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  1. Messenger RNA - Wikipedia

    RNA is transcribed in the nucleus; after processing, it is transported to the cytoplasm and translated by the ribosome. Finally, the mRNA is degraded. Messenger ribonucleic acid (mRNA) is a single …

  2. MRNA vaccine | Description, Technology, Uses, & Side Effects ...

    Dec 10, 2025 · An mRNA vaccine is a type of vaccine that uses a synthetic version of a molecule known as messenger RNA (mRNA) to instruct cells in the body to produce a protein that trains the immune …

  3. Messenger RNA (mRNA) - National Human Genome Research Institute

    2 days ago · Messenger RNA (abbreviated mRNA) is a type of single-stranded RNA involved in protein synthesis. mRNA is made from a DNA template during the process of transcription.

  4. How mRNA vaccines work, and why controversial - USA TODAY

    Aug 6, 2025 · Instead of growing a virus and weakening it to allow the body to engage its natural defenses, mRNA vaccines use pieces of genetic code to manufacture a protein, a piece of the virus.

  5. What are mRNA vaccines, and how do they work? - Live Science

    Apr 11, 2025 · mRNA vaccines teach the immune system to target specific proteins, often proteins found on a pathogen, like a virus. To do this, they use instructions carried in a genetic molecule called...

  6. What are mRNA vaccines and how do they work? - MedlinePlus

    Most vaccines contain a weakened or dead bacteria or virus. However, scientists have developed a new type of vaccine that uses a molecule called messenger RNA (mRNA) rather than part of an actual …

  7. What is mRNA and How Does it Actually Work? - Biology Insights

    Aug 2, 2025 · Messenger RNA (mRNA) is a fundamental molecule in biological systems. It functions as a single-stranded nucleic acid, similar to DNA but containing uracil instead of thymine. mRNA acts as …

  8. What to know about mRNA vaccines | AP News

    Aug 6, 2025 · The “m” stands for messenger, meaning mRNA carries instructions for our bodies to make proteins. Scientists figured out how to harness that natural process by making mRNA in a lab.

  9. HHS Winds Down mRNA Vaccine Development Under BARDA

    Aug 5, 2025 · HHS announced the beginning of a coordinated wind-down of its mRNA vaccine development activities under the Biomedical Advanced Research and Development Authority.

  10. Stanford Medicine study shows why mRNA COVID-19 vaccine can ...

    Dec 10, 2025 · COVID-19 — and, less frequently, the mRNA-based COVID-19 vaccine — can cause inflamed heart tissue in some people. A new study implicates a pair of substances secreted by …