Peripheral Blood Mononuclear Cells, Frozen
Peripheral blood mononuclear cells are separated from peripheral blood by apheresis. PBMCs are screened for the expression CD45 and checked for viability using flow cytometry. This highly pure population of cells makes them ideal for further isolations of specific cell types within the PBMC fraction.
Cells were obtained using Institutional Review Board (IRB) approved consent forms and protocols.
Since our founding in 2010, CGT Global has pursued our mission to transform healthcare as we accelerate cell and gene therapy research and clinical trials, streamline the commercialization of new treatments, and map the last mile to patient access to these life-changing remedies. By innovating each stage in the cycle; development, commercialization, and delivery, we reduce the overall cost of the care and multiply access points so that millions can receive cutting edge, life-saving gene and cell therapies.
Description
Peripheral blood mononuclear cells (PBMCs) are composed of lymphocytes (T cells, B cells, and NK cells), monocytes, dendritic cells, and stem/progenitor cells. These cells are critical components of the immune system and play key roles in the humoral and cell-mediated immune responses. PBMCs are commonly used in research and clinical applications in the areas of immunology, infectious disease, hematological malignancies, vaccine development, transplant therapy, and high-throughput screening.
Additional information
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Used in Research
Selected publications and protocols showing PBMC use in immunology and cell therapy workflows, including examples where PBMCs were purchased directly from StemExpress or isolated from StemExpress sourced starting material.
IVS of healthy donor PBMCs
Bio-protocol · 2025
Protocol describing in vitro stimulation workflows using healthy donor PBMCs in either fresh or cryopreserved format.
“HLA-A*02:01:01+ PBMCs were purchased from StemExpress…”
Direct StemExpress PBMC citation
CD47 and PD-L1 overexpression in proliferating human hepatocytes promotes immune tolerance
American Journal of Transplantation · 2022
Study using human PBMCs in a T cell assay to evaluate immune tolerance related responses.
“Human PBMCs were purchased from StemExpress…”
Direct StemExpress PBMC citation
Technical considerations and strategies for generating humanized immune system models
Computational and Structural Biotechnology Journal · 2024
PBMCs were used to develop and optimize humanized immune system models.
“Cryopreserved PBMCs were purchased from StemExpress…”
Direct StemExpress PBMC citation
PBMC-based immune response modulation in cancer research
Cancer Biology & Therapy · 2025
PBMCs were used to evaluate immune response modulation and therapeutic targeting strategies in cancer models.
PBMC · Immunotherapy
PBMC-driven immune signaling and functional analysis
Research Study (PDF)
PBMCs were used to analyze immune signaling pathways and cellular response mechanisms.
PBMC · Immune Signaling
Automated generation of immature dendritic cells
Journal of Immunological Methods · 2018
Whole blood purchased from StemExpress was processed to isolate PBMCs for dendritic cell generation.
“Whole blood… was purchased from StemExpress… PBMCs were extracted…”
PBMCs from whole blood
Dendritic cell mimicking scaffolds for T cell expansion
Materials Today Bio · 2022
PBMCs were enriched from leukopaks sourced from StemExpress for T cell expansion studies.
“Leukopak purchased from StemExpress… PBMCs were enriched…”
PBMCs from leukopak



