Isolation and characterization of visceral excitatory neuropeptides from striped mullet (Mugil cephalus L.) brain.

Senaratne LS; Mendis E; Kim SK

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Isolation and characterization of visceral excitatory neuropeptides from striped mullet (Mugil cephalus L.) brain.

机译：striped鱼（Mugil cephalus L.）大脑内脏兴奋性神经肽的分离和鉴定。

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From a brain extract of the catadromous fish, striped mullet (Mugil cephalus), two visceral excitatory neuropeptides (Mvp-1 and Mvp-2) were isolated by means of reversed phase chromatography together with bioassay on fish hindgut. The primary structure of Mvp-1 was elucidated to be SGPAGVLamide by ESI-Q-TOF mass spectrometry. The threshold concentration of Mvp-1 that changes spontaneous contraction of mullet hindgut was between 10(-9) and 10(-8) M. In addition, Mvp-1 was found to exert excitatory activities on some other smooth muscle segments (oviduct and esophagus) of mullet but it did not show any effect on body wall muscle strips. Therefore, the present study suggests that Mvp-1 and Mvp-2 peptides act as factors that control visceral contractions of mullet gastrointestinal tract.

机译：通过反相层析和鱼后肠的生物测定，从鱼的脑提取物中提取了striped鱼（Mugil cephalus）中的两个内脏兴奋性神经肽（Mvp-1和Mvp-2）。通过ESI-Q-TOF质谱法将Mvp-1的一级结构阐明为SGPAGVLamide。改变鱼后肠自发收缩的Mvp-1的阈值浓度在10（-9）和10（-8）M之间。此外，还发现Mvp-1在其他一些平滑肌节段（输卵管和食管）鱼，但对体壁肌肉条没有任何影响。因此，本研究表明，Mvp-1和Mvp-2肽是控制鱼胃肠道内脏收缩的因素。

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《Life sciences》 |2006年第18期|共8页
作者
Senaratne LS; Mendis E; Kim SK;
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正文语种 eng
中图分类基础医学;
关键词
Mugil cephalus; Neuropeptides; Brain; L; Need for isolation; 神经肽类; 脑;

机译：Mugil cephalus;Neuropeptides;Brain;L;Need for isolation;神经肽类;脑;

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1. Isolation and characterization of visceral excitatory neuropeptides from striped mullet (Mugil cephalus L.) brain. [J] . Senaratne LS, Mendis E, Kim SK Life sciences . 2006,第18期

机译：striped鱼（Mugil cephalus L.）大脑内脏兴奋性神经肽的分离和鉴定。
2. Seasonal variability of metallothioneins, cytochrome P450, Bile metabolites and oxyradical metabolism in the European eel Anguilla anguilla L. (Anguillidae) and striped mullet Mugil cephalus L. (Mugilidae). [J] . Gorbi S, Baldini C, Regoli F Archives of Environmental Contamination and Toxicology . 2005,第1期

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4. ASSESSMENT OF GEOGRAPHIC DIFFERENTIATION AND GENETIC VARIABILITY OF THE GREY MULLET, MUGIL CEPHALUS, IN THE TYRRHENIAN SEA (MEDITERRANEAN) THROUGH THE ANALYSIS OF MITOCHONDRIAL CONTROL REGION SEQUENCE [C] . S. Livi, D. Crosetti International Conference of the European Aquaculture Society . 2004

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6. Isolation and characterization of an activator protein for the hydrolysis of ganglioside GM2 from the roe of striped mullet (Mugil cephalus). [O] . R DeGasperi, Y T Li, S C Li 1989

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7. Isolation and characterization of an activator protein for the hydrolysis of ganglioside GM2 from the roe of striped mullet (Mugil cephalus). [O] . DeGasperi, R, Li, Y T, Li, S C 1989

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8. Annual Cycle of Blood Chemistry Parameters in Striped Mullet ('Mugil cephalus'L.) and Pinfish ('Lagodon rhomboides' L.) from the Gulf of Mexico [R] . Folmar, L. C., Moody, T., Bonomelli, S., 1992

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Isolation and characterization of visceral excitatory neuropeptides from striped mullet (Mugil cephalus L.) brain.

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