1. Metabolic Enzyme/Protease Anti-infection Apoptosis
  2. Fatty Acid Synthase (FASN) Virus Protease Bacterial Apoptosis
  3. Lycorine

Lycorine is a natural alkaloid extracted from the Amaryllidaceae plant. Lycorine is a potent and orally active SCAP inhibitor with a Kd value 15.24 nM. Lycorine downregulates the SCAP protein level without changing its transcription. Lycorine is also a melanoma vasculogenic inhibitor. Lycorine can be used for the study of prostate cancer and metabolic diseases.

For research use only. We do not sell to patients.

Lycorine Chemical Structure

Lycorine Chemical Structure

CAS No. : 476-28-8

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10 mM * 1 mL in DMSO
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Customer Review

Based on 12 publication(s) in Google Scholar

Other Forms of Lycorine:

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  • Biological Activity

  • Purity & Documentation

  • References

  • Customer Review

Description

Lycorine is a natural alkaloid extracted from the Amaryllidaceae plant. Lycorine is a potent and orally active SCAP inhibitor with a Kd value 15.24 nM. Lycorine downregulates the SCAP protein level without changing its transcription[2]. Lycorine is also a melanoma vasculogenic inhibitor[3]. Lycorine can be used for the study of prostate cancer and metabolic diseases[2].

IC50 & Target

Kd: 15.24 nM (SCAP)[1]

In Vitro

Lycorine inhibits cell proliferation in a dose-dependent manner in the abovementioned 4 PCa cell lines, and the IC50 ranged from 5 μM to 10 μM., it also shows Lycorine has little effects on PNT1A cell's proliferation[1].
SCAP (SREBF chaperone) is an ER-toGolgi transport protein, undergoes a conformational change, and regulates/preserves SREBFs in the ER by forming a complex with INSIG1 (insulin induced gene 1)[2].
Lycorine (5-40 μM; 16 hours) significantly suppresses SREBFs activity (up to -70%) in a dosedependent manner and does not cause obvious cytotoxicity in cells[2].
Lycorine (10-20 μM; 2-16 hours) dose- and time-dependently decreases the mature SREBF1 and SREBF2 proteins in HL-7702 cells[2].
Lycorine (20 μM; 16 hours) neither activates NR1H3 transcription nor affect NR1H3 target genes, including ABCG5? and ABCG8, but Sterols activates NR1H3 transcription activity[1].
Lycorine (0-25 μM; 48 hours) treatment markedly suppresses the expression of vascular endothelial (VE)-cadherin in a dose-dependent manner and also slightly diminishes the expression of Sema4D in C8161 cells. However, the expression of the other six genes is not affected[3].
Lycorine (0-25 μM; 48 hours) treatment markedly reduces VE-cadherin protein levels in C8161 cells in a dose-dependent fashion[3].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Cell Viability Assay[2]

Cell Line: HL-7702/SRE-Luc cells
Concentration: 16 hours
Incubation Time: 5 μM; 10 μM; 20 μM; 40 μM
Result: Had no cytotoxicity on HL-7702 cells.

Western Blot Analysis[2]

Cell Line: HL-7702/SRE-Luc cells
Concentration: 2 hours, 4 hours, 8 hours, 12 hours, 16 hours
Incubation Time: 10 μM; 20 μM
Result: Decreased p-SREBF1, m-SREBF1, p-SREBF2 and p-SREBF1 protein expression.

RT-PCR[3]

Cell Line: C8161 cells
Concentration: 0 μM, 1.56 μM, 3.13 μM, 6.25 μM, 12.5 μM, 25 μM
Incubation Time: 48 hours
Result: Markedly suppressed the expression of VE-cadherin in a dose-dependent manner and also slightly diminished the expression of Sema4D in C8161 cells.
In Vivo

Lycorine (oral chow; 15 mg/kg, 30 mg/kg; once daily) alleviates fat accumulation and metabolic syndrome, increases lipolysis and betaoxidation of fatty acid along with precursor and mature SREBFs in mice [2].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: High-fat diet (HFD)-fed C57BL/6J mice[2]
Dosage: 15 mg/kg, 30 mg/kg
Administration: Oral chow; once daily
Result: Ameliorated high-fat diet-induced hyperlipidemia, hepatic steatosis, and insulin resistance in mice.
Molecular Weight

287.31

Formula

C16H17NO4

CAS No.
Appearance

Solid

Color

White to off-white

SMILES

O[C@@H]1[C@@H](O)C=C(CC2)[C@@]3([H])N2CC4=C([C@@]31[H])C=C(OCO5)C5=C4

Structure Classification
Initial Source
Shipping

Room temperature in continental US; may vary elsewhere.

Storage
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 6 months
-20°C 1 month
Solvent & Solubility
In Vitro: 

DMSO : 25 mg/mL (87.01 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 3.4806 mL 17.4028 mL 34.8056 mL
5 mM 0.6961 mL 3.4806 mL 6.9611 mL
View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

  • Molarity Calculator

  • Dilution Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

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Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

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In Vivo:

Select the appropriate dissolution method based on your experimental animal and administration route.

For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for in vivo experiments, it is recommended to prepare freshly and use it on the same day.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

  • Protocol 1

    Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% Saline

    Solubility: ≥ 2.5 mg/mL (8.70 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.

    Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
  • Protocol 2

    Add each solvent one by one:  10% DMSO    90% (20% SBE-β-CD in Saline)

    Solubility: ≥ 2.5 mg/mL (8.70 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.

    Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.

For the following dissolution methods, please prepare the working solution directly. It is recommended to prepare fresh solutions and use them promptly within a short period of time.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

  • Protocol 1

    Add each solvent one by one:  50% PEG300    50% Saline

    Solubility: 25 mg/mL (87.01 mM); Suspended solution; Need ultrasonic

In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

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(per animal)

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Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
%
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%
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Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Calculation results:
Working solution concentration: mg/mL
Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).
The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only. If necessary, please contact MedChemExpress (MCE).
Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
 If the continuous dosing period exceeds half a month, please choose this protocol carefully.
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Purity & Documentation

Purity: 99.71%

References

Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 3.4806 mL 17.4028 mL 34.8056 mL 87.0140 mL
5 mM 0.6961 mL 3.4806 mL 6.9611 mL 17.4028 mL
10 mM 0.3481 mL 1.7403 mL 3.4806 mL 8.7014 mL
15 mM 0.2320 mL 1.1602 mL 2.3204 mL 5.8009 mL
20 mM 0.1740 mL 0.8701 mL 1.7403 mL 4.3507 mL
25 mM 0.1392 mL 0.6961 mL 1.3922 mL 3.4806 mL
30 mM 0.1160 mL 0.5801 mL 1.1602 mL 2.9005 mL
40 mM 0.0870 mL 0.4351 mL 0.8701 mL 2.1754 mL
50 mM 0.0696 mL 0.3481 mL 0.6961 mL 1.7403 mL
60 mM 0.0580 mL 0.2900 mL 0.5801 mL 1.4502 mL
80 mM 0.0435 mL 0.2175 mL 0.4351 mL 1.0877 mL
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Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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