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4 protocols using ab168338

1

Protein Phosphatase and Protease Inhibitor Cocktails

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Protein phosphatase inhibitor and protease inhibitor cocktails were purchased from Sigma-Aldrich. Antibodies for ClpX (ab168338, 1:2000), ClpP (ab124822, 1:1000), VDAC (ab34726, 1:1000), α-Synuclein (ab27766, 1:1000), α-Synuclein (ab138501, 1:3000) and α-Synuclein phosphor S129 (ab168381, 1:1000) were from Abcam. GFP (sc-9996, 1:1000), c-Myc (sc-40, 1:1000), α-Synuclein (sc-12767, 1:1000), Enolase (sc-15343, 1:1000) and HSP60 (sc-13115, 1:2000) were from Santa Cruz Biotechnology. β-Actin (A1978, 1:10000) was from Sigma-Aldrich. TH (MAB318, 1:1000) was from Millipore. ClpP (GTX115070, 1:200) was from Genetex. ClpP (NBP1–89557, 1:200) was from Novus. LonP (15440–1-AP, 1:2000), ERAL1 (11478–1-AP, 1:2000), CHCHD3 (25624–1-AP, 1:1000) and WFS1 (11558–1-AP, 1:1000) were from Proteintech. SOD2 (611580, 1:1000) was from BD bioscience. MFN1 (H00055669-M04, 1:1000) was from Abnova. Sirt3 (5490S, 1:1000) was from cell signaling technology.
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2

Antibody panel for mitochondrial proteome

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Protein phosphatase inhibitor and protease inhibitor cocktails were purchased from Sigma–Aldrich. Antibodies for ClpX (ab168338, 1:2000), ClpP (ab124822, 1:1000), VDAC (ab34726, 1:1000), α-Synuclein (ab27766, 1:1000), α-Synuclein (ab138501, 1:3000) and α-Synuclein phosphor S129 (ab168381, 1:1000) were from Abcam. GFP (sc-9996, 1:1000), c-Myc (sc-40, 1:1000), α-Synuclein (sc-12767, 1:1000), Enolase (sc-15343, 1:1000) and HSP60 (sc-13115, 1:2000) were from Santa Cruz Biotechnology. β-Actin (A1978, 1:10000) was from Sigma–Aldrich. TH (MAB318, 1:1000) was from Millipore. ClpP (GTX115070, 1:200) was from Genetex. ClpP (NBP1-89557, 1:200) was from Novus. LonP (15440-1-AP, 1:2000), ERAL1 (11478-1-AP, 1:2000), CHCHD3 (25624-1-AP, 1:1000) and WFS1 (11558-1-AP, 1:1000) were from Proteintech. SOD2 (611580, 1:1000) was from BD bioscience. MFN1 (H00055669-M04, 1:1000) was from Abnova. Sirt3 (5490S, 1:1000) was from cell signaling technology.
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3

Protein Extraction and Western Blot Analysis

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Mouse testes were homogenized on ice and lysed in lysis buffer (50 mmol l−1 Tris-HCl pH 8.0, 120 mmol l−1 NaCl, 1 mmol l−1 EDTA, 6 mmol l−1 ethylene glycol-bis[β-aminoethyl ether]-N,N,N´,N´-tetraacetic acid [EGTA], 1% Nonidet P-40, 1 mmol l−1 dithiothreitol, 10 mmol l−1 NaF, 0.25 mmol l−1 Na3VO4, and 50 mmol l−1 β-glycerophosphate) supplemented with complete protease inhibitors (4693159001, Roche, Basel, Switzerland). The lysate was centrifuged at 20 000g (5804R, Eppendorf, Hamburg, Germany) for 30 min at 4°C, and the supernatant was used for western blotting. The following primary antibodies were used: rabbit anti-ClpX (1:3000, ab168338, Abcam), mouse anti-total OXPHOS (1:1000, ab110413, Abcam), and rabbit anti-β-actin (1:5000, #ab227387, Abcam). The secondary antibodies used were goat anti-mouse IgG-horseradish peroxidase (HRP)-conjugated (1:5000, FDM007, Fdbio Science, Hangzhou, China) and goat anti-rabbit IgG-HRP-conjugated (1:5000, FDR007, Fdbio Science). Relative protein levels, obtained after normalization to β-actin, were used to standardize the loading variations.
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4

Carnosine Treatment Alters Mitochondrial Proteins

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The cells were treated with carnosine for 48 hours and then were lysed in Western
and IP lysis buffer containing PMSF for 5 minutes on ice, followed by
centrifugation at 13 000 × g for 25 minutes at 4°C. The
supernatant was harvested, and the protein concentration was quantified using a
BCA protein assay kit. Western blot analysis was carried out by standard
protocol. The following antibodies were used: rabbit anti-c-Myc antibody
(1:5000, ab32072), rabbit anti-PCNA antibody (1:1000, ab92552), rabbit
anti-Bcl-2 antibody (1:1000, ab32124), rabbit anti-SDHA antibody (1:1000,
ab137040), rabbit anti-IDH3A antibody (1:1000, ab58641), rabbit anti-MDH1
antibody (1:1000, ab180152), rabbit anti-ClpP antibody (1:1000, ab124822),
rabbit anti-ClpX antibody (1:1000, ab168338), rabbit anti-COX IV antibody
(1:1000, ab66739) (from Abcam Inc). Mouse anti-β-actin antibody (1:1000, AA128),
HRP-labeled goat anti-rabbit IgG (1:500, A0208), and HRP-labeled goat anti-mouse
IgG (1:500, A0216) were from Beyotime Institute of Biotechnology (Nanjing,
China).
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