Table 1.

Overview of the expression of aquaporins (AQP) at mRNA and/or protein levels in the female reproductive tract of different mammalian species. Numbers in brackets indicate the references.

AQP	Vagina	Cervix/Cervical Carcinoma	Uterus	Oviduct	Ovary	Follicle/Oocyte	Embryo/Amnion/Chorion
AQP1	Human [21] Rodent [22,23]	Human [24]	Human [25] Rodent [19] Porcine [26,27,28,29] Canine [30]	Human [31] Rodent [22] Porcine [26,27,28,29]	Human [32,33,34] Porcine [26,27,28,29]	Porcine [26,27,28,29]	Human [35,36,37,38,39] Rodent [40,41] Ovine [42]
AQP2	Human [21] Rodent [43]		Human [25,44,45,46] Canine [30]	Human [47]		Human [34]	Human [39]
AQP3	Human [21]	Human [24]	Human [47]			Human [34]	Human [35,36,37,38,39]
	Rodent [43,48,49]	Rodent [50,51]				Rodent [52]	Rodent [40,41,53,54]
							Ovine [42]
AQP4	Rodent [49]	Rodent [50]	Rodent [19]			Human [34]	Human [35,36,37,38,39]
AQP5	Human [21]		Rodent [19,55]	Rodent [56]	Porcine [26,27,28,29]		Human [35,39] Rodent [41]
	Rodent [48]		Porcine [26,27,28,29]	Porcine [26,27,28,29]
			Canine [30]
AQP6	Human [21]						Rodent [41]
	Rodent [48]
AQP7			Rodent [55]			Rodent [57,58,59]	Human [39] Rodent [41,54]
AQP8		Humans [24]	Rodents [19,55]	Rodent [56]		Rodent [57,58,59]	Human [35,36,60,61,62]
		Rodent [50]					Rodent [40,41,52,63,64]
							Ovine [42]
AQP9			Rodent [19,55]	Human [31]	Porcine [26,27,28,29]	Rodent [57]	Human [35,36,65,66]
				Porcine [26,27,28,29]			Ovine [67]
AQP10	Rodent [48]
AQP11	Rodent [48]						Human [35,39]
							Rodent [54]
AQP12	Rodent [48]				Rodent [58]		Human [39]