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Circadian Rhythms and Gene Regulation02:19

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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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Regulation of the Cardiovascular System01:27

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The regulation of the cardiovascular system allows the body to adapt to various demands and maintain homeostasis.
The regulation of the cardiovascular system involves the autonomic nervous system (ANS), baroreceptors, and chemoreceptors, ensuring that heart rate and blood pressure are appropriately modulated in response to varying physiological demands.
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Regulation of Heart Rates01:31

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The regulation of heart rate is a complex process controlled by the autonomic nervous system (ANS), hormonal influences, and intrinsic cardiac mechanisms. The ANS has two main components: the sympathetic nervous system (SNS) and the parasympathetic nervous system (PNS).
The SNS increases heart rate through the release of norepinephrine and epinephrine, which act on beta-1 adrenergic receptors in the heart. This action increases the rate of depolarization in the sinoatrial (SA) node, the heart's...
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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.
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Factors Influencing Heart Rate01:30

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The heart rate, or pulse rate, is a vital indicator of cardiovascular health. It reflects the number of times the heart beats per minute. Various physiological and environmental factors influence heart rate, increasing or decreasing cardiac output. Understanding these factors is crucial for assessing heart function and identifying potential health issues.
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Neural Regulation of Blood Pressure01:18

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The neural regulation of blood pressure involves intricate interactions between the autonomic nervous system (ANS) and cardiovascular system, ensuring adequate perfusion of tissues. This regulation primarily occurs through baroreceptor and chemoreceptor reflexes, involving both short-term and long-term mechanisms.
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Updated: Sep 10, 2025

Monitoring Cell-autonomous Circadian Clock Rhythms of Gene Expression Using Luciferase Bioluminescence Reporters
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[Progreso de la investigación de la interacción entre el RAAS y los genes del reloj en las enfermedades

Rui-Ling Ma1, Yi-Yuan Wang1, Yu-Shun Kou1

  • 1College of Integrated Traditional Chinese and Western Medicine, Gansu University of Chinese Medicine, Lanzhou 730000, China.

Sheng li xue bao : [Acta physiologica Sinica]
|August 26, 2025
PubMed
Resumen
Este resumen es generado por máquina.

El sistema renina-angiotensina-aldosterona (RAAS) y los genes del reloj interactúan, afectando la salud cardiovascular y metabólica. Comprender estos vínculos ofrece nuevas estrategias terapéuticas para enfermedades relacionadas.

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Área de la Ciencia:

  • Fisiología cardiovascular
  • Cronología
  • Regulación del metabolismo

Sus antecedentes:

  • El sistema renina-angiotensina-aldosterona (RAAS) regula la presión arterial y el equilibrio de líquidos.
  • Los genes del reloj son vitales para los ritmos biológicos y el metabolismo.
  • Existe una interacción compleja entre RAAS y los genes del reloj, que potencialmente contribuyen a las enfermedades cardiovasculares y metabólicas.

Objetivo del estudio:

  • Revisar las funciones sinérgicas del RAAS y los genes del reloj en las enfermedades cardiovasculares.
  • Explorar los mecanismos moleculares y las conexiones fisiopatológicas entre estos sistemas.
  • Discutir las aplicaciones de la cronoterapia y las direcciones futuras de la investigación.

Principales métodos:

  • Revisión de la literatura de los estudios existentes sobre el RAAS y las interacciones del gen del reloj.
  • Análisis de los mecanismos moleculares y los vínculos fisiopatológicos.
  • La exploración de la cronoterapia en el contexto de estas interacciones.

Principales resultados:

  • Correlaciones identificadas entre RAAS y genes de reloj en el desarrollo de la enfermedad.
  • Destacó la necesidad de investigar más a fondo los mecanismos específicos de interacción.
  • Resumió el potencial de dirigirse a esta interacción para el beneficio terapéutico.

Conclusiones:

  • La interacción entre RAAS y los genes del reloj es significativa en las enfermedades cardiovasculares y metabólicas.
  • Se necesitan más investigaciones para aclarar los mecanismos específicos y las condiciones patológicas.
  • La cronoterapia presenta una vía potencial para nuevas estrategias de tratamiento.