According a recent news article from the Telegraph, researchers in England believe one day, hip replacement operations may no longer be necessary, as a result of studies involving an endangered Mexican salamander called an axoloti. The axoloti is an amphibian but lives its life under water and has been called a walking fish.
While these salamanders have been described as fish-like lizards are endangered because they are traditionally killed and eaten in Mexico, they have the remarkable ability to be able to regenerate parts of their own bodies if injured, including their brains and legs. While it is not the only organism that is capable of regenerating limbs, it is a rare ability for a vertebrate and, in addition, the axoloti also has the ability to easily accept tissues and even appendages from other organisms. It does this because its tissue merges with the donor material through the regeneration process.
Researchers are not necessarily interested in using the axoloti, but rather are seeking to learn how it is able to regenerate itself, so that human tissue could also be stimulated to regrow. It is believed that this would eventually replace the need for foreign material such as artificial hips from being implanted into the human body.
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