Adelaide researchers say they might have found a better way to use anti-inflammatory drugs to prevent breast cancer. The Hospital Research Foundation has identified a protein that causes inflammation and increased breast density in some women, increasing their cancer risk :: Read the full article »»»»
The New England Journal of Medicine yesterday published a case study about a HIV-positive Colombian man who had tumours that yielded puzzling biopsy results: the cells were definitely cancer-like, but the cells were not human.
Three years of tests finally revealed the man had been infected by a tapeworm that had contracted cancer, which had then spread around the man’s body.
The man’s weakened immune system made him particularly susceptible to the tapeworm’s cancer cells, according to scientists and the US Centres for Disease Control and Prevention (CDC), which helped diagnose the man :: Read the full article »»»»
The team from Peter MacCallum Cancer Institute used PET/CT – Positron Emission Tomography / Computed Tomography – scans to determine the location and stage of tumours in 76 patients with locally advanced non-small cell lung cancer.
The patients were treated with a combination of radical radiation therapy and chemotherapy, leading to a four year survival rate of 32 per cent, the highest ever published.
Research team leader, Associate Professor Michael MacManus, says that is dramatically higher than the historic average of between 10 and 20 per cent.
PET/CT scanning uses a device which combines both PET and an x-ray Computed Tomography, so that the produced images – taken by both devices sequentially – combine into a single superposed image, a 3D map. The image shows the spatial distribution of metabolic activity in the body can be more precisely :: Read the full article »»»»
An American study has found that women who take regular doses of aspirin may be less likely to develop melanoma. Researchers followed almost 60,000 women aged 50 to 79 for an average of 12 years.
Overall, women who took regular doses of aspirin had a 21 per cent lower risk of developing melanoma than non-users. The longer the women used aspirin, the lower the risk.
Alecia Brooks from the Cancer Institute of New South Wales says Australia has the highest melanoma rates in the world. She says while it is interesting research, covering up from the sun remains the best way to protect yourself.
“With the highest rates of melanoma in the world, we’re still obviously a little bit concerned that people may feel that if they take aspirin then they can be less vigilant about staying out in the sun,” she said.
The research is published in the journal Cancer.
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Australian researchers have discovered a key factor explaining the lack of effectiveness of some breast cancer treatments. Associate Professor Chris Ormandy from Sydney’s Garvan Institute says a protein he has been studying for a decade plays a critical role in the development of breast cancer.
The researchers have shown how a ‘transcription factor’ causes breast cancer to develop an aggressive subtype that lacks sensitivity to oestrogen and does not respond to anti-oestrogen therapies such as Tamoxifen and aromatase inhibitors.
Transcription factors are molecules that switch genes on or off. In this case, the transcription factor known as ‘ELF5’ inhibits sensitivity to oestrogen very early in the life of a breast cancer cell :: Read the full article »»»»