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Multiple Sclerosis l: Introduction01:19

Multiple Sclerosis l: Introduction

Multiple sclerosis is a chronic autoimmune disease of the central nervous system (CNS) that affects the brain, spinal cord, and optic nerves. It is an inflammatory demyelinating disorder and a leading cause of neurological disability in young adults.EpidemiologyMS commonly begins between 20 and 40 years of age and is twice as common in women. Its exact cause remains unclear, but genetic susceptibility contributes, with higher risk in first-degree relatives and identical twins. A greater...
Myasthenia Gravis ll: Pathophysiology01:22

Myasthenia Gravis ll: Pathophysiology

The disease process of myasthenia gravis begins at the neuromuscular junction, where antibodies attack key proteins needed for muscle activation. This immune reaction weakens signal transmission, leading to the characteristic muscle fatigue and weakness that define the condition.Immune-Mediated DamageIn most individuals, antibodies target acetylcholine receptors (AChRs) on the postsynaptic membrane of muscle cells. By blocking acetylcholine binding, these antibodies prevent the nerve signal...
Autoimmune Disorders01:29

Autoimmune Disorders

Autoimmune diseases are a group of disorders in which the body's immune system mistakenly attacks its own cells, tissues, and organs. This results from an overactive immune response against substances and tissues normally present in the body. Let's delve into the concept and mechanism of autoimmune diseases from an immune system point of view, explore different causes and examples of such diseases, and discuss potential solutions.
Concept and Mechanism of Autoimmune Diseases
The immune system...
Myasthenia Gravis: Overview and Treatment01:20

Myasthenia Gravis: Overview and Treatment

Myasthenia gravis is a neuromuscular transmission disorder characterized by weakness and increased fatigability of skeletal muscles. It is an autoimmune disease affecting approximately one in 2000 people, where antibodies against the α1 subunit of nicotinic acetylcholine receptors are produced.
These antibodies interfere with the function of the nicotinic receptors in three ways: by binding to the receptor and disrupting acetylcholine binding; by causing cross-linking of receptors which leads...
Disorders of the Nervous Tissue01:28

Disorders of the Nervous Tissue

Nervous tissue is a vital component of the human body's communication system, enabling us to perceive and respond to stimuli. However, like all other tissues, it is vulnerable to disorders and diseases that can significantly impact our neurological functioning.
Homeostatic Imbalances:
Alzheimer's disease manifests as a gradual decline in memory and cognitive abilities, attributed to the buildup of amyloid plaques and neurofibrillary tangles in the brain.
Parkinson's disease arises from the...
Myasthenia Gravis: Diagnostic Tests01:15

Myasthenia Gravis: Diagnostic Tests

Myasthenia gravis is an autoimmune condition affecting neuromuscular transmission, causing generalized weakness in skeletal muscles. Initial diagnoses rely on patients' signs, symptoms, and medical history. The challenge lies in distinguishing myasthenia from other muscular dystrophies. An important diagnostic feature is the significant improvement of symptoms after administering anticholinesterase inhibitors.
The edrophonium test is a diagnostic tool for myasthenia gravis. It involves...

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Updated: Jun 28, 2026

Magnetic Resonance Imaging of Multiple Sclerosis at 7.0 Tesla
08:51

Magnetic Resonance Imaging of Multiple Sclerosis at 7.0 Tesla

Published on: February 19, 2021

多発性硬化症 (MS) が発症しています.

Alastair Compston1, Alasdair Coles

  • 1Department of Clinical Neurosciences, University of Cambridge Clinical School, Addenbrooke's Hospital, Cambridge, UK.

Lancet (London, England)
|October 31, 2008
PubMed
まとめ
この要約は機械生成です。

多発性硬化症は,中枢神経系における炎症と神経変性を含みます. 現在の治療法では再発は管理できるが,長期的な障害の進行は管理できないため,新たな治療戦略が必要となっている.

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Comprehensive Autopsy Program for Individuals with Multiple Sclerosis
09:41

Comprehensive Autopsy Program for Individuals with Multiple Sclerosis

Published on: July 19, 2019

Rat Model of Widespread Cerebral Cortical Demyelination Induced by an Intracerebral Injection of Pro-Inflammatory Cytokines
09:46

Rat Model of Widespread Cerebral Cortical Demyelination Induced by an Intracerebral Injection of Pro-Inflammatory Cytokines

Published on: September 21, 2021

関連する実験動画

Last Updated: Jun 28, 2026

Magnetic Resonance Imaging of Multiple Sclerosis at 7.0 Tesla
08:51

Magnetic Resonance Imaging of Multiple Sclerosis at 7.0 Tesla

Published on: February 19, 2021

Comprehensive Autopsy Program for Individuals with Multiple Sclerosis
09:41

Comprehensive Autopsy Program for Individuals with Multiple Sclerosis

Published on: July 19, 2019

Rat Model of Widespread Cerebral Cortical Demyelination Induced by an Intracerebral Injection of Pro-Inflammatory Cytokines
09:46

Rat Model of Widespread Cerebral Cortical Demyelination Induced by an Intracerebral Injection of Pro-Inflammatory Cytokines

Published on: September 21, 2021

科学分野:

  • 神経科学は神経科学である.
  • 免疫学 免疫学とは
  • 神経学 神経学とは

背景:

  • 多発性硬化症 (MS) は,脱ミエリン化と軸索損傷によって特徴づけられる炎症性中枢神経系疾患です.
  • 初期のMSは,一時的な炎症と不完全なリマイエリネーションを伴い,再発リミッティング神経機能不全につながる.
  • 慢性MSは,マイクログリアル活性化と神経変性により進行し,不可逆的な障害の蓄積を引き起こします.

研究 の 目的:

  • 多発性硬化症の病理的メカニズムと臨床進行をレビューする.
  • 現在の疾病変異剤の有効性を評価する.
  • MSにおけるメカニズムベースの治療戦略の必要性を強調する.

主な方法:

  • 多発性硬化症の病理生理学と治療に関する既存の文献のレビュー.
  • MRI,誘発ポテンシャル,脳脊髄液分析を含むパラクリニカル発見の分析.
  • MSに寄与する遺伝的および環境的要因の議論.

主要な成果:

  • MSの病理学は,一時的な炎症から慢性神経変性への移行である.
  • 準臨床的調査では,炎症的病変,軸索の喪失,および内抗体合成が明らかにされています.
  • 現在の疾病変異剤は,主に再発頻度を低下させ,固定欠陥や長期的な進行に限られた影響を及ぼします.

結論:

  • 将来の多発性硬化症の研究は,治療を改善するためのメカニズムベースの分類に重点を置くべきです.
  • MSのあらゆる段階における神経変性および障害の蓄積に対処するために,新しい治療法が必要である.
  • 遺伝子と環境要因の複雑な相互作用を理解することは,効果的なMS介入の開発に不可欠です.