Special lssues

New Insights in Drug Resistance of Cancer Therapy: A New Wine in an Old Bottle

Submission Deadline: 30 September 2024 Submit to Special Issue

Guest Editors

Dr. Chen Li, Department of Biology, Chemistry, Pharmacy, Free University of Berlin, Germany. E-mail:chen.li.scholar@gmail.com; chen.li@fu-berlin.de

Dr. Ayman Moawad Mahmoud, Department of Life Sciences, Manchester Metropolitan University, Manchester, United Kingdom. E-mail:a.mahmoud@mmu.ac.uk

Summary

Although progress in anticancer therapy advancements was made somehow in the last decade, drug resistance of chemotherapy and immunotherapy with the subsequent spreading of metastases are the leading causes of failure in the treatment of multiple cancers. Drug resistance development involves dynamic changes of cancer heterogeneity as cancer evolves, as well as drug-induced physiological changes, specifically amplification/activation of oncogenes, loss/inactivation of tumor suppressor genes, dysregulation of transcriptional networks, altered metabolism, and microenvironment. Various clinical strategies, including combination therapies and epigenetic drugs, have been used to avoid or reverse drug resistance. Identifying both when the loss of efficacy in cancer drugs begins, and also the mechanism by which this resistance develops is of vital importance to clinicians and researchers tasked with identifying the issue, theorizing solutions, and implementing new treatments in the wake of resistance. The ultimate goal in these instances must be that of treating cancer and preventing further resistance development further down the line. By identifying these often unpredictable mechanisms of resistance, new refined drug molecules or drug delivery methods can be developed to avoid cancer drug resistance and ensure patient therapy is optimum. 


Keywords

Drug resistance; Cancer chemotherapy; cancer immunotherapy; Epigenetics

Published Papers


  • Open Access

    ARTICLE

    Reversal of tamoxifen resistance by artemisinin in ER+ breast cancer: bioinformatics analysis and experimental validation

    ZHILI ZHUO, DONGNI ZHANG, WENPING LU, XIAOQING WU, YONGJIA CUI, WEIXUAN ZHANG, MENGFAN ZHANG
    Oncology Research, DOI:10.32604/or.2024.047257
    (This article belongs to the Special Issue: New Insights in Drug Resistance of Cancer Therapy: A New Wine in an Old Bottle)
    Abstract Breast cancer is the leading cause of cancer-related deaths in women worldwide, with Hormone Receptor (HR)+ being the predominant subtype. Tamoxifen (TAM) serves as the primary treatment for HR+ breast cancer. However, drug resistance often leads to recurrence, underscoring the need to develop new therapies to enhance patient quality of life and reduce recurrence rates. Artemisinin (ART) has demonstrated efficacy in inhibiting the growth of drug-resistant cells, positioning art as a viable option for counteracting endocrine resistance. This study explored the interaction between artemisinin and tamoxifen through a combined approach of bioinformatics analysis and experimental validation. Five characterized genes (ar,… More >

    Graphic Abstract

    Reversal of tamoxifen resistance by artemisinin in ER+ breast cancer: bioinformatics analysis and experimental validation

  • Open Access

    ARTICLE

    The superiority of PMFs on reversing drug resistance of colon cancer and the effect on aerobic glycolysis-ROS-autophagy signaling axis

    YUQIN YIN, YU WU, HONGLIANG HUANG, YINGYING DUAN, ZHONGWEN YUAN, LIHUI CAO, JINJIN YING, YONGHENG ZHOU, SENLING FENG
    Oncology Research, DOI:10.32604/or.2024.048778
    (This article belongs to the Special Issue: New Insights in Drug Resistance of Cancer Therapy: A New Wine in an Old Bottle)
    Abstract Background: Polymethoxylated flavones (PMFs) are compounds present in citrus peels and other Rutaceae plants, which exhibit diverse biological activities, including robust antitumor and antioxidant effects. However, the mechanism of PMFs in reversing drug resistance to colon cancer remains unknown. In the present study, we aimed to investigate the potential connection between the aerobic glycolysis-ROS-autophagy signaling axis and the reversal of PTX resistance in colon cancer by PMFs. Methods: MTT Cell viability assay and colony formation assay were used to investigate the effect of PMFs combined with PTX in reversing HCT8/T cell resistance ex vivo; the mRNA and protein levels of… More >

    Graphic Abstract

    The superiority of PMFs on reversing drug resistance of colon cancer and the effect on aerobic glycolysis-ROS-autophagy signaling axis

  • Open Access

    ARTICLE

    A comparative in vitro study on the effect of SGLT2 inhibitors on chemosensitivity to doxorubicin in MCF-7 breast cancer cells

    SHAHID KARIM, ALANOUD NAHER ALGHANMI, MAHA JAMAL, HUDA ALKREATHY, ALAM JAMAL, HIND A. ALKHATABI, MOHAMMED BAZUHAIR, AFTAB AHMAD
    Oncology Research, Vol.32, No.5, pp. 817-830, 2024, DOI:10.32604/or.2024.048988
    (This article belongs to the Special Issue: New Insights in Drug Resistance of Cancer Therapy: A New Wine in an Old Bottle)
    Abstract Cancer frequently develops resistance to the majority of chemotherapy treatments. This study aimed to examine the synergistic cytotoxic and antitumor effects of SGLT2 inhibitors, specifically Canagliflozin (CAN), Dapagliflozin (DAP), Empagliflozin (EMP), and Doxorubicin (DOX), using in vitro experimentation. The precise combination of CAN+DOX has been found to greatly enhance the cytotoxic effects of doxorubicin (DOX) in MCF-7 cells. Interestingly, it was shown that cancer cells exhibit an increased demand for glucose and ATP in order to support their growth. Notably, when these medications were combined with DOX, there was a considerable inhibition of glucose consumption, as well as reductions in… More >

    Graphic Abstract

    A comparative <i>in vitro</i> study on the effect of SGLT2 inhibitors on chemosensitivity to doxorubicin in MCF-7 breast cancer cells

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