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Desynchronization of Theta Oscillations in Prefrontal Cortex during Self-stimulation of the Medial Forebrain Bundles in Mice

Hwang E, Lee H, Choi JH

Stimulation of the medial forebrain bundle (MFB) can reinforce intracranial self-stimulation (ICSS) in rodents (i.e., reward-seeking behavior). The MFB stimulation produces a highly reliable behavioral output that enabled a clear...
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Impaired Voluntary Wheel Running Behavior in the Unilateral 6-Hydroxydopamine Rat Model of Parkinson's Disease

Pan Q, Zhang W, Wang J, Luo F, Chang J, Xu R

OBJECTIVE: The aim of this study was to investigate voluntary wheel running behavior in the unilateral 6-hydroxydopamine (6-OHDA) rat model. METHODS: Male Sprague-Dawley rats were assigned to 2 groups : 6-OHDA...
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Spectral Modification by Operant Conditioning of Cortical Theta Suppression in Rats

Roh M, Jang IS, Suk K, Lee MG

OBJECTIVE: Brain activity is known to be voluntarily controllable by neurofeedback, a kind of electroencephalographic (EEG) operant conditioning. Although its efficacy in clinical effects has been reported, it is yet...
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A Rat Model of Striatonigral Degeneration Generated by Simultaneous Injection of 6-Hydroxydopamine into the Medial Forebrain Bundle and Quinolinic Acid into the Striatum

Yoon HH, Kim YH, Shin ES, Jeon SR

A double toxin-double lesion strategy is well-known to generate a rat model of striatonigral degeneration (SND) such as multiple system atrophy-parkinsonian type. However, with this model it is difficult to...
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Differential Activation of Microglia in the Substantia Nigra and Lesioned Site Following Medial Forebrain Bundle Transection

Cho BP, Song DY, Park JC, Lee JS, Park BG, Choi BY, Kang HS

  • KMID: 2224494
  • Korean J Anat.
  • 2004 Aug;37(4):317-327.
Medial forebrain bundle (MFB) transmits the nigrostriatal dopaminergic (DA) axons, and previously we reported that transection of the MFB causes apotosis-like neurodegeneration of nigral DA neurons. On the other hand,...
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Relationship between Microglial Activation and Dopaminergic Neuronal Loss in 6-OHDA-induced Parkinsonian Animal Model

Lee JS, Lee JY, Cho WG, Yang YC, Cho BP

This study assessed the dynamics of morphological and immunophenotypic properties of activated microglia in a 6-hydroxydopamine (6-OHDA) induced Parkinsonian animal model. Neurodegeneration in the substantia nigra pars compacta (SNc) was...
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Neuroglial Proliferative Activity Following Medial Forebrain Bundle Axotomy

Song DY, Park JC, Park BG, Lee JS, Choi BY, Yang YC, Kang HS, Cho BP

  • KMID: 2224495
  • Korean J Anat.
  • 2004 Aug;37(4):329-336.
Changes in morphology, immunophenotypes and proliferative activity of neuroglia are key features in most forms of CNS pathology. We compared proliferative activity of neuroglial cells in response to two different...
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Push-in Head Restraining Apparatus for Intracranial Self Stimulation Tasks in Rats

Roh M, Jang IS, Lee MG

Head restraining is an experimental technique that firmly secures the animal's head to a fixation apparatus for the precise control and sensing of behaviors. However, procedural and surgical difficulties and...
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The Effect of 1, 25-Dihydroxyvitamin D3 on Dopaminergic Neurons and Microglial Activation in Parkinsonian Rat Model Induced by 6-Hydroxydopamine

Ryu SY, Kim JS, Choi YB, Han SR, Park JW, Park SK, Kim YI

  • KMID: 1626910
  • J Korean Neurol Assoc.
  • 2005 Jun;23(3):368-373.
BACKGROUND: Recent studies have shown increasing evidence for microglial activation in neuronal degeneration in Parkinson's disease (PD), although the cause of PD remains unclear. Recent studies have also shown that...
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Lesion of Subthalamic Nucleus in Parkinsonian Rats: Effects of Dopamine D1 and D2 Receptor Agonists on the Neuronal Activities of the Substantia Nigra Pars Reticulata

Park YS, Jeon MF, Lee BH, Chang JW

OBJECTIVE: It was hypothesized that dopamine agonist administration and subthalamic nucleus (STN) lesion in the rat might have a synergistic effect on the neuronal activities of substantia nigra pars reticulata...
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Delayed Treatment of Capsaicin Produces Partial Motor Recovery by Enhancing Dopamine Function in MPP⁺-lesioned Rats via Ciliary Neurotrophic Factor

Kim KI, Baek JY, Jeong JY, Nam JH, Park ES, Bok E, Shin WH, Chung YC, Jin BK

Transient receptor potential vanilloid subtype 1 (TRPV1) on astrocytes prevents ongoing degeneration of nigrostriatal dopamine (DA) neurons in MPP⁺-lesioned rats via ciliary neurotrophic factor (CNTF). The present study determined whether...
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Morphological Changes in the Striatum after Dopaminergic Cell Transplantation to Parkinson's Disease Rat Model

Baek SY, Park SJ, Jung HS, Kim YH, Kim HJ, Moon YS, Kim JW, Kim SU, Yoon S, Kim BS, Kim JB, Kim JJ

  • KMID: 2030743
  • Korean J Anat.
  • 2001 Feb;34(1):95-105.
Parkinson's disease animal model was developed by the destruction of the striatonigral dopaminergic system. The morphological changes in the dopamine depleted striatum after the transplantation of the fetal mesencephalic dopaminergic...
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Enhanced Efficacy of Human Brain-Derived Neural Stem Cells by Transplantation of Cell Aggregates in a Rat Model of Parkinson's Disease

Shin ES, Hwang O, Hwang YS, Suh JK, Chun YI, Jeon SR

OBJECTIVE: Neural tissue transplantation has been a promising strategy for the treatment of Parkinson's disease (PD). However, transplantation has the disadvantages of low-cell survival and/or development of dyskinesia. Transplantation of...
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