Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Hormonal Regulation01:40

Hormonal Regulation

37.6K
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.
37.6K
Hormonal Regulation01:33

Hormonal Regulation

30.4K
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.
30.4K
Intracellular Hormone Receptors01:08

Intracellular Hormone Receptors

45.9K
Lipid-soluble hormones diffuse across the plasma and nuclear membrane of target cells to bind to their specific intracellular receptors. These receptors act as transcription factors that regulate gene expression and protein synthesis in the target cell
45.9K
Regulation of Metabolism01:19

Regulation of Metabolism

9.1K
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...
9.1K
Metabolism of Chemolithotrophs01:15

Metabolism of Chemolithotrophs

1.3K
Chemolithotrophs are microorganisms that obtain energy by oxidizing inorganic molecules such as hydrogen gas (H₂), ammonia (NH₃), reduced sulfur compounds (H₂S, S²⁻), and ferrous iron (Fe²⁺). Unlike heterotrophic organisms that rely on organic carbon, chemolithotrophs transfer electrons from these inorganic donors to the electron transport chain (ETC), generating a proton motive force (PMF) that drives ATP synthesis through oxidative phosphorylation.
1.3K
Hormones and Bone Tissue01:17

Hormones and Bone Tissue

3.5K
The endocrine system produces and secretes hormones, which interact with the skeletal system. These hormones control bone growth, maintain bone once it is formed, and remodel it.
Hormones That Influence Osteoblasts and/or Maintain the Matrix
Several hormones are necessary for controlling bone growth and maintaining the bone matrix. The pituitary gland secretes growth hormone (GH), which, as its name implies, controls bone growth. This happens in several ways: first, it triggers chondrocyte...
3.5K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Vascular Aging.

Circulation·2026
Same author

Allyl-substituted ALT001 promotes alternative mitophagy and improves therapeutic outcomes in Alzheimer's disease models.

Scientific reports·2026
Same author

SenSet defines cell-type specific senescence signatures in the aged human lung.

The EMBO journal·2026
Same author

Fueling the fire: metabolic dysfunction and senescence as drivers of lung aging and disease.

Physiological reviews·2026
Same author

Suppression of interferon signaling via small-molecule modulation of TFAM.

eLife·2026
Same author

Evaluation of statistical differential analysis methods for identification of senescent cells using single-cell transcriptomics.

Cell reports methods·2026
Same journal

AARS1 promotes tumor progression and immune evasion via ATF6 lactylation-mediated tryptophan metabolism in hepatocellular carcinoma.

Cell metabolism·2026
Same journal

Reactive species as regulators of immune cell metabolism, tolerance, and autoimmunity.

Cell metabolism·2026
Same journal

The interplay between the microbiome and immune cells in metabolic homeostasis and disease.

Cell metabolism·2026
Same journal

The metabolic basis of regulated cell death.

Cell metabolism·2026
Same journal

Gut microbiota-derived lysine phenylacetylation impairs mitochondrial function and is alleviated by SIRT3.

Cell metabolism·2026
Same journal

Methionine-supplemented longevity diet increases growth hormone, GLP-1, and FGF21; reduces frailty; and promotes healthspan.

Cell metabolism·2026
See all related articles

Related Experiment Video

Updated: May 2, 2026

Measuring Skeletal Muscle Thermogenesis in Mice and Rats
07:56

Measuring Skeletal Muscle Thermogenesis in Mice and Rats

Published on: July 27, 2022

2.7K

Mitohormesis.

Jeanho Yun1, Toren Finkel2

  • 1Center for Molecular Medicine, National Heart, Lung and Blood Institute, NIH, Bethesda, MD 20892, USA; Department of Biochemistry and Mitochondria Hub Regulation Center, College of Medicine, Dong-A University, Busan 602-714, South Korea.

Cell Metabolism
|February 25, 2014
PubMed
Summary
This summary is machine-generated.

Mitochondria, once seen as simple energy producers, are now understood to trigger cellular defense pathways. This stress response, called mitohormesis, enhances cell resilience and may explain aging.

More Related Videos

Author Spotlight: New Insights into PBMC Mitochondrial Responses Using Fluorespirometry
07:18

Author Spotlight: New Insights into PBMC Mitochondrial Responses Using Fluorespirometry

Published on: May 24, 2024

2.0K
Measurements of Physiological Stress Responses in C. Elegans
10:36

Measurements of Physiological Stress Responses in C. Elegans

Published on: May 21, 2020

14.0K

Related Experiment Videos

Last Updated: May 2, 2026

Measuring Skeletal Muscle Thermogenesis in Mice and Rats
07:56

Measuring Skeletal Muscle Thermogenesis in Mice and Rats

Published on: July 27, 2022

2.7K
Author Spotlight: New Insights into PBMC Mitochondrial Responses Using Fluorespirometry
07:18

Author Spotlight: New Insights into PBMC Mitochondrial Responses Using Fluorespirometry

Published on: May 24, 2024

2.0K
Measurements of Physiological Stress Responses in C. Elegans
10:36

Measurements of Physiological Stress Responses in C. Elegans

Published on: May 21, 2020

14.0K

Area of Science:

  • Cell Biology
  • Molecular Biology
  • Aging Research

Background:

  • Mitochondria were historically viewed as independent organelles crucial for cellular energy production.
  • Emerging evidence highlights mitochondria's integration into cellular signaling networks.
  • Mitochondrial dysfunction is implicated in various age-related diseases.

Purpose of the Study:

  • To explore the concept of mitohormesis, a cellular response to mitochondrial stress.
  • To understand how mitochondrial stress impacts nuclear gene expression and cellular resilience.
  • To investigate the potential role of mitohormesis in aging and disease susceptibility.

Main Methods:

  • Investigated cellular signaling pathways activated by mitochondrial stress.
  • Analyzed changes in nuclear gene expression following mild mitochondrial perturbations.
  • Utilized various model organisms to study the mitohormesis phenomenon.

Main Results:

  • Mild mitochondrial stress rapidly activates cytosolic signaling pathways.
  • These pathways lead to alterations in nuclear gene expression.
  • Pre-conditioning cells to mild stress enhances their resistance to subsequent challenges.

Conclusions:

  • Mitochondria are integral components of cellular signaling, not just energy producers.
  • The mitohormesis response confers cellular resilience.
  • Understanding mitohormesis may offer insights into aging and disease.