Cited by 31RNA Interference and Gene DeliveryVirus-based gene therapy researchCell death mechanisms and regulation

Bax mRNA therapy using cationic liposomes for human malignant melanoma

Okumura, Kenya, Nakase, Minoru, Inui, Madoka, Nakamura, Shinnosuke, Watanabe, Yoshihiro, Tagawa, Toshiro·2008·The Journal of Gene Medicine

Abstract

Background: Bax is a pro‐apoptotic molecule that functions as a tumor suppressor and Bax gene therapy has been examined for various cancers. Gene transfer by mRNA lipofection is more efficient than plasmid DNA lipofection and, in the present study, we examined the anti‐tumor effects in human malignant melanoma cells (HMGs) using Bax mRNA lipofection. Methods: Bax protein expression, cell growth inhibition, caspase‐3 activity and apoptosis were examined in vitro. Liposome‐Bax mRNA was applied locally once every 5 days for a total of five times to peripheral HMG tumors transplanted in nude mice. Tumor growth inhibition was evaluated by measuring the tumor volume and apoptosis was detected using a terminal deoxynucleotidyl transferase‐mediated dUTP nick end labelling (TUNEL) assay. Results: Enhanced expression of Bax protein was observed following Bax mRNA transfer and cell survival was 59.8%. Caspase‐3 activity and TUNEL‐positive cells increased significantly following Bax mRNA lipofection compared to Bax plasmid transfer. In mice, tumor growth increased only slightly during liposome‐Bax mRNA administration and the tumor volume on day 30 (10 days after completion of administration) was 36.7% of that in the saline control group. By contrast, Bax plasmid transfection resulted in little change in tumor growth compared to controls. Conclusions: Bax mRNA therapy using liposomes has stronger anti‐tumor effects than Bax gene therapy using a plasmid, and the results suggest that Bax mRNA lipofection may be a viable treatment for malignant melanoma. Copyright © 2008 John Wiley & Sons, Ltd.

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Crossref · 10.1002/jgm.1214

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  • Regulation of other tumour-associated genes, such as PLK1, Bax, Maspin, PUMA and PTEN, can delay tumour growth in vivo.

    “Similarly, the regulation of other tumour-associated genes, such as PLK1 (ref.133), Bax219, Maspin37, PUMA70 and PTEN220, can delay tumour growth in vivo.”

    From Lipid nanoparticles for mRNA delivery (2021) · cites this paper as [219]

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Authors
Okumura, K., Nakase, M., Inui, M., Nakamura, S., Watanabe, Y., & Tagawa, T.
Affiliations
  • Mie University (JP)
  • Sakakibara Onsen hospital (JP)
Corresponding author
Okumura, Kenya
Venue
The Journal of Gene Medicine
Publisher
Wiley
Published
2008-06-19
Volume
10
Issue
8
Pages
910-917
ISSN
  • 1099-498X (ISSN-L)
  • 1521-2254
OpenAlex
W2092358502
Cited by
31
References
39
Citations by year
2025: 1 · 2024: 3 · 2023: 2 · 2022: 5 · 2021: 3 · 2020: 3 · 2019: 1 · 2018: 2 · 2017: 1 · 2016: 2 · 2015: 2 · 2014: 1 · 2013: 1 · 2012: 2
FWCI
0.27
Type
journal article
Language
en
Open access
closed
Locations
  • The Journal of Gene Medicine (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Interference and Gene Delivery
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Virus-based gene therapy research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
Keywords
Bax, cationic liposomes, lipofection, melanoma, apoptosis, caspase-3, tumor growth inhibition, tumor suppressor
MeSH terms
Humans, Liposomes, Melanoma, RNA, Messenger, Genetic Therapy, Cell Line, Tumor, bcl-2-Associated X Protein

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