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
2017
Endoplasmic Reticulum—Plasma Membrane Contact Sites
Saheki Y, De Camilli P. Endoplasmic Reticulum—Plasma Membrane Contact Sites. Annual Review Of Biochemistry 2017, 86: 1-26. PMID: 28301744, DOI: 10.1146/annurev-biochem-061516-044932.Peer-Reviewed Original ResearchConceptsPlasma membraneEndoplasmic reticulumProtein tethersEndoplasmic reticulum-plasma membrane contact sitesNonvesicular lipid transportER-PM contactsMembrane contact sitesLipid transfer proteinLipid trafficCell physiologyContact sitesMembranous organellesLipid transportBroad localizationTransfer proteinCross talkIntracellular CaDirect physical contactMultiplicity of rolesFunctional stateLipid transport by TMEM24 at ER–plasma membrane contacts regulates pulsatile insulin secretion
Lees JA, Messa M, Sun EW, Wheeler H, Torta F, Wenk MR, De Camilli P, Reinisch KM. Lipid transport by TMEM24 at ER–plasma membrane contacts regulates pulsatile insulin secretion. Science 2017, 355 PMID: 28209843, PMCID: PMC5414417, DOI: 10.1126/science.aah6171.Peer-Reviewed Original ResearchConceptsER–plasma membrane contactsLipid transportLipid-binding modulesMembrane contactPhosphoinositide signalingMembrane proteinsPrecursor phosphatidylinositolProtein 24Reversible localizationEndoplasmic reticulumTMEM24Β-cellsPhosphatidylinositolInsulin secretionCalcium oscillationsCytosolic calciumDephosphorylationType II diabetesPhosphorylationSignalingProteinReticulumSecretionII diabetesTransport
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