How Many Cells Are in a Leukopak?

Our leukapheresis products typically contain 5 to 20 billion white blood cells, depending on the volume of blood processed from the donor during leukapheresis. In addition to white blood cells, our leukopaks also contain plasma, some platelets, and very few red blood cells.

The table below explains the typical cell count you can expect based on the volume of blood processed during collection.

How Many Cells Are in a Leukopak?

Blood Volume ProcessedApprox. Final Product VolumeApprox. White Blood Cell Count
5 Liters100mL 5 billion
7.5 Liters100mL 7.5 billion
10 Liters200mL10 billion
12.5 Liters200mL15 billion
15 Liters200mL20 billion

Leukopaks typically consist of approximately 50% T cells, 20% monocytes, 10% B cells, 10% natural killer cells, 3% granulocytes, and 3% hematocrit.

Leukapheresis Collection Options

  • Our proprietary protocol for collection of MNCs from normal healthy donors.
  • Our proprietary protocol for collection of MNCs from people with hematologic malignancies.
  • Your IRB-approved protocol for collection from normal subjects or subjects with specific health histories, implemented by adding us as a collection site under your protocol.
  • A custom protocol drafted jointly, with us managing the protocol submission and securing approval.

human blood in leukopak

Leukopak Packaging and Shipping

We typically collect, package, and ship our leukopak products on the same day to ensure you receive a fresh product. In some locations, we can even provide same day shipping.

Our packaging ensures that a temperature between 1°C and 10°C or between 20°C and 24°C is maintained throughout delivery, depending on your specifications.

All leukapheresis products come with comprehensive documentation of donor screening, product collection, and processing to give you full confidence in product purity and performance.

Are Leukopaks Right for You?

High-volume leukopaks may be the best biomaterials for your research or manufacturing need if you are:

  • Using many cells from the same donor
  • Planning to use a large number of cells at one time
  • Conducting late-stage immunology research
  • Developing any cell-based therapy
  • Perfecting cellular therapy manufacturing processes
  • Validating processes and training production staff

 

See All Four of Our Leukapheresis Product Offerings

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