1. Metabolic Enzyme/Protease
  2. Phosphatase
  3. MSI-1436

MSI-1436  (Synonyms: Trodusquemine; Aminosterol-1436)

Cat. No.: HY-12219 Purity: ≥95.0%
COA Handling Instructions

MSI-1436 is a selective, non-competitive inhibitor of the enzyme protein-tyrosine phosphatase 1B (PTP1B), with an IC50 of appr 1 μM, 200-fold preference over TCPTP (IC50, 224 μM).

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

MSI-1436 Chemical Structure

MSI-1436 Chemical Structure

CAS No. : 186139-09-3

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500 μg USD 390 In-stock

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Based on 1 publication(s) in Google Scholar

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1 Publications Citing Use of MCE MSI-1436

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  • Purity & Documentation

  • References

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Description

MSI-1436 is a selective, non-competitive inhibitor of the enzyme protein-tyrosine phosphatase 1B (PTP1B), with an IC50 of appr 1 μM, 200-fold preference over TCPTP (IC50, 224 μM).

IC50 & Target

IC50: 1 μM (PTB1B), 224 μM (TCPTP)[1]

In Vitro

In HepG2, MSI-1436 (10 µM, 30 min) alone has no effect on phosphorylation of IRβ, but in conjunction with 100 nM insulin, MSI-1436 increases p-IRβ 18-fold over untreated cells and by approximately threefold over cells treated with insulin alone. MSI-1436's inhibition of TCPTP is approximately two logs less than the effect on PTP1B activity, with a resulting IC50 value of 224 µM[1]. MSI-1436 (Trodusquemine, 10 μM) restores ERK phosphorylation in response to mGluR1/5 agonist DHPG in F11 neuronal cells. MSI-1436 (10 uM) rescues DHPG-induced holding currents and restores DSI in LMO4KO BLA neurons[2]. MSI-1436 (0.1-100 µM) blocks PTP1B activity, has insulin-mimetic effects in cultured neuronal cells[3].

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

In Vivo

MSI-1436 (10 mg/kg, i.p.) causes obesity-dependent body weight, reduces total body fat content and adipocyte size and lipid content of white adipose tissue of mice. MSI-1436 treatment significantly reduces plasma insulin levels. MSI-1436 (10 mg/kg, i.p.) increases phosphorylation of STAT-3 2.7-fold and, in conjunction with 100 U/kg insulin, p-IRβ increases threefold over insulin alone-treated rats[1]. MSI-1436 (Trodusquemine) exhibits anxiolytic effect through a restoration of endocannabinoid (eCB) signaling within the amygdala[2]. MSI-1436 (5 mg/kg, i.p.) has an anti-diabetic effect on diabetic mice, and is sufficient to suppress food intake and cause weight loss in CD1 mice[3].

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

Clinical Trial
Molecular Weight

685.06

Formula

C37H72N4O5S

CAS No.
Appearance

Solid

Color

White to yellow

SMILES

NCCCNCCCCNCCCN[C@@H]1C[C@@](C[C@@H](O)[C@]2([H])[C@]3([H])CC[C@@]4(C)[C@@]2([H])CC[C@@]4([C@H](C)CC[C@@H](OS(=O)(O)=O)C(C)C)[H])([H])[C@]3(C)CC1

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
Purity & Documentation

Purity: ≥95.0%

References
Animal Administration
[1]

Mice
Male AKR/J mice are randomLy placed on ad libitum 10, 45, or 60% fat kcal diets. After -14 weeks, mice are randomly assigned to three treatment groups (n=5-8 mice/group); MSI-1436 (initial dose of 10 mg/kg with three subsequent weekly doses of 5 mg/kg, intraperitoneally), vehicle (saline, 10 mL/kg, weekly 4×), or pair-fed (PF). PF animals are injected with saline (weekly 4×) and allotted the amount of food consumed daily by MSI-1436-treated animals. On day 23, mice are anesthetized and euthanized for blood and tissue collection, respectively. Plasma is obtained following centrifugation of blood 14,000 rpm for 10 min at 4°C.
Rats
Nine-week-old male Sprague-Dawley rats (225-260 g) with ad libitum access to normal rodent chow are dosed intraperitoneally with MSI-1436 (10 mg/kg, IP) or saline. After an overnight fast, the rats are dosed intraperitoneally with saline or 100 U/kg of insulin. At 30 min after dose, animals are killed, and hypothalami are harvested and homogenized in 1 mL of tissue extraction reagent plus phosphatase and protease inhibitors. Samples are centrifuged (14,000 rpm for 10 min at 4°C), and the protein content of the supernatants are quantitated via BCA kit.

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

References
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MSI-1436 Related Classifications

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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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MSI-1436
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HY-12219
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