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Alzheimer Neuropathologic Alterations in Aged Cognitively Normal Subjects
Abstract
The histopathologic changes distinguishing early Alzheimer disease (AD) from normal or pathologic aging are not clearly defined. This report describes the autopsy findings of 59 elderly, well-educated, volunteers. They were examined longitudinally with mental status testing, some for up to 8 years, as part of our normal aging study. This study reveals that (1) the brains of many subjects who did not show cognitive impairment on neuropsychologic testing contain abundant senile plaques (SP) and/or neurofibrillary tangles (NFT); (2) 29 subjects met Khachaturian criteria for AD, 15 met CERAD and 7 met National Institute on Aging-Reagan Institute guidelines; (3) Braak and Braak staging method included 9 in stage IV subjects, 4 in stage V, and 1 in stage VI; (4) there was a progression of NFT from entorhinal cortex to hippocampus and amygdala as a function of age; (5) 2 subjects met criteria for a diagnosis of dementia with Lewy bodies but were not demented; (6) cerebral amyloid angiopathy was present in leptomeningeal vessels in 75% of subjects and in parenchymal vessels in 62% of subjects; (7) only 10 of 59 subjects (17%) had no or few degenerative brain changes. Our study demonstrates that the brains of a large percentage of cognitively normal, relatively well-educated individuals contain numerous degenerative changes and only a small percentage are relatively free of these changes.
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“Decades of clinical-pathological correlative studies, now corroborated by a decade of neuroimaging studies, also demonstrate a sizable percentage of the non-demented elderly have plaques [40, 51, 54, 55, 58–68].”
From Brain aging, Alzheimer's disease, and mitochondria (2011) · cites this paper as [60]
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Sorted by citations
Items 201–300 of 515
Blaylock, R. L. (2017) · Surgical Neurology International · doi:10.4103/sni.sni_441_16 · Cited by 67
“It could also depend on the strength of the person’s antioxidant network, detoxification systems, and mitochondrial health.[63]”
BackgroundF2-Isoprostanes as Biomarkers of Late-onset Alzheimer’s Disease
Montine, T. J., Quinn, J. F., Kaye, J. A., & Morrow, J. D. (2007) · Journal of Molecular Neuroscience · doi:10.1007/s12031-007-0044-1 · Cited by 65
“…demonstrated to be cognitively normal (Price et al. 1991; Arriagada et al. 1992; Berg et al. 1993; Crystal et al. 1993; Hulette et al. 1998; Davis et al. 1999; Haroutunian et al. 1999; Price and Morris 1999; Green et al. 2000; Schmitt et al. 2000; Xuereb et al. 2000; Morris and Price 2001;…”
BackgroundAging alters mRNA expression of amyloid transporter genes at the blood-brain barrier
Osgood, D., Miller, M. C., Messier, A. A., Gonzalez, L., & Silverberg, G. D. (2017) · Neurobiology of Aging · doi:10.1016/j.neurobiolaging.2017.05.011 · Cited by 63
“, 2008), and the accumulation of Ab is felt to be central to AD pathogenesis (Hardy, 2006; Querfurth and LaFerla, 2010; Selkoe, 2000), it is of more than passing interest to understand the mechanisms involved in the expression alterations of the Ab transport receptors at the brain barriers that occur in the nondemente…”
Cerebral amyloid angiopathy in the elderly: vessel walls changes and relationship with dementia
Zekry, D., Duyckaerts, C. J., Belmin, J., Geoffre, C., Moulias, R., & Hauw, J. (2003) · Acta Neuropathologica · doi:10.1007/s00401-003-0738-6 · Cited by 63
“However, they have also been found in so-called “cognitively normal aged persons” [ 5 , 11, 14, 17, 23, 35, 45].”
Designing a Brief Alzheimer Screen (BAS)
Mendiondo, M. S., Ashford, J. W., Kryscio, R. J., & Schmitt, F. A. (2003) · Journal of Alzheimer s Disease · doi:10.3233/jad-2003-5506 · Cited by 64
“…(Memory Clinic referrals), with 70 “non-demented” patients (no MCI or dementia diagnosis, MMSE and category fluency recorded), and 658 control subjects from the BRAiNS study of elderly volunteers from the community who are evaluated each year and donate their brain for autopsy after death [11,47].”
Self-citationAmyloid‐β in Alzheimer's disease: the horse or the cart? Pathogenic or protective?
Lee, H., Castellani, R. J., Zhu, X., Perry, G. L., & Smith, M. A. (2005) · International Journal of Experimental Pathology · doi:10.1111/j.0959-9673.2005.00429.x · Cited by 66
Criteria for the neuropathological diagnosis of dementing disorders: routes out of the swamp?
Jellinger, K. A. (2009) · Acta Neuropathologica · doi:10.1007/s00401-008-0466-z · Cited by 60
“Diffuse and neuritic plaques and some amounts of tau-positive neuritic pathology in the limbic system relatively frequently occur in cognitively normal elderly [50,112,114,187-195].”
