This gradient of surface antigen expression was paralleled by a gradient in expression of pluripotency genes, with highest levels of genes like Oct - 4 found in the population of cells with the highest level of antigen expression. (journals.plos.org)
In addition to removing surface antigens, bathing alone can provide some temporary relief from itching and may allow the use of a lower dose of steroids or other treatments. (lienanimal.com)
More important, altered surface antigens explain how the three major flu pandemics of the last century — 1918, 1957, and 1968 — spread through the world like firestorms. (discovermagazine.com)