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関連する概念動画

Neurons as Communicators of the Brain01:22

Neurons as Communicators of the Brain

Neurons, the fundamental units of the brain and nervous system, function as the primary transmitters of information throughout the body. Their ability to communicate through electrical and chemical signals is vital for every bodily function, from regulating the heartbeat to processing complex thoughts. Each neuron has three main components: the cell body (soma), dendrites, and an axon, each specialized to facilitate swift and efficient neural communication.
Cell Body
The cell body, also known...
Translation01:31

Translation

Lesson: Translation
Translation is the process of synthesizing proteins from the genetic information carried by messenger RNA (mRNA). Following transcription, it constitutes the final step in the expression of genes. This process is carried out by ribosomes, complexes of protein and specialized RNA molecules. Ribosomes, transfer RNA (tRNA), and other proteins produce a chain of amino acids—the polypeptide—as the end product of translation.
Translation Produces the Building Blocks of Life
Translation01:31

Translation

Lesson: Translation
Translation is the process of synthesizing proteins from the genetic information carried by messenger RNA (mRNA). Following transcription, it constitutes the final step in the expression of genes. This process is carried out by ribosomes, complexes of protein and specialized RNA molecules. Ribosomes, transfer RNA (tRNA), and other proteins produce a chain of amino acids—the polypeptide—as the end product of translation.
Translation Produces the Building Blocks of Life
Classification of Neurotransmitters01:30

Classification of Neurotransmitters

Neurotransmitters play a crucial role in the communication between neurons in the autonomic nervous system. Neurons in the autonomic nervous system can be cholinergic or adrenergic depending on the neurotransmitters synthesized. Cholinergic neurons use acetylcholine as their primary neurotransmitter. This includes all the preganglionic fibers of the sympathetic and pre- and postganglionic fibers of the parasympathetic nervous systems. In addition, neurons of the somatic nervous system also use...
Neurotransmitters01:30

Neurotransmitters

Neurotransmitters play a crucial role in the communication between neurons in the autonomic nervous system. Neurons in the autonomic nervous system can be cholinergic or adrenergic depending on the neurotransmitters synthesized. Cholinergic neurons use acetylcholine as their primary neurotransmitter. This includes all the preganglionic fibers of the sympathetic and pre- and postganglionic fibers of the parasympathetic nervous systems. In addition, neurons of the somatic nervous system also use...
Excitatory and Inhibitory Effects of Neurotransmitters01:29

Excitatory and Inhibitory Effects of Neurotransmitters

When an action potential reaches the presynaptic axon terminal, it releases neurotransmitters from the neuron into the synaptic cleft at a chemical synapse. The released neurotransmitter can be excitatory or inhibitory. The critical criteria commonly used to determine whether a molecule is a neurotransmitter at a chemical synapse are the molecule's presence in the presynaptic neuron. Second, its release is in response to strong presynaptic depolarization. And lastly, the presence of specific...

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Updated: Jun 28, 2026

In vivo Interrogation of Central Nervous System Translatome by Polyribosome Fractionation
09:13

In vivo Interrogation of Central Nervous System Translatome by Polyribosome Fractionation

Published on: April 30, 2014

自閉症のニューロン: 翻訳のトラブル?

Raymond J Kelleher1, Mark F Bear

  • 1Center for Human Genetic Research, Harvard-Partners Center for Genetics and Genomics, Massachusetts General Hospital, Program in Neuroscience and Department of Neurology, Harvard Medical School, Boston, MA 02115, USA. kelleher@helix.mgh.harvard.edu

Cell
|November 6, 2008
PubMed
まとめ

複雑な遺伝疾患である自閉症は,シナプスタンパク質合成の問題から生じる可能性があります. この経路は,認知の変化や賢明な能力のような自閉症の特徴を説明する可能性がある.

科学分野:

  • 神経科学は神経科学である.
  • 遺伝学 遺伝学とは
  • 発達生物学 発達生物学について

背景:

  • 自閉症は,重要な遺伝的要素を持つ複雑な神経発達障害です.
  • 単一遺伝子の疾患は,自閉症の病原性を理解する役割としてますます認識されています.
  • 新興の証拠は,自閉症における分子欠陥をシナプス機能の障害と関連付けています.

研究 の 目的:

  • 異常なシナプスタンパク質合成を,自閉症に寄与する潜在的な分子経路として提案する.
  • シナプスタンパク質合成の欠陥と自閉症の現象型との関係を調査する.
  • これらの分子変化が,自閉症における認知障害と賢明な能力にどのようにつながるかを調査する.

主な方法:

  • この研究は主に理論的であり,既存の証拠を合成しています.
  • それは,自閉症の遺伝的要因に関する現在の研究をレビューしています.
  • それは,シナプス機能とタンパク質合成の基礎となる分子機構を分析します.

主要な成果:

  • 単一遺伝子の欠陥は,自閉症の根本的なメカニズムを研究するための貴重なモデルを提供します.
  • シナプスタンパク質合成に影響を与える分子欠陥は,自閉症に関連しています.

さらに関連する動画

Isolation and Quantification of Axonal mRNAs Using Porous Membrane Inserts and RTddPCR
07:06

Isolation and Quantification of Axonal mRNAs Using Porous Membrane Inserts and RTddPCR

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Dynamic Clamp Methods to Investigate Impaired Neuronal Excitability Associated with Autism
08:44

Dynamic Clamp Methods to Investigate Impaired Neuronal Excitability Associated with Autism

Published on: October 17, 2025

関連する実験動画

Last Updated: Jun 28, 2026

In vivo Interrogation of Central Nervous System Translatome by Polyribosome Fractionation
09:13

In vivo Interrogation of Central Nervous System Translatome by Polyribosome Fractionation

Published on: April 30, 2014

Isolation and Quantification of Axonal mRNAs Using Porous Membrane Inserts and RTddPCR
07:06

Isolation and Quantification of Axonal mRNAs Using Porous Membrane Inserts and RTddPCR

Published on: February 6, 2026

Dynamic Clamp Methods to Investigate Impaired Neuronal Excitability Associated with Autism
08:44

Dynamic Clamp Methods to Investigate Impaired Neuronal Excitability Associated with Autism

Published on: October 17, 2025

  • 異常なシナプスタンパク質合成は,自閉症の現象型を統合する経路として提案されています.

    • 結論:

    • シナプスタンパク質合成の欠陥は,自閉症に寄与する合理的なメカニズムを表しています.
    • この経路は,認知的,社会的差異を含む多様な自閉症現象の根底にある可能性があります.
    • 自閉症におけるシナプスタンパク質合成に関するさらなる研究が必要である.