HMO	Human milk oligosaccharides
Glc	glucose
Gal	galactose
GlcNAc	N-acetylglucosamine
Fuc	fucose
SIA	sialic acid
Lac	lactose
2′-FL	2′-fucosyllactose
3′-SL	3′-sialyllactose
6′-SL	6′-sialyllactose
SCFA	short-chain fatty acid
qPCR	quantitative PCR
RNA-seq	RNA sequencing