Journal: International Journal of Molecular Medicine

Article Title: DUSP26: Unveiling a critical molecular mediator and therapeutic target in developmental dysplasia of the hip-associated secondary osteoarthritis

doi: 10.3892/ijmm.2026.5776

Figure Lengend Snippet: Significant Ups genes in the acetabular cartilage of the rats with DDH, as determined by mRNA-seq analysis. (A) Neonatal rats were subjected to straight-leg swaddling for 10 days. A total of 4 weeks later, (a) morphology, (b) H&E staining and (c) SO/FG staining were assessed in the hip joints of the rats. (B) Immunohistochemical staining and (E) semi-quantitative analysis of COL2A1 in the acetabular cartilage of the 4-week-old control rats and rats with DDH. (C) Relative gene expression levels of COL2A1, IL-1β and IL-6 in the acetabular cartilage of the 4-week-old control rats and rats with DDH, as determined by reverse transcription-quantitative PCR. (D) Levels of IL-6 in the supernatants of acetabular cartilage from the 4-week-old rats with DDH, as determined by ELISA. (F) Significant Ups in the acetabular cartilage of rats with DDH were identified by mRNA-seq analysis with the screening criteria of log 2 FC >4 and P.adj<0.01. Principal component analysis results and a heatmap of these significant Ups are shown. (G) GO enrichment analysis of significant Ups in the acetabular cartilage of the rats with DDH. Data are presented as the mean ± SD. *** P<0.001. (C-E) Representative results of four independent experiments are shown. Ups, upregulated genes; BP, biological process; CC, cellular component; COL2A1, type II collagen; DDH, developmental dysplasia of the hip; FC, fold change; GO, Gene Ontology; H&E, hematoxylin and eosin; IHC, immunohistochemistry; IL, interleukin; IOD, integrated optical density; MF, molecular function; mRNA-seq, mRNA sequencing; SO/FG, Safranin O/Fast Green.

Article Snippet: Protein concentrations were measured using a BCA assay kit (cat. no. PK10026; Wuhan Sanying Biotechnology), and the levels of TNF-α and IL-6 in the tissue homogenates and cell supernatants were measured using the Rat TNF-α ELISA Kit (cat. no. EK382; Multi Sciences Biotech) and Rat IL-6 ELISA Kit (cat. no. EK306; Multi Sciences Biotech), according to the manufacturers' instructions.

Techniques: Staining, Immunohistochemical staining, Control, Gene Expression, Reverse Transcription, Real-time Polymerase Chain Reaction, Enzyme-linked Immunosorbent Assay, Immunohistochemistry, Sequencing

Journal: International Journal of Molecular Medicine

Article Title: DUSP26: Unveiling a critical molecular mediator and therapeutic target in developmental dysplasia of the hip-associated secondary osteoarthritis

doi: 10.3892/ijmm.2026.5776

Figure Lengend Snippet: DUSP26 overexpression alleviates IL-1β-induced chondrocyte injury. Rat DUSP26 overexpression adenovirus was constructed and used to infect chondrocytes. After 24 h, the chondrocytes were subjected to 10 ng/ml IL-1β. (A) Expression levels of COL2A1 and COL1A1 in the chondrocytes were detected by RT-qPCR and western blotting. (B) Relative mRNA expression levels of TNF-α and IL-6 in the chondrocytes were determined by RT-qPCR. (C) Levels of TNF-α and IL-6 in the supernatants of the chondrocytes were determined by ELISA. Two adenovirus-mediated shRNAs against rat DUSP26 were constructed and used to infect chondrocytes. After 24 h, the chondrocytes were subjected to 10 ng/ml IL-1β. (D) Expression levels of COL2A1 and COL1A1 in the chondrocytes were evaluated by RT-qPCR and western blotting. (E) Relative mRNA expression levels of TNF-α and IL-6 in the chondrocytes were determined by RT-qPCR. (F) Levels of TNF-α and IL-6 in the supernatants of the chondrocytes were detected by ELISA. Data are presented as the mean ± SD. * P<0.05, ** P<0.01 and *** P<0.001. Representative results of three independent experiments are shown. COL1A1, type I collagen; COL2A1, type II collagen; EP, empty adenoviral vector; DUSP26, dual-specificity phosphatase 26; IL, interleukin; NC, negative control; RT-qPCR, reverse transcription-quantitative PCR; sh, short hairpin.

