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Western blot analysis of LNCaP cells using a Phospho-Androgen Receptor pSer213+210 monoclonal antibody (Product # MA5-16221). LNCaP cells were serum-starved for 2 days. After serum starvation, cells were (A) left untreated, (B) treated with 100 ng/ml IGF-1 for 4h, or (C) incubated with 20 um LY294002 for 30 min prior to treatment with 100 ng/ml IGF-1 for 4 h.
|Tested species reactivity||Human, Primate|
|Host / Isotype||Mouse / IgG1, kappa|
|Immunogen||Synthetic peptide corresponding to amino acids 207-221 (GRAREAS*GAPTSSKD) of human androgen receptor, containing the serine 213 phosphorylation.|
|Contains||0.05% sodium azide|
|Storage Conditions||Store at 4°C short term. For long term storage, store at -20°C, avoiding freeze/thaw cycles.|
|Tested Applications||Dilution *|
|Immunohistochemistry (Paraffin) (IHC (P))||1:10-1:500|
|Western Blot (WB)||1-4 µg/ml|
* Suggested working dilutions are given as a guide only. It is recommended that the user titrate the product for use in their own experiment using appropriate negative and positive controls.
Suggested positive control: IGF-1 stimulated LNCaP.
The androgen receptor (AR) is an ~110 kDa androgen-dependent transcription factor that is a member of the steroid/nuclear receptor gene superfamily. The AR signaling pathway plays a key role in development and function of male reproductive organs, including the prostate and epididymis. AR also plays a role in nonreproductive organs, such as muscle, hair follicles, and brain. Abnormalities in the AR signaling pathway have been linked to a number of diseases, including prostate cancer, Kennedy's disease and male infertility. The PI3K/Akt signaling pathway plays an important role in regulating AR activity through phosphorylation of AR at Ser213/210 and Ser791/790. Growth factors or cytokines may induce phosphorylation of AR through the PI3K/Akt pathway. IGF-1 activates the phosphatidylinositol 3-kinase(PI3K)/AKT pathway in LNCap at high passage number and increases phosphorylation of of AR at Ser213/210 and Ser791/790. The western blot results also show that inhibition of the PI3K/Akt pathway by LY294002 prior to incubation with IGF-1 suppressed AR phosphorylation at Ser213/210. Activation of the PI3K/AKt pathway is thought to have a survival role in prostate cancer by protecting cells from apoptosis.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
AIS; androgen nuclear receptor variant 2; androgen receptor splice variant 4b; DHTR; dihydrotestosterone receptor; HUMARA; HYSP1; KD; NR3C4; nuclear receptor subfamily 3 group C member 4; RP11-383C12.1; SBMA; SMAX1; TFM
AIS; AR; AR8; DHTR; HUMARA; HYSP1; KD; NR3C4; SBMA; SMAX1; TFM