What question did this study set out to answer?

To evaluate the efficacy of an mRNA vaccine targeting adrenomedullin in inhibiting tumor growth and angiogenesis in melanoma models.

mRNA Vaccine Targeting Angiogenesis Reduces Tumor Growth in Melanoma Models

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Demonstrates that an mRNA vaccine targeting angiogenesis effectively inhibits tumor growth in melanoma models, suggesting a new therapeutic approach.

To evaluate the efficacy of an mRNA vaccine targeting adrenomedullin in inhibiting tumor growth and angiogenesis in melanoma models.
Developed an mRNA vaccine encoding keyhole limpet hemocyanin peptide linked to adrenomedullin
Administered the vaccine encapsulated in lipid nanoparticles to C57BL/6 mice
Assessed vaccine effects in lung metastasis and subcutaneous melanoma models after multiple immunizations
Analyzed blood and organs for immune responses and tumor characteristics post-vaccination
Vaccinated mice showed higher anti-adrenomedullin IgG levels and increased CD8+ T cell counts compared to controls
Significant reduction in lung metastases number and size and decreased tumor-associated blood vessels in the lung model
In the subcutaneous model, vaccination delayed tumor initiation and reduced tumor volume and angiogenesis
No systemic toxicity or significant weight changes were observed

Tadic et al. (2026) studied this question.

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Demonstrates that an mRNA vaccine targeting angiogenesis effectively inhibits tumor growth in melanoma models, suggesting a new therapeutic approach.