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Biotech / Medical : Biotech News

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To: tnsaf who started this subject3/28/2001 4:11:26 AM
From: sim1  Read Replies (1) of 7143
 
Artificial Thymus [Technology Review]

Laboratory production of T cells—immune cells that grow
naturally in the thymus gland—could provide new
therapies against cancer, autoimmune disorders and organ
transplant rejection. But they're hard to grow in culture
dishes; current methods yield too few cells of too little
variety. Researchers from Massachusetts General Hospital
in Boston and the Woburn, MA, biotechnology firm Cell
Science Therapeutics have developed an artificial thymus
that solves both problems. Constructed from a porous
metal-and-carbon material typically used for bone repair
and arranged in a three-dimensional matrix, the structure
mimics the functions of a living-tissue thymus, generating
a bumper crop of T cells that can adjust to new threats.
Clinical trials start in 2002, with commercial availability
expected a few years later. —M. Wortman
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