American researchers have made use of a technology often utilized in computer animation to develop a new computer simulation that sheds light on how cancer cells enter the bloodstream, a new study published in the journal Physics of Fluids reveals.
To create the simulation, a group of scientists from the University of Southern California in Los Angeles, Oregon Health and Science University in Portland, Ore., and The Scripps Research Institute in La Jolla, Calif., first had to describe the physics of the process. The researchers couldn't directly measure the fluid forces acting on a tumor cell in the body. Instead, they imaged blood flowing at different velocities over a breast cancer cell on a glass plate. Then, they bridged the gap between known and unknown with an Active Shape Model, a statistical technique that animators use to create furry monsters. Active Shape Models track the shape of an object as it dynamically deforms. When combined with the experimental data, the modeling enabled the team to compute the fluid forces acting on the cell, and that in turn helped them tune the simulation.
AdvertisementThe study is an important first step toward understanding the mechanical properties of cancer cells and how they travel over the course of the disease, the researchers say. The ultimate goal is developing computer simulations of metastasis' multi-step process, and thus new therapies to target metastasis.
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