Mouse CD45 (also known as Ly5 and leukocyte common antigen) is a 180‑220 kDa variably glycosylated member of the class 1 subtype of the protein tyrosine phosphatase family. It is synthesized as a 1291 amino acid (aa) precursor that contains a 23 aa signal sequence, a 541 aa extracellular domain (ECD), a 22 aa transmembrane segment, and a 705 aa cytoplasmic region. The ECD is coded for by exons 4‑16 of the CD45 gene. Alternate splicing of exon 4 (or A) (aa 30‑74), exon 5 (or B) (aa 75‑123) and exon 6 (or C) (aa 124‑169) define different lymphocyte populations and functional stages. Naïve T cells express exon 5 (CD45 RB), while activated T cells express neither exon 4, 5 or 6 (CD 45 RO). B cells express CD45 RABC, while resting NK cells express CD45 RA. Mouse CD45 ECD shares 60% and 44% aa sequence identity with rat and human full‑length CD45 ECD, respectively.
Key Product Details
Species Reactivity
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Applications
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Label
Antibody Source
Product Specifications
Immunogen
Gln24-Lys425
Accession # NP_035340
Specificity
Clonality
Host
Isotype
Scientific Data Images for Mouse CD45 Antibody
CD45 in RAW 264.7 Mouse Cell Line.
CD45 was detected in immersion fixed RAW 264.7 mouse monocyte/macrophage cell line (positive staining) and Neuro‑2A mouse neuroblastoma cell line (negative staining) using Goat Anti-Mouse CD45 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF114) at 5 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Goat IgG Secondary Antibody (red; NL001) and counterstained with DAPI (blue). Specific staining was localized to cell surface. Staining was performed using our protocol for Fluorescent ICC Staining of Non-adherent Cells.
CD45 in Mouse Liver.
CD45 was detected in immersion fixed paraffin-embedded sections of mouse liver using Goat Anti-Mouse CD45 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF114) at 3 µg/mL for 1 hour at room temperature followed by incubation with the Anti-Goat IgG VisUCyte™ HRP Polymer Antibody (VC004). Before incubation with the primary antibody, tissue was subjected to heat-induced epitope retrieval using Antigen Retrieval Reagent-Basic (CTS013). Tissue was stained using DAB (brown) and counterstained with hematoxylin (blue). Specific staining was localized to Kupffer cells. View our protocol for IHC Staining with VisUCyte HRP Polymer Detection Reagents.
Detection of Mouse CD45 by Immunocytochemistry/Immunofluorescence
The recruitment of CD45+F4/80+CD68+ macrophages was similar in the ASC-seeded DAT scaffolds that were cultured dynamically and statically for 14 days prior to implantation in the nu/nu mouse model. (A) Representative images showing CD45 (cyan), F4/80 (red), and CD68 (green) expression with DAPI counterstaining (blue) at 1-week post-implantation. Scale bars represent 100 μm. Boxed regions in the composite images are shown at higher magnification below. White arrowheads highlight CD45+F4/80+CD68+DAPI+ cells. (B) CD45+F4/80+CD68+DAPI+ cell density in the static and dynamic groups. (C) The percentage of CD45+F4/80+CD68+DAPI+ cells relative to the total CD45+DAPI+ cell population at 1, 4, and 8 weeks. *p < 0.05, **p < 0.01, ***p < 0.001. Image collected and cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/33816453), licensed under a CC-BY license. Not internally tested by R&D Systems.Applications for Mouse CD45 Antibody
CyTOF-ready
Flow Cytometry
Sample: Mouse splenocytes
Immunocytochemistry
Sample: Immersion fixed RAW 264.7 mouse monocyte/macrophage cell line
Immunohistochemistry
Sample: Immersion fixed paraffin-embedded sections of mouse liver
Western Blot
Sample: Recombinant Mouse CD45 (Catalog # 114-CD)
Reviewed Applications
Read 3 reviews rated 4.7 using AF114 in the following applications:
Flow Cytometry Panel Builder
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Advanced Features
- Spectra Viewer - Custom analysis of spectra from multiple fluorochromes
- Spillover Popups - Visualize the spectra of individual fluorochromes
- Antigen Density Selector - Match fluorochrome brightness with antigen density
Formulation, Preparation, and Storage
Purification
Reconstitution
Reconstitute at 0.2 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.
Formulation
Shipping
Stability & Storage
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Calculators
Background: CD45
Long Name
Alternate Names
Gene Symbol
UniProt
Additional CD45 Products
Product Documents for Mouse CD45 Antibody
Certificate of Analysis
To download a Certificate of Analysis, please enter a lot or batch number in the search box below.
Note: Certificate of Analysis not available for kit components.
Product Specific Notices for Mouse CD45 Antibody
For research use only
Related Research Areas
Citations for Mouse CD45 Antibody
Customer Reviews for Mouse CD45 Antibody (3)
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Customer Images
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Application: Immunocytochemistry/ImmunofluorescenceSample Tested: Lung tissueSpecies: MouseVerified Customer | Posted 10/05/2023DAPI (Blue) CD45 (Yellow)
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Application: ImmunohistochemistrySample Tested: retinal faltmountsSpecies: miceVerified Customer | Posted 11/08/2022
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Application: ImmunoprecipitationSample Tested: See PMID 22345665Species: OtherVerified Customer | Posted 01/05/2015
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Protocols
Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.
