Tag Archives: nature

Switch that might tame most aggressive of breast cancers

The Sydney-based research team has found a gene that drives the aggressive disease, and hopes to find a way to ‘switch it off’. The aggressive form of triple-negative breast cancer appears to arise from stem cells, while the more benign form appears to arise from specialised cells. …

Gene that pushes normal pancreas cells to change shape identified

Their findings, reported in Nature Communications, suggest that inhibiting the gene, protein kinase D1 (PKD1), and its protein could halt progression and spread of this form of pancreatic cancer, and possibly even reverse the transformation. “As soon as pancreatic cancer develops, it begins to spread, and PKD1 is key to both processes. Given this finding, we are busy developing a PKD1 inhibitor that we can test further,” says the study’s co-lead investigator, Peter Storz, Ph.D., a cancer researcher at Mayo Clinic…

3-D vaccine spontaneously assembles to pack a powerful punch against cancer, infectious diseases

“This vaccine is a wonderful example of applying biomaterials to new questions and issues in medicine,” says David Mooney, Ph.D., a professor of bioengineering at Harvard University in the School of Engineering and Applied Sciences, whose lab developed the vaccine. The project was co-led by Jaeyun Kim, Ph.D. and Aileen Li, a doctoral student in the Mooney lab. Their findings were published in the December 8, 2014 issue of Nature Biotechnology. …

Plant extract fights brain tumor

Scientists around G�nter Stalla, endocrinologist at the Max Planck Institute of Psychiatry in Munich, now discovered in cell cultures, animal models and human tumour tissue that a harmless plant extract can be applied to treat Cushing Disease. “Silibinin is the major active constituent of milk thistle seeds. It has an outstanding safety profile in humans and is already used for the treatment of liver disease and poisoning,” explains Marcelo Paez-Pereda, leading scientist of the current study published in the scientific journal Nature Medicine. After silibinin treatment, tumour cells resumed normal ACTH production, tumour growth slowed down and symptoms of Cushing Disease disappeared in mice…

Algorithm identifies networks of genetic changes across cancers

The algorithm, called Hotnet2, was used to analyze genetic data from 12 different types of cancer assembled as part of the pan-cancer project of The Cancer Genome Atlas (TCGA). The research looked at somatic mutations — those that occur in cells during one’s lifetime — and not genetic variants inherited from parents. The study identified 16 subnetworks of genes — several of which have not previously received much attention for their potential role in cancer — that are mutated with surprising frequency in the 3,281 samples in the dataset. The researchers hope the new findings, published in Nature Genetics, will provide scientists with new leads in the search for somatic mutations that drive cancer…

Novel regulatory mechanism for cell division found

A study, led by Zhimin Lu, M.D., Ph.D., professor of neuro-oncology at The University of Texas MD Anderson Cancer Center, showcased the non-metabolic abilities of PKM2 (pyruvate kinase M2) in promoting tumor cell proliferation when cells produce more of the enzyme. The study results were published in today’s issue of Nature Communications…