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  1. Article ; Online: The gene regulatory basis of bystander activation in CD8

    Watson, Neva B / Patel, Ravi K / Kean, Connor / Veazey, Janelle / Oyesola, Oyebola O / Laniewski, Nathan / Grenier, Jennifer K / Wang, Jocelyn / Tabilas, Cybelle / Yee Mon, Kristel J / McNairn, Adrian J / Peng, Seth A / Wesnak, Samantha P / Nzingha, Kito / Davenport, Miles P / Tait Wojno, Elia D / Scheible, Kristin M / Smith, Norah L / Grimson, Andrew /
    Rudd, Brian D

    Science immunology

    2024  Volume 9, Issue 92, Page(s) eadf8776

    Abstract: ... ...

    Abstract CD8
    MeSH term(s) Humans ; Adult ; Mice ; Animals ; CD8-Positive T-Lymphocytes ; Immunity, Innate ; Cytokines ; T-Lymphocyte Subsets ; Antigens
    Chemical Substances Cytokines ; Antigens
    Language English
    Publishing date 2024-02-23
    Publishing country United States
    Document type Journal Article
    ISSN 2470-9468
    ISSN (online) 2470-9468
    DOI 10.1126/sciimmunol.adf8776
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Epigenetic scarring of exhausted T cells hinders memory differentiation upon eliminating chronic antigenic stimulation.

    Abdel-Hakeem, Mohamed S / Manne, Sasikanth / Beltra, Jean-Christophe / Stelekati, Erietta / Chen, Zeyu / Nzingha, Kito / Ali, Mohammed-Alkhatim / Johnson, John L / Giles, Josephine R / Mathew, Divij / Greenplate, Allison R / Vahedi, Golnaz / Wherry, E John

    Nature immunology

    2021  Volume 22, Issue 8, Page(s) 1008–1019

    Abstract: Exhausted CD8 T cells ( ... ...

    Abstract Exhausted CD8 T cells (T
    MeSH term(s) Animals ; Antigens, Viral/immunology ; CD8-Positive T-Lymphocytes/cytology ; CD8-Positive T-Lymphocytes/immunology ; CD8-Positive T-Lymphocytes/pathology ; Cell Differentiation/immunology ; Cell Line ; Chlorocebus aethiops ; Cricetinae ; Epigenesis, Genetic/genetics ; Female ; Hepatocyte Nuclear Factor 1-alpha/metabolism ; Immunologic Memory/immunology ; Lymphocytic Choriomeningitis/immunology ; Lymphocytic choriomeningitis virus/immunology ; Mice ; Mice, Inbred C57BL ; Mice, Transgenic ; Transcription, Genetic/genetics ; Vero Cells
    Chemical Substances Antigens, Viral ; Hepatocyte Nuclear Factor 1-alpha ; Hnf1a protein, mouse
    Language English
    Publishing date 2021-07-26
    Publishing country United States
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
    ZDB-ID 2016987-5
    ISSN 1529-2916 ; 1529-2908
    ISSN (online) 1529-2916
    ISSN 1529-2908
    DOI 10.1038/s41590-021-00975-5
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Author Correction: Epigenetic scarring of exhausted T cells hinders memory differentiation upon eliminating chronic antigenic stimulation.

    Abdel-Hakeem, Mohamed S / Manne, Sasikanth / Beltra, Jean-Christophe / Stelekati, Erietta / Chen, Zeyu / Nzingha, Kito / Ali, Mohammed-Alkhatim / Johnson, John L / Giles, Josephine R / Mathew, Divij / Greenplate, Allison R / Vahedi, Golnaz / Wherry, E John

    Nature immunology

    2021  Volume 22, Issue 11, Page(s) 1465

    Language English
    Publishing date 2021-09-29
    Publishing country United States
    Document type Published Erratum
    ZDB-ID 2016987-5
    ISSN 1529-2916 ; 1529-2908
    ISSN (online) 1529-2916
    ISSN 1529-2908
    DOI 10.1038/s41590-021-01057-2
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: MicroRNA-29a attenuates CD8 T cell exhaustion and induces memory-like CD8 T cells during chronic infection.

