2. Cytoskeleton Metabolic Enzyme/Protease
  3. Integrin Endogenous Metabolite
  4. Tetrac

Tetrac  (Synonyms: Tetraiodothyroacetic acid; 3,3',5,5'-Tetraiodothyroacetic acid)

Cat. No.: HY-W008859 Purity: 98.04%
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Tetrac (Tetraiodothyroacetic acid), a derivative of L-thyroxine (T4), is a thyrointegrin receptor antagonist. Tetrac blocks the actions of T4 and 3,5,3'-triiodo-L-thyronine (T3) at the cell surface receptor for thyroid hormone on integrin αvβ3. Tetra has anti-angiogenic and anti-tumor activities.

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

Tetrac Chemical Structure

Tetrac Chemical Structure

CAS No. : 67-30-1

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10 mM * 1 mL in DMSO
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Customer Review

Based on 1 publication(s) in Google Scholar

Tetrac Related Antibodies

Top Publications Citing Use of Products

1 Publications Citing Use of MCE Tetrac

View All Integrin Isoform Specific Products:

View All Isoforms
αvβ1 αvβ3 αvβ5 αvβ6 αvβ8 α5β1 α1β1 α2β1 α4β1 α9β1 αIIbβ3 α4β7 αLβ2

  • Biological Activity

  • Purity & Documentation

  • References

  • Customer Review

Description

Tetrac (Tetraiodothyroacetic acid), a derivative of L-thyroxine (T4), is a thyrointegrin receptor antagonist. Tetrac blocks the actions of T4 and 3,5,3'-triiodo-L-thyronine (T3) at the cell surface receptor for thyroid hormone on integrin αvβ3. Tetra has anti-angiogenic and anti-tumor activities[1][2].

Cellular Effect
Cell Line Type Value Description References
HEK-293T EC50
0.1 μM
Compound: TETRAC
Agonist activity at recombinant human pFA-CMV fused PPARgamma expressed in HEK293T cells transfected with pFR-luciferase plasmid and pRL-SV40 plasmid incubated for 14 to 16 hrs by dual glo luciferase reporter gene assay
Agonist activity at recombinant human pFA-CMV fused PPARgamma expressed in HEK293T cells transfected with pFR-luciferase plasmid and pRL-SV40 plasmid incubated for 14 to 16 hrs by dual glo luciferase reporter gene assay
[PMID: 32356658]
HEK-293T EC50
1.32 μM
Compound: TETRAC
Agonist activity at recombinant human pFA-CMV fused RXRalpha LBD expressed in HEK293T cells transfected with pFR-luciferase plasmid and pRL-SV40 plasmid incubated for 14 to 16 hrs by dual glo luciferase reporter gene assay
Agonist activity at recombinant human pFA-CMV fused RXRalpha LBD expressed in HEK293T cells transfected with pFR-luciferase plasmid and pRL-SV40 plasmid incubated for 14 to 16 hrs by dual glo luciferase reporter gene assay
[PMID: 32356658]
In Vitro

Tetrac (0.01-1 μM; 2-6 d) induces anti-proliferation in HT-29 and HCT116 cells with different K-RAS status[3].
Tetrac (0.1 μM; 30 min) inhibits activation of ERK1/2 in HT-29 and HCT116 cells[3].
Tetrac (0.1 μM; 24 h) inhibits expression of CCND1 and c-Myc, but promotes expression of CASP2 and THBS1[3].

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

Tetrac Related Antibodies

Cell Proliferation Assay[3]

Cell Line: HT-29 and HCT116 cells
Concentration: 0.01, 0.1, 1 μM
Incubation Time: 0, 2, 4, 6 days
Result: Induced anti-proliferation of K-RAS wild-type colorectal cancer cells.

Western Blot Analysis[3]

Cell Line: HT-29 and HCT116 cells
Concentration: 0.1 μM
Incubation Time: 30 min
Result: Inhibited constitutively activated ERK1/2, and this inhibition can remove by anti-integrin αvβ3 antibody pretreatment.
In Vivo

Tetrac (35 μg; p.o. for 40 days) inhibits tumor inoculation, growth and integrin expression in mice[4].

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

Animal Model: Wild-type male Balb/C mice aged 8 weeks are inoculated with 102B16F10 or B16LS9 cells[4]
Dosage: 35 μg per day
Administration: P.o. (added to the drinking water) daily for 40 days
Result: Delayed the onset of ocular melanoma.
Reduced the S-100 and integrin staining level in the B16F10 mice model.
Molecular Weight

747.83

Formula

C14H8I4O4
CAS No.
Appearance

Solid

Color

White to off-white

SMILES

O=C(O)CC1=CC(I)=C(OC2=CC(I)=C(O)C(I)=C2)C(I)=C1
Structure Classification
Initial Source
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

-20°C, protect from light

*In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)

Solvent & Solubility
In Vitro: 

DMSO : 100 mg/mL (133.72 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 1.3372 mL 6.6860 mL 13.3720 mL
5 mM 0.2674 mL 1.3372 mL 2.6744 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 (protect from light). 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)

Mass
=
Concentration
×
Volume
×
Molecular Weight *

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

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

×
Volume (start)

V1

=
Concentration (final)

C2

×
Volume (final)

V2

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 (3.34 mM); Suspended solution; Need ultrasonic

    This protocol yields a suspended solution of 2.5 mg/mL. Suspended solution can be used for oral and intraperitoneal injection.

    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 (3.34 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:

Dosage

mg/kg

Animal weight
(per animal)

g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
%
DMSO +
% 
+
%
Tween-80 +
%
Saline
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).

*In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)

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
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 (protect from light). 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 1.3372 mL 6.6860 mL 13.3720 mL 33.4301 mL
5 mM 0.2674 mL 1.3372 mL 2.6744 mL 6.6860 mL
10 mM 0.1337 mL 0.6686 mL 1.3372 mL 3.3430 mL
15 mM 0.0891 mL 0.4457 mL 0.8915 mL 2.2287 mL
20 mM 0.0669 mL 0.3343 mL 0.6686 mL 1.6715 mL
25 mM 0.0535 mL 0.2674 mL 0.5349 mL 1.3372 mL
30 mM 0.0446 mL 0.2229 mL 0.4457 mL 1.1143 mL
40 mM 0.0334 mL 0.1672 mL 0.3343 mL 0.8358 mL
50 mM 0.0267 mL 0.1337 mL 0.2674 mL 0.6686 mL
60 mM 0.0223 mL 0.1114 mL 0.2229 mL 0.5572 mL
80 mM 0.0167 mL 0.0836 mL 0.1672 mL 0.4179 mL
100 mM 0.0134 mL 0.0669 mL 0.1337 mL 0.3343 mL
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Tetrac 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:

Tetrac67-30-1Tetraiodothyroacetic acid 3,3',5,5'-Tetraiodothyroacetic acidIntegrinEndogenous MetabolitenaturallymetaboliteL-ThyroxineT4integrinanticanceranti-angiogenicInhibitorinhibitorinhibit

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