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Related Experiment Videos

Ascorbate status and xerostomia.

C O Enwonwu1

  • 1Center for Nutrition Research, Meharry Medical College, Nashville, TN 37208.

Medical Hypotheses
|September 1, 1992
PubMed
Summary
This summary is machine-generated.

Dry mouth (xerostomia) is linked to salivary gland hypofunction. Factors causing xerostomia may deplete ascorbate, a key molecule in salivary gland function.

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Area of Science:

  • Biochemistry
  • Physiology
  • Cell Biology

Background:

  • Xerostomia, or dry mouth, affects millions, particularly the elderly, and is associated with salivary gland hypofunction.
  • Salivary gland function is regulated by sympathetic and parasympathetic receptor systems, involving intracellular messengers and various cell-surface receptors.
  • Ascorbate (vitamin C) is abundant in salivary acinar cells and plays a role in neurotransmitter metabolism and salivary exocytosis.

Purpose of the Study:

  • To explore the role of ascorbate in salivary gland function and its potential depletion in conditions causing xerostomia.

Main Methods:

  • Review of cellular mechanisms regulating salivary secretion.
  • Analysis of ascorbate's involvement in intracellular processes within salivary glands.

Related Experiment Videos

  • Correlation of factors implicated in xerostomia with ascorbate metabolism.

    • Main Results:

    • Salivary glands possess multiple receptors regulating secretion, influenced by intracellular signaling pathways.
    • Ascorbate is crucial for neurotransmitter metabolism and peptide amidation in salivary glands.
    • Numerous factors contributing to xerostomia, including aging and disease, are associated with increased ascorbate requirements or depletion.

    Conclusions:

    • Ascorbate plays a significant role in maintaining salivary gland function.
    • The depletion or increased requirement of ascorbate may be a common underlying factor in various causes of xerostomia.