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Updated: Aug 12, 2026

Isolation and Activation of Murine Lymphocytes
Published on: October 30, 2016
Shipment impairs lymphocyte proliferative responses to microbial antigens
R A Betensky1, E Connick, J Devers
1Harvard School of Public Health, Boston, Massachusetts, USA.
Insights
Shipping lymphocyte proliferation assays (LPAs) significantly reduces T-lymphocyte function activity. This impacts accuracy for immunodeficiency disorder testing and multicenter trials.
Area of Science:
- Immunology
- Clinical Diagnostics
Background:
- Lymphocyte proliferation assays (LPAs) are crucial for evaluating T-lymphocyte function in immunodeficiency disorders.
- Clinical sites often lack specialized expertise, necessitating specimen shipment to central laboratories.
Purpose of the Study:
- To assess the impact of shipping on the performance and reliability of LPAs.
- To identify potential biases introduced in multicenter studies due to specimen transport.
Main Methods:
- A large-scale, multicenter study was designed to evaluate LPA performance.
- Specimens were shipped from various clinical sites to central laboratories for analysis.
Main Results:
- Significant reductions in LPA activity were observed after specimen shipping.
- Shipping demonstrably affected the reliability of T-lymphocyte function assessment.
Conclusions:
- Specimen shipping can lead to erroneous results in individual patient assessments.
- The observed loss of LPA activity poses a risk of bias in multicenter clinical trials.
Abstract:
Lymphocyte proliferation assays (LPAs) are widely used to assess T-lymphocyte function of patients with human immunodeficiency virus infection and other primary and secondary immunodeficiency disorders. Since these assays require expertise not readily available at all clinical sites, specimens may be shipped to central labs for testing. We conducted a large multicenter study to evaluate the effects of shipping on assay performance and found significant loss of LPA activity. This may lead to erroneous results for individual subjects and introduce bias into multicenter trials.
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