords

  • autophagy
  • hematological cancers
  • therapy resistance
  • metabolism

Published Papers (1 paper)

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Review

28 pages, 1979 KiB  
Review
Advances in Understanding the Links between Metabolism and Autophagy in Acute Myeloid Leukemia: From Biology to Therapeutic Targeting
by Ernestina Saulle, Isabella Spinello, Maria Teresa Quaranta and Catherine Labbaye
Cells 2023, 12(11), 1553; https://doi.org/10.3390/cells12111553 - 5 Jun 2023
Cited by 2 | Viewed by 2060
Abstract
Autophagy is a highly conserved cellular degradation process that regulates cellular metabolism and homeostasis under normal and pathophysiological conditions. Autophagy and metabolism are linked in the hematopoietic system, playing a fundamental role in the self-renewal, survival, and differentiation of hematopoietic stem and progenitor [...] Read more.
Autophagy is a highly conserved cellular degradation process that regulates cellular metabolism and homeostasis under normal and pathophysiological conditions. Autophagy and metabolism are linked in the hematopoietic system, playing a fundamental role in the self-renewal, survival, and differentiation of hematopoietic stem and progenitor cells, and in cell death, particularly affecting the cellular fate of the hematopoietic stem cell pool. In leukemia, autophagy sustains leukemic cell growth, contributes to survival of leukemic stem cells and chemotherapy resistance. The high frequency of disease relapse caused by relapse-initiating leukemic cells resistant to therapy occurs in acute myeloid leukemia (AML), and depends on the AML subtypes and treatments used. Targeting autophagy may represent a promising strategy to overcome therapeutic resistance in AML, for which prognosis remains poor. In this review, we illustrate the role of autophagy and the impact of its deregulation on the metabolism of normal and leukemic hematopoietic cells. We report updates on the contribution of autophagy to AML development and relapse, and the latest evidence indicating autophagy-related genes as potential prognostic predictors and drivers of AML. We review the recent advances in autophagy manipulation, combined with various anti-leukemia therapies, for an effective autophagy-targeted therapy for AML. Full article
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