Codon optimization of the synthetic 3-ketosphinganine reductase (3KSR) protein for enhancing sphingolipid biosynthetic enzyme expression. - Um, Hyun-Ju; Shin, Woo-Ri; Sekhon, Simranjeet Singh; Woo, Sung Min; Kim, Young-Chang; Ahn, Ji-Young; Kim, Yang-Hoon (Molecular & Cellular Toxicology, 2021)