New biophysics research adds to our knowledge about the origins of left-right asymmetry in the body.
"If you look at our insides, we are not symmetrical -- our heart, liver, and stomach are not placed symmetrically," said Vivek Prakash, assistant professor of physics at the University of Miami College of Arts and Sciences, who specializes in the field of biophysics."The question we wanted to answer is when does this asymmetry begin?"
Their findings shed new light on early development and could apply to many different animals, including humans. As a result, the study was published in thethis week and may help scientists to better understand the very beginnings of left-right asymmetry. Using fluorescent microscopes and live imaging videos, the team studied and quantified cell motion inside dozens of chick embryos. By analyzing the videos -- and distilling 10 hours of cell movement into 10 seconds -- they observed cell movements flowing in outward circles from the middle of the chicken embryos, and they saw that these movements were larger on the right side than the left side.
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