Life Sciences |
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Professor Chaim Cedar, from the Department Developmental Biology and Cancer Research of the Hebrew University of Jerusalem answers questions. Our genetic information contains an "instruction booklet" of how to make up all the components in our body. But when these instructions are interpreted the wrong way—or gene regulation goes awry—it can cause many diseases, including cancer. In the follow up video to this month's Expert on the Spot, Prof. Chaim Cedar, of the Department of Developmental Biology and Cancer Research at the Faculty of Medicine, answers your questions about the role of gene regulation in cancer.
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Dubey and Sigal Ben-Yehuda discuss their study in this video. Bacteria are known to communicate primarily via the production and secret of extracellular signaling molecules. We identify a previously uncharacterized type of bacterial communication mediated by nanotubes that bridge neighboring cells. Via these tubes bacteria are able to exchange small molecules, proteins and even small genetic elements (known as plasmids). This mechanism can facilitate the acquisition of new features such as antibiotic resistance and therefore may have important medical implications.
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The Israeli company eXaudios has developed a process, which automatically analyses speech, and decipers the emotions behind the vioce. The secret is understanding and decoding the intonations. Over 400 emotions can be processed and identified.
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An Israeli biotech company has produced two important innovations: one that can easily diagnose sleep apnea and another capable of predicting heart disease. With the new WatchPAT indicators are measured such as oxygen level, body position and snoring -- sleep apnea can now be monitored and diagnosed in a wireless situation, from the comfort of one's home. The information that it records is downloaded to a PC by a doctor, and the software instantly analyzes and produces a comprehensive report.
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BrainsGate is an Israeli medical device company that has developed some groundbreaking advances in the field of neurology. Two of their most exciting inventions are a device which controls blood flow to the brain from inside the mouth and another one which allows doctors to introduce medicines to the brain. This platform technology has been shown to increase blood flow to the brain and as a result has broad potential for treating central nervous system disorders. BrainsGate is currently focusing on: 1. Improve the outcome of patients suffering from ischemic stroke in a 24 hour window after onset of symptoms. 2. Long-term SPG stimulation for the treatment of vascular dementia patients.
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Dr. Amit Geffen, an international leader in medical sciences, is revolutionizing human tissue engineering. Through his extensive research there will be an exponential decline in the number of test animals utilized for research. Dr. Geffens technology will allow improvements to be made on medications digitally.
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Medical researchers in Tel Aviv have identified a substance that can kill cancerous cells without harming healthy ones. So far, experiments have only been carried out on mice, but they hope the discovery may pave the way for more effective cancer treatment. An Israeli research scientist has accidentally discovered a chemical compound that eradicates cancer cells without harming normal cells in the process. The substance may prove to be the long sought-after "holy grail" in the wider field of cancer treatment. For now, it shows promise as a specific weapon against breast cancer. Prof. Malka Cohen-Armon, a biochemist at Tel Aviv University, tells ISRAEL21C that the compound is a component of a family of drugs developed 10 years ago to preserve nerve cells stressed by a stroke or inflammation. But further study showed the drugs were inappropriate for their intended use, and they were released only for research purposes.
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