Gallus gallus
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ABSTRACT:
PROVIDER: PRJNA239321 | ENA |
REPOSITORIES: ENA
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Project description:The aim of the present study was to investigated the difference of Nrf2-regulated genes in livers between normal and heat-stressed chickens. The CUT&Tag and high-throughput sequencing technologies were used in this experiment. Results showed that 13171838- 15417444 clean reads were obtained in this study. These data suggested that there were many Nrf2- regulated genes in the liver of heat-stressed chicken.
2020-09-10 | GSE157728 | GEO
Project description:By using a 44k chicken Agilent microarray, we systematically analyzed the chicken hypothalamus transcriptome response to thermal stress. Twelve hypothalamus samples were chosen from three groups (four samples per group) to be used in chicken genome microarray to examine differential gene expression.We compared the expression profiles between each pairs of the three groups using the microarray data. Totally, 2474 genes were found to be differentially expressed in the three comparisons with pM-oM-<M-^\0.05 and fold change (FC) higher than 1.5 and the genes were mainly involved in self-regulation and compensation required to maintain homeostasis, including heat shock protein family, enzyme and the hormone, neurotransmitter, cell-cell signaling, metabolism and cytokines. The transcripts of heat shock protein including Hsp 40 and Hsp 90 were significantly changed respond to thermal stress and genes involved in regulation of cell morphogenesis were significantly upregulated in heat stressed group with comparison to control and temperature recovery group. Additionally, the down-regulated genes in both heat stress and temperature recovery groups compared to control group were enriched in muscle organ development, striated muscle tissue development, cardiac muscle tissue development and muscle tissue development, which indicates that muscle development was inhibited during and in short-term after heat treatment. Most of genes dysregulated in heat stress group were found to be recovered in temperature recovery group, which confirmed their roles they could play in coping with heat stress. The present study provides a broader understanding of molecular mechanisms underlying the stress response in chicken and discovery of novel genes that are regulated in a thermal stress specific manner. Hypothalamus samples were collected from non-heat treated group (reared at 25C, used as control), 24h 34C treated group (heat stress treated group) and temperature recovery group (25C for 24h followed heat stress).
2012-10-01 | E-GEOD-37400 | biostudies-arrayexpress
Project description:By using a 44k chicken Agilent microarray, we systematically analyzed the chicken hypothalamus transcriptome response to thermal stress. Twelve hypothalamus samples were chosen from three groups (four samples per group) to be used in chicken genome microarray to examine differential gene expression.We compared the expression profiles between each pairs of the three groups using the microarray data. Totally, 2474 genes were found to be differentially expressed in the three comparisons with p＜0.05 and fold change (FC) higher than 1.5 and the genes were mainly involved in self-regulation and compensation required to maintain homeostasis, including heat shock protein family, enzyme and the hormone, neurotransmitter, cell-cell signaling, metabolism and cytokines. The transcripts of heat shock protein including Hsp 40 and Hsp 90 were significantly changed respond to thermal stress and genes involved in regulation of cell morphogenesis were significantly upregulated in heat stressed group with comparison to control and temperature recovery group. Additionally, the down-regulated genes in both heat stress and temperature recovery groups compared to control group were enriched in muscle organ development, striated muscle tissue development, cardiac muscle tissue development and muscle tissue development, which indicates that muscle development was inhibited during and in short-term after heat treatment. Most of genes dysregulated in heat stress group were found to be recovered in temperature recovery group, which confirmed their roles they could play in coping with heat stress. The present study provides a broader understanding of molecular mechanisms underlying the stress response in chicken and discovery of novel genes that are regulated in a thermal stress specific manner.
2012-10-01 | GSE37400 | GEO
Project description:Background: Heat stress triggers an evolutionarily conserved set of responses in cells. The transcriptome responds to hyperthermia by altering expression of genes to adapt the cell or organism to survive the heat challenge. RNA-seq technology allows rapid identification of environmentally responsive genes on a large scale. In this study, we have used RNA -seq to identify heat stress responsive genes in the chicken male white-leghorn hepat ocellular (LMH) cell line. Result: The transcripts of 812 genes were responsive to heat stress (p <0.01) with 235 genes up- regulated and 577 down-regulated following 2.5 hours of heat stress. Among the up- regulated were genes whose products function as chaperones, along with genes aff ecting collagen synthesis and deposition, transcription factors, chromatin remodelers and genes modulating the WNT and TGF-beta pathways. Predominant among the down-regulated genes were ones that affect DNA replication and repair along with chromosom al segregation. Many of the genes identified in this study have not been previously implicated in the heat stress response. Conclusion: These data extend our understanding of the transcriptome response to heat stress. Many of the identified biological processes and pathways likely function in adapting cells and organisms to hyperthermic stress. This study may provide important guides to future efforts attempting to improve species abilities to withstand heat stress through genome wide association studies and breeding. In addition, the genes down regulated by heat stress may provide important targets for improving hyperthemic treatment in cancer patients. Cells were grown at either control ( 37oC) or heat stress (43oC) temperatures for 2.5 hours.
2015-02-24 | E-GEOD-55321 | biostudies-arrayexpress