Browsing by Subject "Spermatozoa"

Association of soybean-based extenders with field fertility of stored ram (Ovis aries) semen: A randomized double-blind parallel group design

Khalifa, T.; Lymberopoulos, A.; Theodosiadou, E. (2013)

Two consecutive randomized double-blind field fertility experiments were conducted over a 4-month period and aimed at evaluating the association of two commercial soybean lecithin-based extenders (AndroMed [Minitub, ...

COVID-19 and fertility: a virtual reality

Anifandis G., Messini C.I., Daponte A., Messinis I.E. (2020)

The COVID-19 pandemic is an extraordinary global situation, and all countries have adopted their own strategies to diminish and eliminate the spread of the virus. All measures are in line with the recommendations provided ...

The effect of glyphosate on human sperm motility and sperm DNA fragmentation

Anifandis G., Katsanaki K., Lagodonti G., Messini C., Simopoulou M., Dafopoulos K., Daponte A. (2018)

Glyphosate is the active ingredient of Roundup®, which is one of the most popular herbicides worldwide. Although many studies have focused on the reproductive toxicity of glyphosate or glyphosate-based herbicides, the ...

Effect of plasmin on movement characteristics of ejaculated bull spermatozoa

Taitzoglou, I. A.; Chapman, D. A.; Zervos, I. A.; Killian, G. J. (2004)

Proteolytic enzymes appear to have an essential role in multiple phases of mammalian fertilization. Several observations suggest that the plasminogen activator/plasmin system might also play a role in mammalian fertilization. ...

Efforts to create an artificial testis: Culture systems of male germ cells under biochemical conditions resembling the seminiferous tubular biochemical environment

Soffikitis, N.; Pappas, E.; Kawatani, A.; Baltogiannis, D.; Loutradis, D.; Kanakas, N.; Giannakis, D.; Dimitriadis, F.; Tsoukanelis, K.; Georgiou, I.; Makrydimas, G.; Mio, Y.; Tarlatzis, V.; Melekos, M.; Miyagawa, I. (2005)

Induction of meiotic and post-meiotic alterations of male germ cells in vitro has been the target of several research efforts since 1960. However, to date, the establishment of an ideal culture system in which spermatogonial ...

Factors affecting outcome after ICSI with spermatozoa retrieved from cryopreserved testicular tissue in non-obstructive azoospermia

Dafopoulos, K.; Griesinger, G.; Schultze-Mosgau, A.; Orief, Y.; Schöpper, B.; Nikolettos, N.; Diedrich, K.; Al-Hasani, S. (2005)

There is a lack of data regarding variables affecting the treatment outcome for non-obsructive azoospermia when spermatozoa from cryopreserved testicular specimens are utilized for ICSI. The objective of the present ...