Human Tissue and Primary Cells

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StemExpress is a life-science company dedicated to supporting researchers and clinicians globally by offering high-quality human tissues and primary cells from bone marrow, cord blood, peripheral blood (healthy or diseased), mobilized peripheral blood, and maternal blood. Samples are collected from our strategically located Stem Cell Collection Centers or within our vast network of partnering hospitals by our procurement staff. Whole samples are sent directly to our clients or quickly processed to a primary cell population at one of our on-site GLP regulatory-compliant laboratories. We streamline the entire workflow, from donor recruitment all the way to shipping the final product, guaranteeing every sample arrives with the highest purity, viability, and quality researchers and clinicians need to ensure confidence in their results.

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Our goal is to provide high-quality products that enable you to easily navigate barriers, enhance quality, and drive success in your research and clinical projects.

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Product Categories

Explore our extensive portfolio of human tissues and primary cells by clicking on one of the product categories listed.


StemExpress is a Contract Research Organization (CRO) that provides research and support services to pharmaceutical, biotechnological, and healthcare companies in their nonclinical and early phase stages, preclinical studies, and ongoing clinical trials. Read more about our Bioservices.

Stem Cell Collection Centers

StemExpress has a national footprint of our very own Stem Cell Collection Centers. Our multi-city collection centers allow access to an extensive pool of recallable and repeat donors providing stress-free access to fresh biospecimens.

Don’t See What You Are Looking For?

We provide Custom Orders, whether you are looking for certain donor requirements, specific primary cells, or detailed shipping instructions, we can accommodate your needs. Call 530-626-7000 or Contact Us for more information. Let StemExpress provide you with Your Cells, Your Way.

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What Makes Us Different

We are the direct supplier of all the products we carry, from procuring whole tissue to the isolation of primary cells, no middleman involved.

  • Large assortment of products
  • Customizable products
  • Recallable and repeat donors
  • Robust and diverse donor pool
  • Same day delivery in select cities
  • Streamlined process from collection through delivery
  • Follow cGMP guidelines
  • Quality assurance
  • World-class customer service

High-Quality Biospecimens

Representative data of our CD34+ stem/progenitor cells isolated from human bone marrow.[/vc_column_text][vc_single_image image=”6872″ img_size=”medium” css=”.vc_custom_1538504792429{padding-left: 50px !important;}”][/vc_column][/vc_row][vc_row][vc_column][vc_separator][/vc_column][/vc_row][vc_row][vc_column][vc_custom_heading text=”Frequently Asked Questions” font_container=”tag:h1|text_align:center|color:%2305b4ed” use_theme_fonts=”yes”][vc_toggle title=”What does StemExpress do?”]

  • Procures healthy and diseased human tissue and blood
  • Isolates cells
  • Processes whole blood (umbilical cord, adult peripheral, and maternal)
  • Cultures selected cell types
  • Isolates DNA and RNA
  • Conducts immunophenotyping using flow cytometry

[/vc_toggle][vc_toggle title=”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.[/vc_toggle][vc_toggle title=”How does StemExpress process samples?”]Under aseptic conditions in Class II, laminar-flow hoods.[/vc_toggle][vc_toggle title=”Does StemExpress offer custom or specialty services?”]Yes. StemExpress works with researchers to meet the specific needs of their work.[/vc_toggle][vc_toggle title=”Where can StemExpress ship products?”]All over the world. We have a variety of shipping methods to meet your needs. Please inquire for more information.[/vc_toggle][vc_toggle title=”What kind of demographic information is attached to specimens?”]StemExpress is serious about donor confidentiality, and we strictly observe HIPAA regulations. Personal identifying information is removed from all samples and replaced with a nonspecific numeric identifier.

If a study requires demographic information, we can provide researchers general identifiers like age, gender and a minimal health history.[/vc_toggle][/vc_column][/vc_row][vc_row][vc_column][vc_column_text]