ScienceDaily: Top Health News |
- New MRI method may help diagnose dementia
- Ability to metabolize tamoxifen affects breast cancer outcomes
- Immune system changes may drive aggressiveness of recurrent tumors
- Elevated levels of C-reactive protein appear associated with psychological distress, depression
- Transfusions add risk in some heart attacks, finds study of patients with anemia
- Scientists sequence genome of pathogen responsible for pneumocystis pneumonia
- Enzyme accelerates malignant stem cell cloning in chronic myeloid leukemia
- Biologists identify proteins vital to chromosome segregation
- Eyes may provide a look into multiple sclerosis progression
| New MRI method may help diagnose dementia Posted: 26 Dec 2012 01:41 PM PST A new way to use MRI scans may help determine whether dementia is Alzheimer's disease or another type of dementia, according to new research.  |
| Ability to metabolize tamoxifen affects breast cancer outcomes Posted: 26 Dec 2012 12:30 PM PST For nearly a decade, breast cancer researchers studying the hormone therapy tamoxifen have been divided as to whether genetic differences in a liver enzyme affect the drug's effectiveness and the likelihood breast cancer will recur. A new study provides evidence that genetic differences in the enzyme CYP2D6 play a key role in how well tamoxifen works.  |
| Immune system changes may drive aggressiveness of recurrent tumors Posted: 26 Dec 2012 12:30 PM PST The traditional view of recurrent tumors is that they are resistant to therapy because they've acquired additional genetic mutations that make them more aggressive and impervious to drugs. Now, however, researchers show in an animal model that the enhanced aggressiveness of recurrent tumors may be due to changes in the body's immune response.  |
| Elevated levels of C-reactive protein appear associated with psychological distress, depression Posted: 26 Dec 2012 05:10 AM PST Elevated levels of C-reactive protein, a marker of inflammatory disease, appear to be associated with increased risk of psychological distress and depression in the general population of adults in Denmark, according to a new study.  |
| Transfusions add risk in some heart attacks, finds study of patients with anemia Posted: 26 Dec 2012 05:09 AM PST A new study finds that while blood transfusions for heart attack patients with anemia are commonly performed in emergency rooms, the practice can increase the risk of death when the transfusions are too extensive. The authors, led by Saurav Chatterjee, a cardiology fellow at Brown University, compared evidence from 10 prior studies of more than 203,000 patients.  |
| Scientists sequence genome of pathogen responsible for pneumocystis pneumonia Posted: 26 Dec 2012 05:09 AM PST Scientists have sequenced the genome of the fungus Pneumocystis jirovecii, an advancement that could help identify new targets for drugs to treat and prevent Pneumocystis pneumonia, a common and often deadly infection in immunocompromised patients.  |
| Enzyme accelerates malignant stem cell cloning in chronic myeloid leukemia Posted: 26 Dec 2012 05:03 AM PST An international team has identified a key enzyme in the reprogramming process that promotes malignant stem cell cloning and the growth of chronic myeloid leukemia (CML), a cancer of the blood and marrow that experts say is increasing in prevalence.  |
| Biologists identify proteins vital to chromosome segregation Posted: 26 Dec 2012 05:03 AM PST Biologists have identified how a vital protein is loaded by others into the centromere, the part of the chromosome that plays a significant role in cell division. Their findings shed new light on genome replication and may offer insights into the factors behind the production of abnormal numbers of chromosomes.  |
| Eyes may provide a look into multiple sclerosis progression Posted: 26 Dec 2012 05:03 AM PST New research suggests that thinning of a layer of the retina in the eyes may show how fast multiple sclerosis (MS) is progressing in people with the disease.  |
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