From Wiktionary, the free dictionary
From pro- + granulin.
progranulin (plural progranulins)
- A precursor protein to granulin.
2015 August 7, “The Evolution of the Secreted Regulatory Protein Progranulin”, in PLOS ONE[1], →DOI:Haploinsufficiency of the human progranulin gene, GRN, causes frontotemporal dementia.