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Treatment resistance in triple-negative breast cancers linked to softer tissue environment Researchers at the University of California, San Francisco, have discovered that aggressive, triple-negative breast cancers (TNBCs) can evade treatment by reorganizing and softening the collagen matrix that surrounds the cancer cells. The study, which will be published April 2 in the Journal of Experimental Medicine ( JEM), shows that the softer matrix activates a signaling pathway that promotes the cancer cells survival, and suggests that targeting this pathway could enhance the effectiveness of chemo- and radiotherapy in TNBC patients. TNBC is an aggressive type of breast cancer with worse survival rates than other forms of the disease. Because TNBC cells lack the HER2 signaling receptor and the estrogen and progesterone hormone receptors, they cannot be eliminated by drugs that specifically target these proteins. Instead, TNBC patients are normally treated with a combina ....
Study paves way for effective monitoring of chemotherapeutic drug level in cancer patients Cancer is the world s second deadliest disease which contributes towards the fatality of over 10 million people per year. Oncologists adopt a variety of treatment procedures to treat cancer cells. Among the different methods used to fight cancer, chemotherapeutic treatment is a prominent and well-adopted technique. It is a drug based method, wherein powerful chemical compounds are injected into the body to annihilate the malignant cells. Although these chemicals support the destruction of the cancerous cells, optimizing their dosage has always been a challenge to the medical specialists. ....
Changing diet and exercise can make chemotherapy more effective in youth with leukemia Overweight children and adolescents receiving chemotherapy for treatment of leukemia are less successful battling the disease compared to their lean peers. Now, research conducted at the Cancer and Blood Disease Institute at Children s Hospital Los Angeles indicates that modest changes in diet and exercise can greatly increase survival in youth treated for acute lymphoblastic leukemia (ALL), the most common childhood cancer. To our knowledge, this is the first study to show that by limiting calories and increasing exercise we can make chemotherapy more effective in eliminating leukemia cells within the first month of therapy, decreasing the chances of disease relapse in children and adolescents. ....
Giving chemotherapy in the morning can extend survival of glioblastoma patients An aggressive type of brain cancer, glioblastoma has no cure. Patients survive an average of 15 months after diagnosis, with fewer than 10% of patients surviving longer than five years. While researchers are investigating potential new therapies via ongoing clinical trials, a new study from Washington University in St. Louis suggests that a minor adjustment to the current standard treatment -; giving chemotherapy in the morning rather than the evening -; could add a few months to patients survival. The study appears online in the journal Neuro-Oncology Advances. Average overall survival for all patients in the study was about 15 months after diagnosis. Those receiving the chemotherapy drug temozolomide in the morning had an average overall survival of about 17 months post diagnosis, compared with an average overall survival of about 13½ months for those taking the drug in the evening, a s ....