Journal: Drug Design, Development and Therapy

Article Title: Astragaloside IV Promotes Osteogenic Differentiation of Periodontal Ligament Stem Cells via Activating PI3K/AKT/eNOS/NO Signaling Pathway: In vitro and in vivo Study

doi: 10.2147/DDDT.S514682

Figure Lengend Snippet: Effect of AS-IV on proliferation and osteogenic differentiation of PDLSCs. ( A ) CCK-8 analysis of AS-IV effects on PDLSCs on day 1, 3, and 5. ( B and C ) ALP activity ( B ) and extracellular matrix mineralization ( C ) quantification of PDLSCs affected by AS-IV. ( D ) ALP staining. Scale bar: 500 μm. ( E ) Alizarin Red staining. Scale bar: 500 μm. ( F – H ) qRT-PCR analysis of COL-1 (F), ALP(G), and RUNX-2 ( H ) in PDLSCs cultured with AS-IV. ( I – L ) Western blot and semi-quantitative analysis of COL-1 (J), ALP(K), and RUNX-2 ( L ) in PDLSCs cultured with AS-IV. 20 μM AS-IV group had a significant promoting effect. Data are presented as mean ± SD. ** P <0.01, *** P <0.001, **** P <0.0001. Each experiment was repeated five times.

Article Snippet: Incubate the membrane with primary antibodies toward target proteins including ALP (Proteintech, 11187-1-AP, 1:1000), RUNX-2 (ImmunoWay, YM8347, 1:2000), COL-1 (Proteintech, 67288-1-Ig, 1:5000), eNOS (Abways, AB3537, 1:500), iNOS (Abways, CY3425, 1:500), p-AKT (Abways, CY6569, 1:1000), AKT (Abways, CY5561, 1:1000) and GAPDH (Proteintech, 10494-1-AP, 1:5000) overnight at 4°C.

Techniques: CCK-8 Assay, Activity Assay, Staining, Quantitative RT-PCR, Cell Culture, Western Blot

Journal: Drug Design, Development and Therapy

Article Title: Astragaloside IV Promotes Osteogenic Differentiation of Periodontal Ligament Stem Cells via Activating PI3K/AKT/eNOS/NO Signaling Pathway: In vitro and in vivo Study

doi: 10.2147/DDDT.S514682

Figure Lengend Snippet: Effect of LY294002 on osteogenic differentiation and pathway-associated factor of PDLSCs following AS-IV incubation. ( A and D ) ALP staining( A ) and ALP activity quantification( D ) of PDLSCs affected by LY294002. Scale bar: 500 μm. ( B and E ) Immunofluorescence staining( B ) of COL-1 (green) and DAPI staining (blue) and quantification(E). Scale bar: 50 μm. ( C and F ) Immunofluorescence staining( C ) of eNOS (green) and DAPI staining (blue) and quantification(F). Scale bar: 50 μm. ( G ) NO2- concentration represented the level of NO in cell supernatants. ( H–K ) Western blot and semi-quantitative analysis of COL-1(I), ALP(J), and RUNX-2 ( K ) in PDLSCs cultured with AS-IV and LY294002. ( L–O ) Western blot and semi-quantitative analysis of eNOS(M), iNOS( N ) and p-AKT/AKT ( O ) after addition of AS-IV at different time points. ( P–S ) Western blot and semi-quantitative analysis of eNOS(Q), iNOS( R ) and p-AKT/AKT ( S ) in PDLSCs cultured with AS-IV and LY294002. Data are presented as mean ± SD. * P <0.05, ** P <0.01, *** P <0.001, **** P <0.0001. Each experiment was repeated five times.

Article Snippet: Incubate the membrane with primary antibodies toward target proteins including ALP (Proteintech, 11187-1-AP, 1:1000), RUNX-2 (ImmunoWay, YM8347, 1:2000), COL-1 (Proteintech, 67288-1-Ig, 1:5000), eNOS (Abways, AB3537, 1:500), iNOS (Abways, CY3425, 1:500), p-AKT (Abways, CY6569, 1:1000), AKT (Abways, CY5561, 1:1000) and GAPDH (Proteintech, 10494-1-AP, 1:5000) overnight at 4°C.

