Key features and details
- Rabbit polyclonal to IL-1 beta
- Suitable for: IHC-P
- Reacts with: Human
- Isotype: IgG
- 倫理基準に準拠 - アニマル・フリーの生産
製品名Anti-IL-1 beta antibody
IL-1 beta 一次抗体 製品一覧
製品の詳細Rabbit polyclonal to IL-1 beta
アプリケーション適用あり: IHC-Pmore details
Recombinant 153 aa human IL-1beta produced in E.coli. MW of recombinant IL-1beta 17kDa, with the N-terminal amino acid at position alanine 117. This is the cleavage site generated by the IL-1beta converting enzyme (ICE, capase-1).
- IHC-P: human medullary lymph node
caution, F(c) domain of rabbit IgG may interact with cells non-specifically.
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保存方法Shipped at 4°C. Upon delivery aliquot and store at -20°C or -80°C. Avoid repeated freeze / thaw cycles.
バッファーConstituents: 0.42% Potassium phosphate, 0.87% Sodium chloride
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特記事項（精製）IgG from whole rabbit serum purified by DEAE fractionation.
機能Potent proinflammatory cytokine. Initially discovered as the major endogenous pyrogen, induces prostaglandin synthesis, neutrophil influx and activation, T-cell activation and cytokine production, B-cell activation and antibody production, and fibroblast proliferation and collagen production. Promotes Th17 differentiation of T-cells.
組織特異性Expressed in activated monocytes/macrophages (at protein level).
配列類似性Belongs to the IL-1 family.
翻訳後修飾Activation of the IL1B precursor involves a CASP1-catalyzed proteolytic cleavage. Processing and secretion are temporarily associated.
細胞内局在Cytoplasm, cytosol. Lysosome. Secreted, exosome. Cytoplasmic vesicle, autophagosome. Secreted. The precursor is cytosolic. In response to inflammasome-activating signals, such as ATP for NLRP3 inflammasome or bacterial flagellin for NLRC4 inflammasome, cleaved and secreted. IL1B lacks any known signal sequence and the pathway(s) of its secretion is(are) not yet fully understood (PubMed:24201029). On the basis of experimental results, several unconventional secretion mechanisms have been proposed. 1. Secretion via secretory lysosomes: a fraction of CASP1 and IL1B precursor may be incorporated, by a yet undefined mechanism, into secretory lysosomes that undergo Ca(2+)-dependent exocytosis with release of mature IL1B (PubMed:15192144). 2. Secretory autophagy: IL1B-containing autophagosomes may fuse with endosomes or multivesicular bodies (MVBs) and then merge with the plasma membrane releasing soluble IL1B or IL1B-containing exosomes (PubMed:24201029). However, autophagy impacts IL1B production at several levels and its role in secretion is still controversial. 3. Secretion via exosomes: ATP-activation of P2RX7 leads to the formation of MVBs containing exosomes with entrapped IL1B, CASP1 and other inflammasome components. These MVBs undergo exocytosis with the release of exosomes. The release of soluble IL1B occurs after the lysis of exosome membranes (By similarity). 4. Secretion by microvesicle shedding: activation of the ATP receptor P2RX7 may induce an immediate shedding of membrane-derived microvesicles containing IL1B and possibly inflammasome components. The cytokine is then released in the extracellular compartment after microvesicle lysis (PubMed:11728343). 5. Release by translocation through permeabilized plasma membrane. This may occur in cells undergoing pyroptosis due to sustained activation of the inflammasome (By similarity). These mechanisms may not be not mutually exclusive.
- Information by UniProt
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Immunohistochemical analysis of Formalin-fixed paraffin-embedded human medullary lymph node sections labeling IL-1 beta with ab2105. Peroxidase goat anti-rabbit at 1/10,000 was used as the secondary antibody.
ab2105 at 1/20 staining human liver tissue sections by IHC-P. The cells were paraformaldehyde fixed and a heat mediated antigen retrieval step was performed. The tissue was incubated with the tissue overnight at room temperature. A biotinylated donkey anti-rabbit IgG was used as the secondary antibody and this was detected using streptavidin HRP.
ab2105 は 113 報の論文で使用されています。
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- Wang Y et al. Linkage of lncRNA CRNDE sponging miR-181a-5p with aggravated inflammation underlying sepsis. Innate Immun 26:152-161 (2020). PubMed: 31604377
- Chao S et al. Polygala fallax Hemsl combined with compound Sanqi granules relieves glomerulonephritis by regulating proliferation and apoptosis of glomerular mesangial cells. J Int Med Res 48:300060519894124 (2020). PubMed: 32000547
- Zhang J et al. MicroRNA-483 amelioration of experimental pulmonary hypertension. EMBO Mol Med 12:e11303 (2020). PubMed: 32324970
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