Jonathan Karn

Summary

Affiliation: Case Western Reserve University
Country: USA

Publications

  1. pmc Transcriptional and posttranscriptional regulation of HIV-1 gene expression
    Jonathan Karn
    Department of Molecular Biology and Microbiology, Case Western Reserve University, Cleveland, Ohio 44106, USA
    Cold Spring Harb Perspect Med 2:a006916. 2012
  2. pmc The molecular biology of HIV latency: breaking and restoring the Tat-dependent transcriptional circuit
    Jonathan Karn
    Department of Molecular Biology and Microbiology, Case Western Reserve University, Cleveland, Ohio, USA
    Curr Opin HIV AIDS 6:4-11. 2011
  3. pmc Epigenetic silencing of human immunodeficiency virus (HIV) transcription by formation of restrictive chromatin structures at the viral long terminal repeat drives the progressive entry of HIV into latency
    Richard Pearson
    Department of Molecular Biology and Microbiology, Case Western Reserve University, Cleveland, OH 44106 4960, USA
    J Virol 82:12291-303. 2008
  4. pmc T-cell receptor signaling enhances transcriptional elongation from latent HIV proviruses by activating P-TEFb through an ERK-dependent pathway
    Young Kyeung Kim
    Department of Molecular Biology and Microbiology, School of Medicine, Case Western Reserve University, 10900 Euclid Avenue, Room W200, Cleveland, OH 44106 4960, USA
    J Mol Biol 410:896-916. 2011
  5. pmc Phosphorylation of CDK9 at Ser175 enhances HIV transcription and is a marker of activated P-TEFb in CD4(+) T lymphocytes
    Uri R Mbonye
    Department of Molecular Biology and Microbiology, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
    PLoS Pathog 9:e1003338. 2013
  6. pmc CBF-1 promotes transcriptional silencing during the establishment of HIV-1 latency
    Mudit Tyagi
    Department of Molecular Biology and Microbiology, School of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA
    EMBO J 26:4985-95. 2007
  7. pmc Control of HIV latency by epigenetic and non-epigenetic mechanisms
    Uri Mbonye
    Department of Molecular Biology and Microbiology, Case Western Reserve University, Cleveland, Ohio 44106, USA
    Curr HIV Res 9:554-67. 2011
  8. pmc Establishment of HIV latency in primary CD4+ cells is due to epigenetic transcriptional silencing and P-TEFb restriction
    Mudit Tyagi
    Department of Molecular Biology and Microbiology, Case Western Reserve University, 10900 Euclid Ave, Cleveland, OH 44106 4960, USA
    J Virol 84:6425-37. 2010
  9. pmc Epigenetic silencing of HIV-1 by the histone H3 lysine 27 methyltransferase enhancer of Zeste 2
    Julia Friedman
    Department of Molecular Biology and Microbiology, Case Western Reserve University School of Medicine, 10900 Euclid Avenue, Cleveland, OH 44106 4960, USA
    J Virol 85:9078-89. 2011
  10. pmc Inhibition of both HIV-1 reverse transcription and gene expression by a cyclic peptide that binds the Tat-transactivating response element (TAR) RNA
    Matthew S Lalonde
    Department of Biochemistry, Case Western Reserve University, Cleveland, Ohio, United States of America
    PLoS Pathog 7:e1002038. 2011

Collaborators

  • Mudit Tyagi
  • Eric J Arts
  • Michelle J West
  • John A Robinson
  • David M Margolis
  • Young Kyeung Kim
  • Uri Mbonye
  • Julia Friedman
  • Richard Pearson
  • Uri R Mbonye
  • Matthew S Lalonde
  • Joseph Hokello
  • Julian Wong
  • Manish Datt
  • Curtis Dobrowolski
  • Maxwell Cooper
  • Mark R Chance
  • Giridharan Gokulrangan
  • Chung K Chu
  • Zafiria Athanassiou
  • Gabriele Varani
  • Annette Ratcliff
  • Michael A Lobritz
  • Mastooreh Chamanian
  • Nancie M Archin
  • Kara S Keedy
  • Won Kyung Cho
  • Kara Lassen
  • Shwu Yuan Wu
  • Cyril F Bourgeois
  • Cheng Ming Chiang

