Any series of molecular signals initiated by the binding of an extracellular ligand to a vascular endothelial growth factor receptor-1 (VEGFR-1) located on the surface of the receiving cell, and ending with regulation of a downstream cellular process, e.g. transcription. (Gene Ontology, GO_0036323)
1 genes participating in the vascular endothelial growth factor receptor-1 signaling pathway biological process from the curated GO Biological Process Annotations 2023 dataset.