Project description:BXH/HXB rat recombinant inbred (RI) strains are derived from the spontaneously hypertensive rat (SHR/Ola) and the Brown Norway congenic strains carrying the polydactylyl-luxate mutation (BN-Lx). Tissue from the apex of left ventricle of the heart was disected from 128 RI SHR/Ola and BN-Lx parental strains, RNA was extracted and labelled and hybridised to Affymetrix Rat Genome 230 2.0 Arrays.

2008-04-01 | E-MIMR-222 | biostudies-arrayexpress

Transcription profiling of peritoneal fat of SHR/01a (spontaneously hypertensive rat), BN-Lx (Brown Norway congenic carrying polydactyly-luxate syndrome)and recombinant inbred (HXB/BXH) 6-week old rat strains

Project description:Gene expression profiling of peritoneal fat of SHR/01a (spontaneously hypertensive rat), BN-Lx (Brown Norway congenic carrying polydactyly-luxate syndrome)and recombinant inbred (HXB/BXH) 6-week old rat strains.

2010-11-18 | E-AFMX-7 | biostudies-arrayexpress

Gene Expression Defines Natural Changes in Mammalian Lifespan

Project description:Mammals differ more than hundred fold in maximum lifespan, which can be altered in either direction during evolution, but the molecular basis for natural changes in longevity is not understood. Divergent evolution of mammals also led to extensive changes in gene expression within and between lineages. To understand the relationship between lifespan and variation in gene expression, we carried out RNA-seq-based gene expression analyses of liver, kidney and brain of 33 diverse species of mammals. Our analysis uncovered parallel evolution of gene expression and lifespan, as well as the associated life history traits, and identified the processes and pathways involved. These findings provide direct insights into how Nature reversibly adjusts lifespan and other traits during adaptive radiation of lineages. RNA-seq gene expression profiling in normal liver, kidney and brain of 33 mammalian species.

2015-02-17 | E-GEOD-43013 | biostudies-arrayexpress

Genetic Modulation of Protein Expression in Rat Brain

Project description:Genetic linkage analyses in rodents have unveiled numerous genomic loci contributing to a diverse array of traits, such as susceptibility to addictive behaviors and hypertension. To investigate the genetic basis of trait variation in rodents, genetic reference populations, such as the HXB/BXH recombinant inbred (RI) rat panel, have been extensively utilized. The HXB/BXH panel serves as a well-established rat model to dissect genetic variants that modulate metabolic and cardiovascular diseases. The panel has accumulated a wealth of comprehensive genotypic data, transcriptomic profiles, and phenotypic data, enabling integrative analyses to understand the pathway from genomic loci to traits. The parental strains of the HXB/BXH rat panel, SHR/OlaIpcv (SHR) and BN-Lx/Cub (BN-Lx) strains, have been completely sequenced, and sequence variants between them have been well-defined. Integrating genomics, transcriptomics, and proteomics data from these two inbred strains, have successfully identified splice events, genetic variants, and RNA editing. However, there remains a lack of proteome-wide profiling across all 30 HXB/BXH RI strains, and the genetic regulation of protein expression remains largely unexplored.

2024-12-11 | PXD058748 | Pride

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