ASC-J9

Short Summary : AR degradation enhancer,antiumor agent

Category : Endocrinology and Hormones|Androgen Receptor

Purity : 0.98

CAS Number : 52328-98-0

Formula : C23H24O6

Molecular Weight : 396.43

SMILE : COC1=C(C=C(C=C1)C=CC(=CC(=O)C=CC2=CC(=C(C=C2)OC)OC)O)OC

Solubility : >16.65mg/mL in DMSO

Storage : Store at -20°C

Description : ASC-J9, is antitumor agent. ASC-J9 suppresses castration-resistant prostate cancer growth via degradation of full-length and splice variant androgen receptors targeting both fAR- and AR3-mediated PCa growth by ASC-J9 may represent the novel therapeutic approach to suppress castration-resistant PCa. ASC-J9 ameliorates spinal and bulbar muscular atrophy phenotype via degradation of androgen receptor. The androgen receptor (AR) is a type of nuclear receptor that is activated by binding either of the androgenic hormones, testosterone, or dihydrotestosterone in the cytoplasm and then translocating into the nucleus. [1]The binding of an androgen to the androgen receptor(AR) results into a conformational change, in turn, which causes dissociation of HSP, transport from the cytosol into the cell nucleus, and dimerization. The AR dimer binds to a specific sequence of DNA known as HRE which can interact with other proteins in the nucleus, leading to up-regulation or down-regulation of specific gene transcription.[2] ASC-J9, the AR degradation enhancer, suppressed both macrophage migration and subsequent PCa cell invasion. Additionally, ASC-J9 can regulate pSTAT3-CCL2 signaling using two pathways: an AR-dependent pathway via inhibiting PIAS3 expression and an AR-independent pathway via direct inhibition of the STAT3 phosphorylation/activation through mouse model in vivo with orthotopically injected TRAMP-C1 cells. In conclusion,a new and better therapeutic strategies using ASC-J9 alone or a combinational therapy that simultaneously targets androgens/AR signaling and PIAS3-pSTAT3-CCL2 signaling to better battle PCa growth and metastasis at castration-resistant stage.[3] References:1. Lu NZ. et al. “International Union of Pharmacology. LXV. The pharmacology and classification of the nuclear receptor superfamily: glucocorticoid, mineralocorticoid, progesterone, and androgen receptors”. Pharmacol. Rev. 2006, 58 (4): 782C97. 2. Heemers HV, Tindall DJ. “Androgen receptor (AR) coregulators: a diversity of functions converging on and regulating the AR transcriptional complex”. Endocr. Rev. 2007, 28 (7): 778C808.3. Lin TH. et al. Anti-androgen receptor ASC-J9 versus anti-androgens MDV3100 (Enzalutamide) or Casodex (Bicalutamide) leads to opposite effects on prostate cancer metastasis via differential modulation of macrophage infiltration and STAT3-CCL2 signaling. Cell Death Dis. 2013,4:e764.

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