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Whooping cough bacterium evolving in Australia, research shows

Whooping cough bacterium evolving in Australia, research shows

The bacterium that causes whooping cough, Bordetella pertussis , has changed in Australia — most likely in response to the vaccine used to prevent the disease — with a possible reduced effectiveness of the vaccine as a result, a new study shows. A UNSW-led team of researchers analyzed strains of Bordetella pertussis from across Australia and found that many strains no longer produce a key surface protein called pertactin Continue reading

MRI pinpoints region of brain injury in some concussion patients

MRI pinpoints region of brain injury in some concussion patients

Researchers using information provided by a magnetic resonance imaging (MRI) technique have identified regional white matter damage in the brains of people who experience chronic dizziness and other symptoms after concussion. The findings suggest that information provided by MRI can speed the onset of effective treatments for concussion patients. The results of this research are published online in the journal Radiology Continue reading

MRI pinpoints region of brain injury in some concussion patients

MRI pinpoints region of brain injury in some concussion patients

Researchers using information provided by a magnetic resonance imaging (MRI) technique have identified regional white matter damage in the brains of people who experience chronic dizziness and other symptoms after concussion. The findings suggest that information provided by MRI can speed the onset of effective treatments for concussion patients. The results of this research are published online in the journal Radiology Continue reading

Experimental blood test spots recurrent breast cancers, monitors response to treatment

Experimental blood test spots recurrent breast cancers, monitors response to treatment

Johns Hopkins Kimmel Cancer Center investigators report they have designed a blood test that accurately detects the presence of advanced breast cancer and also holds promise for precisely monitoring response to cancer treatment. Continue reading

We’re over the hill at 24, study says

We’re over the hill at 24, study says

It’s a hard pill to swallow, but if you’re over 24 years of age you’ve already reached your peak in terms of your cognitive motor performance, according to a new Simon Fraser University study. SFU’s Joe Thompson, a psychology doctoral student, associate professor Mark Blair, Thompson’s thesis supervisor, and Andrew Henrey, a statistics and actuarial science doctoral student, deliver the news in a just-published PLOS ONE Journal paper Continue reading

Young dads at high risk of depression, too

Young dads at high risk of depression, too

Depression can hit young fathers hard — with symptoms increasing dramatically during some of the most important years of their children’s lives, a new Northwestern Medicine® study has found. Continue reading

Young dads at high risk of depression, too

Young dads at high risk of depression, too

Depression can hit young fathers hard — with symptoms increasing dramatically during some of the most important years of their children’s lives, a new Northwestern Medicine® study has found. Continue reading

How nerve cells flexibly adapt to acoustic signals

How nerve cells flexibly adapt to acoustic signals

How nerve cells flexibly adapt to acoustic signals: Depending on the input signal, neurons generate action potentials either near or far away from the cell body. Continue reading

How nerve cells flexibly adapt to acoustic signals

How nerve cells flexibly adapt to acoustic signals

How nerve cells flexibly adapt to acoustic signals: Depending on the input signal, neurons generate action potentials either near or far away from the cell body. Continue reading

Tumor-suppressor connects with histone protein to hinder gene expression

Tumor-suppressor connects with histone protein to hinder gene expression

A tumor-suppressing protein acts as a dimmer switch to dial down gene expression. It does this by reading a chemical message attached to another protein that’s tightly intertwined with DNA, a team led by scientists at The University of Texas MD Anderson Cancer Center reported at the AACR Annual Meeting 2014. The findings, also published in the journal Nature on April 10, provide evidence in support of the “histone code” hypothesis Continue reading