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Tag: "tumours" at biology news

CSIRO scientists join fight to save 'Tassie devil'

...ts, markers for disease and to determine where the tumours originate. “We will be working in a number o...r 30 affected animals where both tumour tissue and tumours grown in the laboratory were examined. A recent Senior Scientist’s Scientific Forum on the DFTD ...

Dealing deadly cancers a knockout punch

...als. It is rare to see the virtual elimination of tumours as well as the long-lasting therapeutic effect that was observed in this study. "Combination therapy results for reovirus in animals are particularly encouraging because they suggest that Reolysin can improve the anti-tumor activity of standard ch...

Scientists discover how body fights to control spread of cancer

...cted cells lose growth control and eventually form tumours at these sites. If caught early these tumours can be effectively removed surgically. However, when the cancer cells have invaded the blood, the ef...

Natural gut hormone offers hope for new obesity drug

...earch showing that people with benign PP-secreting tumours have elevated levels of the hormone and yet appear to show no adverse side-effects. "These people may have had high levels of PP for ten or fifteen years without showing side effects," he explains. "In that sense, they have provided us with a natur...

How T lymphocytes attack

Our immune system finds it difficult to eliminate tumours effectively. Deciphering the strategies it implem... to observe the route followed by T lymphocytes in tumours endowed with a particular antigen, ovalbumin (OVA) and in tumours which served as controls and were ...

A valuable fly for research into disease

...research into the development and proliferation of tumours will be a main topic of the conference. Ross Cagan, from the University of Washington, will present his recent research on a drug that has a direct effect on tumour progression. Cayetano González, from IRB Barcelona, will discuss his work on stem cel...

Vaccination with embryonic stem cells prevents lung cancer in mice

...sulted in 90% remaining tumour free. Importantly, tumours arising in vaccinated mice were, on average, about 80-90% smaller than tumours in unvaccinated mice. All the unvaccinated mice developed tumours. None of the vaccinated mice dev...

Using nature's most primitive anti-viral defense system to find new approaches to cancer research

...atfield, AICR's scientific adviser: "Metastasis of tumours (the spread of cancer cells around the body) is the cause of mortality in the majority of human cancers and it is a complex, multi-step process. Understanding the molecular mechanisms that underlie each stage is therefore an important goal for cance...

New target for cancer therapy identified

...d with benign tumours; it's a marker for malignant tumours only. "If we can control the production of telomerase we can prevent the immortality of cancer cells and therefore cancer formation." Associate Professor Liu and his colleagues have been investigating breast cancer cells to identify the molecular s...

Worm links cancer risk to ageing

...s play in the development of cancer ?or in causing tumours when the proteins are defective ?the findings raise the question of whether genetic variations in these proteins in humans places some individuals at risk of cancer. "Conversely, the checkpoint proteins may set a genetic course for a shorter life bu...

Liquorice cancer care

...on, but is unsuitable for most patients, and liver tumours are very resistant to chemotherapy. The American Cancer Society estimates that 18,510 new cases of primary livercancer and bile duct cancer will be diagnosed in the United States during2006, and around 16,200 people will die of liver cancer. Studies...

'Molecular assassin' targets disease gene

...p to 10 people with non-melanoma skin cancers. The tumours would be injected with the drug over an eight-week period. "If such a trial were successful, it would be a significant development given the high rates of skin cancer and because the main treatment currently is surgical excision, which can cause sca...

Research links protein to breast-cancer migration

...ve implications for other cancer systems. "Benign tumours remain in one part of the body and are relatively ...t-cancer cells that spread from the breast to form tumours in other parts of the body. Current breast-cancer treatments have been designed to kick start the a...

Acidity in the brain could hold the key to stroke treatment

...re currently used to detect bleeding, swelling and tumours in the brain, but the visibility of soft tissue is very limited, making damage difficult to detect. Professors Morris and Kauppinen will use advanced Nuclear Magnetic Resonance (NMR) technologies to allow MRI scanners to create detailed images of pH...

Breast stem cells have features similar to 'basal' tumors

...his observation has led to speculation that breast tumours are derived from different cell types that could i... early descendents, are the cells from which basal tumours arise. Dr Visvader, who led the team effort with Dr Lindeman at WEHI, said, "This finding made by Ma...

New device could cut chemotherapy deaths

...oon we hope that other cancer sufferers with solid tumours will benefit. "Give that around one in eight people worldwide die of cancer, this could be a vitally important step in the treatment of this disease. "We have now assembled an extremely experienced team to develop the Fibrasorb technology." The Fi...

Faults in newly discovered breast stem cells may lead to tumours

... research is now under way on excised human breast tumours to confirm the findings derived from the mouse model. The research team is from the WEHI Group of the Victorian Breast Cancer Research Consortium, which is funded by the Victorian state government through the Cancer Council Victoria. ...

Legume compounds may help cancer treatment

...upply to tumours. Without an adequate blood supply tumours stop growing and ultimately can regress. The research has attracted major international interest for intensive collaboration and joint development. The discovery has resulted in a formal research collaboration which is currently underway with Fre...

Predicting chemotherapy outcome

...rnal Genome Biology, researchers identified in the tumours of colorectal cancer patients almost 700 genes who...the gene-expression patterns of samples from colon tumours and liver metastases collected from 13 patients with colorectal cancer. The microarray analyses were...

Basic research leads to a novel cancer therapy

...which blocks both the building of blood vessels in tumours as well as other illness-related enzymes in tumour... had already been treated with Imatinib, but their tumours continued to develop. Others were not able to tolerate Imatinib at all. Still other patients had adv...

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