Table 1 Quantification of apoptotic cells in the cortical wall of fetuses of the control and T. gondii infection groups.

Fetus no.	Group	Gestation day	Number of apoptosis^a	Cortical zone^b	Mean ± SEM^c
4A	Infected	40	1	SVZ	0.6 ± 0.4
4B	Infected	40	0
5A	Infected	40	2	SVZ
5B	Infected	40	0
5D	Infected	40	0
7A	Infected	48	0		0.4 ± 0.1633
7B	Infected	48	1	SVZ
8A	Infected	48	1	SVZ
8B	Infected	48	0
8C	Infected	48	0
9A	Infected	48	1	CP
9B	Infected	48	0
9C	Infected	48	0
9D	Infected	48	0
9E	Infected	48	1	CP
10A	Control	40	0		0.7143 ± 0.4738
10B	Control	40	0
11A	Control	40	0
11B	Control	40	0
11C	Control	40	2	SVZ
12A	Control	40	0
12B	Control	40	3	SVZ
13A	Control	48	0		0
14A	Control	48	0
14B	Control	48	0
15A	Control	48	0
15B	Control	48	0

SVZ subventricular zone, CP cortical plate.
^aNumber of apoptotic cells identified by immunohistochemistry for activated caspase 3 and quantified in the cortical wall per 100 µm ventricular surface.
^bCortical zone in which apoptotic cells were detected.
^cMean ± SEM of the number of apoptotic cells quantified in the entire cortical wall per 100 µm ventricular surface of the infection and control groups. For the infection groups, data are from all guinea pig fetal brains with Ct value below 35 as determined by qPCR for T. gondii. Mann–Whitney test was used to compare the number of apoptotic cells quantified in the cortical wall between the control and infection group; P (gestation day 40) = 0.5758, P (gestation day 48) = 0.1538).

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