Article Snippet: Protein concentrations were measured using a BCA assay kit (cat. no. PK10026; Wuhan Sanying Biotechnology), and the levels of TNF-α and IL-6 in the tissue homogenates and cell supernatants were measured using the Rat TNF-α ELISA Kit (cat. no. EK382; Multi Sciences Biotech) and Rat IL-6 ELISA Kit (cat. no. EK306; Multi Sciences Biotech), according to the manufacturers' instructions.

Techniques: Over Expression, Construct, Expressing, Quantitative RT-PCR, Western Blot, Enzyme-linked Immunosorbent Assay, Plasmid Preparation, Negative Control, Reverse Transcription, Real-time Polymerase Chain Reaction

Journal: Bioactive Materials

Article Title: Bioengineered extracellular vesicles escape lysosomal degradation and deliver Tet-PKM2 for macrophage immunometabolic reprogramming and periodontitis treatment

doi: 10.1016/j.bioactmat.2026.01.002

Figure Lengend Snippet: Immunomodulatory effects of the bioengineered LEVs Tet−PKM2 @TA in terms of their ability to modulate macrophage polarization in vitro . The macrophages were treated with 100 ng/mL LPS for 24 h and then treated with PBS (Control), 100 μg/mL LEVs PKM2 , LEVs Tet−PKM2 , or LEVs Tet−PKM2 @TA for another 24 h. ( A ) The relative mRNA expression levels of M1 polarization-related genes ( IL-6 and IL-1β ) and M2 polarization-related genes ( IL-4 and Arg-1 ) in the Control, LEVs PKM2 , LEVs Tet−PKM2 , and LEVs Tet−PKM2 @TA groups (qRT‒PCR) ( n = 3). ( B ) Concentrations of M1-related cytokines (IL-6 and TNF-α) and M2-related cytokines (IL-4 and IL-10) in the supernatants of the Control, LEVs PKM2 , LEVs Tet−PKM2 , and LEVs Tet−PKM2 @TA groups (ELISA) ( n = 3). ( C ) Representative immunofluorescence images and quantification of the expression levels of M1-related proteins (iNOS and CCR7) and M2-related proteins (CD163, CD206, and Arg-1) in the Control, LEVs PKM2 , LEVs Tet−PKM2 , and LEVs Tet−PKM2 @TA groups ( n = 3). The data are expressed as the mean ± SEM. Statistical analysis was performed with one-way ANOVA ( A , B , and C ). ∗ p < 0.05, ∗∗ p < 0.01, and ∗∗∗ p < 0.001 indicate significant differences between the indicated columns.

Article Snippet: Kits were sourced as follows: TNF-α, IL-4, and IL-10 from Fankew (Shanghai Kexing Trading Co., Ltd., China) and IL-6 from Proteintech.

Techniques: In Vitro, Control, Expressing, Enzyme-linked Immunosorbent Assay, Immunofluorescence

Journal: Materials Today Bio

Article Title: One-step green assembly of natural polyphenol-based nobiletin nanoparticles for ulcerative colitis therapy

doi: 10.1016/j.mtbio.2026.102887

Figure Lengend Snippet: | In vivo anti-oxidant and anti-inflammatory effects of NTAl NPs against UC. A) H&E-stained sections of mouse colon following treatment with indicated materials. B) H&E staining histological scores. C) Typical TEM images showing the microstructures of colonic epitheliums. D-F) the expression of oxidative stress markers including MDA(D), SOD (E), and GSH-Px (F). G-J) the expression of colonic inflammatory cytokines including pro-inflammatory cytokines TNF-α (G), IL-1β (H), IL-6 (I) and anti-inflammatory cytokines IL-10 (J). All data are shown as mean ± s.d; n = 6. ∗ P < 0.05, ∗∗ P < 0.01, ∗∗∗ P < 0.001.

Article Snippet: Commercial ELISA kits including Mouse TNF-α (EK282, Multi Sciences), Mouse IL-1β (EK201B, Multi Sciences), Mouse IL-6 (EK206, Multi Sciences), and Mouse IL-10 (EK210, Multi Sciences) were used to quantify pro-inflammatory cytokines and the anti-inflammatory cytokine according to the manufacturer's instructions.

Techniques: In Vivo, Staining, Expressing

Journal: Journal of Advanced Research

Article Title: Shikonin nasal spray film preparation promoted the repair of nasal mucosal injury by the interaction of shikonin with interleukin-6

doi: 10.1016/j.jare.2025.06.043

Figure Lengend Snippet: The binding ability between shikonin and IL-6. PPI analysis of differential genes (a). The bio-layer interferometry (b), ultrafiltration affinity (c, n = 5), molecular docking (d), and molecular dynamics simulation (e-g) between shikonin and IL-6.

