DNA synthesis enzymes and proliferating cell nuclear antigen in normal and neoplastic nerve cells.
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Spadari S
|
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Anticancer research
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Structural determinants of HIV-1 reverse transcriptase stereoselectivity towards (beta)-L-deoxy- and dideoxy-pyrimidine nucleoside triphosphates: molecular basis for the combination of L-dideoxynucleoside analogs with non-nucleoside inhibitors in anti HIV chemotherapy.
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Spadari S
|
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Nucleosides & nucleotides
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Selective targeting of the HIV-1 reverse transcriptase catalytic complex through interaction with the "primer grip" region by pyrrolobenzoxazepinone non-nucleoside inhibitors correlates with increased activity towards drug-resistant mutants.
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Spadari S
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2008
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Biochemical pharmacology
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Expanding the repertoire of DNA polymerase substrates: template-instructed incorporation of non-nucleoside triphosphate analogues by DNA polymerases beta and lambda.
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Spadari S
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2007
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Nucleic acids research
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Slow-, tight-binding HIV-1 reverse transcriptase non-nucleoside inhibitors highly active against drug-resistant mutants.
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Spadari S
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2007
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ChemMedChem
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Discovery of non-nucleoside inhibitors of HIV-1 reverse transcriptase competing with the nucleotide substrate.
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Spadari S
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2007
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Angewandte Chemie (International ed. in English)
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Human replication protein A can suppress the intrinsic in vitro mutator phenotype of human DNA polymerase lambda.
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Spadari S
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2006
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Nucleic acids research
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Incorporation of non-nucleoside triphosphate analogues opposite to an abasic site by human DNA polymerases beta and lambda.
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Spadari S
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2005
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Nucleic acids research
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DNA elongation by the human DNA polymerase lambda polymerase and terminal transferase activities are differentially coordinated by proliferating cell nuclear antigen and replication protein A.
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Spadari S
|
2005
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The Journal of biological chemistry
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Diketo hexenoic acid derivatives are novel selective non-nucleoside inhibitors of mammalian terminal deoxynucleotidyl transferases, with potent cytotoxic effect against leukemic cells.
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Spadari S
|
2005
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Molecular pharmacology
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Specific targeting highly conserved residues in the HIV-1 reverse transcriptase primer grip region. Design, synthesis, and biological evaluation of novel, potent, and broad spectrum NNRTIs with antiviral activity.
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Spadari S
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2005
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Journal of medicinal chemistry
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Drug resistance mutations in the nucleotide binding pocket of human immunodeficiency virus type 1 reverse transcriptase differentially affect the phosphorolysis-dependent primer unblocking activity in the presence of stavudine and zidovudine and its inhibition by efavirenz.
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Spadari S
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2005
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Antimicrobial agents and chemotherapy
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Human DNA polymerases lambda and beta show different efficiencies of translesion DNA synthesis past abasic sites and alternative mechanisms for frameshift generation.
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Spadari S
|
2004
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Biochemistry
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Gln145Met/Leu changes in human immunodeficiency virus type 1 reverse transcriptase confer resistance to nucleoside and nonnucleoside analogs and impair virus replication.
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Spadari S
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2004
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Antimicrobial agents and chemotherapy
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HIV-1 reverse transcriptase inhibitors: current issues and future perspectives.
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Spadari S
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2004
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Current drug metabolism
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Vif is an auxiliary factor of the HIV-1 reverse transcriptase and facilitates abasic site bypass.
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Spadari S
|
2004
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The Biochemical journal
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Effects of drug resistance mutations L100I and V106A on the binding of pyrrolobenzoxazepinone nonnucleoside inhibitors to the human immunodeficiency virus type 1 reverse transcriptase catalytic complex.
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Spadari S
|
2004
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Antimicrobial agents and chemotherapy
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The human DNA polymerase lambda interacts with PCNA through a domain important for DNA primer binding and the interaction is inhibited by p21/WAF1/CIP1.
