Name: generation of human induced pluripotent stem cells from peripheral blood using the stemcca lentiviral vector
Uploaded: 2012-10-31T23:00:00
Description: Watch this Scientific Journal Video about Generation of Human Induced Pluripotent Stem Cells from Peripheral Blood Using the STEMCCA Lentiviral Vector at JoVE.com

These studies were funded in part by NIH UO1HL107443-01 Award to GJM and GM.

1. Isolation and Expansion of Peripheral Blood Mononuclear Cells (PBMCs)
DAY 0
<ol>
 <li>Draw 4 ml of peripheral blood into a BD Vacutainer CPT Cell Preparation Tube with sodium citrate. Invert the tube 8 to 10 times and centrifuge at 1,800 x g for 30 min at room temperature. Ideally, this step should be done within 2 hr of collection.</li>
 <li>Collect the mononuclear cells (MCs) by pipetting the buffy coat (cell layer between gel barrier and plasma) into a sterile 15 ml conical centrifuge tub...

<ol>
	<li>Lowry, W. E., Richter, L., Yachechko, R., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Generation+of+human+induced+pluripotent+stem+cells+from+dermal+fibroblasts.">Generation of human induced pluripotent stem cells from dermal fibroblasts.</a> Proc. Natl. Acad. Sci. U.S.A. 105, 2883-2888 (2008).</li><li>Park, I. H., Zhao, R., West, J. A., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Reprogramming+of+human+somatic+cells+to+pluripotency+with+defined+factors.">Reprogramming of human somatic cells to pluripotency with defined factors.</a> Nature. 451, 141-146 (2008).</li><li>Takahashi, K., Tanabe, K., Ohnuki, M., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Induction+of+pluripotent+stem+cells+from+adult+human+fibroblasts+by+defined+factors.">Induction of pluripotent stem cells from adult human fibroblasts by defined factors.</a> Cell. 131, 861-872 (2007).</li><li>Yu, J., Vodyanik, M. A., Smuga-Otto, K., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Induced+pluripotent+stem+cell+lines+derived+from+human+somatic+cells.">Induced pluripotent stem cell lines derived from human somatic cells.</a> Science. 318, 1917-1920 (2007).</li><li>Stadtfeld, M., Hochedlinger, K., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Induced+pluripotency:+history,+mechanisms,+and+applications.">Induced pluripotency: history, mechanisms, and applications.</a> Genes Dev. 24, 2239-2263 (2010).</li><li>Somers, A., Jean, J. C., Sommer, C. A., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Generation+of+transgene-free+lung+disease-specific+human+induced+pluripotent+stem+cells+using+a+single+excisable+lentiviral+stem+cell+cassette.">Generation of transgene-free lung disease-specific human induced pluripotent stem cells using a single excisable lentiviral stem cell cassette.</a> Stem Cells. 28, 1728-1740 (2010).</li><li>Loh, Y. H., Hartung, O., Li, H., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Reprogramming+of+T+cells+from+human+peripheral+blood.">Reprogramming of T cells from human peripheral blood.</a> Cell Stem Cell. 7, 15-19 (2010).</li><li>Seki, T., Yuasa, S., Oda, M., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Generation+of+induced+pluripotent+stem+cells+from+human+terminally+differentiated+circulating+T+cells.">Generation of induced pluripotent stem cells from human terminally differentiated circulating T cells.</a> Cell Stem Cell. 7, 11-14 (2010).</li><li>Staerk, J., Dawlaty, M. M., Gao, Q., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Reprogramming+of+human+peripheral+blood+cells+to+induced+pluripotent+stem+cells.">Reprogramming of human peripheral blood cells to induced pluripotent stem cells.</a> Cell Stem Cell. 7, 20-24 (2010).</li><li>Chou, B. K., Mali, P., Huang, X., et al. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=Efficient+human+iPS+cell+derivation+by+a+non-integrating+plasmid+from+blood+cells+with+unique+epigenetic+and+gene+expression+signatures.">Efficient human iPS cell derivation by a non-integrating plasmid from blood cells with unique epigenetic and gene expression signatures.</a> Cell Res. 21, 518-529 (2011).</li><li>vanden Akker, E., Satchwell, T. J., Pellegrin, S., Daniels, G., Toye, A. M. <a target="_blank" href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Search&doptcmdl=Citation&defaultField=Title+Word&term=The+majority+of+the+in+vitro+erythroid+expansion+potential+resides+in+CD34(-)+cells,+outweighing+the+contribution+of+CD34(+)+cells+and+significantly+increasing+the+erythroblast+yield+from+peripheral+blood+samples.">The majority of the in vitro erythroid expansion potential resides in CD34(-) cells, outweighing the contribution of CD34(+) cells and significantly increasing the erythroblast yield from peripheral blood samples.</a> Haematologica. 95, 1594-1598 (2010).</li></ol>

