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Liver regeneration is the process by which the liver is able to replace damaged or lost liver tissue. The liver is the only visceral organ with the capacity to regenerate. [ 1 ] [ 2 ] The liver can regenerate after partial hepatectomy or injury due to hepatotoxic agents such as certain medications, toxins, or chemicals. [ 3 ]
In 2009, the regeneration of hollow organs and tissues with a long diffusion distance, was a little more challenging. Therefore, to regenerate hollow organs and tissues with a long diffusion distance, the tissue had to be regenerated inside the lab, via the use of a 3D printer. [2]
It is not known how to compensate for the absence of liver function in the long term, although liver dialysis techniques can be used in the short term. Artificial livers have not been developed to promote long-term replacement in the absence of the liver. As of 2018, [10] liver transplantation is the only option for complete liver failure.
Untreated over time, cirrhosis can lead to liver failure and death. One study from 2018 showed that deaths from alcohol-related cirrhosis consistently ticked up between 2009 and 2016.
Spontaneous regeneration occurs in the human body naturally. The most recognised example of this is the regeneration of the liver, [16] which can regenerate up to two thirds of its mass when injured by surgical removal, ischaemia or after exposure to harmful toxins. [16] (Figure 2) Figure 2: Mechanism of liver regeneration in adult humans
Cirrhosis, also known as liver cirrhosis or hepatic cirrhosis, chronic liver failure or chronic hepatic failure and end-stage liver disease, is an acute condition of the liver in which the normal functioning tissue, or parenchyma, is replaced with scar tissue and regenerative nodules as a result of chronic liver disease.