Featured Publications
3D FIB-SEM reconstruction of microtubule–organelle interaction in whole primary mouse β cells
Müller A, Schmidt D, Xu CS, Pang S, D’Costa J, Kretschmar S, Münster C, Kurth T, Jug F, Weigert M, Hess HF, Solimena M. 3D FIB-SEM reconstruction of microtubule–organelle interaction in whole primary mouse β cells. Journal Of Cell Biology 2020, 220: e202010039. PMID: 33326005, PMCID: PMC7748794, DOI: 10.1083/jcb.202010039.Peer-Reviewed Original ResearchConceptsInsulin secretory granulesΒ-cellsSecretory granulesPrimary mammalian cellsFirst 3D reconstructionPrimary mouse β-cellsMouse β-cellsMammalian cellsMicrotubule organizationPlasma membraneIntracellular traffickingIslet β-cellsMicrotubule networkMicrotubulesUnprecedented resolutionCell constituentsMicrotubule numberCell functionGolgi apparatiCentriolesCellsEndocrine cellsGlucose stimulationEndomembranesGranules
2024
Periodic ER-plasma membrane junctions support long-range Ca2+ signal integration in dendrites
Benedetti L, Fan R, Weigel A, Moore A, Houlihan P, Kittisopikul M, Park G, Petruncio A, Hubbard P, Pang S, Xu C, Hess H, Saalfeld S, Rangaraju V, Clapham D, De Camilli P, Ryan T, Lippincott-Schwartz J. Periodic ER-plasma membrane junctions support long-range Ca2+ signal integration in dendrites. Cell 2024, 188: 484-500.e22. PMID: 39708809, DOI: 10.1016/j.cell.2024.11.029.Peer-Reviewed Original ResearchConceptsEndoplasmic reticulum-plasma membrane junctionsEndoplasmic reticulum-plasma membranePlasma membrane of dendritesVoltage-gated Ca<sup>2+</sup> channelsER-plasma membrane junctionsMembrane of dendritesProtein kinase IIRyanodine receptorSynaptic inputsDendritic computationsSpine stimulationNeuronal dendritesKinase IIIntracellular signalingMembrane junctionsPlasma membraneER tubulesSignal propagationSignal transmissionSubcellular architectureRyanodineLadder-like arraysLocal activationReleaseDendrites