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ENU, also known as N-ethyl-N- nitroso urea (chemical formula CHNO), is a highly potent mutagen. For a given gene in mice, ENU can induce 1 new mutation in every 700 loci. It is also toxic at high doses.

The chemical is an alkylating agent, and acts by transferring the ethyl group of ENU to nucleobases (usually thymine) in nucleic acids. Its main targets are the spermatogonial stem cells, from which mature sperm are derived.

ENU (disambiguation)

ENU or Enu may mean:

  • N-ethyl-N-nitrosourea, a mutagen
  • Akanu Ibiam International Airport, an airport in Enugu, Nigeria with IATA code ENU
  • English (USA), a synonym for American English (especially in software packages, and in Microsoft Windows)
  • Europol National Unit, a part of the Europol structure
  • Enu, one of the Bissagos Islands, Guinea-Bissau
  • Enu, an island in Indonesia
  • East, North, Up coordinates, a local Earth based coordinate system
  • Eastern Nazarene University, a common misnomer for the Eastern Nazarene College
  • Misnomer for the Eurasian National University