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1.
Biol. Res ; 38(4): 365-374, 2005. ilus
Article in English | LILACS | ID: lil-425820

ABSTRACT

In this essay, we show that several anatomical features of the axon, namely, microtubular content, caliber and extension of sprouts, correlate on a local basis with the particular condition of the glial cell, i.e., the anatomy of axons is dynamic, although it is seen usually in its `normal' state. The occurrence of ribosomes and messenger RNAs in the axon suggests that axoplasmic proteins are most likely synthesized locally, at variance with the accepted notion that they are supplied by the cell body. We propose that the supporting cell (oligodendrocyte or Schwann cell) regulates the axonal phenotype by fine-tuning the ongoing axonal protein synthesis.


Subject(s)
Animals , Axons/physiology , Axons/chemistry , Schwann Cells , Cycloheximide/antagonists & inhibitors , Proteins/biosynthesis , Nerve Regeneration , Nerve Regeneration/physiology
2.
Bol. micol ; 5(1/2): 43-7, jul.-dic. 1990. tab
Article in Spanish | LILACS | ID: lil-116768

ABSTRACT

El desarrollo de dos cepas de Pycnoporus cinnabarinus (Jacq. ex Fr.) Karts, fue inhibido durante 72 horas al agregar al medio de cultivo clorpromacina, ketoconazol o cicloheximida respectivamente. La cepa Pc 58 fue inhibida por 33 ug/ml de clorpromacina y la cepa Pc470.6 por 40 ug/ml. Cicloheximida inhibió el crecimiento de la cepa Pc58 a una concentración de 3 ug/ml y a la cepa Pc470.6 a 5 ug/ml. El agente más eficaz para inhibir el crecimiento de estas cepas de P. cinnabarinus fue el Ketoconazol, que actuó a concentraciones menores de 0,5 ug/ml en la cepa Pc58 y a 0,9 ug/ml en la cepa Pc470.6


Subject(s)
Basidiomycota/drug effects , In Vitro Techniques , Chlorpromazine/antagonists & inhibitors , Cycloheximide/antagonists & inhibitors , Ketoconazole/antagonists & inhibitors
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