ArticleLasers in medical science2015
Apoptotic effect of pheophorbide a-mediated photodynamic therapy on DMBA/TPA-induced mouse papillomas.
Article in Lasers in medical science, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 7 citations in OpenAlex.
- Nanoparticles improved pheophorbide-a mediated photodynamic therapy for cancer.Lasers in medical science · 2025Review
- Anti-Cancer Activity of Porphyran and Carrageenan from Red Seaweeds.Molecules (Basel, Switzerland) · 2019Review
- A Novel Photosensitizer 3¹,13¹-phenylhydrazine -Mppa (BPHM) and Its in Vitro Photodynamic Therapy against HeLa Cells.Molecules (Basel, Switzerland) · 2016Article
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Authors and funding
8 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Pheophorbide a (Pa) is a chlorine-based photosensitizer, and Pa-mediated photodynamic therapy (PDT) reportedly exhibits antitumor activity against various malignancies. The aim of our study was to investigate the therapeutic effect of Pa-mediated PDT on 7,12-dimethylbenz[a]anthracene (DMBA)/12-O-tetradecanoylphorobol-13-acetate (TPA)-induced mouse papillomas. Thirty mice received a topical application of DMBA/TPA on their backs to induce mouse papillomas. One week after two sessions of Pa-mediated PDT, immunohistochemical stains and terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) assay were performed to evaluate the apoptotic effects thereof on the papillomas. Among 63 mouse papillomas treated with Pa-mediated PDT, 17.5% of the lesions were completely removed 1 week after the first treatment, while 31.7% disappeared 1 week after the second treatment. Statistical analyses revealed significant differences in therapeutic outcomes for the Pa-mediated PDT group in comparison to a solvent-PDT group and a Pa group. Additionally, a marked downregulation of proliferating cell nuclear antigen expression, as well as upregulation of cleaved caspase 3 and cleaved poly(ADP-ribose) polymerase expression, was noted in the Pa-PDT group, compared to the solvent-PDT group and Pa group. TUNEL assay revealed higher apoptotic cell counts in the Pa-PDT group, although the difference was not statistically significant. Our data demonstrated that Pa-mediated PDT is effective in treating DMBA/TPA-induced mouse papillomas.
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