Word.ws English Dictionary

MPTP

MPTP noun: 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine: a byproduct of synthetic heroin, or MPPP, which causes parkinsonian symptoms in users; and a neurotoxin that degrades into MPP+ after crossing the blood-brain barrier, which causes a degradation of the dopaminergic neurons within the substantia nigra.

Noun

MPTP (uncountable)

  1. 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine: a byproduct of synthetic heroin, or MPPP, which causes parkinsonian symptoms in users; and a neurotoxin that degrades into MPP+ after crossing the blood-brain barrier, which causes a degradation of the dopaminergic neurons within the substantia nigra.
    • The neurotoxicant 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine MPTP provides an excellent opportunity to study repair and response to injury in the basal ganglia.2005 Dec 29, Petzinger, et al. Journal of Neuroscience Research http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=16385585&query_hl=8&itool=pubmed_docsum

Questions about MPTP

What does MPTP mean?
MPTP means 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine: a byproduct of synthetic heroin, or MPPP, which causes parkinsonian symptoms in users; and a neurotoxin that degrades into MPP+ after crossing the blood-brain barrier, which causes a degradation of the dopaminergic neurons within the substantia nigra.
What part of speech is MPTP?
MPTP is a noun.

Words near MPTP in the dictionary

  1. mprets
  2. MPRs
  3. mps
  4. MPSs
  5. MPT
  6. MPTP
  7. MPTS
  8. MPU
  9. Mpumalanga
  10. Mpumalangan
  11. Mpur

Source and license

Adapted from Wiktionary: MPTP (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: MPTPpronounce.ogg.

Cite this entry: “MPTP.” Word.ws, https://word.ws/mptp. Based on Wiktionary, CC BY-SA 4.0.