Of particular relevance is the marked increase in the expression of {HEAD ~ genes} associated with the production of gamma interferon, {TAIL ~ a potent antiviral agent} and regulator of the immune response 
associated with
Of particular relevance is the marked increase in the expression of { HEAD ~ genes } associated with the production of gamma interferon , { TAIL ~ a potent antiviral agent } and regulator of the immune response
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH