2022
Correlation between CD4/CD8 ratio and neurocognitive performance during early HIV infection
Le LT, Price RW, Gisslén M, Zetterberg H, Emu B, Fabre R, Christian P, Andersen S, Spudich S, Vassallo M. Correlation between CD4/CD8 ratio and neurocognitive performance during early HIV infection. HIV Medicine 2022, 24: 442-452. PMID: 36134890, DOI: 10.1111/hiv.13411.Peer-Reviewed Original ResearchConceptsCD4/CD8 ratioPrimary HIV infectionCD8 ratioImmune activationHIV infectionNeuronal injuryAntiretroviral treatmentNeurocognitive performanceMean CD4/CD8 ratioCSF neurofilament light chainART-naïve participantsEarly HIV infectionCerebrospinal fluid markersNeurofilament light chainNeuropsychological testing performancePsychomotor speed performancePHI participantsStudy cohortCSF markersChronic infectionBrain injuryRetrospective analysisFluid markersInfectionInjuryImmunological, Cognitive, and Psychiatric Outcomes After Initiating Efavirenz- and Dolutegravir-based Antiretroviral Therapy During Acute Human Immunodeficiency Virus Infection
Chan P, Yoon B, Colby D, Kroon E, Sacdalan C, Sriplienchan S, Pinyakorn S, Ananworanich J, Valcour V, Vasan S, Hsu D, Phanuphak N, Paul R, Spudich S. Immunological, Cognitive, and Psychiatric Outcomes After Initiating Efavirenz- and Dolutegravir-based Antiretroviral Therapy During Acute Human Immunodeficiency Virus Infection. Clinical Infectious Diseases 2022, 76: e718-e726. PMID: 35687498, PMCID: PMC9907536, DOI: 10.1093/cid/ciac466.Peer-Reviewed Original ResearchConceptsAcute HIV-1 infectionT-cell countsDTG-based antiretroviral therapyAntiretroviral therapyDTG groupEFV groupWeek 96Week 24CD4/CD8 ratioNucleoside reverse transcriptase inhibitorHuman immunodeficiency virus type 1Immunodeficiency virus type 1Fiebig stages IPlasma viral suppressionAcute HIV infectionTreatment-naive individualsHIV-1 infectionPatient Health QuestionnaireReverse transcriptase inhibitorVirus type 1Greater incrementART regimensCD8 ratioViral suppressionHIV infection
2021
Abrupt and altered cell-type specific DNA methylation profiles in blood during acute HIV infection persists despite prompt initiation of ART
Corley MJ, Sacdalan C, Pang APS, Chomchey N, Ratnaratorn N, Valcour V, Kroon E, Cho KS, Belden AC, Colby D, Robb M, Hsu D, Spudich S, Paul R, Vasan S, Ndhlovu LC, . Abrupt and altered cell-type specific DNA methylation profiles in blood during acute HIV infection persists despite prompt initiation of ART. PLOS Pathogens 2021, 17: e1009785. PMID: 34388205, PMCID: PMC8386872, DOI: 10.1371/journal.ppat.1009785.Peer-Reviewed Original ResearchConceptsAntiretroviral therapyT lymphocytesCD4/CD8 ratioHIV infection cohortHost epigenetic landscapeAcute HIV infectionSpecific DNA methylation profileInfection cohortInfection HIVCD4 countCD8 ratioHIV infectionPrompt initiationViral loadHIV medicineViral persistenceEarly initiationT cellsHIV-1Disease pathogenesisClinical phenotypeMonocytesCD4HIVLymphocytes
2020
Determinants of suboptimal CD4+ T cell recovery after antiretroviral therapy initiation in a prospective cohort of acute HIV‐1 infection