Article Snippet: Recombinant IL-6 protein (cat: HY-P7044 and HY-P7044B) was obtained from MedChemExpress.

Techniques: Binding Assay

Journal: Molecular Medicine Reports

Article Title: Naringin ameliorates intestinal injury in ulcerative colitis model mice by modulating the JAK2/STAT3 signaling pathway

doi: 10.3892/mmr.2026.13805

Figure Lengend Snippet: Naringin inhibits JAK2/STAT3 signaling and restores tight junction proteins in dextran sulfate sodium-induced colitis. (A) Representative western blotting images of p-JAK2, JAK2, p-STAT3, STAT3, IL-6, occludin, ZO-1 and β-actin expression in colon tissues. Densitometric semi-quantification of the relative protein expression levels of (B) p-JAK2/β-actin, (C) JAK2/β-actin, (D) p-JAK2/JAK2, (E) p-STAT3/β-actin, (F) STAT3/β-actin, (G) p-STAT3/STAT3, (H) IL-6/β-actin, (I) occludin/β-actin and (J) ZO-1/β-actin. Data are presented as mean ± SEM. n=3. *P<0.05 and **P<0.01 vs. control group; # P<0.05 and ## P<0.01 vs. normal group. One-way ANOVA followed by Tukey's post-hoc test was applied. N, normal group; C, control group; Nar, naringin group; Mes, mesalazine group; p-, phosphorylated; JAK2, Janus kinase 2; STAT3, signal transducer and activator of transcription 3; IL-6, ZO-1, zona occludens-1.

Article Snippet: The membranes were blocked with 5% non-fat dry milk in Tris-buffered saline containing 0.1% Tween-20 (TBST) for 2 h at room temperature, then incubated at 4°C overnight with primary antibodies against IL-6 (1:1,000; cat. no. Bs-0782R; BIOSS), phosphorylated (p-)JAK2 (1:1,000; cat. no. bs-2485R; BIOSS), JAK2 (1:1,000; cat. no. bs-0908R; BIOSS), p-STAT3 (1:1,000; cat. no. bs-1658R; BIOSS), STAT3 (1:1,000; cat. no. bs-55208R; BIOSS), occludin (1:1,000; cat. no. A2601; ABclonal Biotech Co., Ltd.), zona occludens-1 (ZO-1; 1:1,000; cat. no. A0659; ABclonal Biotech Co., Ltd.) and β-actin (1:1,000; cat. no. ab8227; Abcam).

Techniques: Western Blot, Expressing, Control

Journal: Molecular Medicine Reports

Article Title: Naringin ameliorates intestinal injury in ulcerative colitis model mice by modulating the JAK2/STAT3 signaling pathway

doi: 10.3892/mmr.2026.13805

Figure Lengend Snippet: Naringin restores barrier function in IL-6-induced Caco-2 cells. (A) Transepithelial electrical resistance values over time. (B) Fluorescein isothiocyanate-dextran 4 kDa permeability assay. n=6. Data are presented as mean ± SEM. **P<0.01 vs. IL-6 group; ## P<0.01 vs. normal group. One-way ANOVA followed by Tukey's post-hoc test was applied. Nar, naringin.

Article Snippet: The membranes were blocked with 5% non-fat dry milk in Tris-buffered saline containing 0.1% Tween-20 (TBST) for 2 h at room temperature, then incubated at 4°C overnight with primary antibodies against IL-6 (1:1,000; cat. no. Bs-0782R; BIOSS), phosphorylated (p-)JAK2 (1:1,000; cat. no. bs-2485R; BIOSS), JAK2 (1:1,000; cat. no. bs-0908R; BIOSS), p-STAT3 (1:1,000; cat. no. bs-1658R; BIOSS), STAT3 (1:1,000; cat. no. bs-55208R; BIOSS), occludin (1:1,000; cat. no. A2601; ABclonal Biotech Co., Ltd.), zona occludens-1 (ZO-1; 1:1,000; cat. no. A0659; ABclonal Biotech Co., Ltd.) and β-actin (1:1,000; cat. no. ab8227; Abcam).

