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7 protocols using anti pka

1

Quantitative Immunoblotting for Signaling Proteins

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The following reagents and materials were used: anti-ALDH1B1 (ref. sc-374090) was purchased from Santa Cruz; anti-PI16 (ref. PAS 31882) from Thermo; anti-P70 S6K beta (ref: ab184551) from Abcam; and anti-Bcl-xL (ref. 2764), anti-pAkt (Ser473) (ref. 4060), anti-Akt (ref. 4685), anti-pMEK1/2 (Ser217/221) (ref. 9154), anti-MEK1/2 (ref. 9126), anti-pERK1/2 (Thr202/Tyr204) (ref. 4370), anti-ERK1/2 (ref. 9102), anti-pPKA (Thr197) (ref. 5661), anti-PKA (ref. 4782), anti-pSEK1/MKK4 (Ser257/Thr261) (ref. 9156), anti-SEK1/MKK4 (ref. 9152), anti pSAPK/JNK (Thr183/Tyr185) (ref. 9255), anti pSAPK/JNK (ref. 9252S), anti pMKK3-6 (Thr183/Tyr185) (ref. 9231), anti MKK3 (ref. 5674), anti p-p38 MAPK (Thr180/Tyr182) (ref. 4511), anti p38 MAPK (ref. 9212) were purchased from Cell Signaling. Electrophoresis reagents were purchased from Biorad and trypsin from Promega.
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2

Osteogenic Protein Expression in MC3T3-E1 Cells

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The treated MC3T3-E1 cells were lysed in RIPA lysis buffer (Beyotime Institute of Biotechnology). The protein concentrations were quantified by BCA Protein Assay reagent (Pierce; Thermo Fisher Scientific, Inc.). Total protein (20 µg) was run on 12% sodium dodecyl sulfate-polyacrylamide gel and electro-transferred to polyvinylidene difluoride membranes (Bio-Rad Laboratories, Inc.), which were then blocked with 5% non-fat dry milk in Tris-buffered saline, followed by the incubation with the primary antibodies anti-collagen type I (Col-I; 1:5,000; 130 kDa; cat. no. ab34710), anti-ALP (1:500; 39 kDa, cat. no. ab83259), anti-osteopontin (OPN; 1:1,000; 66 kDa, cat. no. ab8448), anti-Runx2 (1:1,000; 57 kDa; cat. no. ab23981), and anti-BMP-2 (1:1,000; 45 kDa; cat. no. ab14933; all from Abcam), anti-PKA (1:1,000; 42 kDa; cat. no. 4782), anti-p-cAMP response element-binding protein (CREB; 1:1,000; 43 kDa; cat. no. 9198) and anti-CREB (1:1,000; 43 kDa; cat. no. 9197; all from Cell Signaling Technology (CST)) overnight at 4°C. Following the primary antibodies, the membranes were incubated with goat anti-rabbit HRP-conjugated secondary antibodies (cat. no. ab205718; Abcam) at 4°C for 1 h. Protein bands were detected with an enhanced chemiluminescence detection system (EMD Millipore), and GAPDH (1:1,000; 36 kDa; cat. no. ab8245; Abcam) was used as the internal control.
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3

Gastric Cancer Cell Line Cultivation

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Human gastric cancer cell lines, including BGC-823, MGC, SGC-790, HGC, and MKN-45 were purchased from the American Type Culture Collection in 2015. All cells were cultured in DMEM, supplemented with 10% fetal bovine serum, and were grown in a humidified atmosphere containing a 95% air, 5% CO2 mixture at 37°C. Anti-AM, anti-P-JNK, anti-JNK, anti-P-PKA, anti-PKA, and anti-LC3-II/I antibodies were obtained from Abcam Technology (Cambridge, MA). Anti-cleaved-caspase3, anti-caspase3, anti-P-AKT, anti-AKT, anti-Beclin, and anti-CRLR antibodies were obtained from Santa Cruz Biotechnology (Santa Cruz, CA). Anti-GAPDH, anti-Bax, anti-Bcl2, anti-RAMP1, anti-RAMP2, and anti-RAMP3 antibodies were obtained from Cell Signaling Technology (Beverly, MA).
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4

