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Caspase-4 Antibody

Rabbit Polyclonal Antibody

     
  • WB - Caspase-4 Antibody ABV10020-30
    Western blot analysis of caspase-4 expression in HeLa cell extract.
  • SPECIFICATION
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Product Information
Application
  • Applications Legend:
  • WB=Western Blot
  • IHC=Immunohistochemistry
  • IHC-P=Immunohistochemistry (Paraffin-embedded Sections)
  • IHC-F=Immunohistochemistry (Frozen Sections)
  • IF=Immunofluorescence
  • FC=Flow Cytopmetry
  • IC=Immunochemistry
  • ICC=Immunocytochemistry
  • E=ELISA
  • IP=Immunoprecipitation
  • DB=Dot Blot
  • CHIP=Chromatin Immunoprecipitation
  • FA=Fluorescence Assay
  • IEM=Immunoelectronmicroscopy
  • EIA=Enzyme Immunoassay
WB
Primary Accession P49662
Reactivity Human, Mouse, Rat
Host Rabbit
Clonality Polyclonal
Isotype Rabbit IgG
Calculated MW 43262 Da
Additional Information
Gene ID 837
Application & Usage Western blot analysis (0.5-4 µg/ml). However, the optimal conditions should be determined individually. The affinity purified antibody detects the 43 kDa proform of caspase-4.
Other Names CASP-4, ICH-2 protease, TX protease, ICH2
Target/Specificity Caspase-4
Antibody Form Liquid
Appearance Colorless liquid
Formulation 100 µg (0.2 mg/ml) affinity purified rabbit polyclonal antibody in phosphate buffered saline (PBS), pH 7.2, containing 30% glycerol, 0.5% BSA, 0.01% thimerosal.
Handling The antibody solution should be gently mixed before use.
Reconstitution & Storage -20 °C
Background Descriptions
PrecautionsCaspase-4 Antibody is for research use only and not for use in diagnostic or therapeutic procedures.
Protein Information
Name CASP4
Synonyms ICH2
Function Inflammatory caspase (PubMed:7797510, PubMed:23516580, PubMed:25119034). Essential effector of NLRP3 inflammasome- dependent CASP1 activation and IL1B and IL18 secretion in response to non-canonical activators, such as UVB radiation, cholera enterotoxin subunit B and cytosolic LPS (PubMed:22246630, PubMed:26174085, PubMed:26173988, PubMed:26508369, PubMed:25964352). Independently of NLRP3 inflammasome and CASP1, promotes pyroptosis, through GSDMD cleavage and activation, and IL1A, IL18 and HMGB1 release in response to non-canonical inflammasome activators (PubMed:24879791, PubMed:25964352). Plays a crucial role in the restriction of Salmonella typhimurium replication in colonic epithelial cells during infection (PubMed:25121752). In later stages of the infection, LPS from cytosolic Salmonella triggers CASP4 activation, which ultimately results in pyroptosis of infected cells and their extrusion into the gut lumen, as well as in IL18 secretion. Pyroptosis limits bacterial replication, while cytokine secretion promotes the recruitment and activation of immune cells and triggers mucosal inflammation. Involved in LPS-induced IL6 secretion; this activity may not require caspase enzymatic activity (PubMed:26508369). Involved in cell death induced by endoplasmic reticulum stress and by treatment with cytotoxic APP peptides found Alzheimer's patient brains (PubMed:15123740, PubMed:22246630, PubMed:23661706). Activated by direct binding to LPS without the need of an upstream sensor (PubMed:25119034). Does not directly process IL1B (PubMed:7743998, PubMed:7797592, PubMed:7797510).
Cellular Location Cytoplasm, cytosol. Endoplasmic reticulum membrane; Peripheral membrane protein; Cytoplasmic side. Mitochondrion Inflammasome. Secreted. Note=Predominantly localizes to the endoplasmic reticulum (ER). Association with the ER membrane requires TMEM214 (PubMed:15123740). Released in the extracellular milieu by keratinocytes following UVB irradiation (PubMed:22246630).
Tissue Location Widely expressed, including in keratinocytes and colonic and small intestinal epithelial cells (at protein level). Not detected in brain.
Research Areas
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Background

Apoptosis occurs during normal cellular development and involves dramatic changes in cellular structure. Disruption of apoptosis may contribute to cancer as well as other autoimmune diseases. Caspase family of cysteine proteases has been shown to play a key role in apoptosis. Caspase-4 is also known as Ich-2, TX, and ICErel-II and can proteolytically processed by granzyme B. Over expression of caspase-4 induces apoptosis in Rat-1 and HeLa cells, which can be inhibited by CrmA and Bcl-2.

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$ 89.00
$ 245.00
Cat# ABV10020-30
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