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Spadari S
|
2004
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FASEB J
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Human DNA polymerase lambda diverged in evolution from DNA polymerase beta toward specific Mn(++) dependence: a kinetic and thermodynamic study.
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Spadari S
|
2003
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Biochemistry
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Nevirapine resistance mutation at codon 181 of the HIV-1 reverse transcriptase confers stavudine resistance by increasing nucleotide substrate discrimination and phosphorolytic activity.
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Spadari S
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2003
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The Journal of biological chemistry
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Human proliferating cell nuclear antigen, poly(ADP-ribose) polymerase-1, and p21waf1/cip1. A dynamic exchange of partners.
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Spadari S
|
2003
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The Journal of biological chemistry
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Mutagenesis of human DNA polymerase lambda: essential roles of Tyr505 and Phe506 for both DNA polymerase and terminal transferase activities.
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Spadari S
|
2003
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Nucleic acids research
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Combinations against combinations: associations of anti-HIV 1 reverse transcriptase drugs challenged by constellations of drug resistance mutations.
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Spadari S
|
2002
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Current drug metabolism
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Human DNA polymerase lambda functionally and physically interacts with proliferating cell nuclear antigen in normal and translesion DNA synthesis.
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Spadari S
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2002
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The Journal of biological chemistry
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Cell cycle-dependent dynamic association of cyclin/Cdk complexes with human DNA replication proteins.
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Spadari S
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2002
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The EMBO journal
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DNA polymerase theta purified from human cells is a high-fidelity enzyme.
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Spadari S
|
2002
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Journal of molecular biology
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Eukaryotic DNA polymerases.
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Spadari S
|
2002
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Annual review of biochemistry
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Quinoxalinylethylpyridylthioureas (QXPTs) as potent non-nucleoside HIV-1 reverse transcriptase (RT) inhibitors. Further SAR studies and identification of a novel orally bioavailable hydrazine-based antiviral agent.
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Spadari S
|
2001
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Journal of medicinal chemistry
|
The stereoselective targeting of a specific enzyme-substrate complex is the molecular mechanism for the synergic inhibition of HIV-1 reverse transcriptase by (R)-(-)-PPO464: a novel generation of nonnucleoside inhibitors.
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Spadari S
|
2001
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The Journal of biological chemistry
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Replication protein A as a "fidelity clamp" for DNA polymerase alpha.
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Spadari S
|
2001
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The Journal of biological chemistry
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Okazaki fragment processing: modulation of the strand displacement activity of DNA polymerase delta by the concerted action of replication protein A, proliferating cell nuclear antigen, and flap endonuclease-1.
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Spadari S
|
2001
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Proceedings of the National Academy of Sciences of the United States of America
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Potentiation of inhibition of wild-type and mutant human immunodeficiency virus type 1 reverse transcriptases by combinations of nonnucleoside inhibitors and d- and L-(beta)-dideoxynucleoside triphosphate analogs.
|
Spadari S
|
2001
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Antimicrobial agents and chemotherapy
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Anti-(herpes simplex virus) activity of 4'-thio-2'-deoxyuridines: a biochemical investigation for viral and cellular target enzymes.
|
Spadari S
|
2000
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The Biochemical journal
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Non-nucleoside HIV-1 reverse transcriptase inhibitors: synthesis and biological evaluation of novel quinoxalinylethylpyridylthioureas as potent antiviral agents.
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Spadari S
|
2000
|
Antiviral chemistry & chemotherapy
|
Selective interaction of the human immunodeficiency virus type 1 reverse transcriptase nonnucleoside inhibitor efavirenz and its thio-substituted analog with different enzyme-substrate complexes.
|
Spadari S
|
2000
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Antimicrobial agents and chemotherapy
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DNA polymerase switching: I. Replication factor C displaces DNA polymerase alpha prior to PCNA loading.
