Petar S Lenert

Summary

Affiliation: University of Iowa
Country: USA

Publications

  1. ncbi Structural characterization of the inhibitory DNA motif for the type A (D)-CpG-induced cytokine secretion and NK-cell lytic activity in mouse spleen cells
    Petar Lenert
    Division of Rheumatology, Department of Internal Medicine and Roy J and Lucille A Carver College of Medicine, University of Iowa, The Iowa City VA Medical Center, Iowa City, Iowa 52242, USA
    DNA Cell Biol 22:621-31. 2003
  2. ncbi Inhibitory oligodeoxynucleotides - therapeutic promise for systemic autoimmune diseases?
    P Lenert
    Division of Rheumatology, Department of Internal Medicine, Carver College of Medicine, The University of Iowa, Iowa City, IA 52242, USA
    Clin Exp Immunol 140:1-10. 2005
  3. ncbi DNA-like class R inhibitory oligonucleotides (INH-ODNs) preferentially block autoantigen-induced B-cell and dendritic cell activation in vitro and autoantibody production in lupus-prone MRL-Fas(lpr/lpr) mice in vivo
    Petar Lenert
    Department of Internal Medicine and Pathology, Carver College of Medicine, The University of Iowa, Iowa City, IA 52242, USA
    Arthritis Res Ther 11:R79. 2009
  4. ncbi Extended sequence preferences for oligodeoxyribonucleotide activity
    Petar Lenert
    Division of Rheumatology, Department of Internal Medicine, Carver College of Medicine, The University of Iowa, Iowa City, IA 52242, USA
    Immunology 117:474-81. 2006
  5. ncbi Targeting Toll-like receptor signaling in plasmacytoid dendritic cells and autoreactive B cells as a therapy for lupus
    Petar S Lenert
    Division of Rheumatology, Department of Internal Medicine, Carver College of Medicine, The University of Iowa, Iowa City, Iowa, USA
    Arthritis Res Ther 8:203. 2006
  6. ncbi Classification, mechanisms of action, and therapeutic applications of inhibitory oligonucleotides for Toll-like receptors (TLR) 7 and 9
    Petar S Lenert
    Department of Internal Medicine, Division of Rheumatology, Carver College of Medicine, The University of Iowa, Iowa City, Iowa 52242, USA
    Mediators Inflamm 2010:986596. 2010
  7. ncbi TLR-9 activation of marginal zone B cells in lupus mice regulates immunity through increased IL-10 production
    Petar Lenert
    Division of Rheumatology, Department of Internal Medicine, Carver College of Medicine, The University of Iowa, Iowa City, Iowa 52242, USA
    J Clin Immunol 25:29-40. 2005
  8. ncbi Inhibitory oligonucleotides block the induction of AP-1 transcription factor by stimulatory CpG oligonucleotides in B cells
    Petar Lenert
    Department of Internal Medicine, University of Iowa, College of Medicine, Iowa City, IA 52242, USA
    Antisense Nucleic Acid Drug Dev 13:143-50. 2003
  9. ncbi Innate immune responses in lupus-prone Palmerston North mice: differential responses to LPS and bacterial DNA/CpG oligonucleotides
    Petar Lenert
    Department of Internal Medicine, Roy J and Lucille A Carver College of Medicine, University of Iowa, Iowa City, Iowa 52242, USA
    J Clin Immunol 23:202-13. 2003
  10. ncbi Nucleic acid sensing receptors in systemic lupus erythematosus: development of novel DNA- and/or RNA-like analogues for treating lupus
    P Lenert
    Department of Internal Medicine, Division of Rheumatology, Carver College of Medicine, The University of Iowa, Iowa City, IA 52242, USA
    Clin Exp Immunol 161:208-22. 2010

