The Mesio-Temporal Lobe Epilepsy (MTLE) syndrome is the most common form of intractable epilepsies. It is characterized by the recurrence of focal seizures occurring in mesio-temporal limbic structures and is often associated with hippocampal sclerosis and drug resistance.
Glial responses during epileptogenesis in Mus musculus point to potential therapeutic targets.
Sex, Specimen part
View SamplesPrimary Sjgrens syndrome (SS or autoimmune epithelitis) is a relatively common autoimmune disorder that is primarily characterized by chronic lymphoepithelial inflammatory reactions in the exocrine glands, mainly the salivary and lachrymal glands. It may extend from disease confined to the exocrine glands (organ-specific exocrinopathy) to various extraglandular manifestations (systemic disease) and the development of B-cell lymphoma. Several studies from our laboratory had provided evidence for the strong implication of ductal salivary gland epithelial cells (SGEC) in the pathogenesis of Sjgrens syndrome (SS), including the development of salivary gland infiltrating lesions and of adverse systemic clinical complications, such as the development of B-cell lymphoma. In fact, the comparative assessment of non-neoplastic SGEC lines derived from SS patients and disease controls had indicated that the ductal epithelia of SS patients manifest an intrinsically activated status that is associated with distinct aberrant phenotypic and functional features encountered in inflamed cells.
No associated publication
Sex, Specimen part, Disease
View SamplesTumor Necrosis Factor- is greatly implicated in heart pathophysiology, while it is upregulated in the failing myocardium. A major target in TNF--induced heart failure is the muscle specific intermediate filament cytoskeleton, comprised by desmin. We analysed the effect of cardiac-specific overexpression of TNF- in the Des-/- myocardium, which is a known model of dilated cardiomyopathy.
No associated publication
Age, Specimen part
View SamplesThe aim of this study was to investigate the molecular mechanisms implicated in this mouse model of nemaline myopathy, and to further compare the molecular disease response in different skeletal muscles. For this purpose, snap frozen skeletla muscle specimens from wild type and transgenic for alpha tropomyosin slow mice were studied. Five different muscle types were used (diaphragm, plantaris, extensor digitorum longus, tibialis anterior, gastrocnemus). Mice were sacrificed between 7 and 10 months. RNA pools from 3-5 animals were created and each pool was hybridized to a U74Av2 Affymetrix GeneChip. Datasets from 36 GeneChips were included in this study.
Skeletal muscle repair in a mouse model of nemaline myopathy.
No sample metadata fields
View SamplescJun is a transcription factor activated by phosphorylation by SAPK/JNK MAP kinase pathway that has been linked to atherosclerosis. Adenovirus mediated gene transfer of a dominant negative form of cJun in C57BL/6 mice increased greatly the apolipoprotein E (ApoE) mRNA and plasma apoE levels and induced dyslipidmia, characterized by increased plasma cholesterol, triglyceride and VLDL levels and accumulation of discoidal HDL particles. Unexpectedly, infection of ApoE-/- mice with adenovirus expressing dn-cJun reduced by 50% plasma cholesterol, suggesting that the dn-cJun affected other genes that control plamsa cholesterol. To determine the molecular pathways implicated in this process we performed whole genome expression profiling using total RNA from the liver of infected ApoE-/- mice.
A dominant negative form of the transcription factor c-Jun affects genes that have opposing effects on lipid homeostasis in mice.
No sample metadata fields
View SamplesWe used microarrays to detail the global gene expression of primary RPE and immortalized RPE.
Identification of a Gene Encoding Slow Skeletal Muscle Troponin T as a Novel Marker for Immortalization of Retinal Pigment Epithelial Cells.
Specimen part, Cell line
View SamplesWe used microarrays to detail the global gene expression of human induced pluripotent stem cells
Tumorigenicity-associated characteristics of human iPS cell lines.
Cell line
View SamplesWe identified DCIR2+DCs but not DEC205+DCs as able to induce peripheral T cell tolerance in pre-diabetic autoimmune NOD mice. To determine what distinct genetic programs are elicited in the auto-reactive CD4 T cells early after stimulation by these two DC subsets, we utilized adoptive transfer of BDC2.5 CD4 T cells into NOD mice, which were then given chimeric antibody to deliver the beta-cell specific antigen to either DCIR2+DCs or DEC205+DCs, leading to BDC2.5 CD4 T cell specific stimulation in vivo. The analysis shows that the negative transcriptional factor Zbtb32 (ROG) is up-regulated more in BDC2.5 CD4 T cells after stimulated with a antigen via DCIR2+DCs presentation, compared with DEC205+DCs, suggesting the involvement of Zbtb32 in DCIR2+DCs-mediated auto-reactive T cell tolerance in disease ongoing NOD mice.
DCIR2+ cDC2 DCs and Zbtb32 Restore CD4+ T-Cell Tolerance and Inhibit Diabetes.
Sex, Age, Specimen part
View SamplesPulmonary fibrosis develops as a consequence of environmentally induced lung injury and/or an inherent disease susceptibility causing fibroblast activation, proliferation and extracellular matrix deposition.
Microarray profiling reveals suppressed interferon stimulated gene program in fibroblasts from scleroderma-associated interstitial lung disease.
Specimen part, Disease
View SamplesMalaria is a disease with diverse symptoms depending on host immune status and pathogenicity of Plasmodium parasites. The continuous parasite growth within a host suggests mechanisms of immune evasion and/or inhibition. To identify pathways commonly inhibited by malaria infection, we infected C67BL/6 mice with four Plasmodium yoelii strains causing different disease phenotypes and 24 progeny of a genetic cross. mRNAs from mouse spleens day 1 and/or day 4 post infection (p.i.) were hybridized to a mouse microarray to identify activated or inhibited pathways, upstream regulators, and linkages to parasite genetic loci. Strong interferon responses were observed after infection with N67 strain, whereas initial inhibition and later activation of hematopoiesis pathways were found after infection with 17XNL parasite. Inhibition of pathways such as Th1 activation, dendritic cell (DC) maturation, and NFAT immune regulation were observed in mice infected with all the parasite strains day 4 p.i., suggesting universally inhibited immune pathways. Treatment of infected mice with antibodies against T cell receptors OX40 or CD28 to activate malaria-inhibited pathways enhanced host survival. Controlled activation of these pathways may provide important strategies for better disease management and for developing an effective vaccine.
Detection of host pathways universally inhibited after Plasmodium yoelii infection for immune intervention.
Sex, Specimen part
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