2024
Noninvasive Gamma Sensory Stimulation May Reduce White Matter and Myelin Loss in Alzheimer’s Disease
Da X, Hempel E, Ou Y, Rowe O, Malchano Z, Hajós M, Kern R, Megerian J, Cimenser A. Noninvasive Gamma Sensory Stimulation May Reduce White Matter and Myelin Loss in Alzheimer’s Disease. Journal Of Alzheimer’s Disease 2024, 97: 359-372. PMID: 38073386, PMCID: PMC10789351, DOI: 10.3233/jad-230506.Peer-Reviewed Original ResearchConceptsWhite matter atrophyActive treatment participantsMatter atrophyAlzheimer's diseaseMyelin lossTreatment participantsWhite matterNeuronal network functionT2-weighted MRIEarly disease interventionMRI outcomesClinical trialsEntorhinal regionWhite matter structuresHz stimulationMagnetic resonance imaging dataAfferent connectionsInclusion criteriaTherapeutic approachesAtrophySensory stimulationVolume assessmentDisease interventionDiseaseMyelin content
2023
Lobe‐specific changes in white matter volume and myelination following 6‐month 40 Hz gamma sensory stimulation in patients on the Alzheimer’s disease spectrum
Cimenser A, Da X, Hempel E, Malchano Z, Vaughan B, Megerian J, Hajos M. Lobe‐specific changes in white matter volume and myelination following 6‐month 40 Hz gamma sensory stimulation in patients on the Alzheimer’s disease spectrum. Alzheimer's & Dementia 2023, 19 DOI: 10.1002/alz.073143.Peer-Reviewed Original ResearchWhite matter volumeAlzheimer's diseaseWhite matterPlacebo groupTemporal lobeMatter volumeFrontal lobeParietal lobeWhite matter atrophyGray matter changesMRI T1 imagesTreatment group resultsMonth 3Month 6Neurological comorbiditiesT1w/T2w ratioMatter atrophyAD patientsMagnetic resonance imaging dataPathological changesOccipital lobePlacebo participantsMatter changesNeuronal activityTreatment groups
2022
Gamma Sensory Stimulation at 40Hz for a 6‐month Period Reduces White Matter Atrophy in Alzheimer’s Disease Patients
Da X, Hempel E, Mrozak H, Malchano Z, Vaughan B, Megerian J, Hajos M, Cimenser A. Gamma Sensory Stimulation at 40Hz for a 6‐month Period Reduces White Matter Atrophy in Alzheimer’s Disease Patients. Alzheimer's & Dementia 2022, 18 DOI: 10.1002/alz.063354.Peer-Reviewed Original ResearchWhite matter atrophyMagnetic resonance imagingWhite matter volumeDisease patientsMatter atrophyAD patientsAlzheimer's disease patientsWhite matterMatter volumeOligodendrocyte damageTreatment group participantsSensory stimulationTreatment groupsAdvanced magnetic resonance imagingStructural magnetic resonance imagingAD disease progressionWhite matter degenerationProgression of ADGroup participantsTesla magnetic resonance imagingLarge control groupAuditory-visual stimulationSensory stimulation therapyPlacebo groupClinical presentationThe microRNA processor DROSHA is a candidate gene for a severe progressive neurological disorder
Barish S, Senturk M, Schoch K, Minogue AL, Lopergolo D, Fallerini C, Harland J, Seemann JH, Stong N, Kranz PG, Kansagra S, Mikati MA, Jasien J, El-Dairi M, Galluzzi P, Acosta M, Adam M, Adams D, Agrawal P, Alejandro M, Alvey J, Amendola L, Andrews A, Ashley E, Azamian M, Bacino C, Bademci G, Baker E, Balasubramanyam A, Baldridge D, Bale J, Bamshad M, Barbouth D, Bayrak-Toydemir P, Beck A, Beggs A, Behrens E, Bejerano G, Bennet J, Berg-Rood B, Bernstein J, Berry G, Bican A, Bivona S, Blue E, Bohnsack J, Bonnenmann C, Bonner D, Botto L, Boyd B, Briere L, Brokamp E, Brown G, Burke E, Burrage L, Butte M, Byers P, Byrd W, Carey J, Carrasquillo O, Chang T, Chanprasert S, Chao H, Clark G, Coakley