{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,31]],"date-time":"2025-12-31T13:35:45Z","timestamp":1767188145700,"version":"3.48.0"},"reference-count":40,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2025,12,29]],"date-time":"2025-12-29T00:00:00Z","timestamp":1766966400000},"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>Succinimide derivatives display a broad spectrum of biological activities and are being explored for various medical applications, including the treatment of epilepsy, diabetes, and cancer, as well as cardiovascular and liver diseases. Ongoing research continues to yield new derivatives with promising therapeutic potential. This study evaluates the biological properties of 3-methoxysuccinimide (1), 3-butynyloxysuccinimide (2), and their metallocarbonyl complexes (\u03b75-cyclopentadienyl)Fe(CO)2(\u03b71-N-(3-methoxysuccinimidato)) (3) and (\u03b75-cyclopentadienyl)Fe(CO)2(\u03b71-N-(3-butynyloxysuccinimidato)) (4) in normal peripheral blood mononuclear cells (PBM) and HL-60 leukemic cells. We examined cytotoxicity, genotoxicity, oxidative, and antioxidative potential of these compounds. Succinimides and their complexes exhibited low cytotoxicity in both cell lines in the concentration range 3\u201350 \u03bcM. At 100 \u03bcM, only 3-methoxysuccinimide (1) reduced PBM cell viability, while all compounds significantly decreased HL-60 cell viability at this concentration. We also showed that all compounds caused a minor concentration-independent increase in DNA damage level. Interestingly, complex 3 was significantly less genotoxic for HL-60 cells compared to N-nonsubstituted analog (1). Succinimides 1 and 2 and their metallocarbonyl complexes 3 and 4 demonstrated strong antioxidant properties, especially in HL-60 cancer cells. They also restored SOD activity reduced by oxidative stress in cancer cells.<\/jats:p>","DOI":"10.3390\/molecules31010121","type":"journal-article","created":{"date-parts":[[2025,12,31]],"date-time":"2025-12-31T13:30:52Z","timestamp":1767187852000},"page":"121","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Assessment of the Biological Properties of N-Nonsubstituted Succinimides and Their Metallocarbonyl Complexes in Normal and Cancer Cells"],"prefix":"10.3390","volume":"31","author":[{"given":"Micha\u0142","family":"Juszczak","sequence":"first","affiliation":[{"name":"University of Lodz, Faculty of Biology and Environmental Protection, Department of Molecular Genetics, Pomorska 141\/143, 90-236 Lodz, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9016-3089","authenticated-orcid":false,"given":"Paulina","family":"Tokarz","sequence":"additional","affiliation":[{"name":"University of Lodz, Faculty of Biology and Environmental Protection, Department of Molecular Genetics, Pomorska 141\/143, 90-236 Lodz, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3999-6514","authenticated-orcid":false,"given":"Aneta","family":"Kosi\u0144ska","sequence":"additional","affiliation":[{"name":"University of Lodz, Faculty of Chemistry, Department of Organic Chemistry, Tamka 12, 91-403 Lodz, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0319-0535","authenticated-orcid":false,"given":"Bogna","family":"Rudolf","sequence":"additional","affiliation":[{"name":"University of Lodz, Faculty of Chemistry, Department of Organic Chemistry, Tamka 12, 91-403 Lodz, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6666-7973","authenticated-orcid":false,"given":"Katarzyna","family":"Wo\u017aniak","sequence":"additional","affiliation":[{"name":"University of Lodz, Faculty of Biology and Environmental Protection, Department of Molecular Genetics, Pomorska 141\/143, 90-236 Lodz, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2025,12,29]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"104557","DOI":"10.1016\/j.bioorg.2020.104557","article-title":"Research progress in biological activities of succinimide derivatives","volume":"108","author":"Zhao","year":"2021","journal-title":"Bioorganic Chem."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"1848","DOI":"10.1002\/cmdc.201700539","article-title":"Synthesis and Determination of Lipophilicity, Anticonvulsant Activity, and Preliminary Safety of 3-Substituted and 3-Unsubstituted N-[(4-Arylpiperazin-1-yl)alkyl]pyrrolidine-2,5-dione Derivatives","volume":"12","author":"Rybka","year":"2017","journal-title":"ChemMedChem"},{"key":"ref_3","doi-asserted-by":"crossref","unstructured":"Dziubina, A., Rapacz, A., Czopek, A., G\u00f3ra, M., Obniska, J., and Kami\u0144ski, K. 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