Sentences with phrase «presenting foreign substances»
Through his work with large patient groups, he has managed to show that narcolepsy is closely genetically linked to so - called HLA molecules, which play a key part in the immune system by presenting foreign substances to immune cells.
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When allergens enter the body, antigen presenting cells (immune cells that capture incoming substances and present them to other immune cells, initiating a cascade of immune responses) at body surfaces, capture and present them to immune cells, particularly T cells (in a similar manner as if the allergen was a foreign invading microbe).
These unwanted substances are seen by the immune system as foreign (because they aren't normally present in blood).
When leaky gut syndrome is present, the digestive tract (which has a mucus layer protecting it from toxins and other «foreign» substances), develops a much weaker mucus layer.
When a killed vaccine is injected, the body recognizes that a foreign substance is present and begins to break it down and remove it.