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Showing 2051 - 2080LAT Inhibition May Be a New Therapeutic Option for Metastatic Castration-Resistant Prostate Cancer
L-type amino acid transporters (LAT) uptake neutral amino acids including L-leucine into cells, stimulating mTOR complex 1 (mTORC1) signaling and protein synthesis. LAT1 and LAT3 are overexpressed at different stages of prostate cancer and are involved in increasing nutrients and stimulating cell...
Study Identifies Prognostic DNA Methylation Signature for Stage I NSCLC
There is an absence of biomarkers to indicate which patients with stage I non–small cell lung cancer (NSCLC) would best benefit from adjuvant chemotherapy. In a study reported in the Journal of Clinical Oncology, Juan Sandoval, PhD, of the Bellvitge Biomedical Research Institute in...
ASCO and the College of American Pathologists Issue Updated Guideline on HER2 Testing in Breast Cancer
ASCO and the College of American Pathologists (CAP) today issued a joint, updated guideline to improve the accuracy and reporting of human epidermal growth factor receptor 2 (HER2) testing in patients with invasive breast cancer. The six-recommendation guideline is based on a systematic review of...
New Plasma Biomarker Identified for the Diagnosis of Lung Cancer
A new plasma biomarker, isocitrate dehydrogenase 1 (IDH1), has been shown to be more sensitive in detecting non–small cell lung cancer (NSCLC) than currently used biomarkers, including CEA, Cyfra21-1, and CA125, according to a study published in Clinical Cancer Research. The study by Jie He,...
Test Could Identify Which Prostate Cancers Require Treatment
The level of expression of three genes associated with aging can be used to predict whether seemingly low-risk prostate cancer will remain slow-growing, according to researchers at the Herbert Irving Comprehensive Cancer Center at Columbia University Medical Center (CUMC). Use of this three-gene...
Models Estimate Probability of Cancer in Pulmonary Nodules Detected on First Screening CT
In a study reported in The New England Journal of Medicine, Annette McWilliams, MD, of Vancouver General Hospital, and colleagues analyzed data from subjects undergoing low-dose computed tomography (CT) screening for lung cancer to identify factors that might predict whether lung nodules found on...
FDA Grants Breakthrough Therapy Status to Entinostat for Advanced Breast Cancer
Syndax Pharmaceuticals Inc today announced that the U.S. Food and Drug Administration (FDA) has designated entinostat as a Breakthrough Therapy for the treatment of locally recurrent or metastatic estrogen receptor (ER)-positive breast cancer when added to exemestane in postmenopausal women whose...
Majority of Breast Cancer Deaths Occur in Younger, Unscreened Women, Study Finds
A new analysis has found that most deaths from breast cancer occur in younger women who do not receive regular mammograms. Published early online in Cancer, the study indicates that regular screening before age 50 should be encouraged. The use of mammograms to prevent breast cancer deaths has been ...
Molecular Marker Predicts Patients Most Likely to Benefit Longest From EGFR Inhibitors
Scientists at Johns Hopkins have identified a molecular marker called Mig6 that appears to accurately predict longer survival—up to 2 years—among patients being treated with the EGFR inhibitors gefitinib (Iressa) and erlotinib (Tarceva). Results from the preliminary study were published ...
Swallowing Exercises Preserve Function in Patients Receiving Radiation for Head and Neck Cancer
A study from UCLA's Jonsson Comprehensive Cancer Center (JCCC) has found that patients with head and neck cancer receiving radiation as part of their treatment were less likely to suffer unwanted side effects such as worsening of diet, need for a feeding tube, or narrowing of the throat passage if...
Quality of Life Improves Over Time and Is Similar in Long-Term Breast Cancer Survivors and Women With No History of Breast Cancer
In a study reported in Journal of Clinical Oncology, Pamela J. Goodwin, MD, and Tina Hsu of University of Toronto and colleagues assessed changes in quality of life from time of breast cancer diagnosis to long-term survivorship and compared quality of life in long-term survivors to that of...
Germline Missense Mutations in BTNL2 Increase Susceptibility to Prostate Cancer
A team of researchers led by Janet Stanford, PhD, of Fred Hutchinson Cancer Research Center has discovered that mutations in the gene BTNL2, which encodes a protein involved in regulating T-cell proliferation and cytokine production—both of which impact immune function—increase the risk ...
Gene Test Highly Accurate in Predicting Metastasis in Patients with Thymoma
Patients diagnosed with thymoma, a rare cancer of the thymus gland, may be able to avoid certain cancer treatments associated with severe adverse events if the results of a new test reveal they are at low risk of metastasis, according to a study published in PLOS ONE. The study, by researchers at...
Height Significantly Linked to Cancer Risk in Postmenopausal Women
An analysis of data from the Women’s Health Initiative (WHI) of the height measurement at enrollment of 144,701 postmenopausal women and the risk of all cancers combined has found that 20,928 of the women had a diagnosis of one or more invasive cancers during a median follow-up of 12 years....
Molecular Profiling Improves Classification of Nodal Peripheral T-cell Lymphomas
The differential diagnosis of the most common peripheral T-cell lymphoma subtypes is difficult. In a phase III diagnostic accuracy study reported in Journal of Clinical Oncology, Pier Paolo Piccaluga, MD, PhD, of the University of Bologna, and colleagues in the European T-cell Lymphoma Study Group...
