Research Topics
Species | Janko Nikolich-ZugichSummaryAffiliation: University of Arizona Country: USA Publications
Research Grants
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Detail Information
Publications
Age-related changes in CD8 T cell homeostasis and immunity to infectionJanko Nikolich-Zugich
Department of Immunobiology and the Arizona Center on Aging, University of Arizona College of Medicine, Tucson, AZ 85724, United States
Semin Immunol 24:356-64. 2012..We specifically address phenotypic and numeric changes to the naïve CD8 T cell precursor pool, the impact of persistent viral infection(s) and inflammation, and contributions of the aging environment in which these cells are activated...
Immune memory and aging: an infinite or finite resource?Janko Nikolich-Zugich
Department of Immunobiology and the Arizona Center on Aging, University of Arizona College of Medicine, 1656 E Mabel St, Tucson, AZ 85719, USA
Curr Opin Immunol 22:535-40. 2010....
Nonrandom attrition of the naive CD8+ T-cell pool with aging governed by T-cell receptor:pMHC interactionsBrian D Rudd
Department of Immunobiology and the Arizona Center on Aging, University of Arizona College of Medicine, Tucson, AZ 85724, USA
Proc Natl Acad Sci U S A 108:13694-9. 2011....
Age-associated alterations in CD8α+ dendritic cells impair CD8 T-cell expansion in response to an intracellular bacteriumGang Li
Department of Immunobiology and the Arizona Center on Aging, University of Arizona College of Medicine, Tucson, AZ 85724, USA
Aging Cell 11:968-77. 2012..These results suggest that age-associated changes in antigen uptake, pathogen sensing, and/or antigen presentation contribute to impaired adaptive immune responses to microbial pathogens with aging...
Lifelong persistent viral infection alters the naive T cell pool, impairing CD8 T cell immunity in late lifeMegan J Smithey
Department of Immunobiology, University of Arizona College of Medicine, Tucson, AZ 85724, USA
J Immunol 189:5356-66. 2012....
Increased apoptosis, curtailed expansion and incomplete differentiation of CD8+ T cells combine to decrease clearance of L. monocytogenes in old miceMegan J Smithey
Department of Immunobiology and Arizona Center on Aging, University of Arizona College of Medicine, Tucson, AZ 85719, USA
Eur J Immunol 41:1352-64. 2011....
Evolution of the antigen-specific CD8+ TCR repertoire across the life span: evidence for clonal homogenization of the old TCR repertoireBrian D Rudd
Department of Immunobiology, University of Arizona College of Medicine, Tucson, AZ 85724, USA
J Immunol 186:2056-64. 2011..Implications for the rational design of vaccines for neonates and the elderly are discussed...
Functional CD8 T cell memory responding to persistent latent infection is maintained for lifeAnna Lang
Department of Immunobiology and the Arizona Center on Aging, University of Arizona College of Medicine, Tucson, AZ 85724, USA
J Immunol 187:3759-68. 2011..This finding demonstrates that functional effector memory T cells, including those expressing KLRG-1, are maintained and are functional for life, despite the presence of persistent viral infection...
Inflation and long-term maintenance of CD8 T cells responding to a latent herpesvirus depend upon establishment of latency and presence of viral antigensAnna Lang
Department of Immunobiology and Arizona Center on Aging, University of Arizona College of Medicine, Tucson, AZ 85724, USA
J Immunol 183:8077-87. 2009..Moreover, results with antiviral drugs suggest that this approach could be considered as a treatment modality for maintaining T cell diversity and/or function in old age...
Repeated in vivo stimulation of T and B cell responses in old mice generates protective immunity against lethal West Nile virus encephalitisJennifer L Uhrlaub
Department of Immunobiology, College of Medicine, University of Arizona, Tucson, AZ 85719, USA
J Immunol 186:3882-91. 2011....
Diversity of the CD8+ T cell repertoire elicited against an immunodominant epitope does not depend on the context of infectionBrian D Rudd
Department of Immunobiology and the Arizona Center on Aging, University of Arizona College of Medicine, Tucson, AZ 85724, USA
J Immunol 184:2958-65. 2010....
Ageing and life-long maintenance of T-cell subsets in the face of latent persistent infectionsJanko Nikolich-Zugich
Department of Immunobiology and the Arizona Center on Aging, University of Arizona, Tucson, Arizona 85724, USA
Nat Rev Immunol 8:512-22. 2008..In this Review, I question whether latent persistent pathogens might be key factors that drive this imbalance and whether they determine the extent of age-associated immune deficiency...
Research Grants
- Critical determinants of CD8+ T-cell-mediated protectionJanko Nikolich Zugich; Fiscal Year: 2009..abstract_text> ..
- T Cell Homeostasis and Function in Immune SenescenceJanko Nikolich Zugich; Fiscal Year: 2010....
- T Cell Homeostasis and Function in Immune SenescenceJanko Nikolich Zugich; Fiscal Year: 2005..The studies should elucidate the mechanisms behind generation and maintenance of TCE and further clarify the impact of TCE on the senescent immune system. ..
- TCR--PEPTIDE--MHC INTERACTION IN T CELL CROSSREACTIVITYJanko Nikolich Zugich; Fiscal Year: 2004..2. To determine the x-ray structures of the monospecific and crossreactive TCRs with the appropriate pep:MHC complexes, and use site-directed mutagenesis to definitively dissect crossreactive recognition. ..
- MECHANISMS OF REDUCED T-CELL IMMUNITY IN OLDER ADULTSJanko Nikolich Zugich; Fiscal Year: 2010....
