Changes in the mitochondrial calcium influx and efflux properties are responsible for the decline in sperm calcium during epididymal maturation.

@article{Vijayaraghavan1990ChangesIT,
  title={Changes in the mitochondrial calcium influx and efflux properties are responsible for the decline in sperm calcium during epididymal maturation.},
  author={Sumitra Vijayaraghavan and Dale D. Hoskins},
  journal={Molecular reproduction and development},
  year={1990},
  volume={25 2},
  pages={186-94}
}
This study was undertaken to determine the role of calcium ion, a key regulator of the intensity and form of motility in mature demembranated sperm, in the development of motility during passage through the bovine epididymis. Cellular calcium levels in bovine caput and cauda epididymal spermatozoa were measured with three different techniques. 45Ca2+ uptake measurements revealed that net calcium uptake and Ca2(+)-Ca2+ exchange in caput spermatozoa were about 2 to 3 times higher than in caudal… CONTINUE READING
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