2024
Proof-of-concept studies with a computationally designed Mpro inhibitor as a synergistic combination regimen alternative to Paxlovid
Papini C, Ullah I, Ranjan A, Zhang S, Wu Q, Spasov K, Zhang C, Mothes W, Crawford J, Lindenbach B, Uchil P, Kumar P, Jorgensen W, Anderson K. Proof-of-concept studies with a computationally designed Mpro inhibitor as a synergistic combination regimen alternative to Paxlovid. Proceedings Of The National Academy Of Sciences Of The United States Of America 2024, 121: e2320713121. PMID: 38621119, PMCID: PMC11046628, DOI: 10.1073/pnas.2320713121.Peer-Reviewed Original ResearchConceptsDirect-acting antiviralsSARS-CoV-2Lack of off-target effectsIn vitro pharmacological profileTreatment of patientsDevelopment of severe symptomsPharmacological propertiesDrug-drug interactionsSARS-CoV-2 infectionProof-of-concept studySARS-CoV-2 M<sup>pro</sup>.Combination regimenImmunocompromised patientsLead compoundsSARS-CoV-2 main proteaseOral doseActive drugTreat infectionsPharmacological profileSARS-CoV-2 MPotential preclinical candidateOff-target effectsPatientsComplete recoveryCapsule formulation
2023
A High-Throughput, High-Containment Human Primary Epithelial Airway Organ-on-Chip Platform for SARS-CoV-2 Therapeutic Screening
Fisher C, Medie F, Luu R, Gaibler R, Mulhern T, Miller C, Zhang C, Rubio L, Marr E, Vijayakumar V, Gabriel E, Quezada L, Zhang C, Anderson K, Jorgensen W, Alladina J, Medoff B, Borenstein J, Gard A. A High-Throughput, High-Containment Human Primary Epithelial Airway Organ-on-Chip Platform for SARS-CoV-2 Therapeutic Screening. Cells 2023, 12: 2639. PMID: 37998374, PMCID: PMC10669988, DOI: 10.3390/cells12222639.Peer-Reviewed Original ResearchConceptsChip platformHigh-throughput organSARS-CoV-2 infectionHigh throughputScreening applicationsDisease modelingEfficacy of remdesivirNative virusRobust viral replicationSARS-CoV-2Therapeutic screeningPlatformRapid developmentAntiviral effectLung tissuePreclinical modelsEfficacious vaccineHuman donorsViral replicationEffective therapeuticsPlaque assayAntiviral studiesWorldwide pandemicThroughputRT-qPCR
2004
Relationship between Antiviral Activity and Host Toxicity: Comparison of the Incorporation Efficiencies of 2′,3′-Dideoxy-5-Fluoro-3′-Thiacytidine-Triphosphate Analogs by Human Immunodeficiency Virus Type 1 Reverse Transcriptase and Human Mitochondrial DNA Polymerase
Feng J, Murakami E, Zorca S, Johnson A, Johnson K, Schinazi R, Furman P, Anderson K. Relationship between Antiviral Activity and Host Toxicity: Comparison of the Incorporation Efficiencies of 2′,3′-Dideoxy-5-Fluoro-3′-Thiacytidine-Triphosphate Analogs by Human Immunodeficiency Virus Type 1 Reverse Transcriptase and Human Mitochondrial DNA Polymerase. Antimicrobial Agents And Chemotherapy 2004, 48: 1300-1306. PMID: 15047533, PMCID: PMC375312, DOI: 10.1128/aac.48.4.1300-1306.2004.Peer-Reviewed Original ResearchConceptsHuman mitochondrial DNA polymeraseMitochondrial DNA polymeraseDNA-DNAPolymerase gammaHuman immunodeficiency virusDNA polymerasePrimer-templateHuman mitochondrial DNA polymerase gammaPre-steady-state kinetic analysisMitochondrial DNA polymerase gammaDNA polymerase gammaMolecular mechanism of inhibitionHIV-1Treatment of human immunodeficiency virusExonuclease activityDNA-RNAReverse transcriptaseFood and Drug AdministrationClinical trial studyMolecular mechanismsMechanism of inhibitionHuman immunodeficiency virus type 1 reverse transcriptaseEnzymatic assayImmunodeficiency virusPolymerase
1996
HIV-1 Reverse Transcriptase Resistance to Nonnucleoside Inhibitors †
Spence R, Anderson K, Johnson K. HIV-1 Reverse Transcriptase Resistance to Nonnucleoside Inhibitors †. Biochemistry 1996, 35: 1054-1063. PMID: 8547241, DOI: 10.1021/bi952058+.Peer-Reviewed Original ResearchConceptsMutant enzymesPre-steady-state techniquesSingle nucleotide incorporationWild-type complexMaximum incorporation rateNucleotide incorporationEnzyme complexDuplex DNAAffinity 2Cysteine mutationsTwo-step bindingWild-typeConformational changesDecreased affinityEnzymePresence of nevirapineInhibitor resistanceMutationsIncorporation rateY181C mutationWild-type RTReverse transcriptaseHIV-1NevirapineY181C
1995
Mechanism of Inhibition of HIV-1 Reverse Transcriptase by Nonnucleoside Inhibitors
Spence R, Kati W, Anderson K, Johnson K. Mechanism of Inhibition of HIV-1 Reverse Transcriptase by Nonnucleoside Inhibitors. Science 1995, 267: 988-993. PMID: 7532321, PMCID: PMC7526747, DOI: 10.1126/science.7532321.Peer-Reviewed Original ResearchConceptsActive site catalytic residuesPre-steady-state kinetic analysisNucleotide-induced conformational changesInterfere with nucleotide bindingPre-steady-state burstEnzyme-DNA complexPre-steady-stateReverse transcriptasePresence of saturating concentrationsCatalytic residuesNucleotide bindingNucleoside triphosphatesDNA polymerizationNucleotide analogsHydrophobic pocketMechanism of inhibitionNonnucleoside inhibitorsConformational changesNoncompetitive inhibitorInhibition of HIV-1 reverse transcriptaseKinetic analysisHIV-1 reverse transcriptaseSaturating concentrationsTranscriptaseInhibitors