proinsulin
noun
pro·in·su·lin
(ˌ)prō-ˈin(t)-s(ə-)lən 
: a single-chain pancreatic polypeptide precursor of insulin that gives rise to the double chain of insulin by cleavage and loss of the middle part of the molecule
Examples of proinsulin in a Sentence
Recent Examples on the Web
At Cardiff University and King’s College London, researchers led by Dr. Mohammad Alhadj Ali isolated a compound called a proinsulin C19 A3 peptide.
—
Melissa Healy, latimes.com, 9 Aug. 2017
In the 1950s, insulin was derived from the pancreases of cows and pigs and was thought to be contaminated with another protein, which today is known as proinsulin.
—Denise Gellene, New York Times, 11 Jan. 2017
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Melissa Healy, latimes.com, 9 Aug. 2017
In the 1950s, insulin was derived from the pancreases of cows and pigs and was thought to be contaminated with another protein, which today is known as proinsulin.
—Denise Gellene, New York Times, 11 Jan. 2017
Dictionary Entries Near proinsulin
Cite this Entry
“Proinsulin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/proinsulin. Accessed 21 Dec. 2024.
Copy CitationMedical Definition
proinsulin
noun
pro·in·su·lin
(ˈ)prō-ˈin(t)-s(ə-)lən
: a single-chain pancreatic polypeptide precursor of insulin that gives rise to the double chain of insulin by loss of the middle part of the molecule
Love words? Need even more definitions?
Merriam-Webster unabridged
Share