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The Cyclosporin A Washout Assay to Detect HIV-1 Uncoating in Infected Cells

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Human Retroviruses

Part of the book series: Methods in Molecular Biology ((MIMB,volume 1087))

Abstract

Uncoating is an early step of HIV-1 replication in which the viral capsid disassembles by p24 capsid (p24CA) protein dissociating from the viral complex. Although uncoating is required for HIV-1 replication, many questions remain about the mechanism of this process as well as its impact on other steps in viral replication. Here we describe a recently developed assay to study the process of uncoating in HIV-1-infected cells. The CsA washout assay is a cell-based assay that utilizes the HIV-1 restriction factor TRIM-CypA to detect and inhibit infection of coated viral complexes. Owl monkey kidney (OMK) cells are infected with a GFP reporter virus and TRIM-CypA restriction is switched on at various times postinfection allowing the kinetics of uncoating to be monitored in infected cells. This assay also can be used to examine the effect of different viral or cellular factors on the process of uncoating.

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References

  1. Bukrinsky MI, Sharova N, McDonald TL, Pushkarskaya T, Tarpley WG, Stevenson M (1993) Association of integrase, matrix, and reverse transcriptase antigens of human immunodeficiency virus type 1 with viral nucleic acids following acute infection. Proc Natl Acad Sci U S A 90:6125–6129

    Article  PubMed Central  PubMed  CAS  Google Scholar 

  2. Fassati A, Goff SP (2001) Characterization of intracellular reverse transcription complexes of human immunodeficiency virus type 1. J Virol 75:3626–3635

    Article  PubMed Central  PubMed  CAS  Google Scholar 

  3. Miller MD, Farnet CM, Bushman FD (1997) Human immunodeficiency virus type 1 preintegration complexes: studies of organization and composition. J Virol 71:5382–5390

    PubMed Central  PubMed  CAS  Google Scholar 

  4. Forshey BM, Aiken C (2003) Disassembly of human immunodeficiency virus type 1 cores in vitro reveals association of Nef with the subviral ribonucleoprotein complex. J Virol 77:4409–4414

    Article  PubMed Central  PubMed  CAS  Google Scholar 

  5. Arhel NJ, Souquere-Besse S, Munier S, Souque P, Guadagnini S, Rutherford S, Prevost MC, Allen TD, Charneau P (2007) HIV-1 DNA Flap formation promotes uncoating of the pre-integration complex at the nuclear pore. EMBO J 26:3025–3037

    Article  PubMed Central  PubMed  CAS  Google Scholar 

  6. Smith AE, Helenius A (2004) How viruses enter animal cells. Science (New York, NY) 304:237–242

    Article  CAS  Google Scholar 

  7. McDonald D, Vodicka MA, Lucero G, Svitkina TM, Borisy GG, Emerman M, Hope TJ (2002) Visualization of the intracellular behavior of HIV in living cells. J Cell Biol 159: 441–452

    Article  PubMed Central  PubMed  CAS  Google Scholar 

  8. Hulme AE, Perez O, Hope TJ (2011) Complementary assays reveal a relationship between HIV-1 uncoating and reverse transcription. Proc Natl Acad Sci U S A 108: 9975–9980

    Article  PubMed Central  PubMed  Google Scholar 

  9. Forshey BM, von Schwedler U, Sundquist WI, Aiken C (2002) Formation of a human immunodeficiency virus type 1 core of optimal stability is crucial for viral replication. J Virol 76:5667–5677

    Article  PubMed Central  PubMed  CAS  Google Scholar 

  10. von Schwedler UK, Stray KM, Garrus JE, Sundquist WI (2003) Functional surfaces of the human immunodeficiency virus type 1 capsid protein. J Virol 77:5439–5450

    Article  CAS  Google Scholar 

  11. Fitzon T, Leschonsky B, Bieler K, Paulus C, Schroder J, Wolf H, Wagner R (2000) Proline residues in the HIV-1 NH2-terminal capsid domain: structure determinants for proper core assembly and subsequent steps of early replication. Virology 268:294–307

