CCR7 Antibody - BSA Free

Novus Biologicals | Catalog # NLS848

Novus Biologicals
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Key Product Details

Species Reactivity

Validated:

Human, Bat, Bovine, Equine, Monkey, Primate

Predicted:

Canine (94%), Hamster (94%), Mouse (94%), Rabbit (94%), Rat (94%). Backed by our 100% Guarantee.

Applications

Immunohistochemistry, Immunohistochemistry-Paraffin, Immunocytochemistry

Label

Unconjugated

Antibody Source

Polyclonal Rabbit IgG

Format

BSA Free
View all CCR7 Primary Antibodies »

Product Specifications

Immunogen

Synthetic 17 amino acid peptide from C-terminus of human CCR7.

Epitope

C-Terminus

Reactivity Notes

Predicted cross-reactivity based on sequence identity: Gorilla (100%), Gibbon (100%), Marmoset (100%), Turkey (88%), Chicken (88%), Zebrafish (88%), Opossum (82%), Xenopus (82%).

Specificity

Human CCR7. BLAST analysis of the peptide immunogen showed no homology with other human proteins, except CXCR5 (65%).

Clonality

Polyclonal

Host

Rabbit

Isotype

IgG

Description

Product can be stored undiluted at 4C for up to 1 month.

Scientific Data Images for CCR7 Antibody - BSA Free

Immunohistochemistry-Paraffin: CCR7 Antibody - BSA Free [NLS848]

Immunohistochemistry-Paraffin: CCR7 Antibody - BSA Free [NLS848]

Immunohistochemistry-Paraffin: CCR7 Antibody [NLS848] - Analysis of anti-CCR7 antibody with transfected cells expressing CCR7 at 14 ug/ ml.
Immunohistochemistry-Paraffin: CCR7 Antibody - BSA Free [NLS848]

Immunohistochemistry-Paraffin: CCR7 Antibody - BSA Free [NLS848]

Immunohistochemistry-Paraffin: CCR7 Antibody [NLS848] - Analysis of anti-CCR7 antibody with transfection control at 14 ug/ml.
Immunohistochemistry-Paraffin: CCR7 Antibody - BSA Free [NLS848]

Immunohistochemistry-Paraffin: CCR7 Antibody - BSA Free [NLS848]

Immunohistochemistry-Paraffin: CCR7 Antibody [NLS848] - Analysis of anti-CCR7 antibody with human tonsil at dilution: 14 ug/ml
Immunohistochemistry-Paraffin: CCR7 Antibody - BSA Free [NLS848]

Immunohistochemistry-Paraffin: CCR7 Antibody - BSA Free [NLS848]

Immunohistochemistry-Paraffin: CCR7 Antibody [NLS848] - Analysis of anti-CCR7 antibody with human spleen at dilution 14 ug/ml.

Applications for CCR7 Antibody - BSA Free

Application
Recommended Usage

Immunocytochemistry

14 ug/ml

Immunohistochemistry-Paraffin

14 ug/ml
Application Notes
.

Formulation, Preparation, and Storage

Purification

Immunogen affinity purified

Formulation

PBS

Format

BSA Free

Preservative

0.1% Sodium Azide

Concentration

1.0 mg/ml

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Keep as concentrated solution. Aliquot and store at -20C or below. Avoid multiple freeze-thaw cycles.

Background: CCR7

Chemokine receptor 7 (CCR7) is a G-protein coupled receptor (GPCR) that binds chemokine ligand 19 (CCL19) and chemokine ligand 21 (CCL21) and, together, this receptor-ligand interaction functions in inflammatory and adaptive immune response (1,2). The CCR7 protein contains 7-transmembrane spanning alpha helices and is 378 amino acids (aa) in length, with a theoretical molecular weight of 42.8 kDa (3,4). CCR7 is expressed on several cells within the immune system, including naive T cells, central memory T cells, regulatory T cells, naive B cells, a subset of double negative and single positive thymocytes, and mature dendritic cells (DCs) (1, 3).

The primary role of the CCR7/CCL19/CCL21 chemokine signaling axis is homing T cells and DCs to lymph nodes and lymphoid tissues to initiate an immune response (1,2,5,6). In the context of cancer, the CCR7 signaling axis appears to have two opposing roles (2). Downregulation of CCR7 on CD8+ T cells contributes to effector cell migration and anti-cancer activities via cytotoxic tumor-infiltrating lymphocytes (2). However, upregulation of CCR7 by cancer cells can result in cancer cell migration and metastasis (2). Overexpression of CCR7 has been implicated in a variety of cancers including breast, cervical, gastric, head and neck cell carcinoma, and prostate (1,2,7). Studies in breast cancer have found that hypoxia increases CCR7 expression, and this activation can affect cancer cell invasion, extravasation, proliferation, angiogenesis, and metastasis through induction of multiple signaling transduction pathways such as PI3K/AKT, MAPK, and JAK/STAT (5,7).

Given its important role in inflammation and immune response, several strategies have been employed to target the CCR7 signaling axis for cancer immunotherapy (2). Some cancer immunotherapies under investigation include intra-tumoral administration of CCL19 and CCL21, introduction of patient-derived cells transfected to express CCR7 or its ligands, and vaccines (2). Further interrogation of CCR7/CCL19/CCL21 signaling axis is required to develop better therapeutic strategies for cancer treatment.

