AR antagonist 1 (compound 29) hydrochloride is a potent androgen receptor (AR) antagonist and binds to E3 ligase ligands with weak binding affinities to VHL protein in the synthesis of PROTAC ARD-266 (HY-133020)[1].
Cyprodinil is an anilinopyrimidine broad-spectrum fungicide that inhibits the biosynthesis of methionine in phytopathogenic fungi. Cyprodinil inhibits mycelial cell growth of B. cinerea, P. herpotrichoides, and H. oryzae on amino acid-free media (IC50s=0.44, 4.8, and 0.03 µM, respectively). Cyprodinil acts as an androgen receptor (AR) agonist (EC50=1.91 µM) in the absence of the AR agonist DHT and inhibits the androgenic effect of DHT (IC50=15.1 µM).
Adrenocorticotropic hormone (ACTH) is a polypeptide tropic hormone produced by the anterior pituitary gland. Adrenocorticotropic hormone regulates cortisol and androgen production[1][2].
Andarine (S-4) is an investigational selective androgen receptor modulator (SARM) and an active partial agonist.
ODM-204 is novel nonsteroidal dual inhibitor of both androgen receptor and CYP17A1 enzyme, with IC50s of 80 nM and 22 nM, respectively.
Bicalutamide is a non-steroidal androgen receptor inhibitor.
A031 is a highly effective PROTAC androgen receptor (AR) degrader with an IC50 value less than 0.25 μM for AR protein degradation. A031 has an inhibitory effect on tumor growth in zebrafish with human prostate cancer (VCaP)[1].
ARD-61 is a highly potent, effective and specific PROTAC androgen receptor (AR) degrader. ARD-61 potently and effectively induces AR and progesterone receptors (PR) degradation in AR+ cancer cell lines. ARD-61 induces apoptosis and effectively induces tumor growth inhibition in the MDA-MB-453 xenograft model in mice[1].
Ralaniten triacetate (EPI-506), the pro-drug of Ralaniten, is a first-in-class, orally active androgen receptor (AR) N-terminal domain (NTD) inhibitor. Ralaniten triacetate shows activity against both full length and resistance-related AR species, including AR-v7[1][2].
Androgen receptor antagonist 7 is an effective androgen receptor (AR) antagonist with an IC50 value of 1.18 µM. Androgen receptor antagonist 7 has biological activity in vitro and inhibits the expression of AR target in a time and dose dependent manner with an GI50 value of 7.9 µM [1].
Androgen receptor degrader-3 is an androgen receptor degrader. Androgen receptor degrader-3 blocks the process of androgen receptor transduction and also degrades the receptor itself. Androgen receptor degrader-3 can be used for prostate cancer research[1].
Bromopropylate is a pesticide with moderate anti-androgenic activities[1].
Androgen receptor modulators 1 is a selective androgen receptor modulator (SARM). Androgen receptor modulators 1 has strong agonistic activities with an EC50 of 4.7 nM[1].
PROTAC AR-V7 degrader-2 is an AR-based PROTAC. PROTAC AR-V7 degrader-2 inhibits CaP cellular proliferation by degrading AR-V7 and AR-FL. PROTAC AR-V7 degrader-2 induces apoptosis[1].
p,p'-DDE (4,4'-DDE), a major metabolite of persistent dichlorodiphenyltrichloroethane (DDT), is a potent androgen receptor antagonist, with an IC50 of 5 μM and a Ki of 3.5 μM[1].
DHEA is one of the most abundant steroid hormones. DHEA mediates its action via multiple signaling pathways involving specific membrane receptors and via transformation into androgen and estrogen derivatives (e.g., androgens, estrogens, 7α and 7β DHEA, and 7α and 7β epiandrosterone derivatives) acting through their specific receptors.
Cyproterone acetate-d3 is deuterium labeled Cyproterone acetate. Cyproterone acetate is an anti-androgen (IC50=7.1 nM) and progestogen synthetic steroid. Cyproterone acetate has affinity with progesteron and with glucocorticoidal receptors[1][2].
Honokiol DCA (Honokiol dichloroacetate) is a dichloroacetate analog of Honokiol. Honokiol DCA can inhibit the growth of human prostate cancer cells in vitro and suppress the androgen receptor (AR) protein level[1].
ARD-1676 is an orally available androgen receptor (AR) PROTAC degrader, consisting of AR ligand and cereblon ligand. ARD-1676 has AR-degrading activity in vitro and in vivo and inhibits VCaP tumor growth in mouse xenograft tumor models[1].
