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Journal: Autophagy
Article Title: Pycard deficiency inhibits microRNA maturation and prevents neointima formation by promoting chaperone-mediated autophagic degradation of AGO2/argonaute 2 in adipose tissue.
doi: 10.1080/15548627.2023.2277610
Figure Lengend Snippet: Figure 3. AGO2 is degraded through chaperone-mediated autophagy pathway. Stromal vascular fraction isolated from WT mice were differentiated into adipocytes and used for the following experiments. (A-B) immunoblotting analysis of AGO2 expression in the cells treated with 10 µM lactacystin for indicated time. (C-D) cells were treated with NH4Cl combined with leupeptin for indicated time, and AGO2 level was measured. (E-G) cells were transfected with control siRNA (siCtrl) or cathepsin B siRNA (siCtsb) or cathepsin D siRNA (siCtsd), and AGO2 level was analyzed. (H-I) immunoblotting analysis of AGO2 expression in the cells transfected with control siRNA (siCtrl) or Ulk1 siRNA (siUlk1). (J-K) cells were treated with 6-AN or starvation for indicated time, and AGO2 level was measured. (L-N) cells were transfected with control siRNA (siCtrl) or Hspa8 siRNA (siHspa8) or Lamp2 siRNA (siLamp2), and AGO2 expression was analyzed. (O) interaction of AGO2 and HSPA8 in adipose tissue were detected by immunoprecipitation and immunoblotting analysis. (P) co-staining of AGO2 and lysosomal HSPA8 in abdominal adipose tissue. Red: AGO2; green: HSPA8; blue: DAPI. (Q) the interaction of AGO2 and LAMP2 in adipose tissue was detected by immunoprecipitation and immunoblotting analysis. (R) co-staining of AGO2 and LAMP2 in abdominal adipose tissue. Red: AGO2; green: LAMP2; blue: DAPI. Data are presented as mean ± SD. * p < 0.05, ** p < 0.01, and n. S. non-significant, derived from Student’s t tests.
Article Snippet: For transfections of Cathepsin B siRNA (Santa Cruz Biotechnology, sc -29,933), Cathepsin D siRNA (Santa Cruz Biotechnology, sc -29,934), Hspa8 siRNA (Santa Cruz Biotechnology, sc -35,593), Lamp2 siRNA (Santa Cruz Biotechnology, sc -35,791),
Techniques: Isolation, Western Blot, Expressing, Transfection, Control, Immunoprecipitation, Staining, Derivative Assay
Journal: Autophagy
Article Title: Pycard deficiency inhibits microRNA maturation and prevents neointima formation by promoting chaperone-mediated autophagic degradation of AGO2/argonaute 2 in adipose tissue.
doi: 10.1080/15548627.2023.2277610
Figure Lengend Snippet: Figure 4. Pycard deficiency promotes CMA-mediated AGO2 degradation in adipocytes. Stromal vascular fraction isolated from WT and pycard−/− mice were differentiated into adipocytes and used for the following experiments. (A-B) cells were treated with NH4Cl (N) combined with leupeptin (L) for 24 h. AGO2 level was detected by immunoblotting analysis. The ratio of N/L to veh treatment after normalization by endogenous control. (C-D) cells were transfected with control siRNA (siCtrl) or Hspa8 siRNA (siHspa8), AGO2 protein level was measured by immunoblotting analysis. (E-F) cells were transfected with control siRNA (siCtrl) or Lamp2 siRNA (siLamp2), and western blot was performed to measure AGO2 protein expression. (G-H) cells were transfected with control siRNA (siCtrl) or Ulk1 siRNA (siUlk1), andAGO2 protein expression was analyzed by immunoblotting analysis. (I) the interaction of AGO2 and HSPA8 in differentiated adipocytes was determined by immunoprecipitation and immunoblotting analysis. (J) the interaction of AGO2 and LAMP2 was analyzed in differentiated adipocytes. Data are presented as mean ± SD. * p < 0.05, ** p < 0.01, and n.S. non-significant, derived from Student’s t tests.
Article Snippet: For transfections of Cathepsin B siRNA (Santa Cruz Biotechnology, sc -29,933), Cathepsin D siRNA (Santa Cruz Biotechnology, sc -29,934), Hspa8 siRNA (Santa Cruz Biotechnology, sc -35,593), Lamp2 siRNA (Santa Cruz Biotechnology, sc -35,791),
Techniques: Isolation, Western Blot, Control, Transfection, Expressing, Immunoprecipitation, Derivative Assay
Journal: Autophagy
Article Title: Pycard deficiency inhibits microRNA maturation and prevents neointima formation by promoting chaperone-mediated autophagic degradation of AGO2/argonaute 2 in adipose tissue.
doi: 10.1080/15548627.2023.2277610
Figure Lengend Snippet: Figure 5. Pycard deficiency promotes PRMT8-mediated AGO2 methylation and increases AGO2 binding to HSPA8. (A) the differentiated WT and pycard−/− adipocytes were treated with NH4Cl combined with leupeptin for 24 h. Acetylated AGO2 level was determined by immunoprecipitation (IP) of acetylate lysin (ac-lysin) and followed by immunoblotting analysis of AGO2. (B) the differentiated WT and pycard−/− adipocytes were treated with NH4Cl combined with leupeptin for 24 h. Methylated AGO2 level was determined by IP of AGO2 and followed by immunoblotting analysis of either SYM10 or ASYM24. (C) Messenger RNA levels of PRMTs in the differentiated WT and pycard−/− adipocytes were analyzed by qRT-PCR. ** p < 0.01. (D) immunoblotting analysis of PRMT8 in epididymal adipose tissue (EpiAdi) or perivascular adipose tissue (PVAT) collected from WT or pycard−/− mice. (E) the differentiated WT or pycard−/− adipocytes were transfected with control siRNA (siCtrl) or Prmt8 siRNA (siPrmt8), protein levels of AGO2 and PRMT8 were detected by immunoblotting analysis. (F) primary mature adipocytes were treated with PRMT8 inhibitor (PRMT8i, GSK3368715, 2 nM) or vehicle (veh) for 48 h. AGO2 methylation level was determined by IP and immunoblotting analysis. (G) primary mature adipocytes were treated with PRMT8 inhibitor (PRMT8i, GSK3368715, 2 nM) or vehicle (veh) for 48 h. The interaction between AGO2 and HSPA8 was determined by IP and immunoblotting analysis. Data are presented as mean ± SD. * p < 0.05, ** p < 0.01, and n.S. non-significant, derived from Student’s t tests.
