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Tesmilifene fumarate (DPPE fumarate)

Cat No.:V70316 Purity: ≥98%
Tesmilifene fumarate (DPPE fumarate) is an H1C receptor antagonist that can broadly enhance the cytotoxic effect of chemotherapy and protect normal cells.
Tesmilifene fumarate (DPPE fumarate)
Tesmilifene fumarate (DPPE fumarate) Chemical Structure CAS No.: 1185241-83-1
Product category: Histamine Receptor
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
5mg
10mg
25mg
Other Sizes
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Product Description
Tesmilifene fumarate (DPPE fumarate) is an H1C receptor antagonist that can broadly enhance the cytotoxic effect of chemotherapy and protect normal cells.
Tesmilifene fumarate (DPPE fumarate) is an H1C receptor antagonist that potentiates a wide range of cytotoxic agents and offers some protection of normal cells. It is a novel potentiator of chemotherapy. The compound has a molecular formula of C23H29NO5 and a molecular weight of 399.48. Tesmilifene fumarate is also known as BMS-217380-01. As an H1C receptor antagonist, it modulates the effects of chemotherapeutic drugs, potentially enhancing their efficacy while reducing toxicity to normal cells. The compound has been investigated for its potential in cancer therapy as an adjunct to chemotherapy. It is a research compound and is not approved for human therapeutic use.
Biological Activity I Assay Protocols (From Reference)
Targets
H1C receptor.
ln Vitro
Tesmilifene may affect how 12(S)HETE affects cancer cells, which could have an indirect effect on how susceptible cellular DNA is to chemotherapy[1].
Tesmilifene fumarate is an H1C receptor antagonist that potentiates a wide range of cytotoxic agents. It offers some protection of normal cells. As a potentiator of chemotherapy, it may enhance the efficacy of cytotoxic drugs while reducing their toxicity to normal tissues.
ln Vivo
Tesmilifene (DPPE, 20 μg (icv in 5 μL) and 20 mg/kg (sc)) increased the amount of seizures brought on by both convulsants[2].
In vivo, Tesmilifene fumarate has been investigated for its potential in cancer therapy as an adjunct to chemotherapy. Its ability to potentiate cytotoxics and protect normal cells suggests it may improve the therapeutic index of anticancer drugs.
Enzyme Assay
In vitro receptor binding assays for tesmilifene fumarate are performed to evaluate its affinity for the H1C receptor. Radioligand binding studies using membrane preparations from cells expressing the H1C receptor are conducted. The compound's ability to displace a specific radiolabeled ligand is measured to calculate its binding affinity.
Cell Assay
In vitro cell-based assays are conducted using cancer cell lines to evaluate the effects of tesmilifene fumarate on cytotoxicity. The compound is tested in combination with various cytotoxic agents, and cell viability is measured to assess its potentiating effects. Its protective effects on normal cells are also evaluated in parallel assays.
Animal Protocol
Animal/Disease Models: Male BKTO mice (25-45 g)[2].
Doses: 20 mg/kg (sc) and 20 μg (icv in 5 μL).
Route of Administration: SC and icv.
Experimental Results: Potentiated seizures induced by both convulsants.
In vivo animal studies are conducted in tumor xenograft models to evaluate the effects of tesmilifene fumarate on tumor growth and chemotherapy efficacy. The compound is administered in combination with cytotoxic agents, and its effects on tumor size, survival, and toxicity are assessed.
ADME/Pharmacokinetics
No detailed pharmacokinetic data are publicly available for tesmilifene fumarate. As a research compound, its ADME properties would be characterized in standard preclinical studies.
Toxicity/Toxicokinetics
No specific toxicity data are publicly available for tesmilifene fumarate. As an H1C receptor antagonist, its toxicity profile is expected to be related to its mechanism of action. Standard safety precautions should be followed when handling this compound.
References

[1]. Tesmilifene may enhance breast cancer chemotherapy by killing a clone of aggressive, multi-drug resistant cells through its action on the p-glycoprotein pump. Med Hypotheses. 2006;66(4):715-31.

[2]. Modulation of the intracellular and H3-histamine receptors and chemically-induced seizures in mice Agents Actions. 1994 Jun;41 Spec No:C68-9.

Additional Infomation
Tesmilifene fumarate (DPPE fumarate) is an H1C receptor antagonist that potentiates a wide range of cytotoxic agents and offers protection of normal cells. It has been investigated as a potentiator of chemotherapy in cancer research. The compound is not approved for human therapeutic use and is strictly for research purposes.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C23H29NO5
Molecular Weight
399.48
Exact Mass
399.204
CAS #
1185241-83-1
PubChem CID
45073473
Appearance
White to off-white solid powder
Hydrogen Bond Donor Count
2
Hydrogen Bond Acceptor Count
6
Rotatable Bond Count
10
Heavy Atom Count
29
Complexity
369
Defined Atom Stereocenter Count
0
SMILES
CCN(CC)CCOC1=CC=C(C=C1)CC2=CC=CC=C2.C(=C/C(=O)O)\C(=O)O
InChi Key
ZOOMDYHTGZSGDD-WLHGVMLRSA-N
InChi Code
InChI=1S/C19H25NO.C4H4O4/c1-3-20(4-2)14-15-21-19-12-10-18(11-13-19)16-17-8-6-5-7-9-17;5-3(6)1-2-4(7)8/h5-13H,3-4,14-16H2,1-2H3;1-2H,(H,5,6)(H,7,8)/b;2-1+
Chemical Name
2-(4-benzylphenoxy)-N,N-diethylethanamine;(E)-but-2-enedioic acid
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: 250 mg/mL (625.81 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.08 mg/mL (5.21 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 20.8 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: ≥ 2.08 mg/mL (5.21 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 20.8 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly.
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.

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Solubility in Formulation 3: ≥ 2.08 mg/mL (5.21 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 20.8 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.


 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.5033 mL 12.5163 mL 25.0325 mL
5 mM 0.5007 mL 2.5033 mL 5.0065 mL
10 mM 0.2503 mL 1.2516 mL 2.5033 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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What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
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Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
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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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