StemCellPatents.com Newsletter
Your weekly source for the latest stem cell research and stem cell patents.
Hello ,
An interesting week in terms of new ways of stimulating hematopoietic stem cells. Patent #7,442,390 issued covering the use of specific populations of mesenchymal-like cells for augmenting hematopoietic stem cell engraftment, whereas patent # 7,442,394 also issued, teaching the use of blueberries and other natural products in the development of a composition that activates "stem cells". Yet again this week, Jamie Thomson was awarded another patent (#7,442,548), this time for an expansion of previous work, essentially showing that various supplements can be added to serum-free media to allow embryonic stem cell expansion without differentiation.
Neat paper was also published last week, first time demonstration of CTLA-4 blockade in post hematopoietic stem cell transplant relapse patients. Although it was a dose-finding study, 3 patients underwent objective disease response with a one-injection protocol. The ability to stimulate immune suppression through inhibition of an inhibitor was previously discussed in the write-up we did on removal of cancer-secreted exosomes.
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RMSC 2008 World Congress (2-4 December 2008)
The 3rd Annual Stem Cells World Congress (20-22 January 2009)
The Stem Cell Meeting (March 2009)
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