Table 1.

Y-box proteins in human and mouse

Human	Mouse	Expression	Phenotype in knockout mice
YB-1/DbpB	YB-1/MSY1	Ubiquitous	Embryonic/perinatal lethality (neurological abnormalities, haemorrhage, respiratory failure and growth retardation)*
DbpA	MSY4	Ubiquitous (abundant in heart, muscle and testis)	Unknown
Contrin	MSY2	Germ cells	Male and female infertility**

^*Lu et al, 2005

^**Yang et al, 2005b