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JoVE Journal > Immunology and Infection
Summary
Abstract
Introduction
Protocol
Results
Discussion
Disclosures
Acknowledgements
Materials
References
Immunology and Infection
Nucleocápside Annealing-Mediated Eletroforese (NAME) ensaio permite a identificação rápida de HIV-1 Nucleocápside Inibidores
Published: January 19, 2015
doi:
10.3791/52474
Please note that all translations are automatically generated.
Click here for the English version.
Alice Sosic
1
,
Marta Cappellini
1
,
Matteo Scalabrin
2
,
Barbara Gatto
1
1
Department of Pharmaceutical and Pharmacological Sciences
,
University of Padova
2
The RNA Institute
,
SUNY Albany
Summary
Abstract
Introduction
Protocol
Representative Results
Discussion
Disclosures
The authors have nothing to disclose.
Acknowledgements
Materials
cTAR, 29-mer DNA oligo. Desalted. HPLC purified.
Metabion International AG
Store the stock solution at -20 °C
TAR, 29-mer RNA oligo. Desalted. HPLC purified.
Metabion International AG
Store the stock aliquot at -80 °C
(12-55)NC peptide
EspiKem srl
Store the stock solution at -20 °C
1.5 ml tubes
Eppendorf
0030 120 086
Autoclave before use
0.5 ml tubes
Eppendorf
0030 121 023
Autoclave before use
Biosphere Filter Tips 0.1-10 µl
Sarstedt
701,130,210
Biosphere Filter Tips 2-20 µl
Sarstedt
70,760,213
Biosphere Filter Tips 200 µl
Sarstedt
70,760,213
Syringe Filter 0.22 µm
Biosigma srl
51,798
Ethanol
Carlo Erba
414631
Sodium Dodecyl Sulfate
Sigma-Aldrich
71725-50G
Dimethyl Sulfoxide
Sigma-Aldrich
D8418-1L
Sodium Chloride
Sigma-Aldrich
71376-1KG
Boric Acid
Sigma-Aldrich
B0252-2.5KG
Ethylenediaminetetraacetic Acid
Sigma-Aldrich
E5134-500G
Magnesium Perchlorate
Sigma-Aldrich
222283-100G
Store the 1 M solution at -20 °C
Glycerol
Sigma-Aldrich
49770-1L
Bromophenol Blue
GE Healthcare Life Sciences
17-1329-01
<em>N,N,N′,N′</em>-Tetramethylethylenediamine
Sigma-Aldrich
T9281-100ML
Ammonium Persulfate
Sigma-Aldrich
A7460-500G
Prepare the 10% solution freshly before use
Acrylamide-bis ready-to-use solution 40% (19:1)
Merck Millipore
1006401000
Polyacrylamide is highly neurotoxic: wear gloves during the gel casting
Tris ultrapure
Applichem
A1086,1000
DEPC-treated water
Ambion
AM9922
Centrifuge 5415R
Eppendorf
22,621,408
NanoDrop 1000 spectrometer
Thermo Scientific
UV-VIS spectrometer Lambda 20
Perkin Elmer
Protean II xi Cell
Bio-Rad
165-1803
PowerPac Basic Power Supply
Bio-Rad
164-5050
SybrGreen II RNA Gel Staining
Lonza
50523
Make the 1/10,000 dilution in TBE 1x. Store it in the dark at 4 °C for two weeks.
Geliance 600 Imaging System
Perkin Elmer
DOWNLOAD MATERIALS LIST
References
Druillennec, S., et al.
A mimic of HIV-1 nucleocapsid protein impairs reverse transcription and displays antiviral activity.
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Properties, functions, and drug targeting of the multifunctional nucleocapsid protein of the human immunodeficiency virus.
Adv Pharmacol
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55
, 299-346 (2007).
Thomas, J. A., Gorelick, R. J.
Nucleocapsid protein function in early infection processes.
Virus Res
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, 39-63 (2008).
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Features, processing states, and heterologous protein interactions in the modulation of the retroviral nucleocapsid protein function.
RNA Biol
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, 724-734 (2010).
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Probing nucleation, reverse annealing, and chaperone function along the reaction path of HIV-1 single-strand transfer.
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Strand transfer events during HIV-1 reverse transcription.
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Human immunodeficiency virus type 1 nucleocapsid protein promotes efficient strand transfer and specific viral DNA synthesis by inhibiting TAR-dependent self-priming from minus-strand strong-stop DNA.
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Flexible nature and specific functions of the HIV-1 nucleocapsid protein.
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, 565-581 (2011).
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, 2434-2441 (1995).
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Mechanistic studies of mini-TAR RNA/DNA annealing in the absence and presence of HIV-1 nucleocapsid protein.
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363
, 244-261 (2006).
Beltz, H., et al.
Structural determinants of HIV-1 nucleocapsid protein for cTAR DNA binding and destabilization, and correlation with inhibition of self-primed DNA synthesis.
J Mol Biol
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, 1113-1126 (2005).
Mori, M., et al.
Nucleocapsid Protein: a Desirable Target for Future Therapies against HIV-1.
Curr Top Microbiol Immunol
. , .
Sosic, A., et al.
Design, synthesis and biological evaluation of TAR and cTAR binders as HIV-1 nucleocapsid inhibitors.
MedChemComm
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4
, 1388-1393 (2013).
Tabarrini, O., et al.
Studies of Anti-HIV Transcription Inhibitor Quinolones: Identification of Potent N1-Vinyl Derivatives.
Chemmedchem
.
5
, 1880-1892 (2010).
Hagan, N., Fabris, D.
Direct mass spectrometric determination of the stoichiometry and binding affinity of the complexes between nucleocapsid protein and RNA stem-loop hairpins of the HIV-1 Psi-recognition element.
Biochemistry
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42
, 10736-10745 (2003).
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Disordered RNA chaperone proteins: from functions to disease.
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, 1409-1417 (2005).
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Tuning G-quadruplex vs double-stranded DNA recognition in regioisomeric lysyl-peptidyl-anthraquinone conjugates.
Bioconjug Chem
.
22
, 2126-2135 (2011).
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Preferred RNA binding sites for a threading intercalator revealed by in vitro evolution.
Chem Biol
.
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, 663-672 (2003).
Gooch, B. D., Beal, P. A.
Recognition of duplex RNA by helix-threading peptides.
J Am Chem Soc
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Kanevsky, I., et al.
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Nucleic Acids Res
.
39
, 8148-8162 (2011).
Tags
Nucleocapsid Annealing-Mediated Electrophoresis (NAME) Assay
HIV-1 Nucleocapsid Protein (NC)
RNA/DNA Folding
Antiviral Drug Development
NC Chaperone Activity Inhibition
Threading Intercalator
PAGE Analysis
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Cite This Article
Sosic, A., Cappellini, M., Scalabrin, M., Gatto, B. Nucleocapsid Annealing-Mediated Electrophoresis (NAME) Assay Allows the Rapid Identification of HIV-1 Nucleocapsid Inhibitors.
J. Vis. Exp.
(95), e52474, doi:10.3791/52474 (2015).
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