PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 31109961-12 2019 Using a mouse model of the human OPRM1 A118G single nucleotide polymorphism (SNP) (A112G in mice), we demonstrated that MOR and GABAB signaling coordinate in regulating mesolimbic dopamine neuronal firing via presynaptic regulation. gabab 128-133 opioid receptor mu 1 Homo sapiens 33-38