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antibodies against tnf α 11948s  (Cell Signaling Technology Inc)


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    Cell Signaling Technology Inc antibodies against tnf α 11948s
    Antibodies Against Tnf α 11948s, supplied by Cell Signaling Technology Inc, used in various techniques. Bioz Stars score: 96/100, based on 509 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/rabbit+anti+tnf+%CE%B1/TNF-alpha+XP+Rabbit+mAb/pm41913595-51-0-19
    Average 96 stars, based on 509 article reviews
    antibodies against tnf α 11948s - by Bioz Stars, 2026-09
    96/100 stars

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    Related Articles

    Incubation:

    Article Title: Transplantation of Skin-Derived Precursor Schwann Cells Ameliorates Secondary Brain Injury after ICH in Mice by Activating the PI3K/AKT/FOXO3a Signaling Pathway.
    Article Snippet: 1 Department of Neurology, Affiliated Hospital of Nantong University, Nantong 226001, PR China 2 Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong 226001, PR China 3 Department of Neurology, Nantong Hospital of Traditional Chinese Medicine, Nantong 226000, PR China Abstract This study investigated the therapeutic potential of skin-derived precursor Schwann cells (SKP-SCs) for secondary brain injury following intracerebral hemorrhage (ICH) and its underlying mechanisms.. An ICH model was established in mice via intrastriatal autologous blood injection.. SKP-SCs were administered intranasally 24 h post-ICH, with the AKT inhibitor GDC0068 used for intervention.

    Article Title: Low molecular weight sulfated galactan attenuates imiquimod-induced psoriasis via suppression of proinflammatory cytokines and keratinocyte hyperproliferation
    Article Snippet: .. The membrane was blocked with 2% BSA (cat. no. 112018, Merck KGaA) in TBS-T (100 mM Tris-base, 150 mM NaCl, 0.1% Tween 20) for 2 h at room temperature and incubated overnight at 4 ̊C with primary antibodies (1:1,000) against mouse anti-Ki67 (cat. no. 14569982, Invitrogen, Thermo Fisher Scientific, Inc.), rabbit anti-TNF-α (cat. no. 3707S), mouse anti-IL-6 (cat. no. 12019S), rabbit anti-IL-10 (cat. no. 12163S; all Cell Signaling Technology Inc.) and rabbit anti-β-actin (cat. no. 4970S, Cell Signaling Technology, Inc.). ..

    Article Title: Epimedium-Derived Exosome-like Nanovesicles Regulate Lipid Metabolism via the "Gut-Kidney Axis" for Multitargeted Inhibition of Sepsis-Associated Acute Kidney Injury.
    Article Snippet: Sepsis-associated acute kidney injury (S-AKI) is a major cause of acute kidney injury (AKI) in intensive care units, with persistently high incidence and mortality that pose significant clinical challenges.. In this study, we isolated exosome-like nanovesicles (ENVs) from the traditional Chinese herb Epimedium sagittatum and evaluated their therapeutic potential in S-AKI.. ENVs exhibited significant kidney-targeting ability and ameliorated renal injury in a murine S-AKI model. Mechanistically, ENVs reshaped the gut microbiota, promoted the production of short-chain fatty acids (SCFAs), and enhanced intestinal barrier function, thereby reducing systemic lipopolysaccharide (LPS) translocation and suppressing the TLR4/ NF-κB pathway.

    Article Title: Assessment of sub-chronic toxicity and anti-aging effects of a solid self-microemulsifying drug delivery system of Kaempferia parviflora extract in a D-galactose-induced rat model
    Article Snippet: Equal amounts of total protein (30 μg) from each group were separated on a 12.5% SDS-polyacrylamide gel and transferred to a nitrocellulose membrane (Merck, Germany). .. Membranes were blocked with 2% BSA in TBS-T (100 mM Tris-base, 150 mM NaCl, 0.1% Tween 20) for 2 h, then incubated overnight at 4 °C with primary antibodies specific (1:1,000 dilution) for mouse-anti-Sirt-1 (cat. no. 8469S, Cell Signaling Technology Inc., USA), rabbit-anti-SA-β-gal (cat. no. 27198S, Cell Signaling Technology Inc., USA), rabbit-anti-TNF-α (cat. no. 3707S, Cell Signaling Technology Inc., USA), mouse-anti-IL-6 (cat. no. 12019S, Cell Signaling Technology Inc., USA), rabbit-anti-IL-10 (cat. no. 12163S, Cell Signaling Technology Inc., USA), mouse-anti-Bcl-2 (cat. no. 15071S, Cell Signaling Technology Inc., USA), rabbit-anti-caspase-3 (cat. no. MA5-35335, Invitrogen, Thermo Fisher Scientific, USA), mouse-anti-p53 (cat. no. 2524S, Cell Signaling Technology Inc., USA) and rabbit anti-β-actin (cat. no. AF7018, Affinity Biosciences, USA). .. After two washes with TBS-T, membranes were incubated with HRP-conjugated secondary antibodies (1:2,000 dilution; cat. no. 31460 for anti-rabbit antibody and cat. no. 626520 for anti-mouse antibody; Invitrogen, Thermo Fisher Scientific, USA) for 2 h at room temperature.

