CloneR hPSC Cloning Supplement – Stemcell Technologies

By Dr. Matthew Watson

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CloneR is compatible with the TeSR family of media for human ES and iPS cell maintenance as well as your choice of cell culture matrix.

Advantages:

Greatly facilitates the process of genome editing of human ES and iPS cells Compatible with any TeSR maintenance medium and your choice of cell culture matrix Does not require adaptation to single-cell passaging Increases single-cell survival at clonal density across multiple human ES and iPS cell lines

Cell Type:

Pluripotent Stem Cells

Application:

Cell Culture

Area of Interest:

Cell Line Development; Stem Cell Biology; Disease Modeling

Formulation:

Defined; Serum-Free

Document Type

Product Name

Catalog #

Lot #

Language

This product is designed for use in the following research area(s) as part of the highlighted workflow stage(s). Explore these workflows to learn more about the other products we offer to support each research area.

Research Area Workflow Stages for

Workflow Stages

Figure 1. hPSC Single-Cell Cloning Workflow with CloneR

On day 0, human pluripotent stem cells (hPSCs) are seeded as single cells at clonal density (e.g. 25 cells/cm2) or sorted at 1 cell per well in 96-well plates in TeSR (mTeSR1 or TeSR-E8) medium supplemented with CloneR. On day 2, the cells are fed with TeSR medium containing CloneR supplement. From day 4, cells are maintained in TeSR medium without CloneR. Colonies are ready to be picked between days 10 - 14. Clonal cell lines can be maintained long-term in TeSR medium.

Figure 2. CloneR Increases the Cloning Efficiency of hPSCs and is Compatible with Multiple hPSC Lines and Seeding Protocols

TeSR medium supplemented with CloneR increases hPSC cloning efficiency compared with cells plated in TeSR containing ROCK inhibitor. Cells were seeded (A) at clonal density (25 cells/cm2) in mTeSR1 and TeSR-E8 and (B) by single-cell deposition using FACS (seeded at 1 cell/well) in mTeSR1.

Figure 3. CloneR Increases the Cloning Efficiency of hPSCs at Low Seeding Densities

hPSCs plated in mTeSR1 supplemented with CloneR demonstrated significantly increased cloning efficiencies compared to cells plated in mTeSR1 containing ROCK inhibitor (10M Y-27632). Shown are representative images of alkaline phosphatase-stained colonies at day 7 in individual wells of a 12-well plate. H1 human embryonic stem (hES) cells were seeded at clonal density (100 cells/well, 25 cells/cm2) in mTeSR1 supplemented with (A) ROCK inhibitor or (B) CloneR on Vitronectin XF cell culture matrix.

Figure 4. CloneR Yields Larger Single-Cell Derived Colonies

hPSCs seeded in mTeSR1 supplemented with CloneR result in larger colonies than cells seeded in mTeSR1 containing ROCK inhibitor (10M Y-27632). Shown are representative images of hPSC clones established after 7 days of culture in mTeSR1 supplemented with (A) ROCK inhibitor or (B) CloneR.

Figure 5. Clonal Cell Lines Established Using CloneR Display Characteristic hPSC Morphology

Clonal cell lines established using mTeSR1 or TeSR-E8 medium supplemented with CloneR retain the prominent nucleoli and high nuclear-to-cytoplasmic ratio characteristic of hPSCs. Representative images at passage 7 after cloning are shown for clones derived from the parental (A) H1 hES cell and (B) WLS-1C human induced pluripotent stem (iPS) cell lines.

Figure 6. Clonal Cell Lines Established with CloneR Express High Levels of Undifferentiated Cell Markers

hPSC clonal cell lines established using mTeSR1 supplemented with CloneR express comparable levels of undifferentiated cell markers, OCT4 (Catalog #60093) and TRA-1-60 (Catalog #60064), as the parental cell lines. (A) Clonal cell lines established from parental H1 hES cell line. (B) Clonal cell lines established from parental WLS-1C hiPS cell line. Data is presented between passages 5 - 7 after cloning and is shown as mean SEM; n = 2.

Figure 7. Clonal Cell Lines Established Using CloneR Display a Normal Karyotype

Representative karyograms of clones derived from parental (A) H1 hES cell and (B) WLS-1C hiPS cell lines demonstrate that the clonal lines established with CloneR have a normal karyotype. Cells were karyotyped 5 passages after cloning, with an overall passage number of 45 and 39, respectively.

Figure 8. Clonal Cell Lines Established Using CloneR Display Normal Growth Rates

Fold expansion of clonal cell lines display similar growth rates to parental cell lines. Shown are clones (red) and parental cell lines (gray) for (A) H1 hES cell and (B) WLS-1C hiPS cell lines.

STEMCELL TECHNOLOGIES INC.S QUALITY MANAGEMENT SYSTEM IS CERTIFIED TO ISO 13485. PRODUCTS ARE FOR RESEARCH USE ONLY AND NOT INTENDED FOR HUMAN OR ANIMAL DIAGNOSTIC OR THERAPEUTIC USES UNLESS OTHERWISE STATED.