The expression of oxidative stress is a medical condition characterized by the imbalance of the ratio of free radicals and antioxidant enzymes produced by the host tissue.
In some cases, this reaction also causes the long-term accumulation of toxic substances in the body, such as lead, cadmium, mercury, and arsenic.
There is no single cause of oxidative stress. Some researchers suggested that a number of factors can facilitate the onset of oxidative stress, including cigarette smoke, oxidative burst from activated macrophages, particularly, the free radicals chain reaction.
Sadly, a prolonged period of oxidative stress present in the human body can cause oxidative damage to biomolecules, (lipids, proteins, DNA) and the death of healthy cells through cytotoxicity including atherosclerosis, cancer, diabetics, rheumatoid arthritis, post-ischemic perfusion injury, myocardial infarction, cardiovascular diseases, chronic inflammation, and stroke.
Free radicals are highly reactive molecules with an unpaired electron on the outer ring of the atom.
Due to its nature to become stable, free radicals readily to donate or steal an electron from other molecules, leading to the chain of domino effect that can not be stopped until either the electrons are paired or inhibited by antioxidants.
This chain of reaction is the cause of oxidative stress, a condition associated with either overexpression of free radicals or depletion of antioxidant enzymes produced by the host organs.
Antioxidants are stable atom that plays a critical role in protecting the body against the attack of free radicals.
In other words, antioxidants inhibit the onset of free radicals before they can cause a chain reaction in facilitating protein, lipid, and cell damage.
Apoptosis refers to the death of cells which occurs as a normal and controlled part of an organism's growth or development associated with the limited cycle division.
Anti-apoptotic activity found in cancer is associated with the proliferation and unlimited cell cycle division for the growth of cancer.
Chemo drugs used for the treatment of cancer can also cause cancer cell death by inducing toxicity. However, the treatment also leads to the death of healthy cells and weakened immune functioning.
Angelica or Dang Qui is a herb of Genus Angelica from the family Apiaceae, indigenous to China.
The herb has been used as a Queen herb in traditional Chinese medicine antispasmodic and vasodilatory agent, and to balance the hormones in women for a normal menstrual cycle and menstruation and strengthen the heart, spleen, kidneys, and liver for both men and women, etc. In other words, it is used to treat gynecological ailments, fatigue, mild anemia, and high blood pressure. It has analgesic, anti-inflammatory, etc.
In finding a natural compound for the treatment of malignant tumors, the researchers examined the effects of Angelica Sinensis' polysaccharide (ASP) anti-apoptotic activity.
Based on the experimental differentiation, IN H9c2 cell, treated with hydrogen peroxide (H2O2), A. Sinensis exerted protective effects against oxidative injury through its various active ingredients on the regulation of multiple pathways associated with pro-inflammatory cytokines induced by oxidative stress.
Furthermore, ASP pretreatment significantly decreased H2O2-induced cytotoxicity and apoptosis in H9c2 cells.
Moreover, H2O2-induced oxidative stress observed by the expression of oxidative stress and ER stress markers such as malondialdehyde production and lactic dehydrogenase release was also inhibited by the antioxidant activity of ASP.
Collectively, researchers said, " Conclusions Our findings indicate that ASP, a major water-soluble component of A. Sinensis, exerts protective effects against H2O2-induced injury in H9c2 cells by activating the ATF6 pathway, thus ameliorating ER and oxidative stress".
Taken altogether, Herbal Angelica may be considered a remedy that protects the cell against oxidative stress, pending to larger sample size and multicenter human study.
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Author Biography
Kyle J. Norton (Scholar, Master of Nutrition, All rights reserved)
Health article writer and researcher; Over 10,000 articles and research papers have been written and published online, including worldwide health, ezine articles, article base, health blogs, self-growth, Best Before it's news, the karate GB Daily, etc.,.
Named TOP 50 MEDICAL ESSAYS FOR ARTISTS & AUTHORS TO READ by Disilgold.com Named 50 of the best health Tweeters Canada - Huffington Post
Nominated for Shorty Award over last 4 years
Some articles have been used as references in medical research, such as the international journal Pharma and Bioscience, ISSN 0975-6299.
Sources
(1) Polysaccharide from Angelica sinensis protects H9c2 cells against oxidative injury and endoplasmic reticulum stress by activating the ATF6 pathway by Niu X1, Zhang J2, Ling C3, Bai M4,5, Peng Y4,5, Sun S6, Li Y6, Zhang Z. (PubMed)
(2) Apoptosis in cancer: from pathogenesis to treatment by Rebecca SY Wong. (PMC)
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