COX-1 Antibody

Western Blot: COX-1 Antibody [NB100-867] - Staining (1ug/ml) of U937 cell lysate (35ug protein in RIPA buffer). Detected by chemiluminescence.

Immunohistochemistry-Paraffin: COX-1 Antibody [NB100-867] - Staining (3.8µg/ml) of paraffin embedded Human Heart. Steamed antigen retrieval with citrate buffer pH 6, AP-Staining.

COX-1-Antibody-Immunohistochemistry-NB100-867-img0008.jpg

Immunocytochemistry/ Immunofluorescence: COX-1 Antibody [NB100-867] - Intestinal tuft cells express advillin. (a) Immunohistochemistry of paraffin-embedded tissue from distal ileum of C57BL/6 J mice using advillin (green) & DCLK1 (red) antibodies. Nuclei are counter stained with DAPI. Both proteins co-localize in the same cell. Note that not all DCLK1 positive cells are positive for advillin expression. Right panel shows higher magnification of boxed area & shows co-localization of DCLK1 & advillin in a tuft cell. (b) Immunohistochemistry of paraffin embedded tissue from distal ileum of C57BL/6 J mice using advillin (green) & PTGS1 (red) antibodies. Nuclei are counter stained with DAPI. Right panel shows higher magnification of boxed area & co-localization of PTGS1 & advillin in a tuft cell. (c) Immunohistochemistry of cryopreserved tissue from distal ileum of C57BL/6 J mice using Alexa Fluor 568 Phalloidin (red) & advillin (green). Nuclei are counter stained with DAPI. Right panel shows higher magnification of boxed area & co-localization of advillin & F-actin at the apical surface of a tuft cell. Data shown are representative of n = 5 animals. Scale bar represents 10 μm. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/32483224), licensed under a CC-BY license. Not internally tested by Novus Biologicals.

Immunocytochemistry/ Immunofluorescence: COX-1 Antibody [NB100-867] - In intestinal enteroids, tuft cells express advillin. (a) Immuno-histochemistry of enteroids from distal ileum of C57BL/6 J mice shows tuft cell hyperplasia 72 hours post IL-4 & IL-13 treatment. Control refers to untreated enteroids from C57BL/6 J mice. Advillin (green) & DCLK1 (red) co-localization was used to identify tuft cells. Nuclei are counter stained with DAPI. Right panel shows higher magnification of the boxed area. (b) Immunohistochemistry of IL-4 & IL-13 treated enteroids from distal ileum of C57BL/6 J mice, show co-localization in tuft cells of advillin (green) & DCLK1 (red) in the upper panel; & advillin & PTGS1 (red) in the lower panel. Nuclei were counter stained with DAPI. Right panels show higher magnification of boxed area. Data shown are representative of n = 5 animals. Scale bar represents 10 μm. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/32483224), licensed under a CC-BY license. Not internally tested by Novus Biologicals.

Immunocytochemistry/ Immunofluorescence: COX-1 Antibody [NB100-867] - Tuft cells positive for advillin are negative for villin. (a) Immunohistochemistry & Virtual Channel confocal microscopy of IL-4 & IL-13 treated enteroids from distal ileum of C57BL/6 J mice, show co-localization of advillin (green), DCLK1 (red) & PTGS1 (magenta) within the same cells identified as tuft cells. Nuclei are counter stained with DAPI. Right panel shows higher magnification of boxed area. (b) Immunohistochemistry of IL-4 & IL-13 treated enteroids from distal ileum of C57BL/6 J mice show co-localization in tuft cells of advillin (green) with F-actin (red) in the upper panel; & co-localization of advillin (red) & tubulin (green) in the lower panel. Nuclei were counter stained with DAPI. Right panel shows higher magnification of boxed area. Note the co-localization of advillin to the apical tuft that terminates near the perinuclear region of the cells. Advillin appears in vesiculated structures that co-localize with tubulin near the lateral cell surface & in the cytoplasm. (c) Immunohistochemistry of IL-4 & IL-13 treated enteroids from distal ileum of C57BL/6 J mice show the absence of villin (red) from advillin (green) expressing tuft cells. Nuclei are counter stained with DAPI. Right panel shows higher magnification of boxed area. Data shown are representative of n = 5 animals. Scale bar represents 10 μm. Image collected & cropped by CiteAb from the following publication (//pubmed.ncbi.nlm.nih.gov/32483224), licensed under a CC-BY license. Not internally tested by Novus Biologicals.