    Article Title: Assessment of sub-chronic toxicity and anti-aging effects of a solid self-microemulsifying drug delivery system of Kaempferia parviflora extract in a D-galactose-induced rat model.
    Article Snippet: Equal amounts of total protein (30 μg) from each group were separated on a 12.5% SDS-polyacrylamide gel and transferred to a nitrocellulose membrane (Merck, Germany). .. Membranes were blocked with 2% BSA in TBS-T (100 mM Tris-base, 150 mM NaCl, 0.1% Tween 20) for 2 h, then incubated overnight at 4 °C with primary antibodies specific (1:1,000 dilution) for mouse-anti-Sirt-1 (cat. no. 8469S, Cell Signaling Technology Inc., USA), rabbit-anti-SA-β-gal (cat. no. 27198S, Cell Signaling Technology Inc., USA), rabbit-anti-TNF-α (cat. no. 3707S, Cell Signaling Technology Inc., USA), mouse-anti-IL-6 (cat. no. 12019S, Cell Signaling Technology Inc., USA), rabbit-anti-IL-10 (cat. no. 12163S, Cell Signaling Technology Inc., USA), mouse-anti-Bcl-2 (cat. no. 15071S, Cell Signaling Technology Inc., USA), rabbit-anti-caspase-3 (cat. no. MA5-35335, Invitrogen, Thermo Fisher Scientific, USA), mouse-anti-p53 (cat. no. 2524S, Cell Signaling Technology Inc., USA) and rabbit anti-β-actin (cat. no. AF7018, Affinity Biosciences, USA). .. After two washes with TBS-T, membranes were incubated with HRP-conjugated secondary antibodies (1:2,000 dilution; cat. no. 31460 for anti-rabbit antibody and cat. no. 626520 for anti-mouse antibody; Invitrogen, Thermo Fisher Scientific, USA) for 2 h at room temperature.

    other:

    Article Title: Antispasmodic and Anti-inflammatory Effects of Kratom Leaf Extract on Acetic Acid-induced Ulcerative Colitis in Mice.
    Article Snippet: Rabbit anti-β-actin (#4976), rabbit anti-TNF-α (#11948), and rabbit anti-IL-1β (#31202) were purchased from Cell Signaling Technology (Danvers, MA, USA).

    Article Title: Antispasmodic and Anti-inflammatory Effects of Kratom Leaf Extract on Acetic Acid-induced Ulcerative Colitis in Mice
    Article Snippet: Rabbit anti-β-actin (#4976), rabbit anti-TNF-α (#11948), and rabbit anti-IL-1β (#31202) were purchased from Cell Signaling Technology (Danvers, MA, USA).

    Membrane:

    Article Title: Low molecular weight sulfated galactan attenuates imiquimod-induced psoriasis via suppression of proinflammatory cytokines and keratinocyte hyperproliferation
    Article Snippet: .. The membrane was blocked with 2% BSA (cat. no. 112018, Merck KGaA) in TBS-T (100 mM Tris-base, 150 mM NaCl, 0.1% Tween 20) for 2 h at room temperature and incubated overnight at 4 ̊C with primary antibodies (1:1,000) against mouse anti-Ki67 (cat. no. 14569982, Invitrogen, Thermo Fisher Scientific, Inc.), rabbit anti-TNF-α (cat. no. 3707S), mouse anti-IL-6 (cat. no. 12019S), rabbit anti-IL-10 (cat. no. 12163S; all Cell Signaling Technology Inc.) and rabbit anti-β-actin (cat. no. 4970S, Cell Signaling Technology, Inc.). ..



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    TNF-α in supernatant(GM) induces apoptosis of pericytes. A ELISA measurement of TNF-α concentrations in supernatant(PBS) and supernatant(GM) ( n = 4 for each group). B CCK-8 assay assessing the viability of pericytes treated with medium containing 0, 1, 2, 3, 4, or 5 ng/ml recombinant TNF-α ( n = 3 for each group). C , D Western blot analysis of c-casp3 and GAPDH in pericytes treated with medium containing 0, 1, 2, 3, 4, or 5 ng/ml recombinant TNF-α, with quantification of protein band intensities ( n = 3 for each group). E RT-qPCR analysis of TNFR1 expression in the Empty, pericyte, and RAW264.7 groups, with quantification of relative TNFR1 mRNA levels ( n = 3 for each group). F RT-qPCR analysis of TNFR1 expression in the control, TNFR1 siRNA, and Control siRNA groups, with quantification of relative TNFR1 mRNA levels ( n = 3 for each group). G , H Western blot analysis of c-casp3 and GAPDH in pericytes from the control, TNF-α, TNF-α+TNFR1 siRNA, and TNF-α+Control siRNA groups, with quantification of protein band intensities ( n = 3 for each group). I ELISA measurement of TNF-α concentrations in supernatant(PBS), supernatant(GM), <t>supernatant(GM)+Anti-TNF-α,</t> or supernatant(GM)+Rabbit IgG ( n = 3 for each group). J CCK-8 assay assessment of pericyte viability after treatment with supernatant(PBS), supernatant(GM), supernatant(GM)+Anti-TNF-α, or supernatant(GM)+Rabbit IgG ( n = 3 for each group). K , L Annexin V/PI staining followed by flow cytometry analysis of apoptosis in pericytes treated with supernatant(PBS), supernatant(GM), supernatant(GM)+Anti-TNF-α, or supernatant(GM)+Rabbit IgG, with quantification of Annexin V-positive cells ( n = 5 for each group). M , N Fluorescence images of TUNEL staining in pericytes cultured in supernatant(PBS), supernatant(GM), supernatant(GM)+Anti-TNF-α, or supernatant(GM)+Rabbit IgG, and the proportion of TUNEL-positive pericytes was quantified ( n = 5 for each group). Scale bar: 50 µm. Data are presented as mean ± SEM. * P < 0.05, ** P < 0.01, *** P < 0.001, one-way ANOVA followed by Bonferroni post hoc tests
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    Image Search Results


    Immunohistochemical localization of TNF-α in skin flaps of experimental groups. Representative sections showing TNF-α expression in the control (A), low-dose EMF (B), and high-dose EMF (C) groups. Black arrows indicate TNF-α immunoreactivity in keratinocytes, fibroblasts, and inflammatory cells. Stronger cytoplasmic immunoreactivity was observed in the control and high-dose EMF groups compared with the low-dose EMF group. Scale bar: 50 μm; magnification × 40.

