PPP1R3B and metabolic dysfunction-associated steatotic liver disease: In men without NAFLD, we found novel statistically significant inverse associations of the PPP1R3B variant with hexanoylglutamine, 3-hydroxybutyrate, retinol, and hydroxypalmitoyl sphingomyelin, and confirmed one previously reported positive association of the PPP1R3B variant with glycine (Table 2).