Tumor Protein (TP)-p53 members as regulators of autophagy in tumor cells upon marine drug exposure
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Tumor Protein (TP)-p53 members as regulators of autophagy in tumor cells upon marine drug exposure. / Ratovitski, Edward A.; Honecker, Friedemann; Dyshlovoy, Sergey A.
in: MAR DRUGS, Jahrgang 14, Nr. 8, 154, 08.2016.Publikationen: SCORING: Beitrag in Fachzeitschrift/Zeitung › SCORING: Zeitschriftenaufsatz › Forschung › Begutachtung
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TY - JOUR
T1 - Tumor Protein (TP)-p53 members as regulators of autophagy in tumor cells upon marine drug exposure
AU - Ratovitski, Edward A.
AU - Honecker, Friedemann
AU - Dyshlovoy, Sergey A.
N1 - Publisher Copyright: © 2016 by the author; licensee MDPI, Basel, Switzerland. Copyright: Copyright 2020 Elsevier B.V., All rights reserved.
PY - 2016/8
Y1 - 2016/8
N2 - Targeting autophagic pathways might play a critical role in designing novel chemotherapeutic approaches in the treatment of human cancers, and the prevention of tumor-derived chemoresistance. Marine compounds were found to decrease tumor cell growth in vitro and in vivo. Some of them were shown to induce autophagic flux in tumor cells. In this study, we observed that the selected marine life-derived compounds (Chromomycin A2, Psammaplin A, and Ilimaquinone) induce expression of several autophagic signaling intermediates in human squamous cell carcinoma, glioblastoma, and colorectal carcinoma cells in vitro through a transcriptional regulation by tumor protein (TP)-p53 family members. These conclusions were supported by specific qPCR expression analysis, luciferase reporter promoter assay, and chromatin immunoprecipitation of promoter sequences bound to the TP53 family proteins, and silencing of the TP53 members in tumor cells.
AB - Targeting autophagic pathways might play a critical role in designing novel chemotherapeutic approaches in the treatment of human cancers, and the prevention of tumor-derived chemoresistance. Marine compounds were found to decrease tumor cell growth in vitro and in vivo. Some of them were shown to induce autophagic flux in tumor cells. In this study, we observed that the selected marine life-derived compounds (Chromomycin A2, Psammaplin A, and Ilimaquinone) induce expression of several autophagic signaling intermediates in human squamous cell carcinoma, glioblastoma, and colorectal carcinoma cells in vitro through a transcriptional regulation by tumor protein (TP)-p53 family members. These conclusions were supported by specific qPCR expression analysis, luciferase reporter promoter assay, and chromatin immunoprecipitation of promoter sequences bound to the TP53 family proteins, and silencing of the TP53 members in tumor cells.
KW - Autophagy
KW - Cancer
KW - Marine drugs
KW - P53 family members
KW - Transcription
UR - http://www.scopus.com/inward/record.url?scp=84984992239&partnerID=8YFLogxK
U2 - 10.3390/md14080154
DO - 10.3390/md14080154
M3 - SCORING: Journal article
C2 - 27537898
AN - SCOPUS:84984992239
VL - 14
JO - MAR DRUGS
JF - MAR DRUGS
SN - 1660-3397
IS - 8
M1 - 154
ER -