T, Cobban L, Cogan J, Coggins M, Cole F, Colley H, Cooper C, Cope H, Craigen W, Crouse A, Cunningham M, D'Souza P, Dai H, Dasari S, Davids M, Dayal J, Deardorff M, Dell'Angelica E, Dhar S, Dipple K, Doherty D, Dorrani N, Douine E, Draper D, Duncan L, Earl D, Eckstein D, Emrick L, Eng C, Esteves C, Estwick T, Falk M, Fernandez L, Ferreira C, Fieg E, Findley L, Fisher P, Fogel B, Forghani I, Fresard L, GahlIan-Glass W, Godfrey R, Golden-Grant K, Goldman A, Goldstein D, Grajewski A, Groden C, Gropman A, Gutierrez I, Hahn S, Hamid R, Hanchard N, Hassey K, Hayes N, High F, Hing A, Hisama F, Holm I, Hom J, Horike-Pyne M, Huang A, Huang Y, Isasi R, Jamal F, Jarvik G, Jarvik J, Jayadev S, Johnston J, Karaviti L, Kelley E, Kennedy J, Kiley D, Kohane I, Kohler J, Krakow D, Krasnewich D, Kravets E, Korrick S, Koziura M, Krier J, Lalani S, Lam B, Lam C, Lanpher B, Lanza I, Lau C, LeBlanc K, Lee B, Lee H, Levitt R, Lewis R, Lincoln S, Liu P, Liu X, Longo N, Loo S, Loscalzo J, Maas R, Macnamara E, MacRae C, Maduro V, Majcherska M, Mak B, Malicdan M, Mamounas L, Manolio T, Mao R, Maravilla K, Markello T, Marom R, Marth G, Martin B, Martin M, Martínez-Agosto J, Marwaha S, McCauley J, McConkie-Rosell A, McCormack C, McCray A, McGee E, Mefford H, Merritt J, Might M, Mirzaa G, Morava E, Moretti P, Morimoto M, Mulvihill J, Murdock D, Nakano-Okuno M, Nath A, Nelson S, Newman J, Nicholas S, Nickerson D, Nieves-Rodriguez S, Novacic D, Oglesbee D, Orengo J, Pace L, Pak S, Pallais J, Palmer C, Papp J, Parker N, Phillips III J, Posey J, Potocki L, Pusey B, Quinlan A, Raskind W, Raja A, Rao D, Renteria G, Reuter C, Rives L, Robertson A, Rodan L, Rosenfeld J, Rosenwasser N, Ruzhnikov M, Sacco R, Sampson J, Samson S, Saporta M, Scott C, Schaechter J, Schedl T, Schoch K, Scott D, Sharma P, Shashi V, Shin J, Signer R, Sillari C, Silverman E, Sinsheimer J, Sisco K, Smith E, Smith K, Solem E, Solnica-Krezel L, Spillmann R, Stoler J, StongJ N, Sullivan E, Sullivan K, Sun A, Sutton S, Sweetser D, Sybert V, Tabor H, Tamburro C, K-GTan Q, Tekin M, Telischi F, Thorson W, Tifft C, Toro C, Tran A, Tucker B, Urv T, Vanderver A, Velinder M, Viskochil D, Vogel T, Wahl C, Wallace S, Walley N, Walsh C, Walker M, Wambach J, Wan J, Wang L, Wangler M, Ward P, Wegner D, Wener M, Wenger T, Perry K, Westerfield M, Wheeler M, Whitlock J, Wolfe L, Woods J, Yamamoto S, Yang J, Yu G, Zastrow D, Zhao C, Zuchner S, Ariani F, Renieri A, Mari F, Wangler M, Arur S, Jiang Y, Yamamoto S, Shashi V, Bellen H. The microRNA processor DROSHA is a candidate gene for a severe progressive neurological disorder. Human Molecular Genetics 2022, 31: 2934-2950. PMID: 35405010, PMCID: PMC9433733, DOI: 10.1093/hmg/ddac085.Peer-Reviewed Original ResearchConceptsWhite matter atrophyProgressive neurological disorderDe novo heterozygous variantsNovo heterozygous variantsProfound intellectual disabilityMatter atrophyNervous systemNeurological disordersHeterozygous variantsDysmorphic featuresMissense variantsSevere phenotypeIntellectual disabilityPhenotype characteristicLoss of DroshaLoss of miRNAMiRNA expressionBrain sizeSevere reductionSevere progressive neurological disorderFunctional studiesCauses lossAtrophyEpilepsyCandidate genes
2020
PET imaging of mGluR5 in Alzheimer’s disease
