Intraperitoneal injection urocortin-3 reduces the food intake of Siberian sturgeon (Acipenser baerii).
Identifieur interne : 000739 ( Ncbi/Curation ); précédent : 000738; suivant : 000740Intraperitoneal injection urocortin-3 reduces the food intake of Siberian sturgeon (Acipenser baerii).
Auteurs : Xin Zhang [République populaire de Chine] ; Yuanbing Wu [République populaire de Chine] ; Jin Hao [République populaire de Chine] ; Jieyao Zhu [République populaire de Chine] ; Ni Tang [République populaire de Chine] ; Jinwen Qi [République populaire de Chine] ; Shuyao Wang [République populaire de Chine] ; Hong Wang [République populaire de Chine] ; Shuang Peng [République populaire de Chine] ; Ju Liu [République populaire de Chine] ; Yundi Gao [République populaire de Chine] ; Defang Chen [République populaire de Chine] ; Zhiqiong Li [République populaire de Chine]Source :
- Peptides [ 1873-5169 ] ; 2016.
Abstract
Urocortin-3 (UCN3), one of the corticotropin releasing factor (CRF) family peptides, which was discovered in 2001, has a variety of biological functions. However, the researches of UCN3 in fish were scarce. In order to understand whether UCN3 play a role in regulating food intake in fish, we first cloned the ucn3 cDNAs sequence of Siberian sturgeon (Acipenser baerii Brandt), and investigated the ucn3 mRNA levels in 11 tissues. The Siberian sturgeon ucn3 cDNA sequence was 1044bp, including an open reading frame (ORF) of 447bp that encoded 148 amino acids with a mature peptide of 40 amino acids, a 5'-terminal untranslated region (5'-UTR) of 162bp and a 3'-terminal untranslated region (3'-UTR) of 435bp. The result of tissue distribution showed that ucn3 widely distributed in 11 tissues with highest expression in brain. We also assessed the effects of periprandial (pre- and post-feeding), fasting and re-feeding on ucn3 mRNAs abundance in brain. The results showed the expression of ucn3 mRNA in brain was significantly elevated after feeding, decreased after fasting 17 days and increased after re-feeding. To further investigate the food intake role of UCN3 in Siberian sturgeon, we performed intraperitoneal (i.p.) injection of Siberian sturgeon UCN3 (SsUCN3) with three doses (60, 120 or 240ng/g) and recorded the food intake. Acute and chronic i.p. injection SsUCN3 reduced the food intake in a dose-dependent pattern. In conclusion, this study indicates that SsUCN3 acts as a satiety factor to inhibit the food intake of Siberian sturgeon.
DOI: 10.1016/j.peptides.2016.09.007
PubMed: 27667703
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first="Yuanbing" last="Wu">Yuanbing Wu</name><affiliation wicri:level="1"><nlm:affiliation>Department of Aquaculture, College of Animal Science and Technology, Sichuan Agricultural University, 211# Huimin Road, Chengdu, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Department of Aquaculture, College of Animal Science and Technology, Sichuan Agricultural University, 211# Huimin Road, Chengdu</wicri:regionArea><wicri:noRegion>Chengdu</wicri:noRegion></affiliation></author><author><name sortKey="Hao, Jin" sort="Hao, Jin" uniqKey="Hao J" first="Jin" last="Hao">Jin Hao</name><affiliation wicri:level="1"><nlm:affiliation>Department of Aquaculture, College of Animal Science and Technology, Sichuan Agricultural University, 211# Huimin Road, Chengdu, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Department of Aquaculture, College of Animal Science and Technology, Sichuan Agricultural University, 211# Huimin Road, Chengdu</wicri:regionArea><wicri:noRegion>Chengdu</wicri:noRegion></affiliation></author><author><name sortKey="Zhu, Jieyao" sort="Zhu, Jieyao" uniqKey="Zhu J" first="Jieyao" last="Zhu">Jieyao Zhu</name><affiliation wicri:level="1"><nlm:affiliation>Department of Aquaculture, College of Animal Science and Technology, Sichuan Agricultural University, 211# Huimin Road, Chengdu, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Department of Aquaculture, College of Animal Science and Technology, Sichuan Agricultural University, 211# Huimin Road, Chengdu</wicri:regionArea><wicri:noRegion>Chengdu</wicri:noRegion></affiliation></author><author><name sortKey="Tang, Ni" sort="Tang, Ni" uniqKey="Tang N" first="Ni" last="Tang">Ni Tang</name><affiliation wicri:level="1"><nlm:affiliation>Department of Aquaculture, College of Animal Science and Technology, Sichuan Agricultural University, 211# Huimin Road, Chengdu, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Department of Aquaculture, College of Animal Science and Technology, Sichuan Agricultural University, 211# Huimin Road, Chengdu</wicri:regionArea><wicri:noRegion>Chengdu</wicri:noRegion></affiliation></author><author><name sortKey="Qi, Jinwen" sort="Qi, Jinwen" uniqKey="Qi J" first="Jinwen" last="Qi">Jinwen Qi</name><affiliation wicri:level="1"><nlm:affiliation>Department of Aquaculture, College of Animal Science and Technology, Sichuan Agricultural University, 211# Huimin Road, Chengdu, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Department of Aquaculture, College of Animal Science and Technology, Sichuan Agricultural University, 211# Huimin Road, Chengdu</wicri:regionArea><wicri:noRegion>Chengdu</wicri:noRegion></affiliation></author><author><name sortKey="Wang, Shuyao" sort="Wang, Shuyao" uniqKey="Wang S" first="Shuyao" last="Wang">Shuyao Wang</name><affiliation wicri:level="1"><nlm:affiliation>Department of Aquaculture, College of Animal Science and Technology, Sichuan Agricultural University, 