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The Role of B7 Family Molecules Influences Thyroid Disorders and Cancer Progression, Suggesting New Treatment Avenues.
The B7 family exerts complex and diverse immunomodulatory effects on the occurrence and development of thyroid diseases. The abnormal expression and polymorphisms of B7 family molecules in autoimmune thyroid diseases results in disruption of immune tolerance, activation of autoreactive T cells, and thyroid tissue damage. The dysfunction of B7 family is also closely related to the progression of thyroid cancer (TC) through remodeling tumor microenvironment and mediating immune evasion. Of note, targeting B7 family has become promising strategies for TC treatment. In addition, B7 family signaling linking to immune cell subsets, tertiary lymphoid structure formation, and therapeutic response are also discussed. With the emerging findings of B7 family members in thyroid diseases, understanding the comprehensive roles and mechanisms of B7 molecules would facilitate the clinical translation of B7-based immunotherapy.
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Zhang et al. (2026) studied this question.
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