Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Profiling of filarial induced genes in lymphatic endothelial cells

ABSTRACT: To observe the global changes in the lymphatic endothelial cells upon exposure to filarial antigens or parasites, LECs were stimulated for 24, 48, and 72hrs and the expression profiles were carried out. Human filarial parasites Brugia malayi and Wuchereria bancrofti habitat the lymphatics and cause lymphatic dilatation and lymphedema. In order to evaluate the effect of various stage specific effects on the lymphatic endothelial cells (LEC) and understand how they modulate the lymphatic dysfunction, LECs were stimulated in antigens derived from the Brugia malayi. These are preliminary time course data towards understanding how the filarial antigens induce lymphangiogenesis.

ORGANISM(S): Homo sapiens

SUBMITTER: Sasisekhar Bennuru

PROVIDER: E-GEOD-15454 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Project description:Filarial nematodes are arthropod-borne nematodes that cause a variety of economically important diseases such as onchocerciasis (river blindness), lymphatic filariasis, and heartworm disease. The most widespread filarial disease of humans is lymphatic filariasis, caused by worms in the genera Wuchereria and Brugia. Lymphatic filariasis is an economic and social burden in endemic countries and affects approximately 119 million people worldwide (Michael, 1997). In humans, the worms live in and block the lymph vessels, causing improper flow of lymph, and inflammation of the lymphatic system. The symptoms are fever, swollen limbs and genitals, generalized malaise, and can progress to a debilitating condition known as elephantiasis This research focuses on the transmission of these worms to the disseminating mosquito host, and it is based on the interesting observation that mf must be at least 7 days old to successfully infect the mosquito (de Hollanda, 1982). Newborn mf that have not â??maturedâ?? cannot successfully penetrate the midgut of the mosquito, and subsequently cannot develop to the L3 stage (Fuhrman, 1987). Previous work done by another group 20 years ago suggests that the molecular makeup of the worm surface changes during this maturation process (Furman, 1983 a and b). We used microarray analysis to characterize changes in gene expression that take place during the mf maturation process. Understanding the gene expression changes that occur as the mf mature will allow us to understand the nature of the philological transition that allows mf to move from the human to the mosquito host. With this information in hand, we can eventually identify parasite molecules that could be targeted to either stop parasite reproduction or prevent transmission of the mf to the mosquito. This would stop parasite transmission in endemic areas. This SuperSeries is composed of the following subset Series: GSE14939: Brugia pahangi mature vs immature microfilariae GSE14940: Brugia malayi mature vs immature microfilariae Refer to individual Series

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Profiling of filarial induced genes in lymphatic endothelial cells

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