Mikael Hartman from the Karolinska Institute in Stockholm, Sweden led an international team, identifying 2,787 mother-daughter pairs and 831 sister pairs among women with breast cancer diagnosed between 1961 and 2001 from Sweden’s national Multi-Generation Register.
They found that a woman’s breast cancer prognosis predicts the survival of her first-degree relatives with breast cancer. Mothers surviving breast cancer after five years, had daughters with a 91 percent chance of surviving the disease. But only 87 percent of daughters whose mothers had died within five years survived. Being sister to a woman who had died of breast cancer within five years gave a 70 percent chance of survival from breast cancer, whereas chances improved to 88 percent if she had survived. Overall, a poor prognosis for a woman gave first-degree relatives a 60-80 percent higher chance of breast cancer mortality within the five-year timeframe.
Access to health care in Sweden is good irrespective of socio-economic status, so these factors are unlikely to have biased the findings. Women with a mother or sister who has had breast cancer are also likely to be more aware of the disease, making delays in seeking treatment unlikely. As well as genetics, other risk factors such as obesity and hormone replacement therapy probably play a role in the incidence and outcome of breast cancer. Dr Hartman says the findings are “relevant to women with newly diagnosed breast cancer,” and to those treating them. The next step will be to understand what is inherited; tumor biology, response to therapy or vigilance of the immune system.
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More and more automobile companies are focusing on body parts made of carbon fiber reinforced plastics (CFRP). However, manufacturing and repair costs must be further reduced in order to make CFRP more economical in use. Together with the Volkswagen AG and five other partners in the project HolQueSt 3D, the Laser Zentrum Hannover e.V. (LZH) has developed laser processes for the automatic trimming, drilling and repair of three-dimensional components.
Automated manufacturing processes are the basis for ultimately establishing the series production of CFRP components. In the project HolQueSt 3D, the LZH has...
Reflecting the structure of composites found in nature and the ancient world, researchers at the University of Illinois at Urbana-Champaign have synthesized thin carbon nanotube (CNT) textiles that exhibit both high electrical conductivity and a level of toughness that is about fifty times higher than copper films, currently used in electronics.
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The nearby, giant radio galaxy M87 hosts a supermassive black hole (BH) and is well-known for its bright jet dominating the spectrum over ten orders of magnitude in frequency. Due to its proximity, jet prominence, and the large black hole mass, M87 is the best laboratory for investigating the formation, acceleration, and collimation of relativistic jets. A research team led by Silke Britzen from the Max Planck Institute for Radio Astronomy in Bonn, Germany, has found strong indication for turbulent processes connecting the accretion disk and the jet of that galaxy providing insights into the longstanding problem of the origin of astrophysical jets.
Supermassive black holes form some of the most enigmatic phenomena in astrophysics. Their enormous energy output is supposed to be generated by the...
The probability to find a certain number of photons inside a laser pulse usually corresponds to a classical distribution of independent events, the so-called...
Microprocessors based on atomically thin materials hold the promise of the evolution of traditional processors as well as new applications in the field of flexible electronics. Now, a TU Wien research team led by Thomas Müller has made a breakthrough in this field as part of an ongoing research project.
Two-dimensional materials, or 2D materials for short, are extremely versatile, although – or often more precisely because – they are made up of just one or a...
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