CD68/SR-D1 Antibody (KP1) - BSA Free


Immunohistochemistry: CD68/SR-D1 Antibody (KP1) [NB100-683] - Representative images (40x) of infiltrated macrophages stained with anti-CD 68 in the gingiva. The black arrowheads indicate the infiltrated macrophages. The more
Flow Cytometry: CD68/SR-D1 Antibody (KP1) [NB100-683] - An intracellular stain was performed on THP-1 cells with CD68/SR-D1 Antibody NB100-683 (blue) and a matched isotype control (orange). Cells were fixed with 4% PFA more
Immunocytochemistry/ Immunofluorescence: CD68/SR-D1 Antibody (KP1) [NB100-683] - A431 cells were fixed in 4% paraformaldehyde for 10 minutes and permeabilized in 0.05% Triton X-100 in PBS for 5 minutes. The cells were more
Western Blot: CD68/SR-D1 Antibody (KP1) [NB100-683] - Total protein from mouse Raw cells was separated on a 7.5% gel by SDS-PAGE, transferred to PVDF membrane and blocked in 5% non-fat milk in TBST. The membrane was more
Flow Cytometry: CD68/SR-D1 Antibody (KP1) [NB100-683] - An intracellular stain was performed on A431 cells with CD68/SR-D1 [KP1] Antibody NB100-683AF647 (blue) and a matched isotype control (orange). Cells were fixed more
Immunocytochemistry/ Immunofluorescence: CD68/SR-D1 Antibody (KP1) [NB100-683] - A431 cells were fixed in 4% paraformaldehyde for 10 minutes and permeabilized in 0.05% Triton X-100 in PBS for 5 minutes. The cells were more
Immunohistochemistry-Paraffin: CD68/SR-D1 Antibody (KP1) [NB100-683] - Analysis of a FFPE tissue section of human spleen using 1:200 dilution of CD68 antibody. The staining was developed using HRP labeled anti-rabbit more
Flow Cytometry: CD68/SR-D1 Antibody (KP1) [NB100-683] - An intracellular stain was performed on THP-1 cells with CD68 Antibody [KP1] NB100-683 (blue) and a matched isotype control (orange). Cells were fixed with 4% PFA more
Dual RNAscope ISH-IHC: CD68/SR-D1 Antibody (KP1) [NB100-683] - NOS2 mRNA (red) and CD68 protein (green) were detected in formalin-fixed paraffin-embedded tissue sections of human breast cancer. ACD's Integrated more

Product Details

Reactivity Hu, Mu, RtSpecies Glossary
Applications WB, EM, Flow, ICC/IF, IHC, IHC-Fr, IHC-P, IP, Dual ISH-IHC
BSA Free
1.0 mg/ml

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CD68/SR-D1 Antibody (KP1) - BSA Free Summary

This CD68/SR-D1 Antibody (KP1) was developed against subcellular fraction of human alveolar macrophages.
Cell membrane
Macrophage Marker
This CD68/SR-D1 Antibody (KP1) is specific to macrophages in a wide variety of human tissues. It reacts with myeloid precursors and peripheral blood granulocytes. It also stains a cell population known as Plasmacytoid T cells.
IgG1 Kappa
Protein G purified
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.


  • Dual RNAscope ISH-IHC
  • Electron Microscopy
  • Flow Cytometry
  • Immunocytochemistry/Immunofluorescence 1-5 ug/ml
  • Immunohistochemistry 1:100-1:200
  • Immunohistochemistry-Frozen 1:100-1:200
  • Immunohistochemistry-Paraffin 1:100-1:200
  • Immunoprecipitation
  • Western Blot 2 ug/ml
Application Notes
IHC: For an ABC system, dilute 1:20 and incubate for 30-60 minutes at RT. IHC-P tissue sections require high temperature antigen unmasking with 10 mM citrate buffer, pH 6.0 prior to immunostaining. Use in Flow Cytometry reported in scientific literature (PMID: 18405323). Use in Electron Microscopy reported in scientific literature (PMID: 8962141).
CD68/SR-D1 Overexpression Lysate
Reviewed Applications
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NB100-683 in the following applications:

