29 Result(s)
within
Sung Min Nam
English
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Article
The Chronological Characteristics of SOD1 Activity and Inflammatory Response in the Hippocampi of STZ-Induced Type 1 Diabetic Rats
Because it appears that oxidative stress and inflammation are implicated with disease pathogenesis in the diabetic brain, many researchers have used streptozotocin (STZ)-induced diabetic animals to study super...
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Synergistic Effects of Sodium Butyrate, a Histone Deacetylase Inhibitor, on Increase of Neurogenesis Induced by Pyridoxine and Increase of Neural Proliferation in the Mouse Dentate Gyrus
We previously observed that pyridoxine (vitamin B6) significantly increased cell proliferation and neuroblast differentiation without any neuronal damage in the hippocampus. In this study, we investigated the eff...
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Reduced Cell Proliferation and Neuroblast Differentiation in the Dentate Gyrus of High Fat Diet-Fed Mice are Ameliorated by Metformin and Glimepiride Treatment
We investigated the effects of a high-fat diet (HFD) and the subsequent treatment of metformin (met) and glimepiride (glim), which are widely prescribed for type 2 diabetes, on cell proliferation and neuroblas...
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Article
PEP-1-Frataxin Significantly Increases Cell Proliferation and Neuroblast Differentiation by Reducing Lipid Peroxidation in the Mouse Dentate Gyrus
Frataxin plays important roles in the mitochondrial respiratory chain and in the differentiation of neurons during early development. In this study, we observed the effects of frataxin on cell proliferation an...
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Combination Effects of Sodium Butyrate and Pyridoxine Treatment on Cell Proliferation and Neuroblast Differentiation in the Dentate Gyrus of d-Galactose-Induced Aging Model Mice
We previously reported that sodium butyrate (SB), a histone deacetylase inhibitor, robustly increased pyridoxine-induced cell proliferation and neuroblast differentiation in the dentate gyrus of the adult mous...
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Hypothyroid States Mitigate the Diabetes-Induced Reduction of Calbindin D-28k, Calretinin, and Parvalbumin Immunoreactivity in Type 2 Diabetic Rats
In this study, we investigated the differences in calbindin D-28k (CB), calretinin, (CR) and parvalbumin (PV) immunoreactivity in the hippocampus of Zucker diabetic fatty (ZDF) rats and Zucker lean control (ZL...
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Chronic Effects of Pyridoxine in the Gerbil Hippocampal CA1 Region after Transient Forebrain Ischemia
In a previous study, we reported that the administration of pyridoxine (vitamin B6) to mice for 3 weeks significantly increased cell proliferation and neuroblast differentiation in the dentate gyrus without any n...
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Article
Repeated Administration of PEP-1-Cu,Zn-Superoxide Dismutase and PEP-1-Peroxiredoxin-2 to Senescent Mice Induced by d-galactose Improves the Hippocampal Functions
Oxidative stress initiates age-related reduction in hippocampal neurogenesis and the use of antioxidants has been proposed as an effective strategy to prevent or attenuate the reduction of neurogenesis in the ...
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Article
Effects of Treadmill Exercise on Neural Stem Cells, Cell Proliferation, and Neuroblast Differentiation in the Subgranular Zone of the Dentate Gyrus in Cyclooxygenase-2 Knockout Mice
Cyclooxygenase-2 (COX-2) function has been implicated in a number of physiological processes, including inflammatory responses, synaptic transmission, and synaptic plasticity in the brain. However, the specifi...
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Article
Additive or Synergistic Effects of Aluminum on the Reduction of Neural Stem Cells, Cell Proliferation, and Neuroblast Differentiation in the Dentate Gyrus of High-Fat Diet-Fed Mice
Aluminum is the most plentiful metal on the Earth’s crust, and its usage in cooking utensils, cosmetics, drinking containers, food additives, pharmaceutical products, and building materials provides many oppor...
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Article
Tat-DJ-1 Protects Neurons from Ischemic Damage in the Ventral Horn of Rabbit Spinal Cord Via Increasing Antioxidant Levels
The DJ-1 gene is highly conserved in diverse species and DJ-1 is known as an anti-oxidative stress factor. In this study, we investigated the neuroprotective effects of DJ-1 against ischemic damage in the rabb...
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Article
Open AccessCynomorium songaricum extract enhances novel object recognition, cell proliferation and neuroblast differentiation in the mice via improving hippocampal environment
Cynomorium songaricum Rupr. (CS) has been used as a medicine to treat many diseases as well as to alleviate age-related issues, such as memory impairment, dementia, and stress. In this study, we assessed the eff...
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Article
Comparison of N-Methyl-d-aspartate Receptor Subunit 1 and 4-Hydroxynonenal in the Hippocampus of Natural and Chemical-Induced Aging Accelerated Mice
In this study, we compared N-methyl-d-aspartate receptor type 1 (NMDAR1) and 4-hydroxynonenal (4-HNE) in the hippocampus of d-galactose (d-gal)-induced and naturally aging models of mice. These markers represent...
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Open AccessDendropanax morbifera Léveille extract facilitates cadmium excretion and prevents oxidative damage in the hippocampus by increasing antioxidant levels in cadmium-exposed rats
Dendropanax morbifera Léveille is used in herbal medicine as a cancer treatment. In this study, we investigated the effects of Dendropanax morbifera stem extract (DMS) on cadmium (Cd) excretion from the blood an...
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Article
Open AccessPhysical exercise ameliorates the reduction of neural stem cell, cell proliferation and neuroblast differentiation in senescent mice induced by D-galactose
Aging negatively affects adult hippocampal neurogenesis, and exercise attenuates the age-related reduction in adult hippocampal neurogenesis. In the present study, we used senescent mice induced by D-galactose...
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Article
Open AccessValeriana officinalis root extract suppresses physical stress by electric shock and psychological stress by nociceptive stimulation-evoked responses by decreasing the ratio of monoamine neurotransmitters to their metabolites
In this study, we investigate the effects of valerian root extracts (VE) on physical and psychological stress responses by utilizing a communication box.
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Article
Hairy and Enhancer of Split 6 (Hes6) Deficiency in Mouse Impairs Neuroblast Differentiation in Dentate Gyrus Without Affecting Cell Proliferation and Integration into Mature Neurons
Hes6 is a member of the hairy-enhancer of split homolog (Hes) family of transcription factors and interacts with other Hes family genes. During development, Hes genes are expressed in neu...
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Effects of Dendropanax morbifera Léveille extract on hypothyroidism-induced oxidative stress in the rat hippocampus
In this experiment, we verified the effects of Dendropanax morbifera Léveille stem extract (DMS) on hypothyroidism-induced oxidative stress in the hippocampus of rats. Hypothyroidism was induced in rats by treati...
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Differential Effects of Low- and High-dose Zinc Supplementation on Synaptic Plasticity and Neurogenesis in the Hippocampus of Control and High-fat Diet-fed Mice
In the present study, we investigated the concentration-dependent effect of zinc (Zn) supplementation on the adult hippocampus in a high-fat diet (HFD)-fed obese mouse model. Four-weeks after HFD- and control ...
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Article
Ascorbic Acid Ameliorates Gestational Lead Exposure-Induced Developmental Alteration in GAD67 and c-Kit Expression in the Rat Cerebellar Cortex
In the present study, we investigated the effects of ascorbic acid on lead-exposed develo** cerebellum. Female rats were divided into the following three groups: control (distilled water), lead (0.2% lead ac...
