Table 2.

Serum total N-glycan biomarkers for ovarian cancer. ↑- upregulation, ↓- downregulation.

Glycosylation Trait	Regulation in OvCa	Reference
high-mannosylation	↓	[74,78,81,82,83]
hybrid structures	↓	[82]
branching
- mono-, biantennary	↓	[78,82]
- triantennary	↑	[74,76,78,81,82,84]
- tetraantennary	↑	[76,78,81,82]
bisection	↓	[76,83]
	↑	[85]
Sialylation
- asialylated structures	↓	[78]
- sialylated structures	↑	[74,76,78,81,86]
- ratio α2-3/α2-6	↑	[73,81,84]