    Journal: JPRAS Open

    Article Title: Effects of extremely low-frequency sinusoidal electromagnetic field therapy on survival and vascularization in a rat random-pattern skin flap model

    doi: 10.1016/j.jpra.2026.05.040

    Figure Lengend Snippet: Immunohistochemical localization of TNF-α in skin flaps of experimental groups. Representative sections showing TNF-α expression in the control (A), low-dose EMF (B), and high-dose EMF (C) groups. Black arrows indicate TNF-α immunoreactivity in keratinocytes, fibroblasts, and inflammatory cells. Stronger cytoplasmic immunoreactivity was observed in the control and high-dose EMF groups compared with the low-dose EMF group. Scale bar: 50 μm; magnification × 40.

    Article Snippet: Sections were incubated overnight at 4 °C with rabbit polyclonal anti-TNF-α antibody (Affinity Biosciences, catalog no AF7014; dilution 1:100).

    Techniques: Immunohistochemical staining, Expressing, Control

    Schematic overview of the study design and experimental timeline. The surgery involved (1) an anterior abdominal approach, followed by (2) EP injury, and (3) intradiscal injection of either TNF‐α or C. acnes , such that all outcome measures reflect the combined effects of both the EP injury and the respective injectate. Pain‐like behavior was evaluated biweekly using the von Frey assay to assess hind paw mechanical allodynia. Post‐euthanasia assessments included ex vivo spinal MRI using T1w and T2w sequences as well as histological analysis of spine and spinal cord. The timeline depicts the three experimental cohorts and the corresponding analyses time points. C. acnes, Cutibacterium acnes ; EP, endplate; MRI, magnetic resonance imaging; T1w, T1‐weighted.

    Journal: JOR Spine

    Article Title: Intradiscal Cutibacterium acnes Sustains Modic Type 1‐Like Lesions Over Time in a Rat Lumbar Endplate Injury Model

    doi: 10.1002/jsp2.70182

    Figure Lengend Snippet: Schematic overview of the study design and experimental timeline. The surgery involved (1) an anterior abdominal approach, followed by (2) EP injury, and (3) intradiscal injection of either TNF‐α or C. acnes , such that all outcome measures reflect the combined effects of both the EP injury and the respective injectate. Pain‐like behavior was evaluated biweekly using the von Frey assay to assess hind paw mechanical allodynia. Post‐euthanasia assessments included ex vivo spinal MRI using T1w and T2w sequences as well as histological analysis of spine and spinal cord. The timeline depicts the three experimental cohorts and the corresponding analyses time points. C. acnes, Cutibacterium acnes ; EP, endplate; MRI, magnetic resonance imaging; T1w, T1‐weighted.

    Article Snippet: Sections were then incubated for 1 h at room temperature with one of the following primary antibodies: (i) rabbit polyclonal antibody against rat TNF‐α (1:500 dilution, #NBP1‐19532, Novus Biologics, MN, USA), (ii) rabbit recombinant multiclonal antibody against rat NE (1:500 dilution, #ab314916, Abcam, Waltham, MA, USA), or (iii) rabbit recombinant polyclonal antibody against rat CD19 (1:150 dilution, #27949‐1‐AP, ThermoFisher, Waltham, MA, USA).

    Techniques: Injection, Ex Vivo, Magnetic Resonance Imaging

    Degree of disc degeneration was increased in both EP injury + C. acnes and EP injury + TNF‐α discs compared to Sham without difference between injury groups. (A) Representative T1w and T2w MRI of discs per group and timepoint. (B) Both EP injury + C. acnes and EP injury + TNF‐α discs were significantly more degenerated than Sham at 8‐ and 14 weeks post‐injury, with no differences between the two injury groups at any time point. Disc degeneration increased over time in the EP injury + C. acnes group. Bars represent median with IQR. Significance bars represent results of Tukey's post hoc analysis of pairwise comparisons after detecting main effects with a two‐way ANOVA. Timepoints week 1, 8, and 14: Sham: N = 8 discs, EP injury + TNF‐α: N = 12–14 discs, EP injury + C. acnes : N = 10–12 discs. (C) Representative histological images of whole discs per group and timepoint, SafO/F/H staining. (D) Quantification of histological disc degeneration score. Discs from both EP injury groups were significantly more degenerated than Sham at all‐time points (weeks 1, 8, and 14). No significant differences were observed between EP injury + TNF‐α versus EP injury + C. acnes groups at any time point. Bars represent median with IQR. Significance bars represent results of Tukey's post hoc analysis of pairwise comparisons after detecting main effects with a two‐way ANOVA. Timepoints week 1, 8, and 14: Sham: N = 6–7 discs, EP injury + TNF‐α: N = 10–12 discs, EP injury + C. acnes : N = 9–12 discs. ANOVA, analysis of variance; C. acnes , Cutibacterium acnes ; EP, endplate; IQR, interquartile range; SafO/F/H, Safranin‐O/fastgreen/hematoxylin; T1w, T1‐weighted.

