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Ceftazidime is a potential drug to inhibit cell proliferation by increasing cellular p27
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Journal Article
Ceftazidime is a potential drug to inhibit cell proliferation by increasing cellular p27
2024
Overview
The development of new therapeutic uses for existing drugs is important for the treatment of some diseases. Cephalosporin antibiotics stand as the most extensively utilized antibiotics in clinical practice, effectively combating bacterial infections. Here, we found that the antimicrobial drug ceftazidime strongly upregulates p27 protein levels by inhibiting p27 ubiquitination. The p27 protein is a classic negative regulator of the cell cycle. Next, we demonstrated that ceftazidime can impede the cell cycle from G1 to S phase, thus inhibiting cell proliferation. Furthermore, we found that ceftazidime promotes p27 expression and inhibits cell proliferation by reducing Skp2, which is a substrate recognition component of the Skp2-Cullin-F-box (SCF) ubiquitin ligase. Moreover, ceftazidime downregulates transcriptional expression of Skp2. Importantly, we demonstrated that ceftazidime inhibited the proliferation of tumor cells in vivo. These findings reveal ceftazidime-mediated inhibition of cell proliferation through the Skp2-p27 axis, and could provide a potential strategy for anti-tumor therapy.
Publisher
Springer Japan,Nature Publishing Group
Subject
/ 13/106
/ 13/109
/ 13/31
/ 38/77
/ 64/60
/ Animals
/ Anti-Bacterial Agents - pharmacology
/ Antineoplastic Agents - pharmacology
/ Biomedical and Life Sciences
/ Cell Proliferation - drug effects
/ Cullin
/ Cyclin-dependent kinase inhibitor p27
/ Cyclin-Dependent Kinase Inhibitor p27 - metabolism
/ Humans
/ Kinases
/ Medicine
/ Mice
/ Plasmids
/ Proteins
/ S phase
/ S-Phase Kinase-Associated Proteins - genetics
/ S-Phase Kinase-Associated Proteins - metabolism
/ Tumors
