Leptin R was detected in perfusion fixed frozen sections of rat brain using 15 µg/mL Goat Anti-Mouse Leptin R Antigen Affinity-purified Polyclonal Antibody (Catalog # AF497) overnight at 4 °C. Tissue was stained with ...read more
Mouse myeloma cell line NS0-derived recombinant mouse Leptin R Ala20-Gly839 Accession # Q3US58
Specificity
Detects mouse Leptin R in direct ELISAs and Western blots. In direct ELISAs, approximately 30% cross-reactivity with recombinant human Leptin R is observed.
Source
N/A
Isotype
IgG
Clonality
Polyclonal
Host
Goat
Gene
LEPR
Purity
Immunogen affinity purified
Purity Statement
Antigen Affinity-purified
Innovator's Reward
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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.
Buffer
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.
Preservative
No Preservative
Concentration
LYOPH
Purity
Immunogen affinity purified
Reconstitution Instructions
Reconstitute at 0.2 mg/mL in sterile PBS.
Notes
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for Leptin R Antibody
B219
CD295 antigen
CD295
DB
DKFZp686B1731
huB219
LEPR
LEP-R
Leptin R
leptin receptor
LeptinR
OB R
OB receptor
OB-R
OBRCD295
Background
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. Circulating soluble OB-R, complexed to leptin, has been detected in mouse serum. Serum soluble OB-R levels have been shown to increase during pregnancy. 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 recently 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.
Mouse OB-R long form encodes a 1162 amino acid (aa) residue precursor protein with a 22 aa residue signal peptide, an 817 aa residue extracellular domain, a 21 aa residue transmembrane domain, and a 302 aa residue cytoplasmic domain. The extracellular domain of OB-R contains two hemopoietin receptor domains, a fibronectin type III domain and the WSXWS domain. Recombinant murine soluble OB-R has been shown to bind leptin with high affinity and is a potent leptin antagonist.
Tartaglia, L.A. et al. (1995) Cell 83:1263.
Cioffi, J.A. et al. (1996) Nature Medicine 2:585.
Lee, J.I. and J.M. Friedman (1996) Nature 379:632.
Tartaglia, L.A. (1997) J. Biol. Chem. 272:6093.
Gavrilova, O. et al. (1997) J. Biol. Chem. 272:30546.
Limitations
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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PRODUCT AVAILABILITY: Update Regarding the Evolving COVID-19 Situation
Bio-Techne appreciates the critical role that you and our products and services play in research efforts to further scientific innovation and discovery. We are continually assessing our manufacturing and supplier capabilities during the COVID-19 situation and are implementing precautionary measures to ensure uninterrupted supply of products and services. Currently, and as we abide by local shelter in place orders across the world, we are fully operational and do not anticipate any material supply disruptions across our Bio-Techne brands and product lines. As the situation evolves, our goal is to utilize preventive measures to reduce the threat that COVID-19 poses to our ability to meet the needs of our customers globally.