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alpha-Synuclein aggregates inhibit ESCRT-III through sequestration and collateral degradation.

Sitron CS, Trinkaus VA, Galesic A, Garhammer M, Yuste-Checa P, Dransfeld U, Feigenbutz D, Zhang J, Ivashko L, Dudanova I, Harper JW, Hartl FU
Mol Cell. 2025 Sep 18;85(18):3505-3523.e17. doi: 10.1016/j.molcel.2025.08.022. Epub 2025 Sep 10. (Link opens in a new window) PubMed (Link opens in a new window) Article

Plasmids from Article

ID Plasmid Purpose
215372pTetOFF SNCA-A53TAll-in-one lentiviral construct for the dox repressible expression of the A53T mutant of alpha-synuclein.
215373pCMV-EGFP-RNF152-IRES-mScarlet-IBicistronic expression of EGFP-tagged lysosome membrane protein RNF152, along with mScarlet-I expressed as an expression control.
215374phSyn2 sfGFP-RNF152Lentiviral expression of sfGFP-tagged lysosome membrane protein RNF152 under the neuron-specific human synapsin promoter.
215375pCMV mRuby3-Galectin-3Expression of the endolysosomal damage marker Galectin-3 with an N-terminal mRuby3 tag.
215376pCMV mClover3-Galectin-3Expression of the endolysosomal damage marker Galectin-3 with an N-terminal mClover3 tag.
215377pEF1a mNeonGreen-3K-B1-10-IRES-mKate2-2A-PuroRLentiviral expression of a cytosolic-localized split mNeonGreen variant that enables efficient complementation when the missing beta strand is present. mKate2 is present as a transduction control.
215378pCMV-SNCA-A53T-mClover3Expression of the A53T mutant of alpha-synuclein with a C-terminal mClover3 tag.
215379pCMV-SNCA-A53T-mRuby3Expression of the A53T mutant of alpha-synuclein with a C-terminal mRuby3 tag.
231998pSPcas9(BB)-2A-Puro V2.0 sgCHMP2B-2 aauucccaaaugaagauggcExpression of an sgRNA targeting CHMP2B, Cas9, and a PuroR marker
231999pCMV mTagBFP2Expression of mTagBFP2
232000pCMV mTagBFP2-2A-CHMP2BBicistronic expression of CHMP2B along with an mTagBFP2 transfection marker, connected via 2A sequences.
232001pCMV mTagBFP2-2A-CHMP2B-Q165XBicistronic expression of CHMP2B Q165X mutant along with an mTagBFP2 transfection marker, connected via 2A sequences.
232002pCMV CHMP2B-3XHAExpression of CHMP2B with a 3xHA tag.
232003pCMV CHMP2B-L4D F5D-3XHAExpression of a CHMP2B membrane binding mutant (L4D F5D) with a 3xHA tag.
232004pCMV CHMP2B-L4D F5D-d10-52-3xHA (Δα1)Expression of a CHMP2B membrane binding mutant (L4D F5D) with the first alpha helix deleted with a 3xHA tag.
232005pCMV CHMP2B-L4D F5D-d55-96-3xHA (Δα2)Expression of a CHMP2B membrane binding mutant (L4D F5D) with the second alpha helix deleted with a 3xHA tag.
232006pCMV CHMP2B-L4D F5D-d97-106-3xHA (Δα2/3 loop)Expression of a CHMP2B membrane binding mutant (L4D F5D) with the loop connecting the second and third alpha helices deleted with a 3xHA tag.
232007pCMV CHMP2B-L4D F5D-d106-113-3xHA (Δα3)Expression of a CHMP2B membrane binding mutant (L4D F5D) with the third alpha helix deleted with a 3xHA tag.
232008pCMV CHMP2B-L4D F5D-d118-138-3xHA (Δα4)Expression of a CHMP2B membrane binding mutant (L4D F5D) with the fourth alpha helix deleted with a 3xHA tag.
232009pCMV CHMP2B-L4D F5D-d55-138-3xHA (Δα2-4)Expression of a CHMP2B membrane binding mutant (L4D F5D) with the second through fourth helices deleted with a 3xHA tag.
232010pCMV CHMP2B-L4D F5D-d159-174-3xHA (Δα5)Expression of a CHMP2B membrane binding mutant (L4D F5D) with the fifth alpha helix deleted with a 3xHA tag.
232011pCMV CHMP2B-L4D F5D-d201-213-HA (ΔVPS4 binding)Expression of a CHMP2B membrane binding mutant (L4D F5D) with the VPS4-binding region deleted with a 3xHA tag.
232012pEF1a FLAG-CHMP2BExpression of FLAG-tagged CHMP2B
232013pEF1a FLAG-CHMP2B-d55-96 Expression of FLAG-tagged CHMP2B with the second alpha helix deleted.
232014pCMV sfGFP-CHMP2B-55-96Expression of CHMP2B helix 2 attached to sfGFP.
232015pCMV sfGFP-CHMP2B-3x-55-96Expression of 3 tandem copies of CHMP2B helix 2, connected with gly-ser linkers, attached to sfGFP.
232016pCMV sfGFP-CHMP2B-201-213Expression of the CHMP2B VPS4-binding region attached to sfGFP.
232017pT7-7 a-syn A53T D115A mNeonGreen-3K-B11Bacterial expression of alpha synuclein A53T mutant, tagged with the final beta strand of mNeonGreen-3K
232018pET28 His-SUMO-CHMP2BBacterial expression of His and SUMO tagged CHMP2B
242393pCMV CHMP2B-L4D,F5D-V82E-3XHAExpression of a CHMP2B membrane binding mutant (L4D F5D) with a V82E mutation and a 3xHA tag.
242416pCMV CHMP2B-L4D,F5D-M85E-3XHAExpression of a CHMP2B membrane binding mutant (L4D F5D) with a M85E mutation and a 3xHA tag.
242417pCMV CHMP2B-L4D,F5D-M92E-3XHAExpression of a CHMP2B membrane binding mutant (L4D F5D) with a M92E mutation and a 3xHA tag.
242418pCMV CHMP2B-L4D,F5D-V82E M85E M92E-3XHAExpression of a CHMP2B membrane binding mutant (L4D F5D) with V82E, M85E, and M92E mutations and a 3xHA tag.
242420pCMV sfGFP-CHMP6 57-98Expression of the second alpha helix of CHMP6 (residues 57-98), N-terminally tagged with sfGFP
242421pLKO.1 mouse NTExpression of a non-targeting shRNA in mouse cells
242422pLKO.1 mouse Chmp2bExpression of a Chmp2b-targeting shRNA in mouse cells

Antibodies from Article