BodyNameNumber/CellTypicalSizeandShapeMarkerProteinDescriptionImageNuclearBodiesCajalBody0–60.1–2.0µm;roundCoilinInvolvedinsnRNPandsnoRNPbiogenesisandposttranscriptionalmodificationofnewlyassembledspliceosomalsnRNAs.Clastosome0–30.2–1.2µm;irregular20ScorecatalyticcomponentofproteasomeContainsubiquitinconjugates,theproteolyticallyactive20Scoreand19Sregulatorycomplexesofthe26Sproteasome,andproteinsubstratesoftheproteasome.CleavageBody1–40.2–1.0µm;roundCstF64kDaContainsseveralfactorsinvolvedin3′cleavageofmRNAs.?20%containnewlysynthesizedRNA.SomecleavagebodieslocalizeadjacenttoCajalandPMLbodies.NuclearSpeckleorInterchromatinGranuleCluster25–500.8–1.8µm;irregularSC35,SF2/ASFContainsproteinsforpre-mRNAprocessing.Involvedinthestorage,assembly,and/ormodificationofpre-mRNAsplicingfactors.NuclearStressBody2–100.3–3.0µm;irregularHSF1Inducedbyheatshockresponse.AssociateswithsatelliteIIIrepeatsonhumanchromosome9q12andotherpericentromericregions;recruitsvariousRNA-bindingproteins.OPTDomain1–31.0–1.5µm;roundPTFContainsseveraltranscriptionfactors(Oct1/PTF)andRNAtranscripts;predominantinlateG1cells.Oftenlocalizesclosetonucleolus.Paraspeckle10–200.5µm;roundp54nrb,PSP1ContainsseveralRNA-bindingproteinsandnuclear-retainedCTN-RNA.PerinucleolarCompartment1–40.3–1.0µm;caphnRNPI(PTB)Caponsurfaceofnucleolus;foundmainlyintransformedcells.ContainsRNApolIIItranscriptsandseveralRNA-bindingproteins.PMLBody10–300.3–1.0µm;roundPMLSuggestedtoplayaroleinaspectsoftranscriptionalregulationand/ornuclearproteinsequestration.PolycombBody12–160.3–1.0µm;round/irregularBmi1,Pc2ContainssilencingproteinsassociatedwithPolycombrepressivecomplex1;associateswithheterochromatin.CytoplasmicBodiesAggresome12.0–10.0µm;irregularCFTRFormswhenproteasome’sdegradativecapacityisexceeded.Maysequesteraggregatedproteins/substratesforlysosomaldegradationviaautophagy.Associatedwithmicrotubuleorganizingcenter;encagedbyvimentin.ProcessingBody(PBody)0–300.1–1.0µm;roundAgo1/2,GW182Containsdeca...
