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Scientists discover viruses containing genes for antibiotic resistance in fossilized human feces

A team of French investigators has discovered viruses containing genes for antibiotic resistance in a fossilized fecal sample from 14th century Belgium, long before antibiotics were used in medicine.

28 Feb 2014

Longer looks: Doctor training for ADHD, Obamacare and epilepsy, clues in a drop of blood

Jerry, 9 years old, dissolved into his Game Boy while his father described his attentional difficulties to the family pediatrician.

21 Feb 2014

Taste receptors act as first line sentinels against infection in upper airway

The body uses mucus as a protective barrier to defend against pathogens, toxins, and allergens in the upper respiratory tract that can lead to such conditions as chronic sinusitis.

19 Feb 2014

Experts sound alarm about the dangers of industrial chemicals on children’s health

In a Review published in The Lancet Neurology, two of the world’s leading experts on the link between environment and children’s health are sounding the alarm on the dangers of industrial chemicals. They are calling on countries to transform their chemical risk-assessment procedures in order to protect children from everyday toxins that may be causing a global “silent epidemic” of brain development disorders.

18 Feb 2014

Two new mechanisms open alternative approaches to antibiotics development

The first mechanism disrupts the arrangement of amino acids required for the cohesion of the protease subunits. As a result the protease breaks into two parts. The second acts directly on the core of the active center.

14 Feb 2014

Researchers learn about the impact invasive zebra mussels have on risk of algae blooms

Researchers at Grand Valley State University's Annis Water Resources Institute are learning more about the impact invasive zebra mussels and native aquatic insect larvae have on the risk of algae blooms in two West Michigan lakes. The results of the research will be published in the journal Oikos.

13 Feb 2014

Cedars-Sinai receives $1M grant to study molecular changes in brain due to air pollutants

Researchers at the Maxine Dunitz Neurosurgical Institute and Department of Neurosurgery at Cedars-Sinai will conduct a study to determine if several potentially toxic compounds that exist in polluted air are capable of entering the brain from the bloodstream and causing brain cancer.

12 Feb 2014

Researchers discover biological switch that regulates protein that causes fatty liver disease in mice

Studying a cycle of protein interactions needed to make fat, Johns Hopkins researchers say they have discovered a biological switch that regulates a protein that causes fatty liver disease in mice.

11 Feb 2014

Researchers examine how toxin triggers motor neuron death

In most cases of amyotrophic lateral sclerosis (ALS), or Lou Gehrig's disease, a toxin released by cells that normally nurture neurons in the brain and spinal cord can trigger loss of the nerve cells affected in the disease, Columbia researchers reported today in the online edition of the journal Neuron.

7 Feb 2014

TSRI scientists discover unusual protein that probably helps some bacteria evade immune response

A team led by scientists at The Scripps Research Institute (TSRI) has discovered an unusual bacterial protein that attaches to virtually any antibody and prevents it from binding to its target. Protein M, as it is called, probably helps some bacteria evade the immune response and establish long-term infections.

7 Feb 2014

Llama-derived antibodies open door to development of new treatments for C. difficile infections

Researchers from the Alberta Glycomics Centre at the University of Calgary and the University of Alberta, in collaboration with researchers at the National Research Council of Canada in Ottawa, have revealed the first molecular views showing how highly specific antibodies derived from llamas may provide a new method for controlling deadly infections from the opportunistic bacterial pathogen Clostridium difficile (C. difficile).

31 Jan 2014

REM sleep, memory and depression: an interview with Dr Penny Lewis, University of Manchester

Usually you don’t go into REM until you’ve passed through all the other stages of sleep. The stage immediately before REM is slow-wave sleep.

From The University of Manchester 29 Jan 2014

Scientists discover novel mechanism that influences GAS virulence at early steps of necrotizing fasciitis

How does Streptococcus pyogenes, or Group A streptococcus (GAS) — a bacterial pathogen that can colonize humans without causing symptoms or can lead to mild infections — also cause life-threatening diseases such as necrotizing fasciitis (commonly known as flesh-eating disease) and streptococcal toxic shock syndrome?

21 Jan 2014

Hope in sight for sufferers of chronic renal disease

Miss M. spends around 15 hours a week in hospital. Her renal functions are limited, and her kidneys are no longer able to filter toxins from her blood. She is a dialysis patient, forced to rely on this artificial blood purification treatment that, although essential, greatly impairs her quality of life. She has to make three trips a week to the dialysis clinic and going away for longer than a few days is almost out of the question. And Miss M. is no exception: In Germany alone, over six million people suffer from some form of chronic renal disease.

17 Jan 2014

Research opens way to possible new treatments for bacterial infections

How does Streptococcus pyogenes, or Group A streptococcus (GAS) - a bacterial pathogen that can colonize humans without causing symptoms or can lead to mild infections - also cause life-threatening diseases such as necrotizing fasciitis (commonly known as flesh-eating disease) and streptococcal toxic shock syndrome?

17 Jan 2014

Study links racism-related factors and biological aging among African American men

A new study reveals that racism may impact aging at the cellular level. Researchers found signs of accelerated aging in African American men, ages reporting high levels of racial discrimination and who had internalized anti-Black attitudes.

8 Jan 2014

Landes Bioscience releases special issue on sepsis

A special issue on sepsis has been released by the publisher Landes Bioscience (Austin, TX USA). The articles contained in this special issue of the journal Virulence have been authored by world-class investigators and provide new insights into both the pathogen-related factors and the host defense mechanisms that lead to septic shock and contribute to its resolution or fatal outcome.

7 Jan 2014

Mutations in small proteins that help convey electrical signals may influence nerve health

Mutations in small proteins that help convey electrical signals throughout the body may have a surprisingly large effect on health, according to results of a new Johns Hopkins study study published in Proceedings of the National Academy of Sciences in December using spider, scorpion and sea anemone venom.

7 Jan 2014

Uneven distribution of cellular organelles during cell division may enhance bacterial population's survival

Although a population of bacteria may be genetically identical, individual bacteria within that population can act in radically different ways.

3 Jan 2014

Researchers develop new vaccine that protects against lethal pneumonia caused by staph bacteria

University of Iowa researchers have developed a new vaccine that protects against lethal pneumonia caused by Staphylococcus aureus (staph) bacteria, including drug-resistant strains like MRSA.

23 Dec 2013