ar-v7

Ar-V7-IN-1 (compound 47) is a potent inhibitor of Ar-V7, a genetic mRNA splice variant of the androgen receptor (AR) associated with resistance to AR-targeted therapy in patients with desmoplasia-resistant prostate cancer (mCRPC).

PROTAC AR-V7 degrader-1 (Compound 6) is an orally bioavailable, potent, and selective degrader targeting the androgen receptor (AR) variant V7, achieving degradation with a DC50 of 0.32 µM by directing the VHL E3 ligase to the AR DNA-binding domain (DBD). It demonstrates efficacy in the 22Rv1 cell line expressing AR-V7, with an EC50 of 0.88 µM [1].

PROTAC AR/AR-V7 degrader-1 (27c) serves as a dual degrader targeting both AR and AR-V7, showcasing DC50 values of 2.67 and 2.64 μM for AR and AR-V7, respectively. It effectively induces apoptosis.

AR/AR-V7-IN-1 (Compound 20i) serves as an inhibitor of AR/ARV7, demonstrating an IC 50 of 172.85 nM. It effectively inhibits cell growth in the LNCaP and 22RV1 cell lines, with IC 50 values of 4.87 μM and 2.07 μM, respectively. Additionally, it shows potent tumor growth inhibition in a 22RV1 xenograft study. AR/AR-V7-IN-1 is useful in studies related to prostate cancer [1].

IPI-9119 is an orally active, selective, and irreversible FASN inhibitor (IC50 = 0.3 nM).

VPC-70063 (Thiourea, N-[3,5-bis(trifluoromethyl)phenyl]-N'-(phenylmethyl)-) is an inhibitor of c-Myc-MAX. VPC-70063 exhibits Myc-Max transcriptional activity inhibition of 106% with an IC50 of 8.9 μM and Myc-Max/UBE2C downstream pathway inhibition of 94%. VPC-70063 can be used for studies about anticancer.

Luxdegalutamide (ARV-766) is a novel, potent, and orally bioavailable proteolytic targeting chimera (PROTAC) protein degrader that degrades not only wild-type AR but also clinically relevant AR LBD mutants, including the most prevalent AR L702H, H875Y, and T878A mutations.

Gal-ARV-771 is a PROTAC prodrug, modified with galactose, based on ARV-771. It is activated in senescent cancer cells that express SA-β-Gal, thereby releasing ARV-771. Through the ubiquitin-proteasome pathway, Gal-ARV-771 induces selective degradation of the BRD4 protein in senescent cells and promotes apoptosis (apoptosis) of these cancer cells.

ARV-771 is an effective BET degrader based on PROTAC technology. The Kd for BRD2(1), BRD2(2), BRD3(1), BRD3(2), BRD4(1) and BRD4(2) are 34 and 4.7 respectively. , 8.3, 7.6, 9.6 and 7.6 nM.

OARV-771, a VHL-based BET degrader (PROTAC) featuring enhanced cell permeability, demonstrates DC50 values of 6 nM for Brd4, 1 nM for Brd2, and 4 nM for Brd3, respectively [1].

LX1, an anti-prostate cancer compound, specifically targets the androgen receptor (AR), AR variants, and the steroidogenic enzyme AKR1C3. It inhibits AKR1C3's enzymatic function, decreases the conversion of androstenedione to testosterone, and reduces the expression of both AR and AR-V7, subsequently downregulating their target genes. Additionally, LX1 is effective in overcoming tumor cell resistance to Enzalutamide, and when combined with Enzalutamide, it further suppresses tumor growth.

SC428 acts as an inhibitor of the androgen receptor (AR), specifically targeting the N-terminal domain of AR. This compound effectively diminishes the transactivation of various AR forms, including AR-V7, ARv567es, full-length AR (AR-FL), and its LBD mutants. Additionally, SC428 significantly inhibits AR-FL nuclear translocation, chromatin binding, and AR-regulated gene transcription under androgen stimulation. In vitro, SC428 suppresses the proliferation of tumor cells. In vivo, it inhibits tumor growth in mice transplanted with 22Rv1 cells by inducing apoptosis.

YT 6-2 is an autophagy-targeting ligand (ATL) aimed at p62/SQSTM1, used in the synthesis of AUTOTAC degrader ATC-324. ATC-324 induces the formation of AR/p62 complexes, leading to the autophagic-lysosomal degradation of AR. It reduces nuclear AR levels, downregulates the expression of AR and AR-v7 target genes, and also degrades common AR mutants in PCa.

