These research collaborations have the power to answer questions critical to improving cancer outcomes, such as how
tumors develop drug resistance, and what treatments are most effective against particular genomic traits.
Meanwhile, pediatric pulmonologist Luke Hoffman at the University of Washington has found that some bacteria can
develop drug resistance in response to an environmental change, without exposure to any antibiotics.
Professor Cowman has been integral to the global malaria research effort, leading studies into how the Plasmodium parasites that cause malaria
develop drug resistance as well as understanding the biology of how malaria parasites invade and remodel red blood cells in humans.
The strategy would take advantage of parasite refugia — host populations that have not been treated with drugs, thereby serving as «safe zones» where parasites do
n't develop drug resistance.
«This is because most patients lack actionable mutations and, even among those who do have such molecular alterations, most either fail to respond to the targeted therapy or
rapidly develop drug resistance.»
Patients with non-small cell lung cancer (NSCLC) often respond to standard chemotherapy, only to
develop drug resistance later, and with fatal consequences.
Dr. Lucas Hoffman was quoted in Discover Magazine in an article entitled «Hard Living Breeds Superbugs» regarding his finding that some bacteria can
develop drug resistance in response to environmental change.
Often people on HAART go through such a window of intermediate drug concentrations when they don't take their drugs as prescribed, and
develop drug resistance as a result.
The study in Oncotarget, by revealing biological mechanisms by which RAF - fusion
tumors develop drug resistance, suggests a possible solution: using a combination of drugs to inhibit downstream signals along two cancer - driving pathways, thus bypassing the difference in how RAF inhibitors succeed against CRAF - fusions compared to BRAF - fusions.
While the prognosis for kidney cancer that has not spread is good, patients with advanced or metastatic cancer will
develop drug resistance.
Moreover, cancer cell genomes rapidly evolve in response to environmental pressures, a feature that enables the cells to
develop drug resistance.
«This should greatly improve our understanding of the genomics of bladder cancer, how these tumors respond to drugs, and how
they develop drug resistance.
However, as a result of use and misuse of antibiotics (such as using the wrong drug, or not completing the full course of treatment) bacteria can
develop drug resistance (known as acquired drug resistance).
Professor Michael Lisanti, who designed the study, explained: «We now know that a proportion of cancer cells escape chemotherapy and
develop drug resistance; we established this new strategy to find out how they do it.
The results demonstrate that M. circinelloides can
develop drug resistance two different ways, either stably through permanent mutations or transiently through reversible epimutations.
As we improve the resolution and accuracy of our analyses of genetic variation, we'll be able to delve deeper into key scientific questions like how populations of Plasmodium parasites are evolving, migrating to different locations and
developing drug resistance.
It takes strong drug pressure on a parasite species to encourage it to
develop drug resistance.