BackgroundSynapse Stability in the Precuneus Early in the Progression of Alzheimer's Disease
Scheff, S. W., PRICE, D. A., Schmitt, F. A., Roberts, K. N., Ikonomović, M. D., & Mufson, E. J. (2013) · Journal of Alzheimer s Disease · doi:10.3233/jad-122353 · Cited by 60
“9 years; range 73 to 99 years; Table 1) who were participants in either the Rush Religious Orders Study (RROS), a longitudinal clinical-pathologic studies of aging and AD composed of older Catholic nuns, priests, and brothers [27–29], or the University of Kentucky Alzheimer’s Disease Center (UKADC) [30].”
Self-citationTonda‐Turo, C., Origlia, N., Mattu, C., Accorroni, A., & Chiono, V. (2018) · Current Medicinal Chemistry · doi:10.2174/0929867325666180221125759 · Cited by 61
Cerebrospinal fluid ratios with Aβ 42 predict preclinical brain β‐amyloid accumulation
Racine, A. M., Koscik, R. L., Nicholas, C. R. N., Clark, L. R., Okonkwo, O. C., Oh, J. M., Hillmer, A. T., Murali, D., Barnhart, T. E., Betthauser, T. J., et al. (2015) · Alzheimer s & Dementia Diagnosis Assessment & Disease Monitoring · doi:10.1016/j.dadm.2015.11.006 · Cited by 58
“Increasing evidence suggests that amyloid may be necessary—although even this is contested by some [8]—but not sufficient for developing AD [6,8–11].”
BackgroundThe spectrum of preclinical Alzheimer's disease pathology and its modulation by ApoE genotype
Pletniková, O., Kageyama, Y., Rudow, G. L., LaClair, K. D., Albert, M., Crain, B. J., Tian, J., Fowler, D. R., & Troncoso, J. C. (2018) · Neurobiology of Aging · doi:10.1016/j.neurobiolaging.2018.07.007 · Cited by 57
Practical measures to simplify the Braak tangle staging method for routine pathological screening
Harding, A. J., Kril, J. J., & Halliday, G. M. (2000) · Acta Neuropathologica · doi:10.1007/pl00007425 · Cited by 58
“We identified that increasing NFT density in the CA1 is important for differentiating cases with early neuritic pathology and that such pathology can occur in cases without dementia, consistent with many previous studies [3, 12 , 19, 20, 34, 37].”
ResultInfluence of functional connectivity and structural MRI measures on episodic memory
He, J., Carmichael, O. T., Fletcher, E. M., Singh, B., Iosif, A., Martinez, O., Reed, B., Yonelinas, A., & DeCarli, C. S. (2012) · Neurobiology of Aging · doi:10.1016/j.neurobiolaging.2011.12.029 · Cited by 62
Alzheimer's disease therapeutic research: the path forward
Aisen, P. S. S. (2009) · Alzheimer s Research & Therapy · doi:10.1186/alzrt2 · Cited by 59
“There is a high prevalence of brain amyloid in non-demented elderly individuals at autopsy [21], perhaps an indication of a long pre-symptomatic stage.”
Hypertension and Related Factors in the Etiology of Alzheimer's Disease
Skoog, I. G., & Gustafson, D. (2002) · Annals of the New York Academy of Sciences · doi:10.1111/j.1749-6632.2002.tb04796.x · Cited by 58
Halliday, G., Ng, T., Rodriguez, M., Harding, A., Blumbergs, P., Evans, W., Fabian, V., Fryer, J., Gonzales, M., Harper, C., et al. (2002) · Acta Neuropathologica · doi:10.1007/s00401-002-0529-5 · Cited by 57
“As expected in an aged but cognitively normal population [ 6 ], all four control cases had some minor neuropathological changes including small numbers of plaques, tan- 73”
ResultHumanin and the Receptors for Humanin
Matsuoka, M., & Hashimoto, Y. (2009) · Molecular Neurobiology · doi:10.1007/s12035-009-8090-z · Cited by 56
Is Alzheimer’s disease inevitable with age?
Morris, J. C. (1999) · Journal of Clinical Investigation · doi:10.1172/jci8560 · Cited by 56
“Further investigations with larger numbers of nondemented control subjects revealed that AD may be present neuropathologically but was not associated with clinically detectable cognitive change during life (17, 18).”
BackgroundEvans, D. A., Grodstein, F., Loewenstein, D., Kaye, J. A., & Weıntraub, S. (2011) · Alzheimer s & Dementia · doi:10.1016/j.jalz.2010.11.008 · Cited by 55
“[5] Davis DG, Schmitt FA, Wekstein DR, Markesbery WR.”
BackgroundDubal, D. B., Broestl, L., & Worden, K. (2012) · Biology of Sex Differences · doi:10.1186/2042-6410-3-24 · Cited by 62
“Highlights from this large body of literature include: cognitive deficits often develop prior to the deposition of amyloid plaques [21-23], neurofibrillary tangles can exist without neuronal impairment [14,16,2427], and tau alone can exert toxicity independently of neurofibrillary tangles (reviewed in [28]).”
