Identification of mosquito sterol carrier protein-2 inhibitors

A mosquito sterol carrier protein-2, AeSCP-2, has been shown to aid in the uptake of cholesterol in mosquito cells. The discovery of chemical inhibitors of AeSCP-2 is reported here. AeSCP-2 inhibitors (SCPIs) belong to several chemotypes of hydrophobic compounds. Those inhibitors competed with chole...

Full description

Bibliographic Details
Main Authors: Min-sik Kim, Vilena Wessely, Que Lan
Format: Article
Language:English
Published: Elsevier 2005-04-01
Series:Journal of Lipid Research
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S0022227520339997
_version_ 1818598987049992192
author Min-sik Kim
Vilena Wessely
Que Lan
author_facet Min-sik Kim
Vilena Wessely
Que Lan
author_sort Min-sik Kim
collection DOAJ
description A mosquito sterol carrier protein-2, AeSCP-2, has been shown to aid in the uptake of cholesterol in mosquito cells. The discovery of chemical inhibitors of AeSCP-2 is reported here. AeSCP-2 inhibitors (SCPIs) belong to several chemotypes of hydrophobic compounds. Those inhibitors competed with cholesterol for AeSCP-2, binding with relatively high binding affinities. In cultured insect cells, SCPIs reduced cholesterol uptake by as much as 30% at 1–5 μM concentrations. SCPIs were potent larvicides to the yellow fever mosquito, Aedes aegypti, and to the tobacco hornworm, Manduca sexta, with 50% lethal doses (LD50s) of 5–21 μM and 0.013–15 ng/mg diet, respectively.The results indicate that sterol carrier protein-2 has functional similarity in two different insect species.
first_indexed 2024-12-16T12:12:25Z
format Article
id doaj.art-ecc54e6a9c6a4e2ea7c91b96e7aa07ee
institution Directory Open Access Journal
issn 0022-2275
language English
last_indexed 2024-12-16T12:12:25Z
publishDate 2005-04-01
publisher Elsevier
record_format Article
series Journal of Lipid Research
spelling doaj.art-ecc54e6a9c6a4e2ea7c91b96e7aa07ee2022-12-21T22:32:09ZengElsevierJournal of Lipid Research0022-22752005-04-01464650657Identification of mosquito sterol carrier protein-2 inhibitorsMin-sik Kim0Vilena Wessely1Que Lan2Department of Entomology, University of Wisconsin–Madison, Madison, WisconsinDepartment of Entomology, University of Wisconsin–Madison, Madison, WisconsinDepartment of Entomology, University of Wisconsin–Madison, Madison, WisconsinA mosquito sterol carrier protein-2, AeSCP-2, has been shown to aid in the uptake of cholesterol in mosquito cells. The discovery of chemical inhibitors of AeSCP-2 is reported here. AeSCP-2 inhibitors (SCPIs) belong to several chemotypes of hydrophobic compounds. Those inhibitors competed with cholesterol for AeSCP-2, binding with relatively high binding affinities. In cultured insect cells, SCPIs reduced cholesterol uptake by as much as 30% at 1–5 μM concentrations. SCPIs were potent larvicides to the yellow fever mosquito, Aedes aegypti, and to the tobacco hornworm, Manduca sexta, with 50% lethal doses (LD50s) of 5–21 μM and 0.013–15 ng/mg diet, respectively.The results indicate that sterol carrier protein-2 has functional similarity in two different insect species.http://www.sciencedirect.com/science/article/pii/S0022227520339997cholesterolinsecticidehigh throughput screening
spellingShingle Min-sik Kim
Vilena Wessely
Que Lan
Identification of mosquito sterol carrier protein-2 inhibitors
Journal of Lipid Research
cholesterol
insecticide
high throughput screening
title Identification of mosquito sterol carrier protein-2 inhibitors
title_full Identification of mosquito sterol carrier protein-2 inhibitors
title_fullStr Identification of mosquito sterol carrier protein-2 inhibitors
title_full_unstemmed Identification of mosquito sterol carrier protein-2 inhibitors
title_short Identification of mosquito sterol carrier protein-2 inhibitors
title_sort identification of mosquito sterol carrier protein 2 inhibitors
topic cholesterol
insecticide
high throughput screening
url http://www.sciencedirect.com/science/article/pii/S0022227520339997
work_keys_str_mv AT minsikkim identificationofmosquitosterolcarrierprotein2inhibitors
AT vilenawessely identificationofmosquitosterolcarrierprotein2inhibitors
AT quelan identificationofmosquitosterolcarrierprotein2inhibitors