Androgen Receptor
Androgen receptor (AR), a zinc finger transcription factor belonging to the nuclear receptor superfamily, is activated by phosphorylation and dimerization upon ligand binding. This promotes nuclear localization and binding of AR to androgen response elements in androgen target genes. Research studies have shown that AR plays a crucial role in several stages of male development and the progression of prostate cancer.
The AR3 or AR-V7 isoform, which lacks the typical ligand binding domain, is created through the alternative splicing of cryptic exons. AR-V7 is frequently expressed in castration-resistant prostate cancer (CRPC) and while dependent on the activity of the full-length androgen receptor (AR-FL), AR-V7 can activate a completely distinct transcriptional program.
While enzalutamide and abiraterone have been beneficial in treating CRPC through the ligand binding domain of AR-FL, resistance in patients has been shown to be associated with AR-V7 detection in circulating tumor cells. Studies probing into mechanisms of overcoming this resistance are currently being explored and may help in stratifying patient populations for more personalized therapies.
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Figure: Androgen Receptor Signaling Pathway
Antibody Products
TargetCatalog#Product NameReactivityApplication
Androgen receptorAMRe21066Androgen Receptor Rabbit Monoclonal antibodyHuman,Mouse,RatWB,IHC,IF,IP,ELISA
AMRe87492Androgen Receptor(AR-V7 specific) (DGR11838) Rabbit mAbHumanWB, ICC/IF, FC
APS0635HRP-conjugated Polyclonal Goat Anti-Rabbit IgG(H+L) Secondary AntibodyRabbitELISA, WB, Dot blot
AMRe80004GAPDH (12R9) Rabbit Monoclonal AntibodyHuman,Mouse,Rat,Rabbit,Dog,MonkeyWB,ELISA
References
  • Li, J. and Al-Azzawi, F. (2009) Maturitas 63, 142-8.
  • Avila, D.M. et al. J Steroid Biochem Mol Biol 76, 135-42.
  • Montgomery, J.S. et al. (2001) J Pathol 195, 138-46.
  • Hu, R. et al. (2009) Cancer Res 69, 16-22.
  • Guo, Z. et al. (2009) Cancer Res 69, 2305-13.
  • Watson, P.A. et al. (2010) Proc Natl Acad Sci U S A 107, 16759-65.
  • Sun, S. et al. (2010) J Clin Invest 120, 2715-30.
  • Hu, R. et al. (2012) Cancer Res 72, 3457-62.
  • Scher, H.I. et al. (2012) N Engl J Med 367, 1187-97.
  • de Bono, J.S. et al. (2011) N Engl J Med 364, 1995-2005.
  • Ryan, C.J. et al. (2013) N Engl J Med 368, 138-48.
  • Antonarakis, E.S. et al. (2014) N Engl J Med 371, 1028-38.
  • Liu, C. et al. (2014) Clin Cancer Res 20, 3198-3210.
  • Sarwar, M. et al. (2016) Oncotarget 7, 63065-63081.
  • Ku, S.Y. et al. (2017) Science 355, 78-83.
  • Lonergan, P.E., Tindall, D.J. (2011) J Carcinog 10, 20.

Voisey 

Voisey is a technical support specialist at EnkiLife, proficient in immunology and cell biology. She is     committed to providing customers with professional and efficient technical support. Additionally, she  is involved in research on customers' fields of study and designs highly cost-effective solutions for them.