Human Leptin R Antibody

Catalog # Availability Size / Price Qty
MAB867-SP
MAB867-100
MAB867-500
Human Leptin R Antibody in Data
2 Images
Product Details
Citations (4)
FAQs
Supplemental Products
Reviews

Human Leptin R Antibody Summary

Species Reactivity
Human
Specificity
Detects human Leptin R in direct ELISAs and Western blots. In Western blots, cross reactivity with recombinant mouse Leptin R is observed.
Source
Monoclonal Mouse IgG2B Clone # 52263
Purification
Protein A or G purified from ascites
Immunogen
Mouse myeloma cell line NS0-derived recombinant human Leptin R
Phe22-Asp839 (predicted)
Accession # P48357
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
Label
Unconjugated

Applications

Recommended Concentration
Sample
Western Blot
1 µg/mL
See below
Flow Cytometry
2.5 µg/106 cells
See below
Immunohistochemistry
8-25 µg/mL
Immersion fixed paraffin-embedded sections of human brain (cortex and hippocampus)
CyTOF-ready
Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.
 

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Data Examples

Western Blot Detection of Recombinant Human Leptin R antibody by Western Blot. View Larger

Detection of Recombinant Human Leptin R by Western Blot. Western blot shows 25 ng of Recombinant Human Leptin R Fc Chimera (Catalog # 389-LR) and Recombinant Mouse Leptin R Fc Chimera (Catalog # 497-LR). PVDF Membrane was probed with 1 µg/mL of Mouse Anti-Human Leptin R Monoclonal Antibody (Catalog # MAB867) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF007). A specific band was detected for Leptin R at approximately 155-200 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 3.

Flow Cytometry Detection of Leptin R antibody in Human Monocytes antibody by Flow Cytometry. View Larger

Detection of Leptin R in Human Monocytes by Flow Cytometry. Human whole blood monocytes were stained with Human Leptin R Monoclonal Antibody (Catalog # MAB867, filled histogram) or isotype control antibody (Catalog # MAB0041, open histogram), followed by Phycoerythrin-conjugated Anti-Mouse IgG F(ab')2Secondary Antibody (Catalog # F0102B).

Reconstitution Calculator

Reconstitution Calculator

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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Preparation and Storage

Reconstitution
Reconstitute at 0.5 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Availability
Size / Price
Qty
RB01
Shipping
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 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.

Background: Leptin R

Leptin receptor (OB-R), also named B219, is a type I cytokine receptor family protein with significant amino acid sequence identity with gp130, G-CSF receptor, and the LIF receptor. Multiple isoforms of human and mouse OB-R, including a long form (OB-RL) with a large cytoplasmic domain capable of signal-transduction, and several receptor isoforms with short cytoplasmic domains (OB-Rs) lacking signal-transducing capabilities, have been identified. The extracellular domains of the short and long forms of OB-R are identical. An OB-R transcript, lacking a transmembrane domain and potentially encoding a soluble form of the receptor, has also been described. OB-RL transcripts were reported to be expressed predominantly in regions of the hypothalamus previously thought to be important in body weight regulation. Expression of OB-Rs transcripts have been found in multiple tissues, including the choroid plexus, lung, kidney, and primitive hematopoietic cell populations. OB-R has been shown to be encoded by the mouse diabetes (db) and rat fatty (fa) genes. Rodents homozygous for the db or fa mutations have been known to exhibit an obesity phenotype. Human OB-R long form encodes a 1165 amino acid (aa) precursor protein with a 22 aa signal peptide, an 819 aa extracellular domain, a 21 aa transmembrane domain and a 303 aa cytoplasmic domain. The extracellular domain of OB-R contain two hemopoietin receptor domains, a fibronectin type III domain and the WSXWS domain. Recombinant soluble OB-R has been shown to bind Leptin with high affinity and is a potent Leptin antagonist.

References
  1. Tartaglia, L.A. et al. (1995) Cell 83:1263.
  2. Cioffi, J.A. et al. (1996) Nature Medicine 2:585.
  3. Tartaglia, L.A. (1997) J. Biol. Chem. 272:6093.
Long Name
Leptin Receptor
Entrez Gene IDs
3953 (Human); 16847 (Mouse)
Alternate Names
B219; CD295 antigen; CD295; DB; DKFZp686B1731; huB219; LEPR; LEP-R; Leptin R; leptin receptor; LeptinR; OB R; OB receptor; OB-R; OBRCD295

Product Datasheets

Citations for Human Leptin R Antibody

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

4 Citations: Showing 1 - 4
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  1. Leptin enhances cytokine/chemokine production by normal lung fibroblasts by binding to leptin receptor
    Authors: K Watanabe, M Suzukawa, S Arakawa, K Kobayashi, S Igarashi, H Tashimo, H Nagai, S Tohma, T Nagase, K Ohta
    Allergol Int, 2019;0(0):.
    Species: Human
    Sample Types: Whole Cells
    Applications: Flow Cytometry
  2. Normal leptin expression, lower adipogenic ability, decreased leptin receptor and hyposensitivity to Leptin in Adolescent Idiopathic Scoliosis.
    Authors: Liang G, Gao W, Liang A
    PLoS ONE, 2012;7(5):e36648.
    Species: Human
    Sample Types: Cell Lysates
    Applications: Western Blot
  3. Leptin modulates ACAT1 expression and cholesterol efflux from human macrophages.
    Authors: Hongo S, Watanabe T, Arita S
    Am. J. Physiol. Endocrinol. Metab., 2009;297(2):E474-82.
    Species: Human
    Sample Types: Cell Lysates
    Applications: Western Blot
  4. The association of gastric leptin with oesophageal inflammation and metaplasia.
    Authors: Francois F, Roper J, Goodman AJ, Pei Z, Ghumman M, Mourad M, de Perez AZ, Perez-Perez GI, Tseng CH, Blaser MJ
    Gut, 2007;57(1):16-24.
    Species: Human
    Sample Types: Whole Tissue
    Applications: IHC-P

FAQs

  1. Does this Human Leptin R antibody detect the long form (ObRb) of Leptin R?

    • The immunogen sequence that this antibody was raised against corresponds to the extracellular domain of Leptin R. Because the extracellular domains of the long form and other isoforms of the receptor are identical, we expect that the antibody will detect all forms.

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Cell and Tissue Staining Kits

Immunohistochemistry Reagents

Isotype Controls

Reconstitution Buffers

Secondary Antibodies

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