Iron-binding protein modulating immune response

"Iron-binding protein modulating immune response" is not a single defined molecular entity but rather refers generically to any **protein that binds iron and influences the function of the immune system**. Several well-characterized molecules fit this description: • **Hepcidin** is a peptide hormone that regulates systemic iron homeostasis by binding to and inducing internalization/degradation of **ferroportin**, the only known cellular exporter of non-heme iron. This process restricts extracellular pathogen access to circulating iron during infection but can also lead to hypoferremia and anemia if overactive[1]. • **Transferrin** transports ferric ions in plasma and delivers them into cells via transferrin receptors; it plays an important role in limiting free extracellular iron availability during inflammation or infection[2]. • **Lactoferrin**, found in secretory fluids like milk and neutrophil granules, sequesters free Fe3+ at sites of inflammation/infection. • **Iron regulatory proteins** (IRP1/IRP2) post-transcriptionally regulate expression of genes involved in uptake/storage/export based on intracellular Fe status; their activity links metabolic state with immunity[2]. • **NRAMP1/SLC11A1** is expressed on phagosomal membranes in macrophages where it helps limit microbial growth by controlling phagosomal metal content[3]. These diverse molecules collectively help orchestrate host defense against pathogens by restricting microbial access to essential nutrients while supporting proper function/proliferation/differentiation within both innate/adaptive arms. However, because "Iron-binding protein modulating immune response" does not refer specifically enough to one molecule/receptor—and instead describes an entire class—the entry should be considered incorrect as a canonical therapeutic target name. If you need structured information about any *specific* member from this group (e.g., Hepcidin), please specify which one.

Other names

HepcidinFerroportinTransferrinIron regulatory protein 1 (IRP1)Natural resistance-associated macrophage protein 1 (NRAMP1, also known as SLC11A1)Lactoferrin

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