    Journal: JOR Spine

    Article Title: Intradiscal Cutibacterium acnes Sustains Modic Type 1‐Like Lesions Over Time in a Rat Lumbar Endplate Injury Model

    doi: 10.1002/jsp2.70182

    Figure Lengend Snippet: Degree of disc degeneration was increased in both EP injury + C. acnes and EP injury + TNF‐α discs compared to Sham without difference between injury groups. (A) Representative T1w and T2w MRI of discs per group and timepoint. (B) Both EP injury + C. acnes and EP injury + TNF‐α discs were significantly more degenerated than Sham at 8‐ and 14 weeks post‐injury, with no differences between the two injury groups at any time point. Disc degeneration increased over time in the EP injury + C. acnes group. Bars represent median with IQR. Significance bars represent results of Tukey's post hoc analysis of pairwise comparisons after detecting main effects with a two‐way ANOVA. Timepoints week 1, 8, and 14: Sham: N = 8 discs, EP injury + TNF‐α: N = 12–14 discs, EP injury + C. acnes : N = 10–12 discs. (C) Representative histological images of whole discs per group and timepoint, SafO/F/H staining. (D) Quantification of histological disc degeneration score. Discs from both EP injury groups were significantly more degenerated than Sham at all‐time points (weeks 1, 8, and 14). No significant differences were observed between EP injury + TNF‐α versus EP injury + C. acnes groups at any time point. Bars represent median with IQR. Significance bars represent results of Tukey's post hoc analysis of pairwise comparisons after detecting main effects with a two‐way ANOVA. Timepoints week 1, 8, and 14: Sham: N = 6–7 discs, EP injury + TNF‐α: N = 10–12 discs, EP injury + C. acnes : N = 9–12 discs. ANOVA, analysis of variance; C. acnes , Cutibacterium acnes ; EP, endplate; IQR, interquartile range; SafO/F/H, Safranin‐O/fastgreen/hematoxylin; T1w, T1‐weighted.

    Article Snippet: Sections were then incubated for 1 h at room temperature with one of the following primary antibodies: (i) rabbit polyclonal antibody against rat TNF‐α (1:500 dilution, #NBP1‐19532, Novus Biologics, MN, USA), (ii) rabbit recombinant multiclonal antibody against rat NE (1:500 dilution, #ab314916, Abcam, Waltham, MA, USA), or (iii) rabbit recombinant polyclonal antibody against rat CD19 (1:150 dilution, #27949‐1‐AP, ThermoFisher, Waltham, MA, USA).

    Techniques: Staining

    Intradiscal injectate following EP injury determined MC subtype prevalence over time. (A) Representative T1w and T2w MR images showing MC1‐ (top), MC2‐ (middle), and MC3‐like (bottom) lesions in EP injury + TNF‐α (left) or EP injury + C. acnes (right) discs. All 3 different MC subtypes developed in both EP injury + TNF‐α and EP injury + C. acnes groups. MC1‐like lesions: T1w: Hypo‐, or isointense; T2w: Hyperintense. MC2‐like lesions: T1w and T2w: Hyperintense. MC3‐like lesions: T1w and T2w: Hypointense. Red arrows surround bone marrow lesions. Images are from time points 8‐ and 14‐weeks post‐injury. (B) Representative histological images of features associated with MC1 (cellular infiltrates), MC2 (fatty replacement of normal bone marrow), and MC3 (sclerotic bone) in EP injury + TNF‐α and EP injury + C. acnes groups. In both injury groups, all 3 histological features of MC subtypes were found. #: Normal bone marrow region. 1: Cellular infiltrates; 2: Fatty replacement of normal bone marrow; 3: Increased bone structure. SafO/F/H staining. (C) Quantification of MC1‐like lesion prevalence (% of total number of EPs: L6 cranial, L5 caudal, L5 cranial, L4 caudal) revealed that EP injury + intradiscal C. acnes injection resulted in a significantly higher prevalence of MC1‐like lesions across all 3 time points compared to both EP injury + TNF‐α and Sham. The EP injury + TNF‐α group tended to have significantly more MC1‐like lesions compared to Sham. (D) MC2‐like lesions increased in the EP injury + TNF‐α group over time and were significantly higher than EP injury + C. acnes and Sham at 14‐weeks post‐injury. (E) MC3‐like lesions increased over time in the EP injury + C. acnes group. Bars represent median with IQR. Significance bars represent pairwise comparisons from Tukey's post hoc analysis following two‐way ANOVA. Timepoints week 1, 8, and 14: Sham: N = 4 rats, EP injury + TNF‐α: N = 5–7 rats, EP injury + C. acnes : N = 5–6 rats. * p < 0.05, ** p < 0.01, *** p < 0.001. ANOVA, analysis of variance; C. acnes , Cutibacterium acnes ; EP, endplate; IQR, interquartile range; MC, modic change; SafO/F/H, Safranin‐O/fastgreen/hematoxylin; T1w, T1‐weighted.

