Scientists discover new 'immune hubs' in skull bone marrow
In mouse skull marrow, 'immune hubs' that actively defend the brain have been discovered. Similar cells exist in human skulls, but their role remains unclear.
Scientists have discovered new immune hubs within skull bone marrow that may proactively defend the brain, challenging the traditional view of the skull as mere protective armor. Researchers from Washington University School of Medicine in St. Louis identified these previously unknown structures in mouse skulls, which responded to brain tumors before more distant lymph nodes in the neck.
Disrupting the immune hubs in mice with glioblastoma, an aggressive brain cancer, led to faster tumor growth and shorter lifespan. The discovery suggests the skull contains specialized immune environments capable of responding locally to brain changes, potentially providing a dedicated immune response system for the brain. However, the findings have yet to be confirmed in humans, as researchers only demonstrated the structures' presence and organization in mouse marrow.
If similar hubs exist in humans, they could significantly alter our understanding of the brain's immune response, with potential implications for various brain diseases, including cancer, infections, Alzheimer's, and Parkinson's. Further research is needed to confirm the presence and functionality of these immune hubs in human skull bone marrow and to explore their potential therapeutic applications.
Written by urgent.news from Deutsche Welle Science's reporting — not their text. Machine-written — may contain errors; check the original before relying on it.
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