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3 protocols using no 14695 1 ap

1

Cardiac Fibrosis Protein Analysis

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Rats were anesthetized with iso urane (3.5%) and sacri ced after receiving HSD for 8 weeks. The hearts were removed, immediately frozen in liquid nitrogen and stored at -70 ℃ until use. Heart tissues or cultured cells were sonicated in RIPA lysis buffer and homogenized. The debris was removed and the supernatant was obtained after centrifugation at 12,000 g for 10 min at 4°C. About 30-50 μg proteins was loaded for electrophoresis, and probed with primary antibodies against collagen I (1:1000; No.14695-1-AP; Proteintech Co., Wuhan, China), α-SMA (1:1000; No.14395-1-AP; Proteintech Co.), TGF-β (1:1000;
No.21898-1-AP; Proteintech Co.). GAPDH (1:1000, AF0006; Beyotime Biotechnology Co., Shanghai, China) was used as internal control. Images were analyzed using the Image-Pro Plus software.
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2

Western Blot Protein Analysis Protocol

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Proteins were extracted from tissues or cells using RIPA lysis buffer (Beyotime). After centrifugation, the supernatant was mixed with 5X loading buffer (Beyotime) and boiled. The denatured proteins were separated by 4–12% or 4–20% SDS polyacrylamide gel (GenScript) and electrophoretically transferred to PVDF membranes (Millipore). The membranes were blocked with 5% nonfat dry milk for 1 h and probed with antibodies against TIPARP (1:100, Abcam ab170817 for Fig. 2; 1:500 ab84664 for the others), GAPDH (1:1000, Cell Signaling Technology #5174), β-actin (1:1000, Cell Signaling Technology #3700), collagen type I (1:1000, Proteintech No. 14695-1-AP), collagen type IV (1:1000, Proteintech No. 55131-1-AP), fibronectin (1:1000, Proteintech No. 15613-1-AP), and α-SMA (1:1000, Abcam ab7817). The membranes were then incubated with peroxidase-linked goat anti-mouse/rabbit IgG secondary antibody (1:3000, Yeasen). Signals were captured on a BioSpectrum imaging system (Ultra-Violet Products) or Kodak Molecular Imaging Software (Kodak).
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3

Comprehensive Cardiac Protein Analysis

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Heart tissues or cultured cells were sonicated in RIPA lysis buffer and homogenized. The debris was removed and the supernatant was obtained after centrifugation at 12,000 g for 10 min at 4°C. About 30–50 μg proteins was loaded for electrophoresis, and probed with primary antibodies against collagen I (1:1000; No.14695-1-AP; Proteintech Co., Wuhan, China), α-SMA (1:1000; No.14395-1-AP; Proteintech Co.), TGF-β (1:1000; No.21898-1-AP; Proteintech Co.), LC3 I/II (1:1000; No.14600-1-AP; Proteintech Co., Wuhan, China), TIM23 (1:1000; No.11123-1-AP; Proteintech Co., Wuhan, China), TOM20 (1:1000; No.66777-1-Ig; Proteintech Co., Wuhan, China), OPTN (1:1000; No.10837-1-AP; Proteintech Co., Wuhan, China), COX4 (1:1000; No.11242-1-AP; Proteintech Co., Wuhan, China). GAPDH (1:1000, AF0006; Beyotime Biotechnology Co., Shanghai, China) was used as internal control. Images were analyzed using the Image-Pro Plus software.
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