References:

1. Comerford, I., Harata-Lee, Y., Bunting, M. D., Gregor, C., Kara, E. E., & McColl, S. R. (2013). A myriad of functions and complex regulation of the CCR7/CCL19/CCL21 chemokine axis in the adaptive immune system. Cytokine & growth factor reviews, 24(3), 269-283. https://doi.org/10.1016/j.cytogfr.2013.03.001

2. Salem, A., Alotaibi, M., Mroueh, R., Basheer, H. A., & Afarinkia, K. (2021). CCR7 as a therapeutic target in Cancer. Biochimica et biophysica acta. Reviews on cancer, 1875(1), 188499. https://doi.org/10.1016/j.bbcan.2020.188499

3. Yan, Y., Chen, R., Wang, X., Hu, K., Huang, L., Lu, M., & Hu, Q. (2019). CCL19 and CCR7 Expression, Signaling Pathways, and Adjuvant Functions in Viral Infection and Prevention. Frontiers in cell and developmental biology, 7, 212. https://doi.org/10.3389/fcell.2019.00212

4. Uniprot (P32248)

5. Korbecki, J., Grochans, S., Gutowska, I., Barczak, K., & Baranowska-Bosiacka, I. (2020). CC Chemokines in a Tumor: A Review of Pro-Cancer and Anti-Cancer Properties of Receptors CCR5, CCR6, CCR7, CCR8, CCR9, and CCR10 Ligands. International journal of molecular sciences, 21(20), 7619. https://doi.org/10.3390/ijms21207619

6. Sanchez-Sanchez, N., Riol-Blanco, L., & Rodriguez-Fernandez, J. L. (2006). The multiple personalities of the chemokine receptor CCR7 in dendritic cells. Journal of immunology (Baltimore, Md. : 1950), 176(9), 5153-5159. https://doi.org/10.4049/jimmunol.176.9.5153

7. Rizeq, B., & Malki, M. I. (2020). The Role of CCL21/CCR7 Chemokine Axis in Breast Cancer Progression. Cancers, 12(4), 1036. https://doi.org/10.3390/cancers12041036

Alternate Names

BLR2, CC-CKR-7, CCR7, CD197, CDw197, CMKBR7, EBI1

Entrez Gene IDs

1236 (Human)

Gene Symbol

CCR7

UniProt

P32248

Additional CCR7 Products

Product Documents for CCR7 Antibody - BSA Free

Certificate of Analysis

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Product Specific Notices for CCR7 Antibody - BSA Free

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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Protocols

View specific protocols for CCR7 Antibody - BSA Free (NLS848):

Immunohistochemistry Protocol for CCR7 Antibody (NLS848):
Immunohistochemistry

1. Prepare tissue with formalin fixation and by embedding it in paraffin wax.
2. Make 4 um sections and place on pre-cleaned and charged microscope slides.
3. Heat in a tissue-drying oven for 45 minutes @ 60 degrees Celcius.
4. Deparaffinize the tissues by wash drying the slides in 3 changes of xylene for 5 minutes each @ RT.
5. Rehydrate the tissues by washing the slides in 3 changes of 100% alcohol for 3 minutes each @ RT.
6. Wash the slides in 2 changes of 95% alcohol for 3 minutes each @ RT.
7. Wash the slides in 1 change of 80% alcohol for 3 minutes @ RT.
8. Rinse the slides in gentle running distilled water for 5 minutes @ RT.
9. Perform antigen retrieval by steaming the slides in 0.01M sodium citrate buffer (pH 6.0) @ 99-100 degrees Celcius
for 20 minutes.
10. Remove the slides from the heat and let stand in buffer @ RT for 20 minutes.
11. Rinse the slides in 1X TBS-T for 1 minute @ RT.

**Do not allow the tissues to dry at any time during the staining procedure**

12. Begin the immunostaining by applying a universal protein block for 20 minutes @ RT.
13. Drain protein block from the slides and apply the diluted primary antibody for 45 minutes @ RT.
14. Rinse the slide in 1X TBS-T for 1 minute @ RT.
15. Apply a biotinylated anti-rabbit IgG (H+L) secondary for 30 minutes @ RT.
16. Rinse the slide in 1X TBS-T for 1 minute @ RT.
17. Apply an alkaline phosphatase steptavidin for 30 minutes @ RT.
18. Rinse the slide in 1X TBS-T for 1 minute @ RT.
19. Apply an alkaline phosphatase chromagen substrate for 30 minutes @ RT.
20. Rinse the slide in distilled water for 1 minute @ RT.

**This method should only be used if the chromagen substrate is alcohol insoluble (ie: Vector Red, DAB)**

21. Dehydrate the tissue by washing the slides in 2 changes of 80% alcohol for 1 minute each @ RT.
22. Wash the slides in 2 changes of 95% alcohol for 1 minute each @ RT.
23. Wash the slides in 3 changes of 100% alcohol for 1 minute each @ RT.
24. Wash the slides in 3 changes of xylene for 1 minute each @ RT.
25. Apply cover slip.

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FAQs

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