Mecca AP, McDonald JW, Michalak HR, Godek TA, Harris JE, Pugh EA, Kemp EC, Chen MK, Salardini A, Nabulsi NB, Lim K, Huang Y, Carson RE, Strittmatter SM, van Dyck CH. PET imaging of mGluR5 in Alzheimer’s disease. Alzheimer's Research & Therapy 2020, 12: 15. PMID: 31954399, PMCID: PMC6969979, DOI: 10.1186/s13195-020-0582-0.Peer-Reviewed Original ResearchConceptsEarly Alzheimer's diseaseAlzheimer's diseaseMild cognitive impairmentBrain amyloidHippocampus of ADPositron emission tomography radioligandSubtype 5 receptorsMild AD dementiaGray matter atrophyAssociation cortical regionsAmnestic mild cognitive impairmentImportant therapeutic targetCerebellum reference regionDynamic PET scansHippocampal mGluR5MethodsSixteen individualsMGluR5 bindingSynaptotoxic actionAD dementiaAD pathogenesisMatter atrophyInitial administrationAD groupSynaptic transmissionEntorhinal cortex
2019
Gray matter integrity predicts white matter network reorganization in multiple sclerosis
Radetz A, Koirala N, Krämer J, Johnen A, Fleischer V, Gonzalez‐Escamilla G, Cerina M, Muthuraman M, Meuth S, Groppa S. Gray matter integrity predicts white matter network reorganization in multiple sclerosis. Human Brain Mapping 2019, 41: 917-927. PMID: 32026599, PMCID: PMC7268008, DOI: 10.1002/hbm.24849.Peer-Reviewed Original ResearchConceptsDeep gray matter volumesGray matter volumeMultiple sclerosisGray matter integrityMatter volumeWhite matter networksEarly relapsing-remitting multiple sclerosisRelapsing-remitting multiple sclerosisTime pointsGray matter atrophyDeep gray matter structuresCognitive performanceMiddle temporal cortexGray matter structuresGray matter regionsDisability progressionBrain stemMatter damageSignificant atrophyMatter atrophyDeep gray matter regionsCortical thicknessTemporal cortexTissue damageAtrophy
2015
Brain structure and function as mediators of the effects of amyloid on memory
Mattsson N, Insel P, Aisen P, Jagust W, Mackin S, Weiner M, Weiner M, Aisen P, Weiner M, Aisen P, Petersen R, Jack C, Jagust W, Trojanowki J, Toga A, Beckett L, Green R, Saykin A, Morris J, Liu E, Green R, Montine T, Petersen R, Aisen P, Gamst A, Thomas R, Donohue M, Walter S, Gessert D, Sather T, Beckett L, Harvey D, Gamst A, Donohue M, Kornak J, Jack C, Dale A, Bernstein M, Felmlee J, Fox N, Thompson P, Schuff N, Alexander G, DeCarli C, Jagust W, Bandy D, Koeppe R, Foster N, Reiman E, Chen K, Mathis C, Morris J, Cairns N, Taylor-Reinwald L, Trojanowki J, Shaw L, Lee V, Korecka M, Toga A, Crawford K, Neu S, Saykin A, Foroud T, Potkin S, Shen L, Kachaturian Z, Frank R, Snyder P, Molchan S, Kaye J, Quinn J, Lind B, Dolen S, Schneider L, Pawluczyk S, Spann B, Brewer J, Vanderswag H, Heidebrink J, Lord J, Petersen R, Johnson K, Doody R, Villanueva-Meyer J, Chowdhury M, Stern Y, Honig L, Bell K, Morris J, Ances B, Carroll M, Leon S, Mintun M, Schneider S, Marson D, Griffith R, Clark D, Grossman H, Mitsis E, Romirowsky A, deToledo-Morrell L, Shah R, Duara R, Varon D, Roberts P, Albert M, Onyike C, Kielb S, Rusinek H, de Leon M, Glodzik L, De Santi S, Doraiswamy P, Petrella J, Coleman R, Arnold S, Karlawish J, Wolk D, Smith C, Jicha G, Hardy P, Lopez O, Ann Oakley M, Simpson D, Porsteinsson A, Goldstein B, Martin K, Makino K, Ismail M, Brand C, Mulnard R, Thai G, Mc-Adams-Ortiz C, Womack K, Mathews D, Quiceno M, Diaz-Arrastia R, King R, Weiner M, Martin-Cook K, DeVous M, Levey A, Lah J, Cellar J, Burns J, Anderson H, Swerdlow R, Apostolova L, Lu P, Bartzokis G, Silverman D, Graff-Radford N, Parfitt F, Johnson H, Farlow M, Hake A, Matthews B, Herring S, van Dyck C, Carson R, MacAvoy M, Chertkow H, Bergman H, Hosein C, Black S, Stefanovic B, Caldwell C, Robin Hsiung G, Feldman H, Mudge B, Assaly M, Kertesz A, Rogers J, Trost D, Bernick C, Munic D, Kerwin