We herein describe the use of the STEMCCA lentiviral vector to generate human iPSCs from mononuclear cells isolated from a few milliliters of freshly collected peripheral blood. The protocol can also be used to reprogram frozen PBMCs (obtained directly from the buffy coat), a detail of significant practical implications when utilizing donor cells acquired from a distant location. Before the induction of reprogramming, isolated PBMCs must undergo a critical expansion step that renders a healthy proliferating population of...

<table border="1">
 <tbody>
 <tr>
 <td>Name of the reagent</td>
 <td>Company</td>
 <td>Catalogue number</td>
 <td>Comments (optional)</td>
 </tr>
 <tr>
 <td>BD Vacutainer CPT Cell Preparation Tube with sodium citrate</td>
 <td>BD Biosciences</td>
 <td>362760</td>
 <td></td>
 </tr>
 <tr>
 <td>QBSF-60 Stem Cell Medium </td>
 <td>Quality Biological</td>
 <td>160-204-101</td>
 <td></td>
 </tr>
 <tr>
 <td>IMDM</td>
 <td>Invitrogen</td>
 <td>12440</td>
 <td></td>
 </tr>
 <tr>
 <td>DMEM/F12</td>
 <td>Invitrogen</td>
 <td>11330</td>
 <td></td>
 </tr>
 <tr>
 <td>FBS</td>
 <td>Atlanta Biologicals</td>
 <td>S10250</td>
 <td></td>
 </tr>
 <tr>
 <td>Knockout Serum Replacement</td>
 <td>Invitrogen</td>
 <td>10828</td>
 <td></td>
 </tr>
 <tr>
 <td>Primocin</td>
 <td>Invivogen</td>
 <td>ant-pm-2</td>
 <td></td>
 </tr>
 <tr>
 <td>Pen/Strep</td>
 <td>Invitrogen</td>
 <td>15140</td>
 <td></td>
 </tr>
 <tr>
 <td>L-Glutamine</td>
 <td>Invitrogen</td>
 <td>25030</td>
 <td></td>
 </tr>
 <tr>
 <td>Non-Essential Amino Acids</td>
 <td>Invitrogen</td>
 <td>11140</td>
 <td></td>
 </tr>
 <tr>
 <td>&beta;-mercaptoethanol</td>
 <td>MP Biomedicals</td>
 <td>190242</td>
 <td></td>
 </tr>
 <tr>
 <td>Ascorbic Acid</td>
 <td>Sigma</td>
 <td>A4544</td>
 <td></td>
 </tr>
 <tr>
 <td>IGF-1</td>
 <td>R&amp;D Systems</td>
 <td>291-G1</td>
 <td></td>
 </tr>
 <tr>
 <td>IL-3</td>
 <td>R&amp;D Systems</td>
 <td>203-IL</td>
 <td></td>
 </tr>
 <tr>
 <td>SCF</td>
 <td>R&amp;D Systems</td>
 <td>255-SC</td>
 <td></td>
 </tr>
 <tr>
 <td>EPO</td>
 <td>R&amp;D Systems</td>
 <td>286-EP</td>
 <td></td>
 </tr>
 <tr>
 <td>Dexamethasone</td>
 <td>Sigma</td>
 <td>D4902</td>
 <td></td>
 </tr>
 <tr>
 <td>Polybrene</td>
 <td>Sigma</td>
 <td>H-9268</td>
 <td></td>
 </tr>
 <tr>
 <td>bFGF</td>
 <td>R&amp;D Systems</td>
 <td>233-FB</td>
 <td></td>
 </tr>
 <tr>
 <td>Stemolecule Y27632</td>
 <td>Stemgent</td>
 <td>04-0012</td>
 <td></td>
 </tr>
 <tr>
 <td>ES Cell Marker Sample Kit</td>
 <td>Millipore</td>
 <td>SCR002</td>
 <td></td>
 </tr>
 </tbody>
</table>

generation of human induced pluripotent stem cells from peripheral blood using the stemcca lentiviral vector