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NB100-683 in the following applications:

Reactivity Notes

Rat reactivity reported in scientific literature (PMID: 25058444)

Packaging, Storage & Formulations

Store at 4C. Do not freeze.
0.02% Sodium Azide
1.0 mg/ml
Protein G purified

Alternate Names for CD68/SR-D1 Antibody (KP1) - BSA Free

  • CD_antigen: CD68
  • CD68 antigen
  • CD68 molecule
  • CD68
  • DKFZp686M18236
  • gp110
  • LAMP4
  • macrophage antigen CD68
  • Macrosialin
  • SCARD1
  • scavenger receptor class D, member 1
  • SRD1
  • SR-D1


Human CD68, also known as GP110, LAMP4, Scavenger Receptor D1 (SR-D1) or macrosialin in mouse, encodes a 110-kD transmembrane glycoprotein that belongs to the lysosomal/endosomal-associated membrane glycoprotein (LAMP) family. Members of the LAMP family include LAMP-1, LAMP-2, dendritic cell (DC)-LAMP (aka CD208), and brain and dendritic cell-associated (BAD)-LAMP (aka LAMP-5). Unlike the two LAMP domains facing the lysosomal lumen in LAMP-1 and LAMP-2, CD68 has a single LAMP domain containing four cystines spaced 36-37 residues apart along with an N-terminal Mucin-like domain. The 354 amino acid (a.a.) human CD68 and 326 a.a. murine ortholog share 80.6% a.a. sequence identity (1).

CD68 is highly expressed in cells of the mononuclear phagocyte system such as macrophages, microglia, osteoclasts, and myeloid dendritic cells (DCs); and is expressed to a lesser extent in lymphoid cells (CD19+ B lymphocytes and CD4+ T lymphocytes), human umbilical cord mesenchymal stem cells (MSCs), fibroblasts, endothelial cells, multiple non-hematopoietic cancer cell lines, and human arterial intimal smooth muscle cells (SMCs). Expression has been also observed in diseased states for granulocytes and neutrophils, in particular basophils from myeloproliferative disorders and intestinal neutrophils from inflammatory bowel disease (IBD), respectively (1).

Although the function of CD68 has yet to be established, it has often been used as an immunohistochemistry (IHC) marker of inflammation and for granular cell tumors (GCTs). CD68+ tumor associated macrophages (TAMs) has been suggested to be a predictive marker for poor cancer prognosis, but a meta-analysis showed the presence of CD68 is not correlated with survival (2). In addition, a role in hepatic malaria infection has been reported based on the finding that peptide P39 binds CD68, considered a receptor for malaria sporozoite, and inhibits parasite entry into Kupffer cells. CD68 was deemed a member of the Scavenger receptor family due to its upregulation in macrophages following inflammatory stimuli, ability to bind modified LDL, phosphatidylserine, and apoptotic cells, as well as shuttling between the plasma membrane and endosomes. CD68 has been linked to atherogenesis based on binding and internalization of its ligand, oxLDL (1).


1. Chistiakov, DA, Killingsworth, MC, Myasoedova, VA. Orekhov AN, Bobryshev YV. (2017) CD68/macrosialin: not just a histochemical marker. Lab Invest. 97:4-13. PMID: 27869795

2. Troiano G, Caponio VCA, Adipietro I, Tepedino M, Santoro R, Laino L, Lo Russo L, Cirillo N, Lo Muzio L. (2019) Prognostic significance of CD68+ and CD163+ tumor associated macrophages in head and neck squamous cell carcinoma: A systematic review and meta-analysis. Oral Oncol. 93:66-75. PMID: 31109698.


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.

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Publications for CD68/SR-D1 Antibody (NB100-683)(52)

We have publications tested in 3 confirmed species: Human, Mouse, Rat.

We have publications tested in 7 applications: FLOW, ICC/IF, IF, IHC, IHC-Fr, IHC-P, WB.