BackgroundSubjective Memory Complaints in APOE ɛ 4 Carriers are Associated with High Amyloid-β Burden
Zwan, M. D., Villemagne, V. L., Doré, V., Buckley, R. F., Bourgeat, P., Veljanoski, R., Salvado, O., Williams, R., Margison, L., Rembach, A., et al. (2015) · Journal of Alzheimer s Disease · doi:10.3233/jad-150446 · Cited by 55
Jicha, G. A., Petersen, R. C., Knopman, D. S., Boeve, B. F., Smith, G. E., Geda, Y. E., Johnson, K., Cha, R. H., DeLucia, M. W., Braak, H., et al. (2006) · Journal of Neuropathology & Experimental Neurology · doi:10.1097/01.jnen.0000225312.11858.57 · Cited by 52
de la Torre, J. C. (2013) · American Journal of Alzheimer s Disease & Other Dementias® · doi:10.1177/1533317513494457 · Cited by 58
Leuba, G., Wernli, G., Vernay, A., Kraftsik, R., Mohajeri, M. H., & Saini, K. (2005) · Dementia and Geriatric Cognitive Disorders · doi:10.1159/000083496 · Cited by 52
Bangen, K. J., Initiative, F. T. A. D. N., Clark, A. L., Werhane, M., Edmonds, E. C., Nation, D. A., Evangelista, N., Libon, D. J., Bondi, M. W., & Delano-Wood, L. (2016) · Journal of Alzheimer's Disease · doi:10.3233/jad-150900 · Cited by 51
“Specifically, our results dovetail with neuropathological studies that have demonstrated that 33–50% of individuals without cognitive impairment show a significant amount of AD pathology at autopsy [38–41], and 10–30% of cognitively normal participants have considerably high brain levels of A (PiB and florbetapir stud…”
Ivanova, N., Liu, Q., Agca, C., Ağca, Y., Noble, E. G., Whitehead, S. N., & Cechetto, D. F. (2020) · Journal of Neuroinflammation · doi:10.1186/s12974-020-1698-7 · Cited by 51
“This is in line with studies of human brain showing a lack of correlation between amyloid plaque burden and presence or severity of dementia symptoms [50, 51].”
ResultMoreno‐Rodríguez, M., Perez, S. E., Nadeem, M., Malek‐Ahmadi, M. H., & Mufson, E. J. (2020) · Journal of Neuroinflammation · doi:10.1186/s12974-020-1723-x · Cited by 53
The therapeutic potential of the endocannabinoid system for Alzheimer's disease
Karl, T., Cheng, D., Garner, B., & Arnold, J. C. (2012) · Expert Opinion on Therapeutic Targets · doi:10.1517/14728222.2012.671812 · Cited by 51
“Furthermore, the brain regions showing high levels of inflammation coincide with regions thought to be responsible for the memory impairments observed in the early stages of AD [18] Interestingly, human studies suggest that there is also a pronounced defect in innate immunity in AD, which impairs Ab phagocytosis [19].”
BackgroundArgyrophilic grain disease: frequency and neuropathology in centenarians
Ding, Z., Wang, Y., Jiang, Y., Yoshida, M., Mimuro, M., Inagaki, T., Iwase, T., & Hashizume, Y. (2006) · Acta Neuropathologica · doi:10.1007/s00401-006-0043-2 · Cited by 50
PET imaging of neural activity, β-amyloid, and tau in normal brain aging
Zhang, K., Mizuma, H., Zhang, X., Takahashi, K., Jin, C., Song, F., Gao, Y., Kanayama, Y., Wu, Y., Li, Y., et al. (2021) · European Journal of Nuclear Medicine and Molecular Imaging · doi:10.1007/s00259-021-05230-5 · Cited by 49
Arenaza‐Urquijo, E. M., Molinuevo, J. L., Sala‐Llonch, R., Solé‐Padullés, C., Balasa, M., Bosch, B., Olives, J., Antonell, A., Lladó, A., Sánchez‐Valle, R., et al. (2013) · Journal of Alzheimer s Disease · doi:10.3233/jad-121906 · Cited by 50
“Keywords: Aging, amyloid, cognitive reserve, hippocampus, structural MRI”
Neuroimaging Results Impose New Views on Alzheimer’s Disease—the Role of Amyloid Revised
Fjell, A. M., & Walhovd, K. B. (2011) · Molecular Neurobiology · doi:10.1007/s12035-011-8228-7 · Cited by 48
“When it comes to results from human studies, there are at least two problems with the face validity of the amyloid hypothesis: First, presence of Aβ-plaques in the brain is not sufficient to cause AD [40–46], and typically about one third of elderly without cognitive or clinical symptoms is found to have plaques witho…”
BackgroundMetzler‐Baddeley, C., Mole, J. P., Sims, R., Fasano, F., Evans, J., Jones, D. K., Aggleton, J. P., & Baddeley, R. (2019) · Scientific Reports · doi:10.1038/s41598-018-37658-5 · Cited by 50
Tau protein aggregation in the frontal and entorhinal cortices as a function of aging
Yang, W., Ang, L. C., & Strong, M. J. (2005) · Developmental Brain Research · doi:10.1016/j.devbrainres.2005.02.004 · Cited by 48
Perez, S. E., He, B., Nadeem, M., Wuu, J., Scheff, S. W., Abrahamson, E. E., Ikonomović, M. D., & Mufson, E. J. (2014) · Biological Psychiatry · doi:10.1016/j.biopsych.2013.12.016 · Cited by 47
Johnson, R. D., Schauerte, J. A., Wisser, K. C., Gafni, A., & Steel, D. G. (2011) · PLoS ONE · doi:10.1371/journal.pone.0023970 · Cited by 48
“Levels of various soluble, oligomeric forms of Ab have repeatedly been shown to be a stronger indicator of disease state in humans than plaque load [4,5,21,22].”
