Functional heterogeneity of memory CD4 T cell responses in different conditions of antigen exposure and persistence

A Harari, F Vallelian, PR Meylan… - The Journal of …, 2005 - journals.aai.org
… Memory CD4 T cell responses are functionally and phenotypically … T cell responses were
analyzed in different models of Ag-specific immune responses differing on Ag exposure and/or …

Dynamic Antigen-specific T-Cell Responses after Point-Source Exposure to Mycobacterium tuberculosis

K Ewer, KA Millington, JJ Deeks, L Alvarez… - American journal of …, 2006 - atsjournals.org
… central memory T cells (6–9). We focused on responses to two secreted antigens encoded by
the … of effector T-cell responses in recently exposed contacts; second, to compare effector T-…

[HTML][HTML] B cell responses: cell interaction dynamics and decisions

JG Cyster, CDC Allen - Cell, 2019 - cell.com
… understanding of how B cell responses are initiated; the … -lived plasma cells, germinal center
cells, and memory cells; and … how B cells travel throughout the body surveying for antigen, …

How chronic viral infections impact on antigen‐specific T‐cell responses

H Frebel, K Richter, A Oxenius - European journal of …, 2010 - Wiley Online Library
… -specific T-cell responses are shown on the left side of the figure (shaded in blue) whereas
those impacting on T-cell dysfunction or deletion of virus-specific T-cell responses are shown …

Antigen presentation by dendritic cells and their instruction of CD4+ T helper cell responses

KL Hilligan, F Ronchese - Cellular & molecular immunology, 2020 - nature.com
… Dendritic cells are powerful antigen-presenting cells that are essential for the priming of T
cell responses. In addition to providing T-cell-receptor ligands and co-stimulatory molecules …

Antigen persistence is required throughout the expansion phase of a CD4+ T cell response

R Obst, HM van Santen, D Mathis… - The Journal of …, 2005 - rupress.org
… To study the influence of antigen dose and persistence on CD4 + T cell responses in vivo,
we generated double transgenic mice expressing an antigenic peptide from moth cytochrome …

An inverse relationship between T cell receptor affinity and antigen dose during CD4+ T cell responses in vivo and in vitro

W Rees, J Bender, TK Teague… - Proceedings of the …, 1999 - National Acad Sciences
… T cells during both primary and secondary immune responses. Our results show that with
repeated or prolonged exposure to antigen, limiting doses of antigen select for T cells with …

Stressor exposure produces long-term reductions in antigen-specific T and B cell responses

LS Gazda, T Smith, LR Watkins, SF Maier, M Fleshner - Stress, 2003 - Taylor & Francis
cell response by targeting the antigen to a draining lymph node. And finally, we tested the
effect of IS on this antigen specific T cell response. … -specific T cells, resulting in less T cell help …

Sustained antigen presentation can promote an immunogenic T cell response, like dendritic cell activation

R Obst, HM van Santen, R Melamed… - Proceedings of the …, 2007 - National Acad Sciences
… Our results also suggest that time-controlled antigen exposure may be a means for vaccine
optimization and therapeutic tolerance induction. In that sense the present results hark back …

Influenza A antigen exposure selects dominant Vβ17+ TCR in human CD8+ cytotoxic T cell responses

TM Lawson, S Man, S Williams… - International …, 2001 - academic.oup.com
… + T cell response following primary or repeated viral infection. Maturation of B cell responses
to antigenantigen-driven selection for cells expressing receptors with the highest affinity for …