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Showing Publications 1 - 10 of 52. Show All 52 Publications.
Publications using NB100-683 Applications Species
Zhang, S;Zhou, Y;Xian, H;Shi, Y;Liu, Y;Li, Z;Huang, Y; Nerve regeneration in rat peripheral nerve allografts: An assessment of the role of endogenous neurotrophic factors in nerve cryopreservation and regeneration The European journal of neuroscience [PMID: 35332602]
Gredic M, Wu CY, Hadzic S et al. Myeloid-cell-specific deletion of inducible nitric oxide synthase protects against smoke-induced pulmonary hypertension in mice The European respiratory journal Apr 1 2022 [PMID: 34475225] (IHC-P, Mouse) IHC-P Mouse
Atta G, Schroedl F, Kaser-Eichberger A et al. Scleraxis expressing scleral cells respond to inflammatory stimulation Histochemistry and cell biology May 8 2021 [PMID: 33966129] (IHC, Mouse) IHC Mouse
Jaworek C, Verel-Yilmaz Y, Driesch S et al. Cohort Analysis of ADAM8 Expression in the PDAC Tumor Stroma Journal of personalized medicine Feb 10 2021 [PMID: 33578644]
JaEn RI, FernAndez-Velasco M, TerrOn V et al. BML-111 treatment prevents cardiac apoptosis and oxidative stress in a mouse model of autoimmune myocarditis FASEB J. Jun 16 2020 [PMID: 32543747] (ICC/IF, Mouse) ICC/IF Mouse
Chen WC, Lin CY, Kuo SJ et al. Resistin Enhances VCAM-1 Expression and Monocyte Adhesion in Human Osteoarthritis Synovial Fibroblasts by Inhibiting MiR-381 Expression through the PKC, p38, and JNK Signaling Pathways Cells Jun 1 2020 [PMID: 32492888] (IHC, Rat) IHC Rat
Wang M, Li H, Wang Y et al. Anti-Rheumatic Properties of Gentiopicroside Are Associated With Suppression of ROS-NF-kappa B-NLRP3 Axis in Fibroblast-Like Synoviocytes and NF-kappa B Pathway in Adjuvant-Induced Arthritis Front Pharmacol May 4 2020 [PMID: 32477105] (ICC/IF, Rat) ICC/IF Rat
Schoenenberger AD, Tempfer H, Lehner C et al. Macromechanics and polycaprolactone fiber organization drive macrophage polarization and regulate inflammatory activation of tendon in vitro and in vivo Biomaterials Aug 1 2020 [PMID: 32315865] (IHC, Human) IHC Human
Liu Y, Li M, Wei C et Al. TSP1-CD47-SIRP alpha signaling facilitates the development of endometriosis by mediating the survival of ectopic endometrium Am. J. Reprod. Immunol. Mar 20 2020 [PMID: 32196807]
McCloskey CW, Cook DP, Kelly BS et al. Metformin abrogates age-associated ovarian fibrosis Clin. Cancer Res. 2019 Oct 09 [PMID: 31597663] (IHC-P, IHC, Human, Mouse) IHC-P, IHC Human, Mouse
Show All 52 Publications.

Review for CD68/SR-D1 Antibody (NB100-683) (1) 51

Average Rating: 5
(Based on 1 review)
We have 1 review tested in 1 species: Mouse.

Reviews using NB100-683:
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Images Ratings Applications Species Date Details
Immunohistochemistry-Paraffin CD68/SR-D1 NB100-683
reviewed by:
Verified Customer
IHC-P Mouse 11/22/2019


Sample TestedMouse heart

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CD68 (Cluster of differentiation 68, GP110, LAMP4, SCARD1)
CD68 belongs to a growing family of hematopoietic mucin-like molecules known as lysosomal/endosomal-associated membrane glycoproteins (LAMPs). Other LAMP family members included leukosialin, stem cell antigen CD34, and GlyCAM-1. CD68 encodes a 110-kD ...  Read full blog post.

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Verified Customer
Application: IHC-P
Species: Mouse


Gene Symbol CD68