Project description:BALB/c mice are susceptible to proteoglycan (PG) aggrecan-induced arthritis (PGIA), a murine model of rheumatoid arthritis (Glant,T.T. and Mikecz,K., Proteoglycan aggrecan-induced arthritis. A murine autoimmune model of rheumatoid arthritis. Methods Mol.Med. 2004. 102: 313-338.). However, there are marked differences among BALB/c colonies (maintained by different vendors at different locations) in PGIA onset and severity, which could be the result of subtle variations in their genetic background. In the present microarray study, we have identified differences among BALB/c colonies, and an altered immunization-related gene expression pattern in PGIA model. Experiment Overall Design: In this study we compared the gene expression profile of 12 spleens from PG-immunized (RNA was isolated 12 days after immunization) and naive mice from BALB/cJ and BALB/cByJ colonies (3-3 from each group), then made comparisons between colonies and based on immunization.
Project description:BALB/c mice are susceptible to proteoglycan (PG) aggrecan-induced arthritis (PGIA), a murine model of rheumatoid arthritis (Glant,T.T. and Mikecz,K., Proteoglycan aggrecan-induced arthritis. A murine autoimmune model of rheumatoid arthritis. Methods Mol.Med. 2004. 102: 313-338.). However, there are marked differences among BALB/c colonies (maintained by different vendors at different locations) in PGIA onset and severity, which could be the result of subtle variations in their genetic background. In the present microarray study, we have identified differences among BALB/c colonies, and an altered immunization-related gene expression pattern in PGIA model. Keywords: Genetic modification
Project description:BALB/c mice develop peripheral arthritis (PGIA) and spondyloarthropathy (PGIS) upon repeated intraperitoneal injections of human cartilage proteoglycan (PG) aggrecan. The aim of the present study was to identify spondylitis-specific genes by comparing intervertebral disc (IVD) RNA samples from spondyloarthropathic and naïve BALB/c mice. Keywords: Genetic modification
Project description:BALB/c mice develop peripheral arthritis (PGIA) and spondyloarthropathy (PGIS) upon repeated intraperitoneal injections of human cartilage proteoglycan (PG) aggrecan. The aim of the present study was to identify spondylitis-specific genes by comparing intervertebral disc (IVD) RNA samples from spondyloarthropathic and naM-CM-/ve BALB/c mice. Keywords: Genetic modification We compared the gene expression data of 5 spondyloarthropathic and 3 naM-CM-/ve (control) mice.
Project description:BALB/c mice are susceptible to proteoglycan (PG) aggrecan-induced arthritis (PGIA), and the absence of TSG-6 further increases susceptibility and local inflammatory reactions, including neutrophil invasion into the joints. To gain insight into the mechanisms of TSG-6 action, synovial fibroblasts were isolated from wild-type and TSG-6-KO mice, cultured and exposed to various agents affecting either the TSG-6 expression and/or modify the intracellular function of TSG-6. In the present microarray studies, we have identified differences in gene expression by fibroblasts isolated from wild-type or TSG-6-KO mice Keywords: Genetic modification
Project description:Introgressed variants from other species can be an important source of genetic variation because they may arise rapidly, can include multiple mutations on a single haplotype, and have often been pretested by selection in the species of origin. Although introgressed alleles are generally deleterious, several studies have reported introgression as the source of adaptive alleles-including the rodenticide-resistant variant of Vkorc1 that introgressed from Mus spretus into European populations of Mus musculus domesticus. Here, we conducted bidirectional genome scans to characterize introgressed regions into one wild population of M. spretus from Spain and three wild populations of M. m. domesticus from France, Germany, and Iran. Despite the fact that these species show considerable intrinsic postzygotic reproductive isolation, introgression was observed in all individuals, including in the M. musculus reference genome (GRCm38). Mus spretus individuals had a greater proportion of introgression compared with M. m. domesticus, and within M. m. domesticus, the proportion of introgression decreased with geographic distance from the area of sympatry. Introgression was observed on all autosomes for both species, but not on the X-chromosome in M. m. domesticus, consistent with known X-linked hybrid sterility and inviability genes that have been mapped to the M. spretus X-chromosome. Tract lengths were generally short with a few outliers of up to 2.7 Mb. Interestingly, the longest introgressed tracts were in olfactory receptor regions, and introgressed tracts were significantly enriched for olfactory receptor genes in both species, suggesting that introgression may be a source of functional novelty even between species with high barriers to gene flow.
Project description:Autoimmune arthritis was induced in BALB/c mice with three consecutive PG-injections. B cells were affinity purified from arthritic and contol (adjuvant injected - non-arthritic) mice and isolated total RNA samples were analyzed on microarray platforms. Several hundred disease-associated gene expression changes were detected in B cells
Project description:We collected whole genome testis expression data from hybrid zone mice. We integrated GWAS mapping of testis expression traits and low testis weight to gain insight into the genetic basis of hybrid male sterility.
