ANTI-MO/RT IL-1B B122 FG PUR

Neutralization of circulating IL-1beta attenuates CKD-induced atrial arrhythmogenesis. ( A ) Serum levels of IL-1beta in WT mice 2 and 3 weeks after sham or CKD surgeries. ( B ) Timeline of anti-IL-1beta antibody (5 mg/kg, i.p.) or IgG (as a control) injections into WT-CKD mice. 2/3 Nx, two-thirds nephrectomy. Panel B was created with BioRender.com. ( C and D ) Representative echocardiographic long-axis views of the heart ( C ) and quantification of the LA area ( D ) in WT-CKD mice that received IgG or anti-IL-1beta antibody injections. Blue outlined areas indicate the LA. Scale bar: 3 mm. ( E ) Serum levels of IL-1beta in WT-CKD mice that received IgG or anti-IL-1beta antibody injections following the CKD procedure. ( F and G ) Representative Western blots ( F ) and quantification ( G ) of IL-1beta in atrial tissue of WT-CKD mice after 3 weekly injections of IgG or anti-IL-1beta antibody. ( H and I ) Representative images ( H ) of Masson's trichrome staining in atria and quantification of atrial fibrosis ( I ) in WT-CKD mice after 3 weekly injections of IgG or anti-IL-1beta antibody. Scale bar: 200 mum. ( J - L ) Representative lead 2 surface ECG and intracardial ECG recordings ( J ), incidence ( K ), and duration ( L ) of pacing-induced AF in WT-CKD mice after 3 injections of IgG or anti-IL-1beta antibody. Scale bar: 200 ms ( J ). Data are expressed as the mean +- SEM in A , D , E , G , I , and L , and as a percentage in K. * P < 0.05 and *** P < 0.001, by unpaired, 2-taile

Figure 4 Peli1 mediates LPS-induce inflammatory responses in microglia. ( a ) QPCR analysis of relative mRNA expression for the indicated inflammatory genes in the primary cultured microglia isolated from WT and Peli1 -KO mice, left untreated (NT) or stimulated with LPS (100 ng/ml). ( b ) ELISA of IL-1beta, IL-6, TNF and nitrites in the supernatant of WT and Peli1 -KO microglia cultures that left untreated (NT) or stimulated with LPS (100 ng/ml) at the indicated time points. ( c , d ) QPCR analysis of relative mRNA expression for the indicated inflammatory genes in the primary cultured microglia ( c ) or astrocytes ( d ) isolated from WT and Peli1 -KO mice, left untreated (NT) or stimulated with IL-1beta (20 ng/ml). The gene expression were normalized to a reference gene Actb (encoding beta-actin) and showed as the relative value to Actb in bar graphs. Data with error bars represent mean +- SD. Each panel is representative of at least three independent experiment. *P < 0.05, **P < 0.01 as determined by two-way ANOVA with a Bonferroni post test.

Fig. 6. Effect of TY52156 on IL-1beta protein expression and IL-1beta production in macrophages. Mouse peritoneal macrophages were treated with the indicated concentrations of TY52156 for 1 h, and then treated with LPS 100 ng/mL for 24 h. Western blotting was conducted on cell lysates. The data shown in (A) are representatives of three independent experiments. Relative protein levels of IL-1beta versus beta-actin are presented as histograms (B, C). LPS-induced production of IL-1beta in the media was measured by ELISA (D). Results are the means +- standard deviation of three independent experiments. Statistically significant at ## p <0.01 and ### p <0.001 vs. the vehicle-treated macrophages, and at * p <0.05 and ** p <0.01 vs. the LPS-treated macrophages.

Figure 5 SENP1 deletion alters pancreatic adipocyte phenotype and augments NF-kappaB-dependent inflammation. ( a , b ) Pancreatic adipose was collected from 7 and 14 weeks old Ctrl and SENP1-aP2KO male (male, n =6). Morphology was visualized by haematoxylin and eosin stain staining. Scale bar, 20 mum ( a ). Cell sizes were quantified in ( b ). Three sections from each adipose tissue. Data are representative for three independent experiments. ( c ) Transcript levels of adipocyte differentiation markers (fatty acid synthase, adipose triglyceride lipase and lipoprotein lipase) in PATs were quantified by quantitative PCR with reverse transcription with GAPDH for normalization. n =6, male for each group. ( d ) Increased IKK-NF-kappaB activities in SENP1-aP2KO PATs. A representative western blot was from Ctrl and SENP1-aP2KO mice at the age of 7 weeks. Data are representative from three independent experiments is shown ( n =6, male). Relative protein levels were quantified from three blots by taking Ctrl as 1.0 ( n =6, male). ( e - h ) NF-kappaB activation is specifically detected in PATs of SENP1-aP2KO mice. ( e ) Phosphor-p65 staining (red) in PATs but not in pancreas. ( f ) Co-immunostaining of phosphor-p65 (green) and adipocyte marker FABP4 (red). ( g ) High-power images show co-staining of phosphor-p65 (red) in the nucleus of FABP4 + adipocytes (green). ( h ) Co-staining of phosphor-p65 (green) with APC-conjugated adipocyte marker FABP4 (green; yellow arrowheads), but not with

