Table 1.

Continuing and recurring expression of PAX genes in adult tissues.

Gene	Continuing expression	Recurring expression*	Reference
PAX1	Thymus	–	Peters et al. (1995), Wallin et al. (1996)
PAX2	Brain, pancreas, eye, female genital tract, breast, lymphocytes	Kidney, prostate	Stoykova and Gruss (1994), Ritz-Laser et al. (2000), Chu et al. (2001), Silberstein et al. (2002), Tong et al. (2006, 2007), Chen et al. (2010)
PAX3	Brain, skin, skeletal muscle	–	Stoykova and Gruss (1994), Relaix et al. (2006), He et al. (2010)
PAX4	–	Pancreas, eye, pineal gland	Brun et al. (2004), Rath et al. (2009a,b)
PAX5	Brain, B-lymphocytes, lung, testis	–	Stoykova and Gruss (1994), Nutt et al. (1997), Adams et al. (1992)
PAX6	Brain, pancreas	Eye, brain (olfactory)	Stoykova and Gruss (1994), Sivak et al. (2000), Guo et al. (2010)
PAX7	Brain, skeletal muscle	–	Stoykova and Gruss (1994), Relaix et al. (2006)
PAX8	Thyroid, kidney, placenta, female genital tract, lymphocytes	Pancreas	Zannini et al. (1992), Ferretti et al. (2005), Rieck et al. (2009), Tong et al. (2009), Ozcan et al. (2011)
PAX9	Thymus, esophagus	–	Peters et al. (1995)

*Recurring expression includes minimally detected expression.