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Spadari S
|
2000
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Journal of molecular biology
|
Molecular basis for the enantioselectivity of HIV-1 reverse transcriptase: role of the 3'-hydroxyl group of the L-(beta)-ribose in chiral discrimination between D- and L-enantiomers of deoxy- and dideoxy-nucleoside triphosphate analogs.
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Spadari S
|
1999
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Nucleic acids research
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Pyrrolobenzoxazepinone derivatives as non-nucleoside HIV-1 RT inhibitors: further structure-activity relationship studies and identification of more potent broad-spectrum HIV-1 RT inhibitors with antiviral activity.
|
Spadari S
|
1999
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Journal of medicinal chemistry
|
Dual mode of interaction of DNA polymerase epsilon with proliferating cell nuclear antigen in primer binding and DNA synthesis.
|
Spadari S
|
1999
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Journal of molecular biology
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Molecular basis for the antiviral and anticancer activities of unnatural L-beta-nucleosides.
|
Spadari S
|
1998
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Expert opinion on investigational drugs
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Resistance to nevirapine of HIV-1 reverse transcriptase mutants: loss of stabilizing interactions and thermodynamic or steric barriers are induced by different single amino acid substitutions.
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Spadari S
|
1997
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Journal of molecular biology
|
Stereospecificity of human DNA polymerases alpha, beta, gamma, delta and epsilon, HIV-reverse transcriptase, HSV-1 DNA polymerase, calf thymus terminal transferase and Escherichia coli DNA polymerase I in recognizing D- and L-thymidine 5'-triphosphate as substrate.
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Spadari S
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1995
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Nucleic acids research
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Lack of stereospecificity of some cellular and viral enzymes involved in the synthesis of deoxyribonucleotides and DNA: molecular basis for the antiviral activity of unnatural L-beta-nucleosides.
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Spadari S
|
1995
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Biochimie
|
Aphidicolin inhibits in vitro the activity of pseudorabies virus (PRV) DNA polymerase and in vivo the viral proliferation.
|
Spadari S
|
1994
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In Vivo
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Developmental activity profile of DNA polymerases delta and alpha in rat neurons suggests a coordinated in vivo function.
|
Spadari S
|
1992
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In vivo (Athens, Greece)
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HP 0.35, a cephalosporin degradation product is a specific inhibitor of lentiviral RNAses H.
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Spadari S
|
1991
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Nucleic acids research
|
Specific inhibition of human DNA ligase adenylation by a distamycin derivative possessing antitumor activity.
|
Spadari S
|
1991
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Nucleic acids research
|
Revised nomenclature for eukaryotic DNA polymerases.
|
Spadari S
|
1990
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Eur J Biochem
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Effect of divalent and monovalent cations on calf thymus PCNA-independent DNA polymerase delta and its 3'----5' exonuclease.
|
Spadari S
|
1990
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FEBS letters
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Activity profiles of enzymes that control the uracil incorporation into DNA during neuronal development.
|
Spadari S
|
1990
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Mutation research
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Calf thymus DNA polymerase delta independent of proliferating cell nuclear antigen (PCNA).
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Spadari S
|
1989
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Nucleic acids research
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Do DNA polymerases delta and alpha act coordinately as leading and lagging strand replicases?
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Spadari S
|
1988
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FEBS letters
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Calf thymus DNA polymerase delta: purification, biochemical and functional properties of the enzyme after its separation from DNA polymerase alpha, a DNA dependent ATPase and proliferating cell nuclear antigen.
|
Spadari S
|
1988
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Nucleic acids research
|
Replication of single-stranded porcine circovirus DNA by DNA polymerases alpha and delta.
|
Spadari S
|
1988
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Biochimica et biophysica acta
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Mammalian DNA polymerase alpha: a replication-competent holoenzyme form from calf thymus.
|
Spadari S
|
1987
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Philosophical transactions of the Royal Society of London. Series B, Biological sciences
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Betalactam antibiotics interfere with eukaryotic DNA-replication by inhibiting DNA polymerase alpha.
