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Latest Arsenic toxicity Stories

Tadpole And The Tail: Studying The Secrets Of Human Healing
2013-01-14 10:08:34

Brett Smith for redOrbit.com - Your Universe Online Humans have the capacity to regenerate tissue after suffering an injury, but many animals have the ability to regenerate whole limbs after an amputation. A group of UK researchers decided to look into this ability in tadpoles, which can regrow a tail that has been severed. Their results proved to be somewhat counter intuitive–showing that a molecule previously thought to be harmful to cells is involved in the process....

2009-11-23 17:07:42

Biomethylation of arsenic compounds appears to cause oxidative DNA damage and to increase their carcinogenicity, according to a new study published online November 23 in the Journal of the National Cancer Institute. Although biomethylation was once believed to detoxify inorganic arsenic, it is now thought to enhance its toxicity and potentially its carcinogenicity. To assess the role of arsenic biomethylation in oxidative DNA damage in mice, Michael P. Waalkes, Ph.D., of the National Cancer...