KIR2DL1/CD158a Antibody (4H3)

Novus Biologicals | Catalog # NBP3-48283

Recombinant Monoclonal Antibody
Novus Biologicals
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Key Product Details

Species Reactivity

Human

Applications

Flow Cytometry

Label

Unconjugated

Antibody Source

Recombinant Monoclonal Rabbit IgG Clone # 4H3
View all KIR2DL1/CD158a Primary Antibodies »

Product Specifications

Immunogen

KIR2DL1/CD158a recombinant protein expressed in mammalian cells (Accession# P43626). The exact amino acid sequence is proprietary.

Clonality

Monoclonal

Host

Rabbit

Isotype

IgG

Description

This product is shipped at ambient temperature. Store at -20C to -80C for 12 months in lyophilized form. After reconstitution, if not intended for use within a month, aliquot and store at -80C (Avoid repeated freezing and thawing).

Scientific Data Images for KIR2DL1/CD158a Antibody (4H3)

KIR2DL1/CD158a Antibody (4H3)

Flow Cytometry: KIR2DL1/CD158a Antibody (4H3) [NBP3-48283]

Flow cytometry analysis with 10ug/mL Anti-KIR2DL1 (4H3) mAb on HEK293 cells transfected with human KIR2DL1 (Blue histogram) or HEK293 transfected with irrelevant protein (Red histogram).

Applications for KIR2DL1/CD158a Antibody (4H3)

Application
Recommended Usage

Flow Cytometry

1:100

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Flow Cytometry

Formulation, Preparation, and Storage

Purification

Antigen Affinity-purified from cell culture supernatant

Reconstitution

Dissolve the lyophilized antibody in sterile and low endotoxin water. The recommend volume of water is lot specific. Please refer to the instructions printed on the product vial or contact technical support.

Formulation

PBS, pH 7.4, 5-8% Trehalose

Preservative

Trehalose

Concentration

LYOPH mg/ml

Shipping

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

Stability & Storage

Store at -20C in powder form. Store at -80C once reconstituted.

Calculators

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: KIR2DL1/CD158a

KIRDL2, also known as CD158a, belongs to the killer-cell immunoglobulin-like receptor (KIR) gene family expressed by natural killer (NK) cells and functions in inhibitory signaling (1,2). The KIR genes consisting of 15 gene loci and two pseudogenes are located on chromosome 19 and segregated into halptype A or B depending on gene composition (1). Human KIR2DL1 belongs to haplotype A and is synthesized as a protein of 348 amino acids (aa) in length with a theoretical molecular weight (MW) of 38.5 kDa (3). The KIR2DL1 protein consists of two extracellular immunoglobulin (Ig)-like C2 domains, a transmembrane domain, and a long cytoplasmic tail containing an immunoreceptor tyrosine-based inhibitory motif (ITIM) (1,3). KIR2DL1 binds human leukocyte antigen (HLA) alleles with the C2 supratype, resulting in an inhibitory immune response and suppression of NK cell activity to target cells (1,2). KIR2DL1 has been shown to be a potential clinical biomarker for diseases related to suppressed NK cell function (4). An increase in inhibitory receptors such as KIR2DL1/CD158a is observed in certain pathologies like endometriosis and multiple myeloma (4,5). Therapeutic inhibition of KIR2DL1 may be a potential treatment option for endometriosis patients (5). Additionally, blocking of KIR2DL1 combined with rituximab, and anti-CD20 monoclonal antibody, has shown increased NK cell cytotoxicity than just the antibody itself (5).

References

1. Debska-Zielkowska J, Moszkowska G, Zielinski M, et al. KIR Receptors as Key Regulators of NK Cells Activity in Health and Disease. Cells. 2021;10(7):1777. Published 2021 Jul 14. https://doi.org/10.3390/cells10071777

2. Goodson-Gregg FJ, Krepel SA, Anderson SK. Tuning of human NK cells by endogenous HLA-C expression. Immunogenetics. 2020;72(4):205-215. https://doi.org/10.1007/s00251-020-01161-x

3. Uniprotkb (P43626)

4. Konjevic G, Jurisic V, Jovic V, et al. Investigation of NK cell function and their modulation in different malignancies. Immunol Res. 2012;52(1-2):139-156. https://doi.org/10.1007/s12026-012-8285-7

5. Hoogstad-van Evert J, Paap R, Nap A, van der Molen R. The Promises of Natural Killer Cell Therapy in Endometriosis. Int J Mol Sci. 2022;23(10):5539. Published 2022 May 16. https://doi.org/10.3390/ijms23105539

Long Name

Killer Cell Immunoglobulin-like Receptor, Two Domain Long Cytoplasmic Tail, 1

Alternate Names

CD158a

Gene Symbol

KIR2DL1

Additional KIR2DL1/CD158a Products

Product Documents for KIR2DL1/CD158a Antibody (4H3)

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot or batch number in the search box below.

Product Specific Notices for KIR2DL1/CD158a Antibody (4H3)

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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