Oligodendrocyte determination genes and uses thereof

Chemistry: molecular biology and microbiology – Process of mutation – cell fusion – or genetic modification – Introduction of a polynucleotide molecule into or...

Reexamination Certificate

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C435S368000, C435S375000, C435S377000

Reexamination Certificate

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07732206

ABSTRACT:
The invention relates to methods and reagents for promoting the differentiation of oligodendrocytes from stem cells, by co-activating the Olig genes and the Nkx2.2 genes, and the use of the differentiated oligodendrocytes thus obtained in treating diseases, such as Multiple Sclerosis (MS). The invention also relates to the use of OLPs and oligodendrocytes thus obtained for drug screening.

REFERENCES:
patent: 2004/0014210 (2004-01-01), Jessell et al.
Sun et al., Current Biology, 11(18): 1413-1420, Sep. 18, 2001.
Ryan and Federoff, Expert Opinion in Biological Therapy, 7(3): 305-318, Mar. 2007.
Gabay et al., “Deregulation of Dorsoventral Patterning by FGF Confers Trilineage Differentiation Capacity on CNS Stem Cells in Vitro”, Neuron 40: 485-499 (2003).
Fu et al, “Dual origin of spinal oligodendrocyte progenitors and evidence for the cooperative role of Olig2 and Nkx2.2 in the control of oligodendrocyte differentiation”, Development 129: 681-693 (2002).
Arnett et al, “bHLH Transcription Factor Olig1 is Required to Repair Demyelinated Lesions in the CNS”, Science 306: 2111-2115 (2004).
Gokhan et al, “Combinatorial Profiles of Oligodendrocyte-Selective Classes of Transcriptional Regulators Differentially Modulate Myelin Basic Protein Gene Expression”, Journal of Neuroscience 25(36): 8311-8321 (2005).
Qi et al, “Control of oligodendrocyte differentiation by the Nkx2.2 homeodomain transciption factor”, Development 126: 2723-2733 (2001).
Zhou et al, “Identification of a Novel Family of Oligodendrocyte Lineage-Specific Basic Helix-Loop-Helix Transcription Factors”, Neuron 25: 331-343 (2000).
Zhang et al, “Induction of Oligodendrocytes from Adult Human Olfactory Epithelial-Derived Progenitors by Transcription Factors”, Stem Cells 23: 442-453 (2005).
Zhou et al, “The bHLH Transcription Factors OLIG2 and OLIG1 Couple Neuronal and Glial Subtype Specification”, Cell 109: 61-73 (2002).
Zhou et al, “The bHLH Trancirpiton Factor Olig2 Promotes Oligodendrocyte Differentiation in collaboration with Nkx2.2”, Neuron 31: 791-807 (2001).

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