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Rattus norvegicus

ABSTRACT: G9a is essential for epigenetic silencing of K+ channel genes in acute-to-chronic pain transition

PROVIDER: PRJNA254183 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR1505400.fastq.gz	Fastqsanger.gz
	SRR1505401.fastq.gz	Fastqsanger.gz
	SRR1505402.fastq.gz	Fastqsanger.gz
	SRR1505393.fastq.gz	Fastqsanger.gz
	SRR1505403.fastq.gz	Fastqsanger.gz

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Project description:Ongoing nociceptive inputs from peripheral tissues and nerve injuries lead to maladaptive alterations in central nervous system, which drive the transition from acute to chronic pain. Although astrocytes act as dynamic and active players in neuropathic pain states, the contribution of astrocytes in upper brain nucleus in this process remains unclear. Here, we revealed that prolonged neuronal inputs induced by periphery injury leads to astrocyte reactive and downregulation of inward rectifying potassium channel protein 4.1 (Kir4.1) in paraventricular thalamus（PVT）. In turn, reactive PVT astrocytes could maintain the hyperexcitability of neurons, and enhanced projections from PVT to medial prefrontal cortex (mPFC) in the chronicity of neuropathic pain. Notably, we identify a neuro-glial interaction mediating pain chronification in PVT, and clarified Kir4.1 channels as a potential therapeutic target for neuropathic pain treatment.

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A transcriptome data set for comparing skin, muscle and DRG between acute and chronic postsurgical pain rats.

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The social life of Norway rats (Rattus norvegicus).

Project description:The Norway rat has important impacts on our life. They are amongst the most used research subjects, resulting in ground-breaking advances. At the same time, wild rats live in close association with us, leading to various adverse interactions. In face of this relevance, it is surprising how little is known about their natural behaviour. While recent laboratory studies revealed their complex social skills, little is known about their social behaviour in the wild. An integration of these different scientific approaches is crucial to understand their social life, which will enable us to design more valid research paradigms, develop more effective management strategies, and to provide better welfare standards. Hence, I first summarise the literature on their natural social behaviour. Second, I provide an overview of recent developments concerning their social cognition. Third, I illustrate why an integration of these areas would be beneficial to optimise our interactions with them.

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Project description:BackgroundMurine kobuviruses (MuKV) are newly recognized picornaviruses first detected in murine rodents in the USA in 2011. Little information on MuKV epidemiology in murine rodents is available. Therefore, we conducted a survey of the prevalence and genomic characteristics of rat kobuvirus in Guangdong, China.ResultsFecal samples from 223 rats (Rattus norvegicus) were collected from Guangdong and kobuviruses were detected in 12.6% (28) of samples. Phylogenetic analysis based on partial 3D and complete VP1 sequence regions showed that rat kobuvirus obtained in this study were genetically closely related to those of rat/mouse kobuvirus reported in other geographical areas. Two near full-length rat kobuvirus genomes (MM33, GZ85) were acquired and phylogenetic analysis of these revealed that they shared very high nucleotide/amino acids identity with one another (95.4%/99.4%) and a sewage-derived sequence (86.9%/93.5% and 87.5%/93.7%, respectively). Comparison with original Aichivirus A strains, such human kobuvirus, revealed amino acid identity values of approximately 80%.ConclusionOur findings indicate that rat kobuvirus have distinctive genetic characteristics from other Aichivirus A viruses. Additionally, rat kobuvirus may spread via sewage.

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