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Aquaporins

Definition

Aquaporins are proteins in cell membranes that facilitate the transport of water in and out of cells, playing a crucial role in regulating hydration within the body.

Scientific / Technical Definition

Aquaporins are a family of small, integral membrane proteins that serve as channels in the transfer of water, and in some cases, small solutes across the cell membrane. They are essential for various physiological processes, including kidney filtration, glandular secretion, and maintaining the water balance in tissues.

Benefits

  • Regulate water balance within cells and tissues
  • Aid in proper kidney function and urine concentration
  • Support fluid absorption in the digestive system
  • Maintain hydration in skin and other tissues

Examples

  • Aquaporins are abundant in the kidney cells, where they help concentrate urine.
  • They are present in skin cells, maintaining skin hydration.

Additional Information

  • Importance: Aquaporins are important for maintaining cellular and systemic water balance, which is crucial for physiological stability and function. Their dysfunction can lead to disorders related to water imbalance, such as dehydration or edema.
Last updated: 11/5/2024