Journal: Dose-Response

Article Title: Skeletal Stem Cells Rescue Radiation-Induced Osteogenic Precursor Cell Dysfunction via the Wnt/β-Catenin Signaling Pathway

doi: 10.1177/15593258261440983

Figure Lengend Snippet: Co-culture with SSCs rescues the function of irradiated osteogenic precursor cells. (A, B) Cell apoptosis was analyzed by flow cytometry with Annexin V-PE/7AAD double staining. (A) Representative flow cytometry plots. (B) Quantitative analysis of the apoptotic rate. (C, D) ALP activity was assessed. (C) Representative ALP staining images (Scale bar: 50 μm). (D) Quantitative analysis of the relative ALP activity. (E, F) Mineralization capacity was evaluated using Alizarin Red S staining. (E) Representative staining images of mineralized nodules (Scale bar: 100 μm). (F) Quantitative analysis of the relative mineralization level. (G, H) Cell migration was determined by a migration assay. (G) Representative images of migrated cells (Scale bar: 50 μm). (H) Quantitative analysis of the relative cell migration level. All data are presented as mean ± SD, with statistical significance determined by unpaired two-tailed Student’s t-test (* p < 0.05; ** p < 0.01).

Article Snippet: After irradiation and corresponding interventions, cells were cultured in osteogenic induction medium (iXCells Biotechnologies, San Diego, CA, Cat. No. MD-0006) for 7 days.

Techniques: Co-Culture Assay, Irradiation, Flow Cytometry, Double Staining, Activity Assay, Staining, Migration, Two Tailed Test

Journal: Dose-Response

Article Title: Skeletal Stem Cells Rescue Radiation-Induced Osteogenic Precursor Cell Dysfunction via the Wnt/β-Catenin Signaling Pathway

doi: 10.1177/15593258261440983

Figure Lengend Snippet: SSCs exert rescue effects via the Wnt/β-catenin signaling pathway. (A) Representative ALP staining images of cells in each group (Scale bar: 50 μm). (B) Quantitative analysis of ALP activity in each group. (C) Representative Alizarin Red S staining images of cells in each group (Scale bar: 100 μm). (D) Quantitative analysis of Alizarin Red S staining in each group. (E) Relative mRNA expression levels of osteogenic marker genes ( Runx2 , Col1a1 , and OCN ) detected by qRT-PCR. GAPDH was used as an internal reference gene. (F) Representative Western blot images showing the expression levels of RUNX2, COL1A1, OCN, and β-catenin in each group. GAPDH was used as a loading control. (G) Quantitative analysis of Western blot results (gray value ratio of target protein to GAPDH) in each group. All data are presented as mean ± SD, with statistical significance determined by unpaired two-tailed Student’s t-test (* p < 0.05; ** p < 0.01; *** p < 0.001).

Article Snippet: After irradiation and corresponding interventions, cells were cultured in osteogenic induction medium (iXCells Biotechnologies, San Diego, CA, Cat. No. MD-0006) for 7 days.

Techniques: Staining, Activity Assay, Expressing, Marker, Quantitative RT-PCR, Western Blot, Control, Two Tailed Test

Journal: Dose-Response

Article Title: Skeletal Stem Cells Rescue Radiation-Induced Osteogenic Precursor Cell Dysfunction via the Wnt/β-Catenin Signaling Pathway

doi: 10.1177/15593258261440983

Figure Lengend Snippet: SSCs alleviate the radiation-induced bone injury in mice. (A–G) Micro-CT analysis of bone microstructure. (A) Representative micro-CT images of femurs. Quantitative analysis of (B) bone mineral density (BMD), (C) bone volume fraction (BV/TV), (D) trabecular thickness (Tb.Th), (E) trabecular number (Tb.N), (F) connectivity density (Conn.D), and (G) trabecular separation (Tb.Sp) at 2- and 4-weeks post irradiation. (H–K) Histological analysis (Scale bar: 100 μm). (H) H&E staining showing steatosis (arrows) and (I) quantitative analysis of steatotic lesions per field. (J) TRAP staining showing osteoclasts (arrows) and (K) quantitative analysis of osteoclast number per field. (L–O) Immunohistochemical staining of osteogenic markers (Scale bar: 100 μm). (L) Osterix staining and (M) quantitative analysis of Osterix-positive area. (N) β-catenin staining and (O) quantitative analysis of β-catenin-positive area. All experiments were conducted in three groups: Control, irradiation (IR), and IR plus SSC (IR+SSC) at 2- and 4-weeks post-irradiation. All data are presented as mean ± SD, with statistical significance determined by unpaired two-tailed Student’s t-test (* p < 0.05; ** p < 0.01; *** p < 0.001)

Article Snippet: After irradiation and corresponding interventions, cells were cultured in osteogenic induction medium (iXCells Biotechnologies, San Diego, CA, Cat. No. MD-0006) for 7 days.

