Seminal oxidative stress in the male reproductive tract is known to result in peroxidative
damage of the sperm plasma membrane and loss of its DNA integrity. Normally, a balance …

Twenty-five years ago the first human, Louise Brown, was conceived outside the body, and
this event created a new milestone in the history of mankind and the concept of human in …

BACKGROUND: The aim of this study was to examine the role of apoptosis and reactive
oxygen species (ROS) in inducing DNA damage in ejaculated spermatozoa. METHODS: We …

Increased levels of reactive oxygen species (ROS) are associated with clinical varicoceles;
however, its correlation with varicocele grade and testis size is unknown. In our study …

With approximately 90 million cases annually, infection with Chlamydia trachomatis is the
most prevalent sexually transmitted bacterial disease in the world. Considering that these …

Oxidants are highly unstable molecules that attack every chemical substance they come into
contact. Oxidants modify the macromolecules both structurally and functionally. Body has …

OBJECTIVES: To examine levels of interleukin-6 (IL-6) in fertile semen donors and patients
with varicocele and examine its association with semen characteristics and levels of reactive …

OBJECTIVE: To measure levels of reactive oxygen species (ROS) including H2O2 and O2.−
generation in infertile men and determine whether sperm quality is correlated with levels of …

Glutathione peroxidase is one of the principal antioxidant defense enzymes in human
spermatozoa, but it requires oxidized glutathione to be reduced by glutathione reductase …

In the last few years considerable progress has been made in the study of sperm physiology
and the biology of gamete interaction, furthering our understanding of the pathophysiology …