palmitic

[pal-mit-ik, pahl-, pah-mit-]

adjective

Chemistry.

1. of or derived from palmitic acid.

Word History and Origins

Origin of palmitic¹

From the French word palmitique, dating back to 1855–60. See palm ², -ite ¹, -ic

Example Sentences

Researchers exposed these model microglia and neurons to palmitic acid, the most abundant saturated fatty acid in high-fat foods like lard, shortening, meat and dairy products, to observe how it affected gene activation in the cells as well as functioning of mitochondria, structures inside cells that have a primary metabolic role of generating energy.

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From here, the researchers plan to expand on findings related to synaptic pruning and mitochondria function, and to see how palmitic acid and DHA effects play out in primary brain cells from young versus aged animals.

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When it came to the mitochondria, however, DHA did not prevent the loss of function that followed exposure to palmitic acid.

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"Previous work has shown that DHA is protective in the brain and that palmitic acid has been detrimental to brain cells, but this is the first time we've looked at how DHA can directly protect against the effects of palmitic acid in those microglia, and we see that there is a strong protective effect," said Michael Butler, first author of the study and a research scientist in Barrientos' lab.

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Results showed the palmitic acid prompted gene expression changes linked to an increase in inflammation in both microglia and neurons, though microglia had a wider range of affected inflammatory genes.

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