Detail Information

Publications11

  1. pmc Transcriptional and posttranscriptional regulation of HIV-1 gene expression
    Jonathan Karn
    Department of Molecular Biology and Microbiology, Case Western Reserve University, Cleveland, Ohio 44106, USA
    Cold Spring Harb Perspect Med 2:a006916. 2012
    ..In cells that are not fully activated, limiting levels of Tat and Rev act as potent blocks to premature virus production...
  2. pmc The molecular biology of HIV latency: breaking and restoring the Tat-dependent transcriptional circuit
    Jonathan Karn
    Department of Molecular Biology and Microbiology, Case Western Reserve University, Cleveland, Ohio, USA
    Curr Opin HIV AIDS 6:4-11. 2011
    ..This review will focus on recent insights into the HIV transcriptional control mechanisms that provide the biochemical basis for understanding latency...
  3. pmc Epigenetic silencing of human immunodeficiency virus (HIV) transcription by formation of restrictive chromatin structures at the viral long terminal repeat drives the progressive entry of HIV into latency
    Richard Pearson
    Department of Molecular Biology and Microbiology, Case Western Reserve University, Cleveland, OH 44106 4960, USA
    J Virol 82:12291-303. 2008
    ..This decreases Tat production below the levels that are required to sustain HIV gene expression...
  4. pmc T-cell receptor signaling enhances transcriptional elongation from latent HIV proviruses by activating P-TEFb through an ERK-dependent pathway
    Young Kyeung Kim
    Department of Molecular Biology and Microbiology, School of Medicine, Case Western Reserve University, 10900 Euclid Avenue, Room W200, Cleveland, OH 44106 4960, USA
    J Mol Biol 410:896-916. 2011
    ....
  5. pmc Phosphorylation of CDK9 at Ser175 enhances HIV transcription and is a marker of activated P-TEFb in CD4(+) T lymphocytes
    Uri R Mbonye
    Department of Molecular Biology and Microbiology, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
    PLoS Pathog 9:e1003338. 2013
    ....
  6. pmc CBF-1 promotes transcriptional silencing during the establishment of HIV-1 latency
    Mudit Tyagi
    Department of Molecular Biology and Microbiology, School of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA
    EMBO J 26:4985-95. 2007
    ..We conclude that CBF-1 is a previously overlooked factor that induces transcriptional silencing during the establishment of HIV latency...
  7. pmc Control of HIV latency by epigenetic and non-epigenetic mechanisms
    Uri Mbonye
    Department of Molecular Biology and Microbiology, Case Western Reserve University, Cleveland, Ohio 44106, USA
    Curr HIV Res 9:554-67. 2011
    ....
  8. pmc Establishment of HIV latency in primary CD4+ cells is due to epigenetic transcriptional silencing and P-TEFb restriction
    Mudit Tyagi
    Department of Molecular Biology and Microbiology, Case Western Reserve University, 10900 Euclid Ave, Cleveland, OH 44106 4960, USA
    J Virol 84:6425-37. 2010
    ..Thus, a combination of restrictive chromatin structures at the HIV long terminal repeat and limiting P-TEFb levels contribute to transcriptional silencing leading to latency in primary CD4(+) T cells...
  9. pmc Epigenetic silencing of HIV-1 by the histone H3 lysine 27 methyltransferase enhancer of Zeste 2
    Julia Friedman
    Department of Molecular Biology and Microbiology, Case Western Reserve University School of Medicine, 10900 Euclid Avenue, Cleveland, OH 44106 4960, USA
    J Virol 85:9078-89. 2011
    ..These findings suggest that PRC2-mediated silencing is an important feature of HIV latency and that inhibitors of histone methylation may play a useful role in induction strategies designed to eradicate latent HIV pools...
  10. pmc Inhibition of both HIV-1 reverse transcription and gene expression by a cyclic peptide that binds the Tat-transactivating response element (TAR) RNA
    Matthew S Lalonde
    Department of Biochemistry, Case Western Reserve University, Cleveland, Ohio, United States of America
    PLoS Pathog 7:e1002038. 2011
    ..Our results suggest that antiviral drugs targeting TAR RNA might be highly effective due to a dual inhibitory mechanism...
  11. pmc Recruitment of TFIIH to the HIV LTR is a rate-limiting step in the emergence of HIV from latency
    Young Kyeung Kim
    Department of Molecular Biology and Microbiology, School of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA
    EMBO J 25:3596-604. 2006
    ..We conclude that the recruitment and activation of TFIIH represents a rate-limiting step for the emergence of HIV from latency...