preferred_name: misfolded CFTR is degraded by the 26S proteasome (Sus scrofa)
preferred_name_lc: misfolded cftr is degraded by the 26s proteasome (sus scrofa)
label: misfolded CFTR is degraded by the 26S proteasome (Sus scrofa)
label_lc: misfolded cftr is degraded by the 26s proteasome (sus scrofa)