endast för forskning

Vadimezan (DMXAA) Vaskulärt störande medel

Kat.nr.: S1537

Vadimezan (DMXAA) är ett vaskulärt störande medel (VDA) och en kompetitiv hämmare av DT-diaforas med ett Ki på 20 μM och ett IC50 på 62,5 μM i cellfria analyser, respektive. Det är också en STING-agonist med potentiell antineoplastisk aktivitet, som potent inducerar IFN-β men relativt lågt TNF-α-uttryck in vitro. Denna förening har antiviral aktivitet. Fas 3.
Vadimezan (DMXAA) VDA Kemisk Chemical Structure

Kemisk struktur

Molekylvikt: 282.29

Hoppa till

Kvalitetskontroll (Quality Control)

Batch: Renhet: 99.94%
99.94

Cellodling, behandling & arbetskoncentration
(Cell Culture, Treatment & Working Concentration)

Cellinjer Analystyp Koncentration Inkubationstid Formulering Aktivitetsbeskrivning PMID
human BJ cells Cytotoxic assay 24 h Cytotoxicity against human BJ cells after 24 hrs by MTT assay, CC50=48.9 μM 24518295
HECPP cells Function assay 10 ug/mL Activation of NF-kappaB in HECPP cells at 10 ug/mL 17616114
MCF7 Antiproliferative assay 24 hrs Antiproliferative activity against human MCF7 cells co-treated with pyranoxanthone at 1:1 molar ratio after 24 hrs by MTT assay, IC50 = 11.89 μM. 29129511
MDA-MB-231 Antiproliferative assay 24 hrs Antiproliferative activity against human MDA-MB-231 cells co-treated with pyranoxanthone at 1:1 molar ratio after 24 hrs by MTT assay, IC50 = 12.12 μM. 29129511
K562 Antiproliferative assay 24 hrs Antiproliferative activity against human K562 cells co-treated with pyranoxanthone at 1:1 molar ratio after 24 hrs by MTT assay, IC50 = 19.14 μM. 29129511
HepG2 Antiproliferative assay 24 hrs Antiproliferative activity against human HepG2 cells co-treated with pyranoxanthone at 1:1 molar ratio after 24 hrs by MTT assay, IC50 = 21.25 μM. 29129511
COLO320 Antiproliferative assay 48 hrs Antiproliferative activity against human COLO320 cells after 48 hrs by CCK8 assay, IC50 = 39.5 μM. 28376372
MDA-MB-231 Antiproliferative assay 48 hrs Antiproliferative activity against human MDA-MB-231 cells after 48 hrs by CCK8 assay, IC50 = 48.4 μM. 28376372
MDA-MB-231 Growth inhibition assay 24 hrs Growth inhibition of human MDA-MB-231 cells after 24 hrs by MTT assay, IC50 = 48.42 μM. 29609121
MDA-MB-231 Antiproliferative assay 24 hrs Antiproliferative activity against human MDA-MB-231 cells after 24 hrs by MTT assay, IC50 = 48.44 μM. 29129511
A673 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for A673 cells 29435139
DAOY qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for DAOY cells 29435139
RD qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for RD cells 29435139
SK-N-SH qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for SK-N-SH cells 29435139
MG 63 (6-TG R) qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for MG 63 (6-TG R) cells 29435139
NB1643 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for NB1643 cells 29435139
Rh41 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for Rh41 cells 29435139
SK-N-MC qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for SK-N-MC cells 29435139
MDA-MB-231 Apoptosis assay 24 to 96 uM 48 hrs Induction of apoptosis in human MDA-MB-231 cells assessed as increase in cleaved caspase-3 expression at 24 to 96 uM after 48 hrs by Western blot analysis 28376372
MDA-MB-231 Apoptosis assay 24 to 96 uM 48 hrs Induction of apoptosis in human MDA-MB-231 cells assessed as increase in cleaved PARP level at 24 to 96 uM after 48 hrs by Western blot analysis 28376372
MDA-MB-231 Function assay 24 to 96 uM 48 hrs Decrease in caspase-3 level in human MDA-MB-231 cells at 24 to 96 uM after 48 hrs by Western blot analysis 28376372
MDA-MB-231 Function assay 24 to 96 uM 48 hrs Increase in p53 level in human MDA-MB-231 cells at 24 to 96 uM after 48 hrs by Western blot analysis 28376372
MDA-MB-231 Function assay 24 to 96 uM 48 hrs Decrease in caspase-9 level in human MDA-MB-231 cells at 24 to 96 uM after 48 hrs by Western blot analysis 28376372
MDA-MB-231 Function assay 24 to 96 uM 48 hrs Decrease in MDM2 level in human MDA-MB-231 cells at 24 to 96 uM after 48 hrs by Western blot analysis 28376372
HepG2 Cell cycle arrest assay 0.2 uM 24 hrs Cell cycle arrest in human HepG2 cells assessed as accumulation at S phase at 0.2 uM after 24 hrs by propidium iodide staining-based flow cytometric method relative to control 29129511
HepG2 Cell cycle arrest assay 24 hrs Cell cycle arrest in human HepG2 cells assessed as accumulation at S phase co-treated with pyranoxanthone at 1:1 molar ratio after 24 hrs by propidium iodide staining-based flow cytometric method 29129511
HepG2 Apoptosis assay 0.2 uM 24 hrs Induction of apoptosis in human HepG2 cells assessed as increase in cleaved caspase-3 levels at 0.2 uM after 24 hrs by Western blot method 29129511
HepG2 Apoptosis assay 0.2 uM 24 hrs Induction of apoptosis in human HepG2 cells assessed as increase in cleaved caspase-9 levels at 0.2 uM after 24 hrs by Western blot method 29129511
HepG2 Apoptosis assay 24 hrs Induction of apoptosis in human HepG2 cells assessed as increase in cleaved PARP levels co-treated with pyranoxanthone at 1:1 molar ratio after 24 hrs by Western blot method 29129511
HepG2 Apoptosis assay 0.2 uM 24 hrs Induction of apoptosis in human HepG2 cells assessed as increase in cleaved PARP levels at 0.2 uM after 24 hrs by Western blot method 29129511
HepG2 Apoptosis assay 24 hrs Induction of apoptosis in human HepG2 cells assessed as increase in cleaved caspase-3 levels co-treated with pyranoxanthone at 1:1 molar ratio after 24 hrs by Western blot method 29129511
HepG2 Apoptosis assay 24 hrs Induction of apoptosis in human HepG2 cells assessed as increase in cleaved caspase-9 levels co-treated with pyranoxanthone at 1:1 molar ratio after 24 hrs by Western blot method 29129511
HepG2 Apoptosis assay 24 hrs Induction of apoptosis in human HepG2 cells assessed as downregulation of Bcl-xL expression co-treated with pyranoxanthone at 1:1 molar ratio after 24 hrs by Western blot method 29129511
HepG2 Apoptosis assay 24 hrs Induction of apoptosis in human HepG2 cells assessed as upregulation of Bid expression co-treated with pyranoxanthone at 1:1 molar ratio after 24 hrs by Western blot method 29129511
Klicka för att visa mer experimentella data för cellinjer

