DR	Diabetic retinopathy
DN	Diabetic nephropathy
ETDRS	Early Treatment Diabetic Retinopathy Study
NPDR	Nonproliferative diabetic retinopathy
PDR	Proliferative diabetic retinopathy
ROS	Reactive oxygen species
OXPHOS	Oxidative phosphorylation
PCR	Polymerase chain reaction
HbA1c	Glycated haemoglobin
BMI	Body mass index
eGFR	Estimated glomerular filtration rate
MDRD	Modification of Diet in Renal Disease
tRNA	Transfer RNA
rRNA	Ribosomal RNA
mtDNA	Mitochondrial DNA
NADH	Nicotinamide adenine dinucleotide hydrogen
LHON	Leber’s hereditary optic neuropathy