Exploring Si-Ni-San's therapeutic mechanism in autoimmune thyroid diseases: A network pharmacology approach and experimental evidence.

Ethnopharmacological Relevance: Autoimmune thyroid diseases (AITD), a group of prevalent and persistent immune-mediated disorders affecting the endocrine system, can progressively result in total thyroid failure, thereby drastically impacting metabolic processes. Given the inadequacies of current clinical approaches to managing AITD, The exigency to investigate novel therapeutic strategies demands immediate attention, given the limitations and potential resistances associated with conventional approaches. Si-Ni-San (SNS), first chronicled in the esteemed Eastern Han Dynasty medical text " Treatise on Cold Damage and Miscellaneous Diseases" circa 200-210 AD, is a time-honored remedy known for its harmonizing effects on the liver and invigorating properties for the spleen.