Protein Expression Analysis by SDS-PAGE and Western Blotting

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SDS–PAGE (10% and 4% gels) and Western blotting analysis were used in the present study. The immunoreactive bands were visualized by ECL solution, and the images were quantified by a UVP gel imager. The primary antibodies used were as follows: anti-Erk1 (pT202/pY204) + Erk2 (pT185/pY187) (Abcam, USA, mouse, 1/100,00), anti-CREB (phospho S133) (Abcam, USA, rabbit, 1/5,000); anti-CREB (Abcam, USA, rabbit, 1/500), anti-BDNF (Abcam, USA, mouse, 0.2–2 μg/mL); anti-β catenin (Abcam, USA, rabbit, 1/5,000), anti-GSK3β (Abcam, USA, mouse, 1/500); anti-GSK3β (phospho Y216) (Abcam, USA, rabbit, 1/500), and anti-PKA (Abcam, USA, rabbit, 1/500).
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5

Glomerular Protein Expression Analysis

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Glomerular protein was extracted with SDS protein lysate (KeyGEN, Nanjing, China), separated by sodium dodecyl sulfate–polyacrylamide gel electrophoresis (SDS-PAGE) and transferred onto a PVDF membrane. PVDF membrane was blocked with 5% skim milk containing 0.05% Tween-20 and incubated with individual primary antibodies, including anti-FN (Santa Cruz Biotechnology, Dallas, TX), anti-RAGE, anti-PKC (Sigma-Aldrich, Shanghai, China), anti-PKA (Abcam, UK), anti-iNOS (Abcam, UK), anti-SOD1 (Santa Cruz, USA) and anti-actin (Sigma-Aldrich, Shanghai, China). Then HRP-conjugate secondary antibody was utilized and color development achieved with enhanced chemiluminescence (ECL) reagent (EMD Millipore, Billerica, MA, USA).
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6

Cocaine-Induced CREB Phosphorylation

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Cocaine, D1R antagonist [R(+)-SCH-23390 hydrochloride] and D2R antagonist [S(-)-raclopride(+)-tartrate salt] were purchased from the Sigma Chemical Company (St. Louis, MO, USA). All chemicals were dissolved immediately in physiological saline before use. The CART and GAPDH primers, M-MLV reverse transcriptase and AccuPower PCR PreMix were purchased from Bioneer Co. (Seoul, Korea). The 2X SYBR Green Master Mix was purchased from Applied Biosystems (Carlsbad, CA, USA). The anti-CART and anti-GAPDH antibodies were purchased from Santa Cruz Biotechnology (Santa Cruz, CA, USA). The anti-phospho[Ser-133] CREB, anti-CREB, and anti-PKA antibodies were purchased from Abcam (Cambridge, MA, USA). The Vectastain ABC reagent was purchased from Vector Laboratories Co. (Burlingame, CA, USA). The Cyclic AMP XP™ Assay Kit was purchased from Cell Signaling Technology Inc. (Danvers, MA, USA). Protein G Sepharose 4 Fast Flow was purchased from GE Healthcare Bio-Sciences AB (Uppsala, Sweden). The PKA Assay kit was purchased from Millipore Co. (Bedford, MA, USA). The [γ-32P] ATP was purchased from Perkin Elmer, Inc. (Covina, CA, USA). All other materials were of the highest grade available and were obtained from normal commercial sources.
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7

Hippocampal Protein Expression Analysis

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The total proteins of hippocampal tissues and primary neurons were isolated using radioimmunoprecipitation assay buffer (RIPA). The protein concentration of all tissue lysates was determined with a bicinchoninic acid assay (BCA) protein assay kit. Same amount of total protein was separated on 10% sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE) and transferred to polyvinylidene difluoride (PVDF) membranes (Bio-Rad, Hercules, CA, Unite States). The membranes were blocked with 5% non-fat powdered milk in Tris-buffered saline containing 0.1% Tween 20 (TBST) for 1 h at room temperature (RT) and then incubated overnight at 4°C with the appropriate primary antibodies: anti-Arc, anti-PKA (phospho T197; p-PKA), anti-ERK1 + ERK2 (phospho T202 + T204; p-ERK1/2), and anti-CREB (phospho S133; p-CREB) (Abcam, Cambridge, MA, Unite States). After washing in TBST, the membrane was incubated for 1 h at RT with horseradish peroxidase (HRP)-conjugated goat anti-rabbit antibody, and protein bands were visualized using the Immun-StarTM HRP Chemiluminescence Kit (Bio-Rad). Glyceraldehyde-3-phosphate dehydrogenase (GAPDH) was used as the internal loading control.
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