In: Religion Topics

Submitted By ldrummond74
Words 671
Pages 3
Strayer University
SCI 115
Spring 2015
May 8, 2015

Regeneration in biology refers to the process of renewing, restoring, and growing that makes cells, organisms, ecosystems and genomes resilient to damage. “Grow your own... heart, limb, or organ" is about research that is being conducted on the flatworm known as planaria. They have the ability to regrow their head or tail in as little as one week when damaged or cut off. Scientists are studying these worms in an effort to learn how to grow a new pancreas, new neurons, and other body parts. The researcher hopes this research will be an effective way to combat diabetes, Alzheimer's disease and many other diseases that plague human beings. "This promising possibilities of tissue regeneration are being explored in the labs of molecular biologists like Peter Reddien. Reddien's lab at MIT seeks to answer two fundamental questions about planarian regeneration. First: Which cells have the ability to regenerate tissue? And second: How are they instructed to do so" (Garcia, 2014)? Reddien and his group found that clonogenic neoblasts can give rise to new tissue. Clonogenic neoblasts are adult stem cells found in planaria bodies. Their bodies are loaded with these stem cells and are ready to regenerate promptly practically any missing body part.
Reddien's lab is also studying how the planaria know which part to regenerate, the head or the tail. One of the researchers, Christian Petersen found that one particular gene called ß-catenin was essential. When ß-catenin is not, present the planaria's cannot communicate with neighboring cells to ensure it grows the right end back. The human body is capable of regrowing particular tissue when damaged, such as broken bones and scrapes. The researchers hope to understand why the human body does not regenerate when there is a severely damaged organ or…...

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