What type of study is this?

This is a In Vitro Study study.

What question did this study set out to answer?

Investigate how trogocytosis affects T cell differentiation into a pre-germinal center TFH phenotype.

November 1, 2025The Journal of ImmunologyOpen Access

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Investigate how trogocytosis affects T cell differentiation into a pre-germinal center TFH phenotype.
Assessed trogocytosis between APCs and T cells using murine bone marrow-derived dendritic cells.
Studied intracellular signaling pathways like phospho-ZAP-70 and phospho-Erk 1/2 in T cells post-APC removal.
Performed adoptive transfer of FACS purified trog+ and trog– T cells into wild type mice.
Trogocytosis positive T cells showed upregulation of Bcl6 and CXCR5.
Cells that underwent trogocytosis developed a pre-GC TFH phenotype in vivo.
Sustained TCR signaling from trogocytosed molecules drives TFH differentiation.

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Experimental results show trogocytosis influences TFH phenotype development in T cells, suggesting a role in lymphocyte differentiation.

Agbakwuru et al. (2025) studied this question.

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