A
AdoCbl–5′Adenosyl cobalamin	Adenosyl cobalamin
AGPAT3	Acylglycerol−3-phosphate O-acyltransferases 3
B
BMI	Body mass index
C
CAD	Coronary artery disease
CHD	Coronary heart disease
CKD	Chronic kidney disease
CpG	5′cytosine-phosphate-guanine-3′
CPT1α	Carnitine palmitoyl transferase I alpha
CVD	Cardiovascular diseases
D
DAG	Diacylglycerol
DGAT 1&2	Diacylglycerol acyltransferase 1&2
DKA	Diabetic keto acidosis
DM	Diabetes mellitus
DMB	5, 6-dimethylbenzimidazole
DNMTs	DNA methyl transferases
E
ESRD	End-stage renal disease
ESR1	Estrogen receptor 1
ETC	Electron transport chain
F
FAO	Fatty acid oxidation
FAS	Fatty acid synthase
FFA	Free fatty acids
G
GDM	Gestational diabetes mellitus
GIT	Gastrointestinal tract
GPAT	Glycerol-3-phosphate acyltransferase
H
HATS	Histone acetyltransferases
HC	Haptocorrin
HDACs	Histone deacetylases
HDL-C	High-density lipoprotein cholesterol
HFD	High fat diet
tHcy	total homocysteine
HMGCR	3-hydroxy-3-methylglutaryl-CoA reductase
HMGCS	3-hydroxy-3-methylglutaryl-CoA synthase
HoloTC	Holotranscobalamin
HOMA-IR	Homeostasis model of insulin resistance
I
IDF	International Diabetes Federation
IF	Intrinsic factor
IR	Insulin resistance
L
LCFAs	Long-chain fatty acids
LDL-C	Low-density lipoprotein cholesterol
LDLR	Low-density lipoprotein receptor
LXR-α	Liver X receptor alpha
M
MCM	Methyl malonyl CoA mutase
MeCbl	Methyl-cobalamin
MetS	Metabolic syndrome
MI	Myocardial infarction
MMA	Methyl malonic acid
MS	Methionine synthase
MP	Methylation potential
miRNAs	MicroRNAs
N
NAFLD	Non-alcoholic fatty liver disease
NASH	Non-alcoholic steatohepatitis
P
PPAR-γ	Peroxisome proliferator-activated receptor gamma
S
SAM	S-adenosyl methionine
SAH	S- adenosyl homocysteine
ScAT	Subcutaneous adipose tissues
SREBF1&2	Sterol regulatory element binding protein 1 and 2
stRNAs	Small temporal RNAs
T
TCA	Tricarboxylic acid
TC	Transcobalamin
TCR or TCbIR	Transcobalamin receptor
T2D	Type 2 diabetes mellitus
TG	Triglyceride/Triacylglycerol
TNFα	Tumor necrosis factor-alpha
V
VLDL	Very low-density lipoprotein
W
WHO	World Health Organization