Tag: "cancer" at biology news

Related productivity tools complement computed tomography in lung cancer detection

...puted tomography (CT) scan is very helpful in lung cancer assessment as it spots even small lung tumors that...ble and attach to specific molecules that seek out cancer cells, or other targeted cells," says Technical Insights Industry Analyst Giridhar Rao. Such efforts...

Activated signaling pathway may predict lung cancer patients' response to gefitinib

...found that, among patients with nonsmall-cell lung cancer (NSCLC) whose tumor cells contain a specific activated signaling pathway, the cancer drug gefitinib (Iressa) was associated with a better response rate, disease control rate, and time t...

Other highlights in the August 4 JNCI

...ed with an increased risk of postmenopausal breast cancer in overweight and obese women, according to a new ...d hypertension. Both metabolic syndrome and breast cancer have been increasing worldwide. Increased levels of insulin and insulin-like growth factor in metabo...

JCI table of contents, 2 August, 2004

...le tissue, termed cachexia, occurs in over half of cancer patients and, rather than tumor burden, is the direct cause of nearly one-third of cancer deaths. There are several regulatory proteins that are released from immune cells are known to be in...

From science fiction to reality: Nanomedicine brings fresh hope to the medical world

...tent drug screening and in the detection of breast cancer cells among others. However, as with other new technologies, nanomedicine also faces its own set of issues. Scalability is one of its biggest technological challenges. While large-scale production makes better economic sense, this is likely to be a c...

Wasting away in muscle-ville

...le tissue, termed cachexia, occurs in over half of cancer patients and, rather than tumor burden, is the direct cause of nearly one-third of cancer deaths. There are several regulatory proteins that are released from immune cells are known to be in...

Another key for the p53 door

...nscription factor plays a vital role in preventing cancer onset, by stimulating cells to commit suicide when their DNA is damaged by chemicals or UV exposure. Because YY1 prevents p53 from removing pre-cancerous cells, YY1 represents a hitherto unsuspected candidate for a source of p53-inactivating mutation...

New technique helps scientists reveal interactions between genes and drugs

... look for genes that change patients' responses to cancer drugs and other medications. Researchers looking f...us cells. Chemotherapy is given as a treatment for cancer because cancer cells are generally more sensitive to its effects, but many factors, including the ge...

Malignant cancer cells generate mice through cloning

Nature can reset the clock in certain types of cancer and reverse many of the elements responsible for c...sor of biology at MIT. "The epigenetic elements of cancer are reversible; the genetic elements, as expected, are not." Researchers have known for decades tha...

Clusters of alterations on PIK3CA gene found in brain cancers

...ted molecular therapeutics aimed controlling brain cancer development through regulation of the errant gene, Yan said. Yan is an assistant professor of pathology, Duke University Medical Center. His colleagues who contributed to this work include Daniel Broderick, Chunhui Di, Timothy Parrett, Roger McLendo...

Two-pronged attack targeting EGF receptor hinders cancer cell growth

...h and low with a combination of drugs for targeted cancer therapy curbs cancer cell growth more effectively than using the drugs each by themselves, researchers from the Universit...

Blood pressure hormone may inhibit growth of lung cancer

...blood pressure may also inhibit the growth of lung cancer cells, say scientists at Wake Forest University Ba... the growth of three different types of human lung cancer cells in the laboratory. "Our experiments provide the first evidence that angiotensin-(1-7) inhibits...

New UCF researchers, college will help fight Alzheimer's disease, cancer

...ping patients who suffer from Alzheimer's disease, cancer and other illnesses. The UCF Board of Trustees on ...ying enzymes known as topoisomerases that can kill cancer cells. Hoping to improve the quality of cancer-fighting drugs, Muller is trying to find out as much ...

LA BioMed Medical/Research Briefs, July/August 2004

...planation as to why more black women die of breast cancer than white women, despite the evidence of breast cancer incidence being higher among white women. According to LA BioMed investigator Rowan Chelbowski, M.D...

UCI study reveals gene linked to breast cancer can suppress tumors

...r a gene that, when mutated, often triggers breast cancer in women. The work also provides further evidence...A1 gene prevents the growth and survival of breast cancer cells. The gene accomplishes this by keeping estrogen and growth factor molecules from sending chemi...

Virtual counselor supplements traditional genetic counseling

...etic counseling for increasing knowledge of breast cancer and genetic testing among women at low risk for br...cerned that they are at risk for developing breast cancer are referred to genetic counselors who can assess a women's risk, advise her about testing and expla...

Scientists suggest framework for epigenetics in common disease

...lty epigenetics are already known to be at work in cancer and relatively rare Beckwith-Wiedemann syndrome, among others conditions. "The epigenetic marks a person has could influence disease directly, but they also could affect whether an underlying genetic mutation or genetic variation can actually result...

Scientists build on case connecting inflammatory disease and depression

...ed to treat patients who suffer either from kidney cancer or melanoma with metastasis, or from viral infections such as hepatitis C and AIDS. "A few thousand cancer patients and several hundreds of thousands of hepatitis C patients are treated each year with immuno...

Newly designed nanoparticle quantum dots simultaneously target and image prostate tumors in mice

...molecules, such as those present on the surface of cancer cells. The researchers injected human prostate cancer cells under the skin of mice to promote growth of solid prostate tumors. They then encapsulated qu...

NIH renews funding for continued Rb2 tumor suppressing gene research at Temple

...ationally recognized researcher in the genetics of cancer and gene therapy, Giordano discovered Rb2/p130 in ...ween Rb2 and its expression with the regression of cancer in the lungs, the aggression of cancer in the liver and ovaries, the effectiveness of drug therapies...

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