Scientists from MITs Center for Cancer Research have developed a new mouse model that closely resembles Li-Fraumeni Syndrome (LFS) in humans, a syndrome that predisposes those affected to a broad range of cancers. Some 95 percent of LFS patients develop cancer by age 65.
This work, which was reported in the Dec. 17 issue of Cell, could lead to a treatment for LFS and aid in the development of treatments for other cancers.
The research shows that a single point mutation in the tumor suppressor gene p53 yields a mouse that develops a broad tumor spectrum reminiscent of LFS. Although LFS is a rare genetic disease, affecting fewer than 400 families worldwide, the p53 gene is very commonly mutated in tumors unrelated to LFS. Mutations in p53 are detected in more than 50 percent of all human tumors, such as colon, breast, skin, bladder and many cancers of the digestive tract. Consequently, the development of a therapy for LFS specifically targeted at p53 has the potential to be applied to a wide range of cancers.
Elizabeth Thomson | MIT News Office
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In a recent publication in the renowned journal Optica, scientists of Leibniz-Institute of Photonic Technology (Leibniz IPHT) in Jena showed that they can accurately control the optical properties of liquid-core fiber lasers and therefore their spectral band width by temperature and pressure tuning.
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The BMBF-funded OWICELLS project was successfully completed with a final presentation at the BMW plant in Munich. The presentation demonstrated a Li-Fi communication with a mobile robot, while the robot carried out usual production processes (welding, moving and testing parts) in a 5x5m² production cell. The robust, optical wireless transmission is based on spatial diversity; in other words, data is sent and received simultaneously by several LEDs and several photodiodes. The system can transmit data at more than 100 Mbit/s and five milliseconds latency.
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