. 1997 Mar 18;94(6):2522–2527. doi: 10.1073/pnas.94.6.2522

Table 3.

Phenotype and number of spleen leucocytes for PNP-deficient mice

Surface Antigen	C57BL/6J (n = 9)	B6-NPE (n = 4)	B6-NPF (n = 4)	B6-NPG (n = 3)
IA⁺	44.4 ± 7.7^a	49.5 ± 4.2^a	61.4 ± 3.5^b	47.9 ± 9.0^a
Thy-1⁺	49.7 ± 11.5^a	45.3 ± 11.0^ab	24.4 ± 12.8^b	25.9 ± 13.9^b
CD4⁻CD8⁻	55.2 ± 9.5^a	59.6 ± 3.3^a	72.0 ± 2.1^b	56.7 ± 8.5^a
CD4⁺CD8⁺	0.4 ± 0.2^a	0.2 ± 0.2^a	0.3 ± 0.1^a	0.5 ± 0.3^a
CD4⁺CD8⁻	30.2 ± 6.1^a	26.7 ± 0.5^ab	19.6 ± 3.1^b	37.0 ± 7.0^a
CD4⁻CD8⁺	14.3 ± 3.8^a	13.6 ± 2.7^a	8.2 ± 3.7^b	5.8 ± 2.1^b

Results are the mean ± SD for the number of mice given in parenthesis for 8- to 10-month-old mice. Letters indicate significant differences (P = 0.05) among strains.