• Reactivity: Hu, Mu
• Applications: WB, ELISA, IHC
• Clonality: Polyclonal
• Host: Goat
• Conjugate: Unconjugated
• Concentration: 0.5 mg/ml

COX-1 Antibody Summary

• Immunogen: Peptide with sequence C-QDDGPAVERPSTEL corresponding to C-Terminus according to NP_000953.2, NP_542158.1.
• Localization: Cytoplasmic
• Specificity: This antibody is expected to recognise both human isoforms of this protein according to NP_000953.2 and NP_542158.1.
• Isotype: IgG
• Clonality: Polyclonal
• Host: Goat
• Gene: PTGS1
• Purity: Immunogen affinity purified

Applications/Dilutions

• Dilutions:
  • Immunohistochemistry
  • Immunohistochemistry-Paraffin 3 - 5 ug/ml
  • Peptide ELISA 1:32000
  • Western Blot 0.3-1 ug/ml
• Application Notes: Western blot: Approx 70 kDa band observed in lysates of histiocytic lymphoma cell line U937 (calculated MW of 68.7kDa according to NP_000953.2). In paraffin embedded Human Heart shows patchy staining of myocardial fibres in longitudinal section.
• Control:

  COX-1 Overexpression Lysate

Packaging, Storage & Formulations

• Storage: Store at -20C. Avoid freeze-thaw cycles.
• Buffer: Tris saline (20 mM Tris pH 7.3, 150 mM NaCl), 0.5% BSA
• Preservative: 0.02% Sodium Azide
• Concentration: 0.5 mg/ml
• Purity: Immunogen affinity purified

Alternate Names for COX-1 Antibody

• COX1
• COX-1
• COX1PGG/HS
• COX3
• cyclooxygenase-1
• EC 1.14.99.1
• PCOX1
• PGH synthase 1
• PGHS1
• PGHS-1PHS1
• PHS 1
• prostaglandin G/H synthase 1
• prostaglandin G/H synthase and cyclooxygenase
• Prostaglandin H2 synthase 1
• prostaglandin-endoperoxide synthase 1 (prostaglandin G/H synthase andcyclooxygenase)
• Prostaglandin-endoperoxide synthase 1
• PTGHS
• PTGS1

Background

Cyclooxygenase (COX), also known as Prostaglandin H2 synthase and Prostaglandin endoperoxide synthase, is a key enzyme in the of conversion arachidonic acid to Prostaglandin H2. Prostaglandin H2 is converted by other enzymes into inflammatory mediators prostaglandin (PG) D2, PGE2, PGF2a, PGI2 and Thromboxane A2. Thus, COX is a key enzyme in the production of inflammatory agents and is the target of intense research and drug discovery activities. There are two enzymes of COX, COX 1 and COX 2. COX 1 is constitutively produced in many (most) cell types. It is important in the gut for the production of prostaglandins, which inhibit gastric secretion. It can be induced in monocytes, macrophages and other cells. It is induced as part of the inflammatory response by IL 1beta and other cytokines. It is induced by growth factors such as EGF and PDGF. Expression is inhibited by glucocorticosteroids such as cortisol and dexamethasone. Lipopolysaccharide in bacterial infections induces COX 2. COX 2 is also found in elevated levels in synoviocytes from rheumatoid arthritis patients. The discomforts of inflammation such as pain and swelling are largely due to the action of prostaglandins produced by COX-2.

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

Publications for COX-1 Antibody (NB100-867)(5)

Publications using NB100-867

• Wang J, Ni H, Wei l et al. Genetic Deletion of cyclooxygenase-1 ameliorates neuroinflammation and cognitive impairment in 5�FAD mice Research Square 2023-02-03 (WB, ICC/IF, Mouse)
• Wang J, Ni H, Wang Y et al. Cyclooxygenase-1 deletion in 5 × FAD mice protects against microglia-induced neuroinflammation and mitigates cognitive impairment Translational Neurodegeneration 2025-08-22 [PMID: 40847374]
• Giordano I, Pasolli E, Mauriello G. Transcriptomic analysis reveals differential gene expression patterns of Lacticaseibacillus casei ATCC 393 in response to ultrasound stress. Ultrasonics sonochemistry 2024-06-17 [PMID: 38843696]
• Esmaeilniakooshkghazi A, George SP, Biswas R et al. Mouse intestinal tuft cells express advillin but not villin Scientific Reports 2020-06-01 [PMID: 32483224] (Mouse)
• Yokoyama C, Tanabe T. Cloning of human gene encoding prostaglandin endoperoxide synthase and primary structure of the enzyme. Biochem Biophys Res Commun 1989-12-15 [PMID: 2512924]

FAQs for COX-1 Antibody (NB100-867). (Showing 1 - 1 of 1 FAQs).

1. Please could you tell me if Novus Biologicals has an active COX1 Recombinant Protein?
   • Unfortunately we do not currently have any COX1 recombinant proteins that are expected to be active.

Bioinformatics

• Gene Symbol: PTGS1
• Entrez:
  • 5742(Human)
• Uniprot:
  • NP_000953()