Mammalian spermatogenesis is a complex biological process occurring in the seminiferous
tubules in the testis. This process represents a delicate balance between cell proliferation …

Background: Latest data from International Agency for Cancer Research shows that breast
cancer is the leading cancer site in women and is the leading cause of death among female …

Reactive oxygen species such as superoxide anion radicals (O2−) and hydrogen peroxide
(H2O2) have for long time been recognized as undesirable by‐products of the oxidative …

Human life expectancy has increased over the past 50 years due to scientific and medical
advances and higher food availability. However, overweight and obesity affect more than …

Hypoxia is the failure of oxygenation at the tissue level, where the reduced oxygen delivered
is not enough to satisfy tissue demands. Metabolic depression is the physiological …

Melatonin (MT) has been recently considered an excellent candidate for the treatment of
sleep disorders, neural injuries, and neurological diseases. To better investigate the actions …

In the past two decades, Chile has developed intense mining activity in the Andes mountain
range, whose altitude is over 4,000 meters above sea level. It is estimated that a workforce …

Purpose: To research the harmful effects of prenatal exposure of 900 megahertz (MHz)
electromagnetic field (EMF) on kidneys of four-week-old male rats and to determine …

Introduction Intermittent hypoxia as a surrogate of obstructive sleep apnea is associated with
different cardiovascular complications. However, the effects of intermittent hypoxia on the …

Oxidative stress is a phenomenon caused by an imbalance of peroxide homeostasis. The
concept of oxidative stress was introduced in 1985 and has a clear connection with redox …