Abnormal spermatozoa in the ejaculate: abortive apoptosis and faulty nuclear remodelling during spermatogenesis

D Sakkas, E Seli, D Bizzaro, N Tarozzi… - Reproductive …, 2003 - Elsevier
The mechanisms responsible for producing abnormal spermatozoa in the ejaculate are
relatively unknown. Numerous studies have now shown the presence of nuclear DNA strand …

The presence of abnormal spermatozoa in the ejaculate: did apoptosis fail?

D Sakkas, E Seli, GC Manicardi, M Nijs… - Human …, 2004 - Taylor & Francis
With the successful use of Assisted Reproduction, in particular intracytoplasmic sperm
injection (ICSI), to treat infertile couples we have become less discriminating with the quality …

Nature of DNA damage in ejaculated human spermatozoa and the possible involvement of apoptosis

D Sakkas, O Moffatt, GC Manicardi… - Biology of …, 2002 - academic.oup.com
Numerous studies have shown the presence of DNA strand breaks in human ejaculated
spermatozoa. The nature of this nuclear anomaly and its relationship to patient etiology is …

[PDF][PDF] Origin and biological significance of DNA fragmentation in human spermatozoa

M Muratori, S Marchiani, M Maggi, G Forti, E Baldi - Front Biosci, 2006 - academia.edu
[Frontiers in Bioscience 11, 1491-1499, May 1, 2006] 1491 Origin and biological
significance of DNA fragmentation in human sperm Page 1 [Frontiers in Bioscience 11, 1491-1499 …

Spermiogenesis and DNA repair: a possible etiology of human infertility and genetic disorders

F Leduc, GB Nkoma… - Systems biology in …, 2008 - Taylor & Francis
This paper reviews the possible origin of sperm DNA fragmentation and focuses on the
nuclear events associated with spermiogenesis as a potential source of genetic instability …

[PDF][PDF] Origin of DNA damage in ejaculated human spermatozoa

D Sakkas, E Mariethoz, G Manicardi… - Reviews of …, 1999 - researchgate.net
The molecular basis of many forms of male infertility is poorly defined. One area of research
that has been studied intensely is the integrity of the DNA in the nucleus of mature …

Sperm DNA fragmentation: mechanisms of origin

M Muratori, S Marchiani, L Tamburrino… - Genetic Damage in Human …, 2019 - Springer
Spermatozoa have the task to deliver an intact paternal genome to the oocyte and to support
a successful embryo development. The high levels of sperm DNA fragmentation (sDF) found …

DNA fragmentation in human spermatozoa: significance in the diagnosis and treatment of infertility.

JG Alvarez - Minerva Ginecologica, 2003 - europepmc.org
The integrity of the paternal genome is of paramount importance in the initiation and
maintenance of a pregnancy in vivo and in vitro. The presence in the embryonic genome of …

Sperm nuclear DNA damage and altered chromatin structure: effect on fertilization and embryo development

D Sakkas, F Urner, D Bizzaro, G Manicardi… - Human …, 1998 - academic.oup.com
In the first part of this report we investigate whether chromatin anomalies in human
spermatozoa can influence fertilization after intracytoplasmic sperm injection (ICSI). We …

Investigation on the origin of sperm DNA fragmentation: role of apoptosis, immaturity and oxidative stress

M Muratori, L Tamburrino, S Marchiani, M Cambi… - Molecular …, 2015 - Springer
Sperm DNA fragmentation (sDF) represents a threat to male fertility, human reproduction
and the health of the offspring. The causes of sDF are still unclear, even if apoptosis …