2. Epigenetics
  3. HuR
  4. CMLD-2

CMLD-2, an inhibitor of HuR-ARE interaction, competitively binds HuR protein disrupting its interaction with adenine-uridine rich elements (ARE)-containing mRNAs (Ki=350 nM). CMLD-2 induces apoptosis exhibits antitumor activity in different cancer cells as colon, pancreatic, thyroid and lung cancer cell lines. Hu antigen R (HuR) is an RNA binding protein, can regulate target mRNAs stability and translation.

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CMLD-2 Chemical Structure

CMLD-2 Chemical Structure

CAS No. : 958843-91-9

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Solid + Solvent (Highly Recommended)
10 mM * 1 mL in DMSO
ready for reconstitution
 USD 330 In-stock
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Based on 1 publication(s) in Google Scholar

CMLD-2 Related Antibodies

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Description

CMLD-2, an inhibitor of HuR-ARE interaction, competitively binds HuR protein disrupting its interaction with adenine-uridine rich elements (ARE)-containing mRNAs (Ki=350 nM). CMLD-2 induces apoptosis exhibits antitumor activity in different cancer cells as colon, pancreatic, thyroid and lung cancer cell lines. Hu antigen R (HuR) is an RNA binding protein, can regulate target mRNAs stability and translation[1][2].

IC50 & Target

HuR[1]
In Vitro

CMLD-2 (1-75 μM; 24-72 h) inhibits thyroid cancer cell viability[2].
? CMLD-2 (20-30 μM; 24-48 h) activates caspases and induces apoptotic cell death in H1299 and A549 cells[3].
? CMLD-2 (30 μM; 24-48 h) induces G1 cell cycle arrest and mitochondrial perturbation in H1299 and A549 cell[3].
? CMLD-2 (30 μM; 24-48 h) reduces expression of HuR and HuR-regulated mRNAs and proteins in H1299 cells[3].
? CMLD-2 (35 μM; 72 h) decreases directional migration capability in SW1736, 8505C, BCPAP and K1 cells. CMLD-2 induces a strong decrease of MAD2 mRNA levels in SW1736, 8505C, BCPAP and K1 cells[2].

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

CMLD-2 Related Antibodies

Cell Viability Assay[2]

Cell Line: SW1736, 8505C, BCPAP and K1 cells
Concentration: 1, 5, 10, 25, 35, 50, 75 μM
Incubation Time: 24, 48, 72 hours
Result: Reduced the viability of all the four cell lines when used at 35, 50 and 75 μM concentration and at different time points.

Apoptosis Analysis[3]

Cell Line: H1299, A549, H1975, HCC827, MRC-9 and CCD16 cells
Concentration: 20, 30 μM
Incubation Time: 24, 48 hours
Result: Marked activated the caspase-9 and -3 in lung tumor cells.
Induce the cleavage of PARP in lung tumor cells.
Significantly increased the annexin-V-positive staining in lung tumor cells.

Cell Cycle Analysis[3]

Cell Line: H1299, A549, MRC-9 and CCD16 cells
Concentration: 30 μM
Incubation Time: 24, 48 hours
Result: Induced greater G1 phase cell cycle arrest in H1299 and A549 cells than in MRC-9 and CCD16 cells.

Western Blot Analysis[3]

Cell Line: H1299, A549, H1975, HCC827, CCD16 and MRC-9 cells
Concentration: 20, 30 μM
Incubation Time: 24, 48 hours
Result: Diminished protein expression of HuR, Bcl-2, Cyclin E and Bcl-XL and increased expression of p27 and BAX in lung tumor cells.
Molecular Weight

513.58

Formula

C31H31NO6
CAS No.
Appearance

Solid

Color

White to off-white

SMILES

O=C1C=C(C2=CC=CC=C2)C3=C(OC)C=C(OC)C(C(C4=CC=C(OC)C=C4)CC(N5CCCC5)=O)=C3O1
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 : 50 mg/mL (97.36 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 1.9471 mL 9.7356 mL 19.4712 mL
5 mM 0.3894 mL 1.9471 mL 3.8942 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 (4.87 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 (4.87 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.
In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

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Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
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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: 98.99%

SDS (393 KB)

COA (258 KB) HNMR (269 KB) LCMS (93 KB)

Handling Instructions (2659 KB)
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 1.9471 mL 9.7356 mL 19.4712 mL 48.6779 mL
5 mM 0.3894 mL 1.9471 mL 3.8942 mL 9.7356 mL
10 mM 0.1947 mL 0.9736 mL 1.9471 mL 4.8678 mL
15 mM 0.1298 mL 0.6490 mL 1.2981 mL 3.2452 mL
20 mM 0.0974 mL 0.4868 mL 0.9736 mL 2.4339 mL
25 mM 0.0779 mL 0.3894 mL 0.7788 mL 1.9471 mL
30 mM 0.0649 mL 0.3245 mL 0.6490 mL 1.6226 mL
40 mM 0.0487 mL 0.2434 mL 0.4868 mL 1.2169 mL
50 mM 0.0389 mL 0.1947 mL 0.3894 mL 0.9736 mL
60 mM 0.0325 mL 0.1623 mL 0.3245 mL 0.8113 mL
80 mM 0.0243 mL 0.1217 mL 0.2434 mL 0.6085 mL
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CMLD-2 Related Classifications

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.

Keywords:

CMLD-2958843-91-9CMLD2CMLD 2HuRHuman Antigen RRNA,interactionantitumorcancercolonpancreaticthyroidlungInhibitorinhibitorinhibit

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