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CSHL researchers discover three new genes that cause lung cancer
October 09, 2007Reversing the effects of these three genes can block tumor formation
Researchers at Cold Spring Harbor Laboratory (CSHL) have discovered three genes that interact with cancerous results in 20% of lung cancers. The three genes are located next to each other on human chromosome 14 and two are known to play key roles in fetal lung development. According to CSHL lead investigator David Mu, "lung cancer cells in adults can reactivate genes that are normally active in the earliest stages of lung development. We identified the mutation that triggers this abnormal re-activation of developmental genes and showed that if you turn off these genes, you stop the cancer."
The CSHL research found that the three genes termed TTF1, NKX2-8, and PAX9 interact to reactivate what appears to be an early fetal gene expression pattern that results in cancer tumor growth. "The collaboration of these genes and the fact that they are so close together on the chromosome may explain why this mutation is so common in lung cancer," said CSHL investigator and co-author Scott Powers. In collaboration with Dr. William Gerald at the Memorial Sloan Kettering Cancer Center, the study finds that the mutation is more prevalent in late stage lung cancer and is possibly a risk factor for recurrence.
The CSHL-led research demonstrates that the cancerous results of the mutation can be reversed. In the future, this may lead to new treatment options for patients. Cancer research that looks at one gene at a time ignores the fact that cancers are usually caused by multiple collaborating cancer genes. Mutations in these genes determine the clinical outcome of the cancerous growth and how the cancer responds to treatment.
"At CSHL we are excited about the ability to apply direct genomic analysis to human cancers and discover more about how cancer genes interact," said Howard Hughes Medical Institute Investigator and CSHL Cancer Center Deputy Director Scott Lowe.
Cold Spring Harbor Laboratory
The CSHL-led research demonstrates that the cancerous results of the mutation can be reversed. In the future, this may lead to new treatment options for patients. Cancer research that looks at one gene at a time ignores the fact that cancers are usually caused by multiple collaborating cancer genes. Mutations in these genes determine the clinical outcome of the cancerous growth and how the cancer responds to treatment.
"At CSHL we are excited about the ability to apply direct genomic analysis to human cancers and discover more about how cancer genes interact," said Howard Hughes Medical Institute Investigator and CSHL Cancer Center Deputy Director Scott Lowe.
Cold Spring Harbor Laboratory
Lung Cancer Current Events and Lung Cancer News RSSResearchers Identify Role of Gene in Tumor Development, Growth and Progression
Virginia Commonwealth University Massey Cancer Center and VCU Institute of Molecular Medicine researchers have identified a gene that may play a pivotal role in two processes that are essential for tumor development, growth and progression to metastasis.
Common pain relief medication may encourage cancer growth
Although morphine has been the gold-standard treatment for postoperative and chronic cancer pain for two centuries, a growing body of evidence is showing that opiate-based painkillers can stimulate the growth and spread of cancer cells.
Study raises concerns about outdoor second-hand smoke
Indoor smoking bans have forced smokers at bars and restaurants onto outdoor patios, but a new University of Georgia study in collaboration with the Centers for Disease Control and Prevention suggests that these outdoor smoking areas might be creating a new health hazard.
Carnegie Mellon researchers link health-care debate to risk of dying in US and Europe
The current health care debate in the United States is complicated. Trade-offs between heath care expenditures, lifestyle choices and life expectancy have been suggested but seldom clearly demonstrated.
PET imaging response a prognostic factor after thoracic radiation therapy for lung cancer
A rapid decline in metabolic activity on a PET scan after radiation therapy for non-small cell lung cancer is correlated with good local tumor control, according to a study presented by researchers at Thomas Jefferson University Hospital at the 51st ASTRO Annual Meeting.
Study of concurrent radiotherapy, chemotherapy shows promise in small cell lung cancer
Treating limited stage small cell lung cancer(LSCL) with a combination of accelerated high-dose radiotherapy and chemotherapy has shown encouraging results.
Stereotactic radiotherapy offers noninvasive, effective treatment for frail patients with early-stage lung cancer
Stereotactic body radiation therapy (SBRT) should be considered a new standard of care for early-stage lung cancer treatment in patients with co-existing medical problems, according to results from a national clinical trial led by UT Southwestern Medical Center physicians.
Preventative brain radiation for lung cancer patients: Benefits and risks
A new study is taking a closer look at the benefits versus risks for lung cancer patients to undergo preventative brain radiation therapy as a means to stop cancer from spreading to the brain.
Study spotlights efficacy of questionnaire to identify patients at high risk for lung cancer
A study featured in the November issue of the Journal of Thoracic Oncology confirms the success of a simple questionnaire designed to identify patients at high risk of lung cancer.
Intervals between lung cancer diagnosis and treatment displays a health care disparity
Research published in the November 2009 issue of the Journal of Thoracic Oncology has found that intervals between lung cancer suspicion, diagnosis and treatment may be attributed to health care system discrepancies.
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