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transparent human cells

28.08.2020

Octopuses, squids and other sea creatures can become invisible by using special tissues in their bodies to control the reflection of light. Researchers at the University of California have created human cells that have similar transparent abilities.

The project belongs to the field of science, aimed at the development and construction of cellular systems and tissues with controlled properties for the transmission, reflection and absorption of light.

The team's research was inspired by how Doryteuthis opalescens squids can avoid predators by dynamically switching color from near transparent to opaque white. The researchers then borrowed some of the intercellular protein particles involved in this biological cloaking technique and found a way to inject them into human cells to test whether the light-scattering abilities could be passed on to other animals.

This species of squid has all the reflective specialized cells called leucophores that can change the way light is scattered. Within these cells are leukosomes, membrane-bound particles that are made up of proteins known as reflectins that can produce iridescent camouflage.

The researchers had to genetically modify human embryonic kidney cells to express reflexin. And it worked: the proteins assembled into particles inside the cells, changing the scattering of light.

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