Apoptosis-related microRNA-145-5p enhances the effects of pheophorbide a-based photodynamic therapy in oral cancer

Sook Moon, Do Kyeong Kim, Jin Kim

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

MicroRNAs (miRNAs) regulate key biological processes, and their aberrant expression has been related to cancer development. Photodynamic therapy (PDT) has emerged as one of the most promising modalities for cancer treatment. However, the application of PDT has been limited to superficially localized human cancerous and precancerous lesions. To increase the usefulness of both PDT and miRNAs in cancer therapy, this study investigated whether apoptosis-related miRNA expression is influenced by PDT in oral cancer and whether miRNAs can enhance PDT efficacy. To achieve this goal, we performed a miRNA array-based comparison of apoptosis-related miRNA expression patterns following PDT using pheophorbide a (Pa) as a photosensitizer. After Pa-PDT, 13.1% of the miRNAs were down-regulated, and 16.7% of the miRNAs were up-regulated. Representative miRNAs were selected according to expression difference: miR-9-5p, miR-32-5p, miR-143-3p, miR-145-5p, miR-192-5p, miR-193a-5p, miR-204-5p, miR-212-3p, miR-338-3p, and miR-451a. Among them, only miR-145-5p showed the consistent reduction repeatedly in all cell lines after Pa-PDT. Further, the combined treatment of a miR-145-5p mimic and Pa-PDT increased phototoxicity, reactive oxygen species generation, and apoptotic cell death, suggesting that miRNAs expression could be a useful marker for enhancing the therapeutic effect of Pa-PDT. This study will provide a promising strategy for introducing miRNA as cancer therapy.

Original languageEnglish
Pages (from-to)35184-35192
Number of pages9
JournalOncotarget
Volume8
Issue number21
DOIs
Publication statusPublished - 2017 Jan 1

Fingerprint

Mouth Neoplasms
Photochemotherapy
MicroRNAs
Apoptosis
Neoplasms
pheophorbide a
Phototoxic Dermatitis
Biological Phenomena
Photosensitizing Agents
Therapeutic Uses
Therapeutics
Reactive Oxygen Species
Cell Death
Cell Line

All Science Journal Classification (ASJC) codes

  • Oncology

Cite this

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title = "Apoptosis-related microRNA-145-5p enhances the effects of pheophorbide a-based photodynamic therapy in oral cancer",
abstract = "MicroRNAs (miRNAs) regulate key biological processes, and their aberrant expression has been related to cancer development. Photodynamic therapy (PDT) has emerged as one of the most promising modalities for cancer treatment. However, the application of PDT has been limited to superficially localized human cancerous and precancerous lesions. To increase the usefulness of both PDT and miRNAs in cancer therapy, this study investigated whether apoptosis-related miRNA expression is influenced by PDT in oral cancer and whether miRNAs can enhance PDT efficacy. To achieve this goal, we performed a miRNA array-based comparison of apoptosis-related miRNA expression patterns following PDT using pheophorbide a (Pa) as a photosensitizer. After Pa-PDT, 13.1{\%} of the miRNAs were down-regulated, and 16.7{\%} of the miRNAs were up-regulated. Representative miRNAs were selected according to expression difference: miR-9-5p, miR-32-5p, miR-143-3p, miR-145-5p, miR-192-5p, miR-193a-5p, miR-204-5p, miR-212-3p, miR-338-3p, and miR-451a. Among them, only miR-145-5p showed the consistent reduction repeatedly in all cell lines after Pa-PDT. Further, the combined treatment of a miR-145-5p mimic and Pa-PDT increased phototoxicity, reactive oxygen species generation, and apoptotic cell death, suggesting that miRNAs expression could be a useful marker for enhancing the therapeutic effect of Pa-PDT. This study will provide a promising strategy for introducing miRNA as cancer therapy.",
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Apoptosis-related microRNA-145-5p enhances the effects of pheophorbide a-based photodynamic therapy in oral cancer. / Moon, Sook; Kim, Do Kyeong; Kim, Jin.

In: Oncotarget, Vol. 8, No. 21, 01.01.2017, p. 35184-35192.

Research output: Contribution to journalArticle

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