    Journal: JOR Spine

    Article Title: Intradiscal Cutibacterium acnes Sustains Modic Type 1‐Like Lesions Over Time in a Rat Lumbar Endplate Injury Model

    doi: 10.1002/jsp2.70182

    Figure Lengend Snippet: Intradiscal injectate following EP injury determined MC subtype prevalence over time. (A) Representative T1w and T2w MR images showing MC1‐ (top), MC2‐ (middle), and MC3‐like (bottom) lesions in EP injury + TNF‐α (left) or EP injury + C. acnes (right) discs. All 3 different MC subtypes developed in both EP injury + TNF‐α and EP injury + C. acnes groups. MC1‐like lesions: T1w: Hypo‐, or isointense; T2w: Hyperintense. MC2‐like lesions: T1w and T2w: Hyperintense. MC3‐like lesions: T1w and T2w: Hypointense. Red arrows surround bone marrow lesions. Images are from time points 8‐ and 14‐weeks post‐injury. (B) Representative histological images of features associated with MC1 (cellular infiltrates), MC2 (fatty replacement of normal bone marrow), and MC3 (sclerotic bone) in EP injury + TNF‐α and EP injury + C. acnes groups. In both injury groups, all 3 histological features of MC subtypes were found. #: Normal bone marrow region. 1: Cellular infiltrates; 2: Fatty replacement of normal bone marrow; 3: Increased bone structure. SafO/F/H staining. (C) Quantification of MC1‐like lesion prevalence (% of total number of EPs: L6 cranial, L5 caudal, L5 cranial, L4 caudal) revealed that EP injury + intradiscal C. acnes injection resulted in a significantly higher prevalence of MC1‐like lesions across all 3 time points compared to both EP injury + TNF‐α and Sham. The EP injury + TNF‐α group tended to have significantly more MC1‐like lesions compared to Sham. (D) MC2‐like lesions increased in the EP injury + TNF‐α group over time and were significantly higher than EP injury + C. acnes and Sham at 14‐weeks post‐injury. (E) MC3‐like lesions increased over time in the EP injury + C. acnes group. Bars represent median with IQR. Significance bars represent pairwise comparisons from Tukey's post hoc analysis following two‐way ANOVA. Timepoints week 1, 8, and 14: Sham: N = 4 rats, EP injury + TNF‐α: N = 5–7 rats, EP injury + C. acnes : N = 5–6 rats. * p < 0.05, ** p < 0.01, *** p < 0.001. ANOVA, analysis of variance; C. acnes , Cutibacterium acnes ; EP, endplate; IQR, interquartile range; MC, modic change; SafO/F/H, Safranin‐O/fastgreen/hematoxylin; T1w, T1‐weighted.

    Article Snippet: Sections were then incubated for 1 h at room temperature with one of the following primary antibodies: (i) rabbit polyclonal antibody against rat TNF‐α (1:500 dilution, #NBP1‐19532, Novus Biologics, MN, USA), (ii) rabbit recombinant multiclonal antibody against rat NE (1:500 dilution, #ab314916, Abcam, Waltham, MA, USA), or (iii) rabbit recombinant polyclonal antibody against rat CD19 (1:150 dilution, #27949‐1‐AP, ThermoFisher, Waltham, MA, USA).

    Techniques: Staining, Injection

    Intradiscal C. acnes versus TNF‐α injection following EP injury determined adjacent bone marrow lesion immune cell response. (A) Representative images of intradiscal inflammatory burden measured as TNF‐α‐ir in Sham (left), TNF‐α (middle) and C. acnes (right)‐injected discs. Upper right images represent magnified areas of the overview section. Arrows indicate TNF‐α positive cells. (B) Both EP injury + TNF‐α and EP injury + C. acnes groups led to increased discal TNF‐α‐ir at all 3 time points without a difference between injury groups. Bars represent median with IQR. Significance bars represent pairwise comparisons from Tukey's post hoc analysis. Timepoints week 1, 8, and 14: Sham: N = 6–8 discs, EP injury + TNF‐α: N = 8–10 discs, EP injury + C. acnes : 10–12 discs. (C) Representative images of NE‐ir (top) and CD19‐ir (bottom). Red arrows indicate NE‐positive cells, orange arrows indicate CD19‐positive cells. (D) Bone marrow lesions adjacent to EP injury + C. acnes ‐ versus EP injury + TNF‐α‐ discs showed increased NE‐ir and CD19‐ir. Bars represent median with IQR. Significance bars represent results from Mann–Whitney U ‐test. All time points combined: EP injury + TNF‐α: N = 12 bone marrow lesions, EP injury + C. acnes : N = 16 bone marrow lesions. * p < 0.05, ** p < 0.01, *** p < 0.001. C. acnes , Cutibacterium acnes ; IQR, interquartile range; NE, neutrophil elastase.

    Journal: JOR Spine

    Article Title: Intradiscal Cutibacterium acnes Sustains Modic Type 1‐Like Lesions Over Time in a Rat Lumbar Endplate Injury Model

    doi: 10.1002/jsp2.70182

    Figure Lengend Snippet: Intradiscal C. acnes versus TNF‐α injection following EP injury determined adjacent bone marrow lesion immune cell response. (A) Representative images of intradiscal inflammatory burden measured as TNF‐α‐ir in Sham (left), TNF‐α (middle) and C. acnes (right)‐injected discs. Upper right images represent magnified areas of the overview section. Arrows indicate TNF‐α positive cells. (B) Both EP injury + TNF‐α and EP injury + C. acnes groups led to increased discal TNF‐α‐ir at all 3 time points without a difference between injury groups. Bars represent median with IQR. Significance bars represent pairwise comparisons from Tukey's post hoc analysis. Timepoints week 1, 8, and 14: Sham: N = 6–8 discs, EP injury + TNF‐α: N = 8–10 discs, EP injury + C. acnes : 10–12 discs. (C) Representative images of NE‐ir (top) and CD19‐ir (bottom). Red arrows indicate NE‐positive cells, orange arrows indicate CD19‐positive cells. (D) Bone marrow lesions adjacent to EP injury + C. acnes ‐ versus EP injury + TNF‐α‐ discs showed increased NE‐ir and CD19‐ir. Bars represent median with IQR. Significance bars represent results from Mann–Whitney U ‐test. All time points combined: EP injury + TNF‐α: N = 12 bone marrow lesions, EP injury + C. acnes : N = 16 bone marrow lesions. * p < 0.05, ** p < 0.01, *** p < 0.001. C. acnes , Cutibacterium acnes ; IQR, interquartile range; NE, neutrophil elastase.

