Metabolic Labeling to Quantify Drosophila Neuropeptides and Peptide Hormones.

Metabolic Labeling to Quantify Drosophila Neuropeptides and Peptide Hormones.
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量化果蝇神经肽和肽激素的代谢标记

DOI:
10.1007/978-1-4939-7537-2_11
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发表时间:
2018
影响因子:
--
通讯作者:
Wegener C
Wegener C
中科院分区:
--
文献类型:
--
作者:
Kunz TO;Chen J;Wegener C

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神经肽和肽激素参与大多数(如果不是全部)身体功能的调节,从生理到神经元处理和行为控制。为了评估它们的功能,确定它们的生产、储存和释放的时间和数量通常至关重要。后者在小昆虫中尤其难以评估,例如遗传上顺从的果蝇果蝇,并且不能仅通过量化 mRNA 转录本来实现。我们采用并优化了方法,通过代谢标记和 LC-MS 来量化神经肽和肽激素。在本章中,我们描述了我们实验室使用的标签协议,并讨论了我们遇到的问题和陷阱。
Neuropeptides and peptide hormones are involved in the regulation of most if not all body functions, ranging from physiology to neuronal processing and the control of behavior. To assess their functions, it is often vital to determine when and in which quantities they are produced, stored, and released. The latter is especially difficult to assess in small insects, such as the genetically amenable fruit flyDrosophila melanogaster, and cannot be achieved merely by quantifying mRNA transcripts. We have adapted and optimized methods to quantify neuropeptides and peptide hormones by metabolic labeling followed by LC-MS. In this chapter, we describe the labeling protocols used in our laboratory and discuss problems and pitfalls that we encountered.
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