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
Project description:We report our microarray analysis of Brugia malayi microfilariae-derived miRNA comparing parasite-derived EVs and supernatants Microarray analysis was performed using isolated RNA from three biological replicates of Brugia malayi microfilariae with a focus on the parasite-derived EVs and supernatant
Project description:This is a spatially averaged multiscale mathematical model of tumor angiogenesis. The model describes the dynamics of VEGF, Ang1, Ang2, and PDGF, coupled with those of mature and immature endothelial cells and pericyte cells.
Project description:We investigated the comprehensive metabolic profiles of plasma among immature females, mature females ready to spawn, as well as already spawned breeders of blunt snout bream (Megalobrama amblycephala). The purpose of this study was to screen out potential biomarkers for sexual mature female M. amblycephala compared to immature female individuals and already spawned breeders. The three groups were set up in this study, including one year old immature females, 2 years old sexually mature females ready to spawning and successfully spawning females of M. amblycephala. The plasma samples were collected to investigate the comprehensive metabolic profiles through UPLC-MS/MS based metabolomics analysis method. According to multivariate and univariate statistical analysis, plasma metabolite profiles of three groups were obviously separated, and the plasma metabolite profiles of immature female M. amblycephala were much more different from mature females ready to spawn as well as already spawned breeders. The differential plasma metabolites from three hormone related pathways including GnRH signaling pathway, steroid hormone biosynthesis and steroid biosynthesis, were further analyzed. A total of 29 metabolites were identified as differential biomarkers associated with the female maturation status
Project description:The mature and immature FF samples were subjected to mass spectrometry with the isobaric tags for relative and absolute quantification (iTRAQ). The differential proteomics between mature and immature FF revealed their striking differences in the protein components and functions, which may improve our knowledge of the follicular microenvironment and its biological roles for reproductive processes in yak.
Project description:First Douglas fir proteomes by nLC-MS/MS from 12 different organs : root, stem, xylem, needle, bud, female and male flowers, immature and mature seed, immature and mature somatic embryos and callus.