title: Learning about loss.
abstract: Researchers have identified two genes-follistatin and activin-as having an important role in the ability of certain flatworms to identify wounds that require the production of new tissue.
authors.affiliation: is an eLife reviewing editor, and is at the Howard Hughes Medical Institute, Stowers Institute for Medical Research , Kansas City, Missouri , United States asa@stowers.org.
authors.forename: Alejandro
authors.initials: A
authors.lastname: Sánchez Alvarado
mesh_terms: D028341:Activins / Q000235:genetics; D000818:Animals; D038681:Follistatin / Q000235:genetics; D010986:Platyhelminths / Q000235:genetics / Q000502:physiology*; D012038:Regeneration
chemical_list: D038681:Follistatin; D028341:Activins
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