Adjunct Faculty
Adjunct faculty typically have an academic or research appointment at another institution and contribute or collaborate with one or more School of Medicine faculty members or programs.
Adjunct rank detailsJuan Young, MD, MHS
Assistant Professor AdjunctAbout
Research
Publications
2025
Cerebrospinal fluid and brain positron emission tomography measures of synaptic vesicle glycoprotein 2A: Biomarkers of synaptic density in Alzheimer's disease
Mecca A, Ashton N, Chen M, O'Dell R, Toyonaga T, Zhao W, Young J, Salardini E, Bates K, Ra J, Goodcase S, Silva‐Rudberg J, Nabulsi N, Brinkmalm A, Kvartsberg H, Schöll M, Nilsson J, Arnsten A, Huang Y, Hansson O, Zetterberg H, Carson R, Blennow K, van Dyck C. Cerebrospinal fluid and brain positron emission tomography measures of synaptic vesicle glycoprotein 2A: Biomarkers of synaptic density in Alzheimer's disease. Alzheimer's & Dementia 2025, 21: e70344. PMID: 40491249, PMCID: PMC12149441, DOI: 10.1002/alz.70344.Peer-Reviewed Original ResearchConceptsSynaptic vesicle glycoprotein 2APositron emission tomographyAlzheimer's diseaseSynaptic densityEnzyme-linked immunosorbent assayC]UCB-J positron emission tomographyPositron emission tomography measurementsEmission tomographyAxonal proteinsCN participantsImmunosorbent assaySymptomatic Alzheimer's diseaseAD groupProteinAssayParticipantsSV2AAlzheimerCerebrospinal fluidBrainInvestigate associationsCerebrospinal fluid assaysSV2A positron emission tomography
2024
Validation of a Simplified Tissue-to-Reference Ratio Measurement Using SUVR to Assess Synaptic Density Alterations in Alzheimer Disease with [11C]UCB-J PET
Young J, O’Dell R, Naganawa M, Toyonaga T, Chen M, Nabulsi N, Huang Y, Cooper E, Miller A, Lam J, Bates K, Ruan A, Nelsen K, Salardini E, Carson R, van Dyck C, Mecca A. Validation of a Simplified Tissue-to-Reference Ratio Measurement Using SUVR to Assess Synaptic Density Alterations in Alzheimer Disease with [11C]UCB-J PET. Journal Of Nuclear Medicine 2024, 65: jnumed.124.267419. PMID: 39299782, PMCID: PMC11533916, DOI: 10.2967/jnumed.124.267419.Peer-Reviewed Original ResearchDistribution volume ratioSUV ratioSynaptic densityEffect sizeAlzheimer's diseaseLongitudinal study of Alzheimer's diseaseMethods: ParticipantsLongitudinal studyMeasure synaptic densityAD participantsStudy of Alzheimer's diseaseNormal cognitionReference regionOlder adultsMulticenterDensity alterationsIL-1 receptor 1 signaling shapes the development of viral antigen-specific CD4+ T cell responses following COVID-19 mRNA vaccination
Park H, Shin M, Shin J, Kim H, Kang B, Par-Young J, Unlu S, Afinogenova Y, Catanzaro J, Young J, Kim M, Lee S, Jeon S, You S, Racke M, Bucala R, Kang I. IL-1 receptor 1 signaling shapes the development of viral antigen-specific CD4+ T cell responses following COVID-19 mRNA vaccination. EBioMedicine 2024, 103: 105114. PMID: 38640835, PMCID: PMC11041015, DOI: 10.1016/j.ebiom.2024.105114.Peer-Reviewed Original ResearchConceptsCD4+ T cellsCOVID-19 mRNA vaccinesAntigen-specific CD4+ T cell responsesT cell responsesPrimary antibody deficiencyCD4+ T cell responsesT cellsIL-1R1MRNA vaccinesIL-1IgG antibodiesAntigen-specific CD4+ T cellsCD4+ T cell responsesLevels of IL-1R1Human CD4+ T cellsIL-1 receptor 1Healthy individualsDose of COVID-19 mRNA vaccineAntigen-specific CD4IL-1R1 expressionT cell immunityRepetitive antigenic stimulationCytokines interleukin (IL)-1Immune response to virusesExpression of IL-1R1
2023
Aging gene signature of memory CD8+ T cells is associated with neurocognitive functioning in Alzheimer’s disease
