2011
DOI: 10.1038/aja.2011.27
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Human sperm pattern of movement during chemotactic re-orientation towards a progesterone source

Abstract: Human spermatozoa may chemotactically find out the egg by following an increasing gradient of attractant molecules. Although human spermatozoa have been observed to show several of the physiological characteristics of chemotaxis, the chemotactic pattern of movement has not been easy to describe. However, it is apparent that chemotactic cells may be identified while returning to the attractant source. This study characterizes the pattern of movement of human spermatozoa during chemotactic re-orientation towards… Show more

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Cited by 34 publications
(28 citation statements)
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“…, 2009), alter the flagellar beat patterns (Harper et al. , 2004), sense the cumulus and orient in a field (Blengini et al. , 2011) and induce motility (present study).…”
Section: Discussionmentioning
confidence: 69%
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“…, 2009), alter the flagellar beat patterns (Harper et al. , 2004), sense the cumulus and orient in a field (Blengini et al. , 2011) and induce motility (present study).…”
Section: Discussionmentioning
confidence: 69%
“…, 2006; Oren‐Benaroya et al. , 2008; Blengini et al. , 2011), they are not capable of inducing hyperactivation and acrosome reaction.…”
Section: Discussionmentioning
confidence: 96%
See 1 more Smart Citation
“…In the human,16, 21, 22, 23 rabbit,10 and mouse,15 sperm chemotaxis to the follicular fluid and egg‐related material has been observed, but the mechanism of sperm chemotaxis is not sufficiently understood. In this study, it was investigated whether bull sperm can be attracted to the BFF.…”
Section: Discussionmentioning
confidence: 99%
“…Cumulus cells secrete progesterone after ovulation, and human sperm respond to picomolar concentrations of this hormone [ 45 ]. These responses include redirection of sperm movement in vitro if the progesterone source is repositioned in the culture dish [ 46 ], and migration through microchannels towards the source of progesterone and accumulation in the vessels containing progesterone [ 47 ].…”
Section: Integration Of Chemotaxis Into Microfl Uidics Devices For Spmentioning
confidence: 99%