The widely used white light-emitting diodes (LED) deliver higher levels of blue light than do conventional domestic light sources. The high intensity of blue component is the main source of concern about the health risks of LED with respect to their light-toxicity to the retina. White LED light with higher correlated color temperature (CCT) is more likely to cause retinal injury in mice, significantly reducing the number of ONL nuclei, however apoptosis pathway may not be the only mechanism.
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Specimen part
View SamplesTo investigate the etiology of the hyperandrogenic phenotype of polycystic ovary syndrome (PCOS), a prenatally androgenized (PNA) mouse model was validated and used for microarray analysis.
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Sex, Specimen part, Treatment
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Expression signatures of metastatic capacity in a genetic mouse model of lung adenocarcinoma.
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View SamplesBeyond demonstrating a critical role for progesterone receptor signaling in normal mammary epithelial proliferation, the progesterone receptor knockout mouse disclosed the progesterone receptor along with its effector pathways as key determinants of mammary neoplastic progression. Despite these advances, however, further progress in our mechanistic understanding of progesterones involvement in mammary morphogenesis and tumorigenesis is contingent upon defining the essential effector pathways responsible for transducing the progesterone signal into a mammary proliferative and/or pro-survival response. Toward this goal, a judiciously chosen acute progesterone treatment regimen together with microarray methods was applied to the mammary gland of the normal mouse to uncover new effectors that operate immediately downstream of the progesterone mammary signal. Examination of the resultant progesterone-responsive transcriptome disclosed inhibitor of differentiation or DNA binding 4 (Id4) as a molecular target acutely induced by progesterone in the murine mammary epithelium.
Transcriptional response of the murine mammary gland to acute progesterone exposure.
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View SamplesComparative analysis of cerebellar gene expression changes occurring in Sca1154Q/2Q and Sca7266Q/5Q knock-in mice
The insulin-like growth factor pathway is altered in spinocerebellar ataxia type 1 and type 7.
Sex, Age
View SamplesGene expression analysis of 2-month-old APP/APLP2 double-conditional Knockout (N-dCKO) mice and littermate APLP2 knockout controls, APP knockout and wildtype controls.
Soluble amyloid precursor protein (APP) regulates transthyretin and Klotho gene expression without rescuing the essential function of APP.
Sex, Age, Specimen part
View SamplesWe used microarrays to detail the global programme of gene expression after 4 months of TFEB overexpression in the brain.
Selective clearance of aberrant tau proteins and rescue of neurotoxicity by transcription factor EB.
Specimen part, Treatment
View SamplesThis SuperSeries is composed of the SubSeries listed below.
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Sex, Age, Specimen part, Treatment
View SamplesRNA expression profiles from 12 (twelve) osteosarcomas arisen from p53+/- mouse were compared with a mc3T3 osteoblast control, and a rhabdomyosarcoma expression profile which was from a mouse with the same genetic background.
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Specimen part
View SamplesThe biologic basis for NSCLC metastasis is not well understood. Here we addressed this deficiency by transcriptionally profiling tumors from a genetic mouse model of human lung adenocarcinoma that develops metastatic disease owing to the expression of K-rasG12D and p53R172H. As a tool to investigate the biologic basis for metastasis in this model and to query the roles of specific genes in this signature, we isolated adenocarcinoma cell lines from these mice and used them to develop a syngeneic tumor model in wild-type littermates. Transcriptional profiling of the highly metastatic subcutaneous tumors revealed genes that regulate, among other processes, epithelial-to-mesenchymal transition and intra-tumoral inflammation and angiogenesis, whereas the non-metastatic tumors did not.
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