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U.S. scientists say they have discovered a group of genes that act as barriers against cancer development. Cold Spring Harbor Laboratory researchers said they used a powerful technology called RNA interference, which suppresses gene activity, to screen hundreds of candidate tumor suppressors in living mice, using small hairpin- shaped molecules that attach to specific genes and switch them off.
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A third of U.S. women suspected of having breast cancer get open surgery biopsies, though the needle biopsy represents best practice, researchers say.
A U.S. researcher says he has found a way to fence in cancer in the breast so it does not spread. Dr. Seth Corey of the Feinberg School of Medicine and director of the pediatric oncology program at the Robert H. Lurie Comprehensive Cancer Center of Northwestern University, said lab tests showed a chemo cocktail combining a drug normally used to treat leukemia -- dasatinib -- with a common breast cancer drug -- doxorubicin -- inhibited breast cancer cell invasion by half.
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According to recent research from the United States, Negative regulatory mechanisms within the solid tumor microenvironment inhibit antitumor T-cell function, leading to evasion from immune attack. One inhibitory mechanism is up-regulation of programmed death-ligand 1 (PD- L1) expressed on tumor or stromal cells which binds to programmed death-1 (PD-1) on activated T cells.
In this recently published study, investigators in the United States conducted a study To evaluate the patterns and timing of initial recurrence in patients with Hodgkin's lymphoma (HL) who subsequently underwent high-dose chemotherapy with autologous stem cell transplantation to enhance our understanding of the natural history of this disease and its modern treatment strategies and to direct approaches to disease surveillance.
U.S. medical scientists say they have determined how physicians can lowers their costs and reduce waiting times for patients undergoing colonoscopies. Colorectal cancer is a leading cause of cancer-related deaths in the United States, but the disease can be managed with early screening using a procedure called a colonoscopy.
According to recent research from Vienna, Austria, Sporadic colorectal cancer is a disease of advancing age and the percentage of the population which reaches an advanced age is strongly, increasing. Multiple factors are responsible for the etiology of this cancer since the colorectal mucosa is directly influenced by, nutrients reaching the colonic lumen and impacting on mucosal cells.
Genetic variability in drug-metabolizing enzymes and signaling pathways affects chemotherapy- related toxicity and treatment outcome in cancer. in breast and colorectal. cancer, polymorphisms in metabolic enzymes involved in tamoxifen and irinotecan therapies has led the U.S. Food and Drug Administration to address genetic factors relevant to patient consideration of treatment with these compounds, investigators in the United States report.
According to recent research from the United States, The absence of highly sensitive and specific serum biomarkers makes mass screening for ovarian cancer impossible. The claudin proteins are frequently overexpressed in ovarian cancers, but their potential as prognostic, diagnostic, or detection markers remains unclear.
Breast-Specific Gamma Imaging (BSGI), a molecular breast imaging technique with comparable sensitivity to breast magnetic resonance imaging (MRI) for detecting breast carcinoma when used in pre-surgical planning for patients with known cancer diagnoses and is substantially less expensive than MRI, according to findings presented today at the American Society of Clinical Oncology Breast Cancer Symposium in San Francisco, California.
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