2024
Native-state proteomics of Parvalbumin interneurons identifies unique molecular signatures and vulnerabilities to early Alzheimer’s pathology
Kumar P, Goettemoeller A, Espinosa-Garcia C, Tobin B, Tfaily A, Nelson R, Natu A, Dammer E, Santiago J, Malepati S, Cheng L, Xiao H, Duong D, Seyfried N, Wood L, Rowan M, Rangaraju S. Native-state proteomics of Parvalbumin interneurons identifies unique molecular signatures and vulnerabilities to early Alzheimer’s pathology. Nature Communications 2024, 15: 2823. PMID: 38561349, PMCID: PMC10985119, DOI: 10.1038/s41467-024-47028-7.Peer-Reviewed Original ResearchMeSH KeywordsAlzheimer DiseaseAnimalsHumansInterneuronsMiceMice, TransgenicParvalbuminsProteomeProteomicsConceptsBiotinylation of proteinsAlzheimer's diseasePre-synaptic defectsDecreased mTOR signalingAD pathogenesisAD riskCytoskeletal disruptionProteomic alterationsTranslational activityMolecular insightsMTOR signalingProteomic findingsProteomicsProteomic signatureMolecular signaturesProteinOver-representedProgressive neuropathologyAlzheimer pathologyMouse modelPV-INsParvalbumin interneuronsMitochondriaAssociated with cognitive declineFast-spiking parvalbumin interneurons
2020
Peripheral Myeloid Cell EP2 Activation Contributes to the Deleterious Consequences of Status Epilepticus
Varvel N, Espinosa-Garcia C, Hunter-Chang S, Chen D, Biegel A, Hsieh A, Blackmer-Raynolds L, Ganesh T, Dingledine R. Peripheral Myeloid Cell EP2 Activation Contributes to the Deleterious Consequences of Status Epilepticus. Journal Of Neuroscience 2020, 41: 1105-1117. PMID: 33293358, PMCID: PMC7880294, DOI: 10.1523/jneurosci.2040-20.2020.Peer-Reviewed Original ResearchConceptsBlood-brain barrierImmune myeloid cellsEP2 receptorInnate immune cellsStatus epilepticusEP2 antagonismProstaglandin EP2 receptorBlood-borne monocytesMyeloid cellsImmune cellsConsequences of seizuresBrain infiltrationInflammatory cytokinesFormation of inflammatory cytokinesConditional KOInflammatory responsePeripheral innate immune cellsActivation of EP2 receptorsQuality of lifeEP2 receptor antagonistRecruitment of blood-borne monocytesSerum albumin levelPeripheral immune cellsConsequences of status epilepticusHippocampal IL-6