Project description:The objective of this study was to characterize differences in the global gene expression profiles of spontaneously hypertensive rats (SHR) and Wistar Kyoto rats (WKY) at different stages of hypertension. Using RNA isolated from liver of SHR and WKY rats, we compared the gene expression profiles by microarrays. Differential gene expression was detected in the liver of SHR rats compared to WKY control rats, possibly contributing to hypertension
Project description:In this study we performed high throughput microfluidic qPCR using BioMark on RNA extracted from 5 organs (adrenal gland, kidney, liver, lung, and spleen) at 5 different time points throughout the development of hypertension (8, 10, 12, 16, and 24 weeks) in Spontaneously Hypertensive Rats (SHR) as compared to Wistar-Kyoto (WKY) control in female subjects (n=3).
Project description:The goals of the study are to compare differently expressed genes in heart tissues of hypertensive rats (spontaneously Hypertension Rats, SHR) with age-matched control rats (wistar Rats, WKY), identify new targets to reverse hypertension induced cardiac remodeling and idetify the targets of Traditional Chinese Medicine QDG.
Project description:We investigated morphometric structure and gene expression by microarray analysis in a small diameter artery, branch of the saphenous artery (a resistance artery), in representative models of renin-angiotensin system (RAS)-dependent and glucocorticoid hypertension, using the spontaneously hypertensive rat (SHR) and adrenocorticotropic hormone (ACTH)-induced hypertensive rat, respectively. Sixteen-week-old male Wistar-Kyoto (WKY) and age-matched spontaneously hypertensive rats (SHR) were used. Keywords: Comparison of global gene expression in resistance arteries of normotensive and genetically hypertensive rats and ACTH-treated rats.
Project description:This study aimed at integrating metabolomics and proteomics data for a comprehensive view of the molecular targets of intervention of protein extracts from Tenebrio molitor in treating hypertension. Serum samples from spontaneously hypertensive rats and Wistar Kyoto rats were analyzed using a quantitative metabolomics and label-free proteomics approach based on liquid chromatography coupled with high resolution mass spectrometry (LC-HRMS). Among deregulated metabolites and proteins in hypertensive rats, we found 15 metabolites and 17 proteins that were restored by supplementation with Tenebrio molitor protein extract. The combination of metabolomics and proteomics provided useful data to uncover the molecular targets of intervention and the underlying functional mechanism of Tenebrio molitor protein extract in an animal model such as spontaneously hypertensive rats. The results suggested that Tenebrio molitor supplementation could effectively treat hypertension, partially by regulating proteins and molecules mainly involved in biological pathways associated to angiotensinogen-angiotensin, Serin protease inhibitors, kallikrein–kinin, reactive oxygen scavenging, and lipid peroxidation.
Project description:We investigated morphometric structure and gene expression by microarray analysis in a small diameter artery, branch of the saphenous artery (a resistance artery), in representative models of renin-angiotensin system (RAS)-dependent and glucocorticoid hypertension, using the spontaneously hypertensive rat (SHR) and adrenocorticotropic hormone (ACTH)-induced hypertensive rat, respectively. Sixteen-week-old male Wistar-Kyoto (WKY) and age-matched spontaneously hypertensive rats (SHR) were used. Experiment Overall Design: There were 3 experimental groups: Group 1: 16-week male Wistar-Kyoto rats; Group 2: 16-week male Wistar-Kyoto rats treated with ACTH (0.1mg/kg/day) subcutaneously, for 4 weeks prior to sampling (i.e. during weeks 12-16 of life) ; Group3: 16-week male SHR (spontaneously hypertensive) rats. There were 3 replicate hybridizations in each experimental group. Due to the low yield of total RNA obtained from the arterial sections, each replicate was composed of RNA pooled from 2-3 different rats.