Kemisk information, lagring & stabilitet (Chemical Information, Storage & Stability)

Molekylvikt 282.29 Formel

C17H14O4

Lagring (från mottagningsdatumet)
CAS-nr 117570-53-3 Ladda ner SDF Lagring av stamlösningar

Synonymer ASA404, NSC 640488 Smiles CC1=C(C2=C(C=C1)C(=O)C3=CC=CC(=C3O2)CC(=O)O)C

Löslighet (Solubility)

In vitro
Batch:

DMSO : 16 mg/mL (56.67 mM) Uppvärmd med 60°C vattenbad; Ultraljudsbehandlad;
(Fuktkontaminerad DMSO kan minska lösligheten. Använd färk, vattenfri DMSO.)

7.5%Sodium bicarbonate : 10 mg/mL (Ultrasonic and heating for 5 minutes.)

Water : Insoluble

Molaritetsräknare

Massa Koncentration Volym Molekylvikt
Utspädningsräknare Molekylviktsräknare

In vivo
Batch:

In vivo-formuleringsräknare (Klar lösning)

Steg 1: Ange information nedan (Rekommenderas: Ett extra djur för att ta hänsyn till förluster under experimentet)

mg/kg g μL

Steg 2: Ange in vivo-formuleringen (Detta är endast räknaren, inte formuleringen. Vänligen kontakta oss först om det inte finns någon in vivo-formulering i löslighetsavsnittet.)

% DMSO % % Tween 80 % ddH2O
%DMSO %

Beräkningsresultat:

Arbetskoncentration: mg/ml;

Metod för att bereda DMSO-stamlösning: mg substans förlöst i μL DMSO ( Stamlösningskoncentration mg/mL, Vänligen kontakta oss först om koncentrationen överskrider DMSO-lösligheten för denna batch av substansen. )

Metod för att bereda in vivo-formulering: Ta μL DMSO stamlösning, tillsätt sedanμL PEG300, blanda och klarna, tillsätt sedanμL Tween 80, blanda och klarna, tillsätt sedan μL ddH2O, blanda och klarna.

Metod för att bereda in vivo-formulering: Ta μL DMSO stamlösning, tillsätt sedan μL Majsolja, blanda och klarna.

