| Identification | Back Directory | [Name]
L-Phenylalanine, 4-[bis(2-chloroethyl)oxidoaMino]-, (Hydrochloride) (1:2) | [CAS]
685898-44-6 | [Synonyms]
CS-1467
PX478 2HCl
PX-478 HCl
PX 478
DISCONTINUED
PX-478 dihydrochloride
4-[Bis(2-chloroethyl)oxidoamino]-L-phenylalanine dihydrochloride
4-[bis(2-chloroethyl)oxidoamino]-L-phenylalanine,hydrochloride (1:2)
L-Phenylalanine, 4-[bis(2-chloroethyl)oxidoaMino]-, (Hydrochloride) (1
Phenylalanine, 4-[bis(2-chloroethyl)oxidoaMino]-, (Hydrochloride) (1:2)
L-Phenylalanine, 4-[bis(2-chloroethyl)oxidoaMino]-, (Hydrochloride) (1:2)
(S)-4-(2-Amino-2-carboxyethyl)-N,N-bis(2-chloroethyl)aniline oxide dihydrochloride
(S)-4-(2-Amino-2-carboxyethyl)-N,N-bis(2-chloroethyl)cyclohexa-1,3-dienamine oxide dihydrochloride
PX-478; L-PHENYLALANINE; 4-[BIS(2-CHLOROETHYL)OXIDOAMINO]-; DIHYDROCHLORIDE; L-PHENYLALANINE; 4-[BIS(2-CHLOROETHYL)OXIDOAMINO]-; HYDROCHLORIDE (1:2). | [Molecular Formula]
C13H20Cl4N2O3 | [MDL Number]
MFCD11840749 | [MOL File]
685898-44-6.mol | [Molecular Weight]
394.13 |
| Chemical Properties | Back Directory | [storage temp. ]
Keep in dark place,Inert atmosphere,Store in freezer, under -20°C | [solubility ]
≥19.7 mg/mL in DMSO; ≥50 mg/mL in H2O; ≥8.42 mg/mL in EtOH | [form ]
Powder | [color ]
Off-white to yellow | [CAS DataBase Reference]
685898-44-6 |
| Hazard Information | Back Directory | [Uses]
PX 478 is a HIF-1α inhibitor that may be used in cancer therapy for treatment of solid tumors. PX478 has also been shown to suppress high-fat-diet (HFD)-induced HIFα activation in adipose tissue in mice and therefore may be used to ameliorate adipose tissue dysfunction. | [Biological Activity]
px-478 2hcl, also called px-478, is an experimental hif-1α inhibitor. it inhibited hif-1α protein at multiple levels in cancer cell lines under normoxia and hypoxia with an ic50 value of ~20-30 μm [1].hypoxia-inducible transcription factor hif-1α activates target genes involved in glycolysis, erythropoiesis and angiogenesis. hif-1α also regulates the expression of genes coding for apoptotic pathway, growth factors/receptors, cell cycle regulators, metastasis and invasiveness [1].under normoxic condition, the ic50 for px-478 to inhibit hif-1α in pc3 cells was 20-25 μmol/l, whereas the ic50 for px-478 to inhibit hif-1α in the du 145 cells was ~40-50 μmol/l. in both du 145 and pc3 cells, 1-hr hypoxia significantly upregulated hif-1α protein. but the pretreatment with px-478 for 20 hr under normoxia before 1-hr hypoxia attenuated the accumulation of hif-1α induced by the 1-hr hypoxia. in pc3 cells, pretreatment with 20 μmol/l px-478 before hypoxia inhibited hif-1α by 40% compared to treatment with hypoxia alone. in du 145 cells, pretreatment with 50 μmol/l px-478 before hypoxia inhibited hif-1α by 35% compared to treatment with hypoxia alone [1].in nu/nu mice with c6 reporter xenografts, treatment with px-478 at a dose of 30 mg/kg p.o. for 2 consecutive days prevented the transcriptional activity of hif-1 in central ischemic regions of c6 tumors [2]. | [storage]
Store at -20°C, stored under nitrogen, away from moisture | [References]
[1]. palayoor st, mitchell jb, cerna d, et al. px-478, an inhibitor of hypoxia-inducible factor-1α, enhances radiosensitivity of prostate carcinoma cells. international journal of cancer, 2008, 123(10): 2430-2437.
[2]. schwartz dl, powis g, thitai-kumar a, et al. the selective hypoxia inducible factor-1 inhibitor px-478 provides in vivo radiosensitization through tumor stromal effects. molecular cancer therapeutics, 2009, 8(4): 947-958. |
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