Leelamine hydrochloride is a tricyclic diterpene molecule that is extracted from the bark of pine trees[1]. Leelamine hydrochloride is a cannabinoid receptor type 1 (CB1) agonist and a inhibitor of SREBP1-regulated fatty acid/lipid synthesis in prostate cancer cells that is not affected by androgen receptor status. Leelamine hydrochloride suppresses transcriptional activity of androgen receptor, which is known to regulate fatty acid synthesis[2,3].
Androgen receptor antagonist 1 is an orally available full androgen receptor (AR) antagonist with an IC50 of 59 nM[1]. Androgen receptor antagonist 1 (Compound 6) can be used in the synthesis of PROTAC AR degraders, which results 24% and 47 % AR protein degradation in LNCaP cells at 1 μM and 10 μM, respectively[2].
VPC13163 is a potent androgen receptor (AR) BF3 inhibitor with an IC50 of 0.31 µM. VPC13163 has anticancer effects[1].
Epiandrosterone is a steroid hormone with weak androgenic activity. Epiandrosterone is naturally produced by the enzyme 5α-reductase from the adrenal hormone DHEA.
CSRM617 is a selective small-molecule inhibitor of the transcription factor ONECUT2 (OC2, a master regulator of androgen receptor) with a Kd of 7.43 uM in SPR assays, binding to OC2-HOX domain directly. CSRM617 induces apoptosis by appearance of cleaved Caspase-3 and PARP. CSRM617 is well tolerated in the prostate cancer mouse model[1]
RAD140 is a potent, orally bioavailable, nonsteroidal selective androgen receptor modulator (SARM). IC50 value: 7 nM (Ki, fot androgen receptor) [1]Target: androgen receptor in vitro: RAD140 demonstrates excellent affinity for the androgen receptor (Ki = 7 nM) as well as good selectivity over other steroid hormone nuclear receptors, with the closest off target receptor being the progesterone receptor (IC50 = 750 nM). [1] RAD140 is a novel SARM with high affinity and specificity for AR, is orally available, and exhibits potent anabolic effects in rodents and nonhuman primates.[2]in vivo: The stability of RAD140 is high (t1/2 > 2 h) in incubations with rat, monkey, and human microsomes, and it also had good bioavailability in rats and monkeys. [1] RAD140 is also neuroprotective using the rat kainate lesion model. RAD140 is shown to exhibit peripheral tissue-specific androgen action that largely spared prostate, neural efficacy by activation of androgenic gene regulation effects, and neuroprotection of hippocampal neurons against cell death caused by systemic administration of the excitotoxin kainate.[2]
EPI-001 is a selective inhibitor of Androgen Receptor (AR), and it can inhibit transactivation of the AR amino-terminal domain (NTD), with an IC50 of 6 μM. EPI-001 is also a selective modulator of PPARγ. EPI-001 exhibits anti-tumor activity in vitro and in vivo[1][2].
Boldenone undecylenate(Equipoise) is a synthetic steroid which has a similar effect as the natural steroid testosterone; it is frequently used in veterinary medicine, though it is also used in humans.IC50 Value: Target: The effects of this steroid are more subtle than that of many other steroids.in vitro: in vivo: Rabbits were injected intramuscularly twice weekly for two months. BOL had no significant effect on the bwt and bwt gain. Testes and epididymis weights were decreased significantly in the BOL-treated groups. BOL caused significant reduction in serum testosterone level, seminal volume, sperm motility, and sperm count [1].
PROTAC AR Degrader-4 comprises a cIAP1 ligand binding group, a linker and an androgen receptor (AR) binding group. PROTAC AR Degrader-4 is an AR degrader. Degradation inducers based on cIAP1 are called specific and non-genetic IAP-dependent protein erasers (SNIPERs)[1].
Acetyl-ACTH (3-24) (human, bovine, rat) is a fragment of proopiomelanocortin (POMC) peptide. POMC peptides such as adrenocorticotrophin (ACTH), which is the precursor of α-MSH, is also an agonist at the MC-1 receptor[1].
AZD3514 is a potent and oral androgen receptor downregulator with Ki of 2.2 μM and has ability of reducing AR protein expression.IC50 Value: 2.2 uM (Ki)Target: androgen receptorAZD3514 binds to the AR ligand binding domain and has selectivity for binding to AR over other nuclear hormone receptors [1]. in vitro: AZD3514 inhibits cell growth in prostate cancer cells expressing wild-type (VCaP) and mutated (T877A) AR (LNCaP), but is inactive in AR-negative prostate cancer cells, indicating a dependency on AR for efficacy [2]. in vivo: We assessed activity initially in the Hershberger castrated rat assay in which oral dosing of AZD3514 (100mg/kg once-daily for 7 days) significantly inhibited testosterone-induced growth of sexual accessory organs [2]. Clinical trial: Open-label Prostate Cancer Study. Phase 1