Table 4.

Quantitative effect of Im genes on Ab responses to SRBC in three distinct BcL2 populations

BcL2 populations	Markers	Day 14 Ab titers
		ll*	hl*	P(hl − ll)
A
(n = 63†)	D6Mit5	−0.20 ± 0.17	0.41 ± 0.21	2.5 × 10−2
	D4Mit40	−0.13 ± 0.16	0.77 ± 0.16	4.1 × 10−3
	D18Mit19‡	−0.13 ± 0.18	0.63 ± 0.16	4.7 × 10−3
B
(n = 95†)	D8Mit9	−0.34 ± 0.22	0.38 ± 0.14	5.8 × 10−3
	D4Mit40	−0.17 ± 0.22	0.33 ± 0.15	5.5 × 10−2
C
(n = 54†)	D12Nds2	−0.35 ± 0.22	0.20 ± 0.16	4.5 × 10−2
	D4Mit40	0.05 ± 0.18	−0.11 ± 0.19	5.7 × 10−1
	D18Mit19‡	−0.11 ± 0.13	1.11 ± 0.18	1.0 × 10−4

Standardized Ab titer values are mean ± SEM. 

^*Mouse genotypes. 

^†n = number of mice. 

^‡Day 5 titers.