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267449 occurrences (No.100 in the rank) during 5 years in the PubMed. [no cache] 500 found

313) Understanding how vascular and metabolic factors interfere with progressive loss of functional neuronal networks becomes essential to develop efficient drugs to prevent cognitive decline in elderly.

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PMID:24337666 DOI:10.1007/s00702-013-1129-3

2015 Journal of neural transmission (Vienna, Austria : 1996)

* Vascular cognitive impairment, dementia, aging and energy demand. A vicious cycle.

- To a great extent, cognitive health depends on cerebrovascular health and a deeper understanding of the subtle interactions between cerebrovascular function and cognition is needed to protect humans from one of the most devastating affliction, dementia. However, the underlying biological mechanisms are still not completely clear. Many studies demonstrated that the neurovascular unit is compromised in cerebrovascular diseases and also in other types of dementia. The hemodynamic neurovascular coupling ensures a strong increase of the cerebral blood flow (CBF) and an acute increase in neuronal glucose uptake upon increased neural activity. Dysfunction of cerebral autoregulation with increasing age along with age-related structural and functional alterations in cerebral blood vessels including accumulation of amyloid-beta (Aβ) in the media of cortical arterioles, neurovascular uncoupling due to astrocyte endfeet retraction, impairs the CBF and increases the neuronal degeneration and susceptibility to hypoxia and ischemia. A decreased cerebral glucose metabolism is an early event in Alzheimer's disease (AD) pathology and may precede the neuropathological Aβ deposition associated with AD. Aβ accumulation in turn leads to further decreases in the CBF closing the vicious cycle. Alzheimer, aging and diabetes are also influenced by insulin/insulin-like growth factor-1 signaling, and accumulated evidence indicates sporadic AD is associated with disturbed brain insulin metabolism. Understanding how vascular and metabolic factors interfere with progressive loss of functional neuronal networks becomes essential to develop efficient drugs to prevent cognitive decline in elderly.

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(1)50 magnetic	(18)4 gastrointestinal	(35)3 integration	(52)2 connections
(2)38 connectivity	(19)4 outcome	(36)3 interactions	(53)2 differentiation
(3)29 and	(20)4 outcomes	(37)3 movement	(54)2 domains
(4)8 limitations	(21)4 relationships	(38)3 single	(55)2 endurance
(5)7 network	(22)4 unit	(39)3 status	(56)2 health
(6)7 recovery	(23)3 Assessment	(40)3 status,	(57)2 imaging
(7)7 role	(24)3 MRI	(41)3 studies	(58)2 impact
(8)6 changes	(25)3 Well-Being	(42)2 CD133	(59)2 integrity
(9)6 results	(26)3 activation	(43)2 HL	(60)2 losses
(10)5 alterations	(27)3 brain	(44)2 ability	(61)2 networks
(11)5 limitation	(28)3 consequences	(45)2 activity	(62)2 neuronal
(12)5 neuroimaging	(29)3 coupling	(46)2 analyses	(63)2 organization
(13)5 properties	(30)3 decline	(47)2 as	(64)2 parameters
(14)5 theory	(31)3 deficits	(48)2 assays	(65)2 roles
(15)4 capacity	(32)3 differences	(49)2 assessment	(66)2 significance
(16)4 connectivity,	(33)3 impairment	(50)2 characteristics	(67)2 specialization
(17)4 foods	(34)3 improvement	(51)2 cognitive

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--- WordNet output for functional --- =>機能の, 関数の, 機能する, 機能上の, 実用的な, 機能的な Overview of adj functional The adj functional has 6 senses (first 2 from tagged texts) 1. (3) functional -- (designed for or capable of a particular function or use; "a style of writing in which every word is functional"; "functional architecture") 2. (1) functional -- (involving or affecting function rather than physiology; "functional deafness") 3. functional -- (relating to or based on function especially as opposed to structure; "the problem now is not a constitutional one; it is a functional one"; "delegates elected on a functional rather than a geographical basis") 4. functional, usable, useable, operable, operational -- (fit or ready for use or service; "the toaster was still functional even after being dropped"; "the lawnmower is a bit rusty but still usable"; "an operational aircraft"; "the dishwasher is now in working order") 5. functional -- (designed for or adapted to a function or use; "functional education selects knowledge that is concrete and usable rather than abstract and theoretical"; "functional architecture") 6. running, operative, functional, working -- ((of e.g. a machine) performing or capable of performing; "in running (or working) order"; "a functional set of brakes") --- WordNet end ---