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Reasons for ibrutinib therapy discontinuation in CLL

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CLL is the most prevalent leukemia in adults and it is not considered curable without an allogeneic (donor) stem cell transplant. However, advances in therapy have been made, notably the emergence of kinase inhibitors for patients whose disease relapsed, according to the study background…

Researchers treat canine cancer, likely to advance human health

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Their investigation began with only a tiny blood platelet, but quickly they discovered opportunities for growth and expanding the breadth of the research. “We have a lot to gain by looking at platelets and how they influence cancer and healing,” said Dr. Camillo Bulla. …

Why targeted drug doesn’t benefit patients with early-stage lung cancer

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Oncologists use erlotinib to treat lung cancers that have a mutation in a gene called epidermal growth factor receptor (EGFR). The gene mutation causes EGFR to run like it has a stuck accelerator, and erlotinib blocks the overactive molecule. The study shows that while erlotinib effectively causes tumors to shrink — suggesting that the drug is helping — this drug also increases the aggressiveness of the tumor so that growth is accelerated when therapy ends. This study finds that this is due to a secondary and previously unknown effect of inhibiting EGFR…

Why early-stage breast cancer survivors opt for mastectomy — ScienceDaily

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“According to research evidence, survival rates are considered equal,” explained dean Nancy Fahrenwald of the South Dakota State University College of Nursing. Working through the South Dakota Women’s Cancer Network, the South Dakota Comprehensive Cancer Control Program and seven cancer treatment centers in the state, Fahrenwald got responses from 1,093 breast cancer survivors who had been diagnosed in the last five years. To determine which of the nine independent variables tipped the scales toward mastectomy, she turned to associate professor Chris Saunders of the mathematics and statistics department. “The statistics were not meant to be innovative but to provide an answer that is robust and rigorous,” said Saunders, who used logistic regression to analyze the survey results…

Discovery of cellular snooze button advances cancer, biofuel research

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The discovery that the protein CHT7 is a likely repressor of cellular quiescence, or resting state, is published in the current issue of the Proceedings of the National Academy of Sciences. This cellular switch, which influences algae’s growth and oil production, also wields control of cellular growth — and tumor growth — in humans…

Potential link between breast cancer genes, salivary gland cancer

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Although salivary gland cancer is rare, this retrospective study suggests it occurs 17 times more often in people with inherited mutations in genes called BRCA1 and BRCA2, than those in the general population. “Further study is needed to confirm this preliminary result, but I believe that a BRCA-positive patient with a lump in a salivary gland should have that lesion evaluated as soon as possible,” says co-author Theodoros Teknos, MD, professor and chair of otolaryngology, director of head and neck oncologic surgery, and the David E. Schuller, MD, and Carole H. Schuller Chair in Otolaryngology at the OSUCCC — James. …

An apple a day could keep obesity away

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“We know that, in general, apples are a good source of these nondigestible compounds but there are differences in varieties,” said food scientist Giuliana Noratto, the study’s lead researcher. “Results from this study will help consumers to discriminate between apple varieties that can aid in the fight against obesity.” The tart green Granny Smith apples benefit the growth of friendly bacteria in the colon due to their high content of non-digestible compounds, including dietary fiber and polyphenols, and low content of available carbohydrates. …

New anti-cancer peptide vaccines and inhibitors developed — ScienceDaily

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Two studies, published in the journal OncoImmunology, identify new peptide vaccines and inhibitors that target the HER-3 and IGF-1R receptors. All four agents elicited significant anti-tumor responses in human cancer cell lines and in animal models. The studies suggest that combining two peptide agents that target different cell receptors can significantly boost their effectiveness and might prevent or overcome the drug resistance that often occurs with standard single-drug treatments that target HER-2…

Liposome research meets nanotechnology to improve cancer treatment

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While radiotherapy can precisely target just the tumor site, systemic chemotherapy spreads a wide net, sending drugs speeding throughout the entire body in an attempt to kill cancer cells while also killing many healthy cells. Neither of these methods is highly effective when applied alone, therefore separated sessions of chemo and radiotherapy are required when fighting against solid tumors. Reports have shown that ideally, both methods would be employed at the same time…

New cancer drug for dogs benefits human research, drug development

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The drug, Verdinexor (KPT-335), works by preventing powerful tumor suppressing proteins from leaving the nucleus of cells, an exodus which allows cancer to grow unchecked. It’s the first new therapeutic option for dog lymphoma in more than two decades, potentially offering vets another alternative for treating the disease, which is the most common form of canine cancer…