Table 2.

A summary of some of the previously published proteomics studies on vitreous humor and the corresponding mass spectrometry platforms

	Study	Fractionation/separation method	Mass spectrometer	Number of of proteins identified
1.	Aretz S et al.,[16]	SDS-PAGE, Liquid phase IEF	LTQ-ORBITRAP XL	1,111
2.	Simo et al., [17]	DIGE, Western blot	MALDI	2
3.	Gao et al. [14]	SDS-PAGE	LTQ	252
4.	Kim et al. [13]	2-DE	(IS)/2-DE/MALDI-MS, LC-MALDI-	346
		SDS-PAGE	MS/MS, and LC-ESI-MS/MS
5.	Ouchi et al. [15]	2D-PAGE	CapLC system with QTOF2	15
6.	Wu et al., [18]	SDS-PAGE	MALDI-TOF	12
7.	Yamane et al., [19]	2D-PAGE	Q-TOF	18
8.	Nakanishi et al. [12]	2D-PAGE	MALDI-TOF	51
			LCQ DECA