Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

[FeIIICl(TMPPH2)][FeIIICl4]2: A Stand-Alone Molecular Nanomedicine that Induces High Cytotoxicity by Ferroptosis

Version 1 : Received: 28 April 2024 / Approved: 29 April 2024 / Online: 29 April 2024 (09:55:51 CEST)

How to cite: Wang, X.; Feng, J.-H.; Zeng, C.-M.; Zhang, Z.-S.; Cao, F.-L.; Zhang, W.-H.; Chen, J.-X.; Mao, Y.; Young, D. J. [FeIIICl(TMPPH2)][FeIIICl4]2: A Stand-Alone Molecular Nanomedicine that Induces High Cytotoxicity by Ferroptosis. Preprints 2024, 2024041891. https://doi.org/10.20944/preprints202404.1891.v1 Wang, X.; Feng, J.-H.; Zeng, C.-M.; Zhang, Z.-S.; Cao, F.-L.; Zhang, W.-H.; Chen, J.-X.; Mao, Y.; Young, D. J. [FeIIICl(TMPPH2)][FeIIICl4]2: A Stand-Alone Molecular Nanomedicine that Induces High Cytotoxicity by Ferroptosis. Preprints 2024, 2024041891. https://doi.org/10.20944/preprints202404.1891.v1

Abstract

Developing clinically meaningful nanomedicines for cancer therapy requires the drugs to be effective, safe, simple, cheap, and easy to store. In the present work, we report that a simple cationic Fe(III)-rich salt of [FeIIICl(TMPPH2)][FeIIICl4]2 (Fe-TMPP) exhibits a superior anticancer performance toward a broad spectrum of cancer cell lines, including breast, colorectal cancer, liver, pancreatic, prostate, and gastric cancers, with half maximal inhibitory concentration (IC50) values in the range of 0.098−3.97 μM (0.066−2.68 μg mL−1), and comparable to the best-reported medicines. Fe-TMPP can forms stand-alone nanoparticles in water without the need for extra surface modification or organic-solvent-assisted antisolvent precipitation. Critically, Fe-TMPP is TME-responsive (TME = tumor microenvironment), and can only elicit its function in the TME with overexpressed H2O2, converting H2O2 to the cytotoxic •OH to oxidize the phospholipid of the cancer cell membrane, causing ferroptosis, a programmed cell death process of cancer cells.

Keywords

single-molecular nanomedicine; porphyrin ligand; chemodynamic therapy; ferroptosis; breast cancer therapy

Subject

Chemistry and Materials Science, Inorganic and Nuclear Chemistry

Comments (0)

We encourage comments and feedback from a broad range of readers. See criteria for comments and our Diversity statement.

Leave a public comment
Send a private comment to the author(s)
* All users must log in before leaving a comment
Views 0
Downloads 0
Comments 0
Metrics 0


×
Alerts
Notify me about updates to this article or when a peer-reviewed version is published.
We use cookies on our website to ensure you get the best experience.
Read more about our cookies here.