Semen analysis is the cornerstone of male fertility evaluation with WHO guidelines providing
the basis for procedural standardization and reference values worldwide. The first WHO …

Reactive oxygen species (ROS) play a critical role in defining the functional competence of
human spermatozoa. When generated in moderate amounts, ROS promote sperm …

At present infertility is affecting about 15% of couples and male factor is responsible for
almost 50% of infertility cases. Oxidative stress, due to enhanced Reactive Oxygen Species …

DNA damage, largely owing to oxidative stress, is a leading cause of defective sperm
function. High levels of oxidative stress result in damage to sperm DNA, RNA transcripts …

Oxidative stress plays a major role in the life and death of mammalian spermatozoa. These
gametes are professional generators of reactive oxygen species (ROS), which appear to …

Male and female germ lines are vulnerable to oxidative stress. In spermatozoa, such stress
triggers a lipid peroxidation cascade that culminates in the generation of electrophilic lipid …

BACKGROUND: With increasing evidence that hydroperoxides are not only toxic but rather
exert essential physiological functions, also hydroperoxide removing enzymes have to be re …

Sperm DNA fragmentation (SDF) has been generally acknowledged as a valuable tool for
male fertility evaluation. While its detrimental implications on sperm function were …

Cryopreservation of semen and artificial insemination have an important, positive impact on
cattle production, and product quality. Through the use of cryopreserved semen and artificial …

A state of oxidative stress (OS) and the presence of reactive oxygen species (ROS) in the
male reproductive tract are strongly correlated with infertility. While physiological levels of …