Obs: 1. Se till att vätskan är klar innan du tillsätter nästa lösningsmedel.
2. Se till att tillsätta lösningsmedlet/lösningsmedlen i ordning. Du måste se till att lösningen som erhålls i föregående tillsats är en klar lösning innan du fortsätter att tillsätta nästa lösningsmedel. Fysiska metoder som vortex, ultraljud eller varmt vattenbad kan användas för att underlätta upplösningen.

Verkningsmekanism (Mechanism of Action)

Targets/IC50/Ki
DT-diaphorase
(Cell-free assay)
20 μM(Ki)
DT-diaphorase
(Cell-free assay)
20 μM(Ki)
In vitro
In DLD-1 human colon carcinoma cells, Vadimezan (DMXAA) inhibits DT-diaphorase activity without significant effects on the activity of cytochrome b5 reductase and cytochrome P450 reductase. Combination of menadione and this compound leads to an increase in the antiproliferative activity of DLD-1 cells. As an antiviral agent, it inhibits VSV-induced cytotoxicity and influenza virus replication in RAW 264.7 macrophages. A recent study shows that DMXAA has non-immune-mediated inhibitory effects against several kinase members of VEGFR (vascular endothelial growth factor receptor), such as VEGFR2 signalling in human umbilical vein endothelial cells.
Kinasanalys
DT-diaforasaktivitet och kinetisk analys av enzymhämning
Renad DT-diaforasenzymaktivitet analyseras genom att mäta reduktionen av cytokrom c vid 550 nm på en Beckman DU 650 spektrofotometer. Varje analys innehåller cytokrom c (70 μM), NADH (varierande koncentrationer), renad DT-diaforas (0,032 μg) och menadion (varierande koncentrationer) i en slutvolym på 1 mL Tris–HCl-buffert (50 mM, pH 7,4) innehållande 0,14 % BSA. Reaktionen startas genom tillsats av NADH. Reduktionshastigheter beräknas över den initiala delen av reaktionskurvan (30 sekunder), och resultaten uttrycks i μmol cytokrom c reducerat/min/mg protein med en molär extinktionskoefficient på 21,1 mM−1 cm−1 för reducerat cytokrom c. Enzymanalyser utförs vid rumstemperatur och alla reaktioner utförs i triplikat. Hämning av renad DT-diaforasaktivitet utförs genom att inkludera Vadimezan (DMXAA) i olika koncentrationer i reaktionen, och hämningskarakteristika bestäms genom att variera koncentrationen av NADH (konstant menadion) eller menadion (konstant NADH) vid flera koncentrationer av denna förening. Ki-värden erhålls genom att plotta 1/V mot. Aktiviteten av DT-diaforas i DLD-1-celler bestäms genom att mäta den dikumarolkänsliga reduktionen av DCPIP vid 600 nm. Kortfattat skördas DLD-1-celler i mitten av den exponentiella tillväxtfasen genom att skrapas ner i iskall buffert (Tris–HCl, 25 mM, pH 7,4 och 250 mM sackaros) och sonikeras på is. Enzymanalysförhållandena är 2 mM NADH, 40 μM DCPIP, 20 μL dikumarol (vid behov) i en slutvolym på 1 mL Tris–HCl (25 mM, pH 7,4) innehållande BSA (0,7 mg/mL). Resultaten uttrycks som den dikumarolkänsliga reduktionen av DCPIP med en molär extinktionskoefficient på 21 mM−1 cm−1. Proteinnivåer bestäms med Bradford-analysen.
In vivo
Vadimezan (DMXAA) treatment significantly protects C57BL/6J mice infected i.n. with 200 p.f.u. mouse-adapted H1N1 influenza PR8 virus with 60% survival, while the control group only exhibited 20% survival. This compound significantly delays tumor growth induced by chemical carcinogen, increases the time to tumor doubling and increases time from treatment to euthanasia. After its treatment, median tumor doubling time, median tumour tripling time and median time from treatment to euthanasia in tumor-bearing animals are increased by approximately 4.4-, 1.8- and 2.7-fold, respectively.
Referenser
  • [4] https://pubmed.ncbi.nlm.nih.gov/16944150/

Applikationer (Applications)

Metoder Biomarkörer Bilder PMID
Western blot p-p38 / p38 p-MK2 / pERK / p-JNK
S1537-WB1
21819972
Growth inhibition assay Cell proliferation
S1537-viability1
30138430

Klinisk prövningsinformation (Clinical Trial Information)

(data från https://clinicaltrials.gov, uppdaterad den 2024-05-22)

NCT-nummer Rekrytering Tillstånd Sponsor/Samarbetspartners Startdatum Faser
NCT00856336 Completed
Refractory Tumors
Antisoma Research
May 2003 Phase 1
NCT00863733 Completed
Solid Tumors
Cancer Research UK|Cancer Society Auckland
May 1996 Phase 1