1. Others Stem Cell/Wnt JAK/STAT Signaling Cell Cycle/DNA Damage Epigenetics PI3K/Akt/mTOR Metabolic Enzyme/Protease
  2. Drug Derivative STAT Sirtuin AMPK PAI-1 MicroRNA Akt Mitochondrial Metabolism
  3. Mito-Esculetin

Mito-Esculetin (Mito-Esc) is an orally active mitochondria-targeted derivative of Esculetin (HY-N0284). Mito-Esculetin inhibits LPS-induced phosphorylation of STAT3 Tyr-705, partially reverses LPS-mediated depletion of SIRT3, and enhances the AMPK-SIRT1 signaling axis. Mito-Esculetin inhibits PAI-1 activity, regulates miRNA, and induces phosphorylation of IRS and AKT. Mito-Esculetin suppresses oxidant-induced endothelial dysfunction, Ang-II (HY-13948)- and high glucose-induced atherosclerotic plaque formation, Palmitate (HY-N0830)-induced insulin resistance, as well as high glucose-mediated endothelial cell senescence and inflammatory responses. Mito-Esculetin reduces body weight and non-esterified fatty acid (NEFA) levels. Mito-Esculetin can be used in research related to acute coronary syndrome, type 2 diabetes, and hyperglycemia-induced atherosclerosis.

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

Mito-Esculetin

Mito-Esculetin Chemical Structure

CAS No. : 1993461-76-9

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Description

Mito-Esculetin (Mito-Esc) is an orally active mitochondria-targeted derivative of Esculetin (HY-N0284). Mito-Esculetin inhibits LPS-induced phosphorylation of STAT3 Tyr-705, partially reverses LPS-mediated depletion of SIRT3, and enhances the AMPK-SIRT1 signaling axis. Mito-Esculetin inhibits PAI-1 activity, regulates miRNA, and induces phosphorylation of IRS and AKT. Mito-Esculetin suppresses oxidant-induced endothelial dysfunction, Ang-II (HY-13948)- and high glucose-induced atherosclerotic plaque formation, Palmitate (HY-N0830)-induced insulin resistance, as well as high glucose-mediated endothelial cell senescence and inflammatory responses. Mito-Esculetin reduces body weight and non-esterified fatty acid (NEFA) levels. Mito-Esculetin can be used in research related to acute coronary syndrome, type 2 diabetes, and hyperglycemia-induced atherosclerosis[1][2].

In Vitro

Mito-Esculetin (10 μM; 10 min) inhibits the activity of recombinant PAI-1 in cell-free biochemical assays[1].
Mito-Esculetin (2.5 μM; 2 h pretreatment) significantly inhibits PAI-1 activity and mRNA expression in lipopolysaccharide (LPS)-induced human aortic endothelial cells (HAECs), and its efficacy is stronger than that of the parent compound Esculetin (HY-N0284)[1].
Mito-Esculetin (2.5 μM; 2 h) inhibits lipopolysaccharide (LPS)-induced phosphorylation of STAT3Tyr-705 in human aortic endothelial cells (HAECs)[1].
Mito-Esc (1.25 μM; 6 h) inhibits gluconeogenesis, restores the insulin signaling pathway, enhances glucose uptake, and promotes GLUT4 translocation in palmitate-induced insulin-resistant HepG2 cells[2].
Mito-Esc (1.25 μM; 1 h pre-incubation) inhibits high glucose-induced adhesion between monocytes and HAEC[2].
Mito-Esc (1.25 μM; 1 h pre-incubation) attenuates high glucose-induced senescence and oxidative stress, restores the AMPK-eNOS-SIRT1 signaling pathway in HAECs, and this effect depends on functionally intact AMPK and SIRT1[2].

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

ELISA Assay[1]

Cell Line: Human aortic endothelial cells (HAECs)
Concentration: 2.5 μM
Incubation Time: 2 h pretreatment, followed by 4 h LPS co-incubation
Result: Significantly inhibited LPS-induced PAI-1 activity in conditioned medium.
Significantly reduced LPS-induced PAI-1 transcript levels.
Exerted a more pronounced inhibitory effect than parent esculetin.