211# Huimin Road, Chengdu, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Department of Aquaculture, College of Animal Science and Technology, Sichuan Agricultural University, 211# Huimin Road, Chengdu</wicri:regionArea><wicri:noRegion>Chengdu</wicri:noRegion></affiliation></author><author><name sortKey="Wang, Hong" sort="Wang, Hong" uniqKey="Wang H" first="Hong" last="Wang">Hong Wang</name><affiliation wicri:level="1"><nlm:affiliation>Department of Aquaculture, College of Animal Science and Technology, Sichuan Agricultural University, 211# Huimin Road, Chengdu, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Department of Aquaculture, College of Animal Science and Technology, Sichuan Agricultural University, 211# Huimin Road, Chengdu</wicri:regionArea><wicri:noRegion>Chengdu</wicri:noRegion></affiliation></author><author><name sortKey="Peng, Shuang" sort="Peng, Shuang" uniqKey="Peng S" first="Shuang" last="Peng">Shuang Peng</name><affiliation wicri:level="1"><nlm:affiliation>Department of Aquaculture, College of Animal Science and Technology, Sichuan Agricultural University, 211# Huimin Road, Chengdu, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Department of Aquaculture, College of Animal Science and Technology, Sichuan Agricultural University, 211# Huimin Road, Chengdu</wicri:regionArea><wicri:noRegion>Chengdu</wicri:noRegion></affiliation></author><author><name sortKey="Liu, Ju" sort="Liu, Ju" uniqKey="Liu J" first="Ju" last="Liu">Ju Liu</name><affiliation wicri:level="1"><nlm:affiliation>Department of Aquaculture, College of Animal Science and Technology, Sichuan Agricultural University, 211# Huimin Road, Chengdu, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Department of Aquaculture, College of Animal Science and Technology, Sichuan Agricultural University, 211# Huimin Road, Chengdu</wicri:regionArea><wicri:noRegion>Chengdu</wicri:noRegion></affiliation></author><author><name sortKey="Gao, Yundi" sort="Gao, Yundi" uniqKey="Gao Y" first="Yundi" last="Gao">Yundi Gao</name><affiliation wicri:level="1"><nlm:affiliation>Department of Aquaculture, College of Animal Science and Technology, Sichuan Agricultural University, 211# Huimin Road, Chengdu, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Department of Aquaculture, College of Animal Science and Technology, Sichuan Agricultural University, 211# Huimin Road, Chengdu</wicri:regionArea><wicri:noRegion>Chengdu</wicri:noRegion></affiliation></author><author><name sortKey="Chen, Defang" sort="Chen, Defang" uniqKey="Chen D" first="Defang" last="Chen">Defang Chen</name><affiliation wicri:level="1"><nlm:affiliation>Department of Aquaculture, College of Animal Science and Technology, Sichuan Agricultural University, 211# Huimin Road, Chengdu, China.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Department of Aquaculture, College of Animal Science and Technology, Sichuan Agricultural University, 211# Huimin Road, Chengdu</wicri:regionArea><wicri:noRegion>Chengdu</wicri:noRegion></affiliation></author><author><name sortKey="Li, Zhiqiong" sort="Li, Zhiqiong" uniqKey="Li Z" first="Zhiqiong" last="Li">Zhiqiong Li</name><affiliation wicri:level="1"><nlm:affiliation>Department of Aquaculture, College of Animal Science and Technology, Sichuan Agricultural University, 211# Huimin Road, Chengdu, China. Electronic address: lizhiqiong454@163.com.</nlm:affiliation><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>Department of Aquaculture, College of Animal Science and Technology, Sichuan Agricultural University, 211# Huimin Road, Chengdu</wicri:regionArea><wicri:noRegion>Chengdu</wicri:noRegion></affiliation></author></analytic><series><title level="j">Peptides</title><idno type="eISSN">1873-5169</idno><imprint><date when="2016" type="published">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Urocortin-3 (UCN3), one of the corticotropin releasing factor (CRF) family peptides, which was discovered in 2001, has a variety of biological functions. However, the researches of UCN3 in fish were scarce. In order to understand whether UCN3 play a role in regulating food intake in fish, we first cloned the ucn3 cDNAs sequence of Siberian sturgeon (Acipenser baerii Brandt), and investigated the ucn3 mRNA levels in 11 tissues. The Siberian sturgeon ucn3 cDNA sequence was 1044bp, including an open reading frame (ORF) of 447bp that encoded 148 amino acids with a mature peptide of 40 amino acids, a 5'-terminal untranslated region (5'-UTR) of 162bp and a 3'-terminal untranslated region (3'-UTR) of 435bp. The result of tissue distribution showed that ucn3 widely distributed in 11 tissues with highest expression in brain. We also assessed the effects of periprandial (pre- and post-feeding), fasting and re-feeding on ucn3 mRNAs abundance in brain. The results showed the expression of ucn3 mRNA in brain was significantly elevated after feeding, decreased after fasting 17 days and increased after re-feeding. To further investigate the food intake role of UCN3 in Siberian sturgeon, we performed intraperitoneal (i.p.) injection of Siberian sturgeon UCN3 (SsUCN3) with three doses (60, 120 or 240ng/g) and recorded the food intake. Acute and chronic i.p. injection SsUCN3 reduced the food intake in a dose-dependent pattern. In conclusion, this study indicates that SsUCN3 acts as a satiety factor to inhibit the food intake of Siberian sturgeon.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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