Date published: 2026-2-4

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ASM Antibody (4H2): sc-293189

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Datasheets
  • ASM Antibody (4H2) is a mouse monoclonal IgG2a κ ASM antibody provided at 100 µg/ml
  • raised against amino acids 1-364 representing partial length ASM of human origin
  • recommended for detection of ASM of human origin by WB, IP and ELISA
  • At present, we have not yet completed the identification of the preferred secondary detection reagent(s) for ASM Antibody (4H2). This work is in progress.
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    ASM Antibody (4H2) is a mouse monoclonal IgG2a kappa light chain antibody that detects ASM protein of human origin by western blotting (WB), immunoprecipitation (IP), and enzyme-linked immunosorbent assay (ELISA). Anti-ASM antibody (4H2) is available as a non-conjugated isotype antibody. Acid sphingomyelinase (ASM) plays a crucial role in lipid metabolism by hydrolyzing sphingomyelin into ceramide and phosphocholine, which are essential for maintaining cellular membrane integrity and signaling pathways. ASM deficiency leads to severe conditions such as type A and type B Niemann-Pick disease; type A is characterized by neurodegeneration and typically results in death by age three, while type B presents a non-neuropathic phenotype with a later onset. ASM gene encodes three protein isoforms, with ASM-1 being the only catalytically active enzyme, highlighting the importance of this specific isoform in disease pathology. During the differentiation of monocytic cells, ASM expression is significantly upregulated through the synergistic actions of transcription factors AP-2 and Sp1, underscoring the regulatory mechanisms that control ASM levels in response to cellular cues.

    For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

    Alexa Fluor® is a trademark of Molecular Probes Inc., OR., USA

    LI-COR® and Odyssey® are registered trademarks of LI-COR Biosciences

    ASM Antibody (4H2) References:

    1. Transcription factors Sp1 and AP-2 mediate induction of acid sphingomyelinase during monocytic differentiation.  |  Langmann, T., et al. 1999. J Lipid Res. 40: 870-80. PMID: 10224156
    2. Identification and expression of five mutations in the human acid sphingomyelinase gene causing types A and B Niemann-Pick disease. Molecular evidence for genetic heterogeneity in the neuronopathic and non-neuronopathic forms.  |  Takahashi, T., et al. 1992. J Biol Chem. 267: 12552-8. PMID: 1618760
    3. Human acid sphingomyelinase. Isolation, nucleotide sequence and expression of the full-length and alternatively spliced cDNAs.  |  Schuchman, EH., et al. 1991. J Biol Chem. 266: 8531-9. PMID: 1840600
    4. Niemann-Pick disease: a frequent missense mutation in the acid sphingomyelinase gene of Ashkenazi Jewish type A and B patients.  |  Levran, O., et al. 1991. Proc Natl Acad Sci U S A. 88: 3748-52. PMID: 2023926
    5. Disease manifestations and burden of illness in patients with acid sphingomyelinase deficiency (ASMD).  |  McGovern, MM., et al. 2017. Orphanet J Rare Dis. 12: 41. PMID: 28228103
    6. Acid sphingomyelinase from human urine: purification and characterization.  |  Quintern, LE., et al. 1987. Biochim Biophys Acta. 922: 323-36. PMID: 2825797
    7. Role of acid sphingomyelinase-induced ceramide generation in response to radiation.  |  Sharma, D. and Czarnota, GJ. 2019. Oncotarget. 10: 6-7. PMID: 30713596
    8. Acid Sphingomyelinase-Ceramide System in Bacterial Infections.  |  Li, C., et al. 2019. Cell Physiol Biochem. 52: 280-301. PMID: 30816675
    9. Acid sphingomyelinase promotes SGK1-dependent vascular calcification.  |  Luong, TTD., et al. 2021. Clin Sci (Lond). 135: 515-534. PMID: 33479769
    10. The acid sphingomyelinase/ceramide system in COVID-19.  |  Kornhuber, J., et al. 2022. Mol Psychiatry. 27: 307-314. PMID: 34608263
    11. Polyphyllin D punctures hypertrophic lysosomes to reverse drug resistance of hepatocellular carcinoma by targeting acid sphingomyelinase.  |  Wang, Y., et al. 2023. Mol Ther. 31: 2169-2187. PMID: 37211762
    12. Acid sphingomyelinase mediates ferroptosis induced by high glucose via autophagic degradation of GPX4 in type 2 diabetic osteoporosis.  |  Du, YX., et al. 2023. Mol Med. 29: 125. PMID: 37710183

    Ordering Information

    Product NameCatalog #UNITPriceQtyFAVORITES

    ASM Antibody (4H2)

    sc-293189
    100 µg/ml
    $322.00

    Does this antibody detect mouse ASM?

    Asked by: Tomas2
    Thank you for your question. We have not yet tested this antibody for reactivity with mouse ASM and so it is currently not recommended for detection in mouse.
    Answered by: Technical Support
    Date published: 2023-09-18

    For Western Blot, is it recommended to use denatured or non-denatured conditions with ASM (4H2): sc-293189 antibody?

    Asked by: DefinitelyNotMatt
    Thank you for your question. We recommend this antibody for use in denatured Western Blot conditions. It has not been validated for use in non-denatured conditions. Please contact our Technical Service Department for further details or inquiries.
    Answered by: Technical Support
    Date published: 2017-03-27
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    Rated 5 out of 5 by from Good for Western BlotAntibody detects ASM in human ASM transfected cell lysate by Western blot. -SCBT QC
    Date published: 2023-09-14
    Rated 5 out of 5 by from FantásticoExactamente lo que necesitábamos para nuestro ensayo
    Date published: 2019-02-25
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    ASM Antibody (4H2) is rated 5.0 out of 5 by 2.
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