    Article Snippet: Sections were then incubated for 1 h at room temperature with one of the following primary antibodies: (i) rabbit polyclonal antibody against rat TNF‐α (1:500 dilution, #NBP1‐19532, Novus Biologics, MN, USA), (ii) rabbit recombinant multiclonal antibody against rat NE (1:500 dilution, #ab314916, Abcam, Waltham, MA, USA), or (iii) rabbit recombinant polyclonal antibody against rat CD19 (1:150 dilution, #27949‐1‐AP, ThermoFisher, Waltham, MA, USA).

    Techniques: Injection, MANN-WHITNEY

    Pain‐like behavior and spinal cord sensitization was increased in both EP injury groups and SubP was significantly higher in the EP injury + C. acnes group. (A) Normalized hind paw withdrawal thresholds (% baseline) measured using von Frey testing over 13 weeks following EP injury with TNF‐α (blue squares) or C. acnes (pink triangles) injection, or sham surgery (black circles). Both EP injury groups demonstrated a significant and sustained reduction in mechanical thresholds compared to Sham, indicating long‐lasting mechanical hypersensitivity. No significant difference was observed between the EP injury + TNF‐α and EP injury + C. acnes groups. Data are shown as mean ± SD. Mixed‐effect analysis with Tukey post hoc analysis. * p < 0.05 for EP injury + TNF‐α versus Sham; # p < 0.05 for EP injury + C. acnes versus Sham. Time points 1–13 weeks: Sham: N = 4–12 rats, EP injury + TNF‐α: 6–19 rats, EP injury + C. acnes : 6–18 rats. (B) Random forest model showed that MC1‐like presence and area contributed strongest to pain‐like behavior. Graph shows %IncMSE. p values are FDR‐adjusted permutation‐based values. Black bars: p < 0.05. (C) Representative images of SubP expression spinal cord dorsal horn. (D) Quantification of SubP‐ir in the spinal cord dorsal horn area at 1‐, 8‐, and 14‐weeks. SubP levels were significantly increased in EP injury + TNF‐α and EP injury + C. acnes groups compared to Sham at 8‐ and 14‐weeks. SubP was significantly higher in EP injury + C. acnes versus EP injury + TNF‐α groups at 14‐WKs post‐injury. Significance bars represent results from Tukey's post hoc analysis. Time points weeks 1, 8, 14: Sham: N = 4, EP injury + TNF‐α: N = 6–7, EP injury + C. acnes : N = 5–6 spinal cords. (E) Representative images of GFAP expression in spinal cord dorsal horn. (F) Quantification of GFAP‐ir in the spinal cord dorsal horn area at 1‐, 8‐, and 14‐weeks. GFAP expression increased significantly in both EP injury + TNF‐α and EP injury + C . acnes groups compared to Sham, with a progressive increase from week 1 to week 14. There was no difference between injury groups. Significance bars represent results from Tukey post hoc analysis. Time points weeks 1, 8, 14: Sham: N = 4, EP injury + TNF‐α: N = 6–7, EP injury + C. acnes : N = 5–6. Bars represent mean ± SD. * p < 0.05, ** p < 0.01, *** p < 0.001. C. acnes , Cutibacterium acnes ; EP, endplate; GFAP, glial fibrillary acidic protein; IncMSE, percent increase in mean standard error; IQR, interquartile range; MC, modic change; SubP, substance P.

    Journal: JOR Spine

    Article Title: Intradiscal Cutibacterium acnes Sustains Modic Type 1‐Like Lesions Over Time in a Rat Lumbar Endplate Injury Model

