Ras Proteins News and Research

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Mount Sinai biologist wins NIH Director's New Innovator Awards for High-Risk, High Reward Research

Arvin Dar, PhD, structural and chemical biologist in oncological sciences at the Icahn School of Medicine at Mount Sinai, is one of 41 national recipients of the prestigious National Institutes of Health (NIH) Director's New Innovator Awards for High-Risk, High Reward Research. The award will support Dar's research into Ras-dependent cancers, specifically investigating how to combat mutations in Ras, a protein implicated in at least one of every five cancers.

16 Nov 2013

Researchers uncover mechanism that switches off cell transport regulating proteins

Researchers at the RUB and from the MPI Dortmund have uncovered the mechanism that switches off the cell transport regulating proteins. They were able to resolve in detail how the central switch protein Rab is down-regulated with two "protein fingers" by its interaction partners.

20 Dec 2012

Pairing statins with cyclin-dependent kinase inhibitors might effectively treat melanomas

A novel approach to identifying potential anticancer drug combinations revealed that pairing cholesterol-reducing drugs called statins with cyclin-dependent kinase inhibitors might provide an effective approach to treating intractable melanomas driven by mutations in the NRAS and KRAS gene.

14 Dec 2012

NCI-funded study to identify metabolic vulnerabilities of particularly aggressive cancers

Eileen White, PhD, associate director for basic science at The Cancer Institute of New Jersey and professor of molecular biology and biochemistry at Rutgers, The State University of New Jersey, and colleagues from Princeton University have been awarded a new five-year, $2.4 million dollar research grant from the National Cancer Institute.

7 Dec 2012

Researchers discover alternative mechanism for Ras protein activation

The protein Ras plays an important role in cellular growth control. Researchers have focused on the protein because mutations in its gene are found in more than 30 percent of all cancers, making it the most prevalent human oncogene.

28 Nov 2012

PNAS: Ras proteins bring tension to the phosphate chain

Proteins accelerate certain chemical reactions in cells by several orders of magnitude. The molecular mechanism by which the Ras protein accelerates the cleavage of the molecule GTP and thus slows cell growth is described by biophysicists at the Ruhr-Universit-t Bochum led by Prof. Dr. Klaus Gerwert in the Online Early Edition of the journal PNAS.

20 Sep 2012

Mutations in Ras gene alone may not cause tumours

Despite a huge amount of research effort, the molecular mechanisms that underlie the transition from a "normal" cell to a cancerous cell are only poorly understood. After the discovery of the first cancer-causing genes or oncogenes and the finding that they are mutated forms of normal cellular genes, it was widely believed that a single mutation was enough to cause cancer.

6 Aug 2012

TGen, UA receive NFCR grant to study targeted pancreatic cancer therapies

The Translational Genomics Research Institute (TGen) and the University of Arizona (UA) have received a three-year, $600,000 grant to study targeted cancer therapies from the National Foundation for Cancer Research.

1 Feb 2012

FT and GGT enzymes can be promising targets for treatment of lung cancer

A research team at the Sahlgrenska Academy at the University of Gothenburg, Sweden, has shown in a study that two closely related enzymes could be targets for the treatment of lung cancer. The discovery was made when the researchers blocked the production of the two enzymes in transgenic mice. This resulted in inhibition of cell growth, fewer tumours and greater survival among the mice.

29 Mar 2010

Scientists discover two genes that can lead to aggressive leukaemia

Two genes, each one of which is known to cause cancer on its own, together can lead to aggressive leukaemia. This is the conclusion from new research carried out on gene-modified mice at the Sahlgrenska Academy at the University of Gothenburg, Sweden. The discovery has surprised scientists, and may lead to new treatments.

3 Nov 2009

Two cancer-causing genes together can lead to aggressive leukaemia

3 Nov 2009

Easy-to-swallow drug restores autoimmune function in diabetics

Found in 30% of all human cancer tumors, the Ras protein literally "drives cells crazy," says Prof. Yoel Kloog, the dean of the Faculty of Life Sciences at Tel Aviv University. Prof. Kloog was the first in the world to develop an effective anti-Ras drug against pancreatic cancer, currently in clinical trials. Now, new research published in the June issue of the European Journal of Pharmacology shows that the drug might be able to slow the progression of diabetes as well.

11 Aug 2009

New drug compound Salirasib brings hope to pancreatic cancer patients

Every year, 42,000 Americans are diagnosed with pancreatic cancer. Few live very long, and less than 5% are still alive five years after diagnosis.

20 Jul 2009

Researchers reveal a new aspect of tumor development

The DNA in our cells is constantly under assault from oxygen, the sun's radiation and environmental stresses.

20 Nov 2008

ICMT enzyme shows potential as target in treating blood cancer

A discovery by a research team with the Sahlgrenska Academy at Gothenburg University in Sweden may lead to new treatments for blood cancer and other diseases. By stopping the production of a specific enzyme, ICMT, researchers were able to alleviate disease symptoms in mice with blood cancer.

21 Aug 2008

Why the switch stays on

Cellular processes, such as when to multiply, are often regulated by switches that control the frequency and timing of interactions between proteins.

13 Dec 2007

Proteins that underlie cancer

A University of Arkansas scientist who studies constructs of a protein that are associated with the cell transformation that causes cancer has received a five-year, $661,018 grant from the National Institutes of Health to expand his research.

17 Oct 2007

Researchers synthesize nisin in a test tube

Scientists have made nisin, a natural antibiotic used for more than 40 years to preserve food, in a test tube for the first time using nature's toolbox.

13 Mar 2006

New mechanism that regulates K-Ras - protein that plays an important role in cancer

Researchers have discovered a protein widely known to cause the out-of-control growth of cells can actually be manipulated to induce those cells to commit suicide, providing a novel target for the development of anti-cancer drugs, according to the results of a new study led by New York University School of Medicine researchers.

21 Feb 2006

Scientists find microRNA regulates Ras cancer gene

Research in the laboratory of Assistant Professor Frank J. Slack at Yale University has identified a new way that a familiar gene is regulated in lung cancer, presenting new possibilities for diagnosis and treatment. The work is reported in March issues of the journals Cell and Developmental Cell.

21 Mar 2005