Melatonin is ubiquitous molecule with wide distribution in nature and is produced by many
living organisms. In human beings, pineal gland is the major site for melatonin production …

The present review paper focuses on the chemistry of oxidative stress mitigation by
antioxidants. Oxidative stress is understood as a lack of balance between the pro-oxidant …

Human coronaviruses (HCoVs), including severe acute respiratory syndrome coronavirus
(SARS-CoV) and 2019 novel coronavirus (2019-nCoV, also known as SARS-CoV-2), lead …

Periodontitis is a chronic infectious disease caused by bacterial irritation. As an essential
component of the host immunity, macrophages are highly plastic and play a crucial role in …

Melatonin is an ancient molecule that can be traced back to the origin of life. Melatonin's
initial function was likely that as a free radical scavenger. Melatonin presumably evolved in …

Reactive oxygen species (ROS) are mainly produced in mitochondria and are involved in
various physiological activities of the ovary through signaling and are critical for regulating …

Reactive oxygen species (ROS) are produced by living cells as normal cellular metabolic
byproduct. Under excessive stress conditions, cells will produce numerous ROS, and the …

Melatonin is a ubiquitous indolamine, largely investigated for its key role in the regulation of
several physiological processes in both animals and plants. In the last century, it was …

The skin, being the largest organ in the human body, is exposed to the environment and
suffers from both intrinsic and extrinsic aging factors. The skin aging process is …

BACKGROUND Advanced maternal age is associated with decreased oocyte quantity and
quality as well as uterine and placental dysfunctions. These changes lead to infertility …