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  1. Messenger RNA - Wikipedia

    mRNA is created during the process of transcription, where an enzyme (RNA polymerase) converts the gene into primary transcript mRNA (also known as pre-mRNA). This pre-mRNA …

  2. Messenger RNA (mRNA) | Description & Function | Britannica

    Dec 21, 2025 · Messenger RNA (mRNA) is a molecule in cells that carries codes from the DNA in the nucleus to the sites of protein synthesis in the cytoplasm (the ribosomes). Each mRNA …

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

    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. mRNA Meaning: What It Is and How It Works - Biology Insights

    Jul 27, 2025 · mRNA is a single-stranded molecule composed of a sequence of nucleotides. Each nucleotide in mRNA consists of three parts: a ribose sugar, a phosphate group, and one of …

  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 …

  6. 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 …

  7. What is mRNA - Merck

    Feb 17, 2025 · mRNA is like a USB stick that temporarily stores information from our genetic code, the DNA. A small segment of genetic information is read in the nucleus and stored as …

  8. 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 …

  9. mRNA Explained - Moderna

    Jul 18, 2024 · Messenger RNA, or mRNA, exists in all cells in our bodies and has for millions of years. Just as its name suggests, it acts as a messenger to the cell's machinery that makes …

  10. 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 …