YT 6-2-PEG3-C2-NH2 is a conjugate of the autophagy-targeting ligand (ATL) targeting p62/SQSTM1 and an AUTOTAC linker. It is used in the synthesis of the AUTOTAC degrader ATC-324 for the androgen receptor (AR). ATC-324 induces the formation of the AR/p62 complex, leading to autophagy-lysosomal degradation of AR. This action reduces nuclear AR levels and downregulates target gene expression of AR and AR-v7, effectively degrading common AR mutants found in prostate cancer (PCa).

YT 6-2 analog-1 (compound 2-3) serves as an autophagy-targeting ligand (ATL) aimed at p62/SQSTM1, useful in synthesizing the AUTOTAC degrader ATC-324 for the Androgen Receptor (AR). ATC-324 promotes the formation of AR/p62 complexes, leading to the autophagic-lysosomal degradation of AR. It effectively reduces nuclear AR levels, downregulates the expression of AR and AR-v7 target genes, and can degrade common AR mutants found in prostate cancer (PCa).

PROTAC AR Degrader-8 (Compound NP18) functions as a PROTAC degrader targeting the androgen receptor (AR) and effectively degrades AR-FL in both 22Rv1 and LNCaP cells with DC50 values of 0.018 μM and 0.14 μM, respectively. It also degrades AR-V7 in 22Rv1 cells with a DC50 of 0.026 μM. Additionally, PROTAC AR Degrader-8 inhibits the proliferation of 22Rv1 and LNCaP cancer cells, exhibiting IC50 values of 0.038 μM and 1.11 μM. It induces cell cycle arrest at the G2/M phase and triggers apoptosis in 22Rv1 cells (apoptosis). Demonstrating anticancer efficacy, PROTAC AR Degrader-8 shows activity in both mouse and zebrafish models. [Pink: ligand for target protein AR ligand-33; Black: linker; Blue: ligand for E3 ligase Cereblon]

VPC-80051 is an hnRNP A1 splicing activity inhibitor that directly interacts with the hnRNP A1 RBD and reduces AR-V7 messenger levels in the 22Rv1 CRPC cell line. VPC-80051 is applicable in prostate cancer research.

XYD049 (compound 7d) is a CRBN-type molecular glue targeting GSPT1, with a DC50 of 19 nM, used for researching MYC-driven castration-resistant prostate cancer (CRPC). It effectively inhibits the growth of 22Rv1 cells (IC50 = 7 nM) and exhibits antitumor efficacy in vivo. XYD049 downregulates CRPC-associated oncogenes in 22Rv1 cells, including AR, AR-v7, PSA, and c-Myc. XYD049 comprises a molecular glue linker (black part) NH2-C5-NH-Boc, a CRBN-type E3 ligase ligand (blue part) Thalidomide 4-fluoride, and a target protein ligand (red part) GSPT1 ligand-1, with the E3 ligase ligand + linker forming the conjugate E3 Ligase Ligand-linker Conjugate 158.

LO-4-25 is a covalent degrader targeting the androgen receptor (AR) and its splice variant AR-V7. It covalently binds to the E3 ubiquitin ligase CUL4 DCAF16, facilitating the ubiquitination of both AR and AR-V7, which are then recognized and degraded by the proteasome, leading to reduced protein levels of AR and AR-V7 in cells. LO-4-25 is promising for research on androgen-independent prostate cancer.

EN1441 is a covalent degrader that targets the androgen receptor (AR) with an EC50 value of 4.2 μM, as well as its truncated variant AR-V7. It selectively and effectively degrades AR and AR-V7 in androgen-independent prostate cancer cells. EN1441 holds potential for research into androgen-independent prostate cancer.

BWA-6047 is a dual AR/AR-V7 and GSPT1 PROTAC-type degrader (AR: DC50= 3.7 nM; AR-V7: DC50= 3.0 nM; GSPT1: DC50= 1.2 nM). It facilitates the ubiquitination and degradation of AR/AR-V7 and, through molecular glue properties, induces a PPI between GSPT1 and CRBN, leading to GSPT1 degradation. BWA-6047 is applicable in prostate cancer research.

5-Hydroxypentanoic acid is a PROTAC linker utilized in the synthesis of PROTAC AR-V7 degrader-1.

ATC-324 is a potent autophagy-targeting chimera (AUTOTAC) degrader of the androgen receptor (AR) with a DC50 of 2.05 µM. It induces autophagic-lysosomal degradation of AR, decreases nuclear AR and AR-V7 activity, and exhibits cytotoxic effects on AR-positive prostate cancer cells, making it useful for prostate cancer research.

BWA-522 middle-3 is an intermediate of BWA-522. BWA-522 is an orally active small molecule protein-targeting chimera (PROTAC) that significantly degrades both AR-FL and AR-V7.