spermidine

American  

[spur-mi-deen, -din] / ˈspɜr mɪˌdin, -dɪn /

noun

Biochemistry.

1. a biogenic polyamine, H 2 N(CH2 ) 4 NH(CH2 ) 3 NH 2 , formed from putrescine, occurring widely in nature and first identified in semen.

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Etymology

Origin of spermidine

First recorded in 1925–30; sperm- + -idine

Example Sentences

They determined that lubiprostone boosts the production of spermidine, a compound that enhances mitochondrial activity by encouraging the growth of beneficial gut bacteria.

From Science Daily

Spermidine is a type of molecule called a polyamine.

From Nature

Medina and colleagues traced the conversion of arginine to spermidine by this pathway, and found that cells induced to undergo apoptosis increased their synthesis of spermidine and its precursor, the molecule putrescine, before dying.

From Nature

The apoptotic cells released spermidine, but not putrescine.

From Nature

Spermidine release occurred in a PANX1-dependent manner.

From Nature