Caspase-1 Antibody (14F468) - BSA Free

Detection of Caspase-1 in LukAB Intoxicated THP1 Cells by Western Blot

LukAB is a potent activator of Caspase 1. THP1 cells were intoxicated with 50 ng/mL LukAB for 1 hour and cell lysates were analyzed by immunoblot for Caspase 1 cleavage, which indicates activation. Image collected and cropped by CiteAb from the following publication (//doi.org/10.1371/journal.ppat.1004970) licensed under a CC-BY license.

Immunohistological Staining of Caspase-1 in Control and OHT-Injured Mouse Eyes

Activity of Casp1 in OHT-injured and normotensive control eyes. (B) The analysis of the Casp1 immunolabeling (red, white arrows) in normotensive (NT control) and injured (OHT) retinas at 12 h and 24 h postinjury. Yellow arrows denote Casp1 colocalization with RGCs (RBPMS +, green) as well as with other cells at 24 h post-OHT. Bar, 25 um. Image collected and cropped by CiteAb from the following publication (https://www.frontiersin.org/article/10.3389/fnmol.2019.00036/full), licensed under a CC-BY license.

Western Blot Analysis of Caspase-1 in Infected Human MDMs

P. gingivalis and its OMVs differentially induce inflammasome signaling and pyroptosis in human macrophages. MDM were infected as before (2 h at MOI of 25:1, see Materials and Methods) with viable P. gingivalis (Pg), heat-killed-Pg (HK-Pg), OMVs, or heat-inactivated-OMVs (HI-OMVs) and the activation of inflammasome components in the lysates was measured after 24 h by Western blot; beta-actin serves as a loading control throughout. Western blot data are representative of at least three independent experiments. Image collected and cropped by CiteAb from the following publication (https://journal.frontiersin.org/article/10.3389/fcimb.2017.00351/full), licensed under a CC-BY license.

Western Blot Detection of Caspase-1 in Human and Mouse Cell Lysates

Analysis of Caspase-1 using a Caspase-1 monoclonal antibody. Human HeLa (A) and mouse NIH3T3 lysate probed with Caspase-1 antibody at 0.5 ug/ml and 2 ug/ml, respectively.

Immunohistological Staining of Caspase-1 in Paraffin Embedded Adenocarcinoma of the Rectum

Adenocarcinoma of the rectum stained with Caspase-1 antibody (5 ug/ml), peroxidase-conjugate and DAB chromogen. Staining of formalin-fixed tissues is enhanced by boiling tissue sections in 10 mM sodium citrate buffer, pH 6.0 for 10-20 min followed by cooling at RT for 20 min.

Immunohistological Staining of Caspase-1 in Paraffin Embedded Human Colon

Detection of Caspase-1 protein in a section of normal human colon using 5 ug/ml concentration of Caspase 1 antibody (clone 14F468). Distinct cytoplasmic staining along with some nuclear positivity was observed in crypts/mucosa, and staining was found to be more intense in the absorptive columnar epithelial cells. [10X Magnification]

Immunohistological Staining of Caspase-1 in Paraffin Embedded Human Lung

Normal lung from human using 5 ug/ml concentration of Caspase 1 antibody (clone 14F468). In this representative lung section, different type of cells including pseudostratified columnar epithelium of bronchiole and the simple squamous epithelium of alveoli may be seen to develop immunoreactivity for Caspase 1. [10X Magnification]

Immunohistological Staining of Caspase-1 in Paraffin Embedded Human Skin

Normal skin from human using 5 ug/ml concentration of Caspase 1 antibody (clone 14F468). Strong cytoplasmic/nuclear staining developed in all the epidermal cells, blood vessels and some cells of the dermal connective tissues layer. [10X Magnification]

Immunohistological Staining of Caspase-1 in Paraffin Embedded Human Ovarian Cancer

Detection of Caspase-1 in a section of human ovarian cancer using 5 ug/ml concentration of Caspase 1 antibody (clone 14F468).

