[Analysis of the kinematic parameters of hyperactivated Guinea pig spermatozoa].
OBJECTIVE
To evaluate the role of sperm kinematic parameters in the hyperactivation of Guinea pig spermatozoa, and to confirm the index of their hyperactivated motility.


METHODS
Computer-aided sperm analysis (CASA) was used to describe the kinesis parameters of the Guinea pig spermatozoa incubated for 1, 3, 5 and 7 hours.


RESULTS
The curvilinear velocity, average path velocity and amplitude of lateral head displacement were increased with time and reached the peak at 5 hours, while the straight linear velocity, linearity, straightness and beat cross frequency were gradually decreased with time and hit the bottom at 5 hours.


CONCLUSIONS
The sperm movement pattern changes greatly before hyperactivation during the capacitation of Guinea pig spermatozoa.
Xu
Lu
L
College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China. xulu829@126.com
Huang
Jing-Yan
JY
Cui
Qun-Wei
QW
Wang
Gen-Lin
GL
D000818:Animals; D006168:Guinea Pigs; D007700:Kinetics; D008297:Male; D009716:Numerical Analysis, Computer-Assisted; D013075:Sperm Capacitation / Q000502:physiology*; D013081:Sperm Motility / Q000502:physiology*; D013094:Spermatozoa / Q000502:physiology*