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Availability of olfactory bulb: experience from a British Brain Bank / Disponibilidade de bulbos olfatórios em um banco de cérebro britânico: a experiência do Queen Square Brain Bank
Rajan, Suraj; Parsons, Linda; Lees, Andrew J; Silveira-Moriyama, Laura.
  • Rajan, Suraj; UCL. Institute of Neurology. London. GB
  • Parsons, Linda; UCL. Institute of Neurology. London. GB
  • Lees, Andrew J; UCL. Institute of Neurology. London. GB
  • Silveira-Moriyama, Laura; UCL. Institute of Neurology. London. GB
Arq. neuropsiquiatr ; 71(2): 110-112, Feb. 2013. tab
Article in English | LILACS | ID: lil-663916
ABSTRACT
The olfactory bulb and tract (OB/OT) are among the earliest structures in the brain to undergo pathological changes in many neurodegenerative conditions. The availability of OB/OT samples from brain specimens in brain banks therefore assumes importance. We collected data from 5 years (2006-2010) regarding the presence or absence of OB/OT material in cases received by the Queen Square Brain Bank (QSBB) for Neurological Disorders, UCL Institute of Neurology, UK, to estimate availability of OB/OT material at the brain bank and also to look for possible associations. Of the 438 cases received, 320 had complete data regarding OB/OT and 29.4% of these had OB/OT in at least one half of the specimen. Unavailability of OB/OT was associated with larger post-mortem delays (p<0.001), suggesting that the delay might render the tissue more friable and hence lead to its loss. Brains from female donors also tended to have a higher availability in our samples.
RESUMO
O bulbo e o trato olfatórios (OB/OT) são algumas das estruturas cerebrais mais sensíveis a neurodegeneração. A disponibilidade deste material para estudos neuropatológicos em bancos de cérebro tem, portanto, grande relevância. Coletamos dados referentes a 5 anos (2006-2010) a respeito da presença ou ausência de OB/OT no Queen Square Brain Bank (QSBB) for Neurological Disorders, parte do UCL Institute of Neurology, Reino Unido, para estimar a disponibildade deste material em um banco de cérebro, e também para estudar fatores que influenciam essa disponibilidade. Dos 438 casos recebidos, encontramos dados referentes a presença ou ausência de OB/OT em 320, dos quais 29,4% possuiam OB/OT em pelo menos um lado. A indisponibilidade de OB/OT foi associada a maior intervalo entre a morte e a autópsia(p<0.001), sugerindo que o atraso pode deixar o material mais friável, levando aperda durante a coleta. Cérebros de doadoras femininas apresentaram maior disponibilidade de OB/OT em nossa amostra.
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Full text: Available Index: LILACS (Americas) Main subject: Olfactory Bulb / Tissue Banks Limits: Female / Humans / Male Country/Region as subject: Europa Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2013 Type: Article Affiliation country: United kingdom Institution/Affiliation country: UCL/GB

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Full text: Available Index: LILACS (Americas) Main subject: Olfactory Bulb / Tissue Banks Limits: Female / Humans / Male Country/Region as subject: Europa Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2013 Type: Article Affiliation country: United kingdom Institution/Affiliation country: UCL/GB