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

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...
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...
Regulation of Angiogenesis and Blood Supply01:24

Regulation of Angiogenesis and Blood Supply

Rapidly dividing tumors, embryos, and wounded tissues require more oxygen than usual, lowering the oxygen concentration in the blood. At low oxygen or hypoxic conditions, an oxygen-sensitive transcription factor called the hypoxia-inducible factor 1 or HIF1 is activated. HIF1 is a dimeric protein of alpha (ɑ) and beta (β) subunits.  Under optimal oxygen conditions, HIF1β is present in the nucleus while HIF1ɑ remains in the cytosol. HIF1ɑ is hydroxylated by prolyl hydroxylase and factor...
Hypertension II: Pathophysiology01:29

Hypertension II: Pathophysiology

Hypertension is a chronic condition in which the blood's force against artery walls is excessively high, posing risks such as heart disease. The condition's underlying mechanisms involve complex interactions among the cardiovascular, kidney, and autonomic nervous systems.Renin-Angiotensin-Aldosterone System (RAAS): This system significantly influences blood pressure regulation. When blood pressure decreases, the kidneys secrete renin. This enzyme transforms angiotensinogen, a plasma protein,...
Coronary Artery Disease II: Pathophysiology01:26

Coronary Artery Disease II: Pathophysiology

Coronary Artery Disease (CAD) originates from a series of events that impair the function of coronary arteries, the blood vessels responsible for delivering oxygen-rich blood to the heart muscle. The pathophysiology of CAD is closely linked to atherosclerosis, a chronic inflammatory and lipid-driven condition affecting the vascular endothelium.1. Endothelial DamageThe process begins with damage to the vascular endothelium, which serves as a protective barrier between the blood and the vessel...
Pharmacodynamics in Geriatric Patients: Effects of Age01:27

Pharmacodynamics in Geriatric Patients: Effects of Age

Age-related pharmacokinetic changes are extensively documented, but understanding age-related pharmacodynamic alterations is relatively limited. This knowledge gap can be partly attributed to the complexity of developing appropriate measures of drug responses compared to bioanalytical methods for determining drug concentrations.Most information regarding age-related differences in human pharmacodynamics originates from cross-sectional studies. However, these studies assume that observed mean...

You might also read

Related Articles

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

Sort by
Same author

Comparison of CD34-positive cells enumeration using ADAMII image-based fluorescence cell counter with fluorescence flow cytometry.

Clinical chemistry and laboratory medicine·2026
Same author

Maresin 1 induces resolution of hepatic fibrosis through RORα-dependent reprogramming of resident macrophages.

Frontiers in pharmacology·2026
Same author

Recombinant Protein Drugs: A 2025 Update.

BioDrugs : clinical immunotherapeutics, biopharmaceuticals and gene therapy·2026
Same author

Enhancing Community Pharmacists' Professional Competencies and Sun-Safe Behaviors Through the FarmaSoludable Educational Program.

Journal of cancer education : the official journal of the American Association for Cancer Education·2026
Same author

Overcoming barriers: nanomedicine-based strategies for nose-to-brain delivery.

Nanoscale·2025
Same author

Redefining the timeline: a three-phase framework of hypothalamic microinflammation in metabolic disease.

Reviews in endocrine & metabolic disorders·2025

Related Experiment Video

Updated: Jun 21, 2026

Assessment of Vascular Function in Patients With Chronic Kidney Disease
08:50

Assessment of Vascular Function in Patients With Chronic Kidney Disease

Published on: June 16, 2014

Endothelial dysfunction and aging: an update.

María Dolores Herrera1, Carmen Mingorance, Rosalía Rodríguez-Rodríguez

  • 1Department of Pharmacology, Faculty of Pharmacy, University of Seville, C/Profesor García González 2, 41012 Seville, Spain. mdherrera@us.es

Ageing Research Reviews
|July 22, 2009
PubMed
Summary

Aging impairs endothelial function, a key factor in cardiovascular diseases like atherosclerosis and hypertension. This decline involves reduced nitric oxide (NO) and increased vasoconstrictors, driven by oxidative stress and inflammation.

More Related Videos

Assessment of Vascular Tone Responsiveness using Isolated Mesenteric Arteries with a Focus on Modulation by Perivascular Adipose Tissues
08:41

Assessment of Vascular Tone Responsiveness using Isolated Mesenteric Arteries with a Focus on Modulation by Perivascular Adipose Tissues

Published on: June 3, 2019

Ultrasound Assessment of Endothelial Function: A Technical Guideline of the Flow-mediated Dilation Test
06:35

Ultrasound Assessment of Endothelial Function: A Technical Guideline of the Flow-mediated Dilation Test

Published on: April 27, 2016

Related Experiment Videos

Last Updated: Jun 21, 2026

Assessment of Vascular Function in Patients With Chronic Kidney Disease
08:50

Assessment of Vascular Function in Patients With Chronic Kidney Disease

Published on: June 16, 2014

Assessment of Vascular Tone Responsiveness using Isolated Mesenteric Arteries with a Focus on Modulation by Perivascular Adipose Tissues
08:41

Assessment of Vascular Tone Responsiveness using Isolated Mesenteric Arteries with a Focus on Modulation by Perivascular Adipose Tissues

Published on: June 3, 2019

Ultrasound Assessment of Endothelial Function: A Technical Guideline of the Flow-mediated Dilation Test
06:35

Ultrasound Assessment of Endothelial Function: A Technical Guideline of the Flow-mediated Dilation Test

Published on: April 27, 2016

Area of Science:

  • Cardiovascular Science
  • Aging Research
  • Endothelial Biology

Background:

  • Aging is a primary risk factor for cardiovascular diseases, including atherosclerosis and hypertension.
  • A common mechanism is the progressive decline in endothelial function during aging.
  • This dysfunction involves an imbalance in endothelium-derived vasodilator and vasoconstrictor substances.

Purpose of the Study:

  • To review the pathophysiological mechanisms underlying age-related endothelial dysfunction.
  • To explore the roles of oxidative stress, inflammation, and cellular senescence.
  • To discuss the impact of genetic factors on endothelial function decline.

Main Methods:

  • Literature review of aging and cardiovascular disease.
  • Analysis of mechanisms affecting endothelial function.
  • Focus on nitric oxide (NO) bioavailability and vasoconstrictor factors.

Main Results:

  • Aging leads to reduced nitric oxide (NO) bioavailability.
  • Increased production of cyclooxygenase (COX)-derived vasoconstrictor factors is observed.
  • Oxidative stress and reactive nitrogen species contribute to endothelial dysfunction.

Conclusions:

  • Endothelial dysfunction is a hallmark of aging, contributing to cardiovascular disease.
  • Mechanisms include oxidative stress, pro-inflammatory cytokines, endothelial cell senescence, and genetic factors.
  • Understanding these mechanisms is crucial for mitigating age-related cardiovascular risks.