Polyclonal Anti-ER beta

Rabbit IgG polyclonal antibody for Estrogen receptor beta (ESR2) detection. Tested with WB in Human. \n

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SPECIFICATIONS

Price

200.00 USD

Catalog Number

PA1126

Size

100ug/vial

Applications

WB

Reactivities

Hum

Form

Lyophilized

Format

Each vial contains 5mg BSA, 0.9mg NaCl, 0.2mg Na2HPO4, 0.05mg Thimerosal, 0.05mg NaN3.

Gene Id

ESR2

References

1. Enmark, E.; Pelto-Huikko, M.; Grandien, K.; Lagercrantz, S.; Lagercrantz, J.; Fried, G.; Nordenskjold, M.; Gustafsson, J.-A. : Human estrogen receptor beta-gene structure, chromosomal localization, and expression pattern. J. Clin. Endocr. Metab. 82: 4258-4265, 1997. \n2. Mosselman, S.; Polman, J.; Dijkema, R. : ER-beta: identification and characterization of a novel human estrogen receptor. FEBS Lett. 392: 49-53, 1996. \n3. Kuiper, G. G. J. M.; Enmark, E.; Pelto-Huikko, M.; Nilsson, S.; Gustafsson, J.-A. : Cloning of a novel estrogen receptor expressed in rat prostate and ovary. Proc. Nat. Acad. Sci. 93: 5925-5930, 1996. \n4. Chaidarun, S. S.; Swearingen, B.; Alexander, J. M. : Differential expression of estrogen receptor-beta (ER-beta) in human pituitary tumors: functional interactions with ER-alpha and a tumor-specific splice variant. J. Clin. Endocr. Metab. 83: 3308-3315, 1998.

Swiss Prot

Q92731

Storage Temp

\"At -20 degree C for one year. After reconstitution, at 4 degree C for one month. It can also be aliquotted and stored frozen at -20 degree C for a longer time.\nAvoid repeated freezing and thawing. \n\"\n

Additional Info

A synthetic peptide corresponding to a sequence at the N-terminal of human ERbeta, different from the related rat and mouse sequences by four amino acids.

Scientific Background

Estrogen receptor-beta, referred to as ESR2, is a member of the superfamily of nuclear receptors, which can transduce extracellular signals into transcriptional responses. This gene is mapped to 14q and comprises 8 exons spanning approximately 40 kb. ESR2 is expressed in multiple tissues, including developing spermatids of the testis and in ovarian granulosa cells1. ESR-beta is homologous to the previously identified ESR-alpha and has an overlapping but nonidentical tissue distribution. The DNA-binding domain of ESR-beta is 96% conserved compared to ESR, and the ligand-binding domain shows 58% conserved residues. ESR-beta is expressed in human thymus, spleen, ovary, and testis2. Rat ESR-beta is expressed in rat prostate and ovary and is homologous to rat ESR (95% conserved DNA-binding domain; 55% conserved ligand-binding domain)3. ESR2 mRNA was coexpressed with ESR1 and its splice variants in 60% of prolactinomas, 100% of mixed growth hormone /prolactin tumors, and 29% of gonadotroph tumors. ESR2 gene expression was not limited to ESR1-positive tumor subtypes, however, and was also found in 100% of null cell tumors, 80% of somatotroph tumors, and 60% of corticotroph tumors4.