News tagged with human molecular
Genetic regulation of metabolomic biomarkers -- paths to cardiovascular diseases and type 2 diabetes
In a study to the genetic variance of human metabolism, researchers have identified thirty one regions of the genome that were associated with levels of circulating metabolites, i.e., small molecules that ...
Jan 29, 2012 |
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Gender differences in liver cancer risk explained by small changes in genome
Men are four times more likely to develop liver cancer compared to women, a difference attributed to the sex hormones androgen and estrogen. Although this gender difference has been known for a long time, ...
Jan 19, 2012 |
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Study uncovers how DNA unfolds for transcription
(PhysOrg.com) -- The human genome contains some 3 billion base pairs that are tightly compacted into the nucleus of each cell. If a DNA strand were the thickness of a human hair, the entire human genome would ...
Jan 17, 2012 |
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New way to learn about, potentially block traits in harmful pathogens
Researchers at Duke University Medical Center have developed a new way to identify the genes of harmful microbes, particularly those that have been difficult to study in the laboratory.
Jan 09, 2012 |
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Scientists create first 3-D map of human genome
(PhysOrg.com) -- For the first time, scientists have developed a method for generating accurate three-dimensional models of the entire DNA strand of a cell, known as a genome.
Jan 04, 2012 |
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New research illustrates how genome adapts to transposon invasion
Small, mobile sequences of DNA left over from viruses, called transposons or "jumping genes" because of their ability to move around the genome, pose a significant threat to the genetic integrity and stability of an organism. ...
Dec 22, 2011 |
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Study: Eating less keeps the brain young
Overeating may cause brain aging while eating less turns on a molecule that helps the brain stay young.
Dec 19, 2011 |
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First molecular evidence links live poultry markets to human H5N1 infection in China
Sequences of H5N1 virus from live bird markets in China matched sequences from patients who had recently visited the live bird markets, according to a paper in the December 2011 Journal of Virology. Live poultry markets have long been suspected of providing the ...
Dec 16, 2011 |
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U.S. Supreme Court petitioned to review AMP, et al. lawsuit on gene patents
The American Civil Liberties Union and the Public Patent Foundation have petitioned the U.S. Supreme Court to hear Association for Molecular Pathology v. U.S. Patent and Trademark Office, a case that challenges the validity ...
Dec 15, 2011 |
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A good nose: Researchers decipher interaction of fragrances and olfactory receptors
Banana, mango or apricot - telling these smells apart is no problem for the human nose. How the olfactory organ distinguishes such similar smells has been uncovered by an interdisciplinary team of German researchers at the ...
Chemistry / Analytical Chemistry
Dec 13, 2011 |
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New leads on mechanisms that confer virulence to E.coli-type bacteria
A team headed by scientists from the IRB Barcelona reports how the protein Ler, which is found in pathogenic bacteria, interacts with certain DNA sequences, thereby activating numerous genes responsible for ...
Dec 09, 2011 |
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Bush embryonic stem cell lines different from newly derived cell lines
Established human embryonic cell lines, including those approved for federal research funding under former President George W. Bush, are different than newly derived human embryonic stem cell lines, according to a study by ...
Dec 01, 2011 |
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Researchers engineer blood stem cells to fight melanoma
Researchers from UCLA's cancer and stem cell centers have demonstrated for the first time that blood stem cells can be engineered to create cancer-killing T-cells that seek out and attack a human melanoma. The researchers ...
Nov 28, 2011 |
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Researchers unlock bacteria's beneficial side
Researchers now understand how bacteria can break down phosphonic acids, persistent and potentially hazardous environmental pollutants found in many common medicinal products, detergents and herbicides.
Nov 28, 2011 |
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Study identifies a key molecular switch for telomere extension by telomerase
Researchers at the University of Illinois at Chicago College of Medicine describe for the first time a key target of DNA damage checkpoint enzymes that must be chemically modified to enable stable maintenance of chromosome ...
Nov 23, 2011 |
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