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

Aging01:26

Aging

Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
Major Hormones and Their Functions01:27

Major Hormones and Their Functions

Hormones, the biochemical messengers produced by endocrine glands, are pivotal in regulating bodily functions and maintaining homeostasis. Each hormone's balance is crucial; imbalances can lead to significant physiological disruptions. Major hormones include oxytocin, cortisol, epinephrine, estrogen, testosterone, thyroxine, growth hormone, insulin, and glucagon.
Oxytocin, produced in the hypothalamus and released by the pituitary gland, plays a role in social bonding, childbirth, and lactation.
Hormones and Bone Tissue01:17

Hormones and Bone Tissue

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...
Hypothalamic-Pituitary Axis01:37

Hypothalamic-Pituitary Axis

The response to stress—be it physical or psychological, acute or chronic—involves activation of the Hypothalamic-Pituitary-Adrenal (HPA) axis. The HPA axis is part of the neuroendocrine system because it involves both neuronal and hormonal communication. Its function is to regulate homeostatic systems—metabolic, cardiovascular, and immune—providing the necessary means to respond to a stressor.
The Effect of Aging on Tissues01:19

The Effect of Aging on Tissues

Several body functions deteriorate with age. The external signs of aging are easily identifiable. For example, the skin becomes dry, less elastic, and thins out, forming wrinkles. The skin of the face begins to appear looser due to a decrease in the levels of elastic and collagen fibers in the connective tissue. Additionally, melanin production in the hair follicle decreases with age, resulting in gray hair. Moreover, the senses of sight and hearing decline, so glasses and hearing aids may...
Bone Disorders01:29

Bone Disorders

Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...

You might also read

Related Articles

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

Sort by
Same author

Safety and Feasibility of Algorithmic Continuous Glucose Monitoring-Based Titration in People with Type 2 Diabetes Using Insulin Degludec, With or Without Noninsulin Glucose-Lowering Drugs: A 16-Week Randomized Controlled Trial.

Diabetes technology & therapeutics·2026
Same author

Human factors in the use and efficacy of decision support technologies for type 1 diabetes: evidence from a randomized controlled trial.

Diabetes research and clinical practice·2025
Same author

Adaptive Biobehavioral Control: A Pilot Analysis of Human-Machine Coadaptation in Type 1 Diabetes.

Diabetes technology & therapeutics·2024
Same author

Evaluation of a Web-Based Simulation Tool for Self-Management Support in Type 1 Diabetes: A Pilot Study.

IEEE journal of biomedical and health informatics·2022
Same author

Intensive, telemedicine-based, self-management program for rural, underserved patients with diabetes mellitus: Re-entry of retired endocrinologists into practice.

Journal of telemedicine and telecare·2022
Same author

Automated Insulin Delivery with SGLT2i Combination Therapy in Type 1 Diabetes.

Diabetes technology & therapeutics·2022

Related Experiment Video

Updated: May 11, 2026

Exploring Independent Effects of Follicle-Stimulating Hormone In Vivo in a Mouse Model
05:32

Exploring Independent Effects of Follicle-Stimulating Hormone In Vivo in a Mouse Model

Published on: August 11, 2023

Growth hormone axis and aging.

Ralf Nass1

  • 1Division of Endocrinology and Metabolism, University of Virginia, Charlottesville, VA 22903, USA. rmn9a@virginia.edu

Endocrinology and Metabolism Clinics of North America
|May 25, 2013
PubMed
Summary

Growth hormone (GH) and ghrelin mimetics may treat age-related muscle impairment. Ghrelin mimetics show promise over GH, but more research is needed before recommending their use in older adults.

Area of Science:

  • Gerontology
  • Endocrinology
  • Musculoskeletal Health

Background:

  • Aging leads to musculoskeletal impairment, affecting muscle function and quality of life.
  • Growth hormone (GH) and ghrelin mimetics are being investigated as potential interventions.
  • Standardized outcome measures for muscle function efficacy are lacking in clinical trials.

Purpose of the Study:

  • To review the potential of GH and ghrelin mimetics for treating age-related musculoskeletal issues.
  • To assess the suitability of these agents for the elderly population.
  • To identify current limitations and future research directions.

Main Methods:

  • Literature review of studies on GH and ghrelin mimetics in aging.
  • Analysis of muscle function as an outcome measure.

Related Experiment Videos

Last Updated: May 11, 2026

Exploring Independent Effects of Follicle-Stimulating Hormone In Vivo in a Mouse Model
05:32

Exploring Independent Effects of Follicle-Stimulating Hormone In Vivo in a Mouse Model

Published on: August 11, 2023

  • Comparative assessment of GH versus ghrelin mimetics efficacy and safety.
  • Main Results:

    • Improvement in muscle function is a key outcome but lacks standardized definition.
    • Preliminary data suggest ghrelin mimetics may be more beneficial than GH in the elderly.
    • Significant unanswered questions remain regarding ghrelin mimetic use in older adults.

    Conclusions:

    • GH and ghrelin mimetics offer potential for combating age-related muscle decline.
    • Ghrelin mimetics show preliminary promise but require further investigation.
    • Current evidence is insufficient to recommend ghrelin mimetics for widespread clinical use in the elderly.