Tag: "tumours" at biology news

Major Risk Factor For Cervical Cancer Found

...rly vulnerable to skin cancer and can develop many tumours whichoften require extensive surgery. These findings indicate that those patientswho have p53Arg are at greater risk of developing SCC and we shall be carryingout further research in this area." __________________________________________________ *Ro...

Vibrating Cells Could Be The Ultimate In Noninvasive Screening

... "Some published results suggest that breast tumours trigger largechanges in tissue electrical parameters," he explains. This technique shouldwork with other cancers since this change happens in all other tumours, he adds. HEI works when an oscillating electric pulse is sent through the bodywhi...

The Liver's Secret Of Regeneration

...liver stem cells came in the1950s, from studies of tumours that grow from another type of cell found in theliver, called oval cells. These cancers contain some cells that look like maturehepatocytes and others that resemble the cells that line the bile duct, whichdeposits the liver's waste products into the ...

The Origins Of Hereditary Breast Cancer -- Studies With Knock-Out Mice Reveal Underlying Mechanisms

...d of three years Deng's group triedto find out how tumours evolve. Kay-Uwe Wagner and his colleagues generate...ouble mutant mice suffered from breast cancers and tumours grewtwice as fast. With their experiments the researchers were able for the first time to provewhat...

Hormonal recall

...ho haduterine tumours. Because the growth of these tumours is promoted by oestrogen,the women had been treated with a drug that suppressed production of thehormone. After treatment, half the women were given HRT. The other half acted ascontrols. Again, loss of oestrogen lowered the women's memory s...

Gerhard Hess prizes awarded

...a view to developing radiopharmaceuticals to treat tumours - such as small cell bronchial carcinoma - for which no effective therapies have existed so far. As tumour cells form different types of receptors, specific peptide-based receptor ligands can be developed to be used for diagnostic and therapeutic pur...

DFG approves 14 new research training units

...and human geneticists. They intend to find out how tumours can damage human hereditary matter and have an impact on cell structures. The medical scientists will subsequently publish their results in internationally renowned specialist journals. The DFG regards this as a step towards reforming doctorates for ...

Gene 'shaving' could help doctors predict the efficacy of cancer treatments

...than 4,500 gene expression measurements taken from tumours of 48 patients with DLCL. The measurements were gathered using new DNA array techniques that allow researchers to gather detailed genetic information from a tissue sample. "A major challenge in interpreting these results is to understand the struct...

Spray-on plasters

...is also testing the gel to see if it can suffocate tumours and fibroids by blocking their blood supply. Sawhney and his colleagues have special dispensers which plug up blood vessels with the gel. Tumours will wither and die if their blood supply is cut off, a process called anti-angiogenesis. "We're ...

Helping medical researchers classify genes

...amilies." "When you look at things like viruses or tumours in cell development, only a limited number of genes really impact on the cell," says Emami, who did this research while an associate in mechanical and industrial engineering. "What this work does is help weed out the so-called 'irrelevant' genes and ...

University of Ulster spearheads giant leap forward in medicine

...resistant to insect attack. Help tackle cancer tumours and leukaemia and protect bone marrow against damage during chemotherapy. Professor Shaw from the School of Biomedical Sciences at the Universitys Coleraine campus said: "Biological warfare has been going on in the rain forest for millions of years a...

New liver cancer treatment; the current picture

...ped the technique of inserting electrodes into the tumours and surrounding liver tissue, and then passing sma...than surgery of a more conventional kind, in which tumours are cut from the liver. The ten patients treated so far in the ongoing trial at the Queen Elizabeth ...

Reining in cancer

... breast cancer, but could be applied to a range of tumours carrying the target growth factor receptors.** "Target-based agents are becoming a new therapeutic option for patients with advanced cancer and there have been interesting results already from single targeted agents used with conventional cell-killin...

New test offers hope of easy and affordable screening for hereditary breast cancer genes

...enes BRCA1 and BRCA2. He analysed samples from two tumours per family (the majority of families with tumours in two relatives, and a few with two tumours in one person) to see whether there was a loss of genet...

Scientists develop new drug to combat tamoxifen-resistant tumours

... unique mechanism which enables it to work against tumours that are resistant to other anti-oestrogens, the 3...nhibiting the growth of oestrogen-dependent breast tumours it also appears to exert a protective effect on the skeleton and the cardiovascular system. Since i...

Candidate genes found which may play a role in cancer progressing from non-invasive to invasive

...ck together, appear to be switched off in invasive tumours compared to non-invasive tumours. It is reasonabl...-up to see whether the genetic defects seen in the tumours are related to the outcome for the patient so that we know whether they are prognostic, and then tes...

Researchers identify gene for most common paediatric malignant brain tumour

...e of the scientific journal Nature Genetics. Brain tumours are the second most common cancer in children afte...han 200 Canadian children are diagnosed with brain tumours each year, with approximately 100 new cases at The Hospital for Sick Children alone. Despite advance...

A pathway towards cures for Parkinson's and cancer

...searchers will be able to induce the regression of tumours in patients with certain cancers that depend on this pathway (specifically, basal cell carcinoma and medulloblastoma). Recent research has shown the Hedgehog protein can itself reduce the behavioural impairments and neuronal loss that occur in animal...

Pre-clinical studies identify novel ways to enhance effect of chemotherapy

...e can envisage if one could improve drug uptake in tumours either the same therapeutic effect as now with a reduced dose of drug and reduced side effects, or better therapeutic effects with the maximum tolerated dose." Dr Östman said that their studies, undertaken together with Professor Kristofer Rub...

First results from novel anti-angiogenic drug trial in patients

...esponse in its first patient study - shrinking the tumours in a number of patients treated so far, according ...ield of anti-angiogenics drugs designed to damage tumours by attacking the network of blood vessels that 'feed' them. Although it has been a major research fi...

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