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.
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05.04.2018 | Leibniz-Institut für Ostseeforschung Warnemünde
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14.02.2018 | Rutgers University
University of Connecticut researchers have created a biodegradable composite made of silk fibers that can be used to repair broken load-bearing bones without the complications sometimes presented by other materials.
Repairing major load-bearing bones such as those in the leg can be a long and uncomfortable process.
Study published in the journal ACS Applied Materials & Interfaces is the outcome of an international effort that included teams from Dresden and Berlin in Germany, and the US.
Scientists at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) together with colleagues from the Helmholtz-Zentrum Berlin (HZB) and the University of Virginia...
Novel highly efficient and brilliant gamma-ray source: Based on model calculations, physicists of the Max PIanck Institute for Nuclear Physics in Heidelberg propose a novel method for an efficient high-brilliance gamma-ray source. A giant collimated gamma-ray pulse is generated from the interaction of a dense ultra-relativistic electron beam with a thin solid conductor. Energetic gamma-rays are copiously produced as the electron beam splits into filaments while propagating across the conductor. The resulting gamma-ray energy and flux enable novel experiments in nuclear and fundamental physics.
The typical wavelength of light interacting with an object of the microcosm scales with the size of this object. For atoms, this ranges from visible light to...
Stable joint cartilage can be produced from adult stem cells originating from bone marrow. This is made possible by inducing specific molecular processes occurring during embryonic cartilage formation, as researchers from the University and University Hospital of Basel report in the scientific journal PNAS.
Certain mesenchymal stem/stromal cells from the bone marrow of adults are considered extremely promising for skeletal tissue regeneration. These adult stem...
In the fight against cancer, scientists are developing new drugs to hit tumor cells at so far unused weak points. Such a “sore spot” is the protein complex...
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