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4-in-1 Plasmid for Efficiently Generating iPS Cells


Stanford Reference:

13-138


Abstract


Stanford researchers developed a single plasmid reprogramming system called CoMiP carrying codon optimized sequences of the canonical reprogramming factors (OKSM) and short hairpin RNA against p53. They have successfully derived >10 different mouse and human iPSC lines from fibroblast of young and old subjects by performing a single transfection using either electroporation or Lipofectamine LTX. Together with an additional vector encoding for MYC, LIN28 and NANOG they were also able to reprogram blood derived PBMCs into iPSCs. The novelty of this system is that it is highly efficient, integration free, easy to use, and inexpensive to produce. Furthermore, the construct is color labeled and is free of any antibiotic selection cassette which might be beneficial for future application in regenerative medicine.


The figure is showing the novel reprogramming plasmid and the expected reprogramming result. Furthermore, this construct is so efficient that the first colonies appear after 5 days and can be picked after 16 days when cultured in chemical defined media.

Stage of Research
The utility of this vector has been demonstrated by transforming different human cell lines including blood derived PBMCs into iPS cells.

Applications


  • iPS Cells - create human and mouse iPSCs from young or old cells

Advantages


  • One reprogramming plasmid (fibroblasts, keratinocytes, renal tubular cells)
  • Antibiotic free
  • All bona fide iPSCs (no intermediates)
  • Color labeled (Tomato)
  • Inexpensive
  • Efficient (200-300 iPS colonies/ 1 x106 fibroblasts)
  • Lipofectamine LTX
  • Blood reprogramming (2 plasmid system)
  • Integration free

Publications



Innovators & Portfolio



Date Released

 2/5/2015
 

Licensing Contact


Sara Nakashima, Licensing Associate
650 725 9115 (Direct)
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Related Keywords


Stem cells, Reporgramming   DNA plasmid   DNA transformation   induced pluripotent stem cells (iPSC)   iPS cell generation   lentiviral   vector   plasmid   research tool: vector   cell reprogramming   cellular reprogramming   gene delivery vectors   gene expression vector   
 

   

  

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