spy vs spy

To target self-reactive killer-Ts,
chimeric leukocytes present a way
while money's lavished on oncologies
arthritis may be what makes CAR-Ts pay.
The cytosol lets cancers' defects hide
surveillance misses what goes on in there.
But TCRs displayed on the outside
announce their targets brazenly, and bare.
'Though failsafes circumscribe a white cell's role,
they'll sometimes pick a fight we do not need.
As killer clones escape their mete control,
a doctor wants new tools to intercede.
When maladaptive leukocytes run mad,
build chimeras to curb T-cells gone bad.