Tag: "tumors" at medical news

Advanced prostate cancer previously considered inoperable may be operable, curable

... Zincke also explains that when malignant prostate tumors are high grade -- more aggressive -- they are not especially responsive to radiation therapy alone. He believes the current trend away from surgery is a disservice to patients. "Patients are being denied surgical treatment when indeed they could hav...

Angiogenesis factor may help tumors prepare the way for spread to lymph nodes

...etastatic arrival." While it is now accepted that tumors can stimulate development of their own blood suppl...Detmar and his colleagues showed that human breast tumors implanted into mice induce the growth of lymphatic vessels and that lymphangiogenesis plays a key ro...

Q Chip helps make cures more effective

...tment of cardiovascular disease, cancer and benign tumors to develop its next generation of microspheres. These would allow the effective delivery of drugs to targeted parts of the body. Q Chip makes its uniform particles using tiny capillaries etched in wafers to precisely create micro and nanoparticles. T...

Media availability

...vy's pathfinding studies of malignant lymphoma and tumors of the immune system led to the development of Rituxan, the first monoclonal antibody approved to treat cancer. Dr. Levy's talk will be "Immunology: From science to therapy." V. Craig Jordan, Ph.D., D.Sc. , Vice President and Scientific Director of ...

Study finds no link between cell phone use and brain tumors

... The Danish study questioned 427 people with brain tumors and 822 people without brain tumors about their cell phone use. The study found no increased risk for brain tumors related to cell phone...

Scientists identify protein that controls cancer cells

... them to infiltrate normal tissue. It also enables tumors to grow a blood supply. In addition, when non-tumor forming cells were supplied with Fra-1, they began producing tumors. On the other hand, when Fra-1 was eliminated from cells that were already tumor-producing, they stopped forming tumors. "It is a ...

Shape-altering genes linked to ovarian cancer

...For example, turning on HOXA9 caused cells to form tumors that resembled high-grade serous ovarian cancer. On the other hand, HOXA10 activation resulted in tumors that resembled endometrioid ovarian cancer and HOXA11 caused cells to form tumors that resembled muc...

MR spectroscopy may be superior for determining prostate cancer prognosis

A new way of evaluating prostate tumors may help physicians determine the best treatment s...under a microscope, often cannot distinguish which tumors are going to spread and which are not. Many men live for years with slow-growing prostate tumors be...

Measuring enzymes at end of cancer pathway predicts outcome of Tarceva, Taxol

...sotypes of CDK activity accurately predicted which tumors would respond to Taxol in the experiments with human breast cancer cell lines and tumor tissues of human xenograft model. "This provides solid preclinical evidence that we can use toward development of a novel device that can measure CDK activity in ...

Combination chemotherapy shows small survival benefit in advanced stomach cancer

... are diagnosed at a late stage of the disease when tumors are inoperable. Although small tumors can be surgically removed in the earliest stages of the disease, the only cure for advanced stomach ...

Used in a new way, RNA interference permanently silences key breast cancer gene

...ted breast cancer cells were unable to form breast tumors either at the site of injection or at distant sites typically involved in metastatic breast cancer in this mouse model. Arlinghaus points out that a human therapy based on these findings is not on the horizon because lentivirus delivery systems haven...

Nanoparticles offer new hope for detection and treatment

...y designed nanoparticles can reveal tiny cancerous tumors that are invisible by ordinary means of detection,...rchers demonstrated that very small human melanoma tumors growing in mice--indiscernible from the surrounding tissue by direct MRI scan--could be "lit up" and...

High levels of immunosuppressant may lead to tumor recurrence

... cyclosporine, which were higher in patients whose tumors recurred. Other factors, such as recipient sex, underlying liver disease, or the use of cyclosporine with other immunosuppressants or steroids did not affect tumor recurrence. "We provide here further evidence on the key role of immunosuppression in ...

Revised Bethesda guidelines effective at identifying patients at risk of colorectal cancer

...genes, mainly MSH2 and MLH1. In HNPCC, colorectal tumors have a DNA abnormality called microsatellite insta...to determine properties of tissue). Patients whose tumors exhibited microsatellite instability and/or lack of protein expression underwent MSH2/MLH1 germline ...

Rush University Medical Center studies advanced 3D imaging system for radiation therapy

...ability to concentrate high radiation doses to the tumors while minimizing the doses to surrounding critical...d very little radiation on normal tissue, than all tumors potentially can be destroyed," said Dr. Chu. "We are hopeful, a 3D display system can assist us in ...

Tumor detection, data encryption to benefit from UH research

HOUSTON, April 28, 2005 From detecting tumors to encrypting data better, one young engineering professor's nanotechnology work at the University of Houston holds enormous potential for medicine and electronics. Pradeep Sharma, assistant professor of mechanical engineering at UH, received the O...

Patients with pituitary gland tumors are often misdiagnosed

A recent study found that tumors of the pituitary gland are more common than many h...gery and Neuroresearch (CINN), says that pituitary tumors are often misdiagnosed because of the confusing array of symptoms they present. "Conditions such as...

Watching metals melt, nanometer-scale views inside cells

...In addition, the sametechnique distinguished brain tumors from normal tissue in 18patients. Developed by a team of engineers and surgeons atCedars-Sinai Medical Center in Los Angeles and the University ofSouthern California, the system makes use of a technique called"time-resolved laser-induced fluorescenc...

Other highlights in the May 4 JNCI

...be associated with lower future risk of colorectal tumors in women, according to a new study. Several nu...nversely associated with future risk of colorectal tumors among these women. "Additional animal, epidemiologic, and intervention studies are required to clari...

Molecular change occurring during brain tumor progression also evident in breast cancer

...es place during the progression of malignant brain tumors also occurs in breast cancer, according to a study...shift appears to be part of a process that enables tumors to develop the new blood vessels they need to grow rapidly, migrate and invade other tissue. Althou...

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