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Complement System01:27

Complement System

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The complement system is a group of approximately 20 plasma proteins that strengthen the body's defenses against infections through opsonization, inflammation, and cell lysis. Opsonization involves coating pathogens with complement proteins, making them more recognizable and facilitating phagocyte engulfment. Certain complement proteins induce inflammation that attracts immune cells to the site of infection. Cell lysis involves the destruction of pathogens through the formation of a...
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Long-term Depression01:03

Long-term Depression

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Long-term depression, or LTD, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTD is the process of synaptic weakening that occurs over time between pre and postsynaptic neuronal connections. The synaptic weakening of LTD works in opposition to synaptic strengthening by long-term potentiation (LTP) and together are the main mechanisms that underlie learning and memory.
Calcium Ion Concentration Mechanism
If over...
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Disorders of the Nervous Tissue01:28

Disorders of the Nervous Tissue

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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...
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Language and Cognition01:27

Language and Cognition

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Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
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Complementation Tests00:49

Complementation Tests

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A complementation test is a simple cross to identify whether the two mutations are located on the same gene or different genes. It was first performed by Edward Lewis in the 1940s while working on fruit flies. He developed the test to identify the location and arrangement of different mutations on chromosomes.
Organisms heterozygous for different mutations are crossed pairwise in all combinations. If present on different genes, the mutations can complement each other by providing the missing...
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Updated: Sep 10, 2025

A Model of Epileptogenesis in Rhinal Cortex-Hippocampus Organotypic Slice Cultures
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A Model of Epileptogenesis in Rhinal Cortex-Hippocampus Organotypic Slice Cultures

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補足 カスケード と 脳 の 障害

Ivana Jovčevska1, Alja Videtič Paska1, Katarina Kouter2

  • 1Institute of Biochemistry and Molecular Genetics, Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia.

Biomolecules
|August 28, 2025
PubMed
まとめ

免疫に欠かせない補完系は 脳の健康と病気に 二重の役割を果たします アルツハイマー病,統合失調症,および膠原腫に 関与していることが研究で示され,治療の可能性を示唆しています.

科学分野:

  • 神経科学
  • 免疫学
  • 腫瘍学

背景:

  • 補完系は先天的な免疫の重要な部分で 病原体防御を超えて 役割が生まれています
  • 神経の発達,神経変性,がんの進行に 関与していることがますます認められています.

研究 の 目的:

  • アルツハイマー病,統合失調症,および膠原腫におけるコンプリメントシステムの関与と失調をレビューする.
  • 中枢神経系 (CNS) における補完体の保護と病原性の二重な役割を要約する.

主な方法:

  • 中枢神経系関連疾患における補足系に関する研究に関する包括的な文献レビュー.

主要な成果:

  • コンプリメントの活性化は,神経炎症,シナプス喪失,そしてアルツハイマー病における神経細胞死亡に寄与する.
  • グリオブラストーマでは,補完体が腫瘍の成長,免疫回避,および治療抵抗性を高めます.
  • C4Aのような補完体の遺伝的変異はシナプス剪定異常と統合失調症の感受性に関連しています

結論:

  • 補完系は中枢神経系において 複雑で二重な役割を担っており 病理の保護者と仲介者として機能します
  • 神経退行性,腫瘍性,精神疾患における 正確な機能を理解することは 極めて重要です
キーワード:
補足システム免疫性について免疫システム生まれつきの免疫神経変性神経学腫瘍学精神疾患

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  • 中枢神経系疾患の治療には コンプリメント系をターゲットにすることがあり 臨床的な翻訳にはさらなる研究が必要です