EVs	Extracellular vesicles
OC-EVs	In vitro oviductal cell-derived extracellular vesicles
COCs	Cumulus–oocyte complexes
EGFR	Epidermal growth factor receptor
MAPK	Mitogen-activated protein kinase
LC-MS/MS	Liquid chromatography-tandem mass spectrometry
NTA	Nanoparticle tracking analysis
HSP	Heat shock protein
GO	Gene Ontology
BPs	Biological processes
MFs	Molecular functions
CCs	Cellular components
IPA	Ingenuity Pathway Analysis
FBS	Fetal bovine serum
SDS-PAGE	Sodium dodecyl sulfate-polyacrylamide gel electrophoresis
TFA	Trifluoroacetic acid
FDR	False Discovery Rate