Blood-Olfactory Barrier Revealed (IMAGE)

Duke University

Blood-Olfactory Barrier Revealed

Caption

Circulating antibody (white) is prevented from accessing olfactory epithelium by a previously unknown blood-olfactory barrier, the BOB. This newly identified barrier keeps some of the larger molecules of the body’s immune system out of olfactory epithelium (green), leaving a gap in protection may explain two mysteries of COVID.

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Ashley Moseman Lab, Duke University

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