{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,11]],"date-time":"2026-09-11T02:57:00Z","timestamp":1789095420665,"version":"build-2803163510"},"reference-count":78,"publisher":"MDPI AG","issue":"22","license":[{"start":{"date-parts":[[2023,11,11]],"date-time":"2023-11-11T00:00:00Z","timestamp":1699660800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Molecules"],"abstract":"<jats:p>Photodynamic therapy (PDT) is an anticancer\/antibacterial strategy in which photosensitizers (PSs), light, and molecular oxygen generate reactive oxygen species and induce cell death. PDT presents greater selectivity towards tumor cells than conventional chemotherapy; however, PSs have limitations that have prompted the search for new molecules featuring more favorable chemical\u2013physical characteristics. Curcumin and its derivatives have been used in PDT. However, low water solubility, rapid metabolism, interference with other drugs, and low stability limit curcumin use. Chemical modifications have been proposed to improve curcumin activity, and metal-based PSs, especially ruthenium(II) complexes, have attracted considerable attention. This study aimed to characterize six Ru(II)-arene curcuminoids for anticancer and\/or antibacterial PDT. The hydrophilicity, photodegradation rates, and singlet oxygen generation of the compounds were evaluated. The photodynamic effects on human colorectal cancer cell lines were also assessed, along with the ability of the compounds to induce ROS production, apoptotic, necrotic, and\/or autophagic cell death. Overall, our encouraging results indicate that the Ru(II)-arene curcuminoid derivatives are worthy of further investigation and could represent an interesting option for cancer PDT. Additionally, the lack of significant in vivo toxicity on the larvae of Galleria mellonella is an important finding. Finally, the photoantimicrobial activity of HCurc I against Gram-positive bacteria is indeed promising.<\/jats:p>","DOI":"10.3390\/molecules28227537","type":"journal-article","created":{"date-parts":[[2023,11,13]],"date-time":"2023-11-13T02:46:47Z","timestamp":1699843607000},"page":"7537","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Ruthenium(II)-Arene Curcuminoid Complexes as Photosensitizer Agents for Antineoplastic and Antimicrobial Photodynamic Therapy: In Vitro and In Vivo Insights"],"prefix":"10.3390","volume":"28","author":[{"given":"Emanuela","family":"Marras","sequence":"first","affiliation":[{"name":"Department of Biotechnology and Life Sciences (DBSV), University of Insubria, Via JH Dunant 3, 21100 Varese, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Camilla J.","family":"Balacchi","sequence":"additional","affiliation":[{"name":"Department of Biotechnology and Life Sciences (DBSV), University of Insubria, Via JH Dunant 3, 21100 Varese, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6010-2840","authenticated-orcid":false,"given":"Viviana","family":"Orlandi","sequence":"additional","affiliation":[{"name":"Department of Biotechnology and Life Sciences (DBSV), University of Insubria, Via JH Dunant 3, 21100 Varese, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6700-911X","authenticated-orcid":false,"given":"Enrico","family":"Caruso","sequence":"additional","affiliation":[{"name":"Department of Biotechnology and Life Sciences (DBSV), University of Insubria, Via JH Dunant 3, 21100 Varese, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1002-0422","authenticated-orcid":false,"given":"Maurizio F.","family":"Brivio","sequence":"additional","affiliation":[{"name":"Department of Theoretical and Applied Sciences (DiSTA), University of Insubria, Via JH Dunant 3, 21100 Varese, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fabrizio","family":"Bolognese","sequence":"additional","affiliation":[{"name":"Department of Biotechnology and Life Sciences (DBSV), University of Insubria, Via JH Dunant 3, 21100 Varese, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0514-521X","authenticated-orcid":false,"given":"Maristella","family":"Mastore","sequence":"additional","affiliation":[{"name":"Department of Theoretical and Applied Sciences (DiSTA), University of Insubria, Via JH Dunant 3, 21100 Varese, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3779-7231","authenticated-orcid":false,"given":"Miryam C.","family":"Malacarne","sequence":"additional","affiliation":[{"name":"Department of Biotechnology and Life Sciences (DBSV), University of Insubria, Via JH Dunant 3, 21100 Varese, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9609-474X","authenticated-orcid":false,"given":"Miriam","family":"Rossi","sequence":"additional","affiliation":[{"name":"Department of Chemistry, Vassar College, Poughkeepsie, NY 12604, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Francesco","family":"Caruso","sequence":"additional","affiliation":[{"name":"Department of Chemistry, Vassar College, Poughkeepsie, NY 12604, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0002-5978-0243","authenticated-orcid":false,"given":"Veronica","family":"Vivona","sequence":"additional","affiliation":[{"name":"Department of Biotechnology and Life Sciences (DBSV), University of Insubria, Via JH Dunant 3, 21100 Varese, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0007-0170-3671","authenticated-orcid":false,"given":"Nicole","family":"Ferrario","sequence":"additional","affiliation":[{"name":"Department of Biotechnology and Life Sciences (DBSV), University of Insubria, Via JH Dunant 3, 21100 Varese, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5683-0885","authenticated-orcid":false,"given":"Marzia B.","family":"Gariboldi","sequence":"additional","affiliation":[{"name":"Department of Biotechnology and Life Sciences (DBSV), University of Insubria, Via JH Dunant 3, 21100 Varese, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2023,11,11]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Larue, L., Myrzakhmetov, B., Ben-Mihoub, A., Moussaron, A., Thomas, N., Arnoux, P., Baros, F., Vanderesse, R., Acherar, S., and Frochot, C. 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