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Gene found to play a suppressor role in skin cancer development
02-06-2008 · EurekAlert!Researchers at the Burnham Institute for Medical Research have provided genetic evidence that Activating Transcription Factor 2 plays a suppressor role in skin cancer development. ATF2 is a protein that regulates gene transcription, the first step in the translation of genetic code, in response to extracellular stresses such as ultraviolet light and ionizing radiation. This function of ATF2 in stress and DNA damage response suggests it may also play a role in tumor formation.
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Keywords: gene, play, suppressor, role, skin, cancer, development
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- Tumor-suppressor gene is critical for placenta development
01-09-2007 · EurekAlert!
An important cancer-related gene may play a critical role in the development of the placenta, the organ that controls nutrient and oxygen exchange between a mother and her fetus during pregnancy, and perhaps in miscarriages. Those conclusions come from a new study of the retinoblastoma (Rb) gene in mice. In humans, this gene, when mutated, raises the risk of a rare cancer of the eye called retinoblastoma.
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- Jefferson scientists find tumor suppressor gene protects against pre-cancerous development
11-01-2006 · EurekAlert!
Cell biologists have provided further evidence that a gene thought to play a role in suppressing tumors actually protects against the development of pre-cancerous cell growth as well. The researchers say that the gene, caveolin-1, which they found in two major types of breast cells, could be a potential target for future drugs aimed at preventing breast cancer. The work also suggests a potentially important role of the tumor "microenvironment" in the cancerous process.
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- Pioneering study looks at p53’s Role in tumor-stroma interactions
10-25-2006 · EurekAlert!
Researchers have conducted the first comprehensive study of the role an important tumor suppressor gene plays in cancer development. P53 is known as a major tumor suppressor that is frequently mutated in human cancer. In this study, researchers used novel proteomic techniques to identify the proteins secreted by cells specifically in response to p53. The findings suggest a newfound role for wt-p53 in the control of the tumor's ability to communicate with the normal stromal cells surrounding it.
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- Pioneering study looks at p53's role in tumor-stroma interactions
10-25-2006 · EurekAlert!
Researchers have conducted the first comprehensive study of the role an important tumor suppressor gene plays in cancer development. P53 is known as a major tumor suppressor that is frequently mutated in human cancer. In this study, researchers used novel proteomic techniques to identify the proteins secreted by cells specifically in response to p53. The findings suggest a newfound role for wt-p53 in the control of the tumor's ability to communicate with the normal stromal cells surrounding it.
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- Zebrafish: It's not your parents' lab rat
07-30-2007 · EurekAlert!
Developmental biologists at Rice University have found that a gene called LMO4, which is known to play roles in both cell reproduction and in breast cancer, also plays a role in neurological development. By both knocking out and overexpressing the gene in zebrafish, the scientists determined that LMO4 independently regulates two other genes that are involved with the development of the forebrain and eyes. The results are slated to appear in the journal Developmental Biology.
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- New function for colon cancer gene found
01-17-2008 · EurekAlert!
Dartmouth Medical School geneticists have discovered a striking turnabout role for a gatekeeper known to put on the brakes for colon cancer. Flaws in a gene called adenomatous polyposis coli, which normally prevents excessive cell growth, are thought to trigger development of most colorectal cancers. But in an about face, the tumor suppressor gene also has a second task, the researchers found, as a gas pedal that accelerates signaling between cells.
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- Gene involved in common birth defect also regulates skin biology
10-15-2006 · EurekAlert!
Following up on an earlier discovery that a gene called IRF6 is involved in the common birth defect cleft lip and palate, University of Iowa researchers and their colleagues have identified the function of the gene. Their latest findings, published online Oct. 15 in Nature Genetics, reveal an unexpected role for IRF6 in the growth and development of skin cells, a discovery that may have implications for wound healing and cancer research.
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- Scientists develop method to track immune system enzyme in live animals
05-17-2007 · EurekAlert!
Scientists supported by the National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS) at the National Institutes of Health have created two mouse strains that will permit researchers to trace, in a live animal, the activity of an enzyme believed to play a crucial role both in the normal immune response as well as autoimmunity and B cell tumor development.
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- Study examines genetic defects linked to body abnormalities in patients with childhood cancer
01-01-2008 · EurekAlert!
Children with cancer have a higher prevalence of body abnormalities, such as asymmetric lower limbs and curvature of the spine, suggesting that the genetic defect responsible for the abnormality may play a role in the development of cancer, according to a study in the Jan. 2 issue of JAMA.
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- Preclinical study links gene to brain aneurysm formation
08-07-2007 · EurekAlert!
University of Cincinnati neurovascular researchers have identified a gene that -- when suppressed or completely absent -- may predispose a person to brain aneurysms. Todd Abruzzo, MD, and his colleagues demonstrated that "knocking out" a gene known as endothelial nitric oxide synthase in an animal model led to intracranial aneurysm formation in 33 percent of study subjects. Scientists say this suggests that the gene may play an important role in the development of intracranial aneurysms.
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