    Stelekati, Erietta / Cai, Zhangying / Manne, Sasikanth / Chen, Zeyu / Beltra, Jean-Christophe / Buchness, Lance Alec / Leng, Xuebing / Ristin, Svetlana / Nzingha, Kito / Ekshyyan, Viktoriya / Niavi, Christina / Abdel-Hakeem, Mohamed S / Ali, Mohammed-Alkhatim / Drury, Sydney / Lau, Chi Wai / Gao, Zhen / Ban, Yuguang / Zhou, Simon K / Ansel, K Mark /
    Kurachi, Makoto / Jordan, Martha S / Villarino, Alejandro V / Ngiow, Shin Foong / Wherry, E John

    Proceedings of the National Academy of Sciences of the United States of America

    2022  Volume 119, Issue 17, Page(s) e2106083119

    Abstract: CD8 T cells mediate protection against intracellular pathogens and tumors. However, persistent antigen during chronic infections or cancer leads to T cell exhaustion, suboptimal functionality, and reduced protective capacity. Despite considerable work ... ...

    Abstract CD8 T cells mediate protection against intracellular pathogens and tumors. However, persistent antigen during chronic infections or cancer leads to T cell exhaustion, suboptimal functionality, and reduced protective capacity. Despite considerable work interrogating the transcriptional regulation of exhausted CD8 T cells (TEX), the posttranscriptional control of TEX remains poorly understood. Here, we interrogated the role of microRNAs (miRs) in CD8 T cells responding to acutely resolved or chronic viral infection and identified miR-29a as a key regulator of TEX. Enforced expression of miR-29a improved CD8 T cell responses during chronic viral infection and antagonized exhaustion. miR-29a inhibited exhaustion-driving transcriptional pathways, including inflammatory and T cell receptor signaling, and regulated ribosomal biogenesis. As a result, miR-29a fostered a memory-like CD8 T cell differentiation state during chronic infection. Thus, we identify miR-29a as a key regulator of TEX and define mechanisms by which miR-29a can divert exhaustion toward a more beneficial memory-like CD8 T cell differentiation state.
    MeSH term(s) CD8-Positive T-Lymphocytes ; Humans ; Immunotherapy/methods ; MicroRNAs/genetics ; MicroRNAs/metabolism ; Neoplasms/metabolism ; Persistent Infection
    Chemical Substances MIRN29a microRNA, human ; MicroRNAs
    Language English
    Publishing date 2022-04-21
    Publishing country United States
    Document type Journal Article
    ZDB-ID 209104-5
    ISSN 1091-6490 ; 0027-8424
    ISSN (online) 1091-6490
    ISSN 0027-8424
    DOI 10.1073/pnas.2106083119
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  5. Article ; Online: The Neonatal CD8+ T Cell Repertoire Rapidly Diversifies during Persistent Viral Infection.

    Venturi, Vanessa / Nzingha, Kito / Amos, Timothy G / Charles, Wisler C / Dekhtiarenko, Iryna / Cicin-Sain, Luka / Davenport, Miles P / Rudd, Brian D

    Journal of immunology (Baltimore, Md. : 1950)

    2016  Volume 196, Issue 4, Page(s) 1604–1616

    Abstract: CMV is the most common congenital infection in the United States. The major target of congenital CMV is the brain, with clinical manifestations including mental retardation, vision impairment, and sensorineural hearing loss. Previous reports have shown ... ...

    Abstract CMV is the most common congenital infection in the United States. The major target of congenital CMV is the brain, with clinical manifestations including mental retardation, vision impairment, and sensorineural hearing loss. Previous reports have shown that CD8(+) T cells are required to control viral replication and significant numbers of CMV-specific CD8(+) T cells persist in the brain even after the initial infection has been cleared. However, the dynamics of CD8(+) T cells in the brain during latency remain largely undefined. In this report, we used TCR sequencing to track the development and maintenance of neonatal clonotypes in the brain and spleen of mice during chronic infection. Given the discontinuous nature of tissue-resident memory CD8(+) T cells, we hypothesized that neonatal TCR clonotypes would be locked in the brain and persist into adulthood. Surprisingly, we found that the Ag-specific T cell repertoire in neonatal-infected mice diversified during persistent infection in both the brain and spleen, while maintaining substantial similarity between the CD8(+) T cell populations in the brain and spleen in both early and late infection. However, despite the diversification of, and potential interchange between, the spleen and brain Ag-specific T cell repertoires, we observed that germline-encoded TCR clonotypes, characteristic of neonatal infection, persisted in the brain, albeit sometimes in low abundance. These results provide valuable insights into the evolution of CD8(+) T cell repertoires following neonatal CMV infection and thus have important implications for the development of therapeutic strategies to control CMV in early life.
    MeSH term(s) Animals ; Animals, Newborn ; Brain/immunology ; CD8-Positive T-Lymphocytes/immunology ; Cytomegalovirus/immunology ; Cytomegalovirus Infections/immunology ; Genes, T-Cell Receptor ; Immunologic Memory ; Mice, Inbred C57BL ; Receptors, Antigen, T-Cell, alpha-beta/immunology ; Spleen/cytology ; Spleen/immunology
    Chemical Substances Receptors, Antigen, T-Cell, alpha-beta
    Language English
    Publishing date 2016-02-15
    Publishing country United States
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
    ZDB-ID 3056-9
    ISSN 1550-6606 ; 0022-1767 ; 1048-3233 ; 1047-7381
    ISSN (online) 1550-6606
    ISSN 0022-1767 ; 1048-3233 ; 1047-7381
    DOI 10.4049/jimmunol.1501867
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Long-Term Persistence of Exhausted CD8 T Cells in Chronic Infection Is Regulated by MicroRNA-155.

