TCA	citrate cycle
2OGX	2OG-dependent oxygenases
KDM	lysine demethylases
HIF	hypoxia inducible factor
ALKBH	AlkB homolog family
DEGs	differentially expressed genes
Pla	phenyl lactate
ROS	reactive oxygen species
OGDH	oxoglutarate dehydrogenase
2OG	α-ketoglutarate or 2-oxoglutarate
PDHA	pyruvate dehydrogenase E1 alpha
LDH	lactate dehydrogenase
IDH3A	isocitrate dehydrogenase 3 [NAD (+)] alpha
LZ	leptotene or zygotene spermatocytes
PS	pachytene spermatocytes
OXPHOS	oxidative phosphorylation
piRNA	piwi-interacting RNA
PCA	principal component analysis
OPLS-DA	orthogonal partial least squares discriminant analysis
VIP	variable importance in projection
KEGG	Kyoto Encyclopedia of Genes and Genomes