Table 1 Mouse imprinted gene clusters that include genes showing imprinted expression only in extraembryonic tissues

From: Genomic imprinting mechanisms in embryonic and extraembryonic mouse tissues

Imprinted cluster	Gene	Imprinted expression	Expressed allele	Chromosome	Reference
Peg10	Tfpi2	Pl, YS	Maternal	chr6	(Monk et al., 2008)
	Ppp1r9a	Pl, YS	Maternal	chr6	(Ono et al., 2003)
	Pon2	Pl, YS	Maternal	chr6	(Ono et al., 2003)
	Pon3	Pl, YS	Maternal	chr6	(Ono et al., 2003)
	Sgce	Ubiquitous	Paternal	chr6	(Ono et al., 2003)
	Peg10	Ubiquitous	Paternal	chr6	(Ono et al., 2003)
	Asb4	Ubiquitous	Maternal	chr6	(Mizuno et al., 2002)
Igf2	Ins2 ^a	VYS	Paternal	chr7	(Giddings et al., 1994; Duvillie et al., 1998)
	Igf2	Ubiquitous	Paternal	chr7	(DeChiara et al., 1991)
	Igf2as	Ubiquitous	Paternal	chr7	(Rivkin et al., 1993)
	H19	Ubiquitous	Maternal	chr7	(Davis et al., 1998)
Kcnq1	Th	Pl	Maternal	chr7	(Schulz et al., 2006)
	Osbpl5	Pl	Maternal	chr7	(Engemann et al., 2000)
	Nap1l4	Pl	Maternal	chr7	(Engemann et al., 2000)
	Cd81	Pl	Maternal	chr7	(Caspary et al., 1998; Lewis et al., 2004b)
	Tssc4	Pl	Maternal	chr7	(Paulsen et al., 2000)
	Tspan32	Pl	Maternal	chr7	(Umlauf et al., 2004)
	Ascl2	Pl	Maternal	chr7	(Guillemot et al., 1995)
	Kcnq1ot1	Ubiquitous	Paternal	chr7	(Smilinich et al., 1999)
	Kcnq1	Ubiquitous	Maternal	chr7	(Gould and Pfeifer, 1998; Paulsen et al., 1998)
	Cdkn1c	Ubiquitous	Maternal	chr7	(Hatada and Mukai, 1995)
	Slc22a18	Ubiquitous	Maternal	chr7	(Dao et al., 1998)
	Phlda2	Ubiquitous	Maternal	chr7	(Dunwoodie and Beddington, 2002; Lewis et al., 2004b)
	Tnfrsf23	Ubiquitous	Maternal	chr7	(Clark et al., 2002)
Igf2r	Slc22a2	Pl	Maternal	chr17	(Zwart et al., 2001)
	Slc22a3 ^b	Pl	Maternal	chr17	(Zwart et al., 2001)
	Igf2r	Ubiquitous	Maternal	chr17	(Barlow et al., 1991)
	Airn	Ubiquitous	Paternal	chr17	(Lyle et al., 2000)
Single imprinted genes	Sfmbt2	Pl, YS	Paternal	chr2	(Kuzmin et al., 2008)
	Gatm	Pl, YS	Maternal	chr2	(Sandell et al., 2003)
	Dcn	Pl	Maternal	chr10	(Mizuno et al., 2002)
	Slc38a4	Pl	Paternal	ch15	(Smith et al., 2003)

Abbreviations: Pl, placenta; VYS, visceral yolk sac; YS, yolk sacs (parietal yolk sac, visceral yolk sac and amnion not distinguished).
Genes showing imprinted gene expression in extraembryonic tissues only are shown plus other imprinted genes in their cluster that show ubiquitous imprinted expression.
Ubiquitous: imprinted expression in both embryonic and extraembryonic tissues.
For details see: http://www.mousebook.org/catalog.php?catalog=imprinting (Williamson et al., 2009).
^aImprinted expression gained after E14.5.
^bImprinted expression lost after E15.5.

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Table 1 Mouse imprinted gene clusters that include genes showing imprinted expression only in extraembryonic tissues

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