    Stelekati, Erietta / Chen, Zeyu / Manne, Sasikanth / Kurachi, Makoto / Ali, Mohammed-Alkhatim / Lewy, Keith / Cai, Zhangying / Nzingha, Kito / McLane, Laura M / Hope, Jennifer L / Fike, Adam J / Katsikis, Peter D / Wherry, E John

    Cell reports

    2018  Volume 23, Issue 7, Page(s) 2142–2156

    Abstract: Persistent viral infections and tumors drive development of exhausted T ( ... ...

    Abstract Persistent viral infections and tumors drive development of exhausted T (T
    MeSH term(s) Animals ; CD8-Positive T-Lymphocytes/immunology ; Cell Differentiation ; Cell Proliferation/genetics ; Chronic Disease ; Communicable Diseases/genetics ; Communicable Diseases/immunology ; Communicable Diseases/pathology ; Fos-Related Antigen-2/metabolism ; Gene Expression Regulation ; Lymphocyte Subsets/immunology ; Mice, Inbred C57BL ; MicroRNAs/genetics ; MicroRNAs/metabolism ; Phenotype ; Time Factors ; Transcription Factor AP-1/metabolism ; Transcription, Genetic
    Chemical Substances Fos-Related Antigen-2 ; Fosl2 protein, mouse ; MicroRNAs ; Mirn155 microRNA, mouse ; Transcription Factor AP-1
    Language English
    Publishing date 2018-05-15
    Publishing country United States
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
    ZDB-ID 2649101-1
    ISSN 2211-1247 ; 2211-1247
    ISSN (online) 2211-1247
    ISSN 2211-1247
    DOI 10.1016/j.celrep.2018.04.038
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  7. Article ; Online: Developmental Origin Governs CD8

    Smith, Norah L / Patel, Ravi K / Reynaldi, Arnold / Grenier, Jennifer K / Wang, Jocelyn / Watson, Neva B / Nzingha, Kito / Yee Mon, Kristel J / Peng, Seth A / Grimson, Andrew / Davenport, Miles P / Rudd, Brian D

    Cell

    2018  Volume 174, Issue 1, Page(s) 117–130.e14

    Abstract: Heterogeneity is a hallmark feature of the adaptive immune system in vertebrates. Following infection, naive T cells differentiate into various subsets of effector and memory T cells, which help to eliminate pathogens and maintain long-term immunity. The ...

    Abstract Heterogeneity is a hallmark feature of the adaptive immune system in vertebrates. Following infection, naive T cells differentiate into various subsets of effector and memory T cells, which help to eliminate pathogens and maintain long-term immunity. The current model suggests there is a single lineage of naive T cells that give rise to different populations of effector and memory T cells depending on the type and amounts of stimulation they encounter during infection. Here, we have discovered that multiple sub-populations of cells exist in the naive CD8
    MeSH term(s) Animals ; CD8-Positive T-Lymphocytes/drug effects ; CD8-Positive T-Lymphocytes/immunology ; CD8-Positive T-Lymphocytes/metabolism ; Cell Differentiation ; Cell Line, Tumor ; Chromatin/metabolism ; Cytokines/pharmacology ; Epitopes, T-Lymphocyte/genetics ; Epitopes, T-Lymphocyte/metabolism ; Genes, Developmental ; Immunologic Memory ; Interferon-gamma/metabolism ; Killer Cells, Natural/cytology ; Killer Cells, Natural/metabolism ; Listeria monocytogenes/metabolism ; Listeria monocytogenes/pathogenicity ; Mice ; Mice, Inbred C57BL ; Principal Component Analysis ; T-Lymphocyte Subsets/cytology ; T-Lymphocyte Subsets/immunology ; T-Lymphocyte Subsets/metabolism ; Thymus Gland/transplantation ; Transcription Factors/genetics ; Transcription Factors/metabolism ; Transcriptome
    Chemical Substances Chromatin ; Cytokines ; Epitopes, T-Lymphocyte ; Transcription Factors ; Interferon-gamma (82115-62-6)
    Language English
    Publishing date 2018-06-14
    Publishing country United States
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
    ZDB-ID 187009-9
    ISSN 1097-4172 ; 0092-8674
    ISSN (online) 1097-4172
    ISSN 0092-8674
    DOI 10.1016/j.cell.2018.05.029
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  8. Article ; Online: Developmental Relationships of Four Exhausted CD8

