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Preparation and Use of HIV-1 Infected Primary CD4+ T-Cells as Target Cells in Natural Killer Cell Cytotoxic Assays
12:07

Preparation and Use of HIV-1 Infected Primary CD4+ T-Cells as Target Cells in Natural Killer Cell Cytotoxic Assays

Published on: March 14, 2011

Analysis of NK Cell Function and Receptor Expression During HTLV-1 and HTLV-2 Infection

Federica Bozzano1, Francesco Marras1, Andrea De Maria2

  • 1Molecular Immunology, University of Genova, Viale Benedetto XV 9, 16132, Genoa, Italy.

Methods in Molecular Biology (Clifton, N.J.)
|March 31, 2017
PubMed

Insights

This study details flow cytometry protocols for analyzing Natural Killer (NK) cell phenotype and function in patients with Human T-lymphotropic virus (HTLV-1/2) infection. New methods assess NK cell cytotoxicity and Interferon-gamma (IFNγ) production.

Area of Science:

  • Immunology
  • Cell Biology
  • Virology

Background:

  • Natural Killer (NK) cells are crucial for immune surveillance.
  • Human T-lymphotropic virus type 1/2 (HTLV-1/2) infection impacts immune cell function.
  • Evaluating NK cell phenotype and function is vital in infectious diseases.

Purpose of the Study:

  • To describe standardized cytofluorimetric protocols for NK cell analysis.
  • To assess NK cell phenotype, function, and cytotoxicity in HTLV-1/2 infected individuals.
  • To introduce a novel method for evaluating Interferon-gamma (IFNγ) production by NK cells.

Main Methods:

  • Cytofluorimetric analysis (flow cytometry) was employed.
  • Protocols were developed for fresh and sorted NK cells (immune-magnetic or flow cytometry sorting).
  • Assays included phenotyping, cytotoxicity, and IFNγ production evaluation.

Main Results:

  • Established protocols for comprehensive NK cell analysis.
  • Demonstrated feasibility of assessing NK cell function in HTLV-1/2 contexts.
  • Included a validated method for IFNγ quantification.

Conclusions:

  • Standardized flow cytometry protocols enhance NK cell research in immunology.
  • These methods facilitate the study of NK cell dysfunction in HTLV-1/2 infection.
  • The IFNγ assay provides a valuable tool for functional immunological assessments.

Keywords:
HTLV-1HTLV-2Inhibitory receptorsNKNK cell functional analysis

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