Stem cell mediated treg activation/expansion for therapeutic immune modulation
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United States of America Patent
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Aug 14, 2012
Grant Date -
Jul 3, 2008
app pub date -
Dec 18, 2007
filing date -
Dec 18, 2006
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Abstract
Disclosed are cells, methods of modulating cells, and therapeutic uses of the cells for the immune modulation of mammals in need thereof. Immune modulation including alteration of cytokine profile, cytotoxic activity, antibody production and inflammatory states is achieved through the administration of various cell types that have been unmanipulated or manipulated in order to endow specific biological activity. Cellular subsets and administration of the subsets in combination with various agents are also provided. One embodiment teaches the previously unknown finding that adipose tissue derived mononuclear cells contain T cells with immune regulatory properties that alone or synergistically with various stem cells induce immune modulation upon administration. Another embodiment is the finding that stimulation of stem cell activation results in stem cell secondary activation of immune modulatory cells, one type which is T regulatory cells (Tregs). One specific embodiment involves extraction of a heterogenous stem cell pool, which contains T regulatory cells, treatment in culture of the population with agents known to stimulate stem cell activation, then subsequent extraction and administration of the purified Tregs. Other embodiments include expansion of Tregs in the presence of antigen in order to generate anti-specific Tregs.
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- XON CELLS, INC.;MEDISTEM LABORTORIES
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Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Ichim, Thomas E | San Diego, US | 103 | 591 |
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