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Chemical Structure| 1245606-71-6 Chemical Structure| 1245606-71-6

Structure of TPE-MI
CAS No.: 1245606-71-6

Chemical Structure| 1245606-71-6

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TPE-MI (Tetraphenylethene maleimide) is non-fluorescent before binding to thiols, becoming fluorescent when labeling free cysteine thiols exposed in unfolded globular proteins. It is used to measure cellular unfolded protein load, detect protein homeostasis imbalance in Huntington’s disease stem cell models, and investigate protein damage in Plasmodium parasites caused by dihydroartemisinin.

Synonyms: Tetraphenylethene maleimide

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Product Details of TPE-MI

CAS No. :1245606-71-6
Formula : C31H23NO2
M.W : 441.52
SMILES Code : O=C(C=C1)N(C2=CC=C(/C(C3=CC=CC=C3)=C(C4=CC=CC=C4)/C5=CC=C(C)C=C5)C=C2)C1=O
Synonyms :
Tetraphenylethene maleimide
MDL No. :MFCD28901372

Safety of TPE-MI

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319
Precautionary Statements:P501-P270-P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313-P301+P312+P330

Isoform Comparison

Biological Activity

Description
TPE-MI (Tetraphenylethene maleimide) serves as a thiol probe that measures the load of unfolded proteins and monitors proteostasis in cells. It can indicate proteostasis imbalances in induced pluripotent stem cell models of Huntington's disease and in cells transfected with mutant Huntington exon 1 before aggregates become visible. TPE-MI also identifies protein damage in studies involving the malaria parasite Plasmodium falciparum[1][2].

Protocol

Bio Calculators
Preparing Stock Solutions 1mg 5mg 10mg

1 mM

5 mM

10 mM

2.26mL

0.45mL

0.23mL

11.32mL

2.26mL

1.13mL

22.65mL

4.53mL

2.26mL

Dissolving Methods
Please choose the appropriate dissolution scheme according to your animal administration guide.For the following dissolution schemes, clear stock solution should be prepared according to in vitro experiments, and then cosolvent should be added in turn:

in order to ensure the reliability of the experimental results, the clarified stock solution can be properly preserved according to the storage conditions; The working fluid for in vivo experiment is recommended to be prepared now and used on the same day;

The percentage shown in front of the following solvent refers to the volume ratio of the solvent in the final solution; If precipitation or precipitation occurs in the preparation process, it can be assisted by heating and/or ultrasound.
Protocol 1

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