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Related Experiment Videos

Isolation Methods of Peripheral Blood Mononuclear Cells in Spanish Biobanks: An Overview.

Irene Consuegra1, Clara Rodríguez-Aierbe2, Inés Santiuste3

  • 11 Spanish HIV HGM BioBank, Hospital General Universitario Gregorio Marañón , Instituto de Investigación Sanitaria Gregorio Marañón, Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Madrid, Spain .

Biopreservation and Biobanking
|April 12, 2017
PubMed
Summary

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The Spanish Hematic Derivatives Group optimized a standard operating procedure for freezing and thawing peripheral blood mononuclear cells (PBMCs). This protocol enhances PBMC viability and reduces variability across biobanks.

Area of Science:

  • Biotechnology
  • Cell Biology
  • Hematology

Background:

  • The Spanish Hematic Derivatives Group, established in 2011, comprises 26 biobanks.
  • Standardized cryopreservation of biological samples is crucial for research reproducibility.

Purpose of the Study:

  • To present the viability results of a publicly available standard operating procedure (SOP) for freezing and thawing peripheral blood mononuclear cells (PBMCs).
  • To optimize PBMC cryopreservation to maximize cell viability and minimize inter- and intra-biobank variability.

Main Methods:

  • Development and validation of a standard operating procedure for the cryopreservation of PBMCs.
  • Assessment of PBMC viability post-thawing using established laboratory assays.
  • Analysis of assay variability across different biobanks within the group.
Keywords:
PBMCsSOPbiobankscryopreservationfunctionality

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Main Results:

  • The described SOP effectively maximizes the viability of PBMCs after freezing and thawing.
  • The protocol demonstrates a reduction in assay variability between and within participating biobanks.
  • Successful implementation of the SOP across 26 diverse biobanks.

Conclusions:

  • The standardized SOP for PBMC cryopreservation is effective in maintaining high cell viability.
  • This protocol contributes to improved consistency and reliability of PBMC sample handling in biobanking.
  • The findings support the adoption of this SOP for enhancing research quality and data integrity in hematology and related fields.