Through the ectopic expression of four transcription factors, Oct4, Klf4, Sox2 and cMyc, human somatic cells can be converted to a pluripotent state, generating so-called induced pluripotent stem cells (iPSCs)1-4. Patient-specific iPSCs lack the ethical concerns that surround embryonic stem cells (ESCs) and would bypass possible immune rejection. Thus, iPSCs have attracted considerable attention for disease modeling studies, the screening of pharmacological compounds, and regenerative therapies5.
We have shown the generation of transgene-free human iPSCs from patients with different lung diseases using a single excisable polycistronic lentiviral Stem Cell Cassette (STEMCCA) encoding the Yamanaka factors6. These iPSC lines were generated from skin fibroblasts, the most common cell type used for reprogramming. Normally, obtaining fibroblasts requires a skin punch biopsy followed by expansion of the cells in culture for a few passages. Importantly, a number of groups have reported the reprogramming of human peripheral blood cells into iPSCs7-9. In one study, a Tet inducible version of the STEMCCA vector was employed9, which required the blood cells to be simultaneously infected with a constitutively active lentivirus encoding the reverse tetracycline transactivator. In contrast to fibroblasts, peripheral blood cells can be collected via minimally invasive procedures, greatly reducing the discomfort and distress of the patient. A simple and effective protocol for reprogramming blood cells using a constitutive single excisable vector may accelerate the application of iPSC technology by making it accessible to a broader research community. Furthermore, reprogramming of peripheral blood cells allows for the generation of iPSCs from individuals in which skin biopsies should be avoided (i.e. aberrant scarring) or due to pre-existing disease conditions preventing access to punch biopsies.
Here we demonstrate a protocol for the generation of human iPSCs from peripheral blood mononuclear cells (PBMCs) using a single floxed-excisable lentiviral vector constitutively expressing the 4 factors. Freshly collected or thawed PBMCs are expanded for 9 days as described10,11 in medium containing ascorbic acid, SCF, IGF-1, IL-3 and EPO before being transduced with the STEMCCA lentivirus. Cells are then plated onto MEFs and ESC-like colonies can be visualized two weeks after infection. Finally, selected clones are expanded and tested for the expression of the pluripotency markers SSEA-4, Tra-1-60 and Tra-1-81. This protocol is simple, robust and highly consistent, providing a reliable methodology for the generation of human iPSCs from readily accessible 4 ml of blood.

We demonstrate a simple and effective protocol for the generation of human iPSCs from PBMCs using a single lentiviral vector. Figure 1A shows a schematic representation of the protocol. The blood is collected into a BD Vacutainer CPT Cell Preparation Tube with sodium citrate, and after centrifugation, mononuclear cells can be collected from the interface between the polyester gel and the plasma (buffy coat) (Figure 1B). The isolated PBMCs are then expanded in culture for 9 days. ...

Watch this Scientific Journal Video about Generation of Human Induced Pluripotent Stem Cells from Peripheral Blood Using the STEMCCA Lentiviral Vector at JoVE.com

Generation of Human Induced Pluripotent Stem Cells from Peripheral Blood Using the STEMCCA Lentiviral Vector

Here we show a simple and effective protocol for the generation of human iPSCs from 3-4 ml of peripheral blood using a single lentiviral reprogramming vector. Reprogramming of readily available blood cells promises to accelerate the utilization of iPSC technology by making it accessible to a broader research community.

Through the ectopic expression of four transcription factors, Oct4, Klf4, Sox2 and cMyc, human somatic cells can be converted to a pluripotent state, ...

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