To analyze the expression and distribution of cannabinoid receptors in human sperm cells and evaluate the effects of activation of receptors by specific agonists and antagonists, with a special emphasis on the CB(2) receptor.
Department of Physiology, Faculty of Medicine and Dentistry, University of the Basque Country, Leioa, P.O. Box 699, E-48080, Bilbao, Biscay, Spain. e.agirregoitia@ehu.es