BackgroundCalcium dysregulation in relation to Alzheimer‐type pathology in the ageing brain
Garwood, C., Faizullabhoy, A., Wharton, S. B., Ince, P. G., Heath, P. R., Shaw, P. J., Baxter, L., Gelsthorpe, C., Forster, G., Matthews, F. E., et al. (2013) · Neuropathology and Applied Neurobiology · doi:10.1111/nan.12033 · Cited by 47
“However, population-based neuropathological studies have found that Alzheimer-type pathology is not unique to clinically defined AD, but may be found in ageing brains from individuals without dementia and there is considerable overlap in burdens of Alzheimer-type pathology between demented and nondemented individuals…”
Neuropsychological Profiles and Trajectories in Preclinical Alzheimer’s Disease
Ho, J. K., Nation, D. A., & Initiative, A. D. N. (2018) · Journal of the International Neuropsychological Society · doi:10.1017/s135561771800022x · Cited by 52
Alzheimer disease and other dementias
Alva, G., & Potkin, S. G. (2003) · Clinics in Geriatric Medicine · doi:10.1016/s0749-0690(03)00028-4 · Cited by 48
Cerebral amyloid angiopathy in traumatic brain injury: association with apolipoprotein E genotype
Leclercq, P. D. (2005) · Journal of Neurology Neurosurgery & Psychiatry · doi:10.1136/jnnp.2003.025528 · Cited by 46
Prediction of Preclinical Alzheimer's Disease: Longitudinal Rates of Change in Cognition
Riley, K. P., Jicha, G. A., Davis, D. G., Abner, E. L., Cooper, G. E., Stiles, N. J., Smith, C. D., Kryscio, R. J., Nelson, P. T., Eldik, L. J. V., et al. (2011) · Journal of Alzheimer s Disease · doi:10.3233/jad-2011-102133 · Cited by 55
“708 K.P. Riley et al. / Preclinical ments and amyloid-ligand binding PET studies, volumetric MRI and fMRI studies [3, 7, 8, 11–24].”
Self-citationGurnani, A. S., & Gavett, B. E. (2016) · Neuropsychology Review · doi:10.1007/s11065-016-9334-0 · Cited by 46
“Three out of the 33 studies (Caramelli et al. 1998; Davis et al. 1999; Johnson et al. 2009) did not include a pathologically normal or DLB comparison group and were excluded from the meta-analysis.”
ResultDelta-secretase cleavage of Tau mediates its pathology and propagation in Alzheimer’s disease
Kang, S. S., Ahn, E. H., & Ye, K. (2020) · Experimental & Molecular Medicine · doi:10.1038/s12276-020-00494-7 · Cited by 46
Plasticity in Early Alzheimer Disease
Hill, N. L., Kolanowski, A. M., & Gill, D. J. (2011) · Topics in Geriatric Rehabilitation · doi:10.1097/tgr.0b013e31821e588e · Cited by 51
Comparative neuropathology in aging primates: A perspective
Freire‐Cobo, C., Edler, M. K., Varghese, M., Munger, E. L., Laffey, J., Raia, S., In, S. S., Wicinski, B. A., Medalla, M., Perez, S. E., et al. (2021) · American Journal of Primatology · doi:10.1002/ajp.23299 · Cited by 46
“…entorhinal cortex, CA1, CA2‐3, hilus, and subiculum of nondemented older subjects (Bouras et al., 1994, 2002; Bussière, Giannakopoulos, et al., 2003; Davis et al., 1999; Giannakopoulos et al., 1993, 1995, 1996; Giannakopoulos, Hof, Giannakopoulos, et al., 1994; Giannakopoulos, Hof, et al., 1997;…”
BackgroundGriffith, C. M., Macklin, L. N., Cai, Y., Sharp, A. A., Yan, X., Reagan, L. P., Strader, A. D., Rose, G. M., & Patrylo, P. R. (2019) · Journal of Alzheimer s Disease · doi:10.3233/jad-180707 · Cited by 44
“Further, clinical data reveal that subjects can exhibit AD-related neuropathology (plaques and tangles) yet remain cognitively intact and, conversely, that subjects can exhibit AD-related dementia yet have little to no neuropathology [59–64].”
Yagensky, O., Kohansal-Nodehi, M., Gunaseelan, S., Rabe, T., Zafar, S., Zerr, I., Härtig, W., Urlaub, H., & Chua, J. J. E. (2019) · eLife · doi:10.7554/elife.47498 · Cited by 43
“However, the aggregation of Ab and tau alone does not fully account for the cognitive decline observed in AD patients (Davis et al., 1999).”
