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(-)-Epipodophyllotoxin

Alias: (-)-Epipodophyllotoxin
Cat No.:V60113 Purity: ≥98%
(-)-Epipodophyllotoxin is an antiproliferative agent against cancer cells isolated from American mayapple Podophyllum peltatum, with GI50s of 0.36 and 0.24 μM in HeLa cells and MCF-7 cells, respectively.
(-)-Epipodophyllotoxin
(-)-Epipodophyllotoxin Chemical Structure CAS No.: 4375-07-9
Product category: Apoptosis
This product is for research use only, not for human use. We do not sell to patients.
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Product Description
(-)-Epipodophyllotoxin is an antiproliferative agent against cancer cells isolated from American mayapple Podophyllum peltatum, with GI50s of 0.36 and 0.24 μM in HeLa cells and MCF-7 cells, respectively. In vitro, mitotic spindle assembly can be inhibited by (-)-epipodophyllotoxin[1].
Biological Activity I Assay Protocols (From Reference)
Targets
TLR9; Autophagy
ln Vitro
Hydroxychloroquine Sulfate is a potent inhibitor of autophagy. It interferes with an essential step in the autophagic process by preventing lysosomal acidification. Treatment with HCQ reduces the growth of RCC (renal cell cancer) cells, boosts glycolysis, encourages apoptosis, and prevents mitochondrial oxygen consumption[2].
ln Vivo
In an in vivo rat model of I/R injury, hydroxychloroquine sulfate treatment reduces the infarct size, and the cardioprotective effect of hydroxychloroquine is ERK1/2 dependent[3].
Additionally, hydroxychloroquine sulfate exhibits an early protective effect on the vascular system. Endothelial dysfunction (ED) appears to be avoided in treated animals by HCQ[4].
Enzyme Assay
Recombinant S6 protein and recombinant active P70S6K are used with purified proteins, and they are incubated in 1x kinase buffer with varying concentrations of HCQ or RAD001 in either the presence (25 μM) or absence of ATP for 30 minutes at 30°C. With the aid of phosphospecific antibodies and western analysis, total and phosphorylated S6 at the positions ser235/236 and ser240/244 are found. On the western blot, recombinant GST-tagged S6 (53 kd) can be distinguished from endogenous S6 (32 kd).
Cell Assay
All cells are cultured in RPMI containing 10% FBS, 1% glutamine, and 1% Pen/Strep. After overnight cell seeding on the appropriate plates, HCQ (75 or 100 μM) is applied for 48 hours.
References

[1]. J Invest Dermatol . 2009 Oct;129(10):2419-26.

[2]. PLoS One . 2015 Jul 2;10(7):e0131464.

[3]. PLoS One . 2015 Dec 4;10(12):e0143771.

[4] 2013 ACR/ARHP Annual Meeting.

[5]. Mol Pharmacol . 2014 Mar;85(3):429-40.

Additional Infomation
Epipodophyllotoxin has been reported in Juniperus sabina and Podophyllum peltatum with data available.
A lignan (LIGNANS) found in PODOPHYLLIN resin from the roots of PODOPHYLLUM plants. It is a potent spindle poison, toxic if taken internally, and has been used as a cathartic. It is very irritating to skin and mucous membranes, has keratolytic actions, has been used to treat warts and keratoses, and may have antineoplastic properties, as do some of its congeners and derivatives.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C22H22O8
Molecular Weight
414.40528
Exact Mass
414.131
CAS #
4375-07-9
Related CAS #
4375-07-9
PubChem CID
105111
Appearance
Solid
Density
1.37g/cm3
Boiling Point
597.9ºC at 760 mmHg
Melting Point
160.3 °C
Flash Point
210.2ºC
Index of Refraction
1.605
LogP
2.409
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
8
Rotatable Bond Count
4
Heavy Atom Count
30
Complexity
629
Defined Atom Stereocenter Count
4
SMILES
COC1C(OC)=CC([C@@H]2C3=CC4OCOC=4C=C3[C@@H](O)[C@H]3COC(=O)[C@H]23)=CC=1OC
InChi Key
YJGVMLPVUAXIQN-LGWHJFRWSA-N
InChi Code
InChI=1S/C22H22O8/c1-25-16-4-10(5-17(26-2)21(16)27-3)18-11-6-14-15(30-9-29-14)7-12(11)20(23)13-8-28-22(24)19(13)18/h4-7,13,18-20,23H,8-9H2,1-3H3/t13-,18+,19-,20+/m0/s1
Chemical Name
(5S,5aR,8aR,9R)-5-hydroxy-9-(3,4,5-trimethoxyphenyl)-5a,6,8a,9-tetrahydro-5H-[2]benzofuro[5,6-f][1,3]benzodioxol-8-one
Synonyms
(-)-Epipodophyllotoxin
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
DMSO: ~87 mg/mL (~200.5 mM)
Solubility (In Vivo)
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.

Injection Formulations
(e.g. IP/IV/IM/SC)
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution 50 μL Tween 80 850 μL Saline)
*Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution.
Injection Formulation 2: DMSO : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO 400 μLPEG300 50 μL Tween 80 450 μL Saline)
Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO 900 μL Corn oil)
Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals).
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Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO 900 μL (20% SBE-β-CD in saline)]
*Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.
Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin 500 μL Saline)
Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO 100 μLPEG300 200 μL castor oil 650 μL Saline)
Injection Formulation 7: Ethanol : Cremophor : Saline = 10: 10 : 80 (i.e. 100 μL Ethanol 100 μL Cremophor 800 μL Saline)
Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline
Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH 900 μL Corn oil)
Injection Formulation 10: EtOH : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH 400 μLPEG300 50 μL Tween 80 450 μL Saline)


Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium)
Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose
Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals).
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Oral Formulation 3: Dissolved in PEG400
Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose
Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose
Oral Formulation 6: Mixing with food powders


Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.4131 mL 12.0653 mL 24.1307 mL
5 mM 0.4826 mL 2.4131 mL 4.8261 mL
10 mM 0.2413 mL 1.2065 mL 2.4131 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

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In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.

Method for preparing in vivo formulation:Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
             (2) Be sure to add the solvent(s) in order.

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