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Anti-LH Receptor (LHCGR) (extracellular) Antibody

Luteinizing hormone receptor, Lutropin-choriogonadotropic hormone receptor, LHCGR, LHR, LSH-R

Cat #: ALR-010
Alternative Name Luteinizing hormone receptor, Lutropin-choriogonadotropic hormone receptor, LHCGR, LHR, LSH-R
Lyophilized Powder yes
Type: Polyclonal
Host: Rabbit
Reactivity: h, r
May also work in: m*
  • Peptide ENELSGWDYDYGFC, corresponding to amino acid residues 327-340 of rat LHCGR (Accession P16235). Extracellular, N-terminus.
Accession (Uniprot) Number P16235
Gene ID 25477
Peptide confirmation Confirmed by amino acid analysis and mass spectrometry.
Homology Mouse - 13/14 amino acid residues identical; human - 12/14 amino acid residues identical.
RRID AB_2340988.
Purity Affinity purified on immobilized antigen.
Form Lyophilized powder. Reconstituted antibody contains phosphate buffered saline (PBS), pH 7.4, 1% BSA, 0.05% NaN3.
Isotype Rabbit IgG.
Storage before reconstitution The antibody ships as a lyophilized powder at room temperature. Upon arrival, it should be stored at -20°C.
Reconstitution 25 µl, 50 µl or 0.2 ml double distilled water (DDW), depending on the sample size.
Antibody concentration after reconstitution 0.8 mg/ml.
Storage after reconstitution The reconstituted solution can be stored at 4°C for up to 1 week. For longer periods, small aliquots should be stored at -20°C. Avoid multiple freezing and thawing. Centrifuge all antibody preparations before use (10000 x g 5 min).
Standard quality control of each lot Western blot analysis.
Applications: ic, if, lci, wb
May also work in: ifc*, ih*, ip*
Western blot
  • Western blot analysis of rat ovary lysate:
    Western blot analysis of rat ovary lysate:
    1. Anti-LH Receptor (LHCGR) (extracellular) Antibody (#ALR-010), (1:2000).
    2. Anti-LH Receptor (LHCGR) (extracellular) Antibody, preincubated with LH Receptor/LHCGR (extracellular) Blocking Peptide (#BLP-LR010).
Live cell imaging / Immunocytochemistry
  • Expression of LHR in human ovary cell line
    Expression of LHR in human ovary cell line
    Cell surface detection of LHR in intact living OVCAR3 cells. A. Extracellular staining of cells with Anti-LH Receptor (LHCGR) (extracellular) Antibody (#ALR-010), (1:25) followed by goat anti-rabbit-AlexaFluor-594 secondary antibody. B. Nuclear staining of cells using DAPI as the counterstain. C. Merged images of A and B.
  1. Dufau, M.L. et al. (1998) Annu. Rev. Physiol. 60, 461.
  2. Ji, T.H. et al. (1997) Recent Prog. Horm. Res. 52, 431.
  3. Ascoli, M. et al. (2002) Endocr. Rev. 23, 141.
  4. Rao, C.V. et al. (1996) J. Physiol. Pharmacol. 47, 41.
  5. Simoni, M. et al. (1997) Endocr. Rev. 18, 739.
Scientific background

The luteinizing hormone receptor (LHR) is a member of the subfamily of glycoprotein hormone receptors within the superfamily of G-protein coupled receptor (GPCR)/seven-transmembrane domain receptors1. The LH/CG receptor is comprised of two structurally and functionally distinct domains, extracellular N-terminal exodomain and membrane-embedded endodomain. These two domains can separately be expressed and processed, including folding. The exodomain alone has the high-affinity hormone binding site but is not capable of generating hormonal signal. In contrast, the endodomain alone has the site for receptor activation2.

For many years, LHR was thought to be localized strictly to gonadal cells. In the testes, the LHR is thought to be restricted to Leydig cells. In the ovary, expression of the LHR occurs in theca cells, interstitial cells, differentiated granulosa cells, and luteal cells3. There is increasing evidence that LHR may be present in extragonadal tissues such as:  uterus, female reproductive tract tissues, sperm, seminal vesicles, prostate, skin, breast cell lines, lactating mammary gland, adrenals, neural retina, neuroendocrine cells, and brain4.

Mutations in the LH receptor have a strong impact on the male phenotype. Activating mutations of the LH receptor leads to male-limited pseudoprecocious puberty, whereas inactivating mutations result in male pseudohermaphroditism5.

Application key:

CBE- Cell-based ELISA, FC- Flow cytometry, ICC- Immunocytochemistry, IE- Indirect ELISA, IF- Immunofluorescence, IFC- Indirect flow cytometry, IHC- Immunohistochemistry, IP- Immunoprecipitation, LCI- Live cell imaging, N- Neutralization, WB- Western blot

Species reactivity key:

H- Human, M- Mouse, R- Rat
Last update: 11/04/2021

Alomone Labs is pleased to offer a highly specific antibody directed against an extracellular epitope of the rat Luteinizing hormone receptor. Anti-LH Receptor (LHCGR) (extracellular) Antibody (#ALR-010) can be used in western blot and live cell imaging applications. It has been designed to recognize LHR from rat, mouse and human samples.

For research purposes only, not for human use
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