BackgroundBuscema, M., Grossi, E., Snowdon, D. A., Antuono, P., Intraligi, M., Maurelli, G., & Savarè, R. (2004) · Neuroinformatics · doi:10.1385/ni:2:4:399 · Cited by 42
The association of MIND diet with cognitive resilience to neuropathologies
Wagner, M., Agarwal, P., Leurgans, S. E., Bennett, D. A. A., Schneider, J. A., Capuano, A. W., & Grodstein, F. (2023) · Alzheimer s & Dementia · doi:10.1002/alz.12982 · Cited by 45
“Co-morbidities, median (IQR) 2 (1;2) 2 (1;3) 2 (1;2) 2 (1;3)”
Early Alzheimer-type lesions in cognitively normal subjects
Tsartsalis, S., Xekardaki, A., Hof, P. R., Kövari, E., & Bouras, C. (2017) · Neurobiology of Aging · doi:10.1016/j.neurobiolaging.2017.10.002 · Cited by 41
An Update on the Amyloid Hypothesis
Eckman, C. B., & Eckman, E. A. (2007) · Neurologic Clinics · doi:10.1016/j.ncl.2007.03.007 · Cited by 43
“For example, in a study by Markesbery’s group, significant AD-like pathology (plaques and tangles) was found in the brains of a substantial number of elderly, cognitively normal individuals [55].”
Groot, C., Doré, V., Robertson, J. S., Burnham, S. C., Savage, G. R., Ossenkoppele, R., Rowe, C. C., & Villemagne, V. L. (2020) · Neurobiology of Aging · doi:10.1016/j.neurobiolaging.2020.09.017 · Cited by 41
Cognitive aging and Alzheimer’s disease
Vandenberghe, R. R., & Tournoy, J. (2005) · Postgraduate Medical Journal · doi:10.1136/pgmj.2004.028290 · Cited by 45
Serum Lipids Are Related to Alzheimer’s Pathology in Nursing Home Residents
Lesser, G. T., Haroutunian, V. H., Purohit, D. P., Beeri, M. S., Schmeidler, J., Honkanen, L., Neufeld, R. R., & Libow, L. S. (2009) · Dementia and Geriatric Cognitive Disorders · doi:10.1159/000189268 · Cited by 41
Tolnay, M., & Probst, A. (2008) · Handbook of clinical neurology · doi:10.1016/s0072-9752(07)01251-1 · Cited by 41
Brown, A. M., Sheu, R. K.-F., Mohs, R., Haroutunian, V., & Blass, J. P. (2001) · Journal of Molecular Neuroscience · doi:10.1385/jmn:16:1:41 · Cited by 40
Alzheimer Lesions in the Autopsied Brains of People 30 to 50 Years of Age
Pletniková, O., Rudow, G. L., Hyde, T. M., Kleinman, J. E., Ali, S. Z., Bharadwaj, R. A., Gangadeen, S., Crain, B. J., Fowler, D. R., Rubio, A. I., et al. (2015) · Cognitive and Behavioral Neurology · doi:10.1097/wnn.0000000000000071 · Cited by 40
“…of asymptomatic AD emerged from autopsies, first in cross-sectional and then in longitudinal studies (Bennett et al, 2006; Crystal et al, 1988; Davis et al, 1999; Dickson et al, 1992; Miller et al, 1984; Morris and Price, 2001; Morris et al, 2001; Price et al, 2009; Sparks et al, 1993;…”
BackgroundGlucose/mitochondria in neurological conditions
Blass, J. P. (2002) · International review of neurobiology · doi:10.1016/s0074-7742(02)51010-2 · Cited by 40
Lack of association between mtDNA haplogroups and Alzheimer’s disease in Tuscany
Mancuso, M., Nardini, M., Micheli, D., Rocchi, A., Nesti, C., Giglioli, N. J., Petrozzi, L., Rossi, C. A., Ceravolo, R., Bacci, A., et al. (2007) · Neurological Sciences · doi:10.1007/s10072-007-0807-z · Cited by 40
“However, although this cascade is potentially viable in familial AD cases with mutation in APP and PS genes, its role in the majority of SAD cases without mutations in these genes is unclear; further, plaques are a relatively common finding in the non-demented elderly [2].”
BackgroundJudgment of Emotional Nonlinguistic Vocalizations: Age-Related Differences
Fecteau, S., Armony, J. L., Joanette, Y., & Belin, P. (2005) · Applied Neuropsychology · doi:10.1207/s15324826an1201_7 · Cited by 45
Yoshida, K., Hata, Y., Ichimata, S., Okada, K., & Nishida, N. (2023) · Translational Neurodegeneration · doi:10.1186/s40035-023-00352-2 · Cited by 38
“identified AGD in 23% of 59 cognitively normal older adult subjects [16], and Knopman et al.”
