Biochemistry News and Research

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The effect of melatonin on colitis

In rats with experimental colitis, the marked increase in bacterial translocation in postcolitis rats has been reversed by melatonin administration.

19 Mar 2008

First 3-D view of anti-cancer agent

Researchers from the Indiana University School of Medicine and the Purdue School of Science at Indiana University-Purdue University Indianapolis have created the first three-dimensional image of how a well-established chemotherapy agent targets and binds to DNA.

19 Mar 2008

Discovery alters long standing concept of fixed protein structure

The thousands of proteins found in nature are simply strings of amino acids, assembled by genes, and scientists have long believed that they automatically fold themselves into uniquely fixed, 3-dimensional shapes to fire the engine of life.

19 Mar 2008

New discovery alters longstanding concept of fixed protein structure

18 Mar 2008

Scientists have revealed what may well be the first pervasive 'rule' of evolution

In a study published in the Proceedings of the National Academy of Sciences researchers have found evidence which suggests that evolution drives animals to become increasingly more complex.

18 Mar 2008

Twist in the battle against TB

Scientists at the University of Leicester have uncovered a dramatic new twist in the battle against TB.

14 Mar 2008

Study shows Parkinson's disease drug dopamine might work in cancer patients

A study published in the March 13 online issue of The Journal of Clinical Investigation shows that dopamine, a drug currently used to treat Parkinson's disease and other illnesses, also might work in cancer patients.

14 Mar 2008

Scientists identify 25 genes that regulate lifespan

Scientists at the University of Washington and other institutions have identified 25 genes regulating lifespan in two organisms separated by about 1.5 billion years in evolutionary change.

13 Mar 2008

Protein deficiency leads to faster fat burning in mice, study shows

Researchers have developed a new, lean mouse with characteristics suggesting that someday, using medication to manipulate a specific protein in humans could emerge as a strategy to treat obesity and disorders associated with excess weight, such as diabetes and metabolic syndrome.

13 Mar 2008

Warnings over DIY health tests

Leading health experts in Britain have expressed their concern about the boom in tests and scans for the "worried well".

12 Mar 2008

Fugitive cancer cells can be blocked by stopping blood cells that aid them

Cancer cells get a helping hand from platelets, specialized blood cells involved in clotting.

10 Mar 2008

Discovery of key molecular mechanism associated with cystic fibrosis

Researchers from the University of North Carolina at Chapel Hill have identified a key molecular mechanism that may account for the development of cystic fibrosis.

4 Mar 2008

New discovery on programmed cell death

Investigators at St. Jude Children's Research Hospital have discovered a dance of proteins that protects certain cells from undergoing apoptosis, also known as programmed cell death. Understanding the fine points of apoptosis is important to researchers seeking ways to control this process.

1 Mar 2008

Electronic structure of single DNA molecules revealed

Utilizing a technique that combines low temperature measurements and theoretical calculations, Hebrew University of Jerusalem scientists and others have revealed for the first time the electronic structure of single DNA molecules.

28 Feb 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

Does artificial intelligence help clinicians to recognize atrophic gastritis with thyroid disease?

The association of ABG with thyroid disorders (TD) was first described about 40 years ago.

28 Feb 2008

IRIS International completes study of 85 post-prostatectomy patients using investigational NADiA PSA assay

IRIS International Inc. has announced that its Iris Molecular Diagnostics (IMD) group has successfully completed a retrospective study of stored leftover serum of 85 post-prostatectomy patients, men who had their prostate removed due to prostate cancer, using its investigational NADiA (Nucleic Acid Detection ImmunoAssay) PSA Assay.

27 Feb 2008

Are tumors causing stricture of bile duct always malignant?

The benign biliary tract tumor is rarely found in clinical practice.

26 Feb 2008

Biochemists reveal details of mysterious bacterial microcompartments

UCLA biochemists and colleagues have answered an important question about the structure of microcompartments - the mysterious molecular machines that seem to be present in a wide variety of pathogens and other bacteria.

21 Feb 2008

Lead exposure may lead to adult-onset obesity in men

Scientists know exposure to low levels of lead can result in learning disabilities, hearing loss, language impairments and vision loss, but a newly discovered side effect may be adult-onset obesity in men, according to a University of Houston professor.

21 Feb 2008