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Plasma membrane Ca2+ channel (Leishmania)

Molecular classification
Ion channel, Calcium channel
01

Overview

The plasma membrane Ca2+ channel in Leishmania species is a key component in the parasite's calcium homeostasis. It is functionally similar to L-type voltage-gated Ca2+ channels (VGCCs) but exhibits distinct pharmacological properties, including activation by sphingosine and miltefosine. It is considered a main target for miltefosine, and possibly other antileishmanial agents. Its unique activation profile makes it a promising target for selective therapeutic intervention against Leishmania parasites.

Other names
Leishmania plasma membrane calcium channelLeishmania voltage-gated-like calcium channel
02

Mechanism of action

Activation of the channel by miltefosine leads to calcium influx, disruption of intracellular calcium homeostasis, and alkalinization of acidocalcisomes, contributing to parasite death.

03

Biological functions

Calcium ion transportRegulation of cytosolic calcium levelsCell signaling
04

Disease associations

Leishmaniasis
05

Safety considerations

Potential for off-target effects on host calcium channels, although Leishmania channel exhibits unique pharmacology.
06

Interacting drugs

Miltefosine

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