Detail Information

Publications13

  1. ncbi Structural characterization of the inhibitory DNA motif for the type A (D)-CpG-induced cytokine secretion and NK-cell lytic activity in mouse spleen cells
    Petar Lenert
    Division of Rheumatology, Department of Internal Medicine and Roy J and Lucille A Carver College of Medicine, University of Iowa, The Iowa City VA Medical Center, Iowa City, Iowa 52242, USA
    DNA Cell Biol 22:621-31. 2003
    ..These findings suggest that CpG regulation of innate immunity can itself be regulated by particular motifs, which could be of therapeutic benefit in autoimmune diseases...
  2. ncbi Inhibitory oligodeoxynucleotides - therapeutic promise for systemic autoimmune diseases?
    P Lenert
    Division of Rheumatology, Department of Internal Medicine, Carver College of Medicine, The University of Iowa, Iowa City, IA 52242, USA
    Clin Exp Immunol 140:1-10. 2005
    ....
  3. ncbi DNA-like class R inhibitory oligonucleotides (INH-ODNs) preferentially block autoantigen-induced B-cell and dendritic cell activation in vitro and autoantibody production in lupus-prone MRL-Fas(lpr/lpr) mice in vivo
    Petar Lenert
    Department of Internal Medicine and Pathology, Carver College of Medicine, The University of Iowa, Iowa City, IA 52242, USA
    Arthritis Res Ther 11:R79. 2009
    ..Thus, strategies to preferentially block innate activation through TLRs in autoimmune B cells may be preferred over non-selective B-cell depletion...
  4. ncbi Extended sequence preferences for oligodeoxyribonucleotide activity
    Petar Lenert
    Division of Rheumatology, Department of Internal Medicine, Carver College of Medicine, The University of Iowa, Iowa City, IA 52242, USA
    Immunology 117:474-81. 2006
    ....
  5. ncbi Targeting Toll-like receptor signaling in plasmacytoid dendritic cells and autoreactive B cells as a therapy for lupus
    Petar S Lenert
    Division of Rheumatology, Department of Internal Medicine, Carver College of Medicine, The University of Iowa, Iowa City, Iowa, USA
    Arthritis Res Ther 8:203. 2006
    ..Both classes of INH-ODNs can block animal lupus. Hence, therapeutic application of these novel INH-ODNs in human lupus, particularly class R INH-ODNs, may result in more selective and disease-specific immunosuppression...
  6. ncbi Classification, mechanisms of action, and therapeutic applications of inhibitory oligonucleotides for Toll-like receptors (TLR) 7 and 9
    Petar S Lenert
    Department of Internal Medicine, Division of Rheumatology, Carver College of Medicine, The University of Iowa, Iowa City, Iowa 52242, USA
    Mediators Inflamm 2010:986596. 2010
    ..Several short ODNs have already shown promise as pathway-specific therapeutics for animal lupus. We envision their future use in human SLE, microbial DNA-dependent sepsis, and in other autoinflammatory diseases...
  7. ncbi TLR-9 activation of marginal zone B cells in lupus mice regulates immunity through increased IL-10 production
    Petar Lenert
    Division of Rheumatology, Department of Internal Medicine, Carver College of Medicine, The University of Iowa, Iowa City, Iowa 52242, USA
    J Clin Immunol 25:29-40. 2005
    ..Therefore, B cells may contribute to the lupus pathogenesis in many different ways: as antigen-presenting cells for self antigens, as effector cells for autoantibody production, and as IL-10 secreting regulatory cells...
  8. ncbi Inhibitory oligonucleotides block the induction of AP-1 transcription factor by stimulatory CpG oligonucleotides in B cells
    Petar Lenert
    Department of Internal Medicine, University of Iowa, College of Medicine, Iowa City, IA 52242, USA
    Antisense Nucleic Acid Drug Dev 13:143-50. 2003
    ..These data suggest that inhibitory ODNs block the CpG ODN-driven signaling pathway at a site proximal to AP-1 induction...
  9. ncbi Innate immune responses in lupus-prone Palmerston North mice: differential responses to LPS and bacterial DNA/CpG oligonucleotides
    Petar Lenert
    Department of Internal Medicine, Roy J and Lucille A Carver College of Medicine, University of Iowa, Iowa City, Iowa 52242, USA
    J Clin Immunol 23:202-13. 2003
    ....
  10. ncbi Nucleic acid sensing receptors in systemic lupus erythematosus: development of novel DNA- and/or RNA-like analogues for treating lupus
    P Lenert
    Department of Internal Medicine, Division of Rheumatology, Carver College of Medicine, The University of Iowa, Iowa City, IA 52242, USA
    Clin Exp Immunol 161:208-22. 2010
    ..Several groups are exploring the possibility of translating these INH-ODNs into human therapeutics for treating SLE and bacterial DNA-induced sepsis...
  11. ncbi CpG stimulation of primary mouse B cells is blocked by inhibitory oligodeoxyribonucleotides at a site proximal to NF-kappaB activation
    P Lenert
    Department of Internal Medicine, University of Iowa, College of Medicine, Iowa City 52242, USA
    Antisense Nucleic Acid Drug Dev 11:247-56. 2001
    ....
  12. ncbi Aggregation and secondary loop structure of oligonucleotides do not determine their ability to inhibit TLR9
    Robert F Ashman
    Department of Internal Medicine, Carver College of Medicine, The University of Iowa, Iowa City, IA 52242, United States
    Int Immunopharmacol 11:1032-7. 2011
    ..These results support the conclusion that certain features of the primary linear sequence are critical for TLR9 inhibition, but changes in secondary structure or in ODN aggregation are irrelevant...
  13. ncbi Identification of methylated CpG motifs as inhibitors of the immune stimulatory CpG motifs
    Y Chen
    Department of Internal Medicine, University of Iowa, Iowa City, IA 52242, USA
    Gene Ther 8:1024-32. 2001
    ..Our results suggest that methylated DNA may be applied to alleviate the unwanted immune stimulation and inflammation in systemic inflammatory response syndrome and in gene therapy with plasmid DNA...

Research Grants4

  1. Mechanism of Action of Inhibitory CpG Oligonucleotides
    Petar Lenert; Fiscal Year: 2007
    ....
  2. Therapeutic use of inhibitory DNA sequences in animal models of lupus
    Petar Lenert; Fiscal Year: 2006
    ..Future extension of these studies to humans may lead to the design of novel therapeutic agents for human SLE. ..
  3. Mechanism of Action of Inhibitory CpG Oligonucleotides
    Petar Lenert; Fiscal Year: 2009
    ..abstract_text> ..