Shaoqi Xu
Sichuan Agricultural University
GeneMessenger RNANeuropeptideInternal medicineEndocrinologyElongation factorNutrientPhosphoenolpyruvate carboxykinaseGene expressionMolecular biologyTranscriptomeEndogenyReceptorComplementary DNAPolyunsaturated fatty acidAdipokineEnergy homeostasisEicosapentaenoic acidHypothalamusDocosahexaenoic acidCartAnorecticSauvagineCholecystokininUrocortinSturgeonPostprandialTXNIPReference genesApelinSDHAResistinGastrointestinal tractLeptinAmylinLorglumideFish <Actinopterygii>Acipenser dabryanusAcipenser baeriiYangtze riverCrf mrnaPlatelet activationCholecystokinin receptorEndocrine systemOpen reading frame18S ribosomal RNAReal-time polymerase chain reactionFatty acidBinding proteinBiochemistryHomologous chromosomeFactor systemHormoneAppetiteBiologyMechanism (biology)PhylogeneticsZoology
10Publications
4H-index
22Citations
Publications 11
Newest
#1Mei Wang (Sichuan Agricultural University)H-Index: 4
#2Shaoqi Xu (Sichuan Agricultural University)H-Index: 4
Last. Xin Zhang (Sichuan Agricultural University)H-Index: 7
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Abstract null null Amylin is a 37-amino acid polypeptide that has been found to be involved in feeding regulation in some mammals, birds, and goldfish. We cloned amylin of Siberian sturgeon and detected its distribution pattern in 15 tissues. The expression levels in the periprandial period (pre-and post-feeding), the changes in the food intake, and the expression levels of related appetite factors after the intraperitoneal injection of amylin were detected. The expression of amylin was found to...
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#1Chen Hu (Sichuan Agricultural University)H-Index: 1
#2Mei Wang (Sichuan Agricultural University)H-Index: 4
Last. Zhiqiong Li (Sichuan Agricultural University)H-Index: 15
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Abstract To better apply qRT-PCR in nutrition research, this study screened the reference genes (RGs) of the Yangtze sturgeon (Acipenser dabryanus) using the transcriptome. The results revealed that transcriptome sequencing of the liver, anterior gut (esophagus, cardia stomach, pyloric stomach), and posterior gut (pyloric caecum, duodenum, valvular gut, rectum) identified 179,199 unigenes with an N50 of 1747 bp and average length of 1127 bp. In the transcriptome, 19 unigenes with coefficients of...
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#1Mei WangH-Index: 4
#2Shaoqi XuH-Index: 4
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#1Chen Hu (Sichuan Agricultural University)H-Index: 1
#2Bin Wang (Sichuan Agricultural University)H-Index: 5
Last. Zhiqiong Li (Sichuan Agricultural University)H-Index: 15
view all 13 authors...
Abstract Leptin is an important energy homeostasis hormone in mammals. However, the role of leptin in energy balance of fish remains controversial. In this study, we characterized Yangtze sturgeon (Acipenser dabryanus) leptin (Adleptin) with a full-length 507 bp coding sequence (CDS) encoding 168 amino acids (aa) and we used phylogenetic analysis to identify it as leptin A. The tissue expression profiles suggested that Adleptin is widely expressed in various types of tissues, mainly in the liver...
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#1Zhengzhi Tian (Sichuan Agricultural University)H-Index: 5
#2Shaoqi Xu (Sichuan Agricultural University)H-Index: 4
Last. Zhiqiong Li (Sichuan Agricultural University)H-Index: 15
view all 9 authors...
Spexin (Spx), an endogenous peptide, is considered to be a neuropeptide. In a few fish and mammals, it has been proved to play a role in the regulation of animal feeding. However, the possible mechanisms of spexin regulating food intake are mostly blurry in vertebrates including Siberian sturgeon. In this study, firstly, the coding sequence of spexin cDNA was cloned and sequenced in Siberian sturgeon. Then, we detected that spexin mRNA was widely expressed in the hypothalamus, gastrointestinal t...
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#1Jinwen Qi (Sichuan Agricultural University)H-Index: 6
#2Shaoqi Xu (Sichuan Agricultural University)H-Index: 4
Last. Zhiqiong Li (Sichuan Agricultural University)H-Index: 15
view all 13 authors...
CRF system, structural conservation, has an association with feeding regulation in mammals. However, mammals and fish have different physiological mechanisms, the potential role of CRF system for feeding regulation in teleost fish are most unknown. To better explore possible feeding mechanisms of CRF system in Acipenser dabryanus, the gene expression patterns of CRF system have been investigated after different energy status. CRF and two receptors have been studied in Acipenser dabryanus in prev...
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#1Ni Tang (Sichuan Agricultural University)H-Index: 6
#2Yanlin Liu (Sichuan Agricultural University)
Last. Zhiqiong Li (Sichuan Agricultural University)H-Index: 15
view all 13 authors...
: Resistin as an adipokine identified from rodents in 2001 is involved in many biological process. However, little is known about this gene in fish. We cloned Siberian sturgeon (Acipenser baerii) resistin cDNA of 795 base pairs, encoding 107 amino acids, which showed 38%-40% identity to human and rodents. Real-time quantitative PCR showed that resistin gene was widely distributed in tissues of Siberian sturgeon, with the highest expression in liver. After fasting for 1, 3, 6 and 10 days, the exp...
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#1Jinwen QiH-Index: 6
#2Xin Zhang (Sichuan Agricultural University)H-Index: 4
Last. Zhiqiong Li (Sichuan Agricultural University)H-Index: 15
view all 12 authors...
Abstract CRF system is comprised of 4 homologous lineaes, 2 main receptors (CRF-R1 and CRF-R2), and a binding protein CRF-BP. The homologous lineaes are corticotropin-releasing factor (CRF), urotensin I (UI) / sauvagine (SVG) / urocortin 1 (UCN1), urocortin 2 (UCN2), and urocortin 3 (UCN3), and UI, SVG, UCN1 are orthologous genes. CRF system genes are widely distributed in the brain and gastrointestinal tract, which may relate to feeding regulation. According the research progress about CRF syst...
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#1Hu Chen (Sichuan Agricultural University)H-Index: 12
#2Bin Wang (Sichuan Agricultural University)H-Index: 5
Last. Zhiqiong Li (Sichuan Agricultural University)H-Index: 15
view all 13 authors...
Abstract The poor understanding of nutrition needed has become a significant obstruction to artificial conservation of Yangtze sturgeon (Acipenser dabryanus) and the relationship between ployunsaturated fatty acid nutrition and the immune response of Yangtze sturgeon is remains unclear. To explore this relationship, the immune response was determined by the activities of serum immune-related enzymes and the transcriptome pattern in the spleen after feeding different fat source diets for 7 weeks....
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#1Jinwen Qi (Sichuan Agricultural University)H-Index: 6
#2Ni Tang (Sichuan Agricultural University)H-Index: 6
Last. Zhiqiong Li (Sichuan Agricultural University)H-Index: 15
view all 12 authors...
Abstract Dabry’s sturgeon (Acipenser dabryanus Dumeril, 1868) belongs to Sturgeon and is distributed throughout the mainstream of the upper Yangtze River. While there is little research on physiological mechanism of Dabry’s sturgeon, such as feeding regulation by the CRF system. At present, CRF is thought to regulate feeding via CRF receptors (CRF-Rs) in several mammals, but relatively few studies of CRF and feeding exist in teleosts. Herein, the transcripts of CRF and CRF-Rs under fasting stres...
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