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HemEx-Type9A : Serum-free medium with PVA for mouse Hematopoietic Stem Cells

Date:September 06 2019Web Page No:81365

Cell Science & Technology Institute, Inc.

The World's first medium for mouse Hematopoietic Stem Cells
for maintaining undifferentiated state by Polyvinyl Alcohol (PVA)
HemEx-Type 9A

HemEx-TypeA is a serum-free media, which contains Polyvinyl Alcohol (PVA) and can be used for mouse Hematopoietic Stem Cells (HSCs).

In general, culture media for HSCs contains serum albumin. Such albumin is required to induce cell division of HSCs. On the other hand, albumin inhibits stable undifferentiated state.

Widely used purified or recombinant albumin contains small amount of contaminants, but are tough to remove.
It is reported that such contaminants induce differentiation of HSCs. Moreover, protein's oxidation reaction induces cellular senescence. Thefore, albumin needs to be replaced by other chemicals.

Dr. Satoshi Yamazaki at The Institute of Medical Science, The University of Tokyo reported that PVA can replace albumin (1). Moreover, PVA is a stable chemical with no oxidation reaction in medium so aging of HSCs are also suppressed. These advantages help to do expansion culture of HSCs while maintaining undifferentiated state.


  • Optimized for the expansion of mouse HSCs, Hematopoietic Stem and Progenitor Cell (HSPCs) obtained from bone marrow.
  • Can do expansion culture of HSCs, for more than 1 month in undifferentiated state.
  • PVA is used instead of albumin.

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Please see the paper of Nature, 571, 117 - 121 (2019).
Note : For culture, addition of cytokine is required.

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Fig. 1 Flow cytometry analysis of HSCs
HSCs were cultured with HemEx (contains 10 ug/ml of SCF and 100 ug/ml of TPO) for 7 days in 96 well U-bottom culture plate. Lin-/Sca-1+/c-Kit+ is defined as undifferentiated mouse HSPCs in this data.

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Product Information

[Date : January 23 2020 23:35]

Detail Product Name Product Code Supplier Size Price
87-476 KSKCell Science & Technology Institute, Inc. 100 ml $185

Storage 4°C CAS

[Date : January 23 2020 23:35]


  • Product Code: 87-476
  • Supplier: KSK
  • Size: 100ml
  • Price: $185

Storage 4°C CAS

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