Western Blot Analysis[1]

Cell Line: Human aortic endothelial cells (HAECs)
Concentration: 2.5 μM
Incubation Time: 2 h pretreatment, followed by 4 h LPS co-incubation
Result: Greatly inhibited LPS-induced increases in phospho-STAT3 (Tyr-705) protein levels.
In Vivo

Mito-Esculetin (0.5 mg/kg; p.o.; daily; 2 months) significantly attenuates Ang-II-induced PAI-1 and miR-19b levels while restoring miR-30c levels in ApoE-/- mice with atherosclerosis[1].
Mito-Esculetin (0.312-1.25 mg/kg; p.o.; daily; 30 days) administered orally to db/db mice dose-dependently improves glucose homeostasis, insulin resistance, liver function, adipose tissue health, and hyperglycemia-induced atherosclerosis by reducing inflammation, senescence, and oxidative stress, with the 1.25 mg/kg dose showing the greatest efficacy[2].

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

Animal Model: ApoE-/- (2-month-old male, Angiotensin II-induced atherosclerosis)[1]
Dosage: 0.5 mg/kg
Administration: p.o.; daily; 2 months
Result: Significantly inhibited Ang-II-induced plasma PAI-1 levels.
Repressed Ang-II-mediated elevation of aortic miR-19b levels.
Restored Ang-II-reduced aortic miR-30c levels.
Animal Model: db/db (4-month-old male/female; spontaneous hyperglycemia, insulin resistance, dyslipidemia)[2]
Dosage: 0.312 mg/kg; 0.625 mg/kg; 1.25 mg/kg
Administration: p.o.; daily; 30 days
Result: Significantly reduced fasting and random blood glucose levels, and HbA1c levels relative to db/db controls.
Normalized serum insulin levels, and increased the quantitative insulin sensitivity check (QUICK) index dose-dependently.
Dose-dependently improved liver tissue morphology, reduced serum AST and ALT levels, decreased liver LDL-cholesterol and triglyceride levels, increased liver glycogen content, inhibited liver fructose-1,6-bisphosphatase (FBPase) activity, and reduced liver non-esterified free fatty acid (NEFA) levels relative to db/db controls.
Dose-dependently reduced adipocyte hypertrophy and lipid accumulation in adipose tissue relative to db/db controls, with greater reduction than simvastatin and pioglitazone.
Dose-dependently reduced aortic lesion area, collagen accumulation, and lipid accumulation relative to db/db controls; 0.625 and 1.25 mg/kg doses showed greater reduction than simvastatin and pioglitazone.
Significantly reduced serum LDL-cholesterol and triglyceride levels dose-dependently, while HDL levels were unchanged.
Significantly reduced mean arterial blood pressure.
Dose-dependently reduced aortic VCAM-1, ICAM-1, and MAC3 expression, normalized M1/M2 macrophage marker transcript levels in aorta, and reduced serum TNF-α, IL-1β, IL-6, IL-10, and MCP-1 levels relative to db/db controls; the 1.25 mg/kg dose showed greater reduction in TNF-α, IL-6, and MCP-1 than simvastatin and pioglitazone.
Dose-dependently reduced aortic transcript levels of senescence markers p16, p21, p27, and p53, restored aortic phospho-AMPK, phospho-eNOS, and SIRT1 protein levels, and increased serum GSH and nitrite/nitrate levels relative to db/db controls.
Molecular Weight

631.54

Formula

C35H36BrO4P

CAS No.
SMILES

O=C1OC2=C(C(CCCCCCCC[P+](C3=CC=CC=C3)(C4=CC=CC=C4)C5=CC=CC=C5)=C1)C=C(O)C(O)=C2.[Br-]

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Mito-Esculetin
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HY-184265
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