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A Method for the Measurement of Salivary Gland Function in Mice
Published on: January 25, 2018
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GABA Administration Ameliorates Sjogren's Syndrome in Two Different Mouse Models
Min Song1, Jide Tian1, Blake Middleton1
1Department of Molecular and Medical Pharmacology, University of California, Los Angeles, CA 90095, USA.
Biomedicines
|January 21, 2022
Summary
Oral GABA administration may help alleviate symptoms of Sjögren
Area of Science:
- Immunology
- Neuroscience
- Autoimmune Diseases
Background:
- Sjögren's syndrome (SS) is an autoimmune condition causing dry eyes and mouth.
- Current therapies for SS lack disease-modifying capabilities.
- Immune cells express GABA receptors (GABA-Rs) with known immunoregulatory functions.
Purpose of the Study:
- To investigate the therapeutic potential of gamma-aminobutyric acid (GABA) for ameliorating SS.
- To evaluate GABA's effects on salivary and lacrimal gland function in SS mouse models.
Main Methods:
- Utilized two spontaneous mouse models of Sjögren's syndrome: NOD.B10-H2b and C57BL/6.NOD-Aec1Aec2.
- Administered oral GABA at two distinct time points: before overt symptoms and after symptom onset.
- Assessed salivary and tear production, and lymphocytic infiltration in salivary and lacrimal glands.
Main Results:
- GABA treatment significantly increased saliva and tear production in both SS mouse models.
- Treatment initiated after symptom onset showed particularly pronounced preservation of exocrine function.
- No significant changes in lymphocytic foci were observed in GABA-treated mice.
Conclusions:
- Oral GABA administration effectively preserved exocrine gland function in experimental SS models.
- GABA may represent a novel, safe therapeutic strategy for managing Sjögren's syndrome symptoms.
- Further research is warranted to elucidate the mechanisms behind GABA's symptomatic relief in SS.
