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383385 occurrences (No.47 in the rank) during 5 years in the PubMed. [no cache] 500 found

417) Large, prospective longitudinal studies are needed to clarify the association of Aβ with symptom development, progression, severity, and treatment response in LB disorders.

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PMID:23831180 DOI:10.1016/j.jagp.2013.03.001

2015 The American journal of geriatric psychiatry : official journal of the American Association for Geriatric Psychiatry

* Amyloid PET Imaging in Lewy body disorders.

- Lewy body (LB) disorders, including Parkinson disease (PD), Parkinson disease dementia (PDD), and dementia with Lewy bodies (DLB), are the second most common type of neurodegenerative dementia. Although the pathological hallmarks of LB disorders are Lewy bodies and Lewy neurites, cortical amyloid-beta (Aβ) deposition is also often seen. The relationship between Aβ pathology and dementia in LB disorders is unclear. Recently, positron emission tomography Aβ ligands have been developed that enable in vivo imaging of Aβ. In this paper we review amyloid imaging studies in LB disorders. LB disorders are associated with lower mean cortical Aβ ligand binding compared with Alzheimer disease. In DLB and PDD many subjects have normal levels of cortical Aβ, though a subset show increased Aβ ligand binding. Those with DLB show greater ligand binding than PDD; binding does not appear to be increased in PD without dementia. Cortical Aβ deposition may be a factor in the development of cognitive impairment in some cases of dementia in LB disorders. Amyloid imaging is of limited use in the diagnosis of LB disorders but Aβ deposition may predict the future development of dementia in PD. Reports of correlation between Aβ deposition and symptom profile, severity, and progression have been inconsistent. Some results suggest a synergistic interaction between Aβ and α-synuclein. Interpretation of the current evidence is hampered by differing methodologies across studies and small sample sizes. Large, prospective longitudinal studies are needed to clarify the association of Aβ with symptom development, progression, severity, and treatment response in LB disorders.

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(1)236 of	(6)6 was	(11)3 and/or	(16)2 on
(2)59 and	(7)5 as	(12)3 by	(17)2 progression,
(3)54 null	(8)4 are	(13)3 including	(18)2 to
(4)21 in	(9)4 for	(14)3 process
(5)6 is	(10)4 were	(15)2 after

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--- WordNet output for development --- =>発達, 開発, 産物, 進展 Overview of noun development The noun development has 9 senses (first 7 from tagged texts) 1. (52) development -- (act of improving by expanding or enlarging or refining; "he congratulated them on their development of a plan to meet the emergency"; "they funded research and development") 2. (46) development, evolution -- (a process in which something passes by degrees to a different stage (especially a more advanced or mature stage); "the development of his ideas took many years"; "the evolution of Greek civilization"; "the slow development of her skill as a writer") 3. (11) growth, growing, maturation, development, ontogeny, ontogenesis -- ((biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level; "he proposed an indicator of osseous development in children") 4. (9) development -- (a recent event that has some relevance for the present situation; "recent developments in Iraq"; "what a revolting development!") 5. (7) exploitation, development -- (the act of making some area of land or water more profitable or productive or useful; "the development of Alaskan resources"; "the exploitation of copper deposits") 6. (6) development -- (a district that has been developed to serve some purpose; "such land is practical for small park developments") 7. (4) development -- (a state in which things are improving; the result of developing (as in the early part of a game of chess); "after he saw the latest development he changed his mind and became a supporter"; "in chess your should take care of your development before moving your queen") 8. development, developing -- (processing a photosensitive material in order to make an image visible; "the development and printing of his pictures took only two hours") 9. development -- ((music) the section of a composition or movement (especially in sonata form) where the major musical themes are developed and elaborated) --- WordNet end ---