Immunohistological Staining of Caspase-1 in Paraffin Embedded Human Intestine

Tissue section of human intestine using Caspase-1 antibody (clone 14F468) at 5ug/ml concentration (1:200 dilution). The primary antibody binding to Caspase 1 in cells was detected using HRP conjugated anti-Mouse secondary antibody with DAB reagent, and the sections were further counterstained with hematoxylin for labeling cellular nuclei. This Caspase 1 antibody generated a diffused but specific cytoplasmic staining in columnar epithelia cells of villi, and a few cells depicted nuclear staining also. Only a subset of connective tissue cells in lamina propria depicted positivity (cytoplasmic) for this protein.

Western Blot: Caspase-1 Antibody (14F468) - BSA Free [NB100-56565] -

Western Blot: Caspase-1 Antibody (14F468) - BSA Free [NB100-56565] - Glucose fluctuations promoted the activation of NLRP3 inflammasome. (A) Immunofluorescence staining of NLRP3-ASC interaction in rat hearts. The heart sections were labeled with anti-NLRP3 (red), anti-ASC (green), & DAPI (blue) (n = 3 per group). (B–D) The mRNA levels of NLRP3, IL-1 beta & IL-18 in rat hearts of the three groups (n = 4 per group). (E–H) The protein expressions of NLRP3, ASC & cleaved caspase-1 in rat hearts of the three groups (n = 4 per group). Image collected & cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/35592403), licensed under a CC-BY license. Not internally tested by Novus Biologicals.

Western Blot: Caspase-1 Antibody (14F468) - BSA Free [NB100-56565] -

Western Blot: Caspase-1 Antibody (14F468) - BSA Free [NB100-56565] - Caspase-1 expression increases with age in human fibroblasts: a Immunoblot analysis of caspase-1 & ASC in human fibroblasts obtained from a donor at the ages of 49, 52 & 64 y/o. b Immunocytochemistry image of human fibroblasts stained for caspase-1 (green) & Phalloidin (red) from a donor at three different ages (49, 52 & 64 y/o). Bar graph: 100 μm Image collected & cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/30473634), licensed under a CC-BY license. Not internally tested by Novus Biologicals.

Western Blot: Caspase-1 Antibody (14F468) - BSA Free [NB100-56565] -

Western Blot: Caspase-1 Antibody (14F468) - BSA Free [NB100-56565] - Aging alters expression of NLRP1 inflammasome components. Representative immunoblots & densitometric analysis of immunoblots for caspase-1 (Casp1), caspase-11 (Casp11), NLRP1, ASC, cleaved XIAP, P2X7 receptor (P2X7R) & pannexin-1 (PanX1) in brain lysates of young (Y) & aged (A) animals. Protein levels of cleaved caspase-1 & -11 are higher in aged animals compared to young. Protein levels of NLRP1 & ASC did not change with age whereas P2X7 receptor, the pannexin-1 protein & the cleaved fragment of XIAP are higher in aged animals than in young animals. beta-Tubulin was used as an internal standard & control for protein loading. Data are presented as mean +/- SEM. *p < 0.05, **p < 0.01, ***p < 0.005 compared with young. n = 6 per group. Image collected & cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/22133203), licensed under a CC-BY license. Not internally tested by Novus Biologicals.

Western Blot: Caspase-1 Antibody (14F468) - BSA Free [NB100-56565] -

Western Blot: Caspase-1 Antibody (14F468) - BSA Free [NB100-56565] - Role of NF-kappa B in glucose fluctuation-induced inflammasome-related myocardial fibrosis. (A) Immunofluorescence staining of NF-kappa B/p65 nucleation (n = 3 per group). (B,C) The phosphorylation level of NF-kappa B/p65 in rat hearts of the three groups (n = 4 per group). (D) Immunofluorescence staining of intracellular NLRP3–ASC interaction in the GF & GF + TPCA-1 groups. The NRCFs were labeled with anti-NLRP3 (red), anti-ASC (green), & DAPI (blue) (n = 3 per group). (E–G) After application of TPCA-1 (0.5 μM), the protein expressions of cleaved caspase-1 & collagen I were measured by western blot (n = 3 per group). Image collected & cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/35592403), licensed under a CC-BY license. Not internally tested by Novus Biologicals.