|
Spadari S
|
1987
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Nucleic acids research
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Differential incorporation of thymidylate analogues into DNA by DNA polymerase alpha and by DNA polymerases specified by two herpes simplex viruses.
|
Spadari S
|
1982
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The Journal of general virology
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Aphidicolin does not inhibit DNA repair synthesis in ultraviolet-irradiated HeLa cells. A radioautographic study.
|
Spadari S
|
1981
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The Biochemical journal
|
An autoradiographic demonstration of nuclear DNA replication by DNA polymerase alpha and of mitochondrial DNA synthesis by DNA polymerase gamma.
|
Spadari S
|
1981
|
Nucleic acids research
|
Functional roles of the plant alpha-like and gamma-like DNA polymerases.
|
Spadari S
|
1981
|
FEBS letters
|
A gamma-like DNA polymerase in spinach chloroplasts.
|
Spadari S
|
1980
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European journal of biochemistry / FEBS
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Mechanism of inhibition of herpes simplex virus and vaccinia virus DNA polymerases by aphidicolin, a highly specific inhibitor of DNA replication in eucaryotes.
|
Spadari S
|
1980
|
Journal of virology
|
DNA polymerase gamma, cytochrome c oxidase and mitochondrial integrity in rabbit spleen lymphocytes stimulated with concanavalin A.
|
Spadari S
|
1980
|
Exp Cell Res
|
Synchronization of HeLa cell cultures by inhibition of DNA polymerase alpha with aphidicolin.
|
Spadari S
|
1980
|
Nucleic acids research
|
Specific and reversible inhibition by aphidicolin in the alpha-like DNA polymerase of plant cells.
|
Spadari S
|
1980
|
FEBS letters
|
Functions of DNA polymerases alpha, beta, and gamma in neurons during development.
|
Spadari S
|
1979
|
Cold Spring Harbor symposia on quantitative biology
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DNA polymerase beta from brain neurons is a repair enzyme.
|
Spadari S
|
1979
|
European journal of biochemistry / FEBS
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Effect of aphidicolin on viral and human DNA polymerases.
|
Spadari S
|
1979
|
Biochemical and biophysical research communications
|
Enhancement of the rate of DNA polymerase-alpha activity on duplex DNA by a DNA-binding protein and a DNA-dependent ATPase of mammalian cells.
|
Spadari S
|
1979
|
Cold Spring Harbor symposia on quantitative biology
|
Functional roles of DNA polymerases beta and gamma.
|
Spadari S
|
1979
|
Proceedings of the National Academy of Sciences of the United States of America
|
DNA polymerase alpha, beta and gamma activities in rabbit spleen cell populations stimulated by various doses of concanavalin A.
|
Spadari S
|
1978
|
Exp Cell Res
|
Variation of DNA polymerases-alpha, -beta. and -gamma during perinatal tissue growth and differentiation.
|
Spadari S
|
1977
|
Nucleic acids research
|
Identity of DNA polymerase gamma from synaptosomal mitochondria and rat-brain nuclei.
|
Spadari S
|
1977
|
European journal of biochemistry / FEBS
|
Variations of DNA polymerase-alpha and -beta during prolonged stimulation of human lymphocytes.
|
Spadari S
|
1976
|
Proceedings of the National Academy of Sciences of the United States of America
|
RNA-primed DNA synthesis: specific catalysis by HeLa cell DNA polymerase alpha.
|
Spadari S
|
1975
|
Proceedings of the National Academy of Sciences of the United States of America
|
The dissimilitude of the low and high molecular weight deoxyribonucleic acid-dependent deoxyribonucleic acid polymerases of HeLa cells.
|
Spadari S
|
1974
|
The Journal of biological chemistry
|
HeLa cell R-deoxyribonucleic acid polymerases. Separation and characterization of two enzymatic activities.
|
Spadari S
|
1974
|
The Journal of biological chemistry
|
The interrelation between DNA synthesis and various DNA polymerase activities in synchronized HeLa cells.
|
Spadari S
|
1974
|
Journal of molecular biology
|