D, Mesulam M, Lipowski K, Wu C, Johnson N, Sadowsky C, Martinez W, Villena T, Turner R, Johnson K, Reynolds B, Sperling R, Johnson K, Marshall G, Frey M, Yesavage J, Taylor J, Lane B, Rosen A, Tinklenberg J, Sabbagh M, Belden C, Jacobson S, Kowall N, Killiany R, Budson A, Norbash A, Johnson P, Obisesan T, Wolday S, Bwayo S, Lerner A, Hudson L, Ogrocki P, Fletcher E, Carmichael O, Olichney J, DeCarli C, Kittur S, Borrie M, Lee T, Bartha D, Johnson S, Asthana S, Carlsson C, Potkin S, Preda A, Nguyen D, Tariot P, Fleisher A, Reeder S, Bates V, Capote H, Rainka M, Scharre D, Kataki M, Zimmerman E, Celmins D, Brown A, Pearlson G, Blank K, Anderson K, Saykin A, Santulli R, Schwartz E, Sink K, Williamson J, Garg P, Watkins F, Ott B, Querfurth H, Tremont G, Salloway S, Malloy P, Correia S, Rosen H, Miller B, Mintzer J, Longmire C, Spicer K, Finger E, Rachinsky I, Rogers J, Kertesz A, Drost D, Pomara N, Hernando R, Sarrael A, Schultz S, Boles Ponto L, Shim H, Smith K, Relkin N, Chaing G, Raudin L, Smith A, Fargher K, Ashok Raj B. Brain structure and function as mediators of the effects of amyloid on memory. Neurology 2015, 84: 1136-1144. PMID: 25681451, PMCID: PMC4371407, DOI: 10.1212/wnl.0000000000001375.Peer-Reviewed Original ResearchConceptsGray matter volumeAβ positivityMatter volumeBrain structuresAβ pathologyMemory deficitsProspective cohort studyΒ-amyloid pathologySmaller gray matter volumeGray matter atrophyEffect of amyloidEffects of AβRegional gray matter volumeMild cognitive impairmentCohort studyEpisodic memory deficitsMatter atrophyHealthy controlsBrain changesEpisodic memoryLower memory scoresCognitive impairmentEpisodic memory declineAlzheimer's diseaseHypometabolism
2012
Age Effects on Serotonin Receptor 1B as Assessed by PET
Matuskey D, Pittman B, Planeta-Wilson B, Walderhaug E, Henry S, Gallezot JD, Nabulsi N, Ding YS, Bhagwagar Z, Malison R, Carson RE, Neumeister A. Age Effects on Serotonin Receptor 1B as Assessed by PET. Journal Of Nuclear Medicine 2012, 53: 1411-1414. PMID: 22851636, PMCID: PMC3690814, DOI: 10.2967/jnumed.112.103598.Peer-Reviewed Original ResearchConceptsMultilinear reference tissue modelGray matter atrophyReceptor 1BAge-related gray matter atrophyIndividual cortical regionsSerotonin receptor 1BPrevious imaging studiesSerotonin measuresReference tissue modelAge-related declineMatter atrophyHealthy subjectsHealthy adultsGray matterImaging studiesCortical regionsPET imagingSubject underwentMultiple comparisonsCortexNegative associationAge effectsAgeAtrophyPutamen
1999
[123I]Iomazenil SPECT benzodiazepine receptor imaging in schizophrenia
Verhoeff N, Soares J, D’Souza C, Gil R, Degen K, Abi-Dargham A, Zoghbi S, Fujita M, Rajeevan N, Seibyl J, Krystal J, van Dyck C, Charney D, Innis R. [123I]Iomazenil SPECT benzodiazepine receptor imaging in schizophrenia. Psychiatry Research 1999, 91: 163-173. PMID: 10641580, DOI: 10.1016/s0925-4927(99)00027-x.Peer-Reviewed Original ResearchConceptsDuration of illnessHealthy control subjectsControl subjectsGamma-aminobutyric acidLeft precentral gyrusSuperior occipital gyrusPANSS scoresPrecentral gyrusOccipital gyrusSignificant differencesTotal brain uptakeNon-smoking patientsGray matter atrophyConstant infusion paradigmPathophysiology of schizophreniaCortical brain regionsSingle photon emissionTypical antipsychoticsAtypical antipsychoticsCigarette smokingInhibitory neurotransmissionBrain uptakeInfusion paradigmMatter atrophyPostmortem studies
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