Date published: 2026-10-24

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CD74 Antibody (In-1): sc-19627

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Datasheets
  • CD74 Antibody (In-1) is a rat monoclonal IgG2b, cited in 1 publications, provided at 200 µg/ml
  • recommended for detection of CD74 of mouse origin by WB, IP, IF and FCM
  • available conjugated to either phycoerythrin or FITC for IF, IHC(P) and FCM
  • See CD74 (LN-2): sc-6262 for CD74 antibody conjugates, including AC, HRP, FITC, PE, Alexa Fluor® 488, 594, 647, 680 and 790.
  • At present, we have not yet completed the identification of the preferred secondary detection reagent(s) for CD74 Antibody (In-1). This work is in progress.
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CD74 Antibody (In-1) is a rat monoclonal IgG2b antibody that detects CD74 in mouse samples through applications such as western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and flow cytometry (FCM). CD74, also known as the invariant chain, plays a crucial role in the immune system by regulating the loading of peptides onto major histocompatibility complex class II (MHC II) molecules. This process is vital for the proper presentation of antigens to T lymphocytes, which is essential for initiating adaptive immune responses. The interaction between CD74 and MHC II occurs during the transport of MHC II to the endosomal compartment, where peptide binding takes place. CD74 is expressed on various immune cells, including B lymphocytes, where CD74 is found regardless of the histocompatibility leukocyte antigen (HLA) phenotype, while a subset of peripheral T lymphocytes that lack MHC II do not express CD74. The presence of CD74 on immune cells highlights CD74′s importance in maintaining immune homeostasis and facilitating effective immune responses, making anti-CD74 antibody (In-1) a valuable tool for researchers studying immune function and related disorders.

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

CD74 Antibody (In-1) References:

  1. CD74-NRG1 fusions in lung adenocarcinoma.  |  Fernandez-Cuesta, L., et al. 2014. Cancer Discov. 4: 415-22. PMID: 24469108
  2. CD74 ablation rescues type 2 diabetes mellitus-induced cardiac remodeling and contractile dysfunction through pyroptosis-evoked regulation of ferroptosis.  |  Chen, L., et al. 2022. Pharmacol Res. 176: 106086. PMID: 35033649
  3. CD74-NRG1 Fusions Are Oncogenic In Vivo and Induce Therapeutically Tractable ERBB2:ERBB3 Heterodimerization.  |  Werr, L., et al. 2022. Mol Cancer Ther. 21: 821-830. PMID: 35247925
  4. Infection and inflammation stimulate expansion of a CD74+ Paneth cell subset to regulate disease progression.  |  Balasubramanian, I., et al. 2023. EMBO J. 42: e113975. PMID: 37718683
  5. CD74 deficiency reduces trophoblast invasion and proliferation mediated by SIRT1 in preeclampsia.  |  Liu, Z., et al. 2023. Reproduction. 166: 423-435. PMID: 37796743
  6. CD74/SLC34A2-ROS1 Fusion Variants Involving the Transmembrane Region Predict Poor Response to Crizotinib in NSCLC Independent of TP53 Mutations.  |  Li, W., et al. 2024. J Thorac Oncol. 19: 613-625. PMID: 38070598
  7. CD74 Promotes Cyst Growth and Renal Fibrosis in Autosomal Dominant Polycystic Kidney Disease.  |  Zhou, JX., et al. 2024. Cells. 13: PMID: 38534333
  8. CD74 is a functional MIF receptor on activated CD4+ T cells.  |  Zhang, L., et al. 2024. Cell Mol Life Sci. 81: 296. PMID: 38992165
  9. Targeting tumor-associated macrophage-derived CD74 improves efficacy of neoadjuvant chemotherapy in combination with PD-1 blockade for cervical cancer.  |  Wang, Z., et al. 2024. J Immunother Cancer. 12: PMID: 39107132
  10. CD74 facilitates immunotherapy response by shaping the tumor microenvironment of hepatocellular carcinoma.  |  Cheng, J., et al. 2024. Mol Med. 30: 116. PMID: 39118044

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

CD74 Antibody (In-1)

sc-19627
200 µg/ml
$322.00

CD74 Antibody (In-1) FITC

sc-19627 FITC
200 µg/ml
$336.00

CD74 Antibody (In-1) PE

sc-19627 PE
200 µg/ml
$349.00

Can CD74 (In-1): sc-19627 monoclonal antibody be used in IF or IHC with mouse tissue or cells? Will there be non-specific staining?

Asked by: Cweed
Thank you for your inquiry. The use of mouse monoclonal antibodies with mouse samples is very common and typically poses no problem. To eliminate any potential cross-reactivity of an anti-mouse secondary detection reagent, CD74 (In-1): sc-19627 is available in a variety of direct conjugations, such as HRP, PE, FITC and AlexaFluors.
Answered by: Technical Support
Date published: 2017-02-24
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Rated 5 out of 5 by ruixinde99 from Good quality for WBAlthrough the antibody dilution suggest from 1:200 to 1:1000,the range is wide.However,the optimal staining conditions can easily be established.finally ,I choose 1:500 dilution for mouse brain tissue detection.
Date published: 2017-07-15
Rated 5 out of 5 by shafan from Clear band seenClear band seen use this antibody.Also the result is very satisfied us, it give us the right expression level of the controled group and Treatment group(a little blot background).
Date published: 2017-07-08
Rated 5 out of 5 by AbPolly from Good FCM CloneThe FITC conjugated version of this antibody performs well in Flow Cytometry, shows good separation from the normal control.
Date published: 2017-01-27
Rated 4 out of 5 by CZ from Nice results in FlowNice results in Flow.
Date published: 2015-10-08
Rated 3 out of 5 by JM from Acceptable FCM data of mouse peripheral bloodAcceptable FCM data of mouse peripheral blood leukocytes. -SCBT QC
Date published: 2015-06-01
Rated 4 out of 5 by SS from Worked well with transfected lysate by WBWorked well with transfected lysate by WB -SCBT QC
Date published: 2015-05-24
Rated 3 out of 5 by LR from Produced nice indirect/Direct FCM data forProduced nice indirect/Direct FCM data for mouse spleen. -SCBT QC
Date published: 2013-07-29
Rated 5 out of 5 by Anke from works greatworks great
Date published: 2003-06-26
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CD74 Antibody (In-1) is rated 4.3 out of 5 by 8.
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