BackgroundResultVelez‐Pardo, C., Tobón‐Arroyave, S. I., Lopera, F. J., Castaño, A. D., & Jiménez-Del-Río, M. (2001) · Journal of Alzheimer s Disease · doi:10.3233/jad-2001-3408 · Cited by 38
Small hippocampal size in cognitively normal subjects with coronary artery disease
Koschack, J., & Irle, E. (2004) · Neurobiology of Aging · doi:10.1016/j.neurobiolaging.2004.08.009 · Cited by 38
Varamini, B., Sikalidis, A. K., & Bradford, K. L. (2013) · International Journal of Food Sciences and Nutrition · doi:10.3109/09637486.2013.832171 · Cited by 38
“In humans, a number of studies show that progressive neurodegeneration may occur in AD patients despite removal of plaques, and many cognitively normal humans display Ab plaques in equivalent densities as Alzheimer’s diseased individuals (Davis et al., 1999; Holmes et al., 2008).”
BackgroundCerebral Blood Flow Measurement by PET in Hypertensive Subjects as a Marker of Cognitive Decline
Kitagawa, K. (2010) · Journal of Alzheimer s Disease · doi:10.3233/jad-2010-091324 · Cited by 37
“Additionally, the deposition of amyloid-β is also frequently seen in the brain of cognitively normal, aged subjects [6].”
Problems Associated with Biological Markers of Alzheimer’s Disease
Frey, H. J., Mattila, K. M., Korolainen, M. A., & Pirttilä, T. (2005) · Neurochemical Research · doi:10.1007/s11064-005-8827-7 · Cited by 37
“The latter may be due to the frequent existence of AD-type pathology in cognitively healthy subjects and other dementias (17,18).”
BackgroundMolecular basis of selective amyloid‐β degrading enzymes in Alzheimer's disease
Żukowska, J., Moss, S. J., Subramanian, V., & Acharya, K. R. (2023) · FEBS Journal · doi:10.1111/febs.16939 · Cited by 36
“Perhaps the most significant of these is the lack of AD associated cognitive decline in many elderly people that possess large quantities of A b plaques [23,24].”
Three Postulates to Help Identify the Cause of Alzheimer's Disease
de la Torre, J. C. (2011) · Journal of Alzheimer s Disease · doi:10.3233/jad-2011-101884 · Cited by 39
“Multiple studies have failed to show significant correlations between A plaque density in brain and degree of neuronal degeneration or of cognitive failure in AD [12–16].”
Papadopoulos, P., Tong, X., Imboden, H., & Hamel, É. (2016) · Journal of Cerebral Blood Flow & Metabolism · doi:10.1177/0271678x16658489 · Cited by 35
“Additionally, studies showing cognitively unaffected elderly individuals having equivalent Ab plaque densities than AD patients further support the notion that Ab plaques are not good correlates of dementia.(65) Further studies would be needed to decipher any potential role of AT1R antagonists like losartan on hyperph…”
ResultTime for a Systems Biological Approach to Cognitive Aging?—A Critical Review
Ebaid, D., & Crewther, S. G. (2020) · Frontiers in Aging Neuroscience · doi:10.3389/fnagi.2020.00114 · Cited by 43
“This notion stems from the observation of individuals who were functioning below levels of clinical impairment, despite brain pathology that other individuals who demonstrated clinical impairments also showed (Davis et al., 1999; Riley et al., 2002).”
BackgroundSchoentgen, B., Gagliardi, G. P., & Defontaines, B. (2020) · Frontiers in Psychology · doi:10.3389/fpsyg.2020.01814 · Cited by 44
An Alzheimer's disease hypothesis based on transcriptional dysregulation
Robakis, N. K. R. K. (2003) · Amyloid · doi:10.3109/13506120309041729 · Cited by 33
Neuropathological Changes in Aging Brain
Xekardaki, A., Kövari, E., Gold, G., Papadimitropoulou, A., Giacobini, E., Herrmann, F. R., Giannakopoulos, P., & Bouras, C. (2014) · Advances in experimental medicine and biology · doi:10.1007/978-3-319-08939-3_6 · Cited by 35
“Since then several other studies have indicated the presence of NFTs in normal brain aging [28–31].”
Lesser, G. T., Beeri, M. S., Schmeidler, J., Purohit, D. P., & Haroutunian, V. (2011) · Current Alzheimer Research · doi:10.2174/156720511795563755 · Cited by 37
Dalton, M. A., McCormick, C., Luca, F. D., Clark, I. A., & Maguire, E. A. (2019) · Hippocampus · doi:10.1002/hipo.23097 · Cited by 32
Are Aβ and Its Derivatives Causative Agents or Innocent Bystanders in AD?
Robakis, N. K. (2010) · Neurodegenerative Diseases · doi:10.1159/000266476 · Cited by 32
Why therapies for Alzheimer’s disease do not work: Do we have consensus over the path to follow?
