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DNA repair mechanisms relocate in response to stress

DNA repair mechanisms relocate in response to stress

Like doctors making house calls, some DNA repair enzymes can relocate to the part of the cell that needs their help, a collaborative team of scientists at Emory University School of Medicine has found.

29 Mar 2009

Discovery of new molecular mechanism for the processing of endocannabinoids

Discovery of new molecular mechanism for the processing of endocannabinoids

Dale Deutsch, Ph.D., Professor of Biochemistry and Cell Biology at Stony Brook University and colleagues discovered a new molecular mechanism for the processing of endocannabinoids, brain compounds similar to THC, the active ingredient in marijuana, and essential in physiological processes such as pain, appetite, and memory.

24 Mar 2009

New insights may help HIV and cancer patients

New insights may help HIV and cancer patients

Important progress in understanding the function of tetherin, known to have both anti-cancer and anti-viral properties, has been made by researchers at the University of Bristol.

24 Mar 2009

Researchers identify genetic machinery responsible for synthesizing thiostrepton

Researchers identify genetic machinery responsible for synthesizing thiostrepton

Researchers at the Georgia Institute of Technology have identified the genetic machinery responsible for synthesizing thiostrepton, a powerful antibiotic produced by certain bacteria.

23 Mar 2009

Scientists make a new protein from scratch

Scientists make a new protein from scratch

No doubt proteins are complex. Most are "large" and full of interdependent branches, pockets and bends in their final folded structure.

23 Mar 2009

Human adult testes cells can become embryonic-like

Human adult testes cells can become embryonic-like

Using what they say is a relatively simple method, scientists at Georgetown University Medical Center have extracted stem/progenitor cells from testes and have converted them back into pluripotent embryonic-like stem cells.

23 Mar 2009

Coenzyme rare to bacteria critical to Mycobacterium tuberculosis survival

Coenzyme rare to bacteria critical to Mycobacterium tuberculosis survival

Coenzyme F420, a small molecule that helps certain enzymes transfer electrons, is found in microorganisms known as methane-producing archaea, some of which thrive in extreme environments.

23 Mar 2009

Scientists find molecular mechanisms linking sugar production and longevity

Scientists find molecular mechanisms linking sugar production and longevity

Johns Hopkins researchers have discovered a new energy-making biochemical twist in determining the lifespan of yeast cells, one so valuable to longevity that it is likely to also functions in humans.

23 Mar 2009

Gold nanoparticles "cook" cancer cells

Gold nanoparticles "cook" cancer cells

Researchers are describing a long-awaited advance toward applying the marvels of nanotechnology in the battle against cancer.

22 Mar 2009

Hollow gold nanospheres show promise in cancer therapy

Hollow gold nanospheres show promise in cancer therapy

A new metal nanostructure developed by researchers at the University of California, Santa Cruz, has already shown promise in cancer therapy studies and could be used for chemical and biological sensors and other applications as well.

22 Mar 2009

Discovery of gene that plays key role in process of converting dietary carbohydrates to fat

Discovery of gene that plays key role in process of converting dietary carbohydrates to fat

In a new study, they disabled this gene in mice, which consequently had lower levels of body fat than their normal counterparts, despite being fed the equivalent of an 'all-you-can-eat' pasta buffet.

20 Mar 2009

Step towards new cancer drugs

Step towards new cancer drugs

The gene Myc is an important factor for the growth of organisms by cell division.

20 Mar 2009

Researchers clone key sperm-binding proteins

Researchers clone key sperm-binding proteins

New treatments for infertility could be closer to reality, thanks to a discovery from scientists at the Université de Montréal and Maisonneuve-Rosemont Hospital Research Centre.

17 Mar 2009

Alba Therapeutics announces next clinical trial of lead compound, Larazotide Acetate

Alba Therapeutics announces next clinical trial of lead compound, Larazotide Acetate

Alba Therapeutics Corporation announced today it will initiate further clinical studies for patients diagnosed with celiac disease with their lead compound, larazotide acetate.

17 Mar 2009

Drugs throw spanner into the molecular works of enzymes

Drugs throw spanner into the molecular works of enzymes

Drugs that work by blocking the function of a protein from the outside also disrupt the protein's internal workings, according to new research from the University of North Carolina at Chapel Hill.

16 Mar 2009

Next generation antibiotic compounds that do not provoke bacterial resistance

Next generation antibiotic compounds that do not provoke bacterial resistance

Bacterial resistance to antibiotics is one of medicine's most vexing challenges.

15 Mar 2009

Cells get two chances, not just one, to fix their mistakes

Cells get two chances, not just one, to fix their mistakes

Cells have two chances to fix the same mistake in their protein-making process instead of just one - a so-called proofreading step - that had previously been identified, according to new research.

12 Mar 2009

Discovery of new pathway that regulates inflammation

Discovery of new pathway that regulates inflammation

Inflammation, the body's earliest response to damage or infection, can aid the healing process and trigger an immune response against invading pathogens.

11 Mar 2009

Too much sugar linked to aging

Too much sugar linked to aging

We know that lifespan can be extended in animals by restricting calories such as sugar intake.

8 Mar 2009

Molecule tracking reveals mechanism of chromosome separation in dividing cells

Molecule tracking reveals mechanism of chromosome separation in dividing cells

University of Washington (UW) researchers are helping to write the operating manual for the nano-scale machine that separates chromosomes before cell division.

8 Mar 2009

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