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Lobaplatin

Alias: Lobaplatin; D-19466; D19466
Cat No.:V15600 Purity: ≥98%
Lobaplatin (D-19466) is a diastereomeric mixture of platinum(II) complexes.
Lobaplatin
Lobaplatin Chemical Structure CAS No.: 135558-11-1
Product category: New1
This product is for research use only, not for human use. We do not sell to patients.
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Product Description
Lobaplatin (D-19466) is a diastereomeric mixture of platinum(II) complexes. Lobaplatin arrests the cell cycle in the G1 and G2/M phases. Lobaplatin causes apoptosis by increasing the expression of caspase and Bax and reducing the expression of Bcl-2. Lobaplatin may be used in cancer-related research.
Biological Activity I Assay Protocols (From Reference)
ln Vitro
The antiproliferative effect of lobaplatin (D-19466, 0.25-32 μg/mL; 24-72 hours) is demonstrated against cell lines of esophageal squamous cell carcinoma (ESCC) [1]. Inducing apoptosis in esophageal squamous cell carcinoma (ESCC) and controlling the expression of proteins linked to apoptosis are two of the effects of lobaplatin (0–16 μg/mL; 48 hours) [1]. In a time-dependent way, lobaplatin (1.45 μg/mL; 0-48 hours; SMMC-7721 cells) inhibits the progression of the cell cycle in the G1 and G2/M phases [2]. Lobaplatin (1.45 μg/mL; 0-48 hours; SMMC-7721 cells) inhibits the Rb/E2F complex and upregulates CDK inhibitors in addition to inhibiting the mRNA levels of cyclin B, CDK1, and CDC25C phosphatase [2].
ln Vivo
In esophageal squamous cell carcinoma (ESCC) xenografts, loplatin (5 and 10 mg/kg; intraperitoneally; once weekly for 3 weeks) suppresses tumor growth [1].
Cell Assay
Cell Viability Assay[1]
Cell Types: KYSE-410 cells and EC-109 Cell
Tested Concentrations: 0.25, 0.5, 1, 2, 4, 8, 16 and 32 μg/mL
Incubation Duration: 24, 48 and 72 hrs (hours)
Experimental Results: Inhibition The growth of KYSE-410 and EC-109 cells was dose- and time-dependent. Inhibits the clonogenic activity of KYSE-410 and EC-109 cells in a dose-dependent manner.

Apoptosis analysis[1]
Cell Types: KYSE-410 cells and EC-109 cells
Tested Concentrations: 0.25, 1, 4 and 16 μg/mL
Incubation Duration: 48 hrs (hours)
Experimental Results: The percentage of apoptotic cells increased in a dose-dependent manner.

Western Blot Analysis[1]
Cell Types: KYSE-410 cells and EC-109 cells
Tested Concentrations: 0, 1, 4 and 16 μg/mL
Incubation Duration: 48 hrs (hours)
Experimental Results: Increased expression of cleaved-caspase-3, cleaved-caspase-8 , cleave caspase-9 and Bax, while reducing the expression of Bcl-2.

Cell cycle analysis [2]
Cell Types: SMMC-7721 Cell
Tested Concentrations: 1.45 μg/mL
Incubation Duration: 0, 24, 36, 48 hrs (hours)
Experimental Results: The ratio of G1, S, G2/M phases in the cells was 45.31,
Animal Protocol
Animal/Disease Models: Male BALB/c nude mice (4-6 weeks) ESCC xenograft [1]. Dosing once weekly for 3 weeks: 5 and 10 mg/kg
Experimental Results: Inhibition of tumor volume in a dose-dependent manner. Bax expression is increased and Bcl-2 expression is diminished.
References

[1]. Antitumor activity of Lobaplatin against esophageal squamous cell carcinoma through caspase-dependent apoptosis and increasing the Bax/Bcl-2 ratio. Biomed Pharmacother. 2017 Nov;95:447-452.

[2]. Lobaplatin arrests cell cycle progression in human hepatocellular carcinoma cells. J Hematol Oncol. 2010 Oct 31;3:43.

[3]. McKeage MJ. Lobaplatin: a new antitumour platinum drug. Expert Opin Investig Drugs. 2001 Jan;10(1):119-28.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C9H18N2O3PT
Molecular Weight
397.33
Exact Mass
395.081
CAS #
135558-11-1
Appearance
White to off-white solid powder
Boiling Point
179.5ºC at 760 mmHg
Melting Point
220ºC
Flash Point
75.1ºC
Vapour Pressure
0.937mmHg at 25°C
LogP
0.538
Synonyms
Lobaplatin; D-19466; D19466
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)
H2O : ~50 mg/mL (~125.84 mM)
Solubility (In Vivo)
Solubility in Formulation 1: 100 mg/mL (251.68 mM) in PBS (add these co-solvents sequentially from left to right, and one by one), clear solution; with sonication.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.5168 mL 12.5840 mL 25.1680 mL
5 mM 0.5034 mL 2.5168 mL 5.0336 mL
10 mM 0.2517 mL 1.2584 mL 2.5168 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.

Calculator

Molarity Calculator allows you to calculate the mass, volume, and/or concentration required for a solution, as detailed below:

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An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
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  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
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g/mol

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
  • Molecular mass (or molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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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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