    Beltra, Jean-Christophe / Manne, Sasikanth / Abdel-Hakeem, Mohamed S / Kurachi, Makoto / Giles, Josephine R / Chen, Zeyu / Casella, Valentina / Ngiow, Shin Foong / Khan, Omar / Huang, Yinghui Jane / Yan, Patrick / Nzingha, Kito / Xu, Wei / Amaravadi, Ravi K / Xu, Xiaowei / Karakousis, Giorgos C / Mitchell, Tara C / Schuchter, Lynn M / Huang, Alexander C /
    Wherry, E John

    Immunity

    2020  Volume 52, Issue 5, Page(s) 825–841.e8

    Abstract: ... ...

    Abstract CD8
    MeSH term(s) Animals ; B7-H1 Antigen/genetics ; B7-H1 Antigen/immunology ; CD8-Positive T-Lymphocytes/cytology ; CD8-Positive T-Lymphocytes/immunology ; CD8-Positive T-Lymphocytes/metabolism ; Cells, Cultured ; Epigenesis, Genetic/genetics ; Epigenesis, Genetic/immunology ; Hepatocyte Nuclear Factor 1-alpha/genetics ; Hepatocyte Nuclear Factor 1-alpha/immunology ; Homeodomain Proteins/genetics ; Homeodomain Proteins/immunology ; Humans ; Immunotherapy/methods ; Mice, Inbred C57BL ; Neoplasms/genetics ; Neoplasms/immunology ; Neoplasms/therapy ; T-Box Domain Proteins/genetics ; T-Box Domain Proteins/immunology ; T-Lymphocyte Subsets/immunology ; T-Lymphocyte Subsets/metabolism ; Transcription, Genetic/genetics ; Transcription, Genetic/immunology
    Chemical Substances B7-H1 Antigen ; Cd274 protein, mouse ; Hepatocyte Nuclear Factor 1-alpha ; Hnf1a protein, mouse ; Homeodomain Proteins ; Rhox8 protein, mouse ; T-Box Domain Proteins ; T-box transcription factor TBX21
    Language English
    Publishing date 2020-05-11
    Publishing country United States
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
    ZDB-ID 1217235-2
    ISSN 1097-4180 ; 1074-7613
    ISSN (online) 1097-4180
    ISSN 1074-7613
    DOI 10.1016/j.immuni.2020.04.014
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  9. Article ; Online: Acute neonatal infections 'lock-in' a suboptimal CD8+ T cell repertoire with impaired recall responses.

    Rudd, Brian D / Venturi, Vanessa / Smith, Norah L / Nzingha, Kito / Goldberg, Emily L / Li, Gang / Nikolich-Zugich, Janko / Davenport, Miles P

    PLoS pathogens

    2013  Volume 9, Issue 9, Page(s) e1003572

    Abstract: Microbial infection during various stages of human development produces widely different clinical outcomes, yet the links between age-related changes in the immune compartment and functional immunity remain unclear. The ability of the immune system to ... ...

