Advances in Cancer Therapy Resistance

A special issue of Biomolecules (ISSN 2218-273X). This special issue belongs to the section "Molecular Medicine".

Deadline for manuscript submissions: 30 June 2024 | Viewed by 2461

Special Issue Editor


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Guest Editor
Department of Hematologic Malignancies Translational Science, City of Hope, Monrovia, CA, USA
Interests: novel target identification & validation; cell signaling networks; cancer therapy resistance
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Drug resistance is the main therapeutic obstacle to developing cancer cures and dampens the clinical efficacy of a wide range of anti-cancer therapies, such as radiation, cytotoxic chemotherapies, molecular targeted therapies and immune checkpoint inhibitors. Different genetic, epigenetic and microenvironmental changes promote therapy resistance in tumor cells. Although combination therapy works well to overcome resistance to single-agent treatments in certain human malignancies, de novo and acquired resistance to combination therapies is common, especially in patients with metastatic disease, preempting the initial success of combinational therapies and resulting in disease relapse. Therefore, a deep apprehension of the molecular mechanisms underlying cancer therapy resistance is necessary to improve current therapies and pave the way for novel and more effective future cancer treatments. In this Special Issue, the latest findings on the distribution of genetic, epigenetic and microenvironmental mediators of cancer therapy resistance will be outlined. Moreover, novel treatment methods for overcoming therapy failure in in vitro, in vivo and preclinical models are of particular interest. Research articles, reviews and communications will all be considered for publication in this Special Issue.

Dr. Majid Momeny
Guest Editor

Manuscript Submission Information

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Keywords

  • cancer therapy resistance
  • genetic mutations in drug resistance
  • tumor microenvironment and therapy resistance
  • epigenetic mediators in drug resistance
  • cell signaling pathways in therapy failure
  • combination therapies

Published Papers (1 paper)

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Research

13 pages, 3296 KiB  
Article
Exosomal miR92a Promotes Cytarabine Resistance in Myelodysplastic Syndromes by Activating Wnt/β-catenin Signal Pathway
by Hongjiao Li, Chenglian Xie, Yurong Lu, Kaijing Chang, Feng Guan and Xiang Li
Biomolecules 2022, 12(10), 1448; https://doi.org/10.3390/biom12101448 - 09 Oct 2022
Cited by 5 | Viewed by 1986
Abstract
Cytarabine (Ara-C) has been one of the frontline therapies for clonal hematopoietic stem cell disorders, such as myelodysplastic syndrome (MDS) and acute myeloid leukemia (AML), but Ara-C resistance often occurs and leads to treatment failure. Exosomal microRNAs (miRNAs, miRs) as small noncoding RNA [...] Read more.
Cytarabine (Ara-C) has been one of the frontline therapies for clonal hematopoietic stem cell disorders, such as myelodysplastic syndrome (MDS) and acute myeloid leukemia (AML), but Ara-C resistance often occurs and leads to treatment failure. Exosomal microRNAs (miRNAs, miRs) as small noncoding RNA that play important roles in post-transcriptional gene regulation, can be delivered into recipient cells by exosomes and regulate target genes’ expression. miR92a has been reported to be dysregulated in many cancers, including MDS and AML. However, the effects of exosomal miR92a in hematologic malignancies have not been fully investigated. In this study, qualitative analysis showed the significantly enhanced expression of exosomal miR92a in MDS/AML plasma. Subsequent functional assays indicated that exosomal miR92a can be transported and downregulate PTEN in recipient cells and, furthermore, activate the Wnt/β-catenin signaling pathway and interfere with the Ara-C resistance of receipt MDS/AML cells in vitro and in vivo. Altogether, our findings offer novel insights into plasma exosomal miR92a participating in Ara-C resistance in MDS/AML and we propose miR92a as a potential therapeutic target for MDS/AML. Full article
(This article belongs to the Special Issue Advances in Cancer Therapy Resistance)
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Title: To be determined
Authors: Mateusz Psurski; et al.
Affiliation: Laboratory of Experimental Anticancer Therapy, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Weigla 12, 53-114 Wrocław, Poland

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