AUTHOR=Almeida Roberto F. , Ferreira Tiago P. , David Camila V. C. , Abreu e Silva Paulo C. , dos Santos Sulamita A. , Rodrigues Ana L. S. , Elisabetsky Elaine TITLE=Guanine-Based Purines as an Innovative Target to Treat Major Depressive Disorder JOURNAL=Frontiers in Pharmacology VOLUME=12 YEAR=2021 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2021.652130 DOI=10.3389/fphar.2021.652130 ISSN=1663-9812