Date published: 2026-5-12

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CD1A Antibody (HI149): sc-19636

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Datasheets
  • CD1A Antibody (HI149) is a mouse monoclonal IgG1 κ, cited in 2 publications, provided at 200 µg/ml
  • raised against human thymocytes
  • recommended for detection of CD1A of human origin by IF and FCM
  • available conjugated to either phycoerythrin, FITC, Alexa Fluor® 488 or Alexa Fluor® 647 for IF, IHC(P) and FCM
  • See CD1A (O10): sc-18885 for CD1A antibody conjugates, including AC, HRP, FITC, PE, Alexa Fluor® 488, 594, 647, 680 and 790.
  • m-IgG Fc BP-HRP, m-IgG1 BP-HRP and m-IgGκ BP-HRP are the preferred secondary detection reagents for CD1A Antibody (HI149). These reagents are now offered in bundles with CD1A Antibody (HI149) (see ordering information below).
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CD1A Antibody (HI149) is a mouse monoclonal IgG1 antibody that detects CD1A in human samples through applications such as immunofluorescence (IF) and flow cytometry (FCM). CD1A plays a crucial role in the immune system by presenting lipid antigens to T lymphocytes, which is essential for the recognition of non-peptide antigens and the activation of specific immune responses. CD1A is primarily located on the surface of Langerhans cells, a specialized type of dendritic cell found in the skin, where CD1A contributes to the initiation of immune responses against pathogens. CD1A expression on these cells is particularly important for the diagnosis of Langerhans cell histiocytosis (LCH), a rare disorder characterized by the proliferation of Langerhans cells. CD1A is also involved in the trafficking and activation of CD1-restricted T cells, with CD1A expression regulated by adaptor-protein complexes and chaperones that ensure proper localization and function. Anti-CD1A antibody (HI149) enables researchers to gain valuable insights into the mechanisms of lipid antigen presentation and the role of Langerhans cells in immune responses, making CD1A (HI149) monoclonal antibody a vital tool for studies in immunology and related fields.

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

CD1A Antibody (HI149) References:

  1. Fratricide-resistant CD1a-specific CAR T cells for the treatment of cortical T-cell acute lymphoblastic leukemia.  |  Sánchez-Martínez, D., et al. 2019. Blood. 133: 2291-2304. PMID: 30796021
  2. CD1a selectively captures endogenous cellular lipids that broadly block T cell response.  |  Cotton, RN., et al. 2021. J Exp Med. 218: PMID: 33961028
  3. Current Understanding of the Roles of CD1a-Restricted T Cells in the Immune System.  |  Yoo, HJ., et al. 2021. Mol Cells. 44: 310-317. PMID: 33980746
  4. Immunolocalization of CD1a expressing dendritic cells in sinonasal polyposis.  |  Jayasekhar, R., et al. 2022. J Immunoassay Immunochem. 43: 403-419. PMID: 35147059
  5. Monitoring Circulating CD207+CD1a+ Cells in Langerhans Cell Histiocytosis and Clinical Implications.  |  Olexen, CM., et al. 2022. J Immunol. 209: 270-279. PMID: 35768149
  6. Atypical sideways recognition of CD1a by autoreactive γδ T cell receptors.  |  Wegrecki, M., et al. 2022. Nat Commun. 13: 3872. PMID: 35790773
  7. Staphylococcal phosphatidylglycerol antigens activate human T cells via CD1a.  |  Monnot, GC., et al. 2023. Nat Immunol. 24: 110-122. PMID: 36550321
  8. Group A Streptococcus induces CD1a-autoreactive T cells and promotes psoriatic inflammation.  |  Chen, YL., et al. 2023. Sci Immunol. 8: eadd9232. PMID: 37267382
  9. CD1a and bound lipids drive T-cell responses in human skin disease.  |  Ogg, GS., et al. 2023. Eur J Immunol. 53: e2250333. PMID: 37539748
  10. Keratinocyte-derived small extracellular vesicles supply antigens for CD1a-resticted T cells and promote their type 2 bias in the context of filaggrin insufficiency.  |  Kobiela, A., et al. 2024. Front Immunol. 15: 1369238. PMID: 38585273

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

CD1A Antibody (HI149)

sc-19636
200 µg/ml
$322.00

CD1A Antibody (HI149): m-IgG Fc BP-HRP Bundle

sc-536625
200 µg Ab; 10 µg BP
$361.00

CD1A Antibody (HI149): m-IgGκ BP-HRP Bundle

sc-533782
200 µg Ab; 40 µg BP
$361.00

CD1A Antibody (HI149): m-IgG1 BP-HRP Bundle

sc-544714
200 µg Ab; 20 µg BP
$361.00

CD1A Antibody (HI149) Alexa Fluor® 488

sc-19636 AF488
200 µg/ml
$364.00

CD1A Antibody (HI149) Alexa Fluor® 647

sc-19636 AF647
200 µg/ml
$364.00

CD1A Antibody (HI149) FITC

sc-19636 FITC
200 µg/ml
$336.00

CD1A Antibody (HI149) PE

sc-19636 PE
200 µg/ml
$349.00

How can CD1A (HI149): sc-19636 mouse monoclonal antibody be used for double or triple staining, if the other primary antibodies are also raised in mouse?

Asked by: Dr Ninau Qelp
In this case, we recommend using a directly conjugated mouse monoclonal primary antibody. This antibody is available conjugated to phycoerythrin (sc-19636 PE) or fluoroscein (sc-19636 FITC).
Answered by: Technical Support
Date published: 2017-03-01
  • y_2026, m_5, d_11, h_10CST
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Rated 4 out of 5 by from Great FCM data of MOLTGreat FCM data of MOLT-4 cells. -SCBT QC
Date published: 2013-03-25
Rated 4 out of 5 by from FACS publishable data with human DCsFACS publishable data with human DCs - SCBT Publication Review
Date published: 2013-03-25
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CD1A Antibody (HI149) is rated 4.0 out of 5 by 2.
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