A new study finds increasing evidence a virus may play a role in breast cancer. The study, published July 12, 2004 in the online edition of CANCER, a peer-reviewed journal of the American Cancer Society, finds nearly three-quarters of a small sample of Tunisian breast cancer patients showed evidence of a virus similar to one known to cause breast cancer in mice, twice the rate seen in women in the United States. A free abstract of the study will be available via Wiley InterScience.
Viruses play a primary role in the development of several cancers, such as the human T-cell lymphotropic virus and adult T-cell leukemia/lymphoma or human herpes virus 8 (HHV8) and Kaposi sarcoma (KS). Geographic variability has also been noted in these cancer-promoting viruses. For example, KS and HHV8 are least common in the U.S. and more common in the Mediterranean and Central African regions.
Existing epidemiological evidence and animal models suggest that a virus may be involved in the development of certain breast cancers. Previous analyses of human breast tissue samples found viral sequences from the mouse mammary tumor virus (MMTV) in a large percentage of breast cancers but not in normal tissue. MMTV may be spread by a species of house mouse that is extremely common in North Africa but less so in the U.S. Studies show that some colonies of these mice are commonly infected with MMTV.
Antarctic Ice Sheet mass loss has increased
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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.
Already last year, the researchers provided experimental proof of a new dynamic of hybrid solitons– temporally and spectrally stationary light waves resulting...
Scientists from the University of Freiburg and the University of Basel identified a master regulator for bone regeneration. Prasad Shastri, Professor of...
Moving into its fourth decade, AchemAsia is setting out for new horizons: The International Expo and Innovation Forum for Sustainable Chemical Production will take place from 21-23 May 2019 in Shanghai, China. With an updated event profile, the eleventh edition focusses on topics that are especially relevant for the Chinese process industry, putting a strong emphasis on sustainability and innovation.
Founded in 1989 as a spin-off of ACHEMA to cater to the needs of China’s then developing industry, AchemAsia has since grown into a platform where the latest...
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.
Modern production technologies in the automobile industry must become more flexible in order to fulfil individual customer requirements.
An international team of scientists has discovered a new way to transfer image information through multimodal fibers with almost no distortion - even if the fiber is bent. The results of the study, to which scientist from the Leibniz-Institute of Photonic Technology Jena (Leibniz IPHT) contributed, were published on 6thJune in the highly-cited journal Physical Review Letters.
Endoscopes allow doctors to see into a patient’s body like through a keyhole. Typically, the images are transmitted via a bundle of several hundreds of optical...
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