Techniques: Incubation, Staining, Activity Assay, Immunofluorescence, Concentration Assay, Western Blot, Cell Culture

Journal: Drug Design, Development and Therapy

Article Title: Astragaloside IV Promotes Osteogenic Differentiation of Periodontal Ligament Stem Cells via Activating PI3K/AKT/eNOS/NO Signaling Pathway: In vitro and in vivo Study

doi: 10.2147/DDDT.S514682

Figure Lengend Snippet: Effect of L-NAME on osteogenic differentiation and pathway-associated factor of PDLSCs following AS-IV incubation. ( A and B ) ALP staining( A ) and ALP activity quantification( B ) of PDLSCs affected by L-NAME. Scale bar: 500 μm. ( C and D ) Immunofluorescence staining( C ) of COL-1 (green) and DAPI staining (blue) and quantification(D). Scale bar: 50 μm. ( E–H ) Western blot and semi-quantitative analysis of COL-1 (F), ALP(G), and RUNX-2 ( H ) in PDLSCs cultured with AS-IV and L-NAME. ( I–K ) Western blot and semi-quantitative analysis of eNOS( J ) and p-AKT/AKT ( K ) in PDLSCs cultured with AS-IV and L-NAME. Data are presented as mean ± SD. * P <0.05, ** P <0.01, *** P <0.001, **** P <0.0001. ns: P> 0.05. Each experiment was repeated five times.

Article Snippet: Incubate the membrane with primary antibodies toward target proteins including ALP (Proteintech, 11187-1-AP, 1:1000), RUNX-2 (ImmunoWay, YM8347, 1:2000), COL-1 (Proteintech, 67288-1-Ig, 1:5000), eNOS (Abways, AB3537, 1:500), iNOS (Abways, CY3425, 1:500), p-AKT (Abways, CY6569, 1:1000), AKT (Abways, CY5561, 1:1000) and GAPDH (Proteintech, 10494-1-AP, 1:5000) overnight at 4°C.

Techniques: Incubation, Staining, Activity Assay, Immunofluorescence, Western Blot, Cell Culture

Journal: Drug Design, Development and Therapy

Article Title: Astragaloside IV Promotes Osteogenic Differentiation of Periodontal Ligament Stem Cells via Activating PI3K/AKT/eNOS/NO Signaling Pathway: In vitro and in vivo Study

doi: 10.2147/DDDT.S514682

Figure Lengend Snippet: Hematoxylin and eosin staining and immunohistochemical staining. ( A ) HE staining of the tension-side periodontal tissues of the control group (A-a) and AS-IV group (A-b) after OTM for 14 days. Scale bar: 50 μm. ( B ) Expression of ALP of the control group (B-a) and AS-IV group (B-b) after OTM for 14 days and quantitative analysis (B-c). Scale bar: 20 μm. ( C ) Expression of COL-1 of the control group (C-a) and AS-IV group (C-b) after OTM for 14 days and quantitative analysis (C-c). Scale bar: 20 μm. ( D ) Expression of eNOS of the control group (D-a) and AS-IV group (D-b) after OTM for 14 days and quantitative analysis (D-c). Scale bar: 20 μm. Data are presented as mean ± SD (n=8 rat/group). * P <0.05, ** P <0.01.

Article Snippet: Incubate the membrane with primary antibodies toward target proteins including ALP (Proteintech, 11187-1-AP, 1:1000), RUNX-2 (ImmunoWay, YM8347, 1:2000), COL-1 (Proteintech, 67288-1-Ig, 1:5000), eNOS (Abways, AB3537, 1:500), iNOS (Abways, CY3425, 1:500), p-AKT (Abways, CY6569, 1:1000), AKT (Abways, CY5561, 1:1000) and GAPDH (Proteintech, 10494-1-AP, 1:5000) overnight at 4°C.

Techniques: Staining, Immunohistochemical staining, Control, Expressing

Journal: Frontiers in Bioengineering and Biotechnology

Article Title: Extracellular vesicles secreted by human gingival mesenchymal stem cells promote bone regeneration in rat femoral bone defects

doi: 10.3389/fbioe.2023.1098172

Figure Lengend Snippet: Effects of EVs on the osteogenic differentiation of rBMSCs (A) The observation of ALP and alizarin red staining (B) Quantification of ALP activity (C) Quantification of alizarin red staining (D) The expression of osteogenic genes (ALP, OCN and RUNX2) (E) The expression of osteogenic proteins (ALP, OCN and RUNX2). a, p < 0.05 compared with the control group; b, p < 0.05 compared with the 25 μg/ml EVs group; c, p < 0.05 compared with the 50 μg/ml EVs group.

Article Snippet: Western blotting was performed to detect the expression of osteogenesis-related proteins ALP (No. 60294-1-Ig, Proteintech), OCN (GTX64348, GeneTex) and RUNX2 (No. 20700-1-AP, Proteintech).

Techniques: Staining, Activity Assay, Expressing