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Related Concept Videos

Regulation of Metabolism01:19

Regulation of Metabolism

Cellular needs and conditions vary from cell to cell and change within individual cells over time. For example, the required enzymes and energetic demands of stomach cells are different from those of fat storage cells, skin cells, blood cells, and nerve cells. Furthermore, a digestive cell works much harder to process and break down nutrients during the time that closely follows a meal compared with many hours after a meal. As these cellular demands and conditions vary, so do the amounts and...
Regulation of Hormone Secretion01:19

Regulation of Hormone Secretion

Regulation of hormone secretion is a finely tuned orchestration driven by various types of stimuli, encompassing neural, humoral, and hormonal signals. Environmental cues instigate neural stimuli, where action potentials traverse nerve fibers to reach their designated targets. An illustrative scenario is the body's response to stress, wherein the sympathetic nervous system releases epinephrine from the adrenal glands, inducing the well-known 'fight or flight' reaction.
Humoral stimuli,...
Plant Hormones01:56

Plant Hormones

Plant hormones—or phytohormones—are chemical molecules that modulate one or more physiological processes of a plant. In animals, hormones are often produced in specific glands and circulated via the circulatory system. However, plants lack hormone-producing glands.
Target Cell Response to Hormones01:22

Target Cell Response to Hormones

Hormones intricately bind to receptors on the surface or within target cells, initiating a cascade of cellular responses.
Notably, the cellular response can be regulated by altering the number of receptors expressed in the cell. For example, prolonged exposure to elevated hormone levels results in a gradual decline or down-regulation in the number of receptors for that specific hormone on the cell surface. Conversely, in response to low hormone levels, cells may use up-regulation, producing an...
Hormonal Regulation01:33

Hormonal Regulation

The renin-aldosterone system is an endocrine system which guides the renal absorption of water and electrolytes, thus managing blood pressure and osmoregulation. Activation of the system begins in the kidneys with a small cluster of cells adjacent to the afferent and efferent blood vessels of the renal corpuscle. As the nephrons are filtering blood, juxtaglomerular cells monitor blood pressure. If they detect a decrease in pressure, they release the hormone renin into the bloodstream.
Hormonal Regulation01:40

Hormonal Regulation

Hormones regulate a significant portion of digestion through activation of the neuroendocrine system. The neuroendocrine system of digestion contains many different hormones all with multiple functions that are both, directly and indirectly, involved in digestion.

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Related Experiment Video

Updated: Jul 3, 2026

Behavioral and Network Pharmacology-Based Analyses for the Traditional Mongolian Medicine Zadi-5 in a Rat Model of Depression
07:58

Behavioral and Network Pharmacology-Based Analyses for the Traditional Mongolian Medicine Zadi-5 in a Rat Model of Depression

Published on: February 24, 2023

Hormesis and medicine.

Edward J Calabrese1

  • 1Department of Public Health, Environmental Health Sciences, Morrill I, N344, University of Massachusetts, Amherst, MA 01003, USA. edwardc@schoolph.umass.edu

British Journal of Clinical Pharmacology
|July 30, 2008
PubMed
Summary
This summary is machine-generated.

The hormetic dose-response model is fundamental across biology and medicine. This concept applies to numerous clinical applications, demonstrating its broad utility in understanding biological responses to various agents.

Related Experiment Videos

Last Updated: Jul 3, 2026

Behavioral and Network Pharmacology-Based Analyses for the Traditional Mongolian Medicine Zadi-5 in a Rat Model of Depression
07:58

Behavioral and Network Pharmacology-Based Analyses for the Traditional Mongolian Medicine Zadi-5 in a Rat Model of Depression

Published on: February 24, 2023

Area of Science:

  • Biological Sciences
  • Biomedical Sciences
  • Pharmacology

Background:

  • The dose-response relationship is critical in biology and medicine.
  • Understanding these relationships aids in predicting biological effects.
  • The hormetic model offers a specific framework for dose-response analysis.

Purpose of the Study:

  • To establish the hormetic dose-response model as a fundamental concept.
  • To demonstrate the generalizability of hormesis across diverse biological systems and agents.
  • To highlight the wide-ranging clinical applications of hormesis.

Main Methods:

  • Review and synthesis of existing evidence supporting the hormetic model.
  • Analysis of the generalizability of hormesis across different biological models, endpoints, and agents.
  • Compilation of applications of hormesis in various clinical medicine fields.

Main Results:

  • The hormetic dose-response model is the most common and fundamental in biological and biomedical sciences.
  • Hormesis is highly generalizable across biological models, measured endpoints, chemical classes, and physical agents.
  • Numerous clinical applications of hormesis are identified.

Conclusions:

  • The hormetic dose-response model is a unifying and fundamental principle in life sciences.
  • Hormesis has broad applicability and significant implications for clinical medicine.
  • Further research into hormesis can lead to novel therapeutic strategies.