Techniques: Permeability

Journal: Molecular Medicine Reports

Article Title: Naringin ameliorates intestinal injury in ulcerative colitis model mice by modulating the JAK2/STAT3 signaling pathway

doi: 10.3892/mmr.2026.13805

Figure Lengend Snippet: Naringin reverses IL-6-induced ZO-1 and occludin impairment in a STAT3-dependent manner. (A) Immunofluorescence staining for ZO-1 (blue) and occludin (green); nuclei were stained with DAPI (cyan). Merged shows the merged images of DAPI and respective protein staining. Quantitative analysis of relative (B) ZO-1 and (C) occludin protein expression. (n=3). Data are presented as mean ± SEM. *P<0.05 and **P<0.01 vs. IL-6 group; ## P<0.01 vs. normal group. One-way ANOVA followed by Tukey's post-hoc test was applied. ZO-1, zona occludens-1; N, normal group; Nar, naringin; STAT3, signal transducer and activator of transcription 3; si, small interfering RNA; NC, negative control.

Article Snippet: The membranes were blocked with 5% non-fat dry milk in Tris-buffered saline containing 0.1% Tween-20 (TBST) for 2 h at room temperature, then incubated at 4°C overnight with primary antibodies against IL-6 (1:1,000; cat. no. Bs-0782R; BIOSS), phosphorylated (p-)JAK2 (1:1,000; cat. no. bs-2485R; BIOSS), JAK2 (1:1,000; cat. no. bs-0908R; BIOSS), p-STAT3 (1:1,000; cat. no. bs-1658R; BIOSS), STAT3 (1:1,000; cat. no. bs-55208R; BIOSS), occludin (1:1,000; cat. no. A2601; ABclonal Biotech Co., Ltd.), zona occludens-1 (ZO-1; 1:1,000; cat. no. A0659; ABclonal Biotech Co., Ltd.) and β-actin (1:1,000; cat. no. ab8227; Abcam).

Techniques: Immunofluorescence, Staining, Expressing, Small Interfering RNA, Negative Control

Journal: Molecular Medicine Reports

Article Title: Naringin ameliorates intestinal injury in ulcerative colitis model mice by modulating the JAK2/STAT3 signaling pathway

doi: 10.3892/mmr.2026.13805

Figure Lengend Snippet: Naringin suppresses JAK2/STAT3 activation in IL-6-stimulated Caco-2 cells with STAT3 silencing. (A) Western blot analysis of p-JAK2, JAK2, p-STAT3, STAT3, occludin and ZO-1 in Caco-2 cells under indicated treatments. (B) Validation of STAT3 knockdown efficiency: Relative STAT3 expression in cells transfected with siSTAT3 vs. siNC. ## P<0.01 vs. siNC. Densitometric semi-quantification of relative protein expression levels of (C) p-JAK2/β-actin, (D) JAK2/β-actin, (E) p-JAK2/JAK2, (F) p-STAT3/β-actin, (G) STAT3/β-actin, (H) p-STAT3/ STAT3, (I) occludin/β-actin, (J) ZO-1/β-actin. Data are presented as mean ± SEM. n=3. *P<0.05 and **P<0.01 vs. IL-6 group; ## P<0.01 vs. normal group; Δ P<0.05 and ΔΔ P<0.01 IL-6 + Nar group vs. IL-6 + Nar + siSTAT3 group. One-way ANOVA followed by Tukey's post-hoc test was applied. N, normal group; Nar, naringin group; Mes, mesalazine group; p-, phosphorylated; JAK2, Janus kinase 2; STAT3, signal transducer and activator of transcription 3; ZO-1, zona occludens-1; si, small interfering RNA; NC, negative control.

Article Snippet: The membranes were blocked with 5% non-fat dry milk in Tris-buffered saline containing 0.1% Tween-20 (TBST) for 2 h at room temperature, then incubated at 4°C overnight with primary antibodies against IL-6 (1:1,000; cat. no. Bs-0782R; BIOSS), phosphorylated (p-)JAK2 (1:1,000; cat. no. bs-2485R; BIOSS), JAK2 (1:1,000; cat. no. bs-0908R; BIOSS), p-STAT3 (1:1,000; cat. no. bs-1658R; BIOSS), STAT3 (1:1,000; cat. no. bs-55208R; BIOSS), occludin (1:1,000; cat. no. A2601; ABclonal Biotech Co., Ltd.), zona occludens-1 (ZO-1; 1:1,000; cat. no. A0659; ABclonal Biotech Co., Ltd.) and β-actin (1:1,000; cat. no. ab8227; Abcam).

Techniques: Activation Assay, Western Blot, Biomarker Discovery, Knockdown, Expressing, Transfection, Small Interfering RNA, Negative Control