Handoko R, Colby DJ, Kroon E, Sacdalan C, de Souza M, Pinyakorn S, Prueksakaew P, Munkong C, Ubolyam S, Akapirat S, Chiarella J, Krebs S, Sereti I, Valcour V, Paul R, Michael NL, Phanuphak N, Ananworanich J, Spudich S, Team T. Determinants of suboptimal CD4+ T cell recovery after antiretroviral therapy initiation in a prospective cohort of acute HIV‐1 infection. Journal Of The International AIDS Society 2020, 23: e25585. PMID: 32949118, PMCID: PMC7507109, DOI: 10.1002/jia2.25585.Peer-Reviewed Original ResearchConceptsAcute HIV infectionCD4/CD8 ratioSuboptimal CD4 recoveryAntiretroviral therapyCD4 countImmune recoveryCD4 recoveryCD8 ratioStudy visitAcute HIV-1 infectionPre-ART CD4 countLower CD8 countsPlasma viral suppressionSuboptimal immune recoveryAntiretroviral therapy initiationT-cell countsT-cell recoveryHIV-1 infectionCopies/mLLower IL-6Cells/ART initiationCD4 rateCD8 countsChronic HIV
2018
Distribution of Human Immunodeficiency Virus (HIV) Ribonucleic Acid in Cerebrospinal Fluid and Blood Is Linked to CD4/CD8 Ratio During Acute HIV
Chan P, Patel P, Hellmuth J, Colby DJ, Kroon E, Sacdalan C, Pinyakorn S, Jagodzinski L, Krebs S, Ananworanich J, Valcour V, Spudich S, Team R. Distribution of Human Immunodeficiency Virus (HIV) Ribonucleic Acid in Cerebrospinal Fluid and Blood Is Linked to CD4/CD8 Ratio During Acute HIV. The Journal Of Infectious Diseases 2018, 218: 937-945. PMID: 29741638, PMCID: PMC6093332, DOI: 10.1093/infdis/jiy260.Peer-Reviewed Original ResearchConceptsCD4/CD8 ratioCSF HIV RNAHIV RNACD8 ratioCerebrospinal fluidHIV infectionHuman immunodeficiency virus ribonucleic acidCerebrospinal fluid (CSF) immune markersLog10 copies/mLStage I/IIHuman immunodeficiency virus (HIV) RNAChronic HIV infectionHigher CSF neopterinAcute HIV infectionPlasma HIV RNACopies/mLHuman immunodeficiency virus ribonucleic acid levelsRibonucleic acid levelsVirus ribonucleic acidAcute HIVCSF neopterinSCD14 levelsAcute infectionMedian ageImmune markers
2016
Putamen volume and its clinical and neurological correlates in primary HIV infection
Wright PW, Pyakurel A, Vaida FF, Price RW, Lee E, Peterson J, Fuchs D, Zetterberg H, Robertson KR, Walter R, Meyerhoff DJ, Spudich SS, Ances BM. Putamen volume and its clinical and neurological correlates in primary HIV infection. AIDS 2016, 30: 1789-1794. PMID: 27045376, PMCID: PMC4925211, DOI: 10.1097/qad.0000000000001103.Peer-Reviewed Original ResearchConceptsEarly HIV infectionHIV infectionPutamen volumeCerebrospinal fluidCD4/CD8 ratioCentral nervous system changesCross-sectional neuroimaging studiesTrajectory of HIVCD4 cell countPrimary HIV infectionCortical white matterTotal gray matterNervous system changesEarly HIVFreeSurfer 5.1CD8 ratioT1 MRI scansNeuropsychometric testsNatural coursePHI groupCorpus callosumInterventional strategiesInfection durationNeuropsychological testingVolumetric alterationsVirological and immunological characteristics of HIV-infected individuals at the earliest stage of infection
Ananworanich J, Sacdalan CP, Pinyakorn S, Chomont N, Souza M, Luekasemsuk T, Schuetz A, Krebs SJ, Dewar R, Jagodzinski L, Ubolyam S, Trichavaroj R, Tovanabutra S, Spudich S, Valcour V, Sereti I, Michael N, Robb M, Phanuphak P, Kim JH, Phanuphak N, Group O. Virological and immunological characteristics of HIV-infected individuals at the earliest stage of infection. Journal Of Virus Eradication 2016, 2: 43-48. PMID: 26889497, PMCID: PMC4754199, DOI: 10.1016/s2055-6640(20)30688-9.Peer-Reviewed Original ResearchCD4/CD8 ratioAcute HIV infectionWeeks of ARTCD4 cell countFiebig ICD8 ratioT cellsThai Red Cross Anonymous ClinicCell countEarly acute HIV infectionPlasma interleukin-6 levelsImmune activation levelsLow HIV burdenLow HIV RNALow immune activationMedian HIV DNAPlasma sCD14 levelsMedian CD4 countInterleukin-6 levelsYears of ARTI individualsAHI participantsAnonymous ClinicFiebig stagesCD4 count