Amtul, Z. (2015) · Ageing Research Reviews · doi:10.1016/j.arr.2015.09.003 · Cited by 35
Periodontitis and systemic markers of neurodegeneration: A case–control study
Leira, Y., Carballo, Á., Orlandi, M., Aldrey, J. M., Peleteiro, J. M. P., Moreno, F., Vázquez‐Vázquez, L., Campos, F., D’Aiuto, F., Castillo, J., et al. (2020) · Journal Of Clinical Periodontology · doi:10.1111/jcpe.13267 · Cited by 33
Zeng, H., Li, P., Zhou, L., & Ding, K. (2020) · International Journal of Biological Macromolecules · doi:10.1016/j.ijbiomac.2020.05.212 · Cited by 32
Genomics and CSF analyses implicate thyroid hormone in hippocampal sclerosis of aging
Initiative, A. D. N., Nelson, P. T., Katsumata, Y., Nho, K. T., Artiushin, S., Jicha, G. A., Wang, W., Abner, E. L., Saykin, A. J., Kukull, W. A., et al. (2016) · Acta Neuropathologica · doi:10.1007/s00401-016-1641-2 · Cited by 31
“Pathological assessment methodology at the UK-ADC has been described in detail [18, 62, 78, 98].”
Adamczuk, K., Weer, A. D., Nelissen, N., Dupont, P. J., Sunaert, S. G., Bettens, K., Sleegers, K., Broeckhoven, C. V., Laere, K. V., & Vandenberghe, R. R. (2014) · Cerebral Cortex · doi:10.1093/cercor/bhu286 · Cited by 32
“…manifestations of underlying Alzheimer pathology and who remain cognitively intact despite the presence of Alzheimer pathology in the brain (Crystal et al. 1988; Katzman et al. 1988; Troncoso et al. 1996; Davis et al. 1999; Price and Morris 1999; Driscoll et al. 2006; Aizenstein et al. 2008).”
Use of bomb pulse carbon-14 to age senile plaques and neurofibrillary tangles in Alzheimer’s disease
Lovell, M. A., Robertson, J. D., Buchholz, B. A., Xie, C., & Markesbery, W. R. (2002) · Neurobiology of Aging · doi:10.1016/s0197-4580(01)00281-0 · Cited by 29
Self-citationInnate immunity in Alzheimer’s disease: the relevance of animal models?
Franco-Bocanegra, D., Nicoll, J. A. R., & Boche, D. (2017) · Journal of Neural Transmission · doi:10.1007/s00702-017-1729-4 · Cited by 32
“2008), corroborating the previous studies that pointed out the lack of association between amyloid pathology and severity of dementia (Davis et al. 1999; CFAS 2001; Engler et al. 2006; Minett et al. 2016).”
ResultWang, H., Liu, X., Chen, S., & Ye, K. (2018) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.1815915115 · Cited by 32
“For example, many cognitively normal elderly individuals display relatively large amounts of Aβ in their brains (32, 33).”
BackgroundJohnson, R. D., Steel, D. G., & Gafni, A. (2014) · Protein Science · doi:10.1002/pro.2479 · Cited by 29
Wearn, A. R., Nurdal, V., Saunders-Jennings, E., Knight, M. J., Isotalus, H., Dillon, S., Tsivos, D., Kauppinen, R. A., & Coulthard, E. J. (2020) · Alzheimer s Research & Therapy · doi:10.1186/s13195-020-00672-9 · Cited by 27
Cholesterol and Synaptic Compensatory Mechanisms in Alzheimer's Disease Mice Brain During Aging
Jansen, D., Janssen, C. I. F., Vanmierlo, T., Dederen, P. J. W. C., van Rooij, D., Zinnhardt, B., Nobelen, C. L. M., Janssen, A.-L., Hafkemeijer, A., Mutsaers, M. P. C., et al. (2012) · Journal of Alzheimer s Disease · doi:10.3233/jad-2012-120298 · Cited by 29
“Many non-demented individuals show large amounts of AD pathology, whereas many AD patients display only few A depositions, as shown in large autopsy studies [5, 6], and in PET [11C] Pittsburgh Compound-B imaging studies visualizing A plaque burden in vivo [7, 8].”
Inflammation and aging: Can endocannabinoids help?
Marchalant, Y., Brothers, H. M., & Wenk, G. L. (2008) · Biomedicine & Pharmacotherapy · doi:10.1016/j.biopha.2008.02.004 · Cited by 27
“Moreover, the development of inflammation within neuronal populations and regions known to be vulnerable in the brains of AD coincide with the memory impairments observed in the early stages of AD pathology (Davis et al., 1999).”
BackgroundConsideration of the ischaemic basis and treatment of Alzheimer's disease.
Pluta, R. M., Ułamek, M., & Jabłoński, M. (2010) · PubMed · Cited by 29
Mild Cognitive Impairment: Where Are We?
Petersen, R. C. (2005) · Alzheimer Disease & Associated Disorders · doi:10.1097/01.wad.0000179417.95584.90 · Cited by 29
Morris, J. C. (2000) · Neurologic Clinics · doi:10.1016/s0733-8619(05)70225-5 · Cited by 29
Xekardaki, A., Giannakopoulos, P., & Haller, S. (2011) · Journal of Aging Research · doi:10.4061/2011/286564 · Cited by 28
“FA, MD, RD, and LD were measured using TBSS. FA was significantly higher in controls compared to MCI in a network involving the corpus callosum, right temporal and frontal pathways.”