Figure 6 SENP1 deletion augments NEMO SUMOylation and cytokine expression in the adipocytes. ( a , b ). SUMOylation of NEMO, but not p65/RelA, was enhanced in the adipocytes of SENP1-aP2KO mice. Proteins extracted from the adipocytes of Ctrl and SENP1-aP2KO mice at the age of 5 weeks were subjected to immunoprecipitation with p65/RelA ( a ) or NEMO ( b ) antibodies followed by western blotting with anti-SUMO1, anti-p65/RelA or anti-NEMO. Proteins are indicated. Representative blots from one pair of Ctrl and SENP1-aP2KO mice are shown. Similar results were obtained from additional two pairs of mice. ( c ) Flag-tagged NEMO was transfected into adipocytes from Ctrl and SENP1-aP2KO mice at the age of 5 weeks. Proteins extracted were subjected to immunoprecipitation with SUMO1 antibody followed by western blotting with anti-flag. Input for flag-NEMO was detected with flag antibody. Representative blots from one pair of Ctrl and SENP1-aP2KO mice are shown. Similar results were obtained from additional two pairs of mice. ( d ) Effect of SENP1 deletion on stress-induced IKK activation, p65/RelA phosphorylation and NEMO SUMOylation. Adipocytes from Ctrl and SENP1-aP2KO mice were treated with VP16 (10 muM) for indicated times. IKK-NF-kappaB p65/RelA signalling molecules were determined by western blot. Ratios of p-IKK/IKK, p-p65/RelA/p65/RelA and pIkappaB-alpha were quantified by taking Ctrl as 1.0. Representative blots from one pair of Ctrl and SENP1-aP2KO mice are shown. Similar

Published figure using IL-1 beta monoclonal antibody (Product # 16-7012-81) in ELISA

Fig. 7 Activation of the CASP8-HIF-1alpha pathway elicits pyroptosis and promotes IL-1beta production which in turn magnifies inflammatory cascades via the CASP8-HIF-1alpha-NLR axis. a The protein levels of cleaved GSDMD were detected in retinas from WT mice with or without CASP8 knockdown (20 muMu) that were harvested at the seventh day after reperfusion ( n = 6). The protein levels were normalized to beta-actin levels. b Western blot analysis of cleaved CASP1 and GSDMD in extracts from WT BV2 microglia and CASP8-specific KO cell line after OGDR injury ( n = 6). The protein levels were normalized to beta-actin levels. c-d Cytotoxicity c and IL-1beta production d in BV2 microglia under OGDR injury ( n = 6). e-f The protein levels of cleaved GSDMD were detected in vivo and in vitro with or without HIF-1alpha knockdown. The protein levels were normalized to beta-actin levels. g-h Cytotoxicity g and IL-1beta processing h were measured in the presence or absence of HIF-1alpha siRNA treatment in BV2 microglia ( n = 6, both). i Western blotting detection of the indicated proteins in BV2 microglia subjected to OGDR and OGDR concomitant with IL-1beta neutralizing antibody treatment ( n = 6). The protein levels were normalized to beta-actin levels. j CASP8 activity ( n = 6). The data shown are representative of at least three independent experiments. Data are represented as the mean +- SD. * P < 0.05, ** P < 0.01, experiments were assessed by one-way ANOVA, two-way ANOVA or two-tailed

Fig. 3. NLRP12 collaborates with NLRP3 and NLRC4 to elicit pyroptosis and promote IL-1beta production in ischemic injury through CASP1-dependent GSDMD cleavage a - h NLRP12/NLRP3/NLRC4 promoted IL-1beta release and induced pyroptosis by CASP1-dependent GSDMD cleavage: a Knockdown of NLRP12/NLRP3/NLRC4 reduced CASP1 and GSDMD cleavage in extracts from BV2 microglia after OGDR injury, as determined by western blot analysis (n = 6). The protein levels were normalized to beta-actin levels. b LDH release (n = 6). c IL-1beta secretion (n = 6). d - e LDH release ( d ) and IL-1beta production ( e ) of BV2 microglia treated with the CASP1 inh, YVAD (200 uM) and subjected to OGDR injury (n = 6). f Representative SEM images showed pyroptotic cell death and other morphological changes in BV2 microglia subjected to OGDR combined with or without different additional treatments (n = 5): (i): control; (ii): OGDR; (iii): OGDR plus CASP1 inh (YVAD, 200 uM); (iv): OGDR plus NLRP3 siRNA (si); (v): OGDR plus NLRP12 si; (vi): OGDR plus NLRC4 si; (vii): CASP8 CRISPR plus OGDR; (viii): OGDR plus HIF-1alpha si ; (ix): OGDR plus IL-1beta neutralizing antibody. Scale bar: 20 um. g - h Immunoblotting analysis for detection of pyroptotic proteins in the retinas of NLRP12-/- or WT mice with or without NLRP3/NLRC4 knockdown under RIR conditions (n = 6). The protein levels were normalized to beta-actin levels. i - n Mutual regulatory relationships among NLRP12, NLRP3 and NLRC4: i - j Protein expression and

Published figure using IL-1 beta monoclonal antibody (Product # 16-7012-81) in Neutralization