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Qk513 kit

Endoderm differentiation kit (Qk513)

For validating the ability of new or established induced pluripotent stem cell (iPSC) lines to differentiate into the endoderm lineage.

The endoderm differentiation kit is designed to validate the differentiation potential of both newly derived and established iPSC lines. This kit enables the evaluation of the ability of iPSCs to differentiate into the endoderm linage, one of the three primary germ layers responsible for forming the respiratory and digestive systems, as well as organs such as the liver, pancreas, and intestines.

The kit includes carefully optimized growth factors and extracellular matrix required to efficiently guide iPSCs toward the endoderm lineage. It serves as both an endpoint assay, confirming pluripotency and lineage commitment, and a platform for generating endoderm-derived cells for further downstream applications.

Each kit is sufficient for differentiation of 5x 96 well plates.

Fast and free worldwide shipping.
Orders are typically shipped same or next day (except Friday).

Original price was: $895.00.Current price is: $525.00.

Buy online with secure credit card or purchase order. You can also place your order by email orders@qkine.com

Kit contents

  • Human activin A – Qk001 – 25 µg
    Frequently used to maintain pluripotency in induced pluripotent and embryonic stem cell cultures. It is also used in many stem cell differentiation protocols, including endoderm lineage differentiation and further maturation into hepatocyte and pancreatic cells. 

  • Human BMP-4 – Qk038 – 25 µg
    A key regulator of embryogenesis and supports the differentiation of embryonic stem cells and induced pluripotent stem cells.

  • Human FGF2-G3 (154 aa) – Qk053 – 50 µg
    A thermostable engineered form of human FGF-2. Human FGF2-G3 154 aa is the 154 aa mature domain of FGF-2. The functional half-life has increased from <10 h (wild-type) to >7 days (FGF2-G3).

  • Human vitronectin – Qk120 – 500 µg
    Provides a defined environment that supports the maintenance of pluripotency and is suitable for feeder-free culture, expansion, differentiation, and reprogramming of stem cells.

Quality features

  • Highly pure >98%, by SDS-PAGE quantitative densitometry

  • Highly bioactive – come with our Bioactivity Guarantee

  • Source: Expressed in E. coli 

  • Animal origin-free (AOF) and carrier protein-free

  • Manufactured in Cambridge, UK

  • Lyophilized

Quality assays

  • Mass spectrometry, single species with the expected mass

  • Endotoxin: <0.005 EU/μg protein (below the level of detection)

  • Recovery from stock vial: >95%

Background

Human induced pluripotent stem cells (iPSCs) are an in vitro model that represent a pivotal breakthrough in regenerative medicine and cellular biology. iPSCs are generated by reprogramming adult somatic cells to a pluripotent state through the introduction of specific transcription factors. Reprogramming iPSCs grants these cells the ability to differentiate into any cell type of the three germ layers: ectoderm, mesoderm, and endoderm. This provides unparalleled potential for disease modeling, drug discovery, and cell-based therapies, all without the ethical concerns associated with using embryonic stem cells [1].
Differentiating iPSCs into endodermal linage cells is particularly important due to the critical roles endodermal derivatives play in human physiology. The endoderm layer forms essential organs like the liver, pancreas, lungs, and the lining of the gastrointestinal tract [2]. Understanding the differentiation process of iPSCs into endodermal cells offers promise for developing treatments for a variety of conditions, including liver diseases, diabetes, and cystic fibrosis, as well as for generating organoids for research and transplantation purposes.

The differentiation process of iPSCs into endodermal cells typically involves mimicking the stages of embryonic development in vitro. During embryogenesis, endoderm formation is initiated by a series of signaling pathways that include nodal, Wnt, and activin/nodal, which are essential for mesendoderm specification and subsequent DE development [3,4]. To mimic these conditions in a controlled laboratory environment, researchers utilize specific growth factors and small molecules to guide iPSCs through comparable developmental signals.

The successful differentiation of iPSCs into endodermal cells comes with its challenges. Variability within iPSC lines, differentiation efficiencies, and the potential for incomplete or mixed lineage differentiation are significant obstacles that researchers continue to tackle. Evaluating success involves examining the expression of markers such as SRY-box transcription factor 17 (SOX17) and transcription factor GATA4 [5].

[1] Varum, S. et al. Energy Metabolism in Human pluripotent stem cells and their differentiated counterparts. PLoS ONE. 2011;6(6):e20914. doi: 10.1371/journal.pone.0020914

[2] Zorn, A. M. et al. Vertebrate Endoderm Development and Organ Formation. Annual review of cell and development biology 2009:25:221-51. doi: 10.1146/annurev.cellbio.042308.113344

[3] Fang, Y. et al. Metabolic and Epigenetic Regulation of Endoderm Differentiation. Trends in Cell biology 2022 Feb;32(2):151-164. doi: 10.1016/j.tcb.2021.09.002

[4] Ikonomou, L. et al. Derivation of endodermal progenitors from pluripotent stem cells. Journal of Cellular Physiology. 2015 Feb;230(2):246-58 doi: 10.1002/jcp.24771

[5] McLean, A. B. et al. Activin A Efficiently Specifies Definitive Endoderm from Human Embryonic Stem Cells Only When Phosphatidylinositol 3-Kinase Signaling Is Suppressed. Stem Cells. Jan;25(1):29-38. doi: 10.1634/stemcells.2006-0219

Additional information

Qkine is committed to manufacturing bioactive proteins of the highest quality to enhance scientific outcomes and improve reproducibility. To ensure absolute reproducibility and optimize scientific outcomes, all our products rigorously adhere to the Nine-point Qkine Quality Commitment.

Qkine products are intended solely for research purposes and ex vivo cell manufacturing. Not for therapeutic or diagnostic use.
Discovery kits are only available on orders direct from Qkine. Distributors and resellers of Qkine products are not eligible. This product is not for resale.
No additional discount promotion can be applied to the price of the Discovery Kit. Other restrictions may apply.
If you have any questions relating to this product, please email customerservice@qkine.com.

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