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Related Concept Videos

Roles of Electrolytes: Calcium and Phosphate01:27

Roles of Electrolytes: Calcium and Phosphate

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Calcium and phosphate are essential electrolytes in the human body, with calcium being the most abundant mineral. Around 99% of the body's calcium is stored in the skeleton and teeth, forming a crystal lattice of mineral salts in combination with phosphates. Calcium plays crucial roles in various bodily functions such as blood clotting, neurotransmitter release, muscle tone maintenance, and nervous and muscle tissue excitability.
The calcium concentration in blood plasma is primarily...
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Introduction to Electrolytes01:33

Introduction to Electrolytes

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In humans, electrolytes play a vital role in various physiological processes. Balancing electrolyte levels is essential for normal body functions; their imbalance can be life-threatening. The major electrolytes include sodium, potassium, chloride, calcium, phosphate, and bicarbonate. They are primarily involved in physiological processes, such as nerve signal transmission, membrane trafficking, muscle contraction, buffering body fluids, and balancing water levels in the body.
Role of Sodium
One...
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Phosphate Buffer01:22

Phosphate Buffer

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The phosphate buffer system is a critical biological mechanism for maintaining pH stability in the body. This system operates primarily through two components: sodium dihydrogen phosphate (NaH2PO4), which acts as a weak acid, and sodium hydrogen phosphate (Na2HPO4), which serves as a weak base.
Sodium dihydrogen phosphate does not fully dissociate in neutral or acidic solutions. When a strong base, such as sodium hydroxide (NaOH), is introduced into the solution, sodium dihydrogen phosphate...
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Phosphorylation01:02

Phosphorylation

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The addition or removal of phosphate groups from proteins is the most common chemical modification that regulates cellular processes. These modifications can affect the structure, activity, stability, and localization of proteins within cells as well as their interactions with other proteins.
During phosphorylation, protein kinases transfer the terminal phosphate group of ATP to specific amino acid side chains of substrate proteins. Serine, threonine, and tyrosine are the most commonly...
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The Phosphorus Cycle01:21

The Phosphorus Cycle

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Unlike carbon, water, and nitrogen, phosphorus is not present in the atmosphere as a gas. Instead, most phosphorus in the ecosystem exists as compounds, such as phosphate ions (PO43-), found in soil, water, sediment and rocks. Phosphorus is often a limiting nutrient (i.e., in short supply). Consequently, phosphorus is added to most agricultural fertilizers, which can cause environmental problems related to runoff in aquatic ecosystems.
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Transducer Mechanism: Enzyme-Linked Receptors01:27

Transducer Mechanism: Enzyme-Linked Receptors

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Enzyme-linked receptors are cell-surface receptors acting as an enzyme or associating with an enzyme intracellularly. They make excellent drug targets. Drugs can bind to the extracellular ligand-binding domain or directly affect their enzymatic domain and alter their activity.
Major types that are helpful drug targets include:
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Related Experiment Video

Updated: Sep 30, 2025

Phosphorus-31 Magnetic Resonance Spectroscopy: A Tool for Measuring In Vivo Mitochondrial Oxidative Phosphorylation Capacity in Human Skeletal Muscle
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Phosphorus-31 Magnetic Resonance Spectroscopy: A Tool for Measuring In Vivo Mitochondrial Oxidative Phosphorylation Capacity in Human Skeletal Muscle

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Phosphate Is a Cardiovascular Toxin.

Maren Leifheit-Nestler1, Isabel Vogt2, Dieter Haffner2

  • 1Department of Pediatric Kidney, Liver and Metabolic Diseases, Pediatric Research Center, Hannover Medical School, Hannover, Germany. leifheit-nestler.maren@mh-hannover.de.

Advances in Experimental Medicine and Biology
|March 15, 2022
PubMed
Summary
This summary is machine-generated.

Maintaining proper serum phosphate levels is crucial for cardiovascular health. Imbalances, like hyperphosphatemia or hypophosphatemia, significantly increase risks for heart disease and mortality.

Keywords:
Fibroblast growth factor 23InterventionLeft ventricular hypertrophyParathyroid hormonePhosphateVascular disease

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Phosphorus-31 Magnetic Resonance Spectroscopy: A Tool for Measuring In Vivo Mitochondrial Oxidative Phosphorylation Capacity in Human Skeletal Muscle
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Area of Science:

  • Biochemistry
  • Cardiology
  • Nephrology

Background:

  • Phosphate is vital for cellular functions, including DNA, energy production, and signaling.
  • Fibroblast growth factor (FGF) 23 and parathyroid hormone (PTH) regulate phosphate homeostasis.
  • Phosphate sensing mechanisms involve surface receptors and cotransporters, creating feedback loops.

Purpose of the Study:

  • To review the cardiovascular effects of deregulated serum phosphate concentrations.
  • To elucidate the underlying mechanisms of these effects.
  • To summarize current therapeutic strategies for phosphate imbalance and cardiovascular disease.

Main Methods:

  • Literature review of studies on phosphate metabolism and cardiovascular outcomes.
  • Analysis of mechanisms linking phosphate levels to cardiovascular pathologies.
  • Synthesis of information on therapeutic interventions.

Main Results:

  • Hyperphosphatemia, often from kidney dysfunction, is linked to vascular disease, hypertension, and left ventricular hypertrophy.
  • Hypophosphatemia can impair energy metabolism and cause cardiac arrhythmias.
  • Both extremes of phosphate levels are associated with increased cardiovascular disease risk and mortality.

Conclusions:

  • Deregulated serum phosphate significantly impacts cardiovascular health through various mechanisms.
  • Effective management of phosphate levels is essential for preventing and treating cardiovascular complications.
  • Current therapeutic approaches aim to normalize phosphate levels and mitigate cardiovascular risks.