Healthcare Industry News: liver assist device
News Release - April 30, 2007
HepaLife Achieves Major Milestone in Development of Artificial Liver DeviceHepaLife's proprietary Bioreactor system achieves early success using Company's patented PICM-19 liver cells; successfully replicates vital human liver functions
BOSTON--(HSMN NewsFeed)--HepaLife Technologies, Inc. (OTCBB:HPLF ; FWB:HL1) (WKN:500625), developing the first-of-its-kind artificial liver device, today announced favorable early test results of the Company's proprietary bioreactor system, the main mechanical component of an artificial liver device, which successfully replicated the human liver's key function - removal of toxic ammonia and synthesis of urea.
In contrast, conventional cell systems may not remain contact-inhibited, and as such, become tumorigenic or cancerous. Additionally, unlike PICM-19 liver cells inside the bioreactor system, other traditional cell lines may not differentiate into liver cells, or retain normal morphology after growth. Notably, distinct from other cell lines, HepaLife's PICM-19 cell line is the only known, embryonic liver stem cell line of its kind with the ability to produce substantial amounts of urea, in an in vitro system.
"These successful test results serve as early validation of our bioreactor system and cell line, which earlier this month, significantly outperformed the world's most widely-used human liver cell line," explained Mr. Frank Menzler, President and CEO of HepaLife Technologies, Inc.
(View HepaLife's April 10, 2007 press release, announcing Company's PICM-19 cells mimic human liver's responses, and significantly outperform world's most widely-used liver cell line: http://www.hepalife.com/20070410-1.html.php)
"Together, the strong performance of our PICM-19 liver cells, and early success of our bioreactor system, clearly mark significant strides in our development of a bioartificial liver device, able to replicate human liver functions and support patients with acute liver failure."
The need for an artificial liver device able to remove toxins and improve immediate and long-term survival results is more critical today than ever before. Limited treatment options, a low number of donor organs, the high price of transplants and follow up costs, a growing base of hepatitis, alcohol abuse, drug overdoses, and other factors that result in liver disease all clearly indicate a strong need for an artificial liver device.
The World Health Organization estimates that 10% of the world's population has chronic liver disease, including 25 million Americans. In China alone, half a million die of the disease each year. Currently 17,000 Americans are awaiting liver transplants, approximately six times greater than the number of patients awaiting heart transplantation. Last year, only 30% of those in need of liver transplantation were transplanted due to a severe lack of donor livers available.
In response, the National Institutes of Health has issued its formal Action Plan for Liver Disease Research, stating in part, "In the area of acute liver failure, the primary goals of research should be in developing means to prevent acute liver failure and ameliorate its course .... Most helpful would be an artificial or bioartificial liver assist device that could be used to sustain patients and serve as a bridge to liver transplantation, which is the only effective treatment that is currently available for fulminant hepatic failure."
HepaLife's patented artificial liver device, currently under development, is designed to operate outside the patient's body (extracorporeal). The machine mimics important functions of the human liver by circulating the patient's blood inside the artificial liver device where it is exposed to HepaLife's patented PICM-19 liver cells inside the bioreactor unit.
Once inside the bioreactor unit, researchers anticipate HepaLife's artificial liver device will process the patient's blood-plasma using the Company's PICM-19 liver cells, removing toxins, enhancing metabolic function, and ultimately, imitating the liver's function. In contrast to HepaLife's biological process, conventional filtration or dialysis systems rely on mechanical methods, limited to merely filtering toxins from the blood.
ABOUT HEPALIFE TECHNOLOGIES, INC.
HepaLife Technologies, Inc. (OTCBB: HPLF ) (FWB:HL1) (WKN:500625) is a biotechnology company focused on the identification and development of cell-based technologies and products.
Current cell-based technologies under development by HepaLife include 1) the first-of-its-kind artificial liver device, 2) proprietary in-vitro toxicology and pre-clinical drug testing platforms, and 3) novel cell-culture based vaccine production to protect against the spread of influenza viruses among humans, including potentially the high pathogenicity H5N1 virus.
For additional information, please visit www.hepalife.com.
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Source: HepaLife Technologies
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