ScienceDaily: Biotechnology News |
- Dramatic diversity of columbine flowers explained by a simple change in cell shape
- Engineered, drug-secreting blood vessels reverse anemia in mice
- Creation of the largest human-designed protein boosts protein engineering efforts
- Milk thistle extract stops lung cancer in mice, study shows
- New biosensor benefits from melding of carbon nanotubes, DNA
| Dramatic diversity of columbine flowers explained by a simple change in cell shape Posted: 15 Nov 2011 04:11 PM PST Columbine flowers are recognizable by the long, trailing nectar spurs that extend from the bases of their petals, tempting the taste buds of their insect pollinators. New research helps to explain how columbines have achieved a rapid radiation of approximately 70 species, with flowers apparently tailored to the length of their pollinators' tongues.  |
| Engineered, drug-secreting blood vessels reverse anemia in mice Posted: 15 Nov 2011 03:03 PM PST Patients who rely on recombinant, protein-based drugs must often endure frequent injections, often several times a week, or intravenous therapy. Researchers have demonstrated the possibility that blood vessels, made from genetically engineered cells, could secrete the drug on demand directly into the bloodstream. In a new study, they provide proof-of-concept, reversing anemia in mice with engineered vessels secreting erythropoietin (EPO).  |
| Creation of the largest human-designed protein boosts protein engineering efforts Posted: 15 Nov 2011 03:03 PM PST Chemists have designed and successfully synthesized the largest artificial protein using a new approach that greatly expands scientists' ability to create proteins unknown in nature.  |
| Milk thistle extract stops lung cancer in mice, study shows Posted: 15 Nov 2011 11:52 AM PST A new study shows that the milk thistle extract, silibinin, interferes with cell signaling that otherwise leads to the production of tumor-causing enzymes COX2 and iNOS.  |
| New biosensor benefits from melding of carbon nanotubes, DNA Posted: 15 Nov 2011 10:30 AM PST Scientists have developed a method for stacking synthetic DNA and carbon nanotubes onto a biosensor electrode, a development that may lead to more accurate measurements for research related to diabetes and other diseases.  |
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