Chemistry: natural resins or derivatives; peptides or proteins; – Proteins – i.e. – more than 100 amino acid residues
Reexamination Certificate
2005-09-27
2005-09-27
Parkin, Jeffrey S. (Department: 1648)
Chemistry: natural resins or derivatives; peptides or proteins;
Proteins, i.e., more than 100 amino acid residues
Reexamination Certificate
active
06949623
ABSTRACT:
The present invention provides a method for increasing the efficiency of gene transfer into target cells with a retrovirus. The transduction is affected by infecting target cells with a retrovirus in the presence of a mixture of a functional material having a retrovirus binding domain, and a second functional material having target cell binding domain. The target cells may be selected from the group of unintentional hematopoietic progenitor cells and erythrocyte precursor, specifically pluripotent stem cells or embryopalstic stem cells.
REFERENCES:
patent: 5302701 (1994-04-01), Hashi et al.
Asada Kiyozo
Hashino Kimikazu
Kato Ikunoshin
Koyama Nobuto
Uemori Takashi
DLA Piper Rudnick Gray Cary US LLP
Parkin Jeffrey S.
Takara Bio Inc.
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