Perspective: Hormones and immune development: bidirectional regulation between thyroid hormones and the immune system.
Level 5 - mechanism / opinion, no new human data
Narrative review and perspective article without primary empirical data or systematic review methodology.
PubMed 42454044 · doi:10.3389/fimmu.2026.1859721
What was done
This perspective reviewed current literature to synthesize mechanisms of bidirectional crosstalk between thyroid hormones and adaptive immunity, focusing on how thyroid hormone receptor signaling and immunometabolic pathways regulate T cell responses in health and autoimmunity.
What was found
The abstract reports no numerical findings or statistical measures. It describes conceptual mechanisms wherein thyroid hormones modulate T cell differentiation and function through receptor-mediated signaling, cytokine network interactions, and metabolic cues, noting that thyroid dysfunction correlates with impaired immune tolerance and autoimmune pathology.
Why it matters
It highlights thyroid signaling as an integrated endocrine-metabolic regulator of T cell immunity, proposing unified conceptual models for endocrine-immune interactions that may guide future mechanistic and translational research.
Limits
The paper is a non-systematic perspective containing no new empirical human or animal data. The abstract provides no quantitative effect sizes, sample sizes, or study selection criteria.
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- context Impaired thyroid function reduces immune system function and diminishes the body's ability to surveillance and destroy cancer cells.