Young J, Park H, Kim M, Par-Young J, Bartlett H, Kim H, Unlu S, Osmani L, Shin M, Bucala R, van Dyck C, Allore H, Mecca A, You S, Kang I. Aging gene signature of memory CD8+ T cells is associated with neurocognitive functioning in Alzheimer’s disease. Immunity & Ageing 2023, 20: 71. PMID: 38042785, PMCID: PMC10693128, DOI: 10.1186/s12979-023-00396-y.Peer-Reviewed Original ResearchPeripheral bloodT cellsAlzheimer's diseaseEM CD8Memory CD8Gene signatureAge-related immune changesIL-7 receptor alphaEffector memory CD8Strong risk factorT cell expansionAD genesAge-associated expansionImmune changesRisk factorsCD8Dementia patientsIL-7RNeuropsychological testingReceptor alphaNeurocognitive functionRT-qPCR resultsDisease severityPatientsNormal personsModulating IL-1β and its receptors shapes spike-specific CD4+ T cell responses to mRNA vaccination
Park H, Shin M, Shin J, Kim H, Kang B, Par-Young J, Unlu S, Afinogenova Y, Catanzaro J, Young J, Kim M, Lee S, You S, Racke M, Bucala R, Kang I. Modulating IL-1β and its receptors shapes spike-specific CD4+ T cell responses to mRNA vaccination. The Journal Of Immunology 2023, 210: 159.20-159.20. DOI: 10.4049/jimmunol.210.supp.159.20.Peer-Reviewed Original ResearchCOVID-19 mRNA vaccinesT cellsIL-1βIL-1R2MRNA vaccinesIL-1 receptor 1IL-1R1 expressionIL-1R2 expressionSpike-specific CD4Vaccine-induced CD4T cell immunityT cell responsesSpecific antibody productionMRNA vaccinationCell immunityDurable immunityIL-1R1IL-1BCD4Healthy individualsQuest DiagnosticsAntibody productionCell responsesReceptor 1Receptor system
2022
Implication of IL-7 receptor alpha chain expression by CD8+ T cells and its signature in defining biomarkers in aging
Shin M, Park H, Young J, Kang I. Implication of IL-7 receptor alpha chain expression by CD8+ T cells and its signature in defining biomarkers in aging. Immunity & Ageing 2022, 19: 66. PMID: 36544153, PMCID: PMC9768896, DOI: 10.1186/s12979-022-00324-6.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsT cellsImmune agingHost defenseIL-7 receptor alpha chainFrequencies of naïveT cell subsetsAlpha chain expressionAssociation of CD8Age-associated conditionsReceptor alpha chainMemory CD8Treatment of illnessCell subsetsInflammatory disordersIL-7RαCD8High riskImmune functionTherapeutic interventionsImmune systemPotential biomarkersGene signatureChain expressionOlder adultsBiomarkers
2019
Antidepressants for Anxiety Disorders in Late-Life: A Systematic Review
Balasubramaniam M, Joshi P, Alag P, Gupta S, Maher S, Tampi D, Gupta A, Young J, Tampi R. Antidepressants for Anxiety Disorders in Late-Life: A Systematic Review. Annals Of Clinical Psychiatry 2019, 31: 8-22. DOI: 10.1177/154733251903100314.Peer-Reviewed Original ResearchTreating anxiety disordersLate-life anxietyAnxiety disordersRandomized controlled trials of antidepressantsTolerability of antidepressantsLate-lifeRandomized Controlled TrialsEvaluate antidepressantsAnxiety symptomsAntidepressantsAnxietyLate lifeDisordersOlder adultsControlled TrialsCochrane Central Register of Controlled TrialsCentral Register of Controlled TrialsCentre for Evidence-Based MedicineRegister of Controlled TrialsCochrane Central RegisterLong-term useBibliographic databases PubMedEscitalopramCitalopramParoxetineEvidence-Based Pharmacological Management and Treatment of Behavioral and Psychological Symptoms of Dementia
Young J. Evidence-Based Pharmacological Management and Treatment of Behavioral and Psychological Symptoms of Dementia. American Journal Of Psychiatry Residents Journal 2019, 14: 3-5. DOI: 10.1176/appi.ajp-rj.2019.140602.Peer-Reviewed Original ResearchPersonality and the risk factors for developing behavioral and psychological symptoms of dementia: a narrative review
Young JJ, Balachandran S, Garg G, Balasubramaniam M, Gupta A, Tampi DJ, Tampi RR. Personality and the risk factors for developing behavioral and psychological symptoms of dementia: a narrative review. Neurodegenerative Disease Management 2019, 9: 107-118. PMID: 30998118, DOI: 10.2217/nmt-2018-0044.Peer-Reviewed Original ResearchAlcohol use disorder: How best to screen and intervene.
Dasarathy J, Young J, Chhatlani A, Raddock M, Tampi R. Alcohol use disorder: How best to screen and intervene. The Journal Of Family Practice 2019, 68: 35-39. PMID: 30724900.Peer-Reviewed Original ResearchConceptsAlcohol intake
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