Article Snippet: For transfections of Cathepsin B siRNA (Santa Cruz Biotechnology, sc -29,933), Cathepsin D siRNA (Santa Cruz Biotechnology, sc -29,934), Hspa8 siRNA (Santa Cruz Biotechnology, sc -35,593), Lamp2 siRNA (Santa Cruz Biotechnology, sc -35,791),
Techniques: Methylation, Binding Assay, Immunoprecipitation, Western Blot, Quantitative RT-PCR, Transfection, Control, Derivative Assay
Journal: Autophagy
Article Title: Pycard deficiency inhibits microRNA maturation and prevents neointima formation by promoting chaperone-mediated autophagic degradation of AGO2/argonaute 2 in adipose tissue.
doi: 10.1080/15548627.2023.2277610
Figure Lengend Snippet: Figure 3. AGO2 is degraded through chaperone-mediated autophagy pathway. Stromal vascular fraction isolated from WT mice were differentiated into adipocytes and used for the following experiments. (A-B) immunoblotting analysis of AGO2 expression in the cells treated with 10 µM lactacystin for indicated time. (C-D) cells were treated with NH4Cl combined with leupeptin for indicated time, and AGO2 level was measured. (E-G) cells were transfected with control siRNA (siCtrl) or cathepsin B siRNA (siCtsb) or cathepsin D siRNA (siCtsd), and AGO2 level was analyzed. (H-I) immunoblotting analysis of AGO2 expression in the cells transfected with control siRNA (siCtrl) or Ulk1 siRNA (siUlk1). (J-K) cells were treated with 6-AN or starvation for indicated time, and AGO2 level was measured. (L-N) cells were transfected with control siRNA (siCtrl) or Hspa8 siRNA (siHspa8) or Lamp2 siRNA (siLamp2), and AGO2 expression was analyzed. (O) interaction of AGO2 and HSPA8 in adipose tissue were detected by immunoprecipitation and immunoblotting analysis. (P) co-staining of AGO2 and lysosomal HSPA8 in abdominal adipose tissue. Red: AGO2; green: HSPA8; blue: DAPI. (Q) the interaction of AGO2 and LAMP2 in adipose tissue was detected by immunoprecipitation and immunoblotting analysis. (R) co-staining of AGO2 and LAMP2 in abdominal adipose tissue. Red: AGO2; green: LAMP2; blue: DAPI. Data are presented as mean ± SD. * p < 0.05, ** p < 0.01, and n. S. non-significant, derived from Student’s t tests.
Article Snippet: For transfections of Cathepsin B siRNA (Santa Cruz Biotechnology, sc -29,933), Cathepsin D siRNA (Santa Cruz Biotechnology, sc -29,934), Hspa8 siRNA (Santa Cruz Biotechnology, sc -35,593),
Techniques: Isolation, Western Blot, Expressing, Transfection, Control, Immunoprecipitation, Staining, Derivative Assay
Journal: Autophagy
Article Title: Pycard deficiency inhibits microRNA maturation and prevents neointima formation by promoting chaperone-mediated autophagic degradation of AGO2/argonaute 2 in adipose tissue.
doi: 10.1080/15548627.2023.2277610
Figure Lengend Snippet: Figure 4. Pycard deficiency promotes CMA-mediated AGO2 degradation in adipocytes. Stromal vascular fraction isolated from WT and pycard−/− mice were differentiated into adipocytes and used for the following experiments. (A-B) cells were treated with NH4Cl (N) combined with leupeptin (L) for 24 h. AGO2 level was detected by immunoblotting analysis. The ratio of N/L to veh treatment after normalization by endogenous control. (C-D) cells were transfected with control siRNA (siCtrl) or Hspa8 siRNA (siHspa8), AGO2 protein level was measured by immunoblotting analysis. (E-F) cells were transfected with control siRNA (siCtrl) or Lamp2 siRNA (siLamp2), and western blot was performed to measure AGO2 protein expression. (G-H) cells were transfected with control siRNA (siCtrl) or Ulk1 siRNA (siUlk1), andAGO2 protein expression was analyzed by immunoblotting analysis. (I) the interaction of AGO2 and HSPA8 in differentiated adipocytes was determined by immunoprecipitation and immunoblotting analysis. (J) the interaction of AGO2 and LAMP2 was analyzed in differentiated adipocytes. Data are presented as mean ± SD. * p < 0.05, ** p < 0.01, and n.S. non-significant, derived from Student’s t tests.
Article Snippet: For transfections of Cathepsin B siRNA (Santa Cruz Biotechnology, sc -29,933), Cathepsin D siRNA (Santa Cruz Biotechnology, sc -29,934), Hspa8 siRNA (Santa Cruz Biotechnology, sc -35,593),
Techniques: Isolation, Western Blot, Control, Transfection, Expressing, Immunoprecipitation, Derivative Assay