Thyroid Hormones Interaction With Immune Response, Inflammation and Non-thyroidal Illness Syndrome

Roberto De Luca, Paul J. Davis, Hung Yun Lin, Fabio Gionfra, Zulema A. Percario, Elisabetta Affabris, Jens Z. Pedersen, Cinzia Marchese, Pankaj Trivedi, Eleni Anastasiadou, Roberto Negro, Sandra Incerpi

研究成果: 雜誌貢獻回顧型文獻同行評審

41 引文 斯高帕斯(Scopus)


The interdependence between thyroid hormones (THs), namely, thyroxine and triiodothyronine, and immune system is nowadays well-recognized, although not yet fully explored. Synthesis, conversion to a bioactive form, and release of THs in the circulation are events tightly supervised by the hypothalamic–pituitary–thyroid (HPT) axis. Newly synthesized THs induce leukocyte proliferation, migration, release of cytokines, and antibody production, triggering an immune response against either sterile or microbial insults. However, chronic patho-physiological alterations of the immune system, such as infection and inflammation, affect HPT axis and, as a direct consequence, THs mechanism of action. Herein, we revise the bidirectional crosstalk between THs and immune cells, required for the proper immune system feedback response among diverse circumstances. Available circulating THs do traffic in two distinct ways depending on the metabolic condition. Mechanistically, internalized THs form a stable complex with their specific receptors, which, upon direct or indirect binding to DNA, triggers a genomic response by activating transcriptional factors, such as those belonging to the Wnt/β-catenin pathway. Alternatively, THs engage integrin αvβ3 receptor on cell membrane and trigger a non-genomic response, which can also signal to the nucleus. In addition, we highlight THs-dependent inflammasome complex modulation and describe new crucial pathways involved in microRNA regulation by THs, in physiological and patho-physiological conditions, which modify the HPT axis and THs performances. Finally, we focus on the non-thyroidal illness syndrome in which the HPT axis is altered and, in turn, affects circulating levels of active THs as reported in viral infections, particularly in immunocompromised patients infected with human immunodeficiency virus.
期刊Frontiers in Cell and Developmental Biology
出版狀態已發佈 - 1月 21 2021

ASJC Scopus subject areas

  • 發展生物學
  • 細胞生物學


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