STS	soft tissue sarcoma
TME	tumor microenvironment
TIDE	tumor immune dysfunction and exclusion
CRGs	cuproptosis-related genes
LASSO	least absolute shrinkage and selection operator
GO	gene Ontology
WGCNA	weighted gene co-expression network analysis
KEGG	Kyoto Encyclopedia of Genes and Genomes
GSEA	gene set enrichment analysis
GSVA	gene set variation analysis
TCGA	the caner genome atlas
TIMER	tumor immune estimation resource
FDR	false discovery rate
qRT-PCR	quantitative reverse transcription polymerase chain reaction
CC	cellular component
BPs	biological processes
FDX1	Ferredoxin 1
LIPT1	Lipoyltransferase 1
LIAS	Lipoic Acid Synthetase
DLD	Dihydrolipoamide Dehydrogenase
DBT	Dihydrolipoamide Branched Chain Transacylase E2
GCSH	Glycine Cleavage System Protein H
DLST	Dihydrolipoamide S-Succinyltransferase
DLAT	Dihydrolipoamide S-Acetyltransferase
PDHA1	Pyruvate Dehydrogenase E1 Subunit Alpha 1
PDHB	Pyruvate Dehydrogenase E1 Subunit Beta
SLC31A1	Solute Carrier Family 31 Member 1
ATP7A	ATPase Copper Transporting Alpha
ATP7B	ATPase Copper Transporting Beta
PLS-DA	Partial Least-Squares Discriminant Analysis