Decreased angiotensin receptor 1 expression in ± AT1 Knockout mice testis results in male infertility and GnRH reduction

Table 6 Analysis of sperm morphology in Control, ARB and ± AT1KO mice groups

Group	The number of totally counted sperms^a	The number of malformed sperms^a							Normal rate^b	Deformity rate^b
Group	The number of totally counted sperms^a	No hook	Indefinite form	Banana head	Fat head	Double tail	Double head	Tail folding	Normal rate^b	Deformity rate^b
Control	990	21	61	60	26	0	0	20	81%	19%
ARB	708	12	69	52	23	0	0	21	75%	25%
± AT1KO	642	43	78	22	201	0	0	35	41%**	59%**

^**P < 0.01 compared to control or ARB groups
^aThe number of totally counted and malformed sperms in 10 mice per group. The median numbers are presented
^bDeformity rate = the number of malformed sperms/ the number of totally counted sperms*100%; Normal rate = (1- Deformity rate)%

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