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Search: L773:0079 6123 OR L773:1875 7855 OR L773:9780444642608 > Nanoparticles aggra...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00003080naa a2200433 4500
001oai:DiVA.org:uu-17230
003SwePub
008080618s2007 | |||||||||||000 ||eng|
024a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-172302 URI
024a https://doi.org/10.1016/S0079-6123(06)62013-X2 DOI
040 a (SwePub)uu
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a for2 swepub-publicationtype
100a Sharma, Hari Shankeru Uppsala universitet,Institutionen för kirurgiska vetenskaper,Anaesthesiology and Intensive Care4 aut0 (Swepub:uu)hssharma
2451 0a Nanoparticles aggravate heat stress induced cognitive deficits, blood-brain barrier disruption, edema formation and brain pathology
264 1c 2007
338 a print2 rdacarrier
520 a Our knowledge regarding the influence of nanoparticles on brain function in vivo during normal or hyperthermic conditions is still lacking. Few reports indicate that when nanoparticles enter into the central nervous system (CNS) they may induce neurotoxicity. On the other hand, nanoparticle-induced drug delivery to the brain enhances neurorepair processes. Thus, it is likely that the inclusion of nanoparticles in body fluid compartments alters the normal brain function and/or its response to additional stress, e.g., hyperthermia. New data from our laboratory show that nanoparticles derived from metals (e.g., Cu, Ag or Al, approximately 50-60nm) are capable of inducing brain dysfunction in normal animals and aggravating the brain pathology caused by whole-body hyperthermia (WBH). Thus, normal animals treated with nanoparticles (for 1 week) exhibited mild cognitive impairment and cellular alterations in the brain. Subjection of these nanoparticle-treated rats to WBH resulted in profound cognitive and motor deficits, exacerbation of blood-brain barrier (BBB) disruption, edema formation and brain pathology compared with naive animals. These novel observations suggest that nanoparticles enhance brain pathology and cognitive dysfunction in hyperthermia. The possible mechanisms of nanoparticle-induced exacerbation of brain damage in WBH and its functional significance in relation to our current knowledge are discussed in this review.
653 a aluminum
653 a blood-brain barrier
653 a body temperature
653 a brain edema
653 a cerebral blood flow
653 a cognitive function
653 a copper
653 a heat stress
653 a hyperthermia
653 a nanoparticles
653 a neurotoxicity
653 a silver
653 a MEDICINE
653 a MEDICIN
700a Sharma, Arunau Uppsala universitet,Institutionen för kirurgiska vetenskaper4 aut
710a Uppsala universitetb Institutionen för kirurgiska vetenskaper4 org
773t Progress in Brain Researchg 162, s. 245-273q 162<245-273x 0079-6123x 1875-7855
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-17230
8564 8u https://doi.org/10.1016/S0079-6123(06)62013-X

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