Mus musculus
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA376438 | ENA |
REPOSITORIES: ENA
Similar Datasets
Project description:To analyze the expression profile in the Samd7 KO retina, we performed a microarray analysis using wild-type and Samd7 KO retina at P12.
2017-09-05 | GSE95209 | GEO
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Project description:PURPOSE: To provide a detailed gene expression profile of the normal postnatal mouse cornea. METHODS: Serial analysis of gene expression (SAGE) was performed on postnatal day (PN)9 and adult mouse (6 week) total corneas. The expression of selected genes was analyzed by in situ hybridization. RESULTS: A total of 64,272 PN9 and 62,206 adult tags were sequenced. Mouse corneal transcriptomes are composed of at least 19,544 and 18,509 unique mRNAs, respectively. One third of the unique tags were expressed at both stages, whereas a third was identified exclusively in PN9 or adult corneas. Three hundred thirty-four PN9 and 339 adult tags were enriched more than fivefold over other published nonocular libraries. Abundant transcripts were associated with metabolic functions, redox activities, and barrier integrity. Three members of the Ly-6/uPAR family whose functions are unknown in the cornea constitute more than 1% of the total mRNA. Aquaporin 5, epithelial membrane protein and glutathione-S-transferase (GST) omega-1, and GST alpha-4 mRNAs were preferentially expressed in distinct corneal epithelial layers, providing new markers for stratification. More than 200 tags were differentially expressed, of which 25 mediate transcription. CONCLUSIONS: In addition to providing a detailed profile of expressed genes in the PN9 and mature mouse cornea, the present SAGE data demonstrate dynamic changes in gene expression after eye opening and provide new probes for exploring corneal epithelial cell stratification, development, and function and for exploring the intricate relationship between programmed and environmentally induced gene expression in the cornea. Keywords: other
2004-01-02 | GSE887 | GEO
Project description:The exclusive expression of single sensory receptors in individual neurons (the ‘one-neuron-one receptor’ rule) is essential for vision and other sensory systems. Here, we show that the transcriptional corepressor Samd7 enforces this rule in vertebrate red cones and acts in other photoreceptor types to maintain cell identity. In the zebrafish samd7-/- retina, red cones are transformed to hybrid red/UV-sensitive cones, green cones are transfated to blue cones, and the number of rods is greatly reduced. In the mouse Samd7-/- retina, dorsal M-cones are transformed to hybrid M/S-cones—analogous to the transformation of red to red/UV cones that occurs in zebrafish—and rods aberrantly express cone genes including S-opsin. Altogether, Samd7 acts to repress short-wavelength cone gene expression in long-wavelength-sensitive cones, thereby sustaining the mutually exclusive patterns of opsin expression and cone identity required for color vision.
2024-06-21 | GSE249755 | GEO
Project description:The exclusive expression of single sensory receptors in individual neurons (the ‘one-neuron-one receptor’ rule) is essential for vision and other sensory systems. Here, we show that the transcriptional corepressor Samd7 enforces this rule in vertebrate red cones and acts in other photoreceptor types to maintain cell identity. In the zebrafish samd7-/- retina, red cones are transformed to hybrid red/UV-sensitive cones, green cones are transfated to blue cones, and the number of rods is greatly reduced. In the mouse Samd7-/- retina, dorsal M-cones are transformed to hybrid M/S-cones—analogous to the transformation of red to red/UV cones that occurs in zebrafish—and rods aberrantly express cone genes including S-opsin. Altogether, Samd7 acts to repress short-wavelength cone gene expression in long-wavelength-sensitive cones, thereby sustaining the mutually exclusive patterns of opsin expression and cone identity required for color vision.
2024-06-21 | GSE249754 | GEO
Project description:The exclusive expression of single sensory receptors in individual neurons (the ‘one-neuron-one receptor’ rule) is essential for vision and other sensory systems. Here, we show that the transcriptional corepressor Samd7 enforces this rule in vertebrate red cones and acts in other photoreceptor types to maintain cell identity. In the zebrafish samd7-/- retina, red cones are transformed to hybrid red/UV-sensitive cones, green cones are transfated to blue cones, and the number of rods is greatly reduced. In the mouse Samd7-/- retina, dorsal M-cones are transformed to hybrid M/S-cones—analogous to the transformation of red to red/UV cones that occurs in zebrafish—and rods aberrantly express cone genes including S-opsin. Altogether, Samd7 acts to repress short-wavelength cone gene expression in long-wavelength-sensitive cones, thereby sustaining the mutually exclusive patterns of opsin expression and cone identity required for color vision.
2024-06-21 | GSE249751 | GEO
Project description:The exclusive expression of single sensory receptors in individual neurons (the ‘one-neuron-one receptor’ rule) is essential for vision and other sensory systems. Here, we show that the transcriptional corepressor Samd7 enforces this rule in vertebrate red cones and acts in other photoreceptor types to maintain cell identity. In the zebrafish samd7-/- retina, red cones are transformed to hybrid red/UV-sensitive cones, green cones are transfated to blue cones, and the number of rods is greatly reduced. In the mouse Samd7-/- retina, dorsal M-cones are transformed to hybrid M/S-cones—analogous to the transformation of red to red/UV cones that occurs in zebrafish—and rods aberrantly express cone genes including S-opsin. Altogether, Samd7 acts to repress short-wavelength cone gene expression in long-wavelength-sensitive cones, thereby sustaining the mutually exclusive patterns of opsin expression and cone identity required for color vision.
2024-06-21 | GSE269667 | GEO