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1-methyl-4-phenylpyridinium

1-methyl-4-phenylpyridinium noun: MPP+, the active metabolite of MPTP.

1-methyl-4-phenylpyridinium: mPP+, the active metabolite of MPTP
Image: Yikrazuul, Public domain, via Wikimedia Commons

Noun

1-methyl-4-phenylpyridinium (uncountable)

  1. MPP+, the active metabolite of MPTP.
    • Apical uptake was higher than basolateral uptake at 37 degrees C and was decreased to 70% in the presence of NaN(3) or in the absence of extracellular Na(+). Besides alpha2-agonists, apical uptake was inhibited by verapamil, desipramine, and quinidine, but not by MPP(+)...2006, Zhang et al, Investigative Opthamological and Visual Science http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=16384975&query_hl=14&itool=pubmed_docsum
  2. A neurotoxin that cannot cross the blood-brain barrier but which, once in contact, can destroy the dopaminergic neurons of the substantia nigra.

Questions about 1-methyl-4-phenylpyridinium

What does 1-methyl-4-phenylpyridinium mean?
1-methyl-4-phenylpyridinium means MPP+, the active metabolite of MPTP.
What part of speech is 1-methyl-4-phenylpyridinium?
1-methyl-4-phenylpyridinium is a noun.

Words near 1-methyl-4-phenylpyridinium in the dictionary

  1. 1-dimensional
  2. 1-G
  3. 1-H
  4. 1-h TL FM
  5. 1-Hs
  6. 1-methyl-4-phenylpyridinium
  7. 1-O
  8. 1-omino
  9. 1-ominos
  10. 1-on-1
  11. 1-on-1s

Source and license

Adapted from Wiktionary: 1-methyl-4-phenylpyridinium (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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