Techniques: Micro-CT, Irradiation, Staining, Immunohistochemical staining, Control, Two Tailed Test

Journal: Cells

Article Title: Heat-Treated Lacticaseibacillus rhamnosus Strains Modulate Inflammatory and Metabolic Processes in In Vitro Systems Relevant to Canine Osteoarthritis

doi: 10.3390/cells15040336

Figure Lengend Snippet: Screening of the anti-inflammatory effect of different heat-treated strains in canine chondrocytes. IL-6 secretion by primary canine chondrocytes stimulated with IL-1β was measured in the presence of a collection of candidates. Data are represented as the percentage of IL-6 secretion relative to IL-1β stimulated condition without inactivated cells. Control condition refers to chondrocytes stimulated with IL-1β, whereas negative control (NC) corresponds to chondrocytes without stimulation. Data are presented as the mean ± SD of three independent experiments. Statistical test: One-way ANOVA with Dunnett’s multiple comparisons test (Postbiotic vs. Control). Significance levels were indicated as follows: p -value > 0.05 (ns: non-significant), p -value < 0.01(**), p -value < 0.0001 (****).

Article Snippet: Alginate beads were washed 5 times with NaCl solution (0.9%) and finally, one more time in chondrocyte differentiation medium (Cell Applications Inc., San Diego, CA, USA).

Techniques: Control, Negative Control

Journal: Cells

Article Title: Heat-Treated Lacticaseibacillus rhamnosus Strains Modulate Inflammatory and Metabolic Processes in In Vitro Systems Relevant to Canine Osteoarthritis

doi: 10.3390/cells15040336

Figure Lengend Snippet: Insoluble type II collagen production by primary canine chondrocytes cultured in spheroids structure. Data are presented as the mean ± SD of three independent experiments and expressed as the percentage of insoluble type II collagen production relative to the control condition. In the control condition, canine chondrocytes were cultured without supplementation of heat-treated strains. Statistical test: Kruskal-Wallis test, followed by Dunn’s multiple comparison test (Control vs. Postbiotic). Significance levels were indicated as follows: p -value < 0.05 (*).

Article Snippet: Alginate beads were washed 5 times with NaCl solution (0.9%) and finally, one more time in chondrocyte differentiation medium (Cell Applications Inc., San Diego, CA, USA).

Techniques: Cell Culture, Control, Comparison

Journal: Cells

Article Title: Melatonin Attenuates Spinal Cord Injury in Mice by Activating the Nrf2/ARE Signaling Pathway to Inhibit the NLRP3 Inflammasome

doi: 10.3390/cells11182809

Figure Lengend Snippet: The oxidative damage scavenging effect of melatonin in neuron cells. ( A ) The survival rates of PC12 cells that received different concentrations of melatonin treatment were detected using a CCK-8 kit (n = 8). ( B ) The ROS produced in PC12 cells that received different treatments were detected by ROS staining (n = 6, scale bar = 100 µm). ( C , D ) The mitochondrial membrane potential in PC12 cells treated with drugs was detected by JC-1 staining (n = 8, scale bar = 100 µm). ( E – G ) The contents of SOD and MDA and the activity of GSH-PX were detected using the corresponding kits in PC12 cells treated with different treatment factors (n = 10). Data are shown as the means ± SD; * p < 0.05, ** p < 0.01, *** p < 0.001.

Article Snippet: The levels of IL-1β and IL-18 were measured in the PC12 cell culture medium using ELISA kits according to the manufacturer’s instructions (Elabscience, China).

Techniques: CCK-8 Assay, Produced, Staining, Membrane, Activity Assay

Journal: Cells

Article Title: Melatonin Attenuates Spinal Cord Injury in Mice by Activating the Nrf2/ARE Signaling Pathway to Inhibit the NLRP3 Inflammasome

doi: 10.3390/cells11182809

Figure Lengend Snippet: Melatonin suppresses the NLRP3 inflammasome in PC12 cells treated with H2O2 by activating the Nrf2/ARE pathway. ( A – I ) Western blot detection and statistical analysis of NLRP3-inflammasome-related proteins NLRP3, caspase-1, ASC, and IL-1β; and antioxidant-stress-related proteins nuclear Nrf2, HO-1, and NQO-1 in PC12 cells from each group (n = 6). ( J , K ) The levels of IL-1β and IL-18 in the supernatant of PC12 cells were determined by ELISA kits (n = 6). Data are shown as the means ± SD; * p < 0.05, ** p < 0.01, *** p < 0.001.

Article Snippet: The levels of IL-1β and IL-18 were measured in the PC12 cell culture medium using ELISA kits according to the manufacturer’s instructions (Elabscience, China).

Techniques: Western Blot, Enzyme-linked Immunosorbent Assay

Journal: Cells

Article Title: Melatonin Attenuates Spinal Cord Injury in Mice by Activating the Nrf2/ARE Signaling Pathway to Inhibit the NLRP3 Inflammasome

doi: 10.3390/cells11182809

Figure Lengend Snippet: Immunofluorescence double staining of Nrf2 and NLRP3 in PC12 cells treated with H2O2. Immunofluorescence double staining was performed to test the protein level of Nrf2 ( A , B ) and NLRP3 ( C , D ) in PC12 cells from each group (n = 8, scale bar = 100 µm). Data are shown as the means ± SD; * p < 0.05, ** p < 0.01, *** p < 0.001.

Article Snippet: The levels of IL-1β and IL-18 were measured in the PC12 cell culture medium using ELISA kits according to the manufacturer’s instructions (Elabscience, China).

Techniques: Immunofluorescence, Double Staining