Targeting of Tumor Dormancy Pathway

A special issue of Onco (ISSN 2673-7523).

Deadline for manuscript submissions: 30 May 2025 | Viewed by 2661

Special Issue Editors


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Guest Editor
Laboratory of Histology-Embryology, Faculty of Medicine, National & Kapodistrian University of Athens, 75 Mikras Asias Street, Goudi, 11527 Athens, Greece
Interests: DNA polymorphisms; RNA; miRNAs; carcinogenesis; bioinformatics; DNA damage; cell cycle; cancer

Special Issue Information

Dear Colleagues,

Dormant tumor cells, also known as minimal residual disease, represent a population of cancer cells that have entered a state of growth arrest, typically after primary tumor removal or during periods of remission. This dormant state allows them to evade conventional cancer therapies, such as chemotherapy or radiation, which primarily target actively dividing cells. It is generally thought that dormant tumor cells have the potential to reactivate and give rise to metastatic tumors years or even decades after initial treatment. However, from another perspective, keeping tumor cells silent for decades can be regarded as tantamount to cure. From both perspectives, it is important to understand the mechanisms underlying dormancy. Keeping tumor cells dormant for indefinite periods of time could form a new strategy of cancer treatment. This Special Issue will highlight the current state of the knowledge in tumor dormancy, targeting of tumor dormancy pathways, and future prospects for exploiting tumor dormancy for cancer therapies.

Dr. Athanassios Kotsinas
Dr. Constantin N. Baxevanis
Guest Editors

Manuscript Submission Information

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Keywords

  • dormant tumor cells
  • conventional cancer therapies
  • cancer therapies
  • chemotherapy
  • radiation
  • tumor dormancy
  • targeting of tumor dormancy pathways

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Published Papers (1 paper)

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9 pages, 1755 KiB  
Commentary
When Therapy-Induced Cancer Cell Apoptosis Fuels Tumor Relapse
by Razmik Mirzayans
Onco 2024, 4(1), 37-45; https://doi.org/10.3390/onco4010003 - 4 Feb 2024
Cited by 1 | Viewed by 1960
Abstract
Most therapeutic strategies for solid tumor malignancies are designed based on the hypothesis that cancer cells evade apoptosis to exhibit therapy resistance. This is somewhat surprising given that clinical studies published since the 1990s have demonstrated that increased apoptosis in solid tumors is [...] Read more.
Most therapeutic strategies for solid tumor malignancies are designed based on the hypothesis that cancer cells evade apoptosis to exhibit therapy resistance. This is somewhat surprising given that clinical studies published since the 1990s have demonstrated that increased apoptosis in solid tumors is associated with cancer aggressiveness and poor clinical outcome. This is consistent with more recent reports demonstrating non-canonical (pro-survival) roles for apoptotic caspases, including caspase 3, as well as the ability of cancer cells to recover from late stages of apoptosis via a process called anastasis. These activities are essential for the normal development and maintenance of a healthy organism, but they also enable malignant cells (including cancer stem cells) to resist anticancer treatment and potentially contribute to clinical dormancy (minimal residual disease). Like apoptosis, therapy-induced cancer cell dormancy (durable proliferation arrest reflecting various manifestations of genome chaos) is also not obligatorily a permanent cell fate. However, as briefly discussed herein, compelling pre-clinical studies suggest that (reversible) dormancy might be the “lesser evil” compared to treacherous apoptosis. Full article
(This article belongs to the Special Issue Targeting of Tumor Dormancy Pathway)
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