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関連する概念動画

Circadian Rhythms and Gene Regulation02:19

Circadian Rhythms and Gene Regulation

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The biological clock is involved in many aspects of regulating complex physiology in all animals. It was in 1935 when German zoologists, Hans Kalmus and Erwin Bünning, discovered the existence of circadian rhythm in Drosophila melanogaster. However, the internal molecular mechanisms behind the circadian clock remained a mystery until 1984, when Jeffrey C. Hall, Michael Rosbash, and Michael W. Young discovered the expression of the Per gene oscillating over a 24-hour cycle. In subsequent...
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Chronopharmacokinetics: Circadian Rhythms and Influence on Drug Response01:15

Chronopharmacokinetics: Circadian Rhythms and Influence on Drug Response

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Circadian rhythms are cyclic changes that are crucial in plasma drug concentrations. Various standard circadian parameters, including core body temperature, heart rate, and other cardiovascular factors, directly impact disease states and the therapeutic response to drug therapy.
The time of drug administration is an important factor to consider, as it can influence the toxic dose of a drug. For example, a study conducted by Prins et al. in 1997 examined the effects of the timing of...
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Cross-bridge Cycle01:26

Cross-bridge Cycle

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As muscle contracts, the overlap between the thin and thick filaments increases, decreasing the length of the sarcomere—the contractile unit of the muscle—using energy in the form of ATP. At the molecular level, this is a cyclic, multistep process that involves binding and hydrolysis of ATP, and movement of actin by myosin.
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Understanding Sleep01:11

Understanding Sleep

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Sleep, an essential biological state, involves significant reductions in physical activity, sensory awareness, and interaction with the environment. This complex physiological process is primarily regulated by specific brain regions, notably the hypothalamus and pons, which govern the sleep-wake cycle or circadian rhythm.
The circadian rhythm, a nearly 24-hour cycle, is deeply influenced by environmental light cues. Light exposure directly affects the hypothalamus, which in turn regulates...
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Sleep-Wake Cycles01:24

Sleep-Wake Cycles

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Sleep is an essential physiological process vital to maintaining overall well-being. The reticular activating system (RAS), a network of neurons in the brainstem, regulates wakefulness and sleep. While it may seem passive, sleep consists of distinct cycles, each with its unique characteristics and functions. Two key sleep phases are non-rapid eye movement (NREM) and  rapid eye movement (REM).
NREM Sleep
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Relaxation of Skeletal Muscles01:29

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The period of muscle contraction primarily influences the duration of stimulation at the neuromuscular junction (NMJ), the presence of free calcium ions in the sarcoplasm, and the availability of energy or ATP to support contractions.
When an action potential reaches the axon terminal, it depolarizes the membrane and opens voltage-gated sodium channels. Sodium ions enter the cell, further depolarizing the presynaptic membrane. This depolarization causes voltage-gated calcium channels to open....
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関連する実験動画

Updated: Sep 9, 2025

Parallel Measurement of Circadian Clock Gene Expression and Hormone Secretion in Human Primary Cell Cultures
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シルカディアンリズムと筋肉機能

Hyeon-Ki Kim1,2, Shigenobu Shibata3,4

  • 1National Institute of Biomedical Innovation, Health and Nutrition, Osaka, Japan.

Advances in experimental medicine and biology
|August 29, 2025
PubMed
まとめ
この要約は機械生成です。

体内の時計が 骨格の筋肉の機能を 調節するので 規則的な生活リズムが 健康に不可欠です 運動はこの時計に影響し 筋肉のパフォーマンスとタイミングに影響します

キーワード:
クロノ・エクササイズシルカディアンリズム筋肉時計筋肉の機能

さらに関連する動画

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関連する実験動画

Last Updated: Sep 9, 2025

Parallel Measurement of Circadian Clock Gene Expression and Hormone Secretion in Human Primary Cell Cultures
06:53

Parallel Measurement of Circadian Clock Gene Expression and Hormone Secretion in Human Primary Cell Cultures

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科学分野:

  • クロノバイオロジー
  • 骨格筋の生理学
  • 運動科学

背景:

  • 哺乳類の時計遺伝子の発見は 体内時計の生理学的役割を明らかにしました 健康に不可欠な ~24時間のリズムです
  • 骨格の筋肉の機能は,この内部時計によって大きく影響を受け,2300以上の遺伝子が,肌形成,転写,代謝に関与している.

研究 の 目的:

  • 骨格筋の機能における 内時計の調節作用を探求する.
  • 運動が骨格筋の内時計に及ぼす影響を調べるため
  • 運動が骨格筋に与える影響について

主な方法:

  • 骨格筋における昼夜リズムに関する文献レビュー.
  • 筋肉の昼夜調節に関連する遺伝子発現パターンの分析.
  • 運動介入と筋肉の時計への影響について

主要な成果:

  • 内時計は,骨格筋の重要な機能,すなわち 筋形成,転写,代謝を制御する.
  • 骨格筋の重要な数の遺伝子 (> 2300) は昼夜リズムを示している.
  • 運動は,骨格筋の内時計を調節する要因として特定されています.

結論:

  • 定期的な生活リズムを維持することは,骨格の筋肉の健康に不可欠です.
  • 骨格筋の内部時計は 生理学的プロセスにおいて重要な役割を果たします
  • 運動は,骨格の筋肉の時計のタイミングと調節に影響を与え,パフォーマンスと健康に影響を与えます.