    Abstract Microbial infection during various stages of human development produces widely different clinical outcomes, yet the links between age-related changes in the immune compartment and functional immunity remain unclear. The ability of the immune system to respond to specific antigens and mediate protection in early life is closely correlated with the level of diversification of lymphocyte antigen receptors. We have previously shown that the neonatal primary CD8+ T cell response to replication competent virus is significantly constricted compared to the adult response. In the present study, we have analyzed the subsequent formation of neonatal memory CD8+ T cells and their response to secondary infectious challenge. In particular, we asked whether the less diverse CD8+ T cell clonotypes that are elicited by neonatal vaccination with replication competent virus are 'locked-in' to the adult memory T cell, and thus may compromise the strength of adult immunity. Here we report that neonatal memory CD8+ T cells mediate poor recall responses compared to adults and are comprised of a repertoire of lower avidity T cells. During a later infectious challenge the neonatal memory CD8+ T cells compete poorly with the fully diverse repertoire of naïve adult CD8+ T cells and are outgrown by the adult primary response. This has important implications for the timing of vaccination in early life.
    MeSH term(s) Aging ; Animals ; Animals, Newborn ; CD8-Positive T-Lymphocytes/immunology ; CD8-Positive T-Lymphocytes/metabolism ; CD8-Positive T-Lymphocytes/pathology ; DNA, Recombinant/metabolism ; Herpes Simplex/immunology ; Herpes Simplex/prevention & control ; Herpes Simplex/virology ; Herpesvirus 1, Human/genetics ; Herpesvirus 1, Human/immunology ; Herpesvirus 1, Human/metabolism ; Immune System/growth & development ; Immune System/immunology ; Immune System/pathology ; Immunologic Deficiency Syndromes/etiology ; Immunologic Deficiency Syndromes/immunology ; Immunologic Deficiency Syndromes/metabolism ; Immunologic Deficiency Syndromes/pathology ; Immunologic Memory ; Listeria monocytogenes/genetics ; Listeria monocytogenes/immunology ; Listeria monocytogenes/metabolism ; Listeria monocytogenes/pathogenicity ; Listeriosis/immunology ; Listeriosis/microbiology ; Listeriosis/physiopathology ; Listeriosis/prevention & control ; Mice, Inbred Strains ; Models, Immunological ; Receptors, Antigen, T-Cell, alpha-beta/metabolism ; Specific Pathogen-Free Organisms ; Vaccines, Attenuated/adverse effects ; Vaccines, Attenuated/immunology ; Vaccinia/immunology ; Vaccinia/prevention & control ; Vaccinia/virology ; Vaccinia virus/genetics ; Vaccinia virus/immunology ; Vaccinia virus/metabolism ; Virulence
    Chemical Substances DNA, Recombinant ; Receptors, Antigen, T-Cell, alpha-beta ; Vaccines, Attenuated
    Language English
    Publishing date 2013-09-12
    Publishing country United States
    Document type Comparative Study ; Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
    ZDB-ID 2205412-1
    ISSN 1553-7374 ; 1553-7366
    ISSN (online) 1553-7374
    ISSN 1553-7366
    DOI 10.1371/journal.ppat.1003572
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  10. Article ; Online: Inhibitory signaling sustains a distinct early memory CD8

    Johnnidis, Jonathan B / Muroyama, Yuki / Ngiow, Shin Foong / Chen, Zeyu / Manne, Sasikanth / Cai, Zhangying / Song, Shufei / Platt, Jesse M / Schenkel, Jason M / Abdel-Hakeem, Mohamed / Beltra, Jean-Christophe / Greenplate, Allison R / Ali, Mohammed-Alkhatim A / Nzingha, Kito / Giles, Josephine R / Harly, Christelle / Attanasio, John / Pauken, Kristen E / Bengsch, Bertram /
    Paley, Michael A / Tomov, Vesselin T / Kurachi, Makoto / Vignali, Dario A A / Sharpe, Arlene H / Reiner, Steven L / Bhandoola, Avinash / Johnson, F Bradley / Wherry, E John

    Science immunology

    2021  Volume 6, Issue 55

    Abstract: The developmental origins of memory T cells remain incompletely understood. During the expansion phase of acute viral infection, we identified a distinct subset of virus-specific ... ...

    Abstract The developmental origins of memory T cells remain incompletely understood. During the expansion phase of acute viral infection, we identified a distinct subset of virus-specific CD8
    MeSH term(s) Animals ; Antigens, CD/genetics ; CD8-Positive T-Lymphocytes/immunology ; CD8-Positive T-Lymphocytes/metabolism ; Cell Differentiation/genetics ; Cell Differentiation/immunology ; DNA Damage/immunology ; Disease Models, Animal ; Female ; Hepatocyte Nuclear Factor 1-alpha/metabolism ; Humans ; Immunologic Memory/genetics ; Listeria monocytogenes/immunology ; Listeriosis/immunology ; Listeriosis/microbiology ; Lymphocyte Activation ; Lymphocytic Choriomeningitis/immunology ; Lymphocytic Choriomeningitis/virology ; Lymphocytic choriomeningitis virus/immunology ; Male ; Memory T Cells/immunology ; Memory T Cells/metabolism ; Mice ; Mice, Knockout ; Precursor Cells, T-Lymphoid/immunology ; Precursor Cells, T-Lymphoid/metabolism ; Programmed Cell Death 1 Receptor/genetics
    Chemical Substances Antigens, CD ; CD223 antigen ; Hepatocyte Nuclear Factor 1-alpha ; Hnf1a protein, mouse ; Pdcd1 protein, mouse ; Programmed Cell Death 1 Receptor
    Language English
    Publishing date 2021-01-25
    Publishing country United States
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
    ISSN 2470-9468
    ISSN (online) 2470-9468
    DOI 10.1126/sciimmunol.abe3702
    Database MEDical Literature Analysis and Retrieval System OnLINE

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