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Celeghini,Eneiva Carla Carvalho; Andrade,André Furugen Cesar de; Raphael,Cláudia Fernandes; Nascimento,Juliana; Ticianelli,Janahi Souza; Arruda,Rubens Paes de. |
To validate a practical technique of simultaneous evaluation of the plasma, acrosomal and mitochondrial membranes in equine spermatozoa three fluorescent probes (PI, FITC-PSA and MITO) were associated. Four ejaculates from three stallions (n=12) were diluted in TALP medium and split into 2 aliquots, 1 aliquot was flash frozen in liquid nitrogen to induce damage in cellular membranes. Three treatments were prepared with the following fixed ratios of fresh semen: flash frozen semen: 100:0 (T100), 50:50 (T50), and 0:100 (T0). A 150-µL aliquot of diluted semen of each treatment was added of 2 µL of PI, 2 µL of MITO and 80 µL of FITC-PSA; incubated at 38.5ºC/8 min, and sperm cells were evaluated by epifluorescent microscopy. Based in regression analysis, this... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Stallion; Acrosome; Plasma membrane; Mitochondria; Fluorescent probes. |
Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132010000600004 |
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