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  2. Tetramer assay - Wikipedia

    en.wikipedia.org/wiki/Tetramer_assay

    The tetramers are labeled with a fluorophore, allowing tetramer-bound T-cells to be analyzed with flow cytometry. [4] Quantification and sorting of T-cells by flow cytometry enables researchers to investigate immune response to viral infection and vaccine administration as well as functionality of antigen-specific T-cells. [5]

  3. Flow cytometry - Wikipedia

    en.wikipedia.org/wiki/Flow_cytometry

    Cell viability: Flow cytometry can be used as a cell viability assay by utilizing fluorescent dyes or markers that distinguish between live and dead cells. This parameter is critical in determining cell health and response to experimental or therapeutic settings. Viability of the cells in flow cytometry should be around 95% but not less than 90 ...

  4. Terminal deoxynucleotidyl transferase - Wikipedia

    en.wikipedia.org/wiki/Terminal_deoxynucleotidyl...

    In immunohistochemistry and flow cytometry, antibodies to TdT can be used to demonstrate the presence of immature T and B cells and pluripotent hematopoietic stem cells, which possess the antigen, while mature lymphoid cells are always TdT-negative. While TdT-positive cells are found in small numbers in healthy lymph nodes and tonsils, the ...

  5. Flow cytometry bioinformatics - Wikipedia

    en.wikipedia.org/wiki/Flow_cytometry_bioinformatics

    Flow cytometry bioinformatics requires extensive use of and contributes to the development of techniques from computational statistics and machine learning. Flow cytometry and related methods allow the quantification of multiple independent biomarkers on large numbers of single cells. The rapid growth in the multidimensionality and throughput ...

  6. TUNEL assay - Wikipedia

    en.wikipedia.org/wiki/TUNEL_assay

    The fluorochrome-based TUNEL assay applicable for flow cytometry, combining the detection of DNA strand breaks with respect to the cell cycle-phase position, was originally developed by Gorczyca et al. [4] Concurrently, the avidin-peroxidase labeling assay applicable for light absorption microscope was described by Gavrieli et al. [5] Since 1992 the TUNEL has become one of the main methods for ...

  7. Naive T cell - Wikipedia

    en.wikipedia.org/wiki/Naive_T_cell

    In turn, this results in the T cell acquiring an activated phenotype seen by the up-regulation of surface markers CD25 +, CD44 +, CD62L low, CD69 + and may further differentiate into a memory T cell. Having adequate numbers of naive T cells is essential for the immune system to continuously respond to unfamiliar pathogens.

  8. Immunostaining - Wikipedia

    en.wikipedia.org/wiki/Immunostaining

    Cells are immunostained in solution using methods similar to those used for immunofluorescence, and then analysed by flow cytometry. [citation needed] Flow cytometry has several advantages over IHC including: the ability to define distinct cell populations by their size and granularity; the capacity to gate out dead cells; improved sensitivity ...

  9. CD23 - Wikipedia

    en.wikipedia.org/wiki/CD23

    In flow cytometry, CD23 is helpful in the differentiation of chronic lymphocytic leukemia (CD23-positive) from mantle cell lymphoma (CD23-negative). [9] CD23 can also be demonstrated in germinal centre follicular dendritic cells using immunohistochemistry but is minimally expressed by benign germinal center B cells. In contrast to neoplastic ...

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