ScienceDaily: Top Health News

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• Some deadly breast cancers share genetic features with ovarian tumors
• Researchers solve puzzle of B-cell lymphoma development
• New chemistry technique reproduces nature's elusive complexity
• Researchers develop editing toolkit for customizing zebrafish genomes

Some deadly breast cancers share genetic features with ovarian tumors Posted: 23 Sep 2012 11:51 AM PDT The most comprehensive analysis yet of breast cancer shows that one of the most deadly subtypes is genetically more similar to ovarian tumors than to other breast cancers. The findings suggest that most basal-like breast tumors and ovarian tumors have similar genetic origins and potentially could be treated with the same drugs.

Researchers solve puzzle of B-cell lymphoma development Posted: 23 Sep 2012 11:51 AM PDT In germinal centers, immune cells learn to fight pathogens with high specificity. Researchers have now identified subpopulations of B cells at the germinal centers which express the proto-oncogene Myc (red). They showed that Myc is essential for the formation and maintenance of germinal centers. Their findings have implications for the pathogenesis of B-cell lymphomas.

New chemistry technique reproduces nature's elusive complexity Posted: 23 Sep 2012 11:18 AM PDT Scientists have shown how to synthesize in the laboratory an important set of natural compounds known as terpenes. The largest class of chemicals made by living organisms, terpenes are made within cells by some of the most complex chemical reactions found in biology.

Researchers develop editing toolkit for customizing zebrafish genomes Posted: 23 Sep 2012 11:12 AM PDT An international team of scientists has developed a highly-efficient means of editing zebrafish genomes for research purposes, eliminating a bottleneck that has stymied biomedical scientists from using the fish as a model for human disease.

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