Implications of Klotho in vascular health and disease

Ernesto Martín-Núñez1, Javier Donate-Correa1, Mercedes Muros-de-Fuentes1

  • 1Ernesto Martín-Núñez, Javier Donate-Correa, Carmen Mora-Fernández, Research Unit, University Hospital Nuestra Señora de Candelaria, 38010 Santa Cruz de Tenerife, Spain.

World Journal of Cardiology
|December 31, 2014
PubMed

Insights

Klotho protein, linked to longevity, plays a crucial role in cardiovascular disease (CVD) development and severity. Maintaining Klotho levels may reduce cardiovascular risk and improve vascular health.

Area of Science:

  • Biochemistry
  • Cardiology
  • Gerontology

Background:

  • Cardiovascular disease (CVD) is a leading cause of mortality globally.
  • Klotho, a longevity-associated protein, acts as a co-receptor for fibroblast growth factor 23 and is implicated in CVD.
  • Low soluble Klotho levels correlate with CVD occurrence and severity, while high levels may reduce cardiovascular risk.

Purpose of the Study:

  • To review the intricate relationship between Klotho protein and cardiovascular disease (CVD).
  • To elucidate Klotho's role in maintaining functional vascular integrity.
  • To explore Klotho's potential as a therapeutic target for vascular disorders.

Main Methods:

  • Literature review of clinical and experimental studies.
  • Analysis of Klotho's molecular mechanisms in vascular homeostasis.
  • Examination of Klotho's association with CVD incidence, severity, and cardiovascular events.

Main Results:

  • Klotho protein influences vascular homeostasis through multiple pathways.
  • It improves endothelial dysfunction by promoting nitric oxide (NO) production.
  • Klotho exhibits anti-inflammatory and anti-aging effects, including suppression of adhesion molecules and inhibition of Wnt signaling, and attenuates vascular calcification and cardiac hypertrophy.

Conclusions:

  • Klotho protein is a significant regulator in the development and progression of CVD.
  • Its multifaceted protective roles in the vasculature highlight its therapeutic potential.
  • Targeting Klotho may offer novel strategies for managing and treating vascular disorders.

Related Concept Videos

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...
4.0K
Overview of the Vascular System01:20

Overview of the Vascular System

The vascular system comprises an extensive network of arteries, capillaries, and veins. The vascular system can be broadly divided into the blood and lymphatic systems. Typically, blood vessels can be categorized into three histological regions: tunica intima, tunica media, and tunica adventitia. The tunica intima consists of a single layer of endothelial cells attached to the basal lamina. Underlying the basal lamina is a connective tissue layer and an elastic lamina that gives stability and...
3.8K
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,...
1.7K
Regulation of the Cardiovascular System01:27

Regulation of the Cardiovascular System

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.
The ANS comprises two main divisions: the sympathetic and parasympathetic nervous systems. The sympathetic nervous system enhances...
5.8K
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...
4.2K
Vascular Resistance01:20

Vascular Resistance

Vascular resistance is a critical concept in understanding blood flow dynamics in the circulatory system. It refers to the resistance that blood encounters as it flows through the blood vessels. This resistance is a key factor in determining blood pressure and cardiac workload.
The primary determinants of vascular resistance are vessel diameter, blood viscosity, and vessel length. Among these, vessel diameter plays the most significant role due to the fourth power relationship described by...
15.0K