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Related Experiment Videos

[Determination of LD7a structures on human lymphocytes].

N Genetet, J Oger, R Dejour

    Comptes Rendus Des Seances De La Societe De Biologie Et De Ses Filiales
    |January 1, 1975
    PubMed
    Summary

    This study introduces a method for typing Lymphocyte Defined (LD) determinants using non-stimulated human lymphocytes. The technique was successfully applied to identify the LD7a determinant in multiple sclerosis patients and controls.

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    Neurology·2011

    Area of Science:

    • Immunogenetics
    • Cellular immunology

    Context:

    • Mixed lymphocyte culture (MLC) is a standard immunological assay.
    • Accurate typing of Lymphocyte Defined (LD) determinants is crucial for transplantation and disease association studies.

    Purpose:

    • To develop and validate a cryopreservation technique for human lymphocytes used in MLC.
    • To establish a reliable method for LD determinant typing by assessing DNA synthesis.
    • To investigate the prevalence of the LD7a determinant in multiple sclerosis (MS) patients.

    Summary:

    • A novel technique for LD determinant typing was developed, leveraging the non-stimulation of DNA synthesis in one-way mixed lymphocyte cultures.
    • The described cryopreservation procedure ensures the viability and functionality of lymphocytes for subsequent typing.
    • The study successfully typed 24 healthy controls and 26 MS patients for the LD7a determinant, demonstrating the method's applicability.

    Impact:

    • Provides a reproducible method for LD determinant typing, potentially improving HLA matching in organ transplantation.
    • Facilitates further research into the genetic associations of LD determinants with diseases like multiple sclerosis.
    • The cryopreservation technique enhances the logistical feasibility of large-scale immunological studies.

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