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The Mouse Adult Gross Anatomy Ontology and Mammalian Phenotype Ontology are downloaded weekly from the Mouse Genome Informatics databases at Jackson Laboratories ( For more information about these ontologies, see the MGI Publications Page at

Term:decreased brain weight
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Accession:MP:0002175 term browser browse the term
Definition:lower than average weight of the brain
Synonyms:exact_synonym: low brain weight;   reduced brain weight

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decreased brain weight term browser
Symbol Object Name Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Bckdk branched chain ketoacid dehydrogenase kinase IAGP DNA:missense mutation:cds:G369E (rat) RGD PMID:27472223 RGD:39131293 NCBI chr 1:182,515,335...182,520,007
Ensembl chr 1:182,515,327...182,536,633
JBrowse link
G Bscl2 BSCL2 lipid droplet biogenesis associated, seipin IMP RGD PMID:25934999 RGD:11085488 NCBI chr 1:205,731,828...205,743,430
Ensembl chr 1:205,733,872...205,743,421
JBrowse link
G Bscl2m1Kyo BSCL2, seipin lipid droplet biogenesis associated; ENU induced mutant1, Kyo IMP RGD PMID:25934999 RGD:11085488
G Mecp2 methyl CpG binding protein 2 IMP compared to SD wild-type RGD PMID:27329765 RGD:40924662 NCBI chr  X:151,781,177...151,844,687
Ensembl chr  X:151,789,930...151,844,689
JBrowse link
G Mecp2em1Sage methyl CpG binding protein 2; zinc finger nuclease induced mutant 1, Sigma Advanced Genetic Engineering Labs IMP compared to SD wild-type RGD PMID:27329765 RGD:40924662
G Ngly1 N-glycanase 1 IMP RGD PMID:32259258 RGD:39457703 NCBI chr15:9,153,738...9,210,228
Ensembl chr15:9,153,738...9,204,630
JBrowse link
G Ngly1em1Ta N-glycanase 1; CRISPR/Cas9 induced mutant 1, Ta IMP RGD PMID:32259258 RGD:39457703
G Pclo piccolo (presynaptic cytomatrix protein) IMP compared to wild-type rat RGD PMID:31074746 RGD:41408338 NCBI chr 4:19,691,439...20,050,015
Ensembl chr 4:19,695,315...20,049,885
JBrowse link
G PcloTn(sb-B-Geo)Fkh presynaptic cytomatrix protein; sleeping beauty transposon induced mutant, Fkh IMP compared to wild-type rat RGD PMID:31074746 RGD:41408338

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  mammalian phenotype 5402
    nervous system phenotype 368
      abnormal nervous system morphology 215
        abnormal brain morphology 139
          abnormal brain size 33
            abnormal brain weight 30
              decreased brain weight 14
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