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<p>The palatine tonsils, positioned at the aerodigestive crossroads, serve as immunological sentinels orchestrating frontline defense through coordinated surveillance of inhaled and ingested antigens. As secondary lymphoid organs, palatine tonsils bridge innate and adaptive immunity via specialized microanatomical domains. Recent paradigm shifts now position the tonsils as dual-function immunological entities: while essential for pathogen surveillance and mucosal immunity, their dysregulated immune responses may paradoxically drive systemic inflammation. Concurrently, emerging evidence demonstrates therapeutic implications of tonsillar modulation, particularly through precision interventions such as tonsillectomy. This review examines recent advances in tonsillar anatomy and histology while critically evaluating novel insights into their pathogenic involvement in autoimmune diseases and other extra-tonsillar disorders. Furthermore, we analyze evolving perspectives on tonsil-targeted therapies as potential disease-modifying strategies. The synthesis underscores the tonsils’ evolving status from regional lymphoid tissue to systemic immunomodulatory organ, bridging mucosal defense mechanisms with systemic inflammatory pathogenesis.</p>

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Novel Findings on the Development and Immunological Functions of Palatine Tonsils

  • 期刊论文

  • 发表日期：

    2025年6月18日

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  • Nadiya Abulikemu,
  • Zheng Liu,
  • Yang Liu

摘要

The palatine tonsils, positioned at the aerodigestive crossroads, serve as immunological sentinels orchestrating frontline defense through coordinated surveillance of inhaled and ingested antigens. As secondary lymphoid organs, palatine tonsils bridge innate and adaptive immunity via specialized microanatomical domains. Recent paradigm shifts now position the tonsils as dual-function immunological entities: while essential for pathogen surveillance and mucosal immunity, their dysregulated immune responses may paradoxically drive systemic inflammation. Concurrently, emerging evidence demonstrates therapeutic implications of tonsillar modulation, particularly through precision interventions such as tonsillectomy. This review examines recent advances in tonsillar anatomy and histology while critically evaluating novel insights into their pathogenic involvement in autoimmune diseases and other extra-tonsillar disorders. Furthermore, we analyze evolving perspectives on tonsil-targeted therapies as potential disease-modifying strategies. The synthesis underscores the tonsils’ evolving status from regional lymphoid tissue to systemic immunomodulatory organ, bridging mucosal defense mechanisms with systemic inflammatory pathogenesis.