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Tag: "breast" at biology news

New cellular flaw found in some virulent breast cancers

...on that triggers a particularly aggressive form of breast cancer, and suggest that attacking this target wit...growth control flaw is seen in about 10 percent of breast cancers ?and the deadliest ones. The cancer results from a cascade of molecular events. The overpro...

Viral protein helps infected T cells stick to uninfected cells

... to person during sexual activity and by blood and breast milk. In the body, the HTLV-1 mainly targets immune-system cells known as CD4 T lymphocytes. These immune cells coordinate immune responses in part through physical contact with other immune cells. The cells adhere to one another using a protein kn...

New hybrid virus provides targeted molecular imaging of cancer

...ransfer in mouse models of common diseases such as breast and prostate cancer." Their next step was to work closely with the team of M. D. Anderson researcher Juri Gelovani, M.D., Ph.D., chair of the Department of Experimental Diagnostic Imaging, a pioneer in development of molecular-genetic imaging tools....

Nanotechnology may find disease before it starts

...se, perhaps in a woman who has a family history of breast cancer: "Her doctor could inject the breast with nanoparticles and the resulting ultrasound image would alert the doctor to any suspicious areas...

Clues to breast cancer hidden inside stem cells

...University of Iceland have grown three-dimensional breast cell cultures to reveal unexpected subtleties abou...here should be a stem cell population in the human breast gland," said Sigurdsson who is part of the ESF-funded team led by Thorarinn Gudjonsson. A 'virgin' ...

Chemotherapy gel may fight breast cancer and reduce breast deformity

Women who undergo surgery for breast cancer followed by radiation therapy often experience breast deformities that can only be corrected through reconstructive surgery. Researchers at the McGowan In...

Terahertz imaging may reduce breast cancer surgeries

... new technique to ensure complete tumor removal at breast cancer excision is introduced in the May issue of ...spectrum--the terahertz region--to examine excised breast tissue and determine if the removed tissue margins were clear of cancer, with good results. This tec...

Detection of DNA on nanotubes offers new sensing, sequencing technologies

...rders, and that are precursors to diseases such as breast cancer." "Optical detection allows for passive sensing of hybridization, meaning there is no need to pass voltage or current through the system," Jeng said. "Furthermore, optics yield high-resolution signals and require a relatively simple setup. A...

Pain killer fights breast cancer by targeting key enzyme

...ction of an enzyme that is key to a common form of breast cancer, a new study using tissue cultures suggests...is called nimesulide. In laboratory experiments on breast cancer cells, scientists found that derivatives of nimesulide stopped the production of aromatase, t...

Breakthrough for stem cell research

..., Parkinson's disease, spinal cord injury and even breast cancer. "The new line, named 'Endeavour 1', is only the fifth human embryonic stem cell line to be produced in Australia," said UNSW Professor Bernie Tuch, Director of the DTU. "We now hope to collaborate with other researchers, using this line. W...

MicroRNA may have fail-safe role in limb development

...d to diabetes, hepatitis C, leukemia, lymphoma and breast cancer. But only now have microRNAs been connected to actual growth processes. "We found miR 196 expressed only in the hindlimbs of mice, not the forelimbs - in other words, the feet but not the hands," said Brian Harfe, Ph.D., an assistant profess...

'Dating agency' boosts hunt for disease genes

...e UK clinicians in the Network are experts in gut, breast and white blood cell cancers, heart attacks and high blood pressure, depression, diabetes, kidney disease, multiple sclerosis, Parkinson's and Alzheimer's diseases, old age blindness, childhood asthma and eczema. The clinicians leading each national ...

Preclinical study of a new brain tumor therapy

...ce of EGFR in cells of other cancer types (such as breast cancer and lung cancer), the approach pioneered in this study may be applicable to other forms of cancer as well. ...

Researchers uncover mechanisms of estrogen in promoting cell death in breast cancer

...en can activate natural pathways that kill certain breast cancer cells or tumors. The results raise the poss...strogen therapy may overcome resistance to certain breast cancer hormonal therapies. The study appears in the December 7 issue of the Journal of the Nationa...

Making medicine 'smarter'

...rk to develop tools for more accurately diagnosing breast cancer. Anke Meyer-Baese is an assistant professo...ject to give doctors a new tool to better diagnose breast cancer. The aggressive disease claims the lives of more than 40,000 American women each year -- so a...

Eisai announces Phase II data on E7389, a potential new therapy for the treatment of breast cancer

...for E7389 in the treatment of advanced, refractory breast cancer during the San Antonio Breast Cancer Sympos...E7389 as a monotherapy in patients with refractory breast cancer. The primary endpoint of this trial was response rate, measured using the RECIST (Response Ev...

NIH launches comprehensive effort to explore cancer genomics

...l HapMap Consortium. Genetic mutations linked to breast cancer, colon cancer, melanoma, and other cancers ...mal tumors, and Herceptin®, a drug for one form of breast cancer. These successful developments support further examination of the molecular origins of cancer...

The nude mouse tale: Omega-3 fats save the life of a terminal cancer patient

...servations that Inuit Eskimo populations have less breast and prostate cancer deaths. So far, though, most studies in this country are limited to animal models, but a case study about D.H., which was published in the recent issue of the Nutrition and Cancer journal, could be a major step forward for human c...

Gene variation affects tamoxifen's benefit for breast cancer

One of the most commonly prescribed drugs for breast cancer, tamoxifen, may not be as effective for wom...a crucial enzyme that activates tamoxifen to fight breast cancer. The study, co-led by researcher James Rae, Ph.D., at the University of Michigan Comprehensi...

Cancer support cells may evolve, fuel tumor growth, study shows

... cells that form the bulk of many tumors including breast cancer, would be on the accumulated mutations that have allowed the cell to survive and grow unchecked. "But over the last several years, it has become increasingly clear that cancer involves complex interactions among different types of cell compart...

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