Study Suggests Proteins Involved in Immunity May Be Responsible for Cancer-causing Mutations
A set of proteins involved in the body’s natural defenses produces a large number of mutations in human DNA, according to a study led by researchers at the National Institutes of Health. The findings, published in Nature Genetics, suggest that these naturally produced mutations are just as...
Whole-exome Sequencing of the NCI-60 Cell Line Panel Provides a Genomic Resource for Cancer Biology and Systems Pharmacology
The NCI-60 cell lines, which represent cancers of lung, colon, brain, ovary, breast, prostate, and kidney as well as leukemia and melanoma, are the most frequently studied human tumor cell lines in cancer research and have generated the most extensive cancer pharmacology database worldwide. As...
Scientists Develop Mathematical Model to Predict Cancer Cells’ Resistance to Therapy
New research using mathematical models of different types of cancer—including melanoma, pancreatic, and colorectal—to determine the evolutionary dynamics of lesions in response to treatment is revealing why and how cancer cells resist targeted therapies. The study by Ivana Bozic, PhD,...
Active Surveillance May Miss Aggressive Prostate Cancers in African American Men
A study of more than 1,800 men aged 52 to 62 suggests that African Americans diagnosed with very low-risk prostate cancers are much more likely than white men to actually have aggressive disease that goes unrecognized with current diagnostic approaches. Although prior studies have found it safe to...
Lugano 2013: Vitamin D Deficiency Associated with Worse Outcome in Elderly Patients with Aggressive B-cell Lymphoma Receiving R-CHOP or CHOP
Vitamin D deficiency recently was shown to be associated with worse outcome in patients with non-Hodgkin lymphoma. To determine whether such an association exists in patients with aggressive B-cell lymphoma, Jörg T. Bittenbring, of Saarland University Medical School, Germany, and colleagues in ...
Follicular Lymphoma Cells Induce Changes in T-cell Gene Expression and Function, Show Prognostic Significance for Survival
It has been shown that CD4 and CD8 tumor-infiltrating lymphocytes in follicular lymphoma have impaired function and suppressed recruitment of critical signaling proteins to the immunologic synapse, and a number of studies have indicated the prognostic importance of the immune microenvironment in...
ASCO 2013: Top Five Things Oncologists Need to Know about Cancer in Older Adults
A workforce shortage of geriatricians and other health professionals trained and certified in caring for older patients with cancer is colliding with the aging of the population and the increasing number of older Americans with cancer. After describing factors contributing to these dual challenges, ...
ASCO 2013: Cervical Cancer Screening Using Visual Inspection with Vinegar Reduces Mortality by 31% in Large Study in India
Cervical cancer mortality was reduced by 31% over a period of 15 years among women screened with biennial visual inspection with acetic acid (VIA), or vinegar, delivered by primary health workers in a large randomized study conducted among 150,000 women in India. The researchers estimate this...
Joint Statement on the President's Budget from ASCO, Community Oncology Alliance, ION Solutions, and the US Oncology Network
The President has released his proposed budget for fiscal year 2014, which proposes new reductions for cancer care services. Taken in combination with existing strains imposed by sequestration, this proposal threatens access to care for some of America's most vulnerable: elderly patients with ...
Cisplatin-resistant Cancer Cells Sensitive to PARP Inhibitors
Poly (ADP-ribose) polymerase (PARP) inhibitors may be a novel treatment strategy for patients with cancer that has become resistant to the commonly used chemotherapy drug cisplatin, according to data from a preclinical study published in Cancer Research, a journal of the American Association for...
New Metabolite-based Diagnostic Test Could Help Detect Pancreatic Cancer Early
A new diagnostic test that uses a technique known as metabolomic analysis may be a safe and easy screening method that could improve the prognosis of patients with pancreatic cancer through earlier detection. Researchers examined the utility of metabolomic analysis as a diagnostic method for...
Gene Profile May Help Identify Risk for Hormone-sensitive, Hormone-insensitive Breast Cancer
The overexpression or underexpression of a newly identified set of genes related to lipid metabolism may help physicians identify whether or not a woman is at risk for hormone receptor–positive or hormone receptor–negative breast cancer and to subsequently tailor prevention strategies...
IOM Gauges Progress in Goals for Improving the Cancer Clinical Trials System
The National Cancer Policy Forum of the Institute of Medicine (IOM), in conjunction with ASCO, held a workshop in February to discuss a collaborative approach to making the National Cancer Institute (NCI)-funded clinical trials system more viable and productive. This was a follow-up meeting to...
Tackling Tobacco Consumption and Improving Vaccination Access Are Two of the Best Ways to Reduce Global Cancer Burden
Combatting the tobacco industry’s tactics in the world’s poorest countries as well as ensuring the best cancer vaccines are available to those most in need are key in order to reduce the number of cancer deaths worldwide, according to a new report published in the journal Science...
Researchers Identify Variations in Four Genes That Are Associated with an Increased Risk of Colorectal Cancer
An international research team co-led by cancer prevention researcher Ulrike Peters, PhD, MPH, and biostatistician Hsu Li, PhD, at Fred Hutchinson Cancer Research Center has identified variations in four genes that are linked to an increased risk of colorectal cancer. Dr. Peters and...
