Mobilized Peripheral Blood Leukopaks_1

Mobilized Peripheral Blood Leukopaks®

Human Mobilized Peripheral Blood Leukopaks are collected from healthy IRB consented donors that are injected with Granulocyte-Colony Stimulating Factor (G-CSF aka Neupogen®) or a combination of Plerixafor (aka Mozobil®) and G-CSF, which increases circulating leukocytes and stimulates the bone marrow to produce a large number of hematopoietic and progenitor stem cells and mobilizes these cells into the bloodstream, allowing for enriched CD34+ hematopoietic stem cells from a single donor as compared to traditional Leukopaks. Collecting CD34+ stem cells from a single donor eliminates donor-to-donor variation, allows scalability of stem cell studies, and decreases same cell variability. Mobilized Leukopaks are ideal for stem cell studies relating to regenerative medicine, immunotherapy, and transplant therapy.

High-Quality Mobilized Leukopaks

Representative flow panel of fresh G-CSF Mobilized Leukopak®

Figure 1. Representative flow panel of fresh G-CSF Mobilized Leukopak. Enriched PBMC population with low granulocytes (20.76%), high viability (97.65%), and a high percentage of CD34+ cells (1.68%).


  • 2x1010 TNCs/full bag
  • Enriched CD34+ cells
  • Highly-enriched PBMCs
  • ≥90% viability
  • IRB approved
  • HBV, HCV, and HIV negative

Click G-CSF + Plerixafor Mobilized Leukopaks or G-CSF Mobilized Leukopaks to purchase your Mobilized Leukopak today!

We Provide Only the Best

StemExpress is a life-science company dedicated to advancing science in order to aid in the development of treatments and cures for human diseases. We are proud to support medical research by providing the highest-quality fresh Leukopaks and Mobilized Leukopaks.

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