Toxicology News and Research

Latest Toxicology News and Research

Jivan Biologics awarded US patent for splice array analysis

Jivan Biologics Inc., a privately held corporation located in Berkeley, CA, has been awarded US Patent #7,340,349, "Method and System for Identifying Splice Variants of a Gene."

10 Mar 2008

Springer launches 18,000 searchable online protocols in life sciences and biomedicine

Springer Science+Business Media (www.springer.com) has announced the release of Springer Protocols, a protocol database of more than 18,000 searchable online protocols in life sciences and biomedicine.

28 Feb 2008

Protein that stimulates blood vessel growth worsens ovarian cancer

A protein that stimulates blood vessel growth worsens ovarian cancer, but its production can be stifled by a tiny bit of RNA wrapped in a fatty nanoparticle, a research team led by scientists at The University of Texas M. D. Anderson Cancer Center reports in the Journal of the National Cancer Institute.

27 Feb 2008

Hair loss breakthrough

A healthy individual loses around a hundred hairs a day. Nothing to worry about as long as they are constantly replaced and the losses occur evenly around the whole scalp.

26 Feb 2008

NIH and EPA announce new chemical toxicity testing agreement

Testing the safety of chemicals ranging from pesticides to household cleaners will benefit from new technologies and a plan for collaboration, according to federal scientists from the National Institutes of Health (NIH) and the U.S. Environmental Protection Agency (EPA), who today announced a new toxicity testing agreement.

17 Feb 2008

New understanding of cancer initiation

Researchers at the University of Nebraska Medical Center (UNMC) in Omaha have assisted in a significant discovery - the understanding of a common mechanism of cancer initiation - that could result in better cancer assessment, prevention and detection.

7 Feb 2008

A loss in DNS repair function causes acute myeloid leukemia relapse

A University of Kentucky research team reports that loss of an important DNA repair function, called DNA mismatch repair (MMR), is responsible for refractory/relapsed Acute Myeloid Leukemia (AML).

4 Feb 2008

Leukemia relapse stems from DNA repair function loss

A University of Kentucky research team reports that loss of an important DNA repair function, called DNA mismatch repair (MMR), is responsible for refractory/relapsed Acute Myeloid Leukemia (AML).

30 Jan 2008

Celebrex may disrupt heart rhythm

Celebrex, a popular arthritis drug that blocks pain by inhibiting an enzyme known as COX-2, has been shown in laboratory studies to induce arrhythmia, or irregular beating of the heart, via a novel pathway unrelated to its COX-2 inhibition.

25 Jan 2008

Quitting marijuana as hard as quitting cigarettes

Research by a group of scientists studying the effects of heavy marijuana use suggests that withdrawal from the use of marijuana is similar to what is experienced by people when they quit smoking cigarettes.

25 Jan 2008

Bindeez toy beads still available in the UK, warn doctors

Toy beads that were internationally recalled last year, after concerns that they may be coated with a dangerous chemical, are still being advertised on toy shop websites for purchase in the UK, warn doctors in this week's BMJ.

21 Jan 2008

Methadone and rare ventricular arrhythmia link

Methadone is a possible cause of sudden cardiac death even when it isn't overdosed but is taken at therapeutic levels primarily for relief of chronic pain or drug addiction withdrawal, a new study by Oregon Health & Science University researchers suggests.

10 Jan 2008

Tracking down allergenic substances

At present, animal tests are the only way of determining whether a particular chemical can cause an allergic reaction.

7 Jan 2008

New biochip technology could eliminate animal testing in chemicals and cosmetics industries

A new biochip technology could eliminate animal testing in the chemicals and cosmetics industries, and drastically curtail its use in the development of new pharmaceuticals, according to new findings from a team of researchers at Rensselaer Polytechnic Institute, the University of California at Berkeley, and Solidus Biosciences Inc.

18 Dec 2007

Polybrominated diphenyl ethers used as fire retardants could be harmful

Polybrominated diphenyl ethers (PBDEs), chemicals used as fire retardants, can be found in numerous items in the home, such as the television, computer, toaster and the sofa.

10 Dec 2007

Antibacterial chemical in bath soaps disrupts hormone activities

A new UC Davis study shows that a common antibacterial chemical added to bath soaps can alter hormonal activity in rats and in human cells in the laboratory - and does so by a previously unreported mechanism.

10 Dec 2007

Ozone response greater with increasing BMI

A new study provides the first evidence that people with higher body mass index (BMI) may have a greater response to ozone than leaner people.

27 Nov 2007

New drug called nitrosyl-cobinamide could potentially be used to treat hypertension and heart disease

Investigators at the University of California, San Diego School of Medicine have developed a new drug called nitrosyl-cobinamide.

27 Nov 2007

Low doses of arsenic disrupt activity of development hormone

A team of Dartmouth Medical School (DMS) researchers has determined that low doses of arsenic disrupt the activity of a hormone critical in development. The finding is further evidence that arsenic at low doses (at levels found in U.S. drinking water in some areas) can be harmful.

15 Nov 2007

New drug may restore memory with Alzheimer's disease

A 2006 study by MetLife found that adults over age 55 fear Alzheimer's disease more than cancer, and with good reason. Alzheimer's creeps up on patients and their families, robbing more than half of all Americans over age 85 of their memory and ability to care for themselves.

14 Nov 2007