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Fig. 1 | Translational Neurodegeneration

Fig. 1

From: Endoplasmic reticulum-mitochondria tethering in neurodegenerative diseases

Fig. 1

Global view of the architecture/choreography of ER–mitochondria contacts. As depicted, a part of ER tubule and mitochondria form quasi-synaptic structure. Several pairs of integral membrane proteins located on mitochondria and ER important for MERC formation and physical tethering of the organelles were identified, including Mfn1/2 tether, Fis1-Bap31 tether, VAPB-PTPIP51 tether and IP3R-grp75-VDAC1 tripartite complex. The latter is essential for the efficient Ca2+ transfer from the ER to mitochondria. MAM: mitochondria associated ER membrane, OMM = outer mitochondrial membrane, IMM: inner mitochondrial membrane, Mx = matrix, ETC: electron transport chain, TAC: tricarboxylic acid cycle

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