    Article  PubMed  CAS  Google Scholar 

  12. Tang S, Murakami T, Agresta BE, Campbell S, Freed EO, Levin JG (2001) Human immunodeficiency virus type 1 N-terminal capsid mutants that exhibit aberrant core morphology and are blocked in initiation of reverse transcription in infected cells. J Virol 75:9357–9366

    Article  PubMed Central  PubMed  CAS  Google Scholar 

  13. Tang S, Murakami T, Cheng N, Steven AC, Freed EO, Levin JG (2003) Human immunodeficiency virus type 1 N-terminal capsid mutants containing cores with abnormally high levels of capsid protein and virtually no reverse transcriptase. J Virol 77:12592–12602

    Article  PubMed Central  PubMed  CAS  Google Scholar 

  14. Aiken C (2009) Cell-free assays for HIV-1 uncoating. Methods Mol Biol (Clifton, NJ) 485:41–53

    Article  CAS  Google Scholar 

  15. Yamashita M, Perez O, Hope TJ, Emerman M (2007) Evidence for direct involvement of the capsid protein in HIV infection of nondividing cells. PLoS Pathog 3:1502–1510

    PubMed  CAS  Google Scholar 

  16. Stremlau M, Perron M, Lee M, Li Y, Song B, Javanbakht H, Diaz-Griffero F, Anderson DJ, Sundquist WI, Sodroski J (2006) Specific recognition and accelerated uncoating of retroviral capsids by the TRIM5alpha restriction factor. Proc Natl Acad Sci U S A 103: 5514–5519

    Article  PubMed Central  PubMed  CAS  Google Scholar 

  17. Perez-Caballero D, Hatziioannou T, Zhang F, Cowan S, Bieniasz PD (2005) Restriction of human immunodeficiency virus type 1 by TRIM-CypA occurs with rapid kinetics and independently of cytoplasmic bodies, ubiquitin, and proteasome activity. J Virol 79: 15567–15572

    Article  PubMed Central  PubMed  CAS  Google Scholar 

  18. Sayah DM, Sokolskaja E, Berthoux L, Luban J (2004) Cyclophilin A retrotransposition into TRIM5 explains owl monkey resistance to HIV-1. Nature 430:569–573

    Article  PubMed  CAS  Google Scholar 

  19. Sebastian S, Luban J (2005) TRIM5alpha selectively binds a restriction-sensitive retroviral capsid. Retrovirology 2:40

    Article  PubMed Central  PubMed  CAS  Google Scholar 

  20. Forshey BM, Shi J, Aiken C (2005) Structural requirements for recognition of the human immunodeficiency virus type 1 core during host restriction in owl monkey cells. J Virol 79:869–875

    Article  PubMed Central  PubMed  CAS  Google Scholar 

  21. Nisole S, Lynch C, Stoye JP, Yap MW (2004) A Trim5-cyclophilin A fusion protein found in owl monkey kidney cells can restrict HIV-1. Proc Natl Acad Sci U S A 101:13324–13328

    Article  PubMed Central  PubMed  CAS  Google Scholar 

  22. Towers GJ, Hatziioannou T, Cowan S, Goff SP, Luban J, Bieniasz PD (2003) Cyclophilin A modulates the sensitivity of HIV-1 to host restriction factors. Nat Med 9:1138–1143

    Article  PubMed  CAS  Google Scholar 

  23. O'Doherty U, Swiggard WJ, Malim MH (2000) Human immunodeficiency virus type 1 spinoculation enhances infection through virus binding. J Virol 74:10074–10080

    Article  PubMed Central  PubMed  Google Scholar 

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Hulme, A.E., Hope, T.J. (2014). The Cyclosporin A Washout Assay to Detect HIV-1 Uncoating in Infected Cells. In: Vicenzi, E., Poli, G. (eds) Human Retroviruses. Methods in Molecular Biology, vol 1087. Humana Press, Totowa, NJ. https://doi.org/10.1007/978-1-62703-670-2_4

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  • DOI: https://doi.org/10.1007/978-1-62703-670-2_4

  • Publisher Name: Humana Press, Totowa, NJ

  • Print ISBN: 978-1-62703-669-6

  • Online ISBN: 978-1-62703-670-2

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