Originally posted on lyranara.me:

Progesterone and other fatty signaling molecules are critical for sperm fertility. Credit: C. Cain
To better understand the causes of male infertility, a team of Bay Area researchers is exploring the factors, both physiological and biochemical, that differentiate fertile sperm from infertile sperm. At the 58th Annual Biophysical Society Meeting, which takes place Feb. 15-19, 2014, in San Francisco, Calif., the team will present its work to identify and characterize proteins known as ion channels, which are crucial for sperm fertility and expressed within a sperm cell’s plasma membrane.
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