People with oral lichen planus have different levels of interleukin-6 and cortisol in their saliva compared to healthy people, and these differences can be used to identify the condition without...
Mechanism
Synthesis from 1 study
When a person is under stress, their body releases cortisol into the saliva. At the same time, immune cells in the mouth become overactive and release interleukin-6. Both substances build up in saliva, and the more damage there is in the mouth, the higher their levels become.
Most probable mechanism
Psychological stress triggers a hormonal cascade that increases cortisol in the saliva, while immune cells in the mouth release IL-6 in response to chronic inflammation. Both substances rise together and reflect the severity of tissue damage in the oral lining.
Psychological stress stimulates the hypothalamus to release corticotropin-releasing hormone
Corticotropin-releasing hormone triggers the pituitary gland to release ACTH, which stimulates the adrenal glands to produce cortisol
Cortisol enters the bloodstream and diffuses into saliva, where its concentration reflects systemic stress response
Cortisol impairs regulatory T-cell function and promotes Th1 and Th17 cell dominance in oral mucosal tissue
Autoimmune or environmental triggers activate dendritic cells and T-cells in the oral mucosa
Activated immune cells produce interleukin-6 as a key pro-inflammatory signal in the oral mucosa
Interleukin-6 drives Th17 cell differentiation, B-cell proliferation, and recruitment of inflammatory cells to the oral epithelium
Sustained interleukin-6 signaling causes epithelial damage, ulceration, and erythema in the oral lining
Interleukin-6 and cortisol diffuse from oral mucosal tissue into saliva, where their concentrations correlate with disease severity
Evidence from Studies
Supporting (1)
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Contradicting (0)
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Gold Standard Evidence Needed
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