表 2. Potential salivary biomarkers for lung cancer.

潜在的肺癌唾液标志物

Category	Salivary tumor biomarkers	Sensitivity	Specificity	Expression	References
CCNI: cyclin I; EGFR: epidermal growth factor receptor; FGF19: fibroblast growth factor 19; FRS2: fibroblast growth factor receptor substrate 2; GREB1: growth regulation by estrogen in breast cancer 1; ZAG: zinc-alpha-2-glycoprotein.
mRNA	CCNI, EGFR, FGF19, FRS2, and GREB1	93.75%	82.81%	↑	[1, 28]
Protein	Haptoglobin, ZAG, and calreticulin	88.5%	92.3%	↑	[1]