Western Blot: Caspase-1 Antibody (14F468) - BSA Free [NB100-56565] -

Western Blot: Caspase-1 Antibody (14F468) - BSA Free [NB100-56565] - Inflammasome proteins are elevated in the cytosolic fraction of aged mice: a Representative image of immunoblot analyses of inflammasome proteins in the cytosolic fraction of the cortex of young (Y) & aged (A) mice. Quantification of immunoblot analysis of NLRC4 (b), caspase-1 (c), ASC (d), IL-18 (e) in the cortex. a Representative image of immunoblot analyses of inflammasome proteins in the cytosolic fraction of the hippocampus of young (Y) & aged (A) mice. Quantification of immunoblot analysis of NLRC4 (g), caspase-1 (h), caspase-11 (i), ASC (j), IL-1 beta (k) in the hippocampus. Data presented as mean+/-SEM. N = 5 per group. *p < 0.05 Image collected & cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/30473634), licensed under a CC-BY license. Not internally tested by Novus Biologicals.

Western Blot: Caspase-1 Antibody (14F468) - BSA Free [NB100-56565] -

Western Blot: Caspase-1 Antibody (14F468) - BSA Free [NB100-56565] - NLRP3 inhibition with MCC950 reversed myocardial fibrosis induced by glucose fluctuations. (A) Representative images of hematoxylin & eosin (HE) staining for myocardial tissue in the FBG + NaCl & FBG + MCC950 groups (n = 3 per group). (B–C) Representative images of myocardial fibrosis & fibrosis area (%) in the FBG + NaCl & FBG + MCC950 groups (n = 4 per group). (D–K) The protein expressions of NLRP3, cleaved caspase-1, TGF-beta 1, collagen I & collagen III in the FBG + NaCl & FBG + MCC950 groups (n = 6 per group). Image collected & cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/35592403), licensed under a CC-BY license. Not internally tested by Novus Biologicals.

Western Blot: Caspase-1 Antibody (14F468) - BSA Free [NB100-56565] -

Western Blot: Caspase-1 Antibody (14F468) - BSA Free [NB100-56565] - Inflammasome proteins are elevated in the cytosolic fraction of aged mice: a Representative image of immunoblot analyses of inflammasome proteins in the cytosolic fraction of the cortex of young (Y) & aged (A) mice. Quantification of immunoblot analysis of NLRC4 (b), caspase-1 (c), ASC (d), IL-18 (e) in the cortex. a Representative image of immunoblot analyses of inflammasome proteins in the cytosolic fraction of the hippocampus of young (Y) & aged (A) mice. Quantification of immunoblot analysis of NLRC4 (g), caspase-1 (h), caspase-11 (i), ASC (j), IL-1 beta (k) in the hippocampus. Data presented as mean+/-SEM. N = 5 per group. *p < 0.05 Image collected & cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/30473634), licensed under a CC-BY license. Not internally tested by Novus Biologicals.

Western Blot: Caspase-1 Antibody (14F468) - BSA Free [NB100-56565] -

Western Blot: Caspase-1 Antibody (14F468) - BSA Free [NB100-56565] - Role of inflammasome in glucose fluctuation-induced myocardial fibrosis. (A) Immunofluorescence staining of intracellular NLRP3–ASC interaction examined by confocal microscopy. The NRCFs were labeled with anti-NLRP3 (red), anti-ASC (green), & DAPI (blue) (n = 3 per group). (B–G) After siRNA targeting NLRP3 transfection, the protein expressions of NLRP3, cleaved caspase-1 & collagen I were measured by western blot (n = 3 per group). (H) Representative images of immunofluorescence staining of intracellular alpha-SMA in the NG, HG, GF, & GF + siRNA groups (n = 3 per group). Image collected & cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/35592403), licensed under a CC-BY license. Not internally tested by Novus Biologicals.

