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Phospho acc ser79

Manufactured by Merck Group

Phospho-ACC Ser79 is a laboratory reagent used to detect and quantify the phosphorylation of the Acetyl-CoA Carboxylase (ACC) enzyme at the serine 79 residue. This phosphorylation event is an important regulatory mechanism that inactivates the ACC enzyme, which plays a key role in fatty acid synthesis. The Phospho-ACC Ser79 reagent can be used in various biochemical and cell-based assays to study the regulation of lipid metabolism.

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4 protocols using phospho acc ser79

1

Antibody-based Analysis of Insulin Signaling

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Antibodies against phospho‐Akt Ser473 (#9271), phospho‐Akt
Thr308 (#9275), phospho‐TBC1D1 Thr590 (#6927), total Akt
(#9272), and total acetyl CoA carboxylase (ACC, #3662) were purchased from Cell
Signaling Technology (Beverly, MA). Antibodies against phospho‐AS160 Thr642(#07‐802), phospho‐ACC Ser79 (#07‐303),
phospho‐TBC1D1 Ser237 (#07‐2268), and total AS160
(#07‐741) were from Millipore (Temecula, CA). Anti‐phospho‐AS160
Ser588(#3028P2) was from Symansis Limited (Timaru, New Zealand). Anti‐GLUT4
antibody (#4670‐1704) was from Bio‐Rad AbD Serotec (Oxford, UK).
HRP‐conjugated anti‐rabbit IgG was from Biosource International (Camarillo, CA).
HRP‐conjugated anti‐sheep IgG was from Millipore. Enhanced chemiluminescence reagents
(ECL, ECL Plus, and ECL Prime) were obtained from GE Healthcare Life Sciences (Uppsala, Sweden). All
other reagents were obtained from Sigma (St. Louis, MO).
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2

Western Blot Analysis of Hepatic Proteins

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Liver tissue samples were homogenized in RIPA buffer (50 mM Tris-HCl, pH 8.0, 150 mM NaCl, 1% IGEPAL, 0.5% w/v sodium deoxycholate and 0.1% w/v sodium dodecyl sulfate) with 1 mM phenylmethylsulfonyl fluoride (Thermo Fisher Scientific), protease inhibitor cocktail (Sigma) and Halt's phosphatase inhibitor (Thermo Fisher Scientific). Protein samples were subjected to SDS-PAGE using a 4–15% gradient gel (Bio-Rad), and transferred to a nitrocellulose membrane. Membranes were incubated overnight with primary antibodies against phospho-AMPK (Thr172) (Cell Signaling), phospho-ACC (Ser79) (Millipore), phospho-SREBP-1 (Cell Signaling), AMPK (Cell Signaling), ACC (Cell Signaling), SREBP-1 (BD Biosciences), SREBP-2 (Seo et al., 2011 (link)), β-actin (Sigma) and YY-1 (Cell Signaling), followed by HRP-conjugated secondary antibodies and chemiluminescent detection. Immunoblot intensities were quantified using ImageJ analysis software (Rasband, W.S., ImageJ, U. S. National Institutes of Health, Bethesda, Maryland, USA, https://imagej.nih.gov/ij/, 1997–2016).
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3

Signaling Pathway Protein Detection

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Antibodies against phospho‐Akt Ser473 (#9271), phospho‐Akt Thr308 (#9275), phospho‐TBC1D1 Thr590 (#6927), phospho‐JNK Thr183/Tyr185 (#9251), phospho‐p38 MAPK Thr180/Tyr182 (#9216), phospho‐ERK1/2 Thr202/Tyr204 (#9101), total Akt (#9272), total TBC1D1 (#4629S), total‐JNK (#9252), total‐p38 MAPK (#9212), total‐ERK1/2 (#9102), total IκBα (#9242), and total‐acetyl CoA carboxylase (ACC, #3662) were from Cell Signaling Technology (Beverly, MA). Antibodies against phospho‐AS160 Thr642 (#07‐802), phospho‐ACC Ser79 (#07‐303), phospho‐TBC1D1 Ser237 (#07‐2268), and total AS160 (#07‐741) were from Millipore (Temecula, CA). Anti‐phospho‐AS160 Ser588 (#3028P2) was from Symansis Limited (Timaru, New Zealand). Anti‐GLUT4 antibody (#4670‐1704) was from Bio‐Rad AbD Serotec (Oxford, UK). Anti‐SPT2 antibody (ab23696) was from Abcam (Cambridge, MA). Horseradish peroxidase (HRP)‐conjugated anti‐rabbit IgG was from Biosource International (Camarillo, CA). HRP‐conjugated anti‐sheep IgG was from Millipore. HRP‐conjugated anti‐mouse IgG was from Santa Cruz Biotechnology. Enhanced chemiluminescence reagents (ECL, ECL plus, and ECL Prime) were obtained from GE Healthcare Life Sciences (Uppsala, Sweden). All other reagents were obtained from Sigma‐Aldrich (St. Louis, MO).
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4

AMPK Signaling Pathway Activation

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To measure AMPK signaling, EDL muscle fibers were incubated in an oxygenated Buffer A bath for 5 min. Buffer A was aspirated and replaced with fresh Buffer A containing DMSO (vehicle), PF-739 (10 μM). A subset of muscle fibers treated with vehicle were contracted by electrical pulsation for 30 min. EDL muscle fibers were stored in a tube and immediately snap frozen in liquid nitrogen. For western blotting, EDL muscle fibers were homogenized in RIPA buffer (50 mM Tris-HCl, pH 8.0, 150 mM NaCl, 1% IGEPAL, 0.5% w/v sodium deoxycholate and 0.1% w/v sodium dodecyl sulfate) with 1 mM phenylmethylsulfonyl fluoride (Thermo Fisher Scientific), protease inhibitor cocktail (Sigma) and Halt’s phosphatase inhibitor (Thermo Fisher Scientific). Protein samples were subjected to SDS-PAGE using a 4–15% gradient gel (Bio-Rad), and transferred to a nitrocellulose membrane. Membranes were incubated overnight with primary antibodies against phospho-AMPK (Thr172) (Cell Signaling, Cat# 2535S), phospho-ACC (Ser79) (Millipore, Cat#07–303), phospho-TBC1D1 (Millipore Cat#07–2268), pan-AMPKα (Cell Signaling, Cat #5831S), ACC (Cell Signaling, Cat#3662S), TBC1D1 (Cell Signaling, Cat#4629S), and α-tubulin (Cell Signaling, Cat#2125S), followed by HRP-conjugated secondary antibodies and chemiluminescent detection.
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