    doi: 10.1002/jsp2.70182

    Figure Lengend Snippet: Pain‐like behavior and spinal cord sensitization was increased in both EP injury groups and SubP was significantly higher in the EP injury + C. acnes group. (A) Normalized hind paw withdrawal thresholds (% baseline) measured using von Frey testing over 13 weeks following EP injury with TNF‐α (blue squares) or C. acnes (pink triangles) injection, or sham surgery (black circles). Both EP injury groups demonstrated a significant and sustained reduction in mechanical thresholds compared to Sham, indicating long‐lasting mechanical hypersensitivity. No significant difference was observed between the EP injury + TNF‐α and EP injury + C. acnes groups. Data are shown as mean ± SD. Mixed‐effect analysis with Tukey post hoc analysis. * p < 0.05 for EP injury + TNF‐α versus Sham; # p < 0.05 for EP injury + C. acnes versus Sham. Time points 1–13 weeks: Sham: N = 4–12 rats, EP injury + TNF‐α: 6–19 rats, EP injury + C. acnes : 6–18 rats. (B) Random forest model showed that MC1‐like presence and area contributed strongest to pain‐like behavior. Graph shows %IncMSE. p values are FDR‐adjusted permutation‐based values. Black bars: p < 0.05. (C) Representative images of SubP expression spinal cord dorsal horn. (D) Quantification of SubP‐ir in the spinal cord dorsal horn area at 1‐, 8‐, and 14‐weeks. SubP levels were significantly increased in EP injury + TNF‐α and EP injury + C. acnes groups compared to Sham at 8‐ and 14‐weeks. SubP was significantly higher in EP injury + C. acnes versus EP injury + TNF‐α groups at 14‐WKs post‐injury. Significance bars represent results from Tukey's post hoc analysis. Time points weeks 1, 8, 14: Sham: N = 4, EP injury + TNF‐α: N = 6–7, EP injury + C. acnes : N = 5–6 spinal cords. (E) Representative images of GFAP expression in spinal cord dorsal horn. (F) Quantification of GFAP‐ir in the spinal cord dorsal horn area at 1‐, 8‐, and 14‐weeks. GFAP expression increased significantly in both EP injury + TNF‐α and EP injury + C . acnes groups compared to Sham, with a progressive increase from week 1 to week 14. There was no difference between injury groups. Significance bars represent results from Tukey post hoc analysis. Time points weeks 1, 8, 14: Sham: N = 4, EP injury + TNF‐α: N = 6–7, EP injury + C. acnes : N = 5–6. Bars represent mean ± SD. * p < 0.05, ** p < 0.01, *** p < 0.001. C. acnes , Cutibacterium acnes ; EP, endplate; GFAP, glial fibrillary acidic protein; IncMSE, percent increase in mean standard error; IQR, interquartile range; MC, modic change; SubP, substance P.

    Article Snippet: Sections were then incubated for 1 h at room temperature with one of the following primary antibodies: (i) rabbit polyclonal antibody against rat TNF‐α (1:500 dilution, #NBP1‐19532, Novus Biologics, MN, USA), (ii) rabbit recombinant multiclonal antibody against rat NE (1:500 dilution, #ab314916, Abcam, Waltham, MA, USA), or (iii) rabbit recombinant polyclonal antibody against rat CD19 (1:150 dilution, #27949‐1‐AP, ThermoFisher, Waltham, MA, USA).

    Techniques: Injection, Expressing

    TNF-α in supernatant(GM) induces apoptosis of pericytes. A ELISA measurement of TNF-α concentrations in supernatant(PBS) and supernatant(GM) ( n = 4 for each group). B CCK-8 assay assessing the viability of pericytes treated with medium containing 0, 1, 2, 3, 4, or 5 ng/ml recombinant TNF-α ( n = 3 for each group). C , D Western blot analysis of c-casp3 and GAPDH in pericytes treated with medium containing 0, 1, 2, 3, 4, or 5 ng/ml recombinant TNF-α, with quantification of protein band intensities ( n = 3 for each group). E RT-qPCR analysis of TNFR1 expression in the Empty, pericyte, and RAW264.7 groups, with quantification of relative TNFR1 mRNA levels ( n = 3 for each group). F RT-qPCR analysis of TNFR1 expression in the control, TNFR1 siRNA, and Control siRNA groups, with quantification of relative TNFR1 mRNA levels ( n = 3 for each group). G , H Western blot analysis of c-casp3 and GAPDH in pericytes from the control, TNF-α, TNF-α+TNFR1 siRNA, and TNF-α+Control siRNA groups, with quantification of protein band intensities ( n = 3 for each group). I ELISA measurement of TNF-α concentrations in supernatant(PBS), supernatant(GM), supernatant(GM)+Anti-TNF-α, or supernatant(GM)+Rabbit IgG ( n = 3 for each group). J CCK-8 assay assessment of pericyte viability after treatment with supernatant(PBS), supernatant(GM), supernatant(GM)+Anti-TNF-α, or supernatant(GM)+Rabbit IgG ( n = 3 for each group). K , L Annexin V/PI staining followed by flow cytometry analysis of apoptosis in pericytes treated with supernatant(PBS), supernatant(GM), supernatant(GM)+Anti-TNF-α, or supernatant(GM)+Rabbit IgG, with quantification of Annexin V-positive cells ( n = 5 for each group). M , N Fluorescence images of TUNEL staining in pericytes cultured in supernatant(PBS), supernatant(GM), supernatant(GM)+Anti-TNF-α, or supernatant(GM)+Rabbit IgG, and the proportion of TUNEL-positive pericytes was quantified ( n = 5 for each group). Scale bar: 50 µm. Data are presented as mean ± SEM. * P < 0.05, ** P < 0.01, *** P < 0.001, one-way ANOVA followed by Bonferroni post hoc tests

    Journal: Journal of Neuroinflammation

    Article Title: TNF-α impairs the stria vascularis by inducing pericyte apoptosis via the NF-κB pathway in gentamicin-induced hearing loss

