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The interplay between the tumor suppressor protein p53 and high mobility group box 1 (HMGB1) is critical in cancer therapy, influencing responses to chemotherapy, radiotherapy, and immunotherapy. Despite the significance of these interactions, the relationship between these factors in treatment remains inadequately explored, underscoring the urgent need for further investigation. Hence, this review elucidates the mechanisms by which p53 and HMGB1 modulate cellular stress responses, apoptosis, and autophagy, highlighting their roles in multidrug resistance (MDR). Additionally, we conducted an in-silico study on the structure of the p53 protein, p53-DNA complex, the p53-HMGB1 complex, as well as the impact of their mutations within the p53-HMGB1-DNA binding dynamics. Recent advancements in nanotechnology offer promising strategies for enhancing therapeutic efficacy through targeted delivery systems that simultaneously modulate p53 and HMGB1 pathways. By integrating these molecular insights with nanotechnology, we propose a synergistic approach to overcoming treatment resistance and improving patient outcomes.
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http://dx.doi.org/10.1016/j.ijbiomac.2025.147378 | DOI Listing |
Int J Biol Macromol
September 2025
Department of Medical Biotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran. Electronic address:
The interplay between the tumor suppressor protein p53 and high mobility group box 1 (HMGB1) is critical in cancer therapy, influencing responses to chemotherapy, radiotherapy, and immunotherapy. Despite the significance of these interactions, the relationship between these factors in treatment remains inadequately explored, underscoring the urgent need for further investigation. Hence, this review elucidates the mechanisms by which p53 and HMGB1 modulate cellular stress responses, apoptosis, and autophagy, highlighting their roles in multidrug resistance (MDR).
View Article and Find Full Text PDFCancer Res
April 2012
Department of Surgery, Hillman Cancer Center, University of Pittsburgh Cancer Institute, Pittsburgh, Pennsylvania 15213, USA.
The balance between apoptosis ("programmed cell death") and autophagy ("programmed cell survival") is important in tumor development and response to therapy. Here, we show that high mobility group box 1 (HMGB1) and p53 form a complex that regulates the balance between tumor cell death and survival. We show that knockout of p53 in HCT116 cells increases expression of cytosolic HMGB1 and induces autophagy.
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