MethodKok, E., Karppinen, T. T., Luoto, T. M., Alafuzoff, I. I., & Karhunen, P. J. (2016) · Alcoholism Clinical and Experimental Research · doi:10.1111/acer.13102 · Cited by 27
Gürel, B., Cansev, M., Koç, C., Keleştemur, S., Öcalan, B., Çakır, A., Aydın, S., Kahveci, N., Ozansoy, M., Taşkapılıoğlu, Ö., et al. (2018) · Journal of Alzheimer s Disease · doi:10.3233/jad-170329 · Cited by 28
“Although this is a highly accepted theory, there are many healthy subjects with brains containing abundant neurofibrillary tangle and senile plaques without any cognitive decline [58].”
Comparison of Amyloid β and Tau Spread Models in Alzheimer’s Disease
Kim, H., Lee, P., Seo, S. W., Roh, J. H., Oh, M., Oh, J. S., Oh, S. J., Kim, J. S., & Jeong, Y. (2018) · Cerebral Cortex · doi:10.1093/cercor/bhy311 · Cited by 32
“2015), has been repeatedly demonstrated in both neuropathological (Davis et al. 1999; Bennett et al. 2006; Braak et al. 2011) and PET studies (Schöll et al.”
BackgroundCarvalho, T. G., Alves‐Silva, J., de Souza, J. M., Real, A. L. C. V., Doria, J. G., Vieira, É. L. M., Gomes, G. F., de Oliveira, A. C., de Miranda, A. S., & Ribeiro, F. M. (2019) · Neurochemistry International · doi:10.1016/j.neuint.2019.03.020 · Cited by 28
“abnormalities in microglial population (Davis et al., 1999; Streit et al., 2004).”
Chang, C.-C., Althaus, J. C., Carruthers, C. J. L., Sutton, M. A., Steel, D. G., & Gafni, A. (2013) · PLoS ONE · doi:10.1371/journal.pone.0082139 · Cited by 28
Patterns of Cortical and Subcortical Amyloid Burden across Stages of Preclinical Alzheimer’s Disease
Edmonds, E. C., Bangen, K. J., Delano‐Wood, L., Nation, D. A., Furst, A. J., Salmon, D. P., Bondi, M. W., & Initiative, A. D. N. (2016) · Journal of the International Neuropsychological Society · doi:10.1017/s1355617716000928 · Cited by 28
Gál, J., Chen, J., Katsumata, Y., Fardo, D. W., Wang, W., Artiushin, S., PRICE, D. A., Anderson, S., Patel, E., Zhu, H., et al. (2017) · Journal of Neuropathology & Experimental Neurology · doi:10.1093/jnen/nlx097 · Cited by 28
Risk for Alzheimer's disease in older late-onset cases is associated with HLA-DRB1*03
Neill, D., Curran, M. D., Middleton, D., Mawhinney, H., Edwardson, J. A., McKeith, I. G., Ballard, C. G., Morris, C. M., Ince, P. G., Jaros, E., et al. (1999) · Neuroscience Letters · doi:10.1016/s0304-3940(99)00761-2 · Cited by 28
Metadata
- Authors
- Davis, D. G., Schmitt, F. A., Wekstein, D. R., & Markesbery, W. R.
- Affiliations
- University of Kentucky HealthCare (US)
- Corresponding author
- Davis, D G
- ORCID
- Schmitt, F A
- Venue
- Journal of Neuropathology and Experimental Neurology
- Publisher
- Oxford University Press (OUP)
- Published
- 1999-04
- Volume
- 58
- Issue
- 4
- Pages
- 376-388
- ISSN
- 0022-3069 (ISSN-L)
- OpenAlex
- W2009882167
- Cited by
- 516
- References
- 0
- Citations by year
- 2026: 2 · 2025: 6 · 2024: 6 · 2023: 12 · 2022: 7 · 2021: 13 · 2020: 14 · 2019: 16 · 2018: 22 · 2017: 16 · 2016: 26 · 2015: 18 · 2014: 30 · 2013: 25 · 2012: 19
- FWCI
- 15.68
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Neuropathology & Experimental Neurology (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Institute on Aging (P50AG005144, P50-AGO5144, 1PO1-AGO51195)
- Topics
- Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
- Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Alzheimer's disease research and treatments
- Life Sciences › Neuroscience › Neurology › Neurological Disease Mechanisms and Treatments
- Keywords
- Alzheimer's disease, normal aging, amyloid plaques, neurofibrillary tangles, Braak staging, dementia with Lewy bodies, cerebral amyloid angiopathy, entorhinal cortex, hippocampus, amygdala, neuropathology
- MeSH terms
- Aged, Aged, 80 and over, Aging, Alzheimer Disease, Amyloidosis, Apolipoproteins E, Brain, Cerebral Infarction, Chronic Disease, Cognition, Female, Genotype, Craniocerebral Trauma, Humans, Male, Mental Status Schedule, Middle Aged, Dementia, Vascular, Silver Staining, Lewy Bodies, Neurofibrillary Tangles
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