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Sensor biochips could aid in cancer diagnosis and treatment
By Dross at 2009-10-23 02:26

It is very difficult to predict whether a cancer drug will help an individual patient: only around one third of drugs will work directly in a given patient. Researchers at the Heinz Nixdorf Chair for Medical Electronics at the Technische Universitaet Muenchen (TUM) have developed a new test process for cancer drugs. With the help of microchips, they can establish in the laboratory whether a patient's tumor cells will react to a given drug. This chip could help in future with the rapid identification of the most effective medication for the individual patient.

read more | 588 reads

Checkered history of mother and daughter cells explains cell cycle differences
By Dross at 2009-10-21 18:23

When mother and daughter cells are created each time a cell divides, they are not exactly alike. They have the same set of genes, but differ in the way they regulate them. New research now reveals that these regulatory differences between mother and daughter cells are directly linked to how they prepare for their next split. The work, a collaboration between scientists at Rockefeller University and the State University of New York, Stony Brook, may ultimately lead to a better understanding of how cell division goes awry in different types of cancer.

read more | 801 reads

Melanoma treatment options 1 step closer
By Dross at 2009-10-21 18:22

A targeted chemotherapyterm for the treatment of skin cancer is one step closer, after a team of University of Alberta researchers successfully synthesized a natural substance that shows exceptional potential to specifically treat this often fatal disease.

U of A chemistry professor Dennis Hall said after three years of work, his research team has successfully produced the substance called Palmerolide A.

read more | 9 comments | 1888 reads

Scientists identify specific markers that trigger aggressiveness of liver cancer
By Dross at 2009-10-21 18:21

Hepatocellular carcinomaterm (HCC) or primary liver cancer forms in the epithelial tissue of the liver and is most commonly caused by the hepatitis B virus (HBV) or hepatitis C virus (HCV). In the U.S., the National Cancer Institute (NCI) estimates that 15,000 men and 6,000 women are diagnosed with HCC each year. Worldwide, HCC accounts for 632,000 cases with the highest regions being Western Pacific and Africa according to a 2004 World Health Organization (WHO) report.

read more | 1898 reads

Texas A&M researchers find new mechanism for circadian rhythm
By Dross at 2009-10-21 18:15


Molecules that may hold the key to new ways to fight cancer and other diseases have been found to play an important role in regulating circadian rhythm, says Liheng Shi, a researcher in Texas A&M's Department of Veterinary Integrative Biosciences.

Circadian rhythm is the roughly 24-hour cycle of physiological activities of humans, animals and even bacteria, Shi explains.

read more | 1 comment | 646 reads

Experts issue call to reconsider screening for breast cancer and prostate cancer
By Dross at 2009-10-21 18:13

Twenty years of screening for breast and prostate cancer – the most diagnosed cancer for women and men – have not brought the anticipated decline in deaths from these diseases, argue experts from the University of California, San Francisco and the University of Texas Health Science Center at San Antonio in an opinion piece published in the "Journal of the American Medical Association."

read more | 1 comment | 2477 reads

Resident physicians seldom trained in skin cancer examination
By Dross at 2009-10-20 22:28

Many resident physicians are not trained in skin cancer examinations, nor have they ever observed or practiced the procedure, according to a report in the October issue of Archives of Dermatology, one of the JAMA/Archives journals.

read more | 1712 reads

Herbal tonic for radiotherapy
By Dross at 2009-10-20 22:15

Antioxidant extracts of the leaves of the Gingko biloba tree may protect cells from radiation damage, according to a study published in the International Journal of Low Radiation. The discovery may one day be used to help reduce side effectsterm in cancer patients undergoing radiotherapy.

read more | 568 reads

Hormone mix could cut breast cancer risk and treat symptoms of menopause
By Dross at 2009-10-20 21:27

The right combination of estrogen and a selective estrogen receptor modulator (SERM), which blocks the effects of estrogen in breast tissue, could relieve menopause symptoms and cut breast cancer risk, Yale researchers report in an abstract presented at the American Society for Reproductive Medicine (ASRM) scientific meeting in Atlanta, Georgia, October 17-21.

read more | 581 reads

Treatment not testicular cancer poses greatest risk to survivors' long-term healthtes
By Dross at 2009-10-15 22:16

Testicular cancer survivors can face an increased risk of long-term illness, not because of the malignancy, but the highly effective treatment they receive, according to a study in the urology journal BJUI.

Researchers from the Norwegian Radium Hospital at the University of Oslo found that the number of problems faced by survivors are higher than generally thought, because clinicians only report those that are life-threatening or require medical intervention. Awareness of this discrepancy has led to a greater focus on patient-reported outcomes.

read more | 782 reads

Loss of tumor supressor gene essential to transforming benign nerve tumors into cancers
By Dross at 2009-10-15 10:44

Researchers at UCLA's Jonsson Comprehensive Cancer Center showed for the first time that the loss or decreased expression of the tumor suppressor gene PTEN plays a central role in the malignant transformation of benign nerve tumors called neurofibromas into a malignant and extremely deadly form of sarcomaterm.

read more | 1029 reads

Study examines mastectomy and breast-conserving surgery rates
By Dross at 2009-10-15 10:43

There is concern that mastectomy is over-utilized in the United States, which raises questions about the role of surgeons and patient preference in treatment selection for breast cancer. New data from an observational study found that breast-conserving surgery was presented and provided in the majority of patients evaluated. Surgeon recommendations, patient decisions, and failure of breast-conserving surgery were all found to be contributing factors to the mastectomy rate.

read more | 3 comments | 2134 reads

Minimally invasive radical prostatectomy shows advantages, but also certain complications
By Dross at 2009-10-15 10:42

New research indicates that the use of minimally invasive procedures (including the use of robotic assistance) for radical prostatectomy, which have increased significantly in recent years, may shorten hospital stays and decrease respiratory and surgical complications, but may also result in an increased rate of certain complications, including incontinence and erectile dysfunction, according to a study in the October 14 issue of JAMA, a theme issue on surgical care.

read more | 1687 reads

Yet another cancer gene discovered
By Dross at 2009-10-15 10:42

A new cancer gene has been discovered by a research group at the Sahlgrenska Academy. The gene causes an insidious form of glandular cancer usually in the head and neck and in women also in the breast. The discovery could lead to quicker and better diagnosis and more effective treatment.

The study is published today in the prestigious scientific journal Proceedings of the National Academy of Sciences (PNAS).

read more | 2585 reads

Bioluminescence imaging used for eye cancer detection
By Dross at 2009-10-15 09:59

Rockville, MD – At the moment, doctors rely on biopsy analysis to determine the progression of eye cancer. However, researchers now believe that a new technology, bioluminescence imaging (BLI), will allow doctors to detect tumors earlier and quickly choose a method of treatment that doesn't necessarily involve eye surgery.

read more | 883 reads


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