RegenBase ontology	GOLD Ecosystem Classification	Source
https://w3id.org/gold.vocab/Brain	http://regenbase.org/ontology#RB_0000335	LOOM
https://w3id.org/gold.vocab/Tissue	http://regenbase.org/ontology#RB_0000071	LOOM
https://w3id.org/gold.vocab/Cell-Line	http://regenbase.org/ontology#RB_0000170	LOOM