PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
30654843-3	2019	METHODS: We analyzed the senescence of Ell3-suppressed stem cells by mitochondrial activity, beta-gal (+) cells, and lineage differentiation efficiency.	beta-D-galactose	93-101	elongation factor for RNA polymerase II 3	Homo sapiens	39-43