- 7-Amino Actinomycin D (7-AAD) Cell Viability Flow Cytometry Protocol
- Antigen Retrieval Protocol (PIER)
- Antigen Retrieval for Frozen Sections Protocol
- Appropriate Fixation of IHC/ICC Samples
- Cellular Response to Hypoxia Protocols
- Chromogenic IHC Staining of Formalin-Fixed Paraffin-Embedded (FFPE) Tissue Protocol
- Chromogenic Immunohistochemistry Staining of Frozen Tissue
- Detection & Visualization of Antibody Binding
- Extracellular Membrane Flow Cytometry Protocol
- Flow Cytometry Protocol for Cell Surface Markers
- Flow Cytometry Protocol for Staining Membrane Associated Proteins
- Flow Cytometry Staining Protocols
- Flow Cytometry Troubleshooting Guide
- Fluorescent IHC Staining of Frozen Tissue Protocol
- Graphic Protocol for Heat-induced Epitope Retrieval
- Graphic Protocol for the Preparation and Fluorescent IHC Staining of Frozen Tissue Sections
- Graphic Protocol for the Preparation and Fluorescent IHC Staining of Paraffin-embedded Tissue Sections
- Graphic Protocol for the Preparation of Gelatin-coated Slides for Histological Tissue Sections
- ICC Cell Smear Protocol for Suspension Cells
- ICC Immunocytochemistry Protocol Videos
- ICC for Adherent Cells
- IHC Sample Preparation (Frozen sections vs Paraffin)
- Immunocytochemistry (ICC) Protocol
- Immunocytochemistry Troubleshooting
- Immunofluorescence of Organoids Embedded in Cultrex Basement Membrane Extract
- Immunofluorescent IHC Staining of Formalin-Fixed Paraffin-Embedded (FFPE) Tissue Protocol
- Immunohistochemistry (IHC) and Immunocytochemistry (ICC) Protocols
- Immunohistochemistry Frozen Troubleshooting
- Immunohistochemistry Paraffin Troubleshooting
- Intracellular Flow Cytometry Protocol Using Alcohol (Methanol)
- Intracellular Flow Cytometry Protocol Using Detergents
- Intracellular Nuclear Staining Flow Cytometry Protocol Using Detergents
- Intracellular Staining Flow Cytometry Protocol Using Alcohol Permeabilization
- Intracellular Staining Flow Cytometry Protocol Using Detergents to Permeabilize Cells
- Preparing Samples for IHC/ICC Experiments
- Preventing Non-Specific Staining (Non-Specific Binding)
- Primary Antibody Selection & Optimization
- Propidium Iodide Cell Viability Flow Cytometry Protocol
- Protocol for Heat-Induced Epitope Retrieval (HIER)
- Protocol for Making a 4% Formaldehyde Solution in PBS
- Protocol for VisUCyte™ HRP Polymer Detection Reagent
- Protocol for the Characterization of Human Th22 Cells
- Protocol for the Characterization of Human Th9 Cells
- Protocol for the Fluorescent ICC Staining of Cell Smears - Graphic
- Protocol for the Fluorescent ICC Staining of Cultured Cells on Coverslips - Graphic
- Protocol for the Preparation & Fixation of Cells on Coverslips
- Protocol for the Preparation and Chromogenic IHC Staining of Frozen Tissue Sections
- Protocol for the Preparation and Chromogenic IHC Staining of Frozen Tissue Sections - Graphic
- Protocol for the Preparation and Chromogenic IHC Staining of Paraffin-embedded Tissue Sections
- Protocol for the Preparation and Chromogenic IHC Staining of Paraffin-embedded Tissue Sections - Graphic
- Protocol for the Preparation and Fluorescent ICC Staining of Cells on Coverslips
- Protocol for the Preparation and Fluorescent ICC Staining of Non-adherent Cells
- Protocol for the Preparation and Fluorescent ICC Staining of Stem Cells on Coverslips
- Protocol for the Preparation and Fluorescent IHC Staining of Frozen Tissue Sections
- Protocol for the Preparation and Fluorescent IHC Staining of Paraffin-embedded Tissue Sections
- Protocol for the Preparation of Gelatin-coated Slides for Histological Tissue Sections
- Protocol for the Preparation of a Cell Smear for Non-adherent Cell ICC - Graphic
- Protocol: Annexin V and PI Staining by Flow Cytometry
- Protocol: Annexin V and PI Staining for Apoptosis by Flow Cytometry
- R&D Systems Quality Control Western Blot Protocol
- TUNEL and Active Caspase-3 Detection by IHC/ICC Protocol
- The Importance of IHC/ICC Controls
- Troubleshooting Guide: Fluorokine Flow Cytometry Kits
- Troubleshooting Guide: Immunohistochemistry
- Troubleshooting Guide: Western Blot Figures
- Western Blot Conditions
- Western Blot Protocol
- Western Blot Protocol for Cell Lysates
- Western Blot Troubleshooting
- Western Blot Troubleshooting Guide
- View all Protocols, Troubleshooting, Illustrated assays and Webinars