DESCRIZIONE
The invention relates to compositions and methods for utilizing lysophosphatidylcholine scaffolds. The compositions and methods can be used for LPC-mediated delivery of fatty acids and other molecules; to screen and identify fatty acid formulations for parenteral nutrition; and for live animal organ imaging, among other uses. The invention also provides compositions and methods for utilizing mutations and polymorphisms in human Mfsd2a as markers for neurological deficits.