Human Cord Blood | StemExpress

Cord Blood

Cord Blood

Your source for quality fresh and cryopreserved human cells
Human Cord Blood and Primary Cells

StemExpress is a leading supplier of human cord blood and primary cells. StemExpress' cord blood is needle aspirated from the umbilical cord vein into a sterile collection bag containing the anticoagulant citrate phosphate double dextrose (CPD). Cord blood is shipped directly to customers after collection or processed into a specific primary cell population at our GLP regulatory-compliant laboratory.


Popular Cord Blood Products

Your Cells, Your Way!



High Quailty Human Cord Blood Cell Graph


  • Cord blood disease screen (HIV, HBV, and HCV negative)
  • IRB approved consents and protocols


  • Additional infectious disease testing (i.e. CMV)
  • HLA, ABO and RhD typing available
  • Specific donor demographics (i.e. ethnicity)


  • Custom processing procedures available
  • Customizable cell isolations
  • Positive and negative cell isolations
  • Multiple cell types from the same donor
  • Custom vialing sizes and cell counts


  • Custom media and buffer
  • Customizable packaging options
  • Cryo shipping available
  • FedEx®, World Courier®, UPS®
  • Global shipping

Frequently Asked Questions

How many CD34+ cells can I get from a cord?

Each cord is different and the number of CD 34+ cells varies greatly among the individual donors. Typically, 1-4 million CD 34+ cells per cord can be collected. We can provide larger lots upon request.

Can the cord blood be HLA typed?

Yes, upon request.

Have people used cord blood CD34+ cells to humanize mice?

Yes, we have many researchers that use our CD34+ cells to humanize mice.


Takahashi et al. (2018) Enhanced Antibody Responses in a Novel NOG Transgenic Mouse with Restored Lymph Node Organogenesis. Front. Immunol 1(17).

Halkias et al. (2015) Conserved and Divergent Aspects of Human T-cell Development and Migration in Humanized Mice. Immunol Cell Biol 1-11. doi:10.1038/icb.2015.38.

Can cord blood CD34+ stem cells be injected into humans?

NO, our cord blood CD34+ stem cells are for research use only and are not approved by the FDA for use in humans.

Can cord blood be CMV tested?

Yes, upon request.

How to thaw StemExpress primary cells for optimal viability?

How to thaw StemExpress primary cells for optimal viability?

Primary cells are very sensitive to many aspects of the thawing procedure, such as heat, DMSO, agitation, and high centripetal forces. Obtaining high viability after thawing human primary cells can be difficult if not performed quickly and with good laboratory techniques. At StemExpress, our laboratory technicians have years of experience handling and thawing frozen human primary cells and have designed a procedure that will help you obtain the highest viability of your cells. Click Thawing Protocol to access the protocol.

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Got a Question?

Read our FAQs to answer your questions regarding the different types of donations, donor requirements, and our donation process.