Diseases, Conditions, Syndromes

Coronary heart disease risk higher with COPD

Patients with chronic obstructive pulmonary disease (COPD) are more likely to have coronary heart disease (CHD), but no specific phenotypes have a higher risk, according to a study published online April 27 in PLOS ONE.

Neuroscience

Characterizing a toxic offender

The brains of individuals with Alzheimer's disease contain protein aggregates called plaques and tangles, which interfere with normal communication between nerve cells and cause progressive learning and memory deficits. Now, ...

Medical research

Researchers observe protein degradation in intact brain cells

Neurodegenerative diseases like Alzheimer's, Huntington's or Parkinson's are caused by defect and aggregated proteins accumulating in brain nerve cells that are thereby paralyzed or even killed. In healthy cells this process ...

HIV & AIDS

Scientists discover how HIV kills immune cells

Untreated HIV infection destroys a person's immune system by killing infection-fighting cells, but precisely when and how HIV wreaks this destruction has been a mystery until now. New research by scientists at the National ...

Oncology & Cancer

The sugar-attaching enzyme that defines colon cancer

Researchers have identified an enzyme that is absent in healthy colon tissue but abundant in colon cancer cells, according to a report in the Jan. 26 issue of the Journal of Biological Chemistry. The enzyme appears to drive ...

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