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http://hdl.handle.net/10872/4385
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Título : | Identification of a sphingosine-sensitive Ca2+ channel in the plasma membrane of Leishmania mexicana |
Autor : | Benaím, Gustavo García-Marchán, Yael REYES, Claudia Uzcanga, Graciela Figarella, Katherine |
Palabras clave : | Leishmania leishmania mexicana Calcium channel Trypanosomatids Sphingosine Ca2+ |
Fecha de publicación : | 2013 |
Editorial : | Biochemical and Biophysical Research Communications |
Citación : | Vol. 430, pp.1091–1096 |
Resumen : | The disruption of the intracellular Ca2+ homeostasis of Leishmania mexicana represents a major target for
the action of drugs, such as amiodarone and miltefosine. However, little is known about the mechanism
of Ca2+ entry to these cells. Here we show the presence of a Ca2+ channel in the plasma membrane of
these parasites. This channel has many characteristics similar to the human L-type voltage-gated Ca2+
channel. Thus, Ca2+ entry is blocked by verapamil, nifedipine and diltiazem while Bay K 8644 opened this
channel. However, different to its human counterpart, sphingosine was able to open this channel, while
other well known sphingolipids had no effect. This fact could have important pharmacological
implications. |
URI : | http://hdl.handle.net/10872/4385 |
ISSN : | 0006-291X |
Aparece en las colecciones: | Artículos Publicados
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