{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,24]],"date-time":"2026-07-24T11:27:45Z","timestamp":1784892465292,"version":"3.55.0"},"reference-count":54,"publisher":"MDPI AG","issue":"19","license":[{"start":{"date-parts":[[2024,10,3]],"date-time":"2024-10-03T00:00:00Z","timestamp":1727913600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"The Ministry of Health Czech Republic","award":["NU21J-03-00062"],"award-info":[{"award-number":["NU21J-03-00062"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJMS"],"abstract":"<jats:p>This work presents results on the efficiency of newly designed zinc phthalocyanine-mediated photodynamic therapy of both tumoral and nontumoral cell models using the MTT assay. Further detailed examinations of mechanistic and cell biological effects were focused on the HELA cervical cancer cell model. Here, ROS production, changes in the mitochondrial membrane potential, the determination of genotoxicity, and protein changes determined by capillary chromatography and tandem mass spectrometry with ESI were analyzed. The results showed that, in vitro, 5 Jcm\u22122 ZnPc PDT caused a significant increase in reactive oxygen species. Still, except for superoxide dismutase, the levels of proteins involved in cell response to oxidative stress did not increase significantly. Furthermore, this therapy damaged mitochondrial membranes, which was proven by a more than 70% voltage-dependent channel protein 1 level decrease and by a 65% mitochondrial membrane potential change 24 h post-therapy. DNA impairment was assessed by an increased level of DNA fragmentation, which might be related to the decreased level of DDB1 (decrease in levels of more than 20% 24 h post-therapy), a protein responsible for maintaining genomic integrity and triggering the DNA repair pathways. Considering these results and the low effective concentration (LC50 = 30 nM), the therapy used is a potentially very promising antitumoral treatment.<\/jats:p>","DOI":"10.3390\/ijms251910650","type":"journal-article","created":{"date-parts":[[2024,10,3]],"date-time":"2024-10-03T06:45:52Z","timestamp":1727937952000},"page":"10650","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Effects of Zinc Phthalocyanine Photodynamic Therapy on Vital Structures and Processes in Hela Cells"],"prefix":"10.3390","volume":"25","author":[{"given":"Jakub","family":"Hosik","sequence":"first","affiliation":[{"name":"Department of Medical Biophysics, Faculty of Medicine and Dentistry, Palacky University, 77900 Olomouc, Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Barbora","family":"Hosikova","sequence":"additional","affiliation":[{"name":"Department of Medical Biophysics, Faculty of Medicine and Dentistry, Palacky University, 77900 Olomouc, Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Svatopluk","family":"Binder","sequence":"additional","affiliation":[{"name":"Department of Medical Biophysics, Faculty of Medicine and Dentistry, Palacky University, 77900 Olomouc, Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rene","family":"Lenobel","sequence":"additional","affiliation":[{"name":"Laboratory of Growth Regulators, Faculty of Science, Palacky University and Institute of Experimental Botany of the Czech Academy of Sciences, 77900 Olomouc, Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4745-2667","authenticated-orcid":false,"given":"Marketa","family":"Kolarikova","sequence":"additional","affiliation":[{"name":"Department of Medical Biophysics, Faculty of Medicine and Dentistry, Palacky University, 77900 Olomouc, Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5734-5921","authenticated-orcid":false,"given":"Lukas","family":"Malina","sequence":"additional","affiliation":[{"name":"Department of Medical Biophysics, Faculty of Medicine and Dentistry, Palacky University, 77900 Olomouc, Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8801-2094","authenticated-orcid":false,"given":"Hanna","family":"Dilenko","sequence":"additional","affiliation":[{"name":"Department of Medical Biophysics, Faculty of Medicine and Dentistry, Palacky University, 77900 Olomouc, Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Katerina","family":"Langova","sequence":"additional","affiliation":[{"name":"Department of Medical Biophysics, Faculty of Medicine and Dentistry, Palacky University, 77900 Olomouc, Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robert","family":"Bajgar","sequence":"additional","affiliation":[{"name":"Department of Medical Biophysics, Faculty of Medicine and Dentistry, Palacky University, 77900 Olomouc, Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hana","family":"Kolarova","sequence":"additional","affiliation":[{"name":"Department of Medical Biophysics, Faculty of Medicine and Dentistry, Palacky University, 77900 Olomouc, Czech Republic"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,10,3]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Correia, J.H., Rodrigues, J.A., Pimenta, S., and Dong, T. 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