🔘Zebrafish
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Scientists discovered that a protein found in Zebrafish can regenerate aged discs in human vertebrae.
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◾️A study by Agharkar Research Institute (ARI), Pune, an autonomous institute of the Department of Science and Technology, discovered that a protein called Cellular communication network factor 2a (Ccn2a) secreted from intervertebral disc cells induces disc regeneration in aged degenerated discs in humans.
◾️Zebrafish is a small (2-3 cm long) freshwater fish found in tropical and subtropical regions.
◾️The fish is native to South Asia’s Indo-Gangetic plains, where they are mostly found in the paddy fields and even in stagnant water and streams.
It attracts developmental biologists due to its adequate regeneration capacity of almost all its organs, including the brain, heart, eye, and spinal cord.
◾️It has a similar genetic structure (around 70%) to humans.
◾️IUCN Red List Status: Least concerned.
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