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Area of Science:

  • Neuroscience
  • Gastroenterology
  • Cell Biology

Background:

  • The enteric nervous system (ENS) regulates gut function, comprising neurons and enteric glial cells (EGCs).
  • EGCs were traditionally viewed as supportive, but emerging evidence highlights their crucial role in neuron maintenance and function via glia-neuron cross-talk.
  • Damage to EGCs is implicated in neurodegenerative processes contributing to gastrointestinal disorders.

Purpose of the Study:

  • To review the neuroprotective functions of EGCs.
  • To explore enteric neuron abnormalities following EGC damage.
  • To discuss the pathogenetic relevance of EGCs in functional and inflammatory gut diseases.

Main Methods:

  • Review of basic and clinical (translational) studies.
  • Analysis of preclinical models assessing EGC damage/ablation impact on gut function and ENS.
  • Examination of human studies reporting EGC loss in gastrointestinal diseases.

Main Results:

  • Preclinical data show EGC alterations correlate with gut physiology changes and enteric neuron abnormalities.
  • Human studies reveal significant EGC loss in patients with functional and/or inflammatory gastrointestinal diseases.
  • The temporal relationship and mechanisms of EGC damage in relation to neuronal degeneration remain undefined.

Conclusions:

  • EGCs possess neuroprotective capabilities relevant to gut health.
  • EGC dysfunction or damage contributes to gastrointestinal neuropathies.
  • Further research into EGC neuroprotection is vital for understanding gut diseases and developing targeted therapies.