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1.
Rev. bras. ortop ; 31(3): 203-10, mar. 1996. ilus, tab, graf
Article in Portuguese | LILACS | ID: lil-212493

ABSTRACT

Os autores realizaram estudo sobre o mapeamento fascicular de nervos periféricos baseado na histoquímica enzimática da acetilcolinesterase presentes em fibras que conduzem estímulos motores. O experimento foi realizado em nervos ciáticos de ratos. Seis ratos foram submetidos a lesao dos nervos ciáticos e tiveram segmentos do coto distal retirados no primeiro, terceiro, quinto e sétimo dias após a lesao. Esses segmentos foram congelados, cortados e submetidos à histoquímica enzimática da acetilcolinesterase. A contagem de fibras coradas obedeceu a critérios de histomorfometria. Observou-se que o número de fibras coradas sofre diminuiçao no decorrer do tempo após a lesao. A análise estatística demonstrou que o índice de fibras coradas obedece a funçao linear decrescente em que o número de fibras coradas é zero a partir do sétimo dia após a lesao.


Subject(s)
Animals , Rats , Male , Acetylcholinesterase/metabolism , Peripheral Nerves/enzymology , Chromatography , Sciatic Nerve/enzymology , Rats, Wistar
2.
Indian J Lepr ; 1987 Apr-Jun; 59(2): 171-7
Article in English | IMSEAR | ID: sea-55106

ABSTRACT

Alkaline phosphatase activity in leprosy nerves was studied. The activity was mainly in blood vessels and was maximum in healthy nerves. Low levels were seen in crush injury. In leprosy lower levels were in BT than LL cases. Endothelial cells (in vitro) released alkpase when infected with live bacilli only. No response was observed with heat killed bacilli.


Subject(s)
Adolescent , Adult , Alkaline Phosphatase/metabolism , Animals , Cells, Cultured , Child , Endothelium, Vascular/enzymology , Humans , Leprosy/enzymology , Male , Mice , Middle Aged , Peripheral Nerves/enzymology , Radial Nerve/enzymology , Sciatic Nerve/enzymology , Umbilical Veins/enzymology
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