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编 号：F450335
分子式：C26H45NO21
分子量：707.63
分子式：C26H45NO21
分子量：707.63
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CAS No: 75645-24-8
产品详情
生物活性：
Gangliotetraose (Gg4) is a tetrasccharide, exhibits major components including GM1 and its sialylated derivatives. GM1 facilitates efflux of nuclear Ca2+ and reduces the level of nuclear Ca2+ that characterizes the differentiated neuron. GM1 affects neuronal plasticity and repair mechanisms, as well as neurotrophin release in the brain.
体内研究：
Gangliotetraose (GM1) (30 mg/kg; i.p.; 5, 11, 42, and 73 d) stimulates the regeneration of nigrostriatal dopaminergic neurons in the central nervous system of rats after unilateral hemitransection.Animal Model:Unilateral semi-transection model in Sprague-Dawley rats (170-190 g)
Dosage:5 mg/kg; 30 mg/kg
Administration:Intraperitoneal injection; 5, 11, 42, 73 days; started on day 2 after surgery and finished 24 h before sacrifice
Result:Increased the Vmax of tyrosine hydroxylase (TH) in the lesioned side starting on day 14 dose-dependently with 73% (5 mg/kg/d) and 85% (30 mg/kg/d) of that of the unlesioned side, respectively.
体外研究：
Gangliotetraose (GM1) (10 μM; 1 h) increases the viability of pheochromocytoma PC12 cells exposed to hydrogen peroxide (1 mM; 2 h) and diminishes the accumulation of reactive oxygen species and oxidative inactivation of Na+, K+-ATPase. Gangliotetraose (GM1) (100 nM and 10 μM; ) increases the basal activity of Akt and ERK1/2, without changing Akt activity in PC12 cells exposed to hydrogen peroxide.Gangliotetraose (GM1) (50 μM; 24 h) binds the midportion of Aβ to produce Aβ oligomers, GM1 bound Aβ (GAβ). GAβ is endogenously generated in the brain and accelerates Aβ assembly by acting as a seed.
Gangliotetraose (Gg4) is a tetrasccharide, exhibits major components including GM1 and its sialylated derivatives. GM1 facilitates efflux of nuclear Ca2+ and reduces the level of nuclear Ca2+ that characterizes the differentiated neuron. GM1 affects neuronal plasticity and repair mechanisms, as well as neurotrophin release in the brain.
体内研究：
Gangliotetraose (GM1) (30 mg/kg; i.p.; 5, 11, 42, and 73 d) stimulates the regeneration of nigrostriatal dopaminergic neurons in the central nervous system of rats after unilateral hemitransection.Animal Model:Unilateral semi-transection model in Sprague-Dawley rats (170-190 g)
Dosage:5 mg/kg; 30 mg/kg
Administration:Intraperitoneal injection; 5, 11, 42, 73 days; started on day 2 after surgery and finished 24 h before sacrifice
Result:Increased the Vmax of tyrosine hydroxylase (TH) in the lesioned side starting on day 14 dose-dependently with 73% (5 mg/kg/d) and 85% (30 mg/kg/d) of that of the unlesioned side, respectively.
体外研究：
Gangliotetraose (GM1) (10 μM; 1 h) increases the viability of pheochromocytoma PC12 cells exposed to hydrogen peroxide (1 mM; 2 h) and diminishes the accumulation of reactive oxygen species and oxidative inactivation of Na+, K+-ATPase. Gangliotetraose (GM1) (100 nM and 10 μM; ) increases the basal activity of Akt and ERK1/2, without changing Akt activity in PC12 cells exposed to hydrogen peroxide.Gangliotetraose (GM1) (50 μM; 24 h) binds the midportion of Aβ to produce Aβ oligomers, GM1 bound Aβ (GAβ). GAβ is endogenously generated in the brain and accelerates Aβ assembly by acting as a seed.
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