    doi: 10.1186/s12974-026-03787-2

    Figure Lengend Snippet: TNF-α in supernatant(GM) induces apoptosis of pericytes. A ELISA measurement of TNF-α concentrations in supernatant(PBS) and supernatant(GM) ( n = 4 for each group). B CCK-8 assay assessing the viability of pericytes treated with medium containing 0, 1, 2, 3, 4, or 5 ng/ml recombinant TNF-α ( n = 3 for each group). C , D Western blot analysis of c-casp3 and GAPDH in pericytes treated with medium containing 0, 1, 2, 3, 4, or 5 ng/ml recombinant TNF-α, with quantification of protein band intensities ( n = 3 for each group). E RT-qPCR analysis of TNFR1 expression in the Empty, pericyte, and RAW264.7 groups, with quantification of relative TNFR1 mRNA levels ( n = 3 for each group). F RT-qPCR analysis of TNFR1 expression in the control, TNFR1 siRNA, and Control siRNA groups, with quantification of relative TNFR1 mRNA levels ( n = 3 for each group). G , H Western blot analysis of c-casp3 and GAPDH in pericytes from the control, TNF-α, TNF-α+TNFR1 siRNA, and TNF-α+Control siRNA groups, with quantification of protein band intensities ( n = 3 for each group). I ELISA measurement of TNF-α concentrations in supernatant(PBS), supernatant(GM), supernatant(GM)+Anti-TNF-α, or supernatant(GM)+Rabbit IgG ( n = 3 for each group). J CCK-8 assay assessment of pericyte viability after treatment with supernatant(PBS), supernatant(GM), supernatant(GM)+Anti-TNF-α, or supernatant(GM)+Rabbit IgG ( n = 3 for each group). K , L Annexin V/PI staining followed by flow cytometry analysis of apoptosis in pericytes treated with supernatant(PBS), supernatant(GM), supernatant(GM)+Anti-TNF-α, or supernatant(GM)+Rabbit IgG, with quantification of Annexin V-positive cells ( n = 5 for each group). M , N Fluorescence images of TUNEL staining in pericytes cultured in supernatant(PBS), supernatant(GM), supernatant(GM)+Anti-TNF-α, or supernatant(GM)+Rabbit IgG, and the proportion of TUNEL-positive pericytes was quantified ( n = 5 for each group). Scale bar: 50 µm. Data are presented as mean ± SEM. * P < 0.05, ** P < 0.01, *** P < 0.001, one-way ANOVA followed by Bonferroni post hoc tests

    Article Snippet: The sections were then placed in a humidified chamber and incubated overnight at 4°C with following primary antibody: rabbit polyclonal anti-IL-1β (Abcam, ab283818; 1:200), rabbit polyclonal anti-IL-6 (Abcam, ab290735; 1:200), rabbit polyclonal anti-TNF-α (signalway antibody, 41504; 1:200).

    Techniques: Enzyme-linked Immunosorbent Assay, CCK-8 Assay, Recombinant, Western Blot, Quantitative RT-PCR, Expressing, Control, Staining, Flow Cytometry, Fluorescence, TUNEL Assay, Cell Culture

    JSH-23 pretreatment inhibits the NF-κB activation and reduces apoptosis of pericytes cultured in the supernatant(GM). A , B Western blot analysis of p-p38, p38, p-JNK, JNK, p-p65, p65, β-actin, and GAPDH in pericytes treated with supernatant(PBS), supernatant(GM), supernatant(GM)+Anti-TNF-α, or supernatant(GM)+Rabbit IgG, with quantification of protein band intensities ( n = 3 for each group). C , D Western blot analysis of c-casp3, p-p38, p38, p-p65, p65, β-actin, and GAPDH in pericytes treated with the supernatant(PBS), supernatant(GM), supernatant(GM)+JSH-23, or supernatant(GM)+SB202190, with quantification of protein band intensities ( n = 3 for each group). E , F Apoptosis analysis by Annexin V/PI staining followed by flow cytometry in pericytes treated with supernatant(PBS), supernatant(GM), supernatant(GM)+JSH-23, or supernatant(GM)+SB202190, with quantification of Annexin V-positive cells ( n = 5 for each group). Data are presented as mean ± SEM. * P < 0.05, ** P < 0.01, *** P < 0.001, one-way ANOVA followed by Bonferroni post hoc tests

    Journal: Journal of Neuroinflammation

    Article Title: TNF-α impairs the stria vascularis by inducing pericyte apoptosis via the NF-κB pathway in gentamicin-induced hearing loss

    doi: 10.1186/s12974-026-03787-2

    Figure Lengend Snippet: JSH-23 pretreatment inhibits the NF-κB activation and reduces apoptosis of pericytes cultured in the supernatant(GM). A , B Western blot analysis of p-p38, p38, p-JNK, JNK, p-p65, p65, β-actin, and GAPDH in pericytes treated with supernatant(PBS), supernatant(GM), supernatant(GM)+Anti-TNF-α, or supernatant(GM)+Rabbit IgG, with quantification of protein band intensities ( n = 3 for each group). C , D Western blot analysis of c-casp3, p-p38, p38, p-p65, p65, β-actin, and GAPDH in pericytes treated with the supernatant(PBS), supernatant(GM), supernatant(GM)+JSH-23, or supernatant(GM)+SB202190, with quantification of protein band intensities ( n = 3 for each group). E , F Apoptosis analysis by Annexin V/PI staining followed by flow cytometry in pericytes treated with supernatant(PBS), supernatant(GM), supernatant(GM)+JSH-23, or supernatant(GM)+SB202190, with quantification of Annexin V-positive cells ( n = 5 for each group). Data are presented as mean ± SEM. * P < 0.05, ** P < 0.01, *** P < 0.001, one-way ANOVA followed by Bonferroni post hoc tests

    Article Snippet: The sections were then placed in a humidified chamber and incubated overnight at 4°C with following primary antibody: rabbit polyclonal anti-IL-1β (Abcam, ab283818; 1:200), rabbit polyclonal anti-IL-6 (Abcam, ab290735; 1:200), rabbit polyclonal anti-TNF-α (signalway antibody, 41504; 1:200).

    Techniques: Activation Assay, Cell Culture, Western Blot, Staining, Flow Cytometry