Western Blot: Caspase-1 Antibody (14F468) - BSA Free [NB100-56565] -

Western Blot: Caspase-1 Antibody (14F468) - BSA Free [NB100-56565] - Epirubicin suppresses the NLRP3 inflammasome in presence of autophagy inhibitors. (A) LPS/ATP-induced IL-1 beta secretion from PM in the absence or presence of bafilomycin & 3-MA is shown. Means ± SEM from 10 (IL-1 beta) independent experiments are shown. (B) Representative immunoblot of LC3b after epirubicin & LPS/ATP treatments. (C,D) Representative immunoblots of inflammasome & autophagy components after inhibition with (C) bafilomycin or (D) 3-MA in PM whole cell lysates. Cells were treated with indicated concentrations of epirubicin treatment over 24 h, followed by LPS (10 ng/mL) in the absence or presence of bafilomycin (300 nM) or 3-MA (10 mM) for 3 h & NLRP3 activation by ATP (1 mM, 1 h). Whole cell lysates were subjected to SDS-PAGE (10% gel) & processed for immunoblot analysis with specific antibodies. Here, beta-actin served as loading control. Statistical tests: one-sample t-test (A) ** p < 0.01, *** p < 0.001. Image collected & cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/31905600), licensed under a CC-BY license. Not internally tested by Novus Biologicals.

Western Blot: Caspase-1 Antibody (14F468) - BSA Free [NB100-56565] -

Western Blot: Caspase-1 Antibody (14F468) - BSA Free [NB100-56565] - Genetic or pharmacologic disruption of Caspase 1 blocks LukAB-induced cytokine secretion but not cell death.(A) THP1 cells were transfected with siRNA against Caspase 1, ASC or a non-targeting sequence. Cell lysates were collected & analyzed by immunoblot to confirm knockdown of pro-Caspase 1 & ASC. (B) THP1 siRNA cells were incubated with propidium iodide & intoxicated with 50 ng/mL LukAB for 1 hour then analyzed by flow cytometry. (C & D) THP1 siRNA cells were either primed with LTA (500ng/mL) (C) or untreated (D) then intoxicated with LukAB (50ng/mL) for 1 hr before culture supernatants were analyzed for release of IL-1 beta (C) or IL-18 (D). (E & F) Primary CD14+ human monocytes were incubated with the indicated concentration of z-YVAD-FMK or VX-765 for 30 minutes. Primary monocytes were incubated in the presence of propidium iodide (E) then intoxicated with LukAB (50ng/mL) & analyzed by flow cytometry. (F) Primary monocytes were intoxicated with LukAB (50ng/mL) & culture supernatants were analyzed for release of IL-18. Propidium iodide staining & IL-18 secretion are reported as a fraction of measurement in primary cells not treated with inhibitor. Bars represent the mean ± standard error of the mean for at least two independent experiments, each performed in triplicate. Asterisks indicate significance at a p-value of ≤ 0.05 by Tukey’s multiple comparisons post-test for 1-way or 2-way ANOVA, as appropriate. Image collected & cropped by CiteAb from the following publication (https://dx.plos.org/10.1371/journal.ppat.1004970), licensed under a CC-BY license. Not internally tested by Novus Biologicals.

Western Blot: Caspase-1 Antibody (14F468) - BSA Free [NB100-56565] -

Western Blot: Caspase-1 Antibody (14F468) - BSA Free [NB100-56565] - Probenecid reduces protein expression of NLRP1 inflammasome & ameliorates spatial learning deficits in aged rats. (A) Representative immunoblots of cleaved caspase-1, pannexin1 & P2X7R in hippocampal lysates of vehicle (Veh)-treated & probenecid (Pr)-treated 18-month-old rats. beta-tubulin was used as an internal control. (B) Densitometric analysis of immunoblots from brain lysates of cleaved caspase-1 (Casp1), P2X7 receptor (P2X7R), & pannexin1 (PanX1). (C-D) Aged animals underwent behavioral testing following either probenecid or vehicle treatment. (C) In a hippocampal-dependent spatial learning task via Morris water maze, latency to platform was measured on days 1-3 & 8-10. Probenecid-treatment improved latency to platform measured on the final day of testing (D) Mean path length was determined on day 10 of testing & probenecid-treated rats demonstrated significantly shorter mean path lengths than vehicle-treated controls. Drug treatment was administered twice daily for 3 days (days 7-9). Data are presented as mean +/- SEM *p < 0.05, **p < 0.005 compared to vehicle. N = 6-8/per group. Image collected & cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/22133203), licensed under a CC-BY license. Not internally tested by Novus Biologicals.