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. 2008 Jul 17;9:37. doi: 10.1186/1471-2172-9-37

Table 4.

Differences in mRNA expression of CRS and cryptdins in small intestine of different mouse strains

C57BL/6, N = 2 NMRI/KI, N = 4 C3H/HeN, N = 4
CRS1C 2.0 × 106 7.5 × 105 1.1 × 106
CRS4C Not present 3.0 × 107 1.4 × 106
Crypt1 4.4 × 106 5.6 × 106 6.9 × 106
Crypt4 Not present 2.3 × 105 1.9 × 105
Crypt4 C57BL/6 5.8 × 106 Not present Not present

Average mRNA levels in whole small intestine of adult C57BL/6, NMRI/KI and C3H/HeN mice measured by qRT-PCR. N = number of mice. Numbers denotes mRNA copy numbers per 10 ng RNA. Note that C57BL/6 mice lack CRS4C-1 to 3 and cryptdin 4 and display a unique cryptdin 4 variant.