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Article

In Vitro Induction of PDT Resistance in HT29, HT1376 and SK-N-MC Cells by Various Photosensitizers¶

1 Jan 2001

Abstract excerpt

Our approach to examine the mechanism(s) of action for photodynamic therapy (PDT) has been via the generation of PDT-resistant cell lines. In this study we used three human cell lines, namely, human colon adenocarcinoma (HT29), human bladder carcinoma and human neuroblastoma. The three photosensitizers used were Photofrin, Nile Blue A and aluminum phthalocyanine tetrasulfonate. The protocol for inducing...

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Identifiers

PMID: 11421071
DOI: 10.1562/0031-8655